Chess_Engine/evaluations.py at main · svott03/Chess_Engine · GitHub

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import numpy as np

class positionEvals:
    PAWN_white_eval = np.array([
        [0,  0,  0,  0,  0,  0,  0,  0],
        [50, 50, 50, 50, 50, 50, 50, 50],
        [10, 10, 20, 30, 30, 20, 10, 10],
        [5,  5, 10, 25, 25, 10,  5,  5],
        [0,  0,  0, 20, 20,  0,  0,  0],
        [5, -5,-10,  0,  0,-10, -5,  5],
        [5, 10, 10,-20,-20, 10, 10,  5],
        [ 0,  0,  0,  0,  0,  0,  0,  0]], np.float)
    KNIGHT_white_eval = np.array([
        [-50,-40,-30,-30,-30,-30,-40,-50],
        [-40,-20,  0,  0,  0,  0,-20,-40],
        [-30,  0, 10, 15, 15, 10,  0,-30],
        [-30,  5, 15, 20, 20, 15,  5,-30],
        [-30,  0, 15, 20, 20, 15,  0,-30],
        [-30,  5, 10, 15, 15, 10,  5,-30],
        [-40,-20,  0,  5,  5,  0,-20,-40],
        [-50,-40,-30,-30,-30,-30,-40,-50,]], np.float)
    BISHOP_white_eval = np.array([
        [-20,-10,-10,-10,-10,-10,-10,-20],
        [-10,  0,  0,  0,  0,  0,  0,-10],
        [-10,  0,  5, 10, 10,  5,  0,-10],
        [-10,  5,  5, 10, 10,  5,  5,-10],
        [-10,  0, 10, 10, 10, 10,  0,-10],
        [-10, 10, 10, 10, 10, 10, 10,-10],
        [-10,  5,  0,  0,  0,  0,  5,-10],
        [-20,-10,-10,-10,-10,-10,-10,-20]], np.float)
    ROOK_white_eval = np.array([
        [0,  0,  0,  0,  0,  0,  0,  0],
        [5, 10, 10, 10, 10, 10, 10,  5],
        [-5,  0,  0,  0,  0,  0,  0, -5],
        [-5,  0,  0,  0,  0,  0,  0, -5],
        [-5,  0,  0,  0,  0,  0,  0, -5],
        [-5,  0,  0,  0,  0,  0,  0, -5],
        [-5,  0,  0,  0,  0,  0,  0, -5],
        [0,  0,  0,  5,  5,  0,  0,  0]], np.float)
    QUEEN_white_eval = np.array([
        [-20,-10,-10, -5, -5,-10,-10,-20],
        [-10,  0,  0,  0,  0,  0,  0,-10],
        [-10,  0,  5,  5,  5,  5,  0,-10],
        [-5,  0,  5,  5,  5,  5,  0, -5],
        [0,  0,  5,  5,  5,  5,  0, -5],
        [-10,  5,  5,  5,  5,  5,  0,-10],
        [-10,  0,  5,  0,  0,  0,  0,-10],
        [-20,-10,-10, -5, -5,-10,-10,-20]], np.float)
    KING_white_eval_middle = np.array([
        [-30,-40,-40,-50,-50,-40,-40,-30],
        [-30,-40,-40,-50,-50,-40,-40,-30],
        [-30,-40,-40,-50,-50,-40,-40,-30],
        [-30,-40,-40,-50,-50,-40,-40,-30],
        [-20,-30,-30,-40,-40,-30,-30,-20],
        [-10,-20,-20,-20,-20,-20,-20,-10],
        [20, 20,  0,  0,  0,  0, 20, 20],
        [20, 30, 10,  0,  0, 10, 30, 20]], np.float)
    KING_white_eval_end = np.array([
        [-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]], np.float)
    PAWN_black_eval = PAWN_white_eval[::-1]
    KNIGHT_black_eval = KNIGHT_white_eval[::-1]
    BISHOP_black_eval = BISHOP_white_eval[::-1]
    ROOK_black_eval = ROOK_white_eval[::-1]
    QUEEN_black_eval = QUEEN_white_eval[::-1]
    KING_black_eval_middle = KING_white_eval_middle[::-1]
    KING_black_eval_end = KING_white_eval_end[::-1]