OMGeeky/hcsalmon1-Chess-Engine-Test
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Update Perft.go

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move list to 50 and removed unneeded if statements
This commit is contained in:
Coding with Tom
2025-01-20 18:23:30 +00:00
committed by GitHub
parent b06fd03362
commit 971af4f55a
1 changed files with 15 additions and 67 deletions
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82
Go/Perft.go
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@@ -11,7 +11,7 @@ func PerftInline(depth int, ply int) uint64 {
// return 1
//}
var moveList [250][4]int
var moveList [50][4]int
var moveCount uint64 = 0
var WHITE_OCCUPANCIES uint64 = PieceArray[0] |
@@ -62,12 +62,7 @@ func PerftInline(depth int, ply int) uint64 {
if tempBitboard != 0 {
var pawn_square int = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if checkBitboard == 0 {
checkBitboard = EMPTY_BITBOARD << pawn_square
}
checkBitboard = EMPTY_BITBOARD << pawn_square
whiteKingCheckCount++
}
@@ -76,11 +71,7 @@ func PerftInline(depth int, ply int) uint64 {
if tempBitboard != 0 {
var knight_square int = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if checkBitboard == 0 {
checkBitboard = SQUARE_BBS[knight_square]
}
checkBitboard = SQUARE_BBS[knight_square]
whiteKingCheckCount++
}
@@ -94,10 +85,9 @@ func PerftInline(depth int, ply int) uint64 {
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
whiteKingCheckCount++
} else {
var pinned_square int = (DEBRUIJN64[MAGIC*(tempPinBitboard^(tempPinBitboard-1))>>58])
@@ -121,9 +111,7 @@ func PerftInline(depth int, ply int) uint64 {
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square] & WHITE_OCCUPANCIES
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
whiteKingCheckCount++
} else {
var pinned_square int = (DEBRUIJN64[MAGIC*(tempPinBitboard^(tempPinBitboard-1))>>58])
@@ -148,9 +136,7 @@ func PerftInline(depth int, ply int) uint64 {
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square] & WHITE_OCCUPANCIES
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
whiteKingCheckCount++
} else {
var pinned_square int = (DEBRUIJN64[MAGIC*(tempPinBitboard^(tempPinBitboard-1))>>58])
@@ -173,9 +159,7 @@ func PerftInline(depth int, ply int) uint64 {
tempPinBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square] & WHITE_OCCUPANCIES
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[whiteKingPosition][piece_square]
whiteKingCheckCount++
} else {
var pinned_square int = (DEBRUIJN64[MAGIC*(tempPinBitboard^(tempPinBitboard-1))>>58])
@@ -682,13 +666,7 @@ func PerftInline(depth int, ply int) uint64 {
if tempBitboard != 0 {
var pawn_square = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if pawn_square != -1 {
if checkBitboard == 0 {
checkBitboard = SQUARE_BBS[pawn_square]
}
}
checkBitboard = SQUARE_BBS[pawn_square]
blackKingCheckCount++
}
@@ -697,13 +675,8 @@ func PerftInline(depth int, ply int) uint64 {
if tempBitboard != 0 {
var knight_square int = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if knight_square != -1 {
checkBitboard = SQUARE_BBS[knight_square]
if checkBitboard == 0 {
checkBitboard = SQUARE_BBS[knight_square]
}
}
blackKingCheckCount++
}
@@ -713,18 +686,11 @@ func PerftInline(depth int, ply int) uint64 {
for tempBitboard != 0 {
var piece_square int = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if piece_square == -1 {
break
}
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
blackKingCheckCount++
} else {
@@ -746,18 +712,11 @@ func PerftInline(depth int, ply int) uint64 {
for tempBitboard != 0 {
var piece_square = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if piece_square == -1 {
break
}
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
blackKingCheckCount++
} else {
@@ -780,16 +739,11 @@ func PerftInline(depth int, ply int) uint64 {
for tempBitboard != 0 {
var piece_square = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if piece_square == -1 {
break
}
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
blackKingCheckCount++
} else {
@@ -811,17 +765,11 @@ func PerftInline(depth int, ply int) uint64 {
for tempBitboard != 0 {
var piece_square = (DEBRUIJN64[MAGIC*(tempBitboard^(tempBitboard-1))>>58])
if piece_square == -1 {
break
}
tempPinBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square] & BLACK_OCCUPANCIES
if tempPinBitboard == 0 {
if checkBitboard == 0 {
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
}
checkBitboard = INBETWEEN_BITBOARDS[blackKingPosition][piece_square]
blackKingCheckCount++
} else {
@@ -883,7 +831,7 @@ func PerftInline(depth int, ply int) uint64 {
targetSquare = (DEBRUIJN64[MAGIC*(tempAttack^(tempAttack-1))>>58])
tempAttack &= tempAttack - 1
if (PieceArray[WP] & WHITE_PAWN_ATTACKS[targetSquare]) != 0 {
if (PieceArray[WP] & BLACK_PAWN_ATTACKS[targetSquare]) != 0 {
continue
}
if (PieceArray[WN] & KNIGHT_ATTACKS[targetSquare]) != 0 {