def get_puzzle(self, fen: str, prev_score: Score, move: str, current_score: Score, moves: str) -> None:
board = Board(fen)
game = Game.from_board(board)
node = game.add_main_variation(Move.from_uci(move))
current_eval = PovScore(current_score, not board.turn)
result = self.gen.analyze_position(node, prev_score, current_eval, tier=10)
self.assert_is_puzzle_with_moves(result, [Move.from_uci(x) for x in moves.split()])
def export(puzzle, include_first_move=True):
fen = puzzle.last_pos.fen()
board = chess.Board(fen)
game = Game().from_board(board)
result = PgnExporter.determine_result_tag(board)
moves = puzzle.positions.move_list()
if include_first_move:
first_move = puzzle.last_move
else:
# simulate the move (blunder)
board.push(puzzle.last_move)
board.clear_stack()
# take resulting board and create new game
game = Game().from_board(board)
first_move = Move.from_uci(moves.pop(0))
# start the line
node = game.add_main_variation(first_move)
# add the rest of the moves
for m in moves:
node = node.add_variation(Move.from_uci(m))
# copy headers from the original game and override result tag
for h in puzzle.game.headers:
game.headers[h] = puzzle.game.headers[h]
game.headers['Result'] = result
return str(game)
def run(self):
from chess import Board, Move
b = Board()
b.make_move(Move.from_uci("f2f3"))
b.make_move(Move.from_uci("e7e6"))
b.make_move(Move.from_uci("g2g4"))
b.make_move(Move.from_uci("d8h4"))
assert (b.checkmate())
def get_output(self, headers, board, real_move_uci, moves):
output_headers = {"FEN": board.fen(), **headers}
game = pgn.Game(headers=output_headers)
best_move = moves[0]
game.add_main_variation(Move.from_uci(best_move["pv"]),
comment=self.get_comment(
best_move, real_move_uci))
for move in moves[1:]:
game.add_variation(Move.from_uci(move["pv"]),
comment=self.get_comment(move, real_move_uci))
return str(game)
def pv_to_san(self):
if(self.san_arr == None):
return ""
else:
try:
pv_san = []
board = Bitboard(self.san_arr[0])
moves = self.san_arr[1]
for uci in moves:
move = Move.from_uci(uci)
if(move in board.pseudo_legal_moves):
pv_san.append(board.san(move))
board.push(move)
if(len(pv_san) > 0):
s = ""
white_moves = True
move_no = (self.no_game_halfmoves//2)+1
if(self.no_game_halfmoves % 2 == 1):
white_moves = False
s += str(move_no)+". ... "
move_no += 1
for san in pv_san:
if(white_moves):
s += " "+str(move_no)+". "+san
move_no +=1
else:
s += " "+san
white_moves = not white_moves
return s
else:
return ""
except ValueError:
return ""
def pv_to_san(self):
if(self.san_arr == None):
return ""
else:
try:
pv_san = []
board = Board(self.san_arr[0])
moves = self.san_arr[1]
for uci in moves:
move = Move.from_uci(uci)
if(move in board.pseudo_legal_moves):
pv_san.append(board.san(move))
board.push(move)
if(len(pv_san) > 0):
s = ""
white_moves = True
move_no = (self.no_game_halfmoves//2)+1
if(self.no_game_halfmoves % 2 == 1):
white_moves = False
s += str(move_no)+". ... "
move_no += 1
for san in pv_san:
if(white_moves):
s += " "+str(move_no)+". "+san
move_no +=1
else:
s += " "+san
white_moves = not white_moves
return s
else:
return ""
except ValueError:
return ""
def search_position(self, board: chess.Board, position: Position) -> None:
"""Recursive tree search with an already loaded position."""
print('Searching position')
position_id = typing.cast(int, position.position_id)
children = self.database.get_child_positions(position_id)
legal_moves = list(board.legal_moves)
if len(children) == len(legal_moves):
# This position is full, recurse on one of the children
move = select_child_move(children)
print(f'Making move {move}')
board.push(Move.from_uci(move))
self.search_position(board, children[move])
board.pop()
print('pop move')
return
unanalyzed_moves = [move for move in legal_moves if move.uci() not in children]
move = unanalyzed_moves[0]
print(f'Making move {move}')
board.push(move)
self.database.insert_position(self.analyze_board(board), ParentRelationship(position_id, move.uci()))
print('pop move')
board.pop()
if len(unanalyzed_moves) == 1:
print('Back progogate')
def button_release(self, event):
print(event)
if event.num == 1:
self.buttonPressed = False
before_x = math.floor(event.x / self.height)
before_a = math.floor(event.y / self.height)
[start_a,
start_x] = self.board.get_coordinate_from_square(self.x, self.y)
[goal_a, goal_x
] = self.board.get_coordinate_from_square(before_x, before_a)
print(start_a + str(start_x) + goal_a + str(goal_x))
move = Move.from_uci(start_a + str(start_x) + goal_a + str(goal_x))
print(1)
if move in self.board.board_pgn.legal_moves:
self.board.board_pgn.push(move)
print(2)
self.board.make_board_to_gui()
print(3)
self.board.check_if_right()
print(4)
return
def read(doc) -> Puzzle:
board = Board(doc["fen"])
node = Game.from_board(board)
for uci in doc["moves"]:
move = Move.from_uci(uci)
node = node.add_main_variation(move)
return Puzzle(doc["_id"], node.game())
def read(doc) -> Puzzle:
board = Board(doc["fen"])
node: GameNode = Game.from_board(board)
for uci in (doc["line"].split(' ') if "line" in doc else doc["moves"]):
move = Move.from_uci(uci)
node = node.add_main_variation(move)
return Puzzle(doc["_id"], node.game(), int(doc["cp"]))
def not_puzzle(self, fen: str, prev_score: Score, move: str, current_score: Score) -> None:
board = Board(fen)
game = Game.from_board(board)
node = game.add_main_variation(Move.from_uci(move))
current_eval = PovScore(current_score, not board.turn)
result = self.gen.analyze_position( node, prev_score, current_eval, tier=10)
self.assertIsInstance(result, Score)
def check_move():
def parse_request(agrs):
#print(request.args)
piece = request.args.get('piece')
piece_color = piece[0]
piece_type = piece[1]
src = request.args.get('from', default='')
dst = request.args.get('to', default='')
promotion = request.args.get('promotion', default='')
promotion = promotion if (dst[1] == '8' and piece_type == 'P') else ''
return piece_color, piece_type, src, dst, promotion
piece_color, piece_type, src, dst, promotion = parse_request(request.args)
move = Move.from_uci(src + dst + promotion)
if piece_color != 'w' or move not in board.legal_moves:
print('*' * 20)
print(list(board.legal_moves))
print(move)
print('*' * 20, 'ilegal move')
value = 'ilegal'
else:
value = 'legal'
board.push(move)
return json.dumps({'value': value, 'board': board.fen()})
def simple_test(move, sense_square):
hp = {
'num_conv': 3,
'conv_filters': 70,
'conv_kernel': 3,
'num_lstm': 1,
'lstm_size': 250,
'num_dense': 8,
'dense_size': 1500,
'lr': 0.1,
'momentum': 0.3,
'batch_size': 128
}
model = ChessModel(hp, True, training=False)
board = ReconBoard()
# Start of game
observation = board.get_current_state(board.turn)
print(np.round(model.get_belief_state(observation), 2))
board.push(Move.from_uci(move))
# Turn 1
observation = board.get_pre_turn_observation()
print(np.round(model.get_belief_state(observation), 2))
observation = board.sense(sense_square)
print(np.round(model.get_belief_state(observation), 2))
def run(self):
"""continuous game """
pubsub = self._red.pubsub()
pubsub.subscribe([self.opp_id])
self.info("Entering in the pubsub")
for move in pubsub.listen():
self.info("Incoming message")
if move['type'] == 'subscribe' and move['data'] == 1:
self.info("Init message")
if self._color:
while not self._red.get(self._game_id):
self.info("Waiting for black")
self.info("Black is connected, playing first move")
decision, _ = self._engine.go(movetime=2000)
self._red.publish(self.own_id, decision.uci())
self._board.push(decision)
self.info("Move played")
else:
self._red.set(self._game_id, "ready")
self.info("Telling white we are ready")
else:
self.info("Receiving move")
self._board.push(Move.from_uci(move['data'].decode('utf8')))
decision, _ = self._engine.go(movetime=2000)
self._red.publish(self.own_id, decision.uci())
self.info("Playing move")
self._board.push(decision)
def async_training(params):
global board, whose_playing, weights, current_board_features, white_castle_status, black_castle_status
game = params[0]
board = params[1]
whose_playing = params[2]
weights = params[3]
current_board_features = params[4]
white_castle_status = params[5]
black_castle_status = params[6]
for expected_move in game:
get_current_board_features()
actual_move = get_move_to_be_played(board, whose_playing)
update_weights(expected_move,
board.san(Move.from_uci(str(actual_move))))
board.push_san(expected_move)
if whose_playing == chess.WHITE:
whose_playing = chess.BLACK
else:
whose_playing = chess.WHITE
return [
weights, current_board_features, white_castle_status,
black_castle_status
]
def on_move(self, data):
game_id = data.get('game_id', None)
move_uci = data.get('move', None)
if game_id is None or move_uci is None:
raise KeyError('invalid move')
move = Move.from_uci(move_uci)
def make_move(self, to_cell: Cell):
promotion = "q" if self.is_promotion(to_cell) else ""
uci_move = f"{self.gui_board.selected_cell}{to_cell}{promotion}"
move = Move.from_uci(uci_move)
if self.board.is_legal(move):
self.board.push(move)
self.gui_board.selected_cell.selected = False
self.gui_board.selected_cell = None
self.gui_board.update_piece_positions(self.board.board_fen())
def get_root(fen, moves):
board = Board(fen)
root = Node(fen)
if moves is not None:
for move in moves:
fen = board.fen().split(' ')
root.previous.append(' '.join(fen[:2]))
board.push(Move.from_uci(move))
root.position = board.fen()
return root
def handle_state_change(self, event):
board = Board(fen=self.initial_fen)
for move in event["moves"].split():
board.push(Move.from_uci(move))
self.node = Node(fen=board.fen())
self.my_turn = not self.my_turn
print(f"My turn? {self.my_turn}")
if self.my_turn:
self.make_move()
def __explore_leaves(self, board):
values = defaultdict(list)
for move in board.legal_moves:
board.push(move)
#score = self.__minimax(board, False, self.DEPTH)
score = self.__alpha_beta(board, -self.MAX_VAL, self.MAX_VAL,
False, self.DEPTH)
values[score].append(move.uci())
board.pop()
values = sorted(values.items())
print(values)
return Move.from_uci(random.choice(values[0][1]))
def get_move_to_be_played(board, whose_playing):
moves_and_target_values = {}
all_legal_moves = board.legal_moves
for legal_move in all_legal_moves:
moves_and_target_values[legal_move] = get_target_value(
board.san(Move.from_uci(str(legal_move))), board, whose_playing)
return max(moves_and_target_values,
key=lambda i: moves_and_target_values[i])
def seq_test(move, sense_square):
model = ChessModel(True, training=True)
board = ReconBoard()
observations = []
observations.append(board.get_current_state(board.turn))
board.push(Move.from_uci(move))
observations.append(board.get_pre_turn_observation())
observations.append(board.sense(sense_square))
batch = np.asarray([np.asarray(observations)])
print(np.round(model.belief_state.predict(batch)[0][-1]), 2)
def __init__(self):
self.castles = {
('K', 'e1', 'g1'): Move.from_uci('h1f1'),
('K', 'e1', 'c1'): Move.from_uci('a1d1'),
('k', 'e8', 'g8'): Move.from_uci('h8f8'),
('k', 'e8', 'c8'): Move.from_uci('a8d8'),
}
self.castles_reversed = {
('K', 'g1', 'e1'): Move.from_uci('f1h1'),
('K', 'c1', 'e1'): Move.from_uci('d1a1'),
('k', 'g8', 'e8'): Move.from_uci('f8h8'),
('k', 'c8', 'e8'): Move.from_uci('d8a8'),
}
self.position = None
self._start_name = None
def is_not_best_material_gain(board, best_move):
best_move = Move.from_uci(best_move)
piece_at_target = board.piece_at(best_move.to_square)
if piece_at_target is None:
return True
if len(list(board.legal_moves)) == 1:
return True
move_value = piece_at_target.piece_type
best_legal_value = max([
board.piece_type_at(move.to_square) or 0
for move in board.legal_moves
if move != best_move
])
return best_legal_value >= move_value
def getMove(self, boardState: Board, selectedMove = 0)->Move:
"""
:param Board boardState: The state of the board
:return Move: What the AI wants to do in the format (@#@#) [we need to search that location for the piece in order to have a valid command]
"""
self.engine.position(boardState) #Pass in the board's current state to the game engine.
test = self.engine.go(movetime=self.time-selectedMove) #Movetime in milliseconds to generate best move.
print(test)
full_move_string = str(test[selectedMove])
#Old code left in to show what we did
# part1 = self.findLocPiece(full_move[0:2]) #get the piece from the dictionary
# move_for_board = part1.upper() +full_move_string
# print("Being passed into movePiece: %s " % move_for_board)
# self.movePiece(move_for_board)
return Move.from_uci(full_move_string)
def _do_move(self, uci, refresh=True):
move = Move.from_uci(uci)
if move in self.board.legal_moves or self.edit_mode:
if self.edit_mode:
piece = self.get_piece_at_pos(uci)
if ((piece.isupper() and not self.board.turn)
or (piece.islower() and self.board.turn)):
self.board.turn = not self.board.turn
self.board.push(move)
self.board.turn = not self.board.turn
else:
self.board.push(move)
if refresh: self.__refresh_view()
self.check_status()
else:
logger.info('Illegal move!')
def uci(self):
start = input()
while start != "uci":
start = input()
print("id", end="")
while True:
command = input()
if command == "ucinewgame":
board = Board()
elif command.split()[0] == "position":
fen = command[command.index(
"fen") + 3: command.index("moves") - 1]
moves = command[command.index("moves"):].split()
if fen == "startpos":
fen = 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1'
board = Board(fen)
for move in moves:
board.push(Move.from_uci(move))
def force_play():
global board, whose_playing
final_move = get_move_to_be_played(board, whose_playing)
final_move = board.san(Move.from_uci(str(final_move)))
board.push_san(final_move)
print(board)
if whose_playing == chess.WHITE:
whose_playing = chess.BLACK
else:
whose_playing = chess.WHITE
return str(board.fen())
def main() -> None:
sys.setrecursionlimit(10000) # else node.deepcopy() sometimes fails?
parser = argparse.ArgumentParser(prog='tagger.py', description='automatically tags lichess puzzles')
parser.add_argument("--verbose", "-v", help="increase verbosity", action="count")
args = parser.parse_args()
if args.verbose == 1:
logger.setLevel(logging.DEBUG)
mongo = pymongo.MongoClient()
db = mongo['puzzler']
puzzle_coll = db['puzzle2']
tag_coll = db['tag']
for puzzle in puzzle_coll.find():
# prev = tag_coll.find_one({"_id":puzzle._id})
board = Board(puzzle["fen"])
node = Game.from_board(board)
for uci in puzzle["moves"]:
move = Move.from_uci(uci)
node = node.add_main_variation(move)
puzzle = Puzzle(puzzle["_id"], node.game())
tags = cook.cook(puzzle)
for tag in tags:
tag_coll.update_one({"_id":puzzle.id},{"$addToSet":{tag: "lichess"}}, upsert = True)
def send_move():
global board, whose_playing
if len(re.findall('\\bO-O-O\\b', str(request.form['move']))) != 0:
if whose_playing == chess.WHITE:
white_castle_status = 'long_castle'
if whose_playing == chess.BLACK:
black_castle_status = 'long_castle'
if len(re.findall('\\bO-O\\b', str(request.form['move']))) != 0 and len(
re.findall('\\bO-O-O\\b', str(request.form['move']))) == 0:
if whose_playing == chess.WHITE:
white_castle_status = 'short_castle'
if whose_playing == chess.BLACK:
black_castle_status = 'short_castle'
board.push_san(str(request.form['move']))
print(board)
print('----------------------------------------------')
final_move = get_move_to_be_played(board, whose_playing)
final_move = board.san(Move.from_uci(str(final_move)))
board.push_san(final_move)
print(board)
if whose_playing == chess.WHITE:
whose_playing = chess.BLACK
else:
whose_playing = chess.WHITE
return str(board.fen())
def run(self):
from chess import Board, Move
b = Board()
assert b.to_fen() == "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
assert len(list(b.gen_pseudo_legal_moves())) == 20
b.make_move(Move.from_uci("e2e4"))
assert b.move_number == 1
assert b.half_move_clock == 1
assert not b.active_player
assert b.to_fen() == 'rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq e3 1 1'
assert len(list(b.gen_pseudo_legal_moves())) == 20
b.make_move(Move.from_uci("d7d5"))
assert b.move_number == 2
assert b.half_move_clock == 2
assert b.active_player
# EN PASSANT
b = Board("rnbqkbnr/ppp1p1pp/8/3pPp2/8/8/PPPP1PPP/RNBQKBNR w KQkq f6 0 3")
b.make_move(Move.from_uci("e5f6"))
assert b.to_fen() == "rnbqkbnr/ppp1p1pp/5P2/3p4/8/8/PPPP1PPP/RNBQKBNR b KQkq - 0 3"
b = Board("rnbqk2r/ppp3pp/3bpP1n/3p4/8/BP3Q2/P1PP1PPP/RN2KBNR b KQkq - 2 6")
assert Move.from_uci("e8g8") in b.gen_pseudo_legal_moves()
b.make_move(Move.from_uci("e8g8"))
assert b.to_fen() == "rnbq1rk1/ppp3pp/3bpP1n/3p4/8/BP3Q2/P1PP1PPP/RN2KBNR w KQ - 3 7"
b = Board("rnbq1rk1/p1p3pp/3bpP1n/1p1p4/8/BPN2Q2/P1PP1PPP/R3KBNR w KQ b6 0 8")
b.make_move(Move.from_uci("e1c1"))
assert b.to_fen() == "rnbq1rk1/p1p3pp/3bpP1n/1p1p4/8/BPN2Q2/P1PP1PPP/2KR1BNR b - - 1 8"
try:
b.make_move(Move.from_uci("e1c1"))
except ValueError:
pass
finally:
assert b.to_fen() == "rnbq1rk1/p1p3pp/3bpP1n/1p1p4/8/BPN2Q2/P1PP1PPP/2KR1BNR b - - 1 8"
def push_uci(self, uci):
# don't check for legality - it takes much longer to run...
# self.pc_board.push_uci(uci)
self.pc_board.push(Move.from_uci(uci))
self._lcz_push()
return BoardString(str(self.position.fen))
def initialMove(self):
'''Special game move to hold starting position.'''
# FIXME: use iswhite
start = GameMove(
self._start_name,
self.position.fen.full_move,
self.position.fen.turn == 'w',
None,
self.fen,
None,
None,
None,
None
)
return start
if __name__ == '__main__':
fen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
engine = ChessLibGameEngine()
engine.newGame(fen)
move = Move.from_uci('e2e4')
engine.makeMove(move)
b = BoardString()
print b.toFen()