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table-scores.ts
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table-scores.ts
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/*
* Piece Square Tables, adapted from Sunfish.py:
* https://github.com/thomasahle/sunfish/blob/master/sunfish.py
*/
export const PST_WHITE = {
/* video: explain this
- each key is a piece
- each row and column reflect a position within the board, each position carries a value that we assign to be evaluated
*/
p: [
[100, 100, 100, 100, 105, 100, 100, 100],
[78, 83, 86, 73, 102, 82, 85, 90],
[7, 29, 21, 44, 40, 31, 44, 7],
[-17, 16, -2, 15, 14, 0, 15, -13],
[-26, 3, 10, 9, 6, 1, 0, -23],
[-22, 9, 5, -11, -10, -2, 3, -19],
[-31, 8, -7, -37, -36, -14, 3, -31],
[0, 0, 0, 0, 0, 0, 0, 0]
],
n: [
[-66, -53, -75, -75, -10, -55, -58, -70],
[-3, -6, 100, -36, 4, 62, -4, -14],
[10, 67, 1, 74, 73, 27, 62, -2],
[24, 24, 45, 37, 33, 41, 25, 17],
[-1, 5, 31, 21, 22, 35, 2, 0],
[-18, 10, 13, 22, 18, 15, 11, -14],
[-23, -15, 2, 0, 2, 0, -23, -20],
[-74, -23, -26, -24, -19, -35, -22, -69]
],
b: [
[-59, -78, -82, -76, -23, -107, -37, -50],
[-11, 20, 35, -42, -39, 31, 2, -22],
[-9, 39, -32, 41, 52, -10, 28, -14],
[25, 17, 20, 34, 26, 25, 15, 10],
[13, 10, 17, 23, 17, 16, 0, 7],
[14, 25, 24, 15, 8, 25, 20, 15],
[19, 20, 11, 6, 7, 6, 20, 16],
[-7, 2, -15, -12, -14, -15, -10, -10]
],
r: [
[35, 29, 33, 4, 37, 33, 56, 50],
[55, 29, 56, 67, 55, 62, 34, 60],
[19, 35, 28, 33, 45, 27, 25, 15],
[0, 5, 16, 13, 18, -4, -9, -6],
[-28, -35, -16, -21, -13, -29, -46, -30],
[-42, -28, -42, -25, -25, -35, -26, -46],
[-53, -38, -31, -26, -29, -43, -44, -53],
[-30, -24, -18, 5, -2, -18, -31, -32]
],
q: [
[6, 1, -8, -104, 69, 24, 88, 26],
[14, 32, 60, -10, 20, 76, 57, 24],
[-2, 43, 32, 60, 72, 63, 43, 2],
[1, -16, 22, 17, 25, 20, -13, -6],
[-14, -15, -2, -5, -1, -10, -20, -22],
[-30, -6, -13, -11, -16, -11, -16, -27],
[-36, -18, 0, -19, -15, -15, -21, -38],
[-39, -30, -31, -13, -31, -36, -34, -42]
],
k: [
[4, 54, 47, -99, -99, 60, 83, -62],
[-32, 10, 55, 56, 56, 55, 10, 3],
[-62, 12, -57, 44, -67, 28, 37, -31],
[-55, 50, 11, -4, -19, 13, 0, -49],
[-55, -43, -52, -28, -51, -47, -8, -50],
[-47, -42, -43, -79, -64, -32, -29, -32],
[-4, 3, -14, -50, -57, -18, 13, 4],
[17, 30, -3, -14, 6, -1, 40, 18]
],
// Endgame King Table
k_e: [
[-50, -40, -30, -20, -20, -30, -40, -50],
[-30, -20, -10, 0, 0, -10, -20, -30],
[-30, -10, 20, 30, 30, 20, -10, -30],
[-30, -10, 30, 40, 40, 30, -10, -30],
[-30, -10, 30, 40, 40, 30, -10, -30],
[-30, -10, 20, 30, 30, 20, -10, -30],
[-30, -30, 0, 0, 0, 0, -30, -30],
[-50, -30, -30, -30, -30, -30, -30, -50]
]
};
export const PST_BLACK = {
p: PST_WHITE['p'].slice().reverse(),
n: PST_WHITE['n'].slice().reverse(),
b: PST_WHITE['b'].slice().reverse(),
r: PST_WHITE['r'].slice().reverse(),
q: PST_WHITE['q'].slice().reverse(),
k: PST_WHITE['k'].slice().reverse(),
k_e: PST_WHITE['k_e'].slice().reverse()
};