def make_a_move_in_software(source, destination):
global board_picture
print(source, "=>", destination)
#print (coordinates_dictionary[source])
#print (coordinates_dictionary[destination])
source_letter = list(source.lower())[0] #example: A1 become a
source_number = list(source)[1] #example:A1 become 1
source_cell_index = chess.square(
chess.FILE_NAMES.index(source_letter),
chess.RANK_NAMES.index(
source_number)) #example: A1 is cell index = 0 (out of 63)
destination_letter = list(destination.lower())[0]
destination_number = list(destination)[1]
dest_cell_index = chess.square(chess.FILE_NAMES.index(destination_letter),
chess.RANK_NAMES.index(destination_number))
try:
board_picture = chess.svg.board(
board, arrows=[(source_cell_index, dest_cell_index)
]) #show arrow representing current move
make_a_move_in_hardware(source, destination)
board.push_uci(source.lower() + destination.lower())
board_picture = chess.svg.board(
board) #show chess board after the move
except ValueError:
print("move is invalid or illegal in the current position")
def on_capture(self, x: int, y: int):
"""
When selected piece is placed on MISSING square
Remove victim piece and the rest is same as on_move
"""
assert self.select != None and self.turn != None
to_x, to_y = x, y
from_x, from_y = self.select
move = chess.Move(chess.square(from_x, from_y),
chess.square(to_x, to_y))
killer = self.board.piece_at(chess.square(from_x, from_y))
victim = self.board.piece_at(chess.square(to_x, to_y))
logger.debug(f"Capture: {move.uci()} ({killer} -> {victim})")
self.errors -= 1 # Missing -> Killed
self.warnLED.off(to_x, to_y)
self.states[to_y][to_x] = GROUND
self.on_unselect()
self.lifted[self.turn].remove((from_x, from_y))
self.states[from_y][from_x] = EMPTY
self.board.push(move)
self.switch_turn()
def is_backward_white(square, board):
square_file = chess.square_file(square)
square_rank = chess.square_rank(square)
if square_rank == 7:
return False
current_square = chess.square(square_file, square_rank + 1)
piece = board.piece_at(current_square)
if piece is not None and (piece.symbol() == "p" or piece.symbol() == "P"):
return False
if not board.is_attacked_by(chess.BLACK, current_square):
return False
if square_file == 0:
file_range = [1]
elif square_file == 7:
file_range = [-1]
else:
file_range = [-1, 1]
has_pawn_ahead = False
for file in file_range:
for rank in range(8):
current_square = chess.square(square_file + file, rank)
piece = board.piece_at(current_square)
if piece is None or piece.symbol() != "P":
continue
if rank < square_rank:
return False
else:
has_pawn_ahead = True
if has_pawn_ahead:
return True
return False
def evaluateFenString(fen, player, turn):
penalty = 0
#checking for mates and giving penaltys
if chess.Board(fen).is_checkmate():
if (player == 1 and turn == 1) or (player == -1 and turn == 0):
penalty = 10_000
if (player == 1 and turn == 0) or (player == -1 and turn == 1):
penalty = -10_000
#cleaning the fen
fen = fen.split(" ")[0]
fenWithoutSpaces = ""
for letter in fen.replace("/", ""):
if not letter.isdigit():
fenWithoutSpaces = fenWithoutSpaces + letter
#summing all pieces together
whiteSumm = 0
blackSumm = 0
for piece in fenWithoutSpaces:
if piece.isupper():
whiteSumm += VALUES[PIECES.index(piece.lower())]
else:
blackSumm += VALUES[PIECES.index(piece.lower())]
#adding the controlled squares:
b = chess.Board(fen)
for x in range(8):
for y in range(8):
if b.is_attacked_by(chess.WHITE, chess.square(x, y)):
whiteSumm += 1
if b.is_attacked_by(chess.BLACK, chess.square(x, y)):
blackSumm += 1
# summe zwischen weiß und schwarz abhängig von player input
return (whiteSumm * player + blackSumm * (-1 * player)) + penalty
def test__hw_play_move_opponent_move_normal(self):
""" Test normal input move """
self.hc._input_playResult = engine.PlayResult(
chess.Move(chess.square(0, 1), chess.square(0, 3)),
None) # New move pawn a4
# Configure occupancy for first and second call
set_occupancy(self.hwi_mock, self.hc._board)
occ1 = deepcopy(self.hwi_mock.get_occupancy.return_value)
occ2 = deepcopy(self.hwi_mock.get_occupancy.return_value)
occ2[0][1] = False
occ2[0][3] = True
self.hwi_mock.get_occupancy.side_effect = [occ1, occ2]
# Play move itr 1 no move, itr 2 move made, itr 3 terminate
with patch.object(HardwareClient.HardwareClient,
'game_is_over') as game_over_mock:
game_over_mock.side_effect = [False, False, True]
self.hc._hw_play_move_opponent()
self.assertIsNone(self.hc._input_playResult,
"Input move has not been processed correctly")
# Check that in first iteration a2 and a4 are marked and next iteration no squares are marked
marking2 = [[False] * 8 for _ in range(8)]
marking1 = deepcopy(marking2)
marking1[0][1] = True
marking1[0][3] = True
self.hwi_mock.mark_squares.assert_has_calls(
[call(marking1), call(marking2)],
"Incorrect squares have been marked")
def test__hw_detect_move_player_promote(self):
""" Test detect promotion """
# Set up board
self.hc._board.set_fen(
"4k3/P7/8/8/8/8/8/4K3 w - - 0 1") # Lone pawn a7
# Configure occupancy
set_occupancy(self.hwi_mock, self.hc._board)
self.hwi_mock.get_occupancy.return_value[0][6] = False
self.hwi_mock.get_occupancy.return_value[0][7] = True
self.hwi_mock.promotion_piece.return_value = chess.QUEEN
# Play move itr 1, itr 2 terminate
with patch.object(HardwareClient.HardwareClient,
'game_is_over') as game_over_mock:
game_over_mock.side_effect = [False, True]
self.hc._hw_detect_move_player()
self.assertIsNotNone(self.hc._output_playResult,
"Output move has not been processed")
self.assertEqual(self.hc._output_playResult.move.from_square,
chess.square(0, 6), "Detected from square was not b7")
self.assertEqual(self.hc._output_playResult.move.to_square,
chess.square(0, 7), "Detected to square was not a8")
self.assertEqual(self.hc._output_playResult.move.promotion,
chess.QUEEN,
"Detected promotion piece move was not a queen")
def test__hw_play_move_opponent_move_castle(self):
""" Test castle input move """
self.hc._board.set_fen("4k3/8/8/8/8/8/8/4K2R w K - 0 1")
self.hc._input_playResult = engine.PlayResult(
chess.Move(chess.square(4, 0), chess.square(6, 0)),
None) # New move O-O
# Configure occupancy for first, second and third call
set_occupancy(self.hwi_mock, self.hc._board)
occ1 = deepcopy(self.hwi_mock.get_occupancy.return_value)
occ2 = deepcopy(self.hwi_mock.get_occupancy.return_value)
occ2[4][0] = False
occ2[6][0] = True
self.hwi_mock.get_occupancy.side_effect = [occ1, occ2]
# Itr 1 no move, itr 2 move, itr 4 terminate
with patch.object(HardwareClient.HardwareClient,
'game_is_over') as game_over_mock:
game_over_mock.side_effect = [False, False, True]
self.hc._hw_play_move_opponent()
self.assertIsNone(self.hc._input_playResult,
"Input move has not been processed correctly")
# Check that in first iteration e1 and g1 are marked and next iteration f1 and h1 are marked
marking1 = [[False] * 8 for _ in range(8)]
marking2 = deepcopy(marking1)
marking1[4][0] = True
marking1[6][0] = True
marking2[7][
0] = True # Rook move still needs to be played but king move is sufficient to finish method
marking2[5][0] = True
self.hwi_mock.mark_squares.assert_has_calls(
[call(marking1), call(marking2)],
"Incorrect squares have been marked")
def gen_labels(valid, board, next_move, extended=False):
if not extended:
return [int(valid), int(not valid)]
uci = str(next_move)
from_pos, to_pos = uci[:2], uci[2:]
from_square = chess.square(ord(from_pos[0]) - ord('a'), int(from_pos[1])-1)
to_square = chess.square(ord(to_pos[0]) - ord('a'), int(to_pos[1])-1)
distance = chess.square_distance(from_square, to_square)
distance_vec = [0] * 8
distance_vec[distance-1] = 1
symbol = board.piece_at(from_square).symbol()
is_black, is_white = int(symbol.islower()), int(symbol.isupper())
symbol_vec = [0] * len(PIECE_TO_INT)
symbol_vec[PIECE_TO_INT[symbol.lower()]] = 1
labels = []
labels.extend([int(valid), int(not valid)]) # is valid or not valid
labels.extend(distance_vec) # what distance
labels.extend([is_black, is_white]) # is black or white
labels.extend(symbol_vec) # which symbol
return labels
def test__hw_play_move_opponent_move_promote(self):
""" Test promotion move """
self.hc._board.set_fen(
"4k3/P7/8/8/8/8/8/4K3 w - - 0 1") # Lone pawn a7
self.hc._input_playResult = engine.PlayResult(
chess.Move(chess.square(0, 6), chess.square(0, 7), chess.QUEEN),
None) # New move a8Q
# Configure occupancy for first, second and third call
set_occupancy(self.hwi_mock, self.hc._board)
occ1 = deepcopy(self.hwi_mock.get_occupancy.return_value)
occ2 = deepcopy(self.hwi_mock.get_occupancy.return_value)
occ2[0][6] = False
occ2[0][7] = True
self.hwi_mock.get_occupancy.side_effect = [occ1, occ2]
# Itr 1 no move, itr 2 promoted piece, itr 3 terminate
with patch.object(HardwareClient.HardwareClient,
'game_is_over') as game_over_mock:
game_over_mock.side_effect = [False, False, True]
self.hc._hw_play_move_opponent()
self.assertIsNone(self.hc._input_playResult,
"Input move has not been processed correctly")
# Check that in first iterations a7 and a8 are marked
marking2 = [[False] * 8 for _ in range(8)]
marking1 = deepcopy(marking2)
marking1[0][6] = True
marking1[0][7] = True
self.hwi_mock.mark_squares.assert_has_calls(
[call(marking1), call(marking2)],
"Incorrect squares have been marked")
def evaluateFenStringControll(fen, player, turn):
penalty = 0
#checking for checkmate and giving penaltys based on it
if chess.Board(fen).is_checkmate():
if (player == 1 and turn == 1) or (player == -1 and turn == 0):
penalty = 10_000
if (player == 1 and turn == 0) or (player == -1 and turn == 1):
penalty = -10_000
#cleaning the fenString
fen = fen.split(" ")[0]
fenWithoutSpaces = ""
for letter in fen.replace("/", ""):
if not letter.isdigit():
fenWithoutSpaces = fenWithoutSpaces + letter
#initzializing summs and checking for the pieces
whiteSumm = 0
blackSumm = 0
for piece in fenWithoutSpaces:
if piece.isupper():
whiteSumm += VALUES[PIECES.index(piece.lower())]
else:
blackSumm += VALUES[PIECES.index(piece.lower())]
b = chess.Board(fen)
#checking which squares are attacked by whom and adding it to the evaluation
for i in range(0, 8):
for x in range(0, 8):
if b.is_attacked_by(chess.WHITE, chess.square(i, x)):
whiteSumm += 1
if b.is_attacked_by(chess.BLACK, chess.square(i, x)):
blackSumm += 1
# summe zwischen weiß und schwarz abhängig von player input
return (whiteSumm * player + blackSumm * (-1 * player)) + penalty
def az_index_to_move(index):
if index == -1:
return chess.Move(None, None)
move_coordinates = inflate_1d_coords_3d(index, AZ_SHAPE)
from_file = move_coordinates[0]
from_rank = move_coordinates[1]
move_type = move_coordinates[2]
promotion_piece = None
if move_type >= 64: # Treat under-promotions as 3 x 3 array of [type of file movement, piece promoted to]
underpromotion_type = inflate_1d_coords_2d(move_type - 64, UNDERPROMOTIONS_SHAPE) # Get under-promotion coords
file_modifier = underpromotion_type[0] - 1 # shift from range 0,..2 to -1,..1
promotion_piece = underpromotion_type[1] + PROMOTION_PIECE_MODIFIER # Restore to python-chesspiece numbers
to_file = from_file + file_modifier
to_rank = 7 if from_rank == 6 else 0 # Under-promotions always move a rank ahead (player-relative)
elif move_type >= 56:
knight_delta = decode_knight_move_delta(move_type - 56)
to_file = from_file + knight_delta[0]
to_rank = from_rank + knight_delta[1]
else:
#its a queen move
queen_delta = decode_queen_delta(move_type)
to_file = from_file + queen_delta[0]
to_rank = from_rank + queen_delta[1]
return chess.Move(chess.square(from_file, from_rank), chess.square(to_file, to_rank), promotion_piece)
def pack(from_rank: int, from_file: int, to_rank: int,
to_file: int) -> chess.Move:
"""Converts move coordinates into a chess.Move instance."""
from_square = chess.square(from_file, from_rank)
to_square = chess.square(to_file, to_rank)
return chess.Move(from_square, to_square)
def choose_sense(self, possible_sense, possible_moves, turn, player_board):
if sum(self.scout_history) == 0:
if self.color:
self.next_scout = chess.square(4, 5)
else:
self.next_scout = chess.square(4, 2)
self.update_scout_history(self.next_scout, player_board)
return self.next_scout
def GetClickedSquare(self, mouseX, mouseY):
# test function
print "User clicked screen position x =", mouseX, "y =", mouseY
row, col = self.ConvertToChessCoords((mouseX, mouseY))
if col < 8 and col >= 0 and row < 8 and row >= 0:
print " Chess board units row =", row, "col =", col
print "Square Number", chess.square(row, col)
return chess.square(row, col)
def main():
global move_array
game = True
engine = uci.popen_engine('./Engine/stockfish_8_x64')
engine.uci()
while game:
SCREEN.blit(BACKGROUND, (0, 512))
button("Reset", 50, 520, 100, 30, BUTTON_BACK, BUTTON_BACK, resetBoard)
button("<<", 200, 520, 50, 30, BUTTON_BACK, BUTTON_BACK, toBeginning)
button("<", 270, 520, 50, 30, BUTTON_BACK, BUTTON_BACK, oneBack)
button(">", 340, 520, 50, 30, BUTTON_BACK, BUTTON_BACK, pushOne)
button(">>", 410, 520, 50, 30, BUTTON_BACK, BUTTON_BACK, toEnd)
for row in range(8):
for column in range(8):
if (row, column) not in move_array:
if (row + column) % 2 == 0:
SCREEN.blit(SQUARE_DARK, (row * 64, column * 64))
else:
SCREEN.blit(SQUARE_LIGHT, (row * 64, column * 64))
for event in pygame.event.get():
if event.type == pygame.QUIT:
game = False
if event.type == pygame.MOUSEBUTTONUP:
pos = pygame.mouse.get_pos()
x_val, y_val = int(pos[0] / 64), 7 - (int(pos[1] / 64))
if y_val >= 0:
move_array.append((x_val, y_val))
if len(move_array) == 1:
SCREEN.blit(SQUARE_CLICKED,
(move_array[0][0] * 64, (7 - move_array[0][1]) * 64))
if len(move_array) == 2:
square_x = chess.square(move_array[0][0], move_array[0][1])
square_y = chess.square(move_array[1][0], move_array[1][1])
if (str(BOARD.piece_at(square_x)) == 'P' or str(BOARD.piece_at(square_x)) == 'p') \
and chess.file_index(square_x) != chess.file_index(square_y) and \
(chess.rank_index(square_y) == 0 or chess.rank_index(square_y) == 7):
cur_move = chess.Move(square_x, square_y, promotion=5)
else:
cur_move = chess.Move(square_x, square_y)
if cur_move in BOARD.legal_moves:
BOARD.push(cur_move)
engine_position = engine.position(BOARD)
engine_moves = engine.go()
BOARD.push(engine_moves[0])
else:
move_array = []
updateBoard()
pygame.display.flip()
CLOCK.tick(30)
def test_get_move(self):
""" Test get_move method"""
play_result = engine.PlayResult(
chess.Move(chess.square(0, 1), chess.square(0, 3)), None)
self.hc._output_playResult = play_result
self.assertEqual(self.hc.get_move(), play_result,
"Output move not returned")
self.assertEqual(self.hc._output_playResult, None,
"Internal output field not cleared")
def bishop_mobility(tablero, casilla_alfil):
turno = tablero.turn
fila_origen = chess.square_rank(casilla_alfil)
columna_origen = chess.square_file(casilla_alfil)
ur = 0
ul = 0
dr = 0
dl = 0
for i in range(1, 8):
fila = fila_origen - i
columna = columna_origen + i
# print(f"down right fila {fila} columna: {columna}")
if fila >= 0 and columna < 8:
if tablero.piece_type_at(chess.square(columna, fila)) != None:
# print(tablero.piece_type_at(chess.square(columna, fila)))
break
dr += 1
else:
break
for i in range(1, 8):
fila = fila_origen + i
columna = columna_origen + i
if fila < 8 and columna < 8:
if tablero.piece_type_at(chess.square(columna, fila)) != None:
break
ur += 1
else:
break
for i in range(1, 8):
fila = fila_origen - i
columna = columna_origen - i
# print(f"down left fila {fila} columna: {columna} tipo pieza: {tablero.piece_type_at(chess.square(columna, fila))}")
if fila >= 0 and columna >= 0:
if tablero.piece_type_at(chess.square(columna, fila)) != None:
break
dl += 1
else:
break
for i in range(1, 8):
fila = fila_origen + i
columna = columna_origen - i
if fila < 8 and columna >= 0:
if tablero.piece_type_at(chess.square(columna, fila)) != None:
break
ul += 1
else:
break
# print(f"ur = {ur} ul = {ul} dl = {dl} dr = {dr}")
return ul + ur + dl + dr
def _init_weight(self):
"""Return a square value dictionary"""
self.value_piece = {
chess.PAWN: 1.0,
chess.KNIGHT: 2.95,
chess.BISHOP: 3.05,
chess.ROOK: 5.0,
chess.QUEEN: 9.0,
chess.KING: 0.0
}
# Position weight
wp = [[1,1,1,1,1,1,1,1],
[1,2,2,2,2,2,2,1],
[1,2,3,3,3,3,2,1],
[1,2,3,5,5,3,2,1],
[1,2,3,5,5,3,2,1],
[1,2,3,3,3,3,2,1],
[1,2,2,2,2,2,2,1],
[1,1,1,1,1,1,1,1]]
WP = sum(map(sum, wp))
# Attack weight (for black)
wa0 = [[3,4,4,4,4,4,4,3],
[3,4,4,4,4,4,4,3],
[2,3,3,3,3,3,3,2],
[2,3,3,3,3,3,3,2],
[1,2,2,2,2,2,2,1],
[1,2,2,2,2,2,2,1],
[1,1,1,1,1,1,1,1],
[1,1,1,1,1,1,1,1]]
WA = sum(map(sum, wa0))
wa = {}
wa[chess.WHITE] = wa0[::-1]
wa[chess.BLACK] = wa0
square_weight = {
'pos': {},
'atk': {
chess.WHITE: {},
chess.BLACK: {}
}
}
for i in xrange(8):
for j in xrange(8):
square_weight['pos'][chess.square(j,i)] = wp[i][j]/float(WP)
square_weight['atk'][chess.WHITE][chess.square(j,i)] = wa[chess.WHITE][i][j]/float(WA)
square_weight['atk'][chess.BLACK][chess.square(j,i)] = wa[chess.BLACK][i][j]/float(WA)
self.square_weight = square_weight
pass
def evaluation(self):
eval = 0
for i in range(0, 64):
if (self.board.piece_at(
chess.square(i - (8 * math.floor(i / 8)),
7 - math.floor(i / 8))) != None):
eval = eval + self.getPieceValue(
self.board.piece_at(
chess.square(i - (8 * math.floor(i / 8)),
7 - math.floor(i / 8))))
return eval
def test__diff_occupancy_board_diff(self):
""" Assert _diff_occupancy_board does not detect a diff if occupancy has expected value """
set_occupancy(self.hwi_mock, self.hc._board)
self.hc._board.push(chess.Move(chess.square(0, 1),
chess.square(0, 3))) # Move pawn a4
diff = self.hc._diff_occupancy_board(
self.hwi_mock.get_occupancy.return_value)
expected = [[False] * 8 for _ in range(8)]
expected[0][1] = True
expected[0][3] = True
self.assertEqual(diff, expected,
"Incorrectly detected change in expected occupancy")
def press_confirm(self, source_coords, target_coords):
print("press confirm:", source_coords, target_coords)
# from_file, from_rank = source_coords
# to_file, to_rank = target_coords
from_rank, from_file = source_coords
to_rank, to_file = target_coords
square = chess.square(from_file, from_rank)
next_attack = chess.square(to_file, to_rank)
if next_attack in self.get_moves(square):
self.play_move(chess.Move(square, next_attack))
return True
else:
return False
def parse_piece_list(cls, white, black):
board = Board()
board.clear()
for peice in white.split(" "):
p = Piece.from_symbol(peice[0])
board.set_piece_at(
square(ord(peice[1]) - ord('a'),
int(peice[2]) - 1), p)
for peice in black.lower().split(" "):
p = Piece.from_symbol(peice[0])
board.set_piece_at(
square(ord(peice[1]) - ord('a'),
int(peice[2]) - 1), p)
return board
def multi_pawn_file(cur_board, color, number): # given the number check if and which file/s has that number of pawns of color. Example number = 2 then find files of doubled pawns pawn = 'p' # pawn symbol if color is black if(color == 1): pawn = 'P' pawn_files = [] for files in range(8): pawns_in_file = 0 for ranks in range(8): if(cur_board.piece_at(chess.square(files, ranks)) != None and cur_board.piece_at(chess.square(files, ranks)).symbol() == pawn): # if pawn found then increase counter pawns_in_file = pawns_in_file + 1 if(pawns_in_file == number): # if there are number pawns of the given color on that file then add it to result pawn_files.append(files) return(pawn_files)
def test__hw_control_case_3(self):
""" Test _hw_control wait for opponent move to be played on hardware"""
self.hc._board.turn = chess.BLACK
self.hc.color = chess.WHITE
self.hc._input_playResult = engine.PlayResult(
chess.Move(chess.square(0, 1), chess.square(0, 3)), None)
with patch.object(HardwareClient.HardwareClient,
'game_is_over') as game_over_mock:
game_over_mock.side_effect = [False, True]
with patch.object(HardwareClient.HardwareClient,
'_hw_play_move_opponent') as target_mock:
self.hc._hw_control()
self.assertTrue(target_mock.called,
"Expected method was not called")
def test_set_move(self):
""" Test set_move method """
input_pr = engine.PlayResult(
chess.Move(chess.square(0, 1), chess.square(0, 3)), None)
self.hc.set_move(input_pr)
internal_pr = self.hc._input_playResult
self.assertNotEqual(
internal_pr, input_pr,
"HC should not reuse input object for threadsafety")
# Move overrides __eq__ check if move is a new object
input_pr.move.to_square = chess.square(0, 2)
self.assertNotEqual(
internal_pr.move, input_pr.move,
"HC should not reuse input object for threadsafety")
def castling(self, move, direction, isKingSideCastling):
# locate rook rank and file (0 based)
fromFile, toFile = (5, 7) if isKingSideCastling else (3, 0)
rank = chess.square_rank(move.to_square)
if direction == 'forward':
kingFromSq, kingToSq = move.from_square, move.to_square
rookFromSq, rookToSq = chess.square(toFile, rank), chess.square(
fromFile, rank)
else:
kingFromSq, kingToSq = move.to_square, move.from_square
rookFromSq, rookToSq = chess.square(fromFile, rank), chess.square(
toFile, rank)
self.moveCanvasPiece(kingFromSq, kingToSq) # move king
self.moveCanvasPiece(rookFromSq, rookToSq) # move rook
def check_if_right_color(self, src):
src_square = chess_engine.square(convert_letter_to_number(src[0]),
int(src[1]) - 1)
color_moved = self.board.color_at(src_square)
if color_moved != self.board.turn:
return False
return True
def handle_sense(self, square):
"""
This function takes the sense square and returns the true state of the 3x3 section
:param square: chess.SQUARES -- the square the agent wants to senese around
:return: A list of tuples, where each tuple contains a :class:`Square` in the sense, and if there
was a piece on the square, then the corresponding :class:`chess.Piece`, otherwise `None`.
"""
if square not in list(chess.SQUARES):
return []
rank, file = chess.square_rank(square), chess.square_file(square)
sense_result = []
for delta_rank in [1, 0, -1]:
for delta_file in [-1, 0, 1]:
if 0 <= rank + delta_rank <= 7 and 0 <= file + delta_file <= 7:
sense_square = chess.square(file + delta_file,
rank + delta_rank)
sense_result.append(
(sense_square,
self.board_is_real.piece_at(sense_square)))
#update sense result for each respective color board
if self.turn == chess.WHITE:
for square, piece in sense_result:
self.white_board.set_piece_at(square, piece)
else:
for square, piece in sense_result:
self.black_board.set_piece_at(square, piece)
return sense_result
def coords_to_square(self, x, y):
file = (x // self.square_size)
if self.perspective == chess.WHITE:
rank = ((self.height - y) // self.square_size)
else:
rank = (y // self.square_size)
return chess.square(file, rank)
def mousePressEvent(self, event):
"""
Handles the left mouse click and enables moving the chess pieces by first clicking on the chess
piece and then on the target square.
"""
if not self.board.is_game_over():
if event.x() <= self.boardSize and event.y() <= self.boardSize:
if self.margin<event.x()<self.boardSize-self.margin and self.margin<event.y()<self.boardSize-self.margin:
if event.buttons()==Qt.LeftButton:
file = int((event.x() - self.margin) / self.squareSize)
rank = 7 - int((event.y() - self.margin) / self.squareSize)
square = chess.square(file, rank)
piece = self.board.piece_at(square)
coordinates = "{}{}".format(chr(file + 97), str(rank + 1))
if self.pieceToMove[0] is not None:
move = chess.Move.from_uci("{}{}".format(self.pieceToMove[1], coordinates))
if move in self.board.legal_moves:
self.board.push(move)
s.board.push(move)
self.lastmove = str(self.pieceToMove[1]) + str(coordinates)
print('Last Move: ',self.lastmove)
piece = None
coordinates = None
with open('rnd.pickle','rb') as rnd:
i = pickle.load(rnd)
i = 1 + i
with open('rnd.pickle','wb') as rnd:
pickle.dump(i,rnd)
print(colored("move: " + str(i),'yellow'))
self.pieceToMove = [piece, coordinates]
self.drawBoard()
go = self.make_move()
if go == 'gameover':
print(colored(Style.BRIGHT + "********************* GAME IS OVER *********************",'red'))
self.post()
def _is_illegal_castle(self, board, move):
if not board.is_castling(move):
return False
# illegal without kingside rights
if board.is_kingside_castling(
move) and not board.has_kingside_castling_rights(board.turn):
return True
# illegal without queenside rights
if board.is_queenside_castling(
move) and not board.has_queenside_castling_rights(board.turn):
return True
# illegal if any pieces are between king & rook
rook_square = chess.square(
7 if board.is_kingside_castling(move) else 0,
chess.square_rank(move.from_square))
between_squares = chess.SquareSet(
chess.BB_BETWEEN[move.from_square][rook_square])
if any(map(lambda s: board.piece_at(s), between_squares)):
return True
# its legal
return False
def get_blindboard(self):
"""
Converts the numpy array `_blindboard_matrix` into a BlindBoard object
"""
if self._blindboard_matrix is None:
raise ImageProcessorException(
"The `.process` method has not been called on this object yet")
occupied_squares = {}
for (i, j), entry in np.ndenumerate(self._blindboard_matrix):
col = j ; row = 7-i
if entry is not None:
occupied_squares[chess.square(col, row)] = bool(entry)
return BlindBoard.from_dict(occupied_squares)
def generate_starting_board(_=None):
while True:
brd = chess.Board(None)
wking = get_random_square()
bking = chess.square(4, 4)
brd.set_piece_at(wking, chess.Piece.from_symbol("K"))
brd.set_piece_at(bking, chess.Piece.from_symbol("k"))
for _ in range(random.randint(1, 16)):
square = get_random_square()
piece = get_random_piece()
if not brd.piece_at(square):
brd.set_piece_at(square, piece)
if verify_board(brd):
return brd
def blend_boards(brd1, brd2, p=0.5):
res = chess.Board(None)
for r, f in itertools.product(*[range(8)]*2):
square = chess.square(r, f)
if random.random() > p:
res.set_piece_at(square, brd1.piece_at(square))
else:
res.set_piece_at(square, brd2.piece_at(square))
wkings = res.pieces(chess.KING, chess.WHITE)
bkings = res.pieces(chess.KING, chess.BLACK)
if len(wkings) == 0:
if random.random() > p:
wking = brd1.pieces(chess.KING, chess.WHITE)
else:
wking = brd2.pieces(chess.KING, chess.WHITE)
for square in wking:
res.set_piece_at(square, chess.Piece.from_symbol("K"))
elif len(wkings) > 1:
kept = random.choice(list(wkings))
for square in wkings:
if square != kept:
res.remove_piece_at(square)
if len(bkings) == 0:
if random.random() > p:
bking = brd1.pieces(chess.KING, chess.BLACK)
else:
bking = brd2.pieces(chess.KING, chess.BLACK)
for square in bking:
res.set_piece_at(square, chess.Piece.from_symbol("k"))
elif len(bkings) > 1:
kept = random.choice(list(bkings))
for square in bkings:
if square != kept:
res.remove_piece_at(square)
return res
def imageCoordsToSquareIndex(self, x, y):
rank_ind = int((512 - y) / 64)
file_ind = int(x / 64)
return chess.square(file_ind, rank_ind)
def alejandro_moved(command, player_pos):
return command.from_square == chess.square(player_pos[0], player_pos[1])
def get_random_square(): return chess.square(random.randint(0, 7), random.randint(0, 7))
