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add piece values to pestos

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This commit is contained in:
Stefan Steininger
2024-01-31 17:59:21 +01:00
parent a6653d0266
commit 07eb85bb87
1 changed files with 5 additions and 31 deletions
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36
chesspp/pesto_strategy.py
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@@ -226,37 +226,6 @@ eg_table = [
] ]
#import chess
import sys
def minimax(depth, board, alpha, beta, is_maximizing):
if depth == 0 or board.is_game_over():
return score(board)
if is_maximizing:
best_move = -9999
for move in board.legal_moves:
board.push(move)
best_move = max(best_move, minimax(depth - 1, board, alpha, beta, not is_maximizing))
board.pop()
alpha = max(alpha, best_move)
if beta <= alpha:
return best_move
return best_move
else:
best_move = 9999
for x in board.legal_moves:
move = chess.Move.from_uci(str(x))
board.push(move)
best_move = min(best_move, minimax(depth - 1, board, alpha, beta, not is_maximizing))
board.pop()
beta = min(beta, best_move)
if beta <= alpha:
return best_move
return best_move
def score(board: chess.Board) -> int: def score(board: chess.Board) -> int:
mg = [0, 0] mg = [0, 0]
eg = [0, 0] eg = [0, 0]
@@ -325,6 +294,11 @@ def _init_tables():
eg_table[WHITE_KING][i] = eg_king_table[i] eg_table[WHITE_KING][i] = eg_king_table[i]
eg_table[BLACK_KING][i] = eg_knight_table[flip[i]] eg_table[BLACK_KING][i] = eg_knight_table[flip[i]]
for piece in range(6):
for field in range(64):
mg_table[piece][field] += mg_value[piece]
eg_table[piece][field] += eg_value[piece]
_init_tables() _init_tables()
class PestoStrategy(IStrategy): class PestoStrategy(IStrategy):