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• rivalchess-engine
• 18.0.1
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• PieceSquareTables.kt

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com.netsensia.rivalchess.engine.eval.PieceSquareTables.kt Maven / Gradle / Ivy

package com.netsensia.rivalchess.engine.eval

val pawnPieceSquareTable = intArrayOf(
        0, 0, 0, 0, 0, 0, 0, 0,
        -6, 4, 4, -15, -15, 4, 4, -6,
        -6, 4, 2, 5, 5, 2, 4, -6,
        -6, 4, 5, 16, 16, 5, 4, -6,
        -5, 4, 10, 20, 20, 10, 4, -5,
        3, 12, 20, 28, 28, 20, 12, 3,
        8, 16, 24, 32, 32, 24, 16, 8,
        0, 0, 0, 0, 0, 0, 0, 0)

val pawnEndGamePieceSquareTable = intArrayOf(
        0, 0, 0, 0, 0, 0, 0, 0,
        -20, 0, 0, 0, 0, 0, 0, -20,
        -15, 5, 5, 5, 5, 5, 5, -15,
        -10, 10, 10, 10, 10, 10, 10, -10,
        5, 25, 25, 25, 25, 25, 25, 5,
        20, 30, 35, 35, 35, 35, 30, 20,
        25, 40, 45, 45, 45, 45, 40, 25,
        0, 0, 0, 0, 0, 0, 0, 0
)

val knightPieceSquareTable = intArrayOf(
        -50, -40, -30, -20, -20, -30, -40, -50,
        -40, -30, -10, 0, 0, -10, -30, -40,
        -20, -10, 0, 0, 0, 0, -10, -20,
        -17, 0, 3, 20, 20, 3, 0, -17,
        -17, 0, 10, 20, 20, 10, 0, -17,
        -20, 5, 7, 15, 15, 7, 5, -20,
        -40, -30, -10, 0, 0, -10, -30, -40,
        -50, -40, -30, -20, -20, -30, -40, -50
)

val knightEndGamePieceSquareTable = intArrayOf(
        -50, -40, -30, -20, -20, -30, -40, -50,
        -40, -30, -10, -5, -5, -10, -30, -40,
        -30, -10, 0, 10, 10, 0, -10, -30,
        -20, -5, 10, 20, 20, 10, -5, -20,
        -20, -5, 10, 20, 20, 10, -5, -20,
        -30, -10, 0, 10, 10, 0, -10, -30,
        -40, -30, -10, -5, -5, -10, -30, -40,
        -50, -40, -30, -20, -20, -30, -40, -50
)

val bishopPieceSquareTable = intArrayOf(
        0, 0, 0, 0, 0, 0, 0, 0,
        0, 5, 2, 2, 2, 2, 5, 0,
        0, 3, 5, 5, 5, 5, 3, 0,
        0, 2, 5, 5, 5, 5, 2, 0,
        0, 2, 5, 5, 5, 5, 2, 0,
        0, 2, 5, 5, 5, 5, 2, 0,
        0, 5, 2, 2, 2, 2, 5, 0,
        0, 0, 0, 0, 0, 0, 0, 0
)

val rookPieceSquareTable = intArrayOf(
        0, 3, 5, 5, 5, 5, 3, 0,
        -3, 2, 5, 5, 5, 5, 2, -3,
        -2, 0, 0, 2, 2, 0, 0, -2,
        -2, 0, 0, 0, 0, 0, 0, -2,
        0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0,
        15, 20, 20, 20, 20, 20, 20, 15,
        0, 3, 5, 5, 5, 5, 3, 0
)

val queenPieceSquareTable = intArrayOf(
        -10, -5, 0, 0, 0, 0, -5, -10,
        -5, 0, 5, 5, 5, 5, 0, -5,
        0, 5, 5, 6, 6, 5, 5, 0,
        0, 5, 6, 6, 6, 6, 5, 0,
        0, 5, 6, 6, 6, 6, 5, 0,
        0, 5, 5, 6, 6, 5, 5, 0,
        -5, 0, 5, 5, 5, 5, 0, -5,
        -10, -5, 0, 0, 0, 0, -5, -10
)

val kingPieceSquareTable = intArrayOf(
        24, 24, 9, 0, 0, 9, 24, 24,
        16, 14, 7, -3, -3, 7, 14, 16,
        4, -2, -5, -15, -15, -5, -2, 4,
        -10, -15, -20, -25, -25, -20, -15, -10,
        -15, -30, -35, -40, -40, -35, -30, -15,
        -25, -35, -40, -45, -45, -40, -35, -25,
        -22, -35, -40, -40, -40, -40, -35, -22,
        -22, -35, -40, -40, -40, -40, -35, -22
)

val kingEndGamePieceSquareTable = intArrayOf(
        0, 8, 16, 24, 24, 16, 8, 0,
        8, 16, 24, 32, 32, 24, 16, 8,
        16, 24, 32, 40, 40, 32, 24, 16,
        24, 32, 40, 48, 48, 40, 32, 24,
        24, 32, 40, 48, 48, 40, 32, 24,
        16, 24, 32, 40, 40, 32, 24, 16,
        8, 16, 24, 32, 32, 24, 16, 8,
        0, 8, 16, 24, 24, 16, 8, 0
)