def player_vs_player_statistics(n=100):
"""Run n games with player vs itself."""
wins = [0, 0]
draws = 0
for i in range(n):
winner = ConnectFour.play(players.MinimaxPlayer, players.MinimaxPlayer, verbose=False, difficulty=6)
if winner == -1:
draws += 1
else:
wins[winner] += 1
logger.info(f'Negamax wins={wins[0]} random player wins={wins[1]} draws={draws}')
def monte_carlo_vs_random_statistics(n=100):
wins = [0, 0]
draws = 0
for i in range(n):
print(f'Game #{i}')
winner = ConnectFour.play(players.MonteCarloPlayer, players.RandomPlayer, verbose=False)
if winner == -1:
draws += 1
else:
wins[winner] += 1
print(f"MonteCarlo won {wins[0]} times while Random won {wins[1]} times")
def monte_carlo_vs_negamax_statistics(n=100, difficulty=5, games=500):
filename = Path(f'monte_carlo_minimax_diff{difficulty}_games{games}')
if filename.exists():
with filename.open('r') as f:
wins = json.load(f)
else:
wins = [0, 0]
for i in range(n):
# print(f'Game #{i}')
winner = ConnectFour.play(players.MonteCarloPlayer, players.MinimaxPlayer, verbose=False, difficulty=difficulty,
games=games)
wins[winner] += 1
with filename.open('w') as f:
json.dump(wins, f)
print(f"MonteCarlo won {wins[0]} times while Minimax won {wins[1]} times")
parser = argparse.ArgumentParser(description='Play connect four.')
parser.add_argument('--player1',
type=str,
dest='player1',
default='computer',
help='one of: computer, human, random.')
parser.add_argument('--player2',
type=str,
dest='player2',
default='human',
help='one of: computer, human, random.')
parser.add_argument('--difficulty', dest='difficulty',
type=int,
default=5,
help='the computer player difficulty, notice that difficulty 6 and above takes a lot of time '
'to evaluate.')
parser.add_argument('--games', dest='games',
type=int,
default=500,
help='the amount of games per turn that the monte_carlo agents will play.')
args = parser.parse_args()
return args
if __name__ == '__main__':
args = parse_cli_arguments()
p1 = players.PLAYERS[args.player1]
p2 = players.PLAYERS[args.player2]
ConnectFour.play(p1, p2, difficulty=args.difficulty, number_of_games=args.games)
# player_vs_random_statistics(n=10000)
