mirror of
https://github.com/OMGeeky/hcsalmon1-Chess-Engine-Test.git
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3443 lines
113 KiB
Python
3443 lines
113 KiB
Python
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import time
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#import warnings
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#warnings.filterwarnings("ignore", category=RuntimeWarning, message="overflow encountered in scalar multiply")
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#region Constants
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WP = 0
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WN = 1
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WB = 2
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WR = 3
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WQ = 4
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WK = 5
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BP = 6
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BN = 7
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BB = 8
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BR = 9
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BQ = 10
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BK = 11
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EMPTY = 12
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A8 = 0
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B8 = 1
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C8 = 2
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D8 = 3
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E8 = 4
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F8 = 5
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G8 = 6
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H8 = 7
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A7 = 8
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B7 = 9
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C7 = 10
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D7 = 11
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E7 = 12
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F7 = 13
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G7 = 14
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H7 = 15
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A6 = 16
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B6 = 17
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C6 = 18
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D6 = 19
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E6 = 20
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F6 = 21
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G6 = 22
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H6 = 23
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A5 = 24
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B5 = 25
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C5 = 26
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D5 = 27
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E5 = 28
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F5 = 29
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G5 = 30
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H5 = 31
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A4 = 32
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B4 = 33
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C4 = 34
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D4 = 35
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E4 = 36
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F4 = 37
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G4 = 38
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H4 = 39
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A3 = 40
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B3 = 41
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C3 = 42
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D3 = 43
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E3 = 44
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F3 = 45
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G3 = 46
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H3 = 47
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A2 = 48
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B2 = 49
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C2 = 50
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D2 = 51
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E2 = 52
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F2 = 53
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G2 = 54
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H2 = 55
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A1 = 56
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B1 = 57
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C1 = 58
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D1 = 59
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E1 = 60
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F1 = 61
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G1 = 62
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H1 = 63
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PINNED_SQUARE_INDEX = 0
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PINNING_PIECE_INDEX = 1
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TAG_NONE = 0
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TAG_CAPTURE = 1
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TAG_WHITEEP = 2
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TAG_BLACKEP = 3
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TAG_WCASTLEKS = 4
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TAG_WCASTLEQS = 5
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TAG_BCASTLEKS = 6
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TAG_BCASTLEQS = 7
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TAG_BKnightPromotion = 8
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TAG_BBishopPromotion = 9
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TAG_BQueenPromotion = 10
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TAG_BRookPromotion = 11
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TAG_WKnightPromotion = 12
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TAG_WBishopPromotion = 13
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TAG_WQueenPromotion = 14
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TAG_WRookPromotion = 15
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TAG_BCaptureKnightPromotion = 16
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TAG_BCaptureBishopPromotion = 17
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TAG_BCaptureQueenPromotion = 18
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TAG_BCaptureRookPromotion = 19
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TAG_WCaptureKnightPromotion = 20
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TAG_WCaptureBishopPromotion = 21
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TAG_WCaptureQueenPromotion = 22
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TAG_WCaptureRookPromotion = 23
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TAG_DoublePawnWhite = 24
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TAG_DoublePawnBlack = 25
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TAG_CHECK = 26
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TAG_CHECK_CAPTURE = 27
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WKS_CASTLE_RIGHTS = 0
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WQS_CASTLE_RIGHTS = 1
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BKS_CASTLE_RIGHTS = 2
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BQS_CASTLE_RIGHTS = 3
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WKS_EMPTY_BITBOARD = 6917529027641081856
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WQS_EMPTY_BITBOARD = 1008806316530991104
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BKS_EMPTY_BITBOARD = 96
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BQS_EMPTY_BITBOARD = 14
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MOVE_STARTING = 0
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MOVE_TARGET = 1
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MOVE_PIECE = 2
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MOVE_TAG = 3
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INBETWEEN_BITBOARDS = [
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[
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0, 2, 6, 14, 30, 62, 126, 254, 256, 512, 0, 0, 0, 0, 0, 0, 65792, 0, 262656, 0, 0, 0, 0, 0, 16843008, 0, 0, 134480384, 0, 0, 0, 0, 4311810304, 0, 0, 0, 68853957120, 0, 0, 0, 1103823438080, 0, 0, 0, 0, 35253226045952, 0, 0, 282578800148736, 0, 0, 0, 0, 0, 18049651735527936, 0, 72340172838076672, 0, 0, 0, 0, 0, 0, 9241421688590303744],
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[
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1, 0, 4, 12, 28, 60, 124, 252, 256, 512, 1024, 0, 0, 0, 0, 0, 0, 131584, 0, 525312, 0, 0, 0, 0, 0, 33686016, 0, 0, 268960768, 0, 0, 0, 0, 8623620608, 0, 0, 0, 137707914240, 0, 0, 0, 2207646876160, 0, 0, 0, 0, 70506452091904, 0, 0, 565157600297472, 0, 0, 0, 0, 0, 36099303471055872, 0, 144680345676153344, 0, 0, 0, 0, 0, 0],
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[
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3, 2, 0, 8, 24, 56, 120, 248, 0, 512, 1024, 2048, 0, 0, 0, 0, 66048, 0, 263168, 0, 1050624, 0, 0, 0, 0, 0, 67372032, 0, 0, 537921536, 0, 0, 0, 0, 17247241216, 0, 0, 0, 275415828480, 0, 0, 0, 4415293752320, 0, 0, 0, 0, 141012904183808, 0, 0, 1130315200594944, 0, 0, 0, 0, 0, 0, 0, 289360691352306688, 0, 0, 0, 0, 0],
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[
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7, 6, 4, 0, 16, 48, 112, 240, 0, 0, 1024, 2048, 4096, 0, 0, 0, 0, 132096, 0, 526336, 0, 2101248, 0, 0, 16909312, 0, 0, 134744064, 0, 0, 1075843072, 0, 0, 0, 0, 34494482432, 0, 0, 0, 550831656960, 0, 0, 0, 8830587504640, 0, 0, 0, 0, 0, 0, 0, 2260630401189888, 0, 0, 0, 0, 0, 0, 0, 578721382704613376, 0, 0, 0, 0],
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[
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15, 14, 12, 8, 0, 32, 96, 224, 0, 0, 0, 2048, 4096, 8192, 0, 0, 0, 0, 264192, 0, 1052672, 0, 4202496, 0, 0, 33818624, 0, 0, 269488128, 0, 0, 2151686144, 4328785920, 0, 0, 0, 68988964864, 0, 0, 0, 0, 0, 0, 0, 17661175009280, 0, 0, 0, 0, 0, 0, 0, 4521260802379776, 0, 0, 0, 0, 0, 0, 0, 1157442765409226752, 0, 0, 0],
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[
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31, 30, 28, 24, 16, 0, 64, 192, 0, 0, 0, 0, 4096, 8192, 16384, 0, 0, 0, 0, 528384, 0, 2105344, 0, 8404992, 0, 0, 67637248, 0, 0, 538976256, 0, 0, 0, 8657571840, 0, 0, 0, 137977929728, 0, 0, 1108169199616, 0, 0, 0, 0, 35322350018560, 0, 0, 0, 0, 0, 0, 0, 9042521604759552, 0, 0, 0, 0, 0, 0, 0, 2314885530818453504, 0, 0],
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[
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63, 62, 60, 56, 48, 32, 0, 128, 0, 0, 0, 0, 0, 8192, 16384, 32768, 0, 0, 0, 0, 1056768, 0, 4210688, 0, 0, 0, 0, 135274496, 0, 0, 1077952512, 0, 0, 0, 17315143680, 0, 0, 0, 275955859456, 0, 0, 2216338399232, 0, 0, 0, 0, 70644700037120, 0, 283691315109888, 0, 0, 0, 0, 0, 18085043209519104, 0, 0, 0, 0, 0, 0, 0, 4629771061636907008, 0],
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[
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127, 126, 124, 120, 112, 96, 64, 0, 0, 0, 0, 0, 0, 0, 16384, 32768, 0, 0, 0, 0, 0, 2113536, 0, 8421376, 0, 0, 0, 0, 270548992, 0, 0, 2155905024, 0, 0, 0, 34630287360, 0, 0, 0, 551911718912, 0, 0, 4432676798464, 0, 0, 0, 0, 141289400074240, 0, 567382630219776, 0, 0, 0, 0, 0, 36170086419038208, 72624976668147712, 0, 0, 0, 0, 0, 0, 9259542123273814016],
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[
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1, 2, 0, 0, 0, 0, 0, 0, 0, 512, 1536, 3584, 7680, 15872, 32256, 65024, 65536, 131072, 0, 0, 0, 0, 0, 0, 16842752, 0, 67239936, 0, 0, 0, 0, 0, 4311810048, 0, 0, 34426978304, 0, 0, 0, 0, 1103823437824, 0, 0, 0, 17626613022720, 0, 0, 0, 282578800148480, 0, 0, 0, 0, 9024825867763712, 0, 0, 72340172838076416, 0, 0, 0, 0, 0, 4620710844295151616, 0],
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[
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1, 2, 4, 0, 0, 0, 0, 0, 256, 0, 1024, 3072, 7168, 15360, 31744, 64512, 65536, 131072, 262144, 0, 0, 0, 0, 0, 0, 33685504, 0, 134479872, 0, 0, 0, 0, 0, 8623620096, 0, 0, 68853956608, 0, 0, 0, 0, 2207646875648, 0, 0, 0, 35253226045440, 0, 0, 0, 565157600296960, 0, 0, 0, 0, 18049651735527424, 0, 0, 144680345676152832, 0, 0, 0, 0, 0, 9241421688590303232],
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[
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0, 2, 4, 8, 0, 0, 0, 0, 768, 512, 0, 2048, 6144, 14336, 30720, 63488, 0, 131072, 262144, 524288, 0, 0, 0, 0, 16908288, 0, 67371008, 0, 268959744, 0, 0, 0, 0, 0, 17247240192, 0, 0, 137707913216, 0, 0, 0, 0, 4415293751296, 0, 0, 0, 70506452090880, 0, 0, 0, 1130315200593920, 0, 0, 0, 0, 36099303471054848, 0, 0, 289360691352305664, 0, 0, 0, 0, 0],
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[
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36099303471054849, 0, 4, 8, 16, 0, 0, 0, 1792, 1536, 1024, 0, 4096, 12288, 28672, 61440, 0, 0, 262144, 524288, 1048576, 0, 0, 0, 0, 33816576, 0, 134742016, 0, 537919488, 0, 0, 4328783872, 0, 0, 34494480384, 0, 0, 275415826432, 0, 0, 0, 0, 8830587502592, 0, 0, 0, 141012904181760, 0, 0, 0, 2260630401187840, 0, 0, 0, 0, 0, 0, 0, 578721382704611328, 0, 0, 0, 0],
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[
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0, 0, 0, 8, 16, 32, 0, 0, 3840, 3584, 3072, 2048, 0, 8192, 24576, 57344, 0, 0, 0, 524288, 1048576, 2097152, 0, 0, 0, 0, 67633152, 0, 269484032, 0, 1075838976, 0, 0, 8657567744, 0, 0, 68988960768, 0, 0, 550831652864, 1108169195520, 0, 0, 0, 17661175005184, 0, 0, 0, 0, 0, 0, 0, 4521260802375680, 0, 0, 0, 0, 0, 0, 0, 1157442765409222656, 0, 0, 0],
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[
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0, 0, 0, 0, 16, 32, 64, 0, 7936, 7680, 7168, 6144, 4096, 0, 16384, 49152, 0, 0, 0, 0, 1048576, 2097152, 4194304, 0, 0, 0, 0, 135266304, 0, 538968064, 0, 2151677952, 0, 0, 17315135488, 0, 0, 137977921536, 0, 0, 0, 2216338391040, 0, 0, 0, 35322350010368, 0, 0, 283691315101696, 0, 0, 0, 0, 9042521604751360, 0, 0, 0, 0, 0, 0, 0, 2314885530818445312, 0, 0],
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[
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0, 0, 0, 0, 0, 32, 64, 128, 16128, 15872, 15360, 14336, 12288, 8192, 0, 32768, 0, 0, 0, 0, 0, 2097152, 4194304, 8388608, 0, 0, 0, 0, 270532608, 0, 1077936128, 0, 0, 0, 0, 34630270976, 0, 0, 275955843072, 0, 0, 0, 4432676782080, 0, 0, 0, 70644700020736, 0, 0, 567382630203392, 0, 0, 0, 0, 18085043209502720, 0, 72624976668131328, 0, 0, 0, 0, 0, 4629771061636890624, 0],
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[
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0, 0, 0, 0, 0, 0, 64, 128, 32512, 32256, 31744, 30720, 28672, 24576, 16384, 0, 0, 0, 0, 0, 0, 0, 4194304, 8388608, 0, 0, 0, 0, 0, 541065216, 0, 2155872256, 0, 0, 0, 0, 69260541952, 0, 0, 551911686144, 0, 0, 0, 8865353564160, 0, 0, 0, 141289400041472, 0, 0, 1134765260406784, 0, 0, 0, 0, 36170086419005440, 0, 145249953336262656, 0, 0, 0, 0, 0, 9259542123273781248],
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[
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257, 0, 516, 0, 0, 0, 0, 0, 256, 512, 0, 0, 0, 0, 0, 0, 0, 131072, 393216, 917504, 1966080, 4063232, 8257536, 16646144, 16777216, 33554432, 0, 0, 0, 0, 0, 0, 4311744512, 0, 17213423616, 0, 0, 0, 0, 0, 1103823372288, 0, 0, 8813306445824, 0, 0, 0, 0, 282578800082944, 0, 0, 0, 4512412933816320, 0, 0, 0, 72340172838010880, 0, 0, 0, 0, 2310355422147510272, 0, 0],
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[
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0, 514, 0, 1032, 0, 0, 0, 0, 256, 512, 1024, 0, 0, 0, 0, 0, 65536, 0, 262144, 786432, 1835008, 3932160, 8126464, 16515072, 16777216, 33554432, 67108864, 0, 0, 0, 0, 0, 0, 8623489024, 0, 34426847232, 0, 0, 0, 0, 0, 2207646744576, 0, 0, 17626612891648, 0, 0, 0, 0, 565157600165888, 0, 0, 0, 9024825867632640, 0, 0, 0, 144680345676021760, 0, 0, 0, 0, 4620710844295020544, 0],
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[
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513, 0, 1028, 0, 2064, 0, 0, 0, 0, 512, 1024, 2048, 0, 0, 0, 0, 196608, 131072, 0, 524288, 1572864, 3670016, 7864320, 16252928, 0, 33554432, 67108864, 134217728, 0, 0, 0, 0, 4328521728, 0, 17246978048, 0, 68853694464, 0, 0, 0, 0, 0, 4415293489152, 0, 0, 35253225783296, 0, 0, 0, 0, 1130315200331776, 0, 0, 0, 18049651735265280, 0, 0, 0, 289360691352043520, 0, 0, 0, 0, 9241421688590041088],
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[
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0, 1026, 0, 2056, 0, 4128, 0, 0, 0, 0, 1024, 2048, 4096, 0, 0, 0, 458752, 393216, 262144, 0, 1048576, 3145728, 7340032, 15728640, 0, 0, 67108864, 134217728, 268435456, 0, 0, 0, 0, 8657043456, 0, 34493956096, 0, 137707388928, 0, 0, 1108168671232, 0, 0, 8830586978304, 0, 0, 70506451566592, 0, 0, 0, 0, 2260630400663552, 0, 0, 0, 36099303470530560, 0, 0, 0, 578721382704087040, 0, 0, 0, 0],
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[
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36099303470530561, 0, 2052, 0, 4112, 0, 8256, 0, 0, 0, 0, 2048, 4096, 8192, 0, 0, 983040, 917504, 786432, 524288, 0, 2097152, 6291456, 14680064, 0, 0, 0, 134217728, 268435456, 536870912, 0, 0, 0, 0, 17314086912, 0, 68987912192, 0, 275414777856, 0, 0, 2216337342464, 0, 0, 17661173956608, 0, 0, 141012903133184, 283691314053120, 0, 0, 0, 4521260801327104, 0, 0, 0, 0, 0, 0, 0, 1157442765408174080, 0, 0, 0],
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[
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0, 0, 0, 4104, 0, 8224, 0, 16512, 0, 0, 0, 0, 4096, 8192, 16384, 0, 2031616, 1966080, 1835008, 1572864, 1048576, 0, 4194304, 12582912, 0, 0, 0, 0, 268435456, 536870912, 1073741824, 0, 0, 0, 0, 34628173824, 0, 137975824384, 0, 550829555712, 0, 0, 4432674684928, 0, 0, 35322347913216, 0, 0, 0, 567382628106240, 0, 0, 0, 9042521602654208, 0, 0, 72624976666034176, 0, 0, 0, 0, 2314885530816348160, 0, 0],
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[
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0, 0, 0, 0, 8208, 0, 16448, 0, 0, 0, 0, 0, 0, 8192, 16384, 32768, 4128768, 4063232, 3932160, 3670016, 3145728, 2097152, 0, 8388608, 0, 0, 0, 0, 0, 536870912, 1073741824, 2147483648, 0, 0, 0, 0, 69256347648, 0, 275951648768, 0, 0, 0, 0, 8865349369856, 0, 0, 70644695826432, 0, 0, 0, 1134765256212480, 0, 0, 0, 18085043205308416, 0, 0, 145249953332068352, 0, 0, 0, 0, 4629771061632696320, 0],
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[
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0, 0, 0, 0, 0, 16416, 0, 32896, 0, 0, 0, 0, 0, 0, 16384, 32768, 8323072, 8257536, 8126464, 7864320, 7340032, 6291456, 4194304, 0, 0, 0, 0, 0, 0, 0, 1073741824, 2147483648, 0, 0, 0, 0, 0, 138512695296, 0, 551903297536, 0, 0, 0, 0, 17730698739712, 0, 0, 141289391652864, 0, 0, 0, 2269530512424960, 0, 0, 0, 36170086410616832, 0, 0, 290499906664136704, 0, 0, 0, 0, 9259542123265392640],
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[
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65793, 0, 0, 132104, 0, 0, 0, 0, 65792, 0, 132096, 0, 0, 0, 0, 0, 65536, 131072, 0, 0, 0, 0, 0, 0, 0, 33554432, 100663296, 234881024, 503316480, 1040187392, 2113929216, 4261412864, 4294967296, 8589934592, 0, 0, 0, 0, 0, 0, 1103806595072, 0, 4406636445696, 0, 0, 0, 0, 0, 282578783305728, 0, 0, 2256206450130944, 0, 0, 0, 0, 72340172821233664, 0, 0, 0, 1155177711056977920, 0, 0, 0],
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[
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0, 131586, 0, 0, 264208, 0, 0, 0, 0, 131584, 0, 264192, 0, 0, 0, 0, 65536, 131072, 262144, 0, 0, 0, 0, 0, 16777216, 0, 67108864, 201326592, 469762048, 1006632960, 2080374784, 4227858432, 4294967296, 8589934592, 17179869184, 0, 0, 0, 0, 0, 0, 2207613190144, 0, 8813272891392, 0, 0, 0, 0, 0, 565157566611456, 0, 0, 4512412900261888, 0, 0, 0, 0, 144680345642467328, 0, 0, 0, 2310355422113955840, 0, 0],
|
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[
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|
0, 0, 263172, 0, 0, 528416, 0, 0, 131328, 0, 263168, 0, 528384, 0, 0, 0, 0, 131072, 262144, 524288, 0, 0, 0, 0, 50331648, 33554432, 0, 134217728, 402653184, 939524096, 2013265920, 4160749568, 0, 8589934592, 17179869184, 34359738368, 0, 0, 0, 0, 1108101562368, 0, 4415226380288, 0, 17626545782784, 0, 0, 0, 0, 0, 1130315133222912, 0, 0, 9024825800523776, 0, 0, 0, 0, 289360691284934656, 0, 0, 0, 4620710844227911680, 0],
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[
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262657, 0, 0, 526344, 0, 0, 1056832, 0, 0, 262656, 0, 526336, 0, 1056768, 0, 0, 0, 0, 262144, 524288, 1048576, 0, 0, 0, 117440512, 100663296, 67108864, 0, 268435456, 805306368, 1879048192, 4026531840, 0, 0, 17179869184, 34359738368, 68719476736, 0, 0, 0, 0, 2216203124736, 0, 8830452760576, 0, 35253091565568, 0, 0, 283691179835392, 0, 0, 2260630266445824, 0, 0, 18049651601047552, 0, 0, 0, 0, 578721382569869312, 0, 0, 0, 9241421688455823360],
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[
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0, 525314, 0, 0, 1052688, 0, 0, 2113664, 0, 0, 525312, 0, 1052672, 0, 2113536, 0, 0, 0, 0, 524288, 1048576, 2097152, 0, 0, 251658240, 234881024, 201326592, 134217728, 0, 536870912, 1610612736, 3758096384, 0, 0, 0, 34359738368, 68719476736, 137438953472, 0, 0, 0, 0, 4432406249472, 0, 17660905521152, 0, 70506183131136, 0, 0, 567382359670784, 0, 0, 4521260532891648, 0, 0, 36099303202095104, 72624976397598720, 0, 0, 0, 1157442765139738624, 0, 0, 0],
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[
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|
36099303202095105, 0, 1050628, 0, 0, 2105376, 0, 0, 0, 0, 0, 1050624, 0, 2105344, 0, 4227072, 0, 0, 0, 0, 1048576, 2097152, 4194304, 0, 520093696, 503316480, 469762048, 402653184, 268435456, 0, 1073741824, 3221225472, 0, 0, 0, 0, 68719476736, 137438953472, 274877906944, 0, 0, 0, 0, 8864812498944, 0, 35321811042304, 0, 141012366262272, 0, 0, 1134764719341568, 0, 0, 9042521065783296, 0, 0, 0, 145249952795197440, 0, 0, 0, 2314885530279477248, 0, 0],
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[
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16140901064495857665, 0, 0, 0, 0, 9042521604759584, 0, 0, 0, 0, 0, 0, 0, 9042521604759552, 0, 0, 4512412933881856, 0, 0, 0, 0, 9042521604751360, 0, 0, 0, 4512412933816320, 0, 0, 0, 9042521602654208, 0, 0, 0, 0, 4512412900261888, 0, 0, 9042521065783296, 0, 0, 0, 0, 0, 4512395720392704, 0, 9042383626829824, 0, 18155135997837312, 0, 0, 0, 0, 4503599627370496, 9007199254740992, 18014398509481984, 0, 2233785415175766016, 2161727821137838080, 2017612633061982208, 1729382256910270464, 1152921504606846976, 0, 4611686018427387904, 13835058055282163712],
|
|
[
|
|
13835058055282163713, 0, 0, 0, 0, 0, 18085043209519168, 0, 9024825867763968, 0, 0, 0, 0, 0, 18085043209519104, 0, 0, 9024825867763712, 0, 0, 0, 0, 18085043209502720, 0, 0, 0, 9024825867632640, 0, 0, 0, 18085043205308416, 0, 0, 0, 0, 9024825800523776, 0, 0, 18085042131566592, 0, 0, 0, 0, 0, 9024791440785408, 0, 18084767253659648, 0, 0, 0, 0, 0, 0, 9007199254740992, 18014398509481984, 36028797018963968, 4539628424389459968, 4467570830351532032, 4323455642275676160, 4035225266123964416, 3458764513820540928, 2305843009213693952, 0, 9223372036854775808],
|
|
[
|
|
18049651735527937, 0, 0, 0, 0, 0, 0, 36170086419038336, 0, 18049651735527936, 0, 0, 0, 0, 0, 36170086419038208, 0, 0, 18049651735527424, 0, 0, 0, 0, 36170086419005440, 0, 0, 0, 18049651735265280, 0, 0, 0, 36170086410616832, 0, 0, 0, 0, 18049651601047552, 0, 0, 36170084263133184, 0, 0, 0, 0, 0, 18049582881570816, 0, 36169534507319296, 0, 0, 0, 0, 0, 0, 18014398509481984, 36028797018963968, 9151314442816847872, 9079256848778919936, 8935141660703064064, 8646911284551352320, 8070450532247928832, 6917529027641081856, 4611686018427387904, 0],
|
|
];
|
|
|
|
SQUARE_BBS = [
|
|
1,
|
|
2,
|
|
4,
|
|
8,
|
|
16,
|
|
32,
|
|
64,
|
|
128,
|
|
256,
|
|
512,
|
|
1024,
|
|
2048,
|
|
4096,
|
|
8192,
|
|
16384,
|
|
32768,
|
|
65536,
|
|
131072,
|
|
262144,
|
|
524288,
|
|
1048576,
|
|
2097152,
|
|
4194304,
|
|
8388608,
|
|
16777216,
|
|
33554432,
|
|
67108864,
|
|
134217728,
|
|
268435456,
|
|
536870912,
|
|
1073741824,
|
|
2147483648,
|
|
4294967296,
|
|
8589934592,
|
|
17179869184,
|
|
34359738368,
|
|
68719476736,
|
|
137438953472,
|
|
274877906944,
|
|
549755813888,
|
|
1099511627776,
|
|
2199023255552,
|
|
4398046511104,
|
|
8796093022208,
|
|
17592186044416,
|
|
35184372088832,
|
|
70368744177664,
|
|
140737488355328,
|
|
281474976710656,
|
|
562949953421312,
|
|
1125899906842624,
|
|
2251799813685248,
|
|
4503599627370496,
|
|
9007199254740992,
|
|
18014398509481984,
|
|
36028797018963968,
|
|
72057594037927936,
|
|
144115188075855872,
|
|
288230376151711744,
|
|
576460752303423488,
|
|
1152921504606846976,
|
|
2305843009213693952,
|
|
4611686018427387904,
|
|
9223372036854775808,
|
|
];
|
|
|
|
KING_ATTACKS = [
|
|
770,
|
|
1797,
|
|
3594,
|
|
7188,
|
|
14376,
|
|
28752,
|
|
57504,
|
|
49216,
|
|
197123,
|
|
460039,
|
|
920078,
|
|
1840156,
|
|
3680312,
|
|
7360624,
|
|
14721248,
|
|
12599488,
|
|
50463488,
|
|
117769984,
|
|
235539968,
|
|
471079936,
|
|
942159872,
|
|
1884319744,
|
|
3768639488,
|
|
3225468928,
|
|
12918652928,
|
|
30149115904,
|
|
60298231808,
|
|
120596463616,
|
|
241192927232,
|
|
482385854464,
|
|
964771708928,
|
|
825720045568,
|
|
3307175149568,
|
|
7718173671424,
|
|
15436347342848,
|
|
30872694685696,
|
|
61745389371392,
|
|
123490778742784,
|
|
246981557485568,
|
|
211384331665408,
|
|
846636838289408,
|
|
1975852459884544,
|
|
3951704919769088,
|
|
7903409839538176,
|
|
15806819679076352,
|
|
31613639358152704,
|
|
63227278716305408,
|
|
54114388906344448,
|
|
216739030602088448,
|
|
505818229730443264,
|
|
1011636459460886528,
|
|
2023272918921773056,
|
|
4046545837843546112,
|
|
8093091675687092224,
|
|
16186183351374184448,
|
|
13853283560024178688,
|
|
144959613005987840,
|
|
362258295026614272,
|
|
724516590053228544,
|
|
1449033180106457088,
|
|
2898066360212914176,
|
|
5796132720425828352,
|
|
11592265440851656704,
|
|
4665729213955833856,
|
|
];
|
|
|
|
KNIGHT_ATTACKS = [
|
|
132096,
|
|
329728,
|
|
659712,
|
|
1319424,
|
|
2638848,
|
|
5277696,
|
|
10489856,
|
|
4202496,
|
|
33816580,
|
|
84410376,
|
|
168886289,
|
|
337772578,
|
|
675545156,
|
|
1351090312,
|
|
2685403152,
|
|
1075839008,
|
|
8657044482,
|
|
21609056261,
|
|
43234889994,
|
|
86469779988,
|
|
172939559976,
|
|
345879119952,
|
|
687463207072,
|
|
275414786112,
|
|
2216203387392,
|
|
5531918402816,
|
|
11068131838464,
|
|
22136263676928,
|
|
44272527353856,
|
|
88545054707712,
|
|
175990581010432,
|
|
70506185244672,
|
|
567348067172352,
|
|
1416171111120896,
|
|
2833441750646784,
|
|
5666883501293568,
|
|
11333767002587136,
|
|
22667534005174272,
|
|
45053588738670592,
|
|
18049583422636032,
|
|
145241105196122112,
|
|
362539804446949376,
|
|
725361088165576704,
|
|
1450722176331153408,
|
|
2901444352662306816,
|
|
5802888705324613632,
|
|
11533718717099671552,
|
|
4620693356194824192,
|
|
288234782788157440,
|
|
576469569871282176,
|
|
1224997833292120064,
|
|
2449995666584240128,
|
|
4899991333168480256,
|
|
9799982666336960512,
|
|
1152939783987658752,
|
|
2305878468463689728,
|
|
1128098930098176,
|
|
2257297371824128,
|
|
4796069720358912,
|
|
9592139440717824,
|
|
19184278881435648,
|
|
38368557762871296,
|
|
4679521487814656,
|
|
9077567998918656,
|
|
];
|
|
|
|
WHITE_PAWN_ATTACKS = [
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
2, 5, 10, 20, 40, 80, 160, 64,
|
|
512, 1280, 2560, 5120, 10240, 20480, 40960, 16384,
|
|
131072, 327680, 655360, 1310720, 2621440, 5242880, 10485760, 4194304,
|
|
33554432, 83886080, 167772160, 335544320, 671088640, 1342177280, 2684354560, 1073741824,
|
|
8589934592, 21474836480, 42949672960, 85899345920, 171798691840, 343597383680, 687194767360, 274877906944,
|
|
2199023255552, 5497558138880, 10995116277760, 21990232555520, 43980465111040, 87960930222080, 175921860444160, 70368744177664,
|
|
562949953421312, 1407374883553280, 2814749767106560, 5629499534213120, 11258999068426240, 22517998136852480, 45035996273704960, 18014398509481984,
|
|
];
|
|
BLACK_PAWN_ATTACKS = [
|
|
512, 1280, 2560, 5120, 10240, 20480, 40960, 16384,
|
|
131072, 327680, 655360, 1310720, 2621440, 5242880, 10485760, 4194304,
|
|
33554432, 83886080, 167772160, 335544320, 671088640, 1342177280, 2684354560, 1073741824,
|
|
8589934592, 21474836480, 42949672960, 85899345920, 171798691840, 343597383680, 687194767360, 274877906944,
|
|
2199023255552, 5497558138880, 10995116277760, 21990232555520, 43980465111040, 87960930222080, 175921860444160, 70368744177664,
|
|
562949953421312, 1407374883553280, 2814749767106560, 5629499534213120, 11258999068426240, 22517998136852480, 45035996273704960, 18014398509481984,
|
|
144115188075855872, 360287970189639680, 720575940379279360, 1441151880758558720, 2882303761517117440, 5764607523034234880, 11529215046068469760, 4611686018427387904,
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
];
|
|
|
|
MAX_ULONG = 18446744073709551615;
|
|
|
|
PieceNames:str = ['P', 'N', 'B', 'R', 'Q', 'K', 'P', 'N', 'B', 'R', 'Q', 'K', '_'];
|
|
PieceColours:str = ['W', 'W', 'W', 'W', 'W', 'W', 'B', 'B', 'B', 'B', 'B', 'B', '_'];
|
|
|
|
NO_SQUARE: int = 65;
|
|
BP_STARTING_POSITIONS = 65280
|
|
WP_STARTING_POSITIONS = 71776119061217280;
|
|
BK_STARTING_POSITION = 16;
|
|
WK_STARTING_POSITION = 1152921504606846976;
|
|
BN_STARTING_POSITIONS = 66;
|
|
WN_STARTING_POSITIONS = 4755801206503243776;
|
|
WR_STARTING_POSITIONS = 9295429630892703744;
|
|
BR_STARTING_POSITIONS = 129;
|
|
BB_STARTING_POSITIONS = 36;
|
|
WB_STARTING_POSITIONS = 2594073385365405696;
|
|
WQ_STARTING_POSITION = 576460752303423488;
|
|
BQ_STARTING_POSITION = 8;
|
|
|
|
RANK_1_BITBOARD = 18374686479671623680
|
|
RANK_2_BITBOARD = 71776119061217280
|
|
RANK_3_BITBOARD = 280375465082880
|
|
RANK_4_BITBOARD = 1095216660480
|
|
RANK_5_BITBOARD = 4278190080
|
|
RANK_6_BITBOARD = 16711680
|
|
RANK_7_BITBOARD = 65280
|
|
RANK_8_BITBOARD = 255
|
|
|
|
BISHOP_ATTACKS = [
|
|
[
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
1,
|
|
2,
|
|
4,
|
|
8,
|
|
16,
|
|
32,
|
|
64,
|
|
0,
|
|
256,
|
|
513,
|
|
1026,
|
|
2052,
|
|
4104,
|
|
8208,
|
|
16416,
|
|
0,
|
|
65536,
|
|
131328,
|
|
262657,
|
|
525314,
|
|
1050628,
|
|
2101256,
|
|
4202512,
|
|
0,
|
|
16777216,
|
|
33619968,
|
|
67240192,
|
|
134480385,
|
|
268960770,
|
|
537921540,
|
|
1075843080,
|
|
0,
|
|
4294967296,
|
|
8606711808,
|
|
17213489152,
|
|
34426978560,
|
|
68853957121,
|
|
137707914242,
|
|
275415828484,
|
|
0,
|
|
1099511627776,
|
|
2203318222848,
|
|
4406653222912,
|
|
8813306511360,
|
|
17626613022976,
|
|
35253226045953,
|
|
70506452091906,
|
|
0,
|
|
281474976710656,
|
|
564049465049088,
|
|
1128103225065472,
|
|
2256206466908160,
|
|
4512412933881856,
|
|
9024825867763968,
|
|
18049651735527937,
|
|
],
|
|
[
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
2,
|
|
4,
|
|
8,
|
|
16,
|
|
32,
|
|
64,
|
|
128,
|
|
0,
|
|
516,
|
|
1032,
|
|
2064,
|
|
4128,
|
|
8256,
|
|
16512,
|
|
32768,
|
|
0,
|
|
132104,
|
|
264208,
|
|
528416,
|
|
1056832,
|
|
2113664,
|
|
4227072,
|
|
8388608,
|
|
0,
|
|
33818640,
|
|
67637280,
|
|
135274560,
|
|
270549120,
|
|
541097984,
|
|
1082130432,
|
|
2147483648,
|
|
0,
|
|
8657571872,
|
|
17315143744,
|
|
34630287488,
|
|
69260574720,
|
|
138521083904,
|
|
277025390592,
|
|
549755813888,
|
|
0,
|
|
2216338399296,
|
|
4432676798592,
|
|
8865353596928,
|
|
17730707128320,
|
|
35461397479424,
|
|
70918499991552,
|
|
140737488355328,
|
|
0,
|
|
567382630219904,
|
|
1134765260439552,
|
|
2269530520813568,
|
|
4539061024849920,
|
|
9078117754732544,
|
|
18155135997837312,
|
|
36028797018963968,
|
|
0,
|
|
],
|
|
[
|
|
0,
|
|
256,
|
|
66048,
|
|
16909312,
|
|
4328785920,
|
|
1108169199616,
|
|
283691315109888,
|
|
72624976668147712,
|
|
0,
|
|
65536,
|
|
16908288,
|
|
4328783872,
|
|
1108169195520,
|
|
283691315101696,
|
|
72624976668131328,
|
|
145249953336262656,
|
|
0,
|
|
16777216,
|
|
4328521728,
|
|
1108168671232,
|
|
283691314053120,
|
|
72624976666034176,
|
|
145249953332068352,
|
|
290499906664136704,
|
|
0,
|
|
4294967296,
|
|
1108101562368,
|
|
283691179835392,
|
|
72624976397598720,
|
|
145249952795197440,
|
|
290499905590394880,
|
|
580999811180789760,
|
|
0,
|
|
1099511627776,
|
|
283673999966208,
|
|
72624942037860352,
|
|
145249884075720704,
|
|
290499768151441408,
|
|
580999536302882816,
|
|
1161999072605765632,
|
|
0,
|
|
281474976710656,
|
|
72620543991349248,
|
|
145241087982698496,
|
|
290482175965396992,
|
|
580964351930793984,
|
|
1161928703861587968,
|
|
2323857407723175936,
|
|
0,
|
|
72057594037927936,
|
|
144115188075855872,
|
|
288230376151711744,
|
|
576460752303423488,
|
|
1152921504606846976,
|
|
2305843009213693952,
|
|
4611686018427387904,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
],
|
|
[
|
|
9241421688590303744,
|
|
36099303471055872,
|
|
141012904183808,
|
|
550831656960,
|
|
2151686144,
|
|
8404992,
|
|
32768,
|
|
0,
|
|
4620710844295151616,
|
|
9241421688590303232,
|
|
36099303471054848,
|
|
141012904181760,
|
|
550831652864,
|
|
2151677952,
|
|
8388608,
|
|
0,
|
|
2310355422147510272,
|
|
4620710844295020544,
|
|
9241421688590041088,
|
|
36099303470530560,
|
|
141012903133184,
|
|
550829555712,
|
|
2147483648,
|
|
0,
|
|
1155177711056977920,
|
|
2310355422113955840,
|
|
4620710844227911680,
|
|
9241421688455823360,
|
|
36099303202095104,
|
|
141012366262272,
|
|
549755813888,
|
|
0,
|
|
577588851233521664,
|
|
1155177702467043328,
|
|
2310355404934086656,
|
|
4620710809868173312,
|
|
9241421619736346624,
|
|
36099165763141632,
|
|
140737488355328,
|
|
0,
|
|
288793326105133056,
|
|
577586652210266112,
|
|
1155173304420532224,
|
|
2310346608841064448,
|
|
4620693217682128896,
|
|
9241386435364257792,
|
|
36028797018963968,
|
|
0,
|
|
144115188075855872,
|
|
288230376151711744,
|
|
576460752303423488,
|
|
1152921504606846976,
|
|
2305843009213693952,
|
|
4611686018427387904,
|
|
9223372036854775808,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
|
|
],
|
|
];
|
|
ROOK_ATTACKS = [
|
|
[
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
1,
|
|
2,
|
|
4,
|
|
8,
|
|
16,
|
|
32,
|
|
64,
|
|
128,
|
|
257,
|
|
514,
|
|
1028,
|
|
2056,
|
|
4112,
|
|
8224,
|
|
16448,
|
|
32896,
|
|
65793,
|
|
131586,
|
|
263172,
|
|
526344,
|
|
1052688,
|
|
2105376,
|
|
4210752,
|
|
8421504,
|
|
16843009,
|
|
33686018,
|
|
67372036,
|
|
134744072,
|
|
269488144,
|
|
538976288,
|
|
1077952576,
|
|
2155905152,
|
|
4311810305,
|
|
8623620610,
|
|
17247241220,
|
|
34494482440,
|
|
68988964880,
|
|
137977929760,
|
|
275955859520,
|
|
551911719040,
|
|
1103823438081,
|
|
2207646876162,
|
|
4415293752324,
|
|
8830587504648,
|
|
17661175009296,
|
|
35322350018592,
|
|
70644700037184,
|
|
141289400074368,
|
|
282578800148737,
|
|
565157600297474,
|
|
1130315200594948,
|
|
2260630401189896,
|
|
4521260802379792,
|
|
9042521604759584,
|
|
18085043209519168,
|
|
36170086419038336,
|
|
],
|
|
[
|
|
254,
|
|
252,
|
|
248,
|
|
240,
|
|
224,
|
|
192,
|
|
128,
|
|
0,
|
|
65024,
|
|
64512,
|
|
63488,
|
|
61440,
|
|
57344,
|
|
49152,
|
|
32768,
|
|
0,
|
|
16646144,
|
|
16515072,
|
|
16252928,
|
|
15728640,
|
|
14680064,
|
|
12582912,
|
|
8388608,
|
|
0,
|
|
4261412864,
|
|
4227858432,
|
|
4160749568,
|
|
4026531840,
|
|
3758096384,
|
|
3221225472,
|
|
2147483648,
|
|
0,
|
|
1090921693184,
|
|
1082331758592,
|
|
1065151889408,
|
|
1030792151040,
|
|
962072674304,
|
|
824633720832,
|
|
549755813888,
|
|
0,
|
|
279275953455104,
|
|
277076930199552,
|
|
272678883688448,
|
|
263882790666240,
|
|
246290604621824,
|
|
211106232532992,
|
|
140737488355328,
|
|
0,
|
|
71494644084506624,
|
|
70931694131085312,
|
|
69805794224242688,
|
|
67553994410557440,
|
|
63050394783186944,
|
|
54043195528445952,
|
|
36028797018963968,
|
|
0,
|
|
18302628885633695744,
|
|
18158513697557839872,
|
|
17870283321406128128,
|
|
17293822569102704640,
|
|
16140901064495857664,
|
|
13835058055282163712,
|
|
9223372036854775808,
|
|
0
|
|
],
|
|
[
|
|
72340172838076672,
|
|
144680345676153344,
|
|
289360691352306688,
|
|
578721382704613376,
|
|
1157442765409226752,
|
|
2314885530818453504,
|
|
4629771061636907008,
|
|
9259542123273814016,
|
|
72340172838076416,
|
|
144680345676152832,
|
|
289360691352305664,
|
|
578721382704611328,
|
|
1157442765409222656,
|
|
2314885530818445312,
|
|
4629771061636890624,
|
|
9259542123273781248,
|
|
72340172838010880,
|
|
144680345676021760,
|
|
289360691352043520,
|
|
578721382704087040,
|
|
1157442765408174080,
|
|
2314885530816348160,
|
|
4629771061632696320,
|
|
9259542123265392640,
|
|
72340172821233664,
|
|
144680345642467328,
|
|
289360691284934656,
|
|
578721382569869312,
|
|
1157442765139738624,
|
|
2314885530279477248,
|
|
4629771060558954496,
|
|
9259542121117908992,
|
|
72340168526266368,
|
|
144680337052532736,
|
|
289360674105065472,
|
|
578721348210130944,
|
|
1157442696420261888,
|
|
2314885392840523776,
|
|
4629770785681047552,
|
|
9259541571362095104,
|
|
72339069014638592,
|
|
144678138029277184,
|
|
289356276058554368,
|
|
578712552117108736,
|
|
1157425104234217472,
|
|
2314850208468434944,
|
|
4629700416936869888,
|
|
9259400833873739776,
|
|
72057594037927936,
|
|
144115188075855872,
|
|
288230376151711744,
|
|
576460752303423488,
|
|
1152921504606846976,
|
|
2305843009213693952,
|
|
4611686018427387904,
|
|
9223372036854775808,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0
|
|
],
|
|
[
|
|
0,
|
|
1,
|
|
3,
|
|
7,
|
|
15,
|
|
31,
|
|
63,
|
|
127,
|
|
0,
|
|
256,
|
|
768,
|
|
1792,
|
|
3840,
|
|
7936,
|
|
16128,
|
|
32512,
|
|
0,
|
|
65536,
|
|
196608,
|
|
458752,
|
|
983040,
|
|
2031616,
|
|
4128768,
|
|
8323072,
|
|
0,
|
|
16777216,
|
|
50331648,
|
|
117440512,
|
|
251658240,
|
|
520093696,
|
|
1056964608,
|
|
2130706432,
|
|
0,
|
|
4294967296,
|
|
12884901888,
|
|
30064771072,
|
|
64424509440,
|
|
133143986176,
|
|
270582939648,
|
|
545460846592,
|
|
0,
|
|
1099511627776,
|
|
3298534883328,
|
|
7696581394432,
|
|
16492674416640,
|
|
34084860461056,
|
|
69269232549888,
|
|
139637976727552,
|
|
0,
|
|
281474976710656,
|
|
844424930131968,
|
|
1970324836974592,
|
|
4222124650659840,
|
|
8725724278030336,
|
|
17732923532771328,
|
|
35747322042253312,
|
|
0,
|
|
72057594037927936,
|
|
216172782113783808,
|
|
504403158265495552,
|
|
1080863910568919040,
|
|
2233785415175766016,
|
|
4539628424389459968,
|
|
9151314442816847872
|
|
]
|
|
];
|
|
|
|
EMPTY_BITBOARD = 0;
|
|
|
|
#endregion
|
|
|
|
pieceArray = [0,0,0,0,0,0, 0,0,0,0,0,0];
|
|
whiteToPlay: bool = True;
|
|
castleRights: bool = [True, True, True, True];
|
|
ep: int = NO_SQUARE;
|
|
boardPly: int = 0;
|
|
|
|
SQ_CHAR_Y = [
|
|
'8', '8', '8', '8', '8', '8', '8', '8',
|
|
'7', '7', '7', '7', '7', '7', '7', '7',
|
|
'6', '6', '6', '6', '6', '6', '6', '6',
|
|
'5', '5', '5', '5', '5', '5', '5', '5',
|
|
'4', '4', '4', '4', '4', '4', '4', '4',
|
|
'3', '3', '3', '3', '3', '3', '3', '3',
|
|
'2', '2', '2', '2', '2', '2', '2', '2',
|
|
'1', '1', '1', '1', '1', '1', '1', '1', 'A',
|
|
]
|
|
|
|
SQ_CHAR_X = [
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
|
|
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'N',
|
|
]
|
|
|
|
def PrintMoveNoNL(starting: int, target_square: int, tag: int): #{ #starting
|
|
|
|
if starting < 0 or starting > 63: #{
|
|
print(f"{starting}", end="");
|
|
#}
|
|
else: #{
|
|
print(f"{SQ_CHAR_X[starting]}", end="");
|
|
print(f"{SQ_CHAR_Y[starting]}", end="")
|
|
#}
|
|
#target
|
|
if target_square < 0 or target_square > 63: #{
|
|
print("%d", target_square)
|
|
#}
|
|
else: #{
|
|
print(f"{SQ_CHAR_X[target_square]}", end="");
|
|
print(f"{SQ_CHAR_Y[target_square]}", end="");
|
|
#}
|
|
if tag == TAG_BCaptureKnightPromotion or tag == TAG_BKnightPromotion or tag == TAG_WKnightPromotion or tag == TAG_WCaptureKnightPromotion: #{
|
|
print("n", end="")
|
|
#}
|
|
elif tag == TAG_BCaptureRookPromotion or tag == TAG_BRookPromotion or tag == TAG_WRookPromotion or tag == TAG_WCaptureRookPromotion: #{
|
|
print("r", end="")
|
|
#}
|
|
elif tag == TAG_BCaptureBishopPromotion or tag == TAG_BBishopPromotion or tag == TAG_WBishopPromotion or tag == TAG_WCaptureBishopPromotion: #{
|
|
print("b", end="")
|
|
#}
|
|
elif tag == TAG_BCaptureQueenPromotion or tag == TAG_BQueenPromotion or tag == TAG_WQueenPromotion or tag == TAG_WCaptureQueenPromotion: #{
|
|
print("q", end="")
|
|
#}
|
|
#}
|
|
|
|
#def getBishopMovesSeparate(startingSquare: int, occupancy: int) -> int: #{
|
|
#occupancy &= BISHOP_MASKS[startingSquare] # Apply the occupancy mask
|
|
#occupancy *= BISHOP_MAGIC_NUMBERS[startingSquare] # Multiply by the magic number
|
|
#occupancy = (occupancy >> (64 - BISHOP_REL_BITS[startingSquare])) & 0x1FF # Ensure it's a 9-bit result
|
|
#return BISHOP_ATTACKS[startingSquare][occupancy]
|
|
#}
|
|
|
|
#def getRookMovesSeparate(startingSquare: int, occupancy: int) -> int: #{
|
|
#occupancy &= ROOK_MASKS[startingSquare] # Apply the occupancy mask
|
|
#occupancy *= ROOK_MAGIC_NUMBERS[startingSquare] # Multiply by the magic number
|
|
#occupancy = (occupancy >> (64 - ROOK_REL_BITS[startingSquare])) & 0xFFF # Ensure it's a 12-bit result
|
|
#return ROOK_ATTACKS[startingSquare][occupancy]
|
|
#}
|
|
|
|
BISHOP_UP_LEFT = 0;
|
|
BISHOP_UP_RIGHT = 1;
|
|
BISHOP_DOWN_LEFT = 2;
|
|
BISHOP_DOWN_RIGHT = 3;
|
|
ROOK_UP = 0;
|
|
ROOK_DOWN = 2;
|
|
ROOK_LEFT = 3;
|
|
ROOK_RIGHT = 1;
|
|
|
|
def getRookMovesSeparate(square: int, combined_occ:int) -> int: #{
|
|
|
|
combinedAttacks = 0;
|
|
|
|
rookAttackUp:int = ROOK_ATTACKS[ROOK_UP][square];
|
|
rookAndOccs = rookAttackUp & combined_occ;
|
|
if (rookAndOccs != 0): #{
|
|
|
|
lastValue = rookAndOccs;
|
|
for i in range(0, 8): #{
|
|
|
|
rookAndOccs = rookAndOccs & rookAndOccs - 1;
|
|
if (rookAndOccs == 0): #{
|
|
|
|
endSquare:int = BitscanForward(lastValue);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
break;
|
|
#}
|
|
lastValue = rookAndOccs;
|
|
#}
|
|
#}
|
|
else: #{
|
|
|
|
combinedAttacks |= rookAttackUp;
|
|
#}
|
|
|
|
rookAttackLeft = ROOK_ATTACKS[ROOK_LEFT][square];
|
|
rookAndOccs = rookAttackLeft & combined_occ;
|
|
if (rookAndOccs != 0): #{
|
|
|
|
lastValue = rookAndOccs;
|
|
for i in range(0, 8): #{
|
|
rookAndOccs = rookAndOccs & rookAndOccs - 1;
|
|
if (rookAndOccs == 0): #{
|
|
|
|
endSquare:int = BitscanForward(lastValue);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
break;
|
|
#}
|
|
lastValue = rookAndOccs;
|
|
#}
|
|
#}
|
|
else: #{
|
|
|
|
combinedAttacks |= rookAttackLeft;
|
|
#}
|
|
|
|
rookAttackDown = ROOK_ATTACKS[ROOK_DOWN][square];
|
|
rookAndOccs = rookAttackDown & combined_occ;
|
|
if (rookAndOccs != 0): #{
|
|
|
|
endSquare = BitscanForward(rookAndOccs);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
#}
|
|
else: #{
|
|
combinedAttacks |= rookAttackDown;
|
|
#}
|
|
|
|
rookAttackRight = ROOK_ATTACKS[ROOK_RIGHT][square];
|
|
rookAndOccs = rookAttackRight & combined_occ;
|
|
if (rookAndOccs != 0): #{
|
|
|
|
endSquare = BitscanForward(rookAndOccs);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
|
|
#}
|
|
else: #{
|
|
|
|
combinedAttacks |= rookAttackRight;
|
|
|
|
#}
|
|
|
|
return combinedAttacks;
|
|
#}
|
|
|
|
def getBishopMovesSeparate(square, combined_occ): #{
|
|
|
|
combinedAttacks = 0;
|
|
|
|
bishopAttackUpLeft = BISHOP_ATTACKS[BISHOP_UP_LEFT][square];
|
|
bishopAndOccs = bishopAttackUpLeft & combined_occ;
|
|
if (bishopAndOccs != 0): #{
|
|
lastValue = bishopAndOccs;
|
|
for i in range(0, 8): #{
|
|
bishopAndOccs &= bishopAndOccs - 1;
|
|
if (bishopAndOccs == 0): #{
|
|
endSquare = BitscanForward(lastValue);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
break;
|
|
#}
|
|
lastValue = bishopAndOccs;
|
|
#}
|
|
#}
|
|
else: #{
|
|
|
|
combinedAttacks |= bishopAttackUpLeft;
|
|
|
|
#}
|
|
|
|
bishopAttackUpRight = BISHOP_ATTACKS[BISHOP_UP_RIGHT][square];
|
|
bishopAndOccs = bishopAttackUpRight & combined_occ;
|
|
if (bishopAndOccs != 0): #{
|
|
lastValue = bishopAndOccs;
|
|
for i in range(0, 8): #{
|
|
bishopAndOccs &= bishopAndOccs - 1;
|
|
if (bishopAndOccs == 0): #{
|
|
endSquare:int = BitscanForward(lastValue);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
break;
|
|
#}
|
|
lastValue = bishopAndOccs;
|
|
#}
|
|
#}
|
|
else: #{
|
|
combinedAttacks |= bishopAttackUpRight;
|
|
#}
|
|
|
|
bishopAttackDownLeft = BISHOP_ATTACKS[BISHOP_DOWN_LEFT][square];
|
|
|
|
bishopAndOccs = bishopAttackDownLeft & combined_occ;
|
|
if (bishopAndOccs != 0): #{
|
|
endSquare = BitscanForward(bishopAndOccs);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
#}
|
|
else: #{
|
|
combinedAttacks |= bishopAttackDownLeft;
|
|
#}
|
|
|
|
bishopAttackDownRight = BISHOP_ATTACKS[BISHOP_DOWN_RIGHT][square];
|
|
bishopAndOccs = bishopAttackDownRight & combined_occ;
|
|
if (bishopAndOccs != 0): #{
|
|
endSquare = BitscanForward(bishopAndOccs);
|
|
combinedAttacks |= INBETWEEN_BITBOARDS[square][endSquare];
|
|
#}
|
|
else: #{
|
|
combinedAttacks |= bishopAttackDownRight;
|
|
#}
|
|
return combinedAttacks;
|
|
#}
|
|
|
|
def Is_Square_Attacked_By_Black(square: int, occupancy: int) -> bool: #{
|
|
if (pieceArray[BP] & WHITE_PAWN_ATTACKS[square]) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[BN] & KNIGHT_ATTACKS[square]) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[BK] & KING_ATTACKS[square]) != 0: #{
|
|
return True
|
|
#}
|
|
bishopAttacks: int = getBishopMovesSeparate(square, occupancy)
|
|
if (pieceArray[BB] & bishopAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[BQ] & bishopAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
rookAttacks: int = getRookMovesSeparate(square, occupancy)
|
|
if (pieceArray[BR] & rookAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[BQ] & rookAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
return False
|
|
#}
|
|
|
|
def Is_Square_Attacked_By_White(square: int, occupancy: int) -> bool: #{
|
|
|
|
if (pieceArray[WP] & BLACK_PAWN_ATTACKS[square]) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[WN] & KNIGHT_ATTACKS[square]) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[WK] & KING_ATTACKS[square]) != 0: #{
|
|
return True
|
|
#}
|
|
bishopAttacks: int = getBishopMovesSeparate(square, occupancy)
|
|
if (pieceArray[WB] & bishopAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[WQ] & bishopAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
rookAttacks: int = getRookMovesSeparate(square, occupancy)
|
|
if (pieceArray[WR] & rookAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
if (pieceArray[WQ] & rookAttacks) != 0: #{
|
|
return True
|
|
#}
|
|
return False
|
|
#}
|
|
|
|
MAGIC: int = 0x03f79d71b4cb0a89
|
|
|
|
DEBRUIJN64: int = [
|
|
|
|
0, 47, 1, 56, 48, 27, 2, 60,
|
|
57, 49, 41, 37, 28, 16, 3, 61,
|
|
54, 58, 35, 52, 50, 42, 21, 44,
|
|
38, 32, 29, 23, 17, 11, 4, 62,
|
|
46, 55, 26, 59, 40, 36, 15, 53,
|
|
34, 51, 20, 43, 31, 22, 10, 45,
|
|
25, 39, 14, 33, 19, 30, 9, 24,
|
|
13, 18, 8, 12, 7, 6, 5, 63,
|
|
];
|
|
|
|
def BitscanForward(tempBitboard: int) -> int: #{
|
|
|
|
result = MAGIC * (tempBitboard ^ (tempBitboard - 1));
|
|
index = (result & ((1 << 64) - 1)) >> 58;
|
|
if index < 0 or index > 63: #{
|
|
print(f"error {index} out of range");
|
|
return -1;
|
|
#}
|
|
return DEBRUIJN64[index];
|
|
#}
|
|
|
|
def SetStartingPosition(): #{
|
|
ep = NO_SQUARE;
|
|
whiteToPlay = True;
|
|
castleRights[0] = True;
|
|
castleRights[1] = True;
|
|
castleRights[2] = True;
|
|
castleRights[3] = True;
|
|
pieceArray[WP] = WP_STARTING_POSITIONS
|
|
pieceArray[WN] = WN_STARTING_POSITIONS
|
|
pieceArray[WB] = WB_STARTING_POSITIONS
|
|
pieceArray[WR] = WR_STARTING_POSITIONS
|
|
pieceArray[WQ] = WQ_STARTING_POSITION
|
|
pieceArray[WK] = WK_STARTING_POSITION
|
|
pieceArray[BP] = BP_STARTING_POSITIONS
|
|
pieceArray[BN] = BN_STARTING_POSITIONS
|
|
pieceArray[BB] = BB_STARTING_POSITIONS
|
|
pieceArray[BR] = BR_STARTING_POSITIONS
|
|
pieceArray[BQ] = BQ_STARTING_POSITION
|
|
pieceArray[BK] = BK_STARTING_POSITION
|
|
#}
|
|
|
|
class Board:
|
|
def __init__(self):
|
|
self.piece_array = [0,0,0,0,0,0 ,0,0,0,0,0,0]; # Corresponds to pieceArray
|
|
self.white_to_play = True # Corresponds to isWhite
|
|
self.castle_rights = [True, True, True, True] # Corresponds to castleRights
|
|
self.ep = NO_SQUARE
|
|
|
|
def SetStartingPositionStruct(board:Board): #{
|
|
|
|
board.ep = NO_SQUARE;
|
|
board.white_to_play = True;
|
|
board.castle_rights[0] = True;
|
|
board.castle_rights[1] = True;
|
|
board.castle_rights[2] = True;
|
|
board.castle_rights[3] = True;
|
|
board.piece_array[WP] = WP_STARTING_POSITIONS;
|
|
board.piece_array[WN] = WN_STARTING_POSITIONS;
|
|
board.piece_array[WB] = WB_STARTING_POSITIONS;
|
|
board.piece_array[WR] = WR_STARTING_POSITIONS;
|
|
board.piece_array[WQ] = WQ_STARTING_POSITION;
|
|
board.piece_array[WK] = WK_STARTING_POSITION;
|
|
board.piece_array[BP] = BP_STARTING_POSITIONS;
|
|
board.piece_array[BN] = BN_STARTING_POSITIONS;
|
|
board.piece_array[BB] = BB_STARTING_POSITIONS;
|
|
board.piece_array[BR] = BR_STARTING_POSITIONS;
|
|
board.piece_array[BQ] = BQ_STARTING_POSITION;
|
|
board.piece_array[BK] = BK_STARTING_POSITION;
|
|
#
|
|
|
|
def IsOccupied(bitboard: int, square: int) -> bool:
|
|
#{
|
|
return (bitboard & SQUARE_BBS[square]) != 0
|
|
#}
|
|
|
|
def GetOccupiedIndex(square: int) -> int:
|
|
#{
|
|
for i in range(0, 12):
|
|
#{
|
|
if IsOccupied(pieceArray[i], square):
|
|
#{
|
|
return i;
|
|
#}
|
|
#}
|
|
return EMPTY;
|
|
#}
|
|
|
|
def PrintBoard():
|
|
|
|
print("Board:");
|
|
boardArray = [0] * 64
|
|
|
|
for i in range(0, 64):
|
|
boardArray[i] = GetOccupiedIndex(i);
|
|
|
|
|
|
for rank in range(0, 8):
|
|
#{
|
|
print(" ", end="");
|
|
|
|
for file in range(0, 8):
|
|
#{
|
|
square: int = (rank * 8) + file;
|
|
print(f"{PieceColours[boardArray[square]]}{PieceNames[boardArray[square]]} ", end="");
|
|
#}
|
|
|
|
print();
|
|
#}
|
|
print();
|
|
|
|
print(f"White to play: {whiteToPlay}");
|
|
|
|
print(f"Castle: {castleRights[0]} {castleRights[1]} {castleRights[2]} {castleRights[3]}");
|
|
print(f"ep: {ep}");
|
|
print(f"ply: {boardPly}");
|
|
print();
|
|
print();
|
|
#}
|
|
|
|
def PerftInline(depth: int, ply: int) -> int:
|
|
#{
|
|
|
|
global whiteToPlay;
|
|
global ep;
|
|
|
|
piece_array_local = [
|
|
pieceArray[0],
|
|
pieceArray[1],
|
|
pieceArray[2],
|
|
pieceArray[3],
|
|
pieceArray[4],
|
|
pieceArray[5],
|
|
pieceArray[6],
|
|
pieceArray[7],
|
|
pieceArray[8],
|
|
pieceArray[9],
|
|
pieceArray[10],
|
|
pieceArray[11],
|
|
];
|
|
|
|
#if depth == 0: #{
|
|
# return 1;
|
|
#}
|
|
|
|
moveList = [[0] * 4 for _ in range(50)];
|
|
moveCount:int = 0;
|
|
|
|
WHITE_OCCUPANCIES: int = piece_array_local[0] | piece_array_local[1] | piece_array_local[2] | piece_array_local[3] | piece_array_local[4] | piece_array_local[5];
|
|
|
|
BLACK_OCCUPANCIES: int = piece_array_local[6] | piece_array_local[7] | piece_array_local[8] | piece_array_local[9] | piece_array_local[10] | piece_array_local[11];
|
|
|
|
COMBINED_OCCUPANCIES: int = WHITE_OCCUPANCIES | BLACK_OCCUPANCIES;
|
|
EMPTY_OCCUPANCIES: int = ~COMBINED_OCCUPANCIES
|
|
tempBitboard: int;
|
|
checkBitboard: int = 0;
|
|
tempPinBitboard: int;
|
|
tempAttack: int;
|
|
tempEmpty: int;
|
|
tempCaptures: int;
|
|
startingSquare:int = NO_SQUARE;
|
|
targetSquare:int= NO_SQUARE;
|
|
|
|
pinArray = [[-1, -1] for _ in range(8)];
|
|
pinNumber:int = 0;
|
|
|
|
#Generate Moves
|
|
if whiteToPlay == True: #{
|
|
|
|
whiteKingCheckCount: int = 0
|
|
whiteKingPosition: int = BitscanForward(piece_array_local[WK])
|
|
|
|
#pawns
|
|
tempBitboard = piece_array_local[BP] & WHITE_PAWN_ATTACKS[whiteKingPosition]
|
|
if tempBitboard != 0: #{
|
|
|
|
pawn_square: int = BitscanForward(tempBitboard);
|
|
checkBitboard = EMPTY_BITBOARD << pawn_square
|
|
whiteKingCheckCount+=1;
|
|
#}
|
|
|
|
#knights
|
|
tempBitboard = piece_array_local[BN] & KNIGHT_ATTACKS[whiteKingPosition]
|
|
if tempBitboard != 0: #{
|
|
|
|
knight_square: int = BitscanForward(tempBitboard);
|
|
checkBitboard = SQUARE_BBS[knight_square]
|
|
whiteKingCheckCount += 1;
|
|
#}
|
|
|
|
#bishops
|
|
bishopAttacksChecks: int = getBishopMovesSeparate(whiteKingPosition, BLACK_OCCUPANCIES)
|
|
tempBitboard = piece_array_local[BB] & bishopAttacksChecks
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square: int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square] & WHITE_OCCUPANCIES
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
|
|
whiteKingCheckCount += 1;
|
|
#}
|
|
else: #{
|
|
|
|
pinned_square: int = BitscanForward(tempPinBitboard)
|
|
tempPinBitboard &= tempPinBitboard - 1
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square;
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square;
|
|
pinNumber += 1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1;
|
|
#}
|
|
|
|
#queen
|
|
tempBitboard = piece_array_local[BQ] & bishopAttacksChecks;
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square: int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square] & WHITE_OCCUPANCIES;
|
|
|
|
if tempPinBitboard == 0: #{
|
|
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
|
|
whiteKingCheckCount += 1;
|
|
#}
|
|
else: #{
|
|
pinned_square: int = BitscanForward(tempPinBitboard)
|
|
tempPinBitboard &= tempPinBitboard - 1
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square
|
|
pinNumber+=1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1
|
|
#}
|
|
|
|
#rook
|
|
rook_attacks: int = getRookMovesSeparate(whiteKingPosition, BLACK_OCCUPANCIES);
|
|
tempBitboard = piece_array_local[BR] & rook_attacks;
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square: int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square] & WHITE_OCCUPANCIES;
|
|
|
|
if tempPinBitboard == 0: #{
|
|
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square];
|
|
whiteKingCheckCount += 1;
|
|
#}
|
|
else: #{
|
|
pinned_square: int = BitscanForward(tempPinBitboard);
|
|
tempPinBitboard &= tempPinBitboard - 1;
|
|
|
|
if tempPinBitboard == 0: #{
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square;
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square;
|
|
pinNumber += 1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1;
|
|
#}
|
|
|
|
#queen
|
|
tempBitboard = piece_array_local[BQ] & rook_attacks;
|
|
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square: int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square] & WHITE_OCCUPANCIES;
|
|
|
|
if tempPinBitboard == 0: #{
|
|
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square];
|
|
whiteKingCheckCount+=1;
|
|
#}
|
|
else: #{
|
|
pinned_square: int = BitscanForward(tempPinBitboard);
|
|
tempPinBitboard &= tempPinBitboard - 1
|
|
|
|
if tempPinBitboard == 0: #{
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square
|
|
pinNumber+=1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1
|
|
#}
|
|
|
|
#If double check
|
|
if whiteKingCheckCount > 1: #{
|
|
|
|
occupanciesWithoutWhiteKing: int = COMBINED_OCCUPANCIES & (~piece_array_local[WK])
|
|
tempAttack = KING_ATTACKS[whiteKingPosition]
|
|
tempEmpty = tempAttack & EMPTY_OCCUPANCIES
|
|
while tempEmpty != 0: #{
|
|
targetSquare = BitscanForward(tempEmpty)
|
|
tempEmpty &= tempEmpty - 1
|
|
|
|
if (piece_array_local[BP] & WHITE_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
bishopAttacks: int = getBishopMovesSeparate(targetSquare, occupanciesWithoutWhiteKing)
|
|
if (piece_array_local[BB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks: int = getRookMovesSeparate(targetSquare, occupanciesWithoutWhiteKing)
|
|
if (piece_array_local[BR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = whiteKingPosition;
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare;
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE;
|
|
moveList[moveCount][MOVE_PIECE] = WK;
|
|
moveCount+= 1;
|
|
#}
|
|
|
|
#captures
|
|
tempCaptures = tempAttack & BLACK_OCCUPANCIES;
|
|
while tempCaptures != 0: #{
|
|
targetSquare = BitscanForward(tempCaptures);
|
|
tempCaptures &= tempCaptures - 1;
|
|
|
|
if (piece_array_local[BP] & WHITE_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
bishopAttacks: int = getBishopMovesSeparate(targetSquare, occupanciesWithoutWhiteKing)
|
|
if (piece_array_local[BB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks: int = getRookMovesSeparate(targetSquare, occupanciesWithoutWhiteKing)
|
|
if (piece_array_local[BR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = whiteKingPosition;
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare;
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE;
|
|
moveList[moveCount][MOVE_PIECE] = WK;
|
|
moveCount+= 1;
|
|
#}
|
|
|
|
#}
|
|
else: #{
|
|
|
|
if whiteKingCheckCount == 0: #{
|
|
checkBitboard = MAX_ULONG;
|
|
#}
|
|
|
|
occupanciesWithoutWhiteKing: int = COMBINED_OCCUPANCIES & (~piece_array_local[WK]);
|
|
tempAttack = KING_ATTACKS[whiteKingPosition];
|
|
tempEmpty = tempAttack & EMPTY_OCCUPANCIES;
|
|
while tempEmpty != 0: #{
|
|
targetSquare = BitscanForward(tempEmpty);
|
|
tempEmpty &= tempEmpty - 1;
|
|
|
|
if (piece_array_local[BP] & WHITE_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
bishopAttacks: int = getBishopMovesSeparate(targetSquare, occupanciesWithoutWhiteKing);
|
|
if (piece_array_local[BB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks: int = getRookMovesSeparate(targetSquare, occupanciesWithoutWhiteKing);
|
|
if (piece_array_local[BR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = whiteKingPosition
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = WK
|
|
moveCount+=1;
|
|
#}
|
|
|
|
#captures
|
|
tempCaptures = tempAttack & BLACK_OCCUPANCIES;
|
|
while tempCaptures != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempCaptures)
|
|
tempCaptures &= tempCaptures - 1
|
|
|
|
if (piece_array_local[BP] & WHITE_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
bishopAttacks: int = getBishopMovesSeparate(targetSquare, occupanciesWithoutWhiteKing);
|
|
if (piece_array_local[BB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks: int = getRookMovesSeparate(targetSquare, occupanciesWithoutWhiteKing);
|
|
if (piece_array_local[BR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[BQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = whiteKingPosition;
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare;
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE;
|
|
moveList[moveCount][MOVE_PIECE] = WK;
|
|
moveCount+=1;
|
|
#}
|
|
|
|
if whiteKingCheckCount == 0: #{
|
|
|
|
if castleRights[WKS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if whiteKingPosition == E1: #{ #king on e1
|
|
|
|
if (WKS_EMPTY_BITBOARD & COMBINED_OCCUPANCIES) == 0: #{ #f1 and g1 empty
|
|
|
|
if (piece_array_local[WR] & SQUARE_BBS[H1]) != 0: #{ #rook on h1
|
|
|
|
if Is_Square_Attacked_By_Black(F1, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
if Is_Square_Attacked_By_Black(G1, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = E1;
|
|
moveList[moveCount][MOVE_TARGET] = G1;
|
|
moveList[moveCount][MOVE_TAG] = TAG_WCASTLEKS;
|
|
moveList[moveCount][MOVE_PIECE] = WK;
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
if castleRights[WQS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if whiteKingPosition == E1: #{ #king on e1
|
|
|
|
if (WQS_EMPTY_BITBOARD & COMBINED_OCCUPANCIES) == 0: #{ #f1 and g1 empty
|
|
|
|
if (piece_array_local[WR] & SQUARE_BBS[A1]) != 0: #{ #rook on h1
|
|
|
|
if Is_Square_Attacked_By_Black(C1, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
if Is_Square_Attacked_By_Black(D1, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = E1;
|
|
moveList[moveCount][MOVE_TARGET] = C1;
|
|
moveList[moveCount][MOVE_TAG] = TAG_WCASTLEQS;
|
|
moveList[moveCount][MOVE_PIECE] = WK;
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[WN];
|
|
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1; #removes the knight from that square to not infinitely loop
|
|
|
|
tempPinBitboard = MAX_ULONG;
|
|
if pinNumber != 0: #{
|
|
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
tempAttack = ((KNIGHT_ATTACKS[startingSquare] & BLACK_OCCUPANCIES) & checkBitboard) & tempPinBitboard #gets knight captures
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = WN
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = ((KNIGHT_ATTACKS[startingSquare] & EMPTY_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = WN
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[WP]
|
|
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1;
|
|
|
|
tempPinBitboard = MAX_ULONG;
|
|
if pinNumber != 0: #{
|
|
for i in range(0, pinNumber): #{
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][pinArray[i][PINNING_PIECE_INDEX]];
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
if (SQUARE_BBS[startingSquare-8] & COMBINED_OCCUPANCIES) == 0: #{ #if up one square is empty
|
|
|
|
if ((SQUARE_BBS[startingSquare-8] & checkBitboard) & tempPinBitboard) != 0: #{
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_7_BITBOARD) != 0: #{ #if promotion
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare - 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_WQueenPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare - 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_WRookPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare - 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_WBishopPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare - 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_WKnightPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
|
|
#}
|
|
else: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare - 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_2_BITBOARD) != 0: #{ #if on rank 2
|
|
|
|
if ((SQUARE_BBS[startingSquare-16] & checkBitboard) & tempPinBitboard) != 0: #{ #if not pinned or
|
|
|
|
if ((SQUARE_BBS[startingSquare-16]) & COMBINED_OCCUPANCIES) == 0: #{ #if up two squares and one square are empty
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare - 16
|
|
moveList[moveCount][MOVE_TAG] = TAG_DoublePawnWhite
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
tempAttack = ((WHITE_PAWN_ATTACKS[startingSquare] & BLACK_OCCUPANCIES) & checkBitboard) & tempPinBitboard #if black piece diagonal to pawn
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_7_BITBOARD) != 0: #{ #if promotion
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_WCaptureQueenPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_WCaptureRookPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_WCaptureBishopPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_WCaptureKnightPromotion
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
#}
|
|
else: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_5_BITBOARD) != 0: #{ #check rank for ep
|
|
|
|
if ep != NO_SQUARE: #{
|
|
|
|
if (((WHITE_PAWN_ATTACKS[startingSquare] & SQUARE_BBS[ep]) & checkBitboard) & tempPinBitboard) != 0: #{
|
|
|
|
if (piece_array_local[WK] & RANK_5_BITBOARD) == 0: #{ #if no king on rank 5
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = int(ep)
|
|
moveList[moveCount][MOVE_TAG] = TAG_WHITEEP
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
#}
|
|
elif (piece_array_local[BR]&RANK_5_BITBOARD) == 0 and (piece_array_local[BQ]&RANK_5_BITBOARD) == 0: #{ # if no b rook or queen on rank 5
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = int(ep)
|
|
moveList[moveCount][MOVE_TAG] = TAG_WHITEEP
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
#}
|
|
else: #{ #wk and br or bq on rank 5
|
|
|
|
occupancyWithoutEPPawns: int = COMBINED_OCCUPANCIES & ~SQUARE_BBS[startingSquare]
|
|
occupancyWithoutEPPawns &= ~SQUARE_BBS[ep+8]
|
|
|
|
rookAttacksFromKing: int = getRookMovesSeparate(whiteKingPosition, occupancyWithoutEPPawns);
|
|
|
|
if (rookAttacksFromKing & piece_array_local[BR]) == 0: #{
|
|
|
|
if (rookAttacksFromKing & piece_array_local[BQ]) == 0: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = int(ep)
|
|
moveList[moveCount][MOVE_TAG] = TAG_WHITEEP
|
|
moveList[moveCount][MOVE_PIECE] = WP
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[WR]
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
rookAttacks = getRookMovesSeparate(startingSquare, COMBINED_OCCUPANCIES);
|
|
|
|
tempAttack = ((rookAttacks & BLACK_OCCUPANCIES) & checkBitboard) & tempPinBitboard;
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = WR
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = ((rookAttacks & EMPTY_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = WR
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[WB]
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
bishopAttacks = getBishopMovesSeparate(startingSquare, COMBINED_OCCUPANCIES);
|
|
|
|
tempAttack = ((bishopAttacks & BLACK_OCCUPANCIES) & checkBitboard) & tempPinBitboard;
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = WB
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = ((bishopAttacks & EMPTY_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = WB
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[WQ]
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][pinArray[i][PINNING_PIECE_INDEX]];
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
queenAttacks = getRookMovesSeparate(startingSquare, COMBINED_OCCUPANCIES);
|
|
queenAttacks |= getBishopMovesSeparate(startingSquare, COMBINED_OCCUPANCIES);
|
|
|
|
tempAttack = ((queenAttacks & BLACK_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = WQ
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = ((queenAttacks & EMPTY_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = WQ
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
#}
|
|
#}
|
|
else: #{ #black move
|
|
|
|
blackKingCheckCount: int = 0
|
|
blackKingPosition: int = BitscanForward(piece_array_local[BK]);
|
|
|
|
#pawns
|
|
tempBitboard = piece_array_local[WP] & BLACK_PAWN_ATTACKS[blackKingPosition]
|
|
if tempBitboard != 0: #{
|
|
|
|
pawn_square:int = BitscanForward(tempBitboard);
|
|
checkBitboard = SQUARE_BBS[pawn_square];
|
|
blackKingCheckCount+=1;
|
|
#}
|
|
|
|
#knights
|
|
tempBitboard = piece_array_local[WN] & KNIGHT_ATTACKS[blackKingPosition]
|
|
if tempBitboard != 0: #{
|
|
|
|
knight_square: int = BitscanForward(tempBitboard);
|
|
checkBitboard = SQUARE_BBS[knight_square]
|
|
blackKingCheckCount+=1;
|
|
#}
|
|
|
|
#bishops
|
|
bishopAttacksChecks: int = getBishopMovesSeparate(blackKingPosition, WHITE_OCCUPANCIES)
|
|
tempBitboard = piece_array_local[WB] & bishopAttacksChecks;
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square: int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square];
|
|
blackKingCheckCount+=1;
|
|
#}
|
|
else: #{
|
|
|
|
pinned_square: int = BitscanForward(tempPinBitboard)
|
|
tempPinBitboard &= tempPinBitboard - 1
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square
|
|
pinNumber+=1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1
|
|
#}
|
|
|
|
#queen
|
|
tempBitboard = piece_array_local[WQ] & bishopAttacksChecks
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square:int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square];
|
|
blackKingCheckCount+=1;
|
|
#}
|
|
else: #{
|
|
|
|
pinned_square: int = BitscanForward(tempPinBitboard)
|
|
tempPinBitboard &= tempPinBitboard - 1;
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square
|
|
pinNumber+=1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1
|
|
#}
|
|
|
|
#rook
|
|
rook_attacks:int = getRookMovesSeparate(blackKingPosition, WHITE_OCCUPANCIES)
|
|
tempBitboard = piece_array_local[WR] & rook_attacks
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square:int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
|
|
|
|
if tempPinBitboard == 0: #{
|
|
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
|
|
blackKingCheckCount+=1
|
|
#}
|
|
else: #{
|
|
|
|
pinned_square:int = BitscanForward(tempPinBitboard)
|
|
tempPinBitboard &= tempPinBitboard - 1
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square
|
|
pinNumber+=1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1
|
|
#}
|
|
|
|
#queen
|
|
tempBitboard = piece_array_local[WQ] & rook_attacks
|
|
while tempBitboard != 0: #{
|
|
|
|
piece_square:int = BitscanForward(tempBitboard);
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
|
|
blackKingCheckCount+=1;
|
|
#}
|
|
else: #{
|
|
|
|
pinned_square:int = BitscanForward(tempPinBitboard)
|
|
tempPinBitboard &= tempPinBitboard - 1
|
|
|
|
if tempPinBitboard == 0: #{
|
|
|
|
pinArray[pinNumber][PINNED_SQUARE_INDEX] = pinned_square
|
|
pinArray[pinNumber][PINNING_PIECE_INDEX] = piece_square
|
|
pinNumber+=1;
|
|
#}
|
|
#}
|
|
tempBitboard &= tempBitboard - 1
|
|
#}
|
|
|
|
if blackKingCheckCount > 1: #{
|
|
|
|
occupancyWithoutBlackKing: int = COMBINED_OCCUPANCIES & (~piece_array_local[BK])
|
|
tempAttack = KING_ATTACKS[blackKingPosition] & WHITE_OCCUPANCIES;
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1;
|
|
|
|
if (piece_array_local[WP] & BLACK_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
bishopAttacks:int = getBishopMovesSeparate(targetSquare, occupancyWithoutBlackKing);
|
|
if (piece_array_local[WB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks = getRookMovesSeparate(targetSquare, occupancyWithoutBlackKing);
|
|
if (piece_array_local[WR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = BK
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = KING_ATTACKS[blackKingPosition] & ~COMBINED_OCCUPANCIES
|
|
|
|
while tempAttack != 0: #{
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1;
|
|
|
|
if (piece_array_local[WP] & WHITE_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
bishopAttacks:int = getBishopMovesSeparate(targetSquare, occupancyWithoutBlackKing)
|
|
if (piece_array_local[WB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks:int = getRookMovesSeparate(targetSquare, occupancyWithoutBlackKing);
|
|
if (piece_array_local[WR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = BK
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
else: #{
|
|
if blackKingCheckCount == 0: #{
|
|
checkBitboard = MAX_ULONG
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[BP]
|
|
|
|
while tempBitboard != 0: #{
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
if (SQUARE_BBS[startingSquare+8] & COMBINED_OCCUPANCIES) == 0: #{ #if up one square is empty
|
|
|
|
if ((SQUARE_BBS[startingSquare+8] & checkBitboard) & tempPinBitboard) != 0: #{
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_2_BITBOARD) != 0: #{ #if promotion
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare + 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_BBishopPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare + 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_BKnightPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare + 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_BRookPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare + 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_BQueenPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
#}
|
|
else: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare + 8
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_7_BITBOARD) != 0: #{ #if on rank 2
|
|
|
|
if ((SQUARE_BBS[startingSquare+16] & checkBitboard) & tempPinBitboard) != 0: #{
|
|
|
|
if ((SQUARE_BBS[startingSquare+16]) & COMBINED_OCCUPANCIES) == 0: #{ #if up two squares and one square are empty
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = startingSquare + 16
|
|
moveList[moveCount][MOVE_TAG] = TAG_DoublePawnBlack
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
tempAttack = ((BLACK_PAWN_ATTACKS[startingSquare] & WHITE_OCCUPANCIES) & checkBitboard) & tempPinBitboard #if black piece diagonal to pawn
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack); #find the bit
|
|
tempAttack &= tempAttack - 1
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_2_BITBOARD) != 0: #{ #if promotion
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_BCaptureQueenPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_BCaptureRookPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_BCaptureKnightPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_BCaptureBishopPromotion
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1
|
|
#}
|
|
else: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1
|
|
#}
|
|
#}
|
|
|
|
if (SQUARE_BBS[startingSquare] & RANK_4_BITBOARD) != 0: #{ #check rank for ep
|
|
|
|
if ep != NO_SQUARE: #{
|
|
|
|
if (((BLACK_PAWN_ATTACKS[startingSquare] & SQUARE_BBS[ep]) & checkBitboard) & tempPinBitboard) != 0: #{
|
|
|
|
if (piece_array_local[BK] & RANK_4_BITBOARD) == 0: #{ #if no king on rank 5
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = int(ep)
|
|
moveList[moveCount][MOVE_TAG] = TAG_BLACKEP
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1
|
|
#}
|
|
elif (piece_array_local[WR]&RANK_4_BITBOARD) == 0 and (piece_array_local[WQ]&RANK_4_BITBOARD) == 0: #{ # if no b rook or queen on rank 5
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = int(ep)
|
|
moveList[moveCount][MOVE_TAG] = TAG_BLACKEP
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
#}
|
|
else: #{ #wk and br or bq on rank 5
|
|
|
|
occupancyWithoutEPPawns = COMBINED_OCCUPANCIES & ~SQUARE_BBS[startingSquare]
|
|
occupancyWithoutEPPawns &= ~SQUARE_BBS[ep-8]
|
|
|
|
rookAttacksFromKing = getRookMovesSeparate(blackKingPosition, occupancyWithoutEPPawns)
|
|
|
|
if (rookAttacksFromKing & piece_array_local[WR]) == 0: #{
|
|
|
|
if (rookAttacksFromKing & piece_array_local[WQ]) == 0: #{
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = int(ep)
|
|
moveList[moveCount][MOVE_TAG] = TAG_BLACKEP
|
|
moveList[moveCount][MOVE_PIECE] = BP
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[BN]
|
|
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard); #looks for the startingSquare
|
|
tempBitboard &= tempBitboard - 1 #removes the knight from that square to not infinitely loop
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
|
|
for i in range(0,pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
tempAttack = ((KNIGHT_ATTACKS[startingSquare] & WHITE_OCCUPANCIES) & checkBitboard) & tempPinBitboard #gets knight captures
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = BN
|
|
moveCount+=1
|
|
#}
|
|
|
|
tempAttack = ((KNIGHT_ATTACKS[startingSquare] & (~COMBINED_OCCUPANCIES)) & checkBitboard) & tempPinBitboard
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = BN
|
|
moveCount+=1
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[BB]
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
bishopAttacks = getBishopMovesSeparate(startingSquare, COMBINED_OCCUPANCIES)
|
|
|
|
tempAttack = ((bishopAttacks & WHITE_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = BB
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = ((bishopAttacks & (~COMBINED_OCCUPANCIES)) & checkBitboard) & tempPinBitboard
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = BB
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[BR]
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
rookAttacks = getRookMovesSeparate(startingSquare, COMBINED_OCCUPANCIES)
|
|
|
|
tempAttack = ((rookAttacks & WHITE_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = BR
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = ((rookAttacks & (~COMBINED_OCCUPANCIES)) & checkBitboard) & tempPinBitboard;
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = BR
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
tempBitboard = piece_array_local[BQ]
|
|
while tempBitboard != 0: #{
|
|
|
|
startingSquare = BitscanForward(tempBitboard);
|
|
tempBitboard &= tempBitboard - 1
|
|
|
|
tempPinBitboard = MAX_ULONG
|
|
if pinNumber != 0: #{
|
|
|
|
for i in range(0, pinNumber): #{
|
|
|
|
if pinArray[i][PINNED_SQUARE_INDEX] == startingSquare: #{
|
|
|
|
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][pinArray[i][PINNING_PIECE_INDEX]]
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
queenAttacks = getRookMovesSeparate(startingSquare, COMBINED_OCCUPANCIES)
|
|
queenAttacks |= getBishopMovesSeparate(startingSquare, COMBINED_OCCUPANCIES)
|
|
|
|
tempAttack = ((queenAttacks & WHITE_OCCUPANCIES) & checkBitboard) & tempPinBitboard
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = BQ
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = ((queenAttacks & (~COMBINED_OCCUPANCIES)) & checkBitboard) & tempPinBitboard
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
moveList[moveCount][MOVE_STARTING] = startingSquare
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = BQ
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
|
|
tempAttack = KING_ATTACKS[blackKingPosition] & WHITE_OCCUPANCIES #gets knight captures
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
if (piece_array_local[WP] & BLACK_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
occupancyWithoutBlackKing = COMBINED_OCCUPANCIES & (~piece_array_local[BK])
|
|
bishopAttacks = getBishopMovesSeparate(targetSquare, occupancyWithoutBlackKing)
|
|
if (piece_array_local[WB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks = getRookMovesSeparate(targetSquare, occupancyWithoutBlackKing)
|
|
if (piece_array_local[WR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = blackKingPosition
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_CAPTURE
|
|
moveList[moveCount][MOVE_PIECE] = BK
|
|
moveCount+=1;
|
|
#}
|
|
|
|
tempAttack = KING_ATTACKS[blackKingPosition] & (~COMBINED_OCCUPANCIES) #get knight moves to emtpy squares
|
|
|
|
while tempAttack != 0: #{
|
|
|
|
targetSquare = BitscanForward(tempAttack);
|
|
tempAttack &= tempAttack - 1
|
|
|
|
if (piece_array_local[WP] & BLACK_PAWN_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WN] & KNIGHT_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WK] & KING_ATTACKS[targetSquare]) != 0: #{
|
|
continue
|
|
#}
|
|
occupancyWithoutBlackKing: int = COMBINED_OCCUPANCIES & (~piece_array_local[BK])
|
|
bishopAttacks = getBishopMovesSeparate(targetSquare, occupancyWithoutBlackKing)
|
|
if (piece_array_local[WB] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & bishopAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
rookAttacks = getRookMovesSeparate(targetSquare, occupancyWithoutBlackKing)
|
|
if (piece_array_local[WR] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
if (piece_array_local[WQ] & rookAttacks) != 0: #{
|
|
continue
|
|
#}
|
|
|
|
moveList[moveCount][MOVE_STARTING] = blackKingPosition
|
|
moveList[moveCount][MOVE_TARGET] = targetSquare
|
|
moveList[moveCount][MOVE_TAG] = TAG_NONE
|
|
moveList[moveCount][MOVE_PIECE] = BK
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
if blackKingCheckCount == 0: #{
|
|
|
|
if castleRights[BKS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if blackKingPosition == E8: #{ #king on e1
|
|
|
|
if (BKS_EMPTY_BITBOARD & COMBINED_OCCUPANCIES) == 0: #{ #f1 and g1 empty
|
|
|
|
if (piece_array_local[BR] & SQUARE_BBS[H8]) != 0: #{ #rook on h1
|
|
|
|
if Is_Square_Attacked_By_White(F8, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
if Is_Square_Attacked_By_White(G8, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = E8
|
|
moveList[moveCount][MOVE_TARGET] = G8
|
|
moveList[moveCount][MOVE_TAG] = TAG_BCASTLEKS
|
|
moveList[moveCount][MOVE_PIECE] = BK
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
if castleRights[BQS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if blackKingPosition == E8: #{ #king on e1
|
|
|
|
if (BQS_EMPTY_BITBOARD & COMBINED_OCCUPANCIES) == 0: #{ #f1 and g1 empty
|
|
|
|
if (piece_array_local[BR] & SQUARE_BBS[A8]) != 0: #{ #rook on h1
|
|
|
|
if Is_Square_Attacked_By_White(C8, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
if Is_Square_Attacked_By_White(D8, COMBINED_OCCUPANCIES) == False: #{
|
|
|
|
moveList[moveCount][MOVE_STARTING] = E8
|
|
moveList[moveCount][MOVE_TARGET] = C8
|
|
moveList[moveCount][MOVE_TAG] = TAG_BCASTLEQS
|
|
moveList[moveCount][MOVE_PIECE] = BK
|
|
moveCount+=1;
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
if depth == 1: #{
|
|
return moveCount
|
|
##}
|
|
|
|
nodes:int = 0
|
|
priorNodes:int
|
|
copyEp:int = ep
|
|
copyCastle:bool = [castleRights[0], castleRights[1], castleRights[2], castleRights[3]]
|
|
|
|
for moveIndex in range(0, moveCount): #{
|
|
|
|
startingSquare:int = moveList[moveIndex][MOVE_STARTING]
|
|
targetSquare:int = moveList[moveIndex][MOVE_TARGET]
|
|
piece:int = moveList[moveIndex][MOVE_PIECE]
|
|
tag:int = moveList[moveIndex][MOVE_TAG]
|
|
|
|
captureIndex: int = -1
|
|
|
|
whiteToPlay = not whiteToPlay
|
|
|
|
match tag: #{
|
|
case 0: #none
|
|
pieceArray[piece] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
case 26: #check
|
|
pieceArray[piece] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
case 1: #capture
|
|
pieceArray[piece] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
if piece >= WP and piece <= WK: #{
|
|
|
|
for i in range(BP, BK + 1): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
#}
|
|
else: #{ #is black
|
|
|
|
for i in range(WP, BP): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
#}
|
|
ep = NO_SQUARE
|
|
case 27: #check cap
|
|
pieceArray[piece] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
if piece >= 0 and piece <= WK: #{
|
|
|
|
for i in range(BP, BK + 1): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
#}
|
|
else: #{ #is black
|
|
|
|
for i in range(WP, BP): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
#}
|
|
ep = NO_SQUARE
|
|
case 2: #white ep
|
|
#move piece
|
|
pieceArray[WP] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[WP] &= ~SQUARE_BBS[startingSquare]
|
|
#remove
|
|
pieceArray[BP] &= ~SQUARE_BBS[targetSquare+8]
|
|
ep = NO_SQUARE
|
|
case 3: #black ep
|
|
#move piece
|
|
pieceArray[BP] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[BP] &= ~SQUARE_BBS[startingSquare]
|
|
#remove white pawn square up
|
|
pieceArray[WP] &= ~SQUARE_BBS[targetSquare-8]
|
|
ep = NO_SQUARE
|
|
|
|
case 4: #WKS
|
|
#white king
|
|
pieceArray[WK] |= SQUARE_BBS[G1]
|
|
pieceArray[WK] &= ~SQUARE_BBS[E1]
|
|
#white rook
|
|
pieceArray[WR] |= SQUARE_BBS[F1]
|
|
pieceArray[WR] &= ~SQUARE_BBS[H1]
|
|
#occupancies
|
|
castleRights[WKS_CASTLE_RIGHTS] = False
|
|
castleRights[WQS_CASTLE_RIGHTS] = False
|
|
ep = NO_SQUARE
|
|
|
|
case 5: #WQS
|
|
#white king
|
|
pieceArray[WK] |= SQUARE_BBS[C1]
|
|
pieceArray[WK] &= ~SQUARE_BBS[E1]
|
|
#white rook
|
|
pieceArray[WR] |= SQUARE_BBS[D1]
|
|
pieceArray[WR] &= ~SQUARE_BBS[A1]
|
|
|
|
castleRights[WKS_CASTLE_RIGHTS] = False
|
|
castleRights[WQS_CASTLE_RIGHTS] = False
|
|
ep = NO_SQUARE
|
|
|
|
case 6: #BKS
|
|
#white king
|
|
pieceArray[BK] |= SQUARE_BBS[G8]
|
|
pieceArray[BK] &= ~SQUARE_BBS[E8]
|
|
#white rook
|
|
pieceArray[BR] |= SQUARE_BBS[F8]
|
|
pieceArray[BR] &= ~SQUARE_BBS[H8]
|
|
castleRights[BKS_CASTLE_RIGHTS] = False
|
|
castleRights[BQS_CASTLE_RIGHTS] = False
|
|
ep = NO_SQUARE
|
|
|
|
case 7: #BQS
|
|
#white king
|
|
pieceArray[BK] |= SQUARE_BBS[C8]
|
|
pieceArray[BK] &= ~SQUARE_BBS[E8]
|
|
#white rook
|
|
pieceArray[BR] |= SQUARE_BBS[D8]
|
|
pieceArray[BR] &= ~SQUARE_BBS[A8]
|
|
castleRights[BKS_CASTLE_RIGHTS] = False
|
|
castleRights[BQS_CASTLE_RIGHTS] = False
|
|
ep = NO_SQUARE
|
|
|
|
case 8: #BNPr
|
|
pieceArray[BN] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 9: #BBPr
|
|
pieceArray[BB] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 10: #BQPr
|
|
pieceArray[BQ] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 11: #BRPr
|
|
pieceArray[BR] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 12: #WNPr
|
|
pieceArray[WN] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 13: #WBPr
|
|
pieceArray[WB] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 14: #WQPr
|
|
pieceArray[WQ] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 15: #WRPr
|
|
pieceArray[WR] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
|
|
case 16: #BNPrCAP
|
|
pieceArray[BN] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
for i in range(WP, BP): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 17: #BBPrCAP
|
|
pieceArray[BB] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
|
|
ep = NO_SQUARE
|
|
for i in range(WP, BP): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 18: #BQPrCAP
|
|
pieceArray[BQ] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
for i in range(WP, BP): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 19: #BRPrCAP
|
|
pieceArray[BR] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
for i in range(WP, BP): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 20: #WNPrCAP
|
|
pieceArray[WN] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
for i in range(BP, BK + 1): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 21: #WBPrCAP
|
|
pieceArray[WB] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
for i in range(BP, BK + 1): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 22: #WQPrCAP
|
|
pieceArray[WQ] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
for i in range(BP, BK + 1): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 23: #WRPrCAP
|
|
pieceArray[WR] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[startingSquare]
|
|
ep = NO_SQUARE
|
|
for i in range(BP, BK + 1): #{
|
|
|
|
if (pieceArray[i] & SQUARE_BBS[targetSquare]) != 0: #{
|
|
|
|
captureIndex = i
|
|
break
|
|
#}
|
|
#}
|
|
pieceArray[captureIndex] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 24: #WDouble
|
|
pieceArray[WP] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[WP] &= ~SQUARE_BBS[startingSquare]
|
|
ep = targetSquare + 8
|
|
|
|
case 25: #BDouble
|
|
pieceArray[BP] |= SQUARE_BBS[targetSquare]
|
|
pieceArray[BP] &= ~SQUARE_BBS[startingSquare]
|
|
ep = targetSquare - 8
|
|
#}
|
|
|
|
if piece == WK: #{
|
|
|
|
castleRights[WKS_CASTLE_RIGHTS] = False
|
|
castleRights[WQS_CASTLE_RIGHTS] = False
|
|
#}
|
|
elif piece == BK: #{
|
|
|
|
castleRights[BKS_CASTLE_RIGHTS] = False
|
|
castleRights[BQS_CASTLE_RIGHTS] = False
|
|
#}
|
|
elif piece == WR: #{
|
|
|
|
if castleRights[WKS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if (pieceArray[WR] & SQUARE_BBS[H1]) == 0: #{
|
|
|
|
castleRights[WKS_CASTLE_RIGHTS] = False
|
|
#}
|
|
#}
|
|
if castleRights[WQS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if (pieceArray[WR] & SQUARE_BBS[A1]) == 0: #{
|
|
|
|
castleRights[WQS_CASTLE_RIGHTS] = False
|
|
#}
|
|
#}
|
|
#}
|
|
elif piece == BR: #{
|
|
|
|
if castleRights[BKS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if (pieceArray[BR] & SQUARE_BBS[H8]) == 0: #{
|
|
|
|
castleRights[BKS_CASTLE_RIGHTS] = False
|
|
#}
|
|
#}
|
|
if castleRights[BQS_CASTLE_RIGHTS] == True: #{
|
|
|
|
if (pieceArray[BR] & SQUARE_BBS[A8]) == 0: #{
|
|
|
|
castleRights[BQS_CASTLE_RIGHTS] = False
|
|
#}
|
|
#}
|
|
#}
|
|
|
|
priorNodes = nodes
|
|
nodes += PerftInline(depth-1, ply+1)
|
|
|
|
whiteToPlay = not whiteToPlay
|
|
match tag: #{
|
|
case 0: #none
|
|
pieceArray[piece] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[targetSquare]
|
|
case 26: #check
|
|
pieceArray[piece] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 1: #capture
|
|
pieceArray[piece] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[targetSquare]
|
|
if (piece >= WP and piece < BP): #{
|
|
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
#}
|
|
else: #{ #is black
|
|
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
#}
|
|
case 27: #check cap
|
|
pieceArray[piece] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[piece] &= ~SQUARE_BBS[targetSquare]
|
|
if piece >= WP and piece < BP: #{
|
|
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
#}
|
|
else: #{ #is black
|
|
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
#}
|
|
|
|
case 2: #white ep
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WP] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[BP] |= SQUARE_BBS[targetSquare+8]
|
|
|
|
case 3: #black ep
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BP] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[WP] |= SQUARE_BBS[targetSquare-8]
|
|
|
|
case 4: #WKS
|
|
#white king
|
|
pieceArray[WK] |= SQUARE_BBS[E1]
|
|
pieceArray[WK] &= ~SQUARE_BBS[G1]
|
|
#white rook
|
|
pieceArray[WR] |= SQUARE_BBS[H1]
|
|
pieceArray[WR] &= ~SQUARE_BBS[F1]
|
|
|
|
case 5: #WQS
|
|
#white king
|
|
pieceArray[WK] |= SQUARE_BBS[E1]
|
|
pieceArray[WK] &= ~SQUARE_BBS[C1]
|
|
#white rook
|
|
pieceArray[WR] |= SQUARE_BBS[A1]
|
|
pieceArray[WR] &= ~SQUARE_BBS[D1]
|
|
|
|
case 6: #BKS
|
|
#white king
|
|
pieceArray[BK] |= SQUARE_BBS[E8]
|
|
pieceArray[BK] &= ~SQUARE_BBS[G8]
|
|
#white rook
|
|
pieceArray[BR] |= SQUARE_BBS[H8]
|
|
pieceArray[BR] &= ~SQUARE_BBS[F8]
|
|
|
|
case 7: #BQS
|
|
#white king
|
|
pieceArray[BK] |= SQUARE_BBS[E8]
|
|
pieceArray[BK] &= ~SQUARE_BBS[C8]
|
|
#white rook
|
|
pieceArray[BR] |= SQUARE_BBS[A8]
|
|
pieceArray[BR] &= ~SQUARE_BBS[D8]
|
|
|
|
case 8: #BNPr
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BN] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 9: #BBPr
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BB] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 10: #BQPr
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BQ] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 11: #BRPr
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BR] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 12: #WNPr
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WN] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 13: #WBPr
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WB] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 14: #WQPr
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WQ] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 15: #WRPr
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WR] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 16: #BNPrCAP
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BN] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 17: #BBPrCAP
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BB] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 18: #BQPrCAP
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BQ] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 19: #BRPrCAP
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BR] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 20: #WNPrCAP
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WN] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 21: #WBPrCAP
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WB] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 22: #WQPrCAP
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WQ] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 23: #WRPrCAP
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WR] &= ~SQUARE_BBS[targetSquare]
|
|
pieceArray[captureIndex] |= SQUARE_BBS[targetSquare]
|
|
|
|
case 24: #WDouble
|
|
pieceArray[WP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[WP] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
case 25: #BDouble
|
|
pieceArray[BP] |= SQUARE_BBS[startingSquare]
|
|
pieceArray[BP] &= ~SQUARE_BBS[targetSquare]
|
|
|
|
#}
|
|
|
|
castleRights[0] = copyCastle[0]
|
|
castleRights[1] = copyCastle[1]
|
|
castleRights[2] = copyCastle[2]
|
|
castleRights[3] = copyCastle[3]
|
|
ep = copyEp
|
|
|
|
if ply == 0: #{
|
|
PrintMoveNoNL(moveList[moveIndex][MOVE_STARTING], moveList[moveIndex][MOVE_TARGET], moveList[moveIndex][MOVE_TAG])
|
|
print(f": {nodes-priorNodes}")
|
|
#}
|
|
#}
|
|
|
|
return nodes
|
|
#}
|
|
|
|
def current_milli_time():
|
|
return round(time.time() * 1000)
|
|
|
|
def RunPerftInline(depth: int): #{
|
|
|
|
timestamp_start = current_milli_time();
|
|
|
|
nodes: int = PerftInline(depth, 0)
|
|
|
|
timestamp_end = current_milli_time();
|
|
elapsed = timestamp_end - timestamp_start
|
|
|
|
print(f"Nodes: {nodes}");
|
|
print(f"Elapsed time: {elapsed}");
|
|
#}
|
|
|
|
|
|
SetStartingPosition();
|
|
PrintBoard();
|
|
|
|
RunPerftInline(6);
|
|
#RunPerftInlineStruct(6);
|
|
input();
|