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MyAgentvsRandom.py
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MyAgentvsRandom.py
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from cmath import inf
import chess
import chess.svg
from random import choice
from tqdm import tqdm
from PyQt5.QtSvg import QSvgWidget
from PyQt5.QtWidgets import QApplication, QWidget
from util import timeit
pieces = {
'q': 9,
'r': 5,
'b': 3,
'n': 3,
'p': 1,
}
count_moves = 0
class RandomPlayer:
def __init__(self, board):
self.board = board
def move(self):
m = choice(list(self.board.legal_moves))
self.board.push(m)
class Player:
def __init__(self, board):
self.board = board
self.op_score = 39
def get_moves(self):
return list(self.board.legal_moves)
def capture_piece(self, move):
piece = self.board.piece_at(move.to_square)
if piece is not None:
return pieces[piece.symbol().lower()]
return 0
def check(self, move: chess.Move):
self.board.push(move)
res = self.board.is_check()
self.board.pop()
return res
def checkmate(self, move: chess.Move):
self.board.push(move)
res = self.board.is_checkmate()
self.board.pop()
return res
def after_move(self, move: chess.Move, piece):
dest = move.to_square
self.board.push(move)
moves = list(self.board.legal_moves)
for m in moves:
if m.to_square == dest:
self.board.pop()
return pieces[piece.lower()]
self.board.pop()
return 0
def count_moves(self, move: chess.Move):
self.board.push(move)
self.board.turn = not self.board.turn
my_moves = self.board.legal_moves.count()
self.board.turn = not self.board.turn
self.board.pop()
return my_moves
# waga zbijanej bierki
# czy szachuje
# czy matuje
# czy droga wymiana po ruchu bierki
def heuristic(self, move: chess.Move, capture, check, safety, num_moves):
mscore = 0
piece = self.board.piece_at(move.from_square).symbol()
if self.checkmate(move):
return inf
if self.check(move):
mscore += check
if c := self.capture_piece(move) > 0:
mscore += c*capture
if s := self.after_move(move, piece):
mscore -= s*safety
my_moves = self.count_moves(move)
mscore += num_moves*my_moves
return mscore
#@timeit
def move(self):
global count_moves
moves = self.get_moves()
best_score = -inf
best_move = None
for move in moves:
score = self.heuristic(move, capture, check, safety, number_of_next_moves)
if score > best_score:
best_score = score
best_move = move
count_moves += 1
self.board.push(best_move)
capture = 2
check = 5
safety = 3
number_of_next_moves = 4
class MainWindow(QWidget):
def __init__(self, board):
super().__init__()
self.setGeometry(100, 100, 800, 800)
self.widgetSvg = QSvgWidget(parent=self)
self.widgetSvg.setGeometry(10, 10, 780, 780)
self.chessboard = board
self.chessboardSvg = chess.svg.board(self.chessboard).encode("UTF-8")
self.widgetSvg.load(self.chessboardSvg)
def single_game():
board = chess.Board()
player = Player(board)
opp = RandomPlayer(board)
for _ in range(100):#tqdm(range(100)):
player.move()
if board.is_checkmate():
print(board.peek())
print("White wins")
break
opp.move()
if board.is_checkmate():
print("Black wins")
break
app = QApplication([])
window = MainWindow(board)
window.show()
app.exec()
single_game()
def multiple_games(n):
board = chess.Board()
player = Player(board)
opp = RandomPlayer(board)
score = 0
white, black, draws, not_finished = 0, 0, 0, 0
for game in tqdm(range(n)):
end = False
board.reset()
for moves in range(100):
player.move()
if board.is_checkmate():
#print(board.peek())
#print("White wins")
white += 1
score += 100 - (moves + 1)
end = True
break
if board.is_stalemate():
draws += 1
score -= 100
end = True
break
opp.move()
if board.is_checkmate():
#print("Black wins")
black += 1
score -= 1000
end = True
break
if board.is_stalemate():
draws += 1
score -= 100
end = True
break
if not end:
#print("Game not finished")
not_finished += 1
score -= 100
print("White wins:", white)
print("Black wins:", black)
print("Draws:", draws)
print("Not finished:", not_finished)
print("Moves:", count_moves)
print("Score:", score)
print("Average score:", score/n)
print("Extra points:", score/(n*75) * 2)
timeit("START")
multiple_games(50)
timeit("SHOW")