def select_move(self, game_state):
"""
眼をつぶさないように，あとは禁じ手にならなければランダム.
考えうる限り最弱のボット，30級程度
"""
candidates = []
for r in range(1, game_state.board.num_rows + 1):
for c in range(1, game_state.board.num_cols + 1):
candidate = Point(row=r, col=c)
# 自殺手，劫なら次の手の候補ではない
if not game_state.is_valid_move(Move.play(candidate)):
continue
# 眼になっているところなら次の手の候補ではない
if is_point_an_eye(game_state.board, candidate,
game_state.next_player):
continue
# 候補として追加
candidates.append(candidate)
# 打てるところが無ければパス
if not candidates:
return Move.pass_turn()
move = Move.play(random.choice(candidates))
return move
def select_move(self, game_state):
candidates = []
for r in range(1, game_state.board.num_rows + 1):
for c in range(1, game_state.board.num_cols + 1):
candidate = Point(row=r, col=c)
if game_state.is_valid_move(Move.play(candidate)) and \
not is_point_an_eye(game_state.board, candidate, game_state.next_player):
candidates.append(candidate)
if not candidates:
return Move.pass_turn()
return Move.play(random.choice(candidates))
def select_move(self, game_state):
"""Choose a random valid move that preserves our own eyes."""
candidates = []
for r in range(1, game_state.board.num_rows + 1):
for c in range(1, game_state.board.num_cols + 1):
candidate = Point(row=r, col=c)
if (game_state.is_valid_move(Move.play(candidate))
and not is_point_an_eye(game_state.board, candidate,
game_state.next_player)):
candidates.append(candidate)
if not candidates:
return Move.pass_turn()
return Move.play(random.choice(candidates))
def select_move(self, game_state):
# Choose a random valid move that preserves our eyes
candidates = []
for r in range(1, game_state.board.num_rows + 1):
for c in range(1, game_state.board.num_cols + 1):
candidate = Point(row=r, col=c)
# If a point is empty, not a self-capture, doesn't violate ko and preserve eyes
if game_state.is_valid_move(Move.play(candidate)) and \
not is_point_an_eye(game_state.board,candidate,game_state.next_player):
candidates.append(candidate)
# No valid moves then pass
if not candidates:
return Move.pass_turn()
# Play a random move from the candidates
return Move.play(random.choice(candidates))
def select_move(self, game_state):
# choose a move that preserves own eyes
dim = (game_state.board.num_rows, game_state.board.num_cols)
if dim != self.dim:
self._update_cache(dim)
idx = np.arange(len(self.point_cache))
np.random.shuffle(idx)
for i in idx:
p = self.point_cache[i]
if game_state.is_valid_move(Move.play(p)) and \
not is_point_an_eye(game_state.board, p, game_state.next_player):
return Move.play(p)
return Move.pass_turn() # can't make a move that doesn't ruin own eyes
def select_move(self, game_state):
"""Choose a random valid move that preserves our own eyes"""
# Get points that are a candidate for placing a stone
candidates = []
for r in range(1, game_state.board.num_rows + 1):
for c in range(1, game_state.board.num_cols + 1):
candidate = Point(row = r, col = c)
# If a point within the board is a valid move, save it as a
# candidate
if game_state.is_valid_move(Move.play(candidate)) and \
not is_point_an_eye(game_state.board,
candidate,
game_state.next_player):
candidates.append(candidate)
# If there are no candidates, pass
if not candidates:
return Move.pass_turn()
# Else choose randomly among all the candidate
return Move.play(random.choice(candidates))