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48
Java/Bitboard.java
Normal file
48
Java/Bitboard.java
Normal file
@@ -0,0 +1,48 @@
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import java.math.BigInteger;
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public class Bitboard
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{
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public static BigInteger addBit(BigInteger bitboard, int square)
|
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{
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return bitboard.setBit(square);
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}
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public static void printBigInteger(BigInteger bitboard)
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{
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for (int rank = 0; rank < 8; rank++)
|
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{
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for (int file = 0; file < 8; file++)
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{
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int square = rank * 8 + file;
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processSquare(bitboard, square);
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}
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System.out.println();
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}
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System.out.println("BigInteger: " + bitboard);
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}
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static void processSquare(BigInteger bitboard, int square)
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{
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if (bitboard.testBit(square))
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{
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System.out.print("X ");
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}
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else
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{
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System.out.print("_ ");
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}
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}
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static int bitScanForwardSlow(BigInteger bitboard)
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{
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for (int i = 0; i < 64; i++)
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{
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if (bitboard.testBit(i))
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{
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return i;
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}
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}
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return -1;
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}
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}
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121
Java/Board.java
Normal file
121
Java/Board.java
Normal file
@@ -0,0 +1,121 @@
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import java.math.BigInteger;
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public class Board
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{
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public static BigInteger[] bitboard_array_global = new BigInteger[12];
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public static boolean is_white_global = true;
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public static boolean[] castle_rights_global = new boolean[4];
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public static int ep;
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static final BigInteger BP_STARTING_POSITIONS = new BigInteger("65280");
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static final BigInteger WP_STARTING_POSITIONS = new BigInteger("71776119061217280");
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static final BigInteger BK_STARTING_POSITION = new BigInteger("16");
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static final BigInteger WK_STARTING_POSITION = new BigInteger("1152921504606846976");
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static final BigInteger BN_STARTING_POSITIONS = new BigInteger("66");
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static final BigInteger WN_STARTING_POSITIONS = new BigInteger("4755801206503243776");
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static final BigInteger WR_STARTING_POSITIONS = new BigInteger("9295429630892703744");
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static final BigInteger BR_STARTING_POSITIONS = new BigInteger("129");
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static final BigInteger BB_STARTING_POSITIONS = new BigInteger("36");
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static final BigInteger WB_STARTING_POSITIONS = new BigInteger("2594073385365405696");
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static final BigInteger WQ_STARTING_POSITION = new BigInteger("576460752303423488");
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static final BigInteger BQ_STARTING_POSITION = new BigInteger("8");
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public static void SetTrickyPosition() {
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ep = GenConst.NO_SQUARE;
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is_white_global = true;
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castle_rights_global[0] = true;
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castle_rights_global[1] = true;
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castle_rights_global[2] = true;
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castle_rights_global[3] = true;
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bitboard_array_global[GenConst.WP] = new BigInteger("65020788473856000");
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bitboard_array_global[GenConst.WN] = new BigInteger("4398314946560");
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bitboard_array_global[GenConst.WB] = new BigInteger("6755399441055744");
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bitboard_array_global[GenConst.WR] = new BigInteger("9295429630892703744");
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bitboard_array_global[GenConst.WQ] = new BigInteger("35184372088832");
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bitboard_array_global[GenConst.WK] = new BigInteger("1152921504606846976");
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bitboard_array_global[GenConst.BP] = new BigInteger("140746083544320");
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bitboard_array_global[GenConst.BN] = new BigInteger("2228224");
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bitboard_array_global[GenConst.BB] = new BigInteger("81920");
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bitboard_array_global[GenConst.BR] = new BigInteger("129");
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bitboard_array_global[GenConst.BQ] = new BigInteger("4096");
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bitboard_array_global[GenConst.BK] = new BigInteger("16");
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}
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public static void SetStartingPosition() {
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ep = GenConst.NO_SQUARE;
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is_white_global = true;
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castle_rights_global[0] = true;
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castle_rights_global[1] = true;
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castle_rights_global[2] = true;
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castle_rights_global[3] = true;
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bitboard_array_global[GenConst.WP] = WP_STARTING_POSITIONS;
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bitboard_array_global[GenConst.WN] = WN_STARTING_POSITIONS;
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bitboard_array_global[GenConst.WB] = WB_STARTING_POSITIONS;
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bitboard_array_global[GenConst.WR] = WR_STARTING_POSITIONS;
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bitboard_array_global[GenConst.WQ] = WQ_STARTING_POSITION;
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bitboard_array_global[GenConst.WK] = WK_STARTING_POSITION;
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bitboard_array_global[GenConst.BP] = BP_STARTING_POSITIONS;
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bitboard_array_global[GenConst.BN] = BN_STARTING_POSITIONS;
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bitboard_array_global[GenConst.BB] = BB_STARTING_POSITIONS;
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bitboard_array_global[GenConst.BR] = BR_STARTING_POSITIONS;
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bitboard_array_global[GenConst.BQ] = BQ_STARTING_POSITION;
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bitboard_array_global[GenConst.BK] = BK_STARTING_POSITION;
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}
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static final char[] PieceNames = {'P', 'N', 'B', 'R', 'Q', 'K', 'P', 'N', 'B', 'R', 'Q', 'K', '_'};
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static final char[] PieceColours = {'W', 'W', 'W', 'W', 'W', 'W', 'B', 'B', 'B', 'B', 'B', 'B', '_'};
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static final int EMPTY = 12;
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||||
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static boolean IsOccupied(BigInteger bitboard, int square) {
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||||
return !bitboard.and(MoveConstants.SQUARE_BBS[square]).equals(BigInteger.ZERO);
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}
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static int GetOccupiedIndex(int square) {
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for (int i = 0; i < 12; i++) {
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if (IsOccupied(bitboard_array_global[i], square)) {
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||||
return i;
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||||
}
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||||
}
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||||
return EMPTY;
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||||
}
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||||
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static int[] fillBoardArray() {
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||||
int[] boardArray = new int[64];
|
||||
for (int i = 0; i < 64; i++) {
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||||
boardArray[i] = GetOccupiedIndex(i);
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||||
}
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||||
return boardArray;
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||||
}
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||||
|
||||
public static void PrintBoard() {
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||||
System.out.println("Board:");
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int[] boardArray = fillBoardArray();
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||||
|
||||
for (int rank = 0; rank < 8; rank++) {
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System.out.print(" ");
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for (int file = 0; file < 8; file++) {
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int square = (rank * 8) + file;
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System.out.printf("%c%c ", PieceColours[boardArray[square]], PieceNames[boardArray[square]]);
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||||
}
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System.out.println();
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}
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System.out.println();
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System.out.printf("White to play: %b\n", is_white_global);
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System.out.printf("Castle: %b %b %b %b\n", castle_rights_global[0], castle_rights_global[1], castle_rights_global[2], castle_rights_global[3]);
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System.out.printf("ep: %d\n", ep);
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System.out.println();
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||||
System.out.println();
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}
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||||
}
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@@ -1,13 +1,13 @@
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public class ChessEngine
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||||
{
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public static void main(String[] args)
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{
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//Testing.testRookMoves();
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Board.SetTrickyPosition();
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//Board.SetStartingPosition();
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Board.PrintBoard();
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Perft.RunPerftInlineGlobalOcc(2);
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//Board.PrintBoard();
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}
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||||
}
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||||
public class ChessEngine
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||||
{
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||||
public static void main(String[] args)
|
||||
{
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||||
//Testing.testRookMoves();
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||||
Board.SetTrickyPosition();
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||||
//Board.SetStartingPosition();
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||||
Board.PrintBoard();
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||||
Perft.RunPerftInlineGlobalOcc(2);
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||||
//Board.PrintBoard();
|
||||
}
|
||||
}
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136
Java/GenConst.java
Normal file
136
Java/GenConst.java
Normal file
@@ -0,0 +1,136 @@
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public class GenConst {
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public static final int WP = 0;
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||||
public static final int WN = 1;
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public static final int WB = 2;
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public static final int WR = 3;
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public static final int WQ = 4;
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public static final int WK = 5;
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public static final int BP = 6;
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public static final int BN = 7;
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public static final int BB = 8;
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public static final int BR = 9;
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public static final int BQ = 10;
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public static final int BK = 11;
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public static final int EMPTY = 12;
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public static final int TAG_NONE = 0;
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public static final int TAG_CAPTURE = 1;
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public static final int TAG_WHITEEP = 2;
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public static final int TAG_BLACKEP = 3;
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||||
public static final int TAG_WCASTLEKS = 4;
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public static final int TAG_WCASTLEQS = 5;
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||||
public static final int TAG_BCASTLEKS = 6;
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||||
public static final int TAG_BCASTLEQS = 7;
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||||
public static final int TAG_BKnightPromotion = 8;
|
||||
public static final int TAG_BBishopPromotion = 9;
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||||
public static final int TAG_BQueenPromotion = 10;
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public static final int TAG_BRookPromotion = 11;
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||||
public static final int TAG_WKnightPromotion = 12;
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||||
public static final int TAG_WBishopPromotion = 13;
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||||
public static final int TAG_WQueenPromotion = 14;
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||||
public static final int TAG_WRookPromotion = 15;
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||||
public static final int TAG_BCaptureKnightPromotion = 16;
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||||
public static final int TAG_BCaptureBishopPromotion = 17;
|
||||
public static final int TAG_BCaptureQueenPromotion = 18;
|
||||
public static final int TAG_BCaptureRookPromotion = 19;
|
||||
public static final int TAG_WCaptureKnightPromotion = 20;
|
||||
public static final int TAG_WCaptureBishopPromotion = 21;
|
||||
public static final int TAG_WCaptureQueenPromotion = 22;
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||||
public static final int TAG_WCaptureRookPromotion = 23;
|
||||
public static final int TAG_DoublePawnWhite = 24;
|
||||
public static final int TAG_DoublePawnBlack = 25;
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||||
public static final int TAG_CHECK = 26;
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||||
public static final int TAG_CHECK_CAPTURE = 27;
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||||
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||||
public static final int A8 = 0;
|
||||
public static final int B8 = 1;
|
||||
public static final int C8 = 2;
|
||||
public static final int D8 = 3;
|
||||
public static final int E8 = 4;
|
||||
public static final int F8 = 5;
|
||||
public static final int G8 = 6;
|
||||
public static final int H8 = 7;
|
||||
public static final int A7 = 8;
|
||||
public static final int B7 = 9;
|
||||
public static final int C7 = 10;
|
||||
public static final int D7 = 11;
|
||||
public static final int E7 = 12;
|
||||
public static final int F7 = 13;
|
||||
public static final int G7 = 14;
|
||||
public static final int H7 = 15;
|
||||
public static final int A6 = 16;
|
||||
public static final int B6 = 17;
|
||||
public static final int C6 = 18;
|
||||
public static final int D6 = 19;
|
||||
public static final int E6 = 20;
|
||||
public static final int F6 = 21;
|
||||
public static final int G6 = 22;
|
||||
public static final int H6 = 23;
|
||||
public static final int A5 = 24;
|
||||
public static final int B5 = 25;
|
||||
public static final int C5 = 26;
|
||||
public static final int D5 = 27;
|
||||
public static final int E5 = 28;
|
||||
public static final int F5 = 29;
|
||||
public static final int G5 = 30;
|
||||
public static final int H5 = 31;
|
||||
public static final int A4 = 32;
|
||||
public static final int B4 = 33;
|
||||
public static final int C4 = 34;
|
||||
public static final int D4 = 35;
|
||||
public static final int E4 = 36;
|
||||
public static final int F4 = 37;
|
||||
public static final int G4 = 38;
|
||||
public static final int H4 = 39;
|
||||
public static final int A3 = 40;
|
||||
public static final int B3 = 41;
|
||||
public static final int C3 = 42;
|
||||
public static final int D3 = 43;
|
||||
public static final int E3 = 44;
|
||||
public static final int F3 = 45;
|
||||
public static final int G3 = 46;
|
||||
public static final int H3 = 47;
|
||||
public static final int A2 = 48;
|
||||
public static final int B2 = 49;
|
||||
public static final int C2 = 50;
|
||||
public static final int D2 = 51;
|
||||
public static final int E2 = 52;
|
||||
public static final int F2 = 53;
|
||||
public static final int G2 = 54;
|
||||
public static final int H2 = 55;
|
||||
public static final int A1 = 56;
|
||||
public static final int B1 = 57;
|
||||
public static final int C1 = 58;
|
||||
public static final int D1 = 59;
|
||||
public static final int E1 = 60;
|
||||
public static final int F1 = 61;
|
||||
public static final int G1 = 62;
|
||||
public static final int H1 = 63;
|
||||
|
||||
public static final int NO_SQUARE = 64;
|
||||
|
||||
static char[] 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' // This seems like an extra value; ensure it is intentional
|
||||
};
|
||||
|
||||
static char[] 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' // This seems like an extra value; ensure it is intentional
|
||||
};
|
||||
|
||||
}
|
||||
4232
Java/Inb.java
Normal file
4232
Java/Inb.java
Normal file
File diff suppressed because it is too large
Load Diff
879
Java/MoveConstants.java
Normal file
879
Java/MoveConstants.java
Normal file
@@ -0,0 +1,879 @@
|
||||
|
||||
import java.math.BigInteger;
|
||||
|
||||
public class MoveConstants {
|
||||
|
||||
//#region
|
||||
|
||||
|
||||
public static final BigInteger[] KNIGHT_ATTACKS =
|
||||
{
|
||||
new BigInteger("132096"),
|
||||
new BigInteger("329728"),
|
||||
new BigInteger("659712"),
|
||||
new BigInteger("1319424"),
|
||||
new BigInteger("2638848"),
|
||||
new BigInteger("5277696"),
|
||||
new BigInteger("10489856"),
|
||||
new BigInteger("4202496"),
|
||||
new BigInteger("33816580"),
|
||||
new BigInteger("84410376"),
|
||||
new BigInteger("168886289"),
|
||||
new BigInteger("337772578"),
|
||||
new BigInteger("675545156"),
|
||||
new BigInteger("1351090312"),
|
||||
new BigInteger("2685403152"),
|
||||
new BigInteger("1075839008"),
|
||||
new BigInteger("8657044482"),
|
||||
new BigInteger("21609056261"),
|
||||
new BigInteger("43234889994"),
|
||||
new BigInteger("86469779988"),
|
||||
new BigInteger("172939559976"),
|
||||
new BigInteger("345879119952"),
|
||||
new BigInteger("687463207072"),
|
||||
new BigInteger("275414786112"),
|
||||
new BigInteger("2216203387392"),
|
||||
new BigInteger("5531918402816"),
|
||||
new BigInteger("11068131838464"),
|
||||
new BigInteger("22136263676928"),
|
||||
new BigInteger("44272527353856"),
|
||||
new BigInteger("88545054707712"),
|
||||
new BigInteger("175990581010432"),
|
||||
new BigInteger("70506185244672"),
|
||||
new BigInteger("567348067172352"),
|
||||
new BigInteger("1416171111120896"),
|
||||
new BigInteger("2833441750646784"),
|
||||
new BigInteger("5666883501293568"),
|
||||
new BigInteger("11333767002587136"),
|
||||
new BigInteger("22667534005174272"),
|
||||
new BigInteger("45053588738670592"),
|
||||
new BigInteger("18049583422636032"),
|
||||
new BigInteger("145241105196122112"),
|
||||
new BigInteger("362539804446949376"),
|
||||
new BigInteger("725361088165576704"),
|
||||
new BigInteger("1450722176331153408"),
|
||||
new BigInteger("2901444352662306816"),
|
||||
new BigInteger("5802888705324613632"),
|
||||
new BigInteger("11533718717099671552"),
|
||||
new BigInteger("4620693356194824192"),
|
||||
new BigInteger("288234782788157440"),
|
||||
new BigInteger("576469569871282176"),
|
||||
new BigInteger("1224997833292120064"),
|
||||
new BigInteger("2449995666584240128"),
|
||||
new BigInteger("4899991333168480256"),
|
||||
new BigInteger("9799982666336960512"),
|
||||
new BigInteger("1152939783987658752"),
|
||||
new BigInteger("2305878468463689728"),
|
||||
new BigInteger("1128098930098176"),
|
||||
new BigInteger("2257297371824128"),
|
||||
new BigInteger("4796069720358912"),
|
||||
new BigInteger("9592139440717824"),
|
||||
new BigInteger("19184278881435648"),
|
||||
new BigInteger("38368557762871296"),
|
||||
new BigInteger("4679521487814656"),
|
||||
new BigInteger("9077567998918656"),
|
||||
};
|
||||
public static final BigInteger[][] BISHOP_ATTACKS = {
|
||||
{
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1"),
|
||||
new BigInteger("2"),
|
||||
new BigInteger("4"),
|
||||
new BigInteger("8"),
|
||||
new BigInteger("16"),
|
||||
new BigInteger("32"),
|
||||
new BigInteger("64"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("256"),
|
||||
new BigInteger("513"),
|
||||
new BigInteger("1026"),
|
||||
new BigInteger("2052"),
|
||||
new BigInteger("4104"),
|
||||
new BigInteger("8208"),
|
||||
new BigInteger("16416"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("65536"),
|
||||
new BigInteger("131328"),
|
||||
new BigInteger("262657"),
|
||||
new BigInteger("525314"),
|
||||
new BigInteger("1050628"),
|
||||
new BigInteger("2101256"),
|
||||
new BigInteger("4202512"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("16777216"),
|
||||
new BigInteger("33619968"),
|
||||
new BigInteger("67240192"),
|
||||
new BigInteger("134480385"),
|
||||
new BigInteger("268960770"),
|
||||
new BigInteger("537921540"),
|
||||
new BigInteger("1075843080"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("4294967296"),
|
||||
new BigInteger("8606711808"),
|
||||
new BigInteger("17213489152"),
|
||||
new BigInteger("34426978560"),
|
||||
new BigInteger("68853957121"),
|
||||
new BigInteger("137707914242"),
|
||||
new BigInteger("275415828484"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1099511627776"),
|
||||
new BigInteger("2203318222848"),
|
||||
new BigInteger("4406653222912"),
|
||||
new BigInteger("8813306511360"),
|
||||
new BigInteger("17626613022976"),
|
||||
new BigInteger("35253226045953"),
|
||||
new BigInteger("70506452091906"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("281474976710656"),
|
||||
new BigInteger("564049465049088"),
|
||||
new BigInteger("1128103225065472"),
|
||||
new BigInteger("2256206466908160"),
|
||||
new BigInteger("4512412933881856"),
|
||||
new BigInteger("9024825867763968"),
|
||||
new BigInteger("18049651735527937"),
|
||||
},
|
||||
{
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("2"),
|
||||
new BigInteger("4"),
|
||||
new BigInteger("8"),
|
||||
new BigInteger("16"),
|
||||
new BigInteger("32"),
|
||||
new BigInteger("64"),
|
||||
new BigInteger("128"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("516"),
|
||||
new BigInteger("1032"),
|
||||
new BigInteger("2064"),
|
||||
new BigInteger("4128"),
|
||||
new BigInteger("8256"),
|
||||
new BigInteger("16512"),
|
||||
new BigInteger("32768"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("132104"),
|
||||
new BigInteger("264208"),
|
||||
new BigInteger("528416"),
|
||||
new BigInteger("1056832"),
|
||||
new BigInteger("2113664"),
|
||||
new BigInteger("4227072"),
|
||||
new BigInteger("8388608"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("33818640"),
|
||||
new BigInteger("67637280"),
|
||||
new BigInteger("135274560"),
|
||||
new BigInteger("270549120"),
|
||||
new BigInteger("541097984"),
|
||||
new BigInteger("1082130432"),
|
||||
new BigInteger("2147483648"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("8657571872"),
|
||||
new BigInteger("17315143744"),
|
||||
new BigInteger("34630287488"),
|
||||
new BigInteger("69260574720"),
|
||||
new BigInteger("138521083904"),
|
||||
new BigInteger("277025390592"),
|
||||
new BigInteger("549755813888"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("2216338399296"),
|
||||
new BigInteger("4432676798592"),
|
||||
new BigInteger("8865353596928"),
|
||||
new BigInteger("17730707128320"),
|
||||
new BigInteger("35461397479424"),
|
||||
new BigInteger("70918499991552"),
|
||||
new BigInteger("140737488355328"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("567382630219904"),
|
||||
new BigInteger("1134765260439552"),
|
||||
new BigInteger("2269530520813568"),
|
||||
new BigInteger("4539061024849920"),
|
||||
new BigInteger("9078117754732544"),
|
||||
new BigInteger("18155135997837312"),
|
||||
new BigInteger("36028797018963968"),
|
||||
new BigInteger("0"),
|
||||
},
|
||||
{
|
||||
new BigInteger("0"),
|
||||
new BigInteger("256"),
|
||||
new BigInteger("66048"),
|
||||
new BigInteger("16909312"),
|
||||
new BigInteger("4328785920"),
|
||||
new BigInteger("1108169199616"),
|
||||
new BigInteger("283691315109888"),
|
||||
new BigInteger("72624976668147712"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("65536"),
|
||||
new BigInteger("16908288"),
|
||||
new BigInteger("4328783872"),
|
||||
new BigInteger("1108169195520"),
|
||||
new BigInteger("283691315101696"),
|
||||
new BigInteger("72624976668131328"),
|
||||
new BigInteger("145249953336262656"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("16777216"),
|
||||
new BigInteger("4328521728"),
|
||||
new BigInteger("1108168671232"),
|
||||
new BigInteger("283691314053120"),
|
||||
new BigInteger("72624976666034176"),
|
||||
new BigInteger("145249953332068352"),
|
||||
new BigInteger("290499906664136704"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("4294967296"),
|
||||
new BigInteger("1108101562368"),
|
||||
new BigInteger("283691179835392"),
|
||||
new BigInteger("72624976397598720"),
|
||||
new BigInteger("145249952795197440"),
|
||||
new BigInteger("290499905590394880"),
|
||||
new BigInteger("580999811180789760"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1099511627776"),
|
||||
new BigInteger("283673999966208"),
|
||||
new BigInteger("72624942037860352"),
|
||||
new BigInteger("145249884075720704"),
|
||||
new BigInteger("290499768151441408"),
|
||||
new BigInteger("580999536302882816"),
|
||||
new BigInteger("1161999072605765632"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("281474976710656"),
|
||||
new BigInteger("72620543991349248"),
|
||||
new BigInteger("145241087982698496"),
|
||||
new BigInteger("290482175965396992"),
|
||||
new BigInteger("580964351930793984"),
|
||||
new BigInteger("1161928703861587968"),
|
||||
new BigInteger("2323857407723175936"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("72057594037927936"),
|
||||
new BigInteger("144115188075855872"),
|
||||
new BigInteger("288230376151711744"),
|
||||
new BigInteger("576460752303423488"),
|
||||
new BigInteger("1152921504606846976"),
|
||||
new BigInteger("2305843009213693952"),
|
||||
new BigInteger("4611686018427387904"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
},
|
||||
{
|
||||
new BigInteger("9241421688590303744"),
|
||||
new BigInteger("36099303471055872"),
|
||||
new BigInteger("141012904183808"),
|
||||
new BigInteger("550831656960"),
|
||||
new BigInteger("2151686144"),
|
||||
new BigInteger("8404992"),
|
||||
new BigInteger("32768"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("4620710844295151616"),
|
||||
new BigInteger("9241421688590303232"),
|
||||
new BigInteger("36099303471054848"),
|
||||
new BigInteger("141012904181760"),
|
||||
new BigInteger("550831652864"),
|
||||
new BigInteger("2151677952"),
|
||||
new BigInteger("8388608"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("2310355422147510272"),
|
||||
new BigInteger("4620710844295020544"),
|
||||
new BigInteger("9241421688590041088"),
|
||||
new BigInteger("36099303470530560"),
|
||||
new BigInteger("141012903133184"),
|
||||
new BigInteger("550829555712"),
|
||||
new BigInteger("2147483648"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1155177711056977920"),
|
||||
new BigInteger("2310355422113955840"),
|
||||
new BigInteger("4620710844227911680"),
|
||||
new BigInteger("9241421688455823360"),
|
||||
new BigInteger("36099303202095104"),
|
||||
new BigInteger("141012366262272"),
|
||||
new BigInteger("549755813888"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("577588851233521664"),
|
||||
new BigInteger("1155177702467043328"),
|
||||
new BigInteger("2310355404934086656"),
|
||||
new BigInteger("4620710809868173312"),
|
||||
new BigInteger("9241421619736346624"),
|
||||
new BigInteger("36099165763141632"),
|
||||
new BigInteger("140737488355328"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("288793326105133056"),
|
||||
new BigInteger("577586652210266112"),
|
||||
new BigInteger("1155173304420532224"),
|
||||
new BigInteger("2310346608841064448"),
|
||||
new BigInteger("4620693217682128896"),
|
||||
new BigInteger("9241386435364257792"),
|
||||
new BigInteger("36028797018963968"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("144115188075855872"),
|
||||
new BigInteger("288230376151711744"),
|
||||
new BigInteger("576460752303423488"),
|
||||
new BigInteger("1152921504606846976"),
|
||||
new BigInteger("2305843009213693952"),
|
||||
new BigInteger("4611686018427387904"),
|
||||
new BigInteger("9223372036854775808"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
|
||||
},
|
||||
};
|
||||
public static final BigInteger[][] ROOK_ATTACKS = {
|
||||
{
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1"),
|
||||
new BigInteger("2"),
|
||||
new BigInteger("4"),
|
||||
new BigInteger("8"),
|
||||
new BigInteger("16"),
|
||||
new BigInteger("32"),
|
||||
new BigInteger("64"),
|
||||
new BigInteger("128"),
|
||||
new BigInteger("257"),
|
||||
new BigInteger("514"),
|
||||
new BigInteger("1028"),
|
||||
new BigInteger("2056"),
|
||||
new BigInteger("4112"),
|
||||
new BigInteger("8224"),
|
||||
new BigInteger("16448"),
|
||||
new BigInteger("32896"),
|
||||
new BigInteger("65793"),
|
||||
new BigInteger("131586"),
|
||||
new BigInteger("263172"),
|
||||
new BigInteger("526344"),
|
||||
new BigInteger("1052688"),
|
||||
new BigInteger("2105376"),
|
||||
new BigInteger("4210752"),
|
||||
new BigInteger("8421504"),
|
||||
new BigInteger("16843009"),
|
||||
new BigInteger("33686018"),
|
||||
new BigInteger("67372036"),
|
||||
new BigInteger("134744072"),
|
||||
new BigInteger("269488144"),
|
||||
new BigInteger("538976288"),
|
||||
new BigInteger("1077952576"),
|
||||
new BigInteger("2155905152"),
|
||||
new BigInteger("4311810305"),
|
||||
new BigInteger("8623620610"),
|
||||
new BigInteger("17247241220"),
|
||||
new BigInteger("34494482440"),
|
||||
new BigInteger("68988964880"),
|
||||
new BigInteger("137977929760"),
|
||||
new BigInteger("275955859520"),
|
||||
new BigInteger("551911719040"),
|
||||
new BigInteger("1103823438081"),
|
||||
new BigInteger("2207646876162"),
|
||||
new BigInteger("4415293752324"),
|
||||
new BigInteger("8830587504648"),
|
||||
new BigInteger("17661175009296"),
|
||||
new BigInteger("35322350018592"),
|
||||
new BigInteger("70644700037184"),
|
||||
new BigInteger("141289400074368"),
|
||||
new BigInteger("282578800148737"),
|
||||
new BigInteger("565157600297474"),
|
||||
new BigInteger("1130315200594948"),
|
||||
new BigInteger("2260630401189896"),
|
||||
new BigInteger("4521260802379792"),
|
||||
new BigInteger("9042521604759584"),
|
||||
new BigInteger("18085043209519168"),
|
||||
new BigInteger("36170086419038336")
|
||||
},
|
||||
{
|
||||
new BigInteger("254"),
|
||||
new BigInteger("252"),
|
||||
new BigInteger("248"),
|
||||
new BigInteger("240"),
|
||||
new BigInteger("224"),
|
||||
new BigInteger("192"),
|
||||
new BigInteger("128"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("65024"),
|
||||
new BigInteger("64512"),
|
||||
new BigInteger("63488"),
|
||||
new BigInteger("61440"),
|
||||
new BigInteger("57344"),
|
||||
new BigInteger("49152"),
|
||||
new BigInteger("32768"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("16646144"),
|
||||
new BigInteger("16515072"),
|
||||
new BigInteger("16252928"),
|
||||
new BigInteger("15728640"),
|
||||
new BigInteger("14680064"),
|
||||
new BigInteger("12582912"),
|
||||
new BigInteger("8388608"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("4261412864"),
|
||||
new BigInteger("4227858432"),
|
||||
new BigInteger("4160749568"),
|
||||
new BigInteger("4026531840"),
|
||||
new BigInteger("3758096384"),
|
||||
new BigInteger("3221225472"),
|
||||
new BigInteger("2147483648"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1090921693184"),
|
||||
new BigInteger("1082331758592"),
|
||||
new BigInteger("1065151889408"),
|
||||
new BigInteger("1030792151040"),
|
||||
new BigInteger("962072674304"),
|
||||
new BigInteger("824633720832"),
|
||||
new BigInteger("549755813888"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("279275953455104"),
|
||||
new BigInteger("277076930199552"),
|
||||
new BigInteger("272678883688448"),
|
||||
new BigInteger("263882790666240"),
|
||||
new BigInteger("246290604621824"),
|
||||
new BigInteger("211106232532992"),
|
||||
new BigInteger("140737488355328"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("71494644084506624"),
|
||||
new BigInteger("70931694131085312"),
|
||||
new BigInteger("69805794224242688"),
|
||||
new BigInteger("67553994410557440"),
|
||||
new BigInteger("63050394783186944"),
|
||||
new BigInteger("54043195528445952"),
|
||||
new BigInteger("36028797018963968"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("18302628885633695744"),
|
||||
new BigInteger("18158513697557839872"),
|
||||
new BigInteger("17870283321406128128"),
|
||||
new BigInteger("17293822569102704640"),
|
||||
new BigInteger("16140901064495857664"),
|
||||
new BigInteger("13835058055282163712"),
|
||||
new BigInteger("9223372036854775808"),
|
||||
new BigInteger("0")
|
||||
},
|
||||
{
|
||||
new BigInteger("72340172838076672"),
|
||||
new BigInteger("144680345676153344"),
|
||||
new BigInteger("289360691352306688"),
|
||||
new BigInteger("578721382704613376"),
|
||||
new BigInteger("1157442765409226752"),
|
||||
new BigInteger("2314885530818453504"),
|
||||
new BigInteger("4629771061636907008"),
|
||||
new BigInteger("9259542123273814016"),
|
||||
new BigInteger("72340172838076416"),
|
||||
new BigInteger("144680345676152832"),
|
||||
new BigInteger("289360691352305664"),
|
||||
new BigInteger("578721382704611328"),
|
||||
new BigInteger("1157442765409222656"),
|
||||
new BigInteger("2314885530818445312"),
|
||||
new BigInteger("4629771061636890624"),
|
||||
new BigInteger("9259542123273781248"),
|
||||
new BigInteger("72340172838010880"),
|
||||
new BigInteger("144680345676021760"),
|
||||
new BigInteger("289360691352043520"),
|
||||
new BigInteger("578721382704087040"),
|
||||
new BigInteger("1157442765408174080"),
|
||||
new BigInteger("2314885530816348160"),
|
||||
new BigInteger("4629771061632696320"),
|
||||
new BigInteger("9259542123265392640"),
|
||||
new BigInteger("72340172821233664"),
|
||||
new BigInteger("144680345642467328"),
|
||||
new BigInteger("289360691284934656"),
|
||||
new BigInteger("578721382569869312"),
|
||||
new BigInteger("1157442765139738624"),
|
||||
new BigInteger("2314885530279477248"),
|
||||
new BigInteger("4629771060558954496"),
|
||||
new BigInteger("9259542121117908992"),
|
||||
new BigInteger("72340168526266368"),
|
||||
new BigInteger("144680337052532736"),
|
||||
new BigInteger("289360674105065472"),
|
||||
new BigInteger("578721348210130944"),
|
||||
new BigInteger("1157442696420261888"),
|
||||
new BigInteger("2314885392840523776"),
|
||||
new BigInteger("4629770785681047552"),
|
||||
new BigInteger("9259541571362095104"),
|
||||
new BigInteger("72339069014638592"),
|
||||
new BigInteger("144678138029277184"),
|
||||
new BigInteger("289356276058554368"),
|
||||
new BigInteger("578712552117108736"),
|
||||
new BigInteger("1157425104234217472"),
|
||||
new BigInteger("2314850208468434944"),
|
||||
new BigInteger("4629700416936869888"),
|
||||
new BigInteger("9259400833873739776"),
|
||||
new BigInteger("72057594037927936"),
|
||||
new BigInteger("144115188075855872"),
|
||||
new BigInteger("288230376151711744"),
|
||||
new BigInteger("576460752303423488"),
|
||||
new BigInteger("1152921504606846976"),
|
||||
new BigInteger("2305843009213693952"),
|
||||
new BigInteger("4611686018427387904"),
|
||||
new BigInteger("9223372036854775808"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("0")
|
||||
},
|
||||
{
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1"),
|
||||
new BigInteger("3"),
|
||||
new BigInteger("7"),
|
||||
new BigInteger("15"),
|
||||
new BigInteger("31"),
|
||||
new BigInteger("63"),
|
||||
new BigInteger("127"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("256"),
|
||||
new BigInteger("768"),
|
||||
new BigInteger("1792"),
|
||||
new BigInteger("3840"),
|
||||
new BigInteger("7936"),
|
||||
new BigInteger("16128"),
|
||||
new BigInteger("32512"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("65536"),
|
||||
new BigInteger("196608"),
|
||||
new BigInteger("458752"),
|
||||
new BigInteger("983040"),
|
||||
new BigInteger("2031616"),
|
||||
new BigInteger("4128768"),
|
||||
new BigInteger("8323072"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("16777216"),
|
||||
new BigInteger("50331648"),
|
||||
new BigInteger("117440512"),
|
||||
new BigInteger("251658240"),
|
||||
new BigInteger("520093696"),
|
||||
new BigInteger("1056964608"),
|
||||
new BigInteger("2130706432"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("4294967296"),
|
||||
new BigInteger("12884901888"),
|
||||
new BigInteger("30064771072"),
|
||||
new BigInteger("64424509440"),
|
||||
new BigInteger("133143986176"),
|
||||
new BigInteger("270582939648"),
|
||||
new BigInteger("545460846592"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("1099511627776"),
|
||||
new BigInteger("3298534883328"),
|
||||
new BigInteger("7696581394432"),
|
||||
new BigInteger("16492674416640"),
|
||||
new BigInteger("34084860461056"),
|
||||
new BigInteger("69269232549888"),
|
||||
new BigInteger("139637976727552"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("281474976710656"),
|
||||
new BigInteger("844424930131968"),
|
||||
new BigInteger("1970324836974592"),
|
||||
new BigInteger("4222124650659840"),
|
||||
new BigInteger("8725724278030336"),
|
||||
new BigInteger("17732923532771328"),
|
||||
new BigInteger("35747322042253312"),
|
||||
new BigInteger("0"),
|
||||
new BigInteger("72057594037927936"),
|
||||
new BigInteger("216172782113783808"),
|
||||
new BigInteger("504403158265495552"),
|
||||
new BigInteger("1080863910568919040"),
|
||||
new BigInteger("2233785415175766016"),
|
||||
new BigInteger("4539628424389459968"),
|
||||
new BigInteger("9151314442816847872")
|
||||
}
|
||||
};
|
||||
|
||||
public static final BigInteger[] WHITE_PAWN_ATTACKS = {
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(2),
|
||||
BigInteger.valueOf(5),
|
||||
BigInteger.valueOf(10),
|
||||
BigInteger.valueOf(20),
|
||||
BigInteger.valueOf(40),
|
||||
BigInteger.valueOf(80),
|
||||
BigInteger.valueOf(160),
|
||||
BigInteger.valueOf(64),
|
||||
BigInteger.valueOf(512),
|
||||
BigInteger.valueOf(1280),
|
||||
BigInteger.valueOf(2560),
|
||||
BigInteger.valueOf(5120),
|
||||
BigInteger.valueOf(10240),
|
||||
BigInteger.valueOf(20480),
|
||||
BigInteger.valueOf(40960),
|
||||
BigInteger.valueOf(16384),
|
||||
BigInteger.valueOf(131072),
|
||||
BigInteger.valueOf(327680),
|
||||
BigInteger.valueOf(655360),
|
||||
BigInteger.valueOf(1310720),
|
||||
BigInteger.valueOf(2621440),
|
||||
BigInteger.valueOf(5242880),
|
||||
BigInteger.valueOf(10485760),
|
||||
BigInteger.valueOf(4194304),
|
||||
BigInteger.valueOf(33554432),
|
||||
BigInteger.valueOf(83886080),
|
||||
BigInteger.valueOf(167772160L),
|
||||
BigInteger.valueOf(335544320L),
|
||||
BigInteger.valueOf(671088640L),
|
||||
BigInteger.valueOf(1342177280L),
|
||||
BigInteger.valueOf(2684354560L),
|
||||
BigInteger.valueOf(1073741824L),
|
||||
BigInteger.valueOf(8589934592L),
|
||||
BigInteger.valueOf(21474836480L),
|
||||
BigInteger.valueOf(42949672960L),
|
||||
BigInteger.valueOf(85899345920L),
|
||||
BigInteger.valueOf(171798691840L),
|
||||
BigInteger.valueOf(343597383680L),
|
||||
BigInteger.valueOf(687194767360L),
|
||||
BigInteger.valueOf(274877906944L),
|
||||
BigInteger.valueOf(2199023255552L),
|
||||
BigInteger.valueOf(5497558138880L),
|
||||
BigInteger.valueOf(10995116277760L),
|
||||
BigInteger.valueOf(21990232555520L),
|
||||
BigInteger.valueOf(43980465111040L),
|
||||
BigInteger.valueOf(87960930222080L),
|
||||
BigInteger.valueOf(175921860444160L),
|
||||
BigInteger.valueOf(70368744177664L),
|
||||
BigInteger.valueOf(562949953421312L),
|
||||
BigInteger.valueOf(1407374883553280L),
|
||||
BigInteger.valueOf(2814749767106560L),
|
||||
BigInteger.valueOf(5629499534213120L),
|
||||
BigInteger.valueOf(11258999068426240L),
|
||||
BigInteger.valueOf(22517998136852480L),
|
||||
BigInteger.valueOf(45035996273704960L),
|
||||
BigInteger.valueOf(18014398509481984L)
|
||||
};
|
||||
public static final BigInteger[] BLACK_PAWN_ATTACKS = {
|
||||
BigInteger.valueOf(512),
|
||||
BigInteger.valueOf(1280),
|
||||
BigInteger.valueOf(2560),
|
||||
BigInteger.valueOf(5120),
|
||||
BigInteger.valueOf(10240),
|
||||
BigInteger.valueOf(20480),
|
||||
BigInteger.valueOf(40960),
|
||||
BigInteger.valueOf(16384),
|
||||
BigInteger.valueOf(131072),
|
||||
BigInteger.valueOf(327680),
|
||||
BigInteger.valueOf(655360),
|
||||
BigInteger.valueOf(1310720),
|
||||
BigInteger.valueOf(2621440),
|
||||
BigInteger.valueOf(5242880),
|
||||
BigInteger.valueOf(10485760),
|
||||
BigInteger.valueOf(4194304),
|
||||
BigInteger.valueOf(33554432),
|
||||
BigInteger.valueOf(83886080),
|
||||
BigInteger.valueOf(167772160),
|
||||
BigInteger.valueOf(335544320),
|
||||
BigInteger.valueOf(671088640),
|
||||
BigInteger.valueOf(1342177280),
|
||||
BigInteger.valueOf(2684354560L),
|
||||
BigInteger.valueOf(1073741824),
|
||||
BigInteger.valueOf(8589934592L),
|
||||
BigInteger.valueOf(21474836480L),
|
||||
BigInteger.valueOf(42949672960L),
|
||||
BigInteger.valueOf(85899345920L),
|
||||
BigInteger.valueOf(171798691840L),
|
||||
BigInteger.valueOf(343597383680L),
|
||||
BigInteger.valueOf(687194767360L),
|
||||
BigInteger.valueOf(274877906944L),
|
||||
BigInteger.valueOf(2199023255552L),
|
||||
BigInteger.valueOf(5497558138880L),
|
||||
BigInteger.valueOf(10995116277760L),
|
||||
BigInteger.valueOf(21990232555520L),
|
||||
BigInteger.valueOf(43980465111040L),
|
||||
BigInteger.valueOf(87960930222080L),
|
||||
BigInteger.valueOf(175921860444160L),
|
||||
BigInteger.valueOf(70368744177664L),
|
||||
BigInteger.valueOf(562949953421312L),
|
||||
BigInteger.valueOf(1407374883553280L),
|
||||
BigInteger.valueOf(2814749767106560L),
|
||||
BigInteger.valueOf(5629499534213120L),
|
||||
BigInteger.valueOf(11258999068426240L),
|
||||
BigInteger.valueOf(22517998136852480L),
|
||||
BigInteger.valueOf(45035996273704960L),
|
||||
BigInteger.valueOf(18014398509481984L),
|
||||
BigInteger.valueOf(144115188075855872L),
|
||||
BigInteger.valueOf(360287970189639680L),
|
||||
BigInteger.valueOf(720575940379279360L),
|
||||
BigInteger.valueOf(1441151880758558720L),
|
||||
BigInteger.valueOf(2882303761517117440L),
|
||||
BigInteger.valueOf(5764607523034234880L),
|
||||
new BigInteger("11529215046068469760"),
|
||||
BigInteger.valueOf(4611686018427387904L),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0),
|
||||
BigInteger.valueOf(0)
|
||||
};
|
||||
|
||||
public static final BigInteger[] KING_ATTACKS = {
|
||||
new BigInteger("770"),
|
||||
new BigInteger("1797"),
|
||||
new BigInteger("3594"),
|
||||
new BigInteger("7188"),
|
||||
new BigInteger("14376"),
|
||||
new BigInteger("28752"),
|
||||
new BigInteger("57504"),
|
||||
new BigInteger("49216"),
|
||||
new BigInteger("197123"),
|
||||
new BigInteger("460039"),
|
||||
new BigInteger("920078"),
|
||||
new BigInteger("1840156"),
|
||||
new BigInteger("3680312"),
|
||||
new BigInteger("7360624"),
|
||||
new BigInteger("14721248"),
|
||||
new BigInteger("12599488"),
|
||||
new BigInteger("50463488"),
|
||||
new BigInteger("117769984"),
|
||||
new BigInteger("235539968"),
|
||||
new BigInteger("471079936"),
|
||||
new BigInteger("942159872"),
|
||||
new BigInteger("1884319744"),
|
||||
new BigInteger("3768639488"),
|
||||
new BigInteger("3225468928"),
|
||||
new BigInteger("12918652928"),
|
||||
new BigInteger("30149115904"),
|
||||
new BigInteger("60298231808"),
|
||||
new BigInteger("120596463616"),
|
||||
new BigInteger("241192927232"),
|
||||
new BigInteger("482385854464"),
|
||||
new BigInteger("964771708928"),
|
||||
new BigInteger("825720045568"),
|
||||
new BigInteger("3307175149568"),
|
||||
new BigInteger("7718173671424"),
|
||||
new BigInteger("15436347342848"),
|
||||
new BigInteger("30872694685696"),
|
||||
new BigInteger("61745389371392"),
|
||||
new BigInteger("123490778742784"),
|
||||
new BigInteger("246981557485568"),
|
||||
new BigInteger("211384331665408"),
|
||||
new BigInteger("846636838289408"),
|
||||
new BigInteger("1975852459884544"),
|
||||
new BigInteger("3951704919769088"),
|
||||
new BigInteger("7903409839538176"),
|
||||
new BigInteger("15806819679076352"),
|
||||
new BigInteger("31613639358152704"),
|
||||
new BigInteger("63227278716305408"),
|
||||
new BigInteger("54114388906344448"),
|
||||
new BigInteger("216739030602088448"),
|
||||
new BigInteger("505818229730443264"),
|
||||
new BigInteger("1011636459460886528"),
|
||||
new BigInteger("2023272918921773056"),
|
||||
new BigInteger("4046545837843546112"),
|
||||
new BigInteger("8093091675687092224"),
|
||||
new BigInteger("16186183351374184448"),
|
||||
new BigInteger("13853283560024178688"),
|
||||
new BigInteger("144959613005987840"),
|
||||
new BigInteger("362258295026614272"),
|
||||
new BigInteger("724516590053228544"),
|
||||
new BigInteger("1449033180106457088"),
|
||||
new BigInteger("2898066360212914176"),
|
||||
new BigInteger("5796132720425828352"),
|
||||
new BigInteger("11592265440851656704"),
|
||||
new BigInteger("4665729213955833856")
|
||||
};
|
||||
|
||||
public static final BigInteger[] SQUARE_BBS = {
|
||||
new BigInteger("1"),
|
||||
new BigInteger("2"),
|
||||
new BigInteger("4"),
|
||||
new BigInteger("8"),
|
||||
new BigInteger("16"),
|
||||
new BigInteger("32"),
|
||||
new BigInteger("64"),
|
||||
new BigInteger("128"),
|
||||
new BigInteger("256"),
|
||||
new BigInteger("512"),
|
||||
new BigInteger("1024"),
|
||||
new BigInteger("2048"),
|
||||
new BigInteger("4096"),
|
||||
new BigInteger("8192"),
|
||||
new BigInteger("16384"),
|
||||
new BigInteger("32768"),
|
||||
new BigInteger("65536"),
|
||||
new BigInteger("131072"),
|
||||
new BigInteger("262144"),
|
||||
new BigInteger("524288"),
|
||||
new BigInteger("1048576"),
|
||||
new BigInteger("2097152"),
|
||||
new BigInteger("4194304"),
|
||||
new BigInteger("8388608"),
|
||||
new BigInteger("16777216"),
|
||||
new BigInteger("33554432"),
|
||||
new BigInteger("67108864"),
|
||||
new BigInteger("134217728"),
|
||||
new BigInteger("268435456"),
|
||||
new BigInteger("536870912"),
|
||||
new BigInteger("1073741824"),
|
||||
new BigInteger("2147483648"),
|
||||
new BigInteger("4294967296"),
|
||||
new BigInteger("8589934592"),
|
||||
new BigInteger("17179869184"),
|
||||
new BigInteger("34359738368"),
|
||||
new BigInteger("68719476736"),
|
||||
new BigInteger("137438953472"),
|
||||
new BigInteger("274877906944"),
|
||||
new BigInteger("549755813888"),
|
||||
new BigInteger("1099511627776"),
|
||||
new BigInteger("2199023255552"),
|
||||
new BigInteger("4398046511104"),
|
||||
new BigInteger("8796093022208"),
|
||||
new BigInteger("17592186044416"),
|
||||
new BigInteger("35184372088832"),
|
||||
new BigInteger("70368744177664"),
|
||||
new BigInteger("140737488355328"),
|
||||
new BigInteger("281474976710656"),
|
||||
new BigInteger("562949953421312"),
|
||||
new BigInteger("1125899906842624"),
|
||||
new BigInteger("2251799813685248"),
|
||||
new BigInteger("4503599627370496"),
|
||||
new BigInteger("9007199254740992"),
|
||||
new BigInteger("18014398509481984"),
|
||||
new BigInteger("36028797018963968"),
|
||||
new BigInteger("72057594037927936"),
|
||||
new BigInteger("144115188075855872"),
|
||||
new BigInteger("288230376151711744"),
|
||||
new BigInteger("576460752303423488"),
|
||||
new BigInteger("1152921504606846976"),
|
||||
new BigInteger("2305843009213693952"),
|
||||
new BigInteger("4611686018427387904"),
|
||||
new BigInteger("9223372036854775808"),
|
||||
};
|
||||
|
||||
//#endregion
|
||||
|
||||
}
|
||||
245
Java/MoveUtils.java
Normal file
245
Java/MoveUtils.java
Normal file
@@ -0,0 +1,245 @@
|
||||
import java.math.BigInteger;
|
||||
|
||||
public class MoveUtils
|
||||
{
|
||||
|
||||
static final int BISHOP_UP_LEFT = 0;
|
||||
static final int BISHOP_UP_RIGHT = 1;
|
||||
static final int BISHOP_DOWN_LEFT = 2;
|
||||
static final int BISHOP_DOWN_RIGHT = 3;
|
||||
|
||||
static final int ROOK_UP = 0;
|
||||
static final int ROOK_DOWN = 2;
|
||||
static final int ROOK_LEFT = 3;
|
||||
static final int ROOK_RIGHT = 1;
|
||||
|
||||
public static int BitScanForward(BigInteger bitboard)
|
||||
{
|
||||
int index = 0;
|
||||
while (bitboard.and(BigInteger.ONE.shiftLeft(index)).equals(BigInteger.ZERO))
|
||||
{
|
||||
index++;
|
||||
}
|
||||
return index;
|
||||
}
|
||||
|
||||
public static BigInteger GetRookMovesSeparate(BigInteger combined_occ, int square)
|
||||
{
|
||||
BigInteger combinedAttacks = BigInteger.ZERO;
|
||||
|
||||
BigInteger rookAttackUp = MoveConstants.ROOK_ATTACKS[ROOK_UP][square];
|
||||
BigInteger rookAndOccs = rookAttackUp.and(combined_occ);
|
||||
if (!rookAndOccs.equals(BigInteger.ZERO))
|
||||
{
|
||||
BigInteger lastValue = rookAndOccs;
|
||||
for (int i = 0; i < 8; i++)
|
||||
{
|
||||
rookAndOccs = rookAndOccs.and(rookAndOccs.subtract(BigInteger.ONE));
|
||||
if (rookAndOccs.equals(BigInteger.ZERO))
|
||||
{
|
||||
int endSquare = BitScanForward(lastValue); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
break;
|
||||
}
|
||||
lastValue = rookAndOccs;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
combinedAttacks = combinedAttacks.or(rookAttackUp);
|
||||
}
|
||||
// Pr.println("Rook up");
|
||||
//Pr.printBigIntegerLn(combinedAttacks);
|
||||
|
||||
BigInteger rookAttackLeft = MoveConstants.ROOK_ATTACKS[ROOK_LEFT][square];
|
||||
rookAndOccs = rookAttackLeft.and(combined_occ);
|
||||
if (!rookAndOccs.equals(BigInteger.ZERO))
|
||||
{
|
||||
BigInteger lastValue = rookAndOccs;
|
||||
for (int i = 0; i < 8; i++)
|
||||
{
|
||||
rookAndOccs = rookAndOccs.and(rookAndOccs.subtract(BigInteger.ONE));
|
||||
if (rookAndOccs.equals(BigInteger.ZERO))
|
||||
{
|
||||
int endSquare = BitScanForward(lastValue); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
break;
|
||||
}
|
||||
lastValue = rookAndOccs;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
combinedAttacks = combinedAttacks.or(rookAttackLeft);
|
||||
}
|
||||
//Pr.println("Rook left");
|
||||
//Pr.printBigIntegerLn(combinedAttacks);
|
||||
|
||||
BigInteger rookAttackDown = MoveConstants.ROOK_ATTACKS[ROOK_DOWN][square];
|
||||
rookAndOccs = rookAttackDown.and(combined_occ);
|
||||
if (!rookAndOccs.equals(BigInteger.ZERO))
|
||||
{
|
||||
int endSquare = BitScanForward(rookAndOccs); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
}
|
||||
else
|
||||
{
|
||||
combinedAttacks = combinedAttacks.or(rookAttackDown);
|
||||
}
|
||||
// Pr.println("Rook down");
|
||||
// Pr.printBigIntegerLn(combinedAttacks);
|
||||
|
||||
BigInteger rookAttackRight = MoveConstants.ROOK_ATTACKS[ROOK_RIGHT][square];
|
||||
rookAndOccs = rookAttackRight.and(combined_occ);
|
||||
if (!rookAndOccs.equals(BigInteger.ZERO))
|
||||
{
|
||||
int endSquare = BitScanForward(rookAndOccs); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
}
|
||||
else
|
||||
{
|
||||
combinedAttacks = combinedAttacks.or(rookAttackRight);
|
||||
}
|
||||
// Pr.println("Rook right");
|
||||
// Pr.printBigIntegerLn(combinedAttacks);
|
||||
|
||||
return combinedAttacks;
|
||||
}
|
||||
|
||||
public static BigInteger GetBishopMovesSeparate(BigInteger combined_occ, int square)
|
||||
{
|
||||
|
||||
//Pr.printIntLn(square);
|
||||
//Pr.printSquareLn(square);
|
||||
|
||||
BigInteger combinedAttacks = BigInteger.ZERO;
|
||||
|
||||
BigInteger bishopAttackUpLeft = MoveConstants.BISHOP_ATTACKS[BISHOP_UP_LEFT][square];
|
||||
BigInteger bishopAndOccs = bishopAttackUpLeft.and(combined_occ);
|
||||
if (!bishopAndOccs.equals(BigInteger.ZERO)) {
|
||||
BigInteger lastValue = bishopAndOccs;
|
||||
for (int i = 0; i < 8; i++) {
|
||||
bishopAndOccs = bishopAndOccs.and(bishopAndOccs.subtract(BigInteger.ONE));
|
||||
if (bishopAndOccs.equals(BigInteger.ZERO)) {
|
||||
int endSquare = BitScanForward(lastValue); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
break;
|
||||
}
|
||||
lastValue = bishopAndOccs;
|
||||
}
|
||||
} else {
|
||||
combinedAttacks = combinedAttacks.or(bishopAttackUpLeft);
|
||||
}
|
||||
// Pr.println("Bishop up left");
|
||||
//Pr.printBigIntegerLn(combinedAttacks);
|
||||
|
||||
BigInteger bishopAttackUpRight = MoveConstants.BISHOP_ATTACKS[BISHOP_UP_RIGHT][square];
|
||||
bishopAndOccs = bishopAttackUpRight.and(combined_occ);
|
||||
if (!bishopAndOccs.equals(BigInteger.ZERO)) {
|
||||
BigInteger lastValue = bishopAndOccs;
|
||||
for (int i = 0; i < 8; i++) {
|
||||
bishopAndOccs = bishopAndOccs.and(bishopAndOccs.subtract(BigInteger.ONE));
|
||||
if (bishopAndOccs.equals(BigInteger.ZERO)) {
|
||||
int endSquare = BitScanForward(lastValue); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
break;
|
||||
}
|
||||
lastValue = bishopAndOccs;
|
||||
}
|
||||
} else {
|
||||
combinedAttacks = combinedAttacks.or(bishopAttackUpRight);
|
||||
}
|
||||
// Pr.println("Bishop up right");
|
||||
// Pr.printBigIntegerLn(combinedAttacks);
|
||||
|
||||
BigInteger bishopAttackDownLeft = MoveConstants.BISHOP_ATTACKS[BISHOP_DOWN_LEFT][square];
|
||||
|
||||
// Pr.println("down left bitboard");
|
||||
// Pr.printBigIntegerLn(bishopAttackDownLeft);
|
||||
// Pr.println("__________");
|
||||
|
||||
bishopAndOccs = bishopAttackDownLeft.and(combined_occ);
|
||||
if (!bishopAndOccs.equals(BigInteger.ZERO)) {
|
||||
int endSquare = BitScanForward(bishopAndOccs); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
} else {
|
||||
combinedAttacks = combinedAttacks.or(bishopAttackDownLeft);
|
||||
}
|
||||
// Pr.println("Bishop down left");
|
||||
// Pr.printBigIntegerLn(combinedAttacks);
|
||||
|
||||
BigInteger bishopAttackDownRight = MoveConstants.BISHOP_ATTACKS[BISHOP_DOWN_RIGHT][square];
|
||||
bishopAndOccs = bishopAttackDownRight.and(combined_occ);
|
||||
if (!bishopAndOccs.equals(BigInteger.ZERO)) {
|
||||
int endSquare = BitScanForward(bishopAndOccs); // Implement this method
|
||||
combinedAttacks = combinedAttacks.or(Inb.INBETWEEN_BITBOARDS[square][endSquare]);
|
||||
} else {
|
||||
combinedAttacks = combinedAttacks.or(bishopAttackDownRight);
|
||||
}
|
||||
// Pr.println("Bishop down right");
|
||||
// Pr.printBigIntegerLn(combinedAttacks);
|
||||
return combinedAttacks;
|
||||
}
|
||||
|
||||
public static Boolean Is_Square_Attacked_By_Black_Global(int square, BigInteger occupancy)
|
||||
{
|
||||
|
||||
if (Board.bitboard_array_global[GenConst.BP].and(MoveConstants.WHITE_PAWN_ATTACKS[square]).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.BN].and(MoveConstants.KNIGHT_ATTACKS[square]).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.BK].and(MoveConstants.KING_ATTACKS[square]).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
BigInteger bishopAttacks = MoveUtils.GetBishopMovesSeparate(occupancy, square);
|
||||
if (Board.bitboard_array_global[GenConst.BB].and(bishopAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.BQ].and(bishopAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
BigInteger rookAttacks = MoveUtils.GetRookMovesSeparate(occupancy, square);
|
||||
if (Board.bitboard_array_global[GenConst.BR].and(rookAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.BQ].and(rookAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
public static Boolean Is_Square_Attacked_By_White_Global(int square, BigInteger occupancy)
|
||||
{
|
||||
|
||||
if (Board.bitboard_array_global[GenConst.WP].and(MoveConstants.BLACK_PAWN_ATTACKS[square]).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.WN].and(MoveConstants.KNIGHT_ATTACKS[square]).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.WK].and(MoveConstants.KING_ATTACKS[square]).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
BigInteger bishopAttacks = MoveUtils.GetBishopMovesSeparate(occupancy, square);
|
||||
if (Board.bitboard_array_global[GenConst.WB].and(bishopAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.WQ].and(bishopAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
BigInteger rookAttacks = MoveUtils.GetRookMovesSeparate(occupancy, square);
|
||||
if (Board.bitboard_array_global[GenConst.WR].and(rookAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
if (Board.bitboard_array_global[GenConst.WQ].and(rookAttacks).signum() != 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
4133
Java/Perft.java
Normal file
4133
Java/Perft.java
Normal file
File diff suppressed because it is too large
Load Diff
39
Java/Pr.java
Normal file
39
Java/Pr.java
Normal file
@@ -0,0 +1,39 @@
|
||||
import java.math.BigInteger;
|
||||
|
||||
public class Pr {
|
||||
|
||||
public static void print(String input)
|
||||
{
|
||||
System.out.print(input);
|
||||
}
|
||||
public static void println(String input)
|
||||
{
|
||||
System.out.println(input);
|
||||
}
|
||||
public static void printInt(int input)
|
||||
{
|
||||
System.out.print(input);
|
||||
}
|
||||
public static void printIntLn(int input)
|
||||
{
|
||||
System.out.println(input);
|
||||
}
|
||||
public static void printBigInteger(BigInteger input)
|
||||
{
|
||||
System.out.print(input);
|
||||
}
|
||||
public static void printBigIntegerLn(BigInteger input)
|
||||
{
|
||||
System.out.println(input);
|
||||
}
|
||||
|
||||
|
||||
|
||||
public static void printSquareLn(int input)
|
||||
{
|
||||
assert input >= 0 && input < 64 : "Invalid square: " + input;
|
||||
|
||||
System.out.print(GenConst.SQ_CHAR_X[input]);
|
||||
System.out.println(GenConst.SQ_CHAR_Y[input]);
|
||||
}
|
||||
}
|
||||
72
Java/Testing.java
Normal file
72
Java/Testing.java
Normal file
@@ -0,0 +1,72 @@
|
||||
import java.math.BigInteger;
|
||||
|
||||
public class Testing
|
||||
{
|
||||
|
||||
public static void testRookMoves()
|
||||
{
|
||||
int rookSquare = 36;
|
||||
|
||||
BigInteger WP_STARTING_POSITIONS = new BigInteger("71776119061217280");
|
||||
BigInteger BP_STARTING_POSITIONS = new BigInteger("65280");
|
||||
BigInteger COMBINED_OCC = WP_STARTING_POSITIONS.or(BP_STARTING_POSITIONS);
|
||||
|
||||
BigInteger rookMoves = MoveUtils.GetRookMovesSeparate(COMBINED_OCC, rookSquare);
|
||||
Bitboard.printBigInteger(rookMoves);
|
||||
}
|
||||
|
||||
public static void TestKnightMoves()
|
||||
{
|
||||
BigInteger MAX_BIGINT = new BigInteger("18446744073709551615"); // Max u64 value
|
||||
BigInteger knightBitboard = BigInteger.ZERO;
|
||||
knightBitboard = knightBitboard.setBit(45);
|
||||
knightBitboard = knightBitboard.setBit(42);
|
||||
|
||||
Bitboard.printBigInteger(knightBitboard);
|
||||
Bitboard.printBigInteger(MAX_BIGINT);
|
||||
|
||||
BigInteger tempBitboard = knightBitboard;
|
||||
|
||||
while (!tempBitboard.equals(BigInteger.ZERO))
|
||||
{
|
||||
int knightSquare = Bitboard.bitScanForwardSlow(tempBitboard);
|
||||
tempBitboard = tempBitboard.clearBit(knightSquare);
|
||||
|
||||
Pr.println("Knight square: " + knightSquare);
|
||||
|
||||
if (knightSquare == -1)
|
||||
{
|
||||
Pr.println("Error knight sq -1");
|
||||
break;
|
||||
}
|
||||
|
||||
BigInteger knightAttacks = MoveConstants.KNIGHT_ATTACKS[knightSquare];
|
||||
Pr.println("Knight on square " + knightSquare);
|
||||
Bitboard.printBigInteger(knightAttacks);
|
||||
}
|
||||
}
|
||||
|
||||
public static void printRookMoves()
|
||||
{
|
||||
for (int direction = 0; direction < 4; direction++)
|
||||
{
|
||||
Pr.println("direction: " + direction);
|
||||
for (int sq = 0; sq < 64; sq++)
|
||||
{
|
||||
Bitboard.printBigInteger(MoveConstants.ROOK_ATTACKS[direction][sq]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void printBishopMoves()
|
||||
{
|
||||
for (int direction = 0; direction < 4; direction++)
|
||||
{
|
||||
Pr.println("direction: " + direction);
|
||||
for (int sq = 0; sq < 64; sq++)
|
||||
{
|
||||
Bitboard.printBigInteger(MoveConstants.BISHOP_ATTACKS[direction][sq]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user