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evaluation_values.py
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evaluation_values.py
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"""
Not Magnus
Classical chess engine by Devin Zhang
The values used in evaluation
"""
from util import *
# Material values
material_values = (100, 320, 330, 500, 900, MATE_SCORE)
# Piece squares tables
# Values are sorted so that index 0 corresponds with square A1, 1 = B1, ..., 62 = G8, 63 = H8
w_mg_pawn_table = (0, 0, 0, 0, 0, 0, 0, 0, -35, -1, -20, -23, -15, 24, 38, -22, -26, -4, -4, -10, 3, 3, 33, -12, -27, -2, -5, 12, 17, 6, 10, -25, -14, 13, 6, 21, 23, 12, 17, -23, -6, 7, 26, 31, 65, 56, 25, -20, 98, 134, 61, 95, 68, 126, 34, -11, 0, 0, 0, 0, 0, 0, 0, 0)
w_mg_knight_table = (-105, -21, -58, -33, -17, -28, -19, -23, -29, -53, -12, -3, -1, 18, -14, -19, -23, -9, 12, 10, 19, 17, 25, -16, -13, 4, 16, 13, 28, 19, 21, -8, -9, 17, 19, 53, 37, 69, 18, 22, -47, 60, 37, 65, 84, 129, 73, 44, -73, -41, 72, 36, 23, 62, 7, -17, -167, -89, -34, -49, 61, -97, -15, -107)
w_mg_bishop_table = (-33, -3, -14, -21, -13, -12, -39, -21, 4, 15, 16, 0, 7, 21, 33, 1, 0, 15, 15, 15, 14, 27, 18, 10, -6, 13, 13, 26, 34, 12, 10, 4, -4, 5, 19, 50, 37, 37, 7, -2, -16, 37, 43, 40, 35, 50, 37, -2, -26, 16, -18, -13, 30, 59, 18, -47, -29, 4, -82, -37, -25, -42, 7, -8)
w_mg_rook_table = (-19, -13, 1, 17, 16, 7, -37, -26, -44, -16, -20, -9, -1, 11, -6, -71, -45, -25, -16, -17, 3, 0, -5, -33, -36, -26, -12, -1, 9, -7, 6, -23, -24, -11, 7, 26, 24, 35, -8, -20, -5, 19, 26, 36, 17, 45, 61, 16, 27, 32, 58, 62, 80, 67, 26, 44, 32, 42, 32, 51, 63, 9, 31, 43)
w_mg_queen_table = (-1, -18, -9, 10, -15, -25, -31, -50, -35, -8, 11, 2, 8, 15, -3, 1, -14, 2, -11, -2, -5, 2, 14, 5, -9, -26, -9, -10, -2, -4, 3, -3, -27, -27, -16, -16, -1, 17, -2, 1, -13, -17, 7, 8, 29, 56, 47, 57, -24, -39, -5, 1, -16, 57, 28, 54, -28, 0, 29, 12, 59, 44, 43, 45)
w_mg_king_table = (-15, 36, 12, -54, 8, -28, 24, 14, 1, 7, -8, -64, -43, -16, 9, 8, -14, -14, -22, -46, -44, -30, -15, -27, -49, -1, -27, -39, -46, -44, -33, -51, -17, -20, -12, -27, -30, -25, -14, -36, -9, 24, 2, -16, -20, 6, 22, -22, 29, -1, -20, -7, -8, -4, -38, -29, -65, 23, 16, -15, -56, -34, 2, 13)
b_mg_pawn_table = (0, 0, 0, 0, 0, 0, 0, 0, 98, 134, 61, 95, 68, 126, 34, -11, -6, 7, 26, 31, 65, 56, 25, -20, -14, 13, 6, 21, 23, 12, 17, -23, -27, -2, -5, 12, 17, 6, 10, -25, -26, -4, -4, -10, 3, 3, 33, -12, -35, -1, -20, -23, -15, 24, 38, -22, 0, 0, 0, 0, 0, 0, 0, 0)
b_mg_knight_table = (-167, -89, -34, -49, 61, -97, -15, -107, -73, -41, 72, 36, 23, 62, 7, -17, -47, 60, 37, 65, 84, 129, 73, 44, -9, 17, 19, 53, 37, 69, 18, 22, -13, 4, 16, 13, 28, 19, 21, -8, -23, -9, 12, 10, 19, 17, 25, -16, -29, -53, -12, -3, -1, 18, -14, -19, -105, -21, -58, -33, -17, -28, -19, -23)
b_mg_bishop_table = (-29, 4, -82, -37, -25, -42, 7, -8, -26, 16, -18, -13, 30, 59, 18, -47, -16, 37, 43, 40, 35, 50, 37, -2, -4, 5, 19, 50, 37, 37, 7, -2, -6, 13, 13, 26, 34, 12, 10, 4, 0, 15, 15, 15, 14, 27, 18, 10, 4, 15, 16, 0, 7, 21, 33, 1, -33, -3, -14, -21, -13, -12, -39, -21)
b_mg_rook_table = (32, 42, 32, 51, 63, 9, 31, 43, 27, 32, 58, 62, 80, 67, 26, 44, -5, 19, 26, 36, 17, 45, 61, 16, -24, -11, 7, 26, 24, 35, -8, -20, -36, -26, -12, -1, 9, -7, 6, -23, -45, -25, -16, -17, 3, 0, -5, -33, -44, -16, -20, -9, -1, 11, -6, -71, -19, -13, 1, 17, 16, 7, -37, -26)
b_mg_queen_table = (-28, 0, 29, 12, 59, 44, 43, 45, -24, -39, -5, 1, -16, 57, 28, 54, -13, -17, 7, 8, 29, 56, 47, 57, -27, -27, -16, -16, -1, 17, -2, 1, -9, -26, -9, -10, -2, -4, 3, -3, -14, 2, -11, -2, -5, 2, 14, 5, -35, -8, 11, 2, 8, 15, -3, 1, -1, -18, -9, 10, -15, -25, -31, -50)
b_mg_king_table = (-65, 23, 16, -15, -56, -34, 2, 13, 29, -1, -20, -7, -8, -4, -38, -29, -9, 24, 2, -16, -20, 6, 22, -22, -17, -20, -12, -27, -30, -25, -14, -36, -49, -1, -27, -39, -46, -44, -33, -51, -14, -14, -22, -46, -44, -30, -15, -27, 1, 7, -8, -64, -43, -16, 9, 8, -15, 36, 12, -54, 8, -28, 24, 14)
w_eg_pawn_table = (0, 0, 0, 0, 0, 0, 0, 0, 13, 8, 8, 10, 13, 0, 2, -7, 4, 7, -6, 1, 0, -5, -1, -8, 13, 9, -3, -7, -7, -8, 3, -1, 32, 24, 13, 5, -2, 4, 17, 17, 94, 100, 85, 67, 56, 53, 82, 84, 178, 173, 158, 134, 147, 132, 165, 187, 0, 0, 0, 0, 0, 0, 0, 0)
w_eg_knight_table = (-29, -51, -23, -15, -22, -18, -50, -64, -42, -20, -10, -5, -2, -20, -23, -44, -23, -3, -1, 15, 10, -3, -20, -22, -18, -6, 16, 25, 16, 17, 4, -18, -17, 3, 22, 22, 22, 11, 8, -18, -24, -20, 10, 9, -1, -9, -19, -41, -25, -8, -25, -2, -9, -25, -24, -52, -58, -38, -13, -28, -31, -27, -63, -99)
w_eg_bishop_table = (-23, -9, -23, -5, -9, -16, -5, -17, -14, -18, -7, -1, 4, -9, -15, -27, -12, -3, 8, 10, 13, 3, -7, -15, -6, 3, 13, 19, 7, 10, -3, -9, -3, 9, 12, 9, 14, 10, 3, 2, 2, -8, 0, -1, -2, 6, 0, 4, -8, -4, 7, -12, -3, -13, -4, -14, -14, -21, -11, -8, -7, -9, -17, -24)
w_eg_rook_table = (-9, 2, 3, -1, -5, -13, 4, -20, -6, -6, 0, 2, -9, -9, -11, -3, -4, 0, -5, -1, -7, -12, -8, -16, 3, 5, 8, 4, -5, -6, -8, -11, 4, 3, 13, 1, 2, 1, -1, 2, 7, 7, 7, 5, 4, -3, -5, -3, 11, 13, 13, 11, -3, 3, 8, 3, 13, 10, 18, 15, 12, 12, 8, 5)
w_eg_queen_table = (-33, -28, -22, -43, -5, -32, -20, -41, -22, -23, -30, -16, -16, -23, -36, -32, -16, -27, 15, 6, 9, 17, 10, 5, -18, 28, 19, 47, 31, 34, 39, 23, 3, 22, 24, 45, 57, 40, 57, 36, -20, 6, 9, 49, 47, 35, 19, 9, -17, 20, 32, 41, 58, 25, 30, 0, -9, 22, 22, 27, 27, 19, 10, 20)
w_eg_king_table = (-53, -34, -21, -11, -28, -14, -24, -43, -27, -11, 4, 13, 14, 4, -5, -17, -19, -3, 11, 21, 23, 16, 7, -9, -18, -4, 21, 24, 27, 23, 9, -11, -8, 22, 24, 27, 26, 33, 26, 3, 10, 17, 23, 15, 20, 45, 44, 13, -12, 17, 14, 17, 17, 38, 23, 11, -74, -35, -18, -18, -11, 15, 4, -17)
b_eg_pawn_table = (0, 0, 0, 0, 0, 0, 0, 0, 178, 173, 158, 134, 147, 132, 165, 187, 94, 100, 85, 67, 56, 53, 82, 84, 32, 24, 13, 5, -2, 4, 17, 17, 13, 9, -3, -7, -7, -8, 3, -1, 4, 7, -6, 1, 0, -5, -1, -8, 13, 8, 8, 10, 13, 0, 2, -7, 0, 0, 0, 0, 0, 0, 0, 0)
b_eg_knight_table = (-58, -38, -13, -28, -31, -27, -63, -99, -25, -8, -25, -2, -9, -25, -24, -52, -24, -20, 10, 9, -1, -9, -19, -41, -17, 3, 22, 22, 22, 11, 8, -18, -18, -6, 16, 25, 16, 17, 4, -18, -23, -3, -1, 15, 10, -3, -20, -22, -42, -20, -10, -5, -2, -20, -23, -44, -29, -51, -23, -15, -22, -18, -50, -64)
b_eg_bishop_table = (-14, -21, -11, -8, -7, -9, -17, -24, -8, -4, 7, -12, -3, -13, -4, -14, 2, -8, 0, -1, -2, 6, 0, 4, -3, 9, 12, 9, 14, 10, 3, 2, -6, 3, 13, 19, 7, 10, -3, -9, -12, -3, 8, 10, 13, 3, -7, -15, -14, -18, -7, -1, 4, -9, -15, -27, -23, -9, -23, -5, -9, -16, -5, -17)
b_eg_rook_table = (13, 10, 18, 15, 12, 12, 8, 5, 11, 13, 13, 11, -3, 3, 8, 3, 7, 7, 7, 5, 4, -3, -5, -3, 4, 3, 13, 1, 2, 1, -1, 2, 3, 5, 8, 4, -5, -6, -8, -11, -4, 0, -5, -1, -7, -12, -8, -16, -6, -6, 0, 2, -9, -9, -11, -3, -9, 2, 3, -1, -5, -13, 4, -20)
b_eg_queen_table = (-9, 22, 22, 27, 27, 19, 10, 20, -17, 20, 32, 41, 58, 25, 30, 0, -20, 6, 9, 49, 47, 35, 19, 9, 3, 22, 24, 45, 57, 40, 57, 36, -18, 28, 19, 47, 31, 34, 39, 23, -16, -27, 15, 6, 9, 17, 10, 5, -22, -23, -30, -16, -16, -23, -36, -32, -33, -28, -22, -43, -5, -32, -20, -41)
b_eg_king_table = (-74, -35, -18, -18, -11, 15, 4, -17, -12, 17, 14, 17, 17, 38, 23, 11, 10, 17, 23, 15, 20, 45, 44, 13, -8, 22, 24, 27, 26, 33, 26, 3, -18, -4, 21, 24, 27, 23, 9, -11, -19, -3, 11, 21, 23, 16, 7, -9, -27, -11, 4, 13, 14, 4, -5, -17, -53, -34, -21, -11, -28, -14, -24, -43)
mg_psqts = {
"P": w_mg_pawn_table,
"N": w_mg_knight_table,
"B": w_mg_bishop_table,
"R": w_mg_rook_table,
"Q": w_mg_queen_table,
"K": w_mg_king_table,
"p": b_mg_pawn_table,
"n": b_mg_knight_table,
"b": b_mg_bishop_table,
"r": b_mg_rook_table,
"q": b_mg_queen_table,
"k": b_mg_king_table,
}
eg_psqts = {
"P": w_eg_pawn_table,
"N": w_eg_knight_table,
"B": w_eg_bishop_table,
"R": w_eg_rook_table,
"Q": w_eg_queen_table,
"K": w_eg_king_table,
"p": b_eg_pawn_table,
"n": b_eg_knight_table,
"b": b_eg_bishop_table,
"r": b_eg_rook_table,
"q": b_eg_queen_table,
"k": b_eg_king_table,
}
# King safety table
king_threat_table = (0, 0, 1, 2, 3, 5, 7, 9, 12, 15, \
18, 22, 26, 30, 35, 39, 44, 50, 56, 62, \
68, 75, 82, 85, 89, 97, 105, 113, 122, 131, \
140, 150, 169, 180, 191, 202, 213, 225, 237, 248, \
260, 272, 283, 295, 307, 319, 330, 342, 354, 366, \
377, 389, 401, 412, 424, 436, 448, 459, 471, 483, \
494, 500)
# Piece specific values
pawn_bishop_mg_penalty = -2
pawn_bishop_eg_penalty = 0
passed_pawn_mg_bonus = (0, 7, 16, 17, 64, 170, 278, 0)
passed_pawn_eg_bonus = (0, 27, 32, 40, 71, 174, 262, 0)
pawn_isolated_mg_penalty = -20
pawn_isolated_eg_penalty = -20
pawn_space_mg_bonus = 2
pawn_space_eg_bonus = 1
outpost_mg_bonus = 31
outpost_eg_bonus = 22
rook_open_file_mg_bonus = 47
rook_open_file_eg_bonus = 26
rook_semiopen_file_mg_bonus = 19
rook_semiopen_file_eg_bonus = 6
rook_trapped_mg_penalty = -55
rook_trapped_eg_penalty = -13
rook_trapped_nocastle_mg_penalty = -110
rook_trapped_nocastle_eg_penalty = -26
queen_pinned_mg_penalty = -50
queen_pinned_eg_penalty = -15