def simulate(self, board, cboard, move, toplay):
GoBoardUtilGo4.copyb2b(board, cboard)
assert cboard.board.all() == board.board.all()
cboard.move(move, toplay)
opp = GoBoardUtilGo4.opponent(toplay)
return GoBoardUtilGo4.playGame(cboard,
opp,
komi=self.komi,
limit=self.limit,
simulation_policy=simulations,
use_pattern=self.use_pattern,
check_selfatari=self.check_selfatari)
def _evaluate_rollout(self, board, toplay):
"""
Use the rollout policy to play until the end of the game, returning +1 if the current
player wins, -1 if the opponent wins, and 0 if it is a tie.
"""
winner = GoBoardUtilGo4.playGame(board,
toplay,
komi=self.komi,
limit=self.limit,
simulation_policy=self.simulation_policy,
use_pattern = self.use_pattern,
check_selfatari= self.check_selfatari)
if winner == BLACK:
return 1
else:
return 0