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bonuses.py
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# -*- coding: utf-8 -*-
"""
Piece-Square Tables to determine bonuses for pieces
"""
import numpy as np
knight_bonuses = 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])
pawn_end_game_bonuses = np.array([
900, 900, 900, 900, 900, 900, 900, 900,
500, 500, 500, 500, 500, 500, 500, 500,
100, 100, 100, 100, 100, 100, 100, 100,
50, 50, 50, 50, 50, 50, 50, 50,
10, 10, 10, 10, 10, 10, 10, 10,
-5, -5, -5, -5, -5, -5, -5, -5,
-100, -100, -100, -100, -100, -100, -100, -100,
0, 0, 0, 0, 0, 0, 0, 0])
pawn_middle_game_bonuses = 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, 30, 30, 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])
bishop_bonuses = 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, ])
rook_bonuses = 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
])
queen_bonuses = 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
])
# King in the middle game should not wonder out in the center, it's better to castle
king_middle_game_bonuses = 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
])
# King in endgame is a valuable piece that should help with attack or defence
king_end_game_bonuses = 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
])