def initialize_standard_board(self):
self.draw_board()
# create and place 32 pieces
for i in range(0, 8):
self.place_piece([i, 1], Pawn(1))
self.place_piece([i, 6], Pawn(0))
self.place_piece([0, 0], Rook(1))
self.place_piece([7, 0], Rook(1))
self.place_piece([0, 7], Rook(0))
self.place_piece([7, 7], Rook(0))
self.place_piece([4, 0], King(1))
self.place_piece([4, 7], King(0))
self.place_piece([3, 0], Queen(1))
self.place_piece([3, 7], Queen(0))
self.place_piece([2, 0], Bishop(1))
self.place_piece([5, 0], Bishop(1))
self.place_piece([2, 7], Bishop(0))
self.place_piece([5, 7], Bishop(0))
self.place_piece([1, 0], Knight(1))
self.place_piece([6, 0], Knight(1))
self.place_piece([1, 7], Knight(0))
self.place_piece([6, 7], Knight(0))
def rook_safety(self):
#Check to see if king is safe from all possible moves your opponent can make
your_rook = self._position
#MAXIMIZE only
their_king = self._board.generic_find("k")
if their_king is not None:
from .King import King
tk = King(self._board, not self._player, their_king)
#piece = tk.king_movement()
if tk.king_movement().count("R") == 1:
return False
their_knight = self._board.generic_find("n")
if their_knight:
from .Knight import Knight
tn = Knight(self._board, not self._player, their_knight)
#piece = tn.knight_movement()
if tn.knight_movement().count("R") == 1:
return False
return True
def paired_combo(self, player):
your_king = self.generic_find("K")
your_rook = self.generic_find("R")
from Pieces.King import King
extended_list = [your_king - 18, your_king - 19, your_king - 20, your_king - 21, your_king - 22,
your_king - 8, your_king - 12,
your_king - 2, your_king + 2,
your_king + 8, your_king + 12,
your_king + 18, your_king + 19, your_king + 20, your_king + 21, your_king + 22]
yk = King(self, player, your_king)
yk.populate_moves()
king_moves = yk.ret_kings_moves()
king_moves.extend(extended_list)
for i in king_moves:
if i == your_rook:
return True
return False
def __init__(self):
self.currentPlayer = "White"
self.tiles = dict()
self.moveCounter = 1
self.prevBoard = None
for x in range(64):
self.tiles[x] = (Tile(x, NullPiece()))
for x in range(8, 16):
pass
self.tiles[x] = (Tile(x, Pawn("White", x)))
for x in range(48, 56):
self.tiles[x] = (Tile(x, Pawn("Black", x)))
self.tiles[0] = (Tile(0, Rook("White", 0)))
self.tiles[1] = (Tile(1, Knight("White", 1)))
self.tiles[2] = (Tile(2, Bishop("White", 2)))
self.tiles[3] = (Tile(3, Queen("White", 3)))
self.tiles[4] = (Tile(4, King("White", 4)))
self.tiles[5] = (Tile(5, Bishop("White", 5)))
self.tiles[6] = (Tile(6, Knight("White", 6)))
self.tiles[7] = (Tile(7, Rook("White", 7)))
self.tiles[56] = (Tile(56, Rook("Black", 56)))
self.tiles[57] = (Tile(57, Knight("Black", 57)))
self.tiles[58] = (Tile(58, Bishop("Black", 58)))
self.tiles[59] = (Tile(59, Queen("Black", 59)))
self.tiles[60] = (Tile(60, King("Black", 60)))
self.tiles[61] = (Tile(61, Bishop("Black", 61)))
self.tiles[62] = (Tile(62, Knight("Black", 62)))
self.tiles[63] = (Tile(63, Rook("Black", 63)))
def heuristicY(position):
if position.is_checkmate():
return 900000
king_index = position.generic_find("K")
knight_index = position.generic_find("N")
max_rook_index = position.generic_find("r")
max_king_index = position.generic_find("k")
max_knight_index = position.generic_find("n")
if king_index:
king = King(position, king_index)
else:
return -99999
if knight_index:
knight = Knight(position, knight_index)
else:
return -999
if max_rook_index:
max_rook = Rook(position, max_rook_index)
if max_king_index:
max_king = King(position, max_king_index)
if max_knight_index:
max_knight = Knight(position, max_knight_index)
else:
max_knight = None
#check for king's safety, if this position is poor return a low value
if not king.king_safety():
return -1000
if knight_index:
if not knight.knight_safety():
return -999
#if minimize player can eliminate an opponent piece do it
if position.check_board():
return 99999
if knight.knight_movement().count("r") == 1:
return 157
if king.king_movement().count("r") == 1:
return 50 + (50 - abs(knight_index - max_rook_index))
if king_index % 10 == 5:
return 20 + (5 - abs(king_index // 10 - 5)) + (5- abs(knight_index - max_rook_index))
return abs(knight_index % 10 - max_rook_index % 10) + abs(knight_index // 10 - max_rook_index // 10)\
+ (5- abs(king_index // 10 - 5))
def king_follow(self):
your_king = self._board.generic_find("K")
from Pieces.King import King
fake_rook_king = King(self._board, self._player, self._position)
return fake_rook_king.increase_movement(your_king)
class Knight:
def create_pieces_for_new_game(self):
"""
instantiates class object for each piece type
sets piece in corresponding start position
white occupies rows 1 and 2
black occupies rows 7 and 8
"""
# maybe we don't even want to do this - what we really want to do is assign pieces as occupants of corresponding squares
# Haven't decided if a piece needs to know about position - for now we include but I may remove in the future
white_pieces = dict(
white_rook_1=Rook('White'),
white_knight_1=Knight('White'),
white_bishop_1=Bishop('White'),
white_queen=Queen('White'),
white_king=King('White'),
white_bishop_2=Bishop('White'),
white_knight_2=Knight('White'),
white_rook_2=Rook('White'),
white_pawn_1=Pawn('White'),
white_pawn_2=Pawn('White'),
white_pawn_3=Pawn('White'),
white_pawn_4=Pawn('White'),
white_pawn_5=Pawn('White'),
white_pawn_6=Pawn('White'),
white_pawn_7=Pawn('White'),
white_pawn_8=Pawn('White'),
)
black_pieces = dict(
black_rook_1=Rook('Black'),
black_knight_1=Knight('Black'),
black_bishop_1=Bishop('Black'),
black_queen=Queen('Black'),
black_king=King('Black'),
black_bishop_2=Bishop('Black'),
black_knight_2=Knight('Black'),
black_rook_2=Rook('Black'),
black_pawn_1=Pawn('Black'),
black_pawn_2=Pawn('Black'),
black_pawn_3=Pawn('Black'),
black_pawn_4=Pawn('Black'),
black_pawn_5=Pawn('Black'),
black_pawn_6=Pawn('Black'),
black_pawn_7=Pawn('Black'),
black_pawn_8=Pawn('Black'),
)
self.white_pieces = white_pieces
self.black_pieces = black_pieces
def initPlayerOne(self, ):
"""This populates the playerOnePieces (black) empty set with the player one's pieces. It also adds those pieces to the board
"""
#add pawns
#(self,self.board,color,group,row,col)
color = "BLACK"
group = self.playerOnePieces
self.playerOnePieces.update({
Pawn(self.board, color, group, 2, 'A', self),
Pawn(self.board, color, group, 2, 'B', self),
Pawn(self.board, color, group, 2, 'C', self),
Pawn(self.board, color, group, 2, 'D', self),
Pawn(self.board, color, group, 2, 'E', self),
Pawn(self.board, color, group, 2, 'F', self),
Pawn(self.board, color, group, 2, 'G', self),
Pawn(self.board, color, group, 2, 'H', self)
})
#Add rank 1 pieces
self.playerOnePieces.update({
Rook(self.board, color, group, 1, 'A', self),
Knight(self.board, color, group, 1, 'B', self),
Bishop(self.board, color, group, 1, 'C', self),
Queen(self.board, color, group, 1, 'D', self),
King(self.board, color, group, 1, 'E', self),
Bishop(self.board, color, group, 1, 'F', self),
Knight(self.board, color, group, 1, 'G', self),
Rook(self.board, color, group, 1, 'H', self)
})
def test_king_capture():
"""Tests if the king can capture
"""
playerOnePieces = set()
playerTwoPieces = set()
board = [[None] * 8 for i in range(8)]
color = "BLACK"
myPiece = King(board, color, playerOnePieces, 2, 'A')
playerOnePieces.update({myPiece})
enemyPiece = Pawn(board, "WHITE", playerTwoPieces, 3, 'B')
playerTwoPieces.update({enemyPiece})
possibleRow = {i: i - 1 for i in range(1, 9)}
possibleCol = {chr(i): i - ord('A') for i in range(ord('A'), ord('A') + 8)}
moveOne = "2A"
moveTwo = "3A"
board[possibleRow[int(moveOne[0])]][possibleCol[moveOne[1]]].move(
int(moveTwo[0]), moveTwo[1])
moveOne = "3A"
moveTwo = "3B"
# Now I make a move
board[possibleRow[int(moveOne[0])]][possibleCol[moveOne[1]]].move(
int(moveTwo[0]), moveTwo[1])
assert board[possibleRow[int(moveTwo[0])]
][possibleCol[moveTwo[1]]] == myPiece
assert len(playerTwoPieces) == 0
def initPlayerTwo(self):
"""This populates the playerTwoPieces (white) empty set with the player two's pieces. It also adds those pieces to the board
"""
color = "WHITE"
group = self.playerTwoPieces
self.playerTwoPieces.update({
Pawn(self.board, color, group, 7, 'A', self),
Pawn(self.board, color, group, 7, 'B', self),
Pawn(self.board, color, group, 7, 'C', self),
Pawn(self.board, color, group, 7, 'D', self),
Pawn(self.board, color, group, 7, 'E', self),
Pawn(self.board, color, group, 7, 'F', self),
Pawn(self.board, color, group, 7, 'G', self),
Pawn(self.board, color, group, 7, 'H', self)
})
#Add rank 1 pieces
self.playerTwoPieces.update({
Rook(self.board, color, group, 8, 'A', self),
Knight(self.board, color, group, 8, 'B', self),
Bishop(self.board, color, group, 8, 'C', self),
Queen(self.board, color, group, 8, 'D', self),
King(self.board, color, group, 8, 'E', self),
Bishop(self.board, color, group, 8, 'F', self),
Knight(self.board, color, group, 8, 'G', self),
Rook(self.board, color, group, 8, 'H', self)
})
def test8(): #--Starting position for a black king at d6 #Enemy pieces at d6, g6 #Blocked by own piece at h3, d2, b1, e2 k = King(Color.Black) P = Pawn(Color.White) p = Pawn(Color.Black) gameBoard = Board() place_piece(gameBoard, "d6", k) place_piece(gameBoard, "c7", p) place_piece(gameBoard, "d7", p) place_piece(gameBoard, "e7", p) place_piece(gameBoard, "c5", P) place_piece(gameBoard, "e5", P) translate(k.legalMoves(gameBoard, False)) display.print_board(gameBoard.board)
def initialize(self):
team = Team(self.team)
team.canMove = False
self.Side.append(Rook(-1, -1, team))
self.Side.append(Knight(-1, -1, team))
self.Side.append(Bishop(-1, -1, team))
self.Side.append(King(-1, -1, team))
self.Side.append(Queen(-1, -1, team))
self.Side.append(Bishop(-1, -1, team))
self.Side.append(Knight(-1, -1, team))
self.Side.append(Rook(-1, -1, team))
for x in range(0, 8):
self.Side.append(Pawn(-1, -1, team))
def knight_safety(self):
max_knight = self._board.generic_find("n")
max_king = self._board.generic_find("k")
max_rook = self._board.generic_find("r")
if max_knight:
knight_piece = Knight(self._board, max_knight)
if knight_piece.knight_movement().count("N") == 1:
return False
if max_king:
from Pieces.King import King
king_piece = King(self._board, max_king)
if king_piece.king_movement().count("N") == 1:
return False
if max_rook:
from Pieces.Rook import Rook
rook_piece = Rook(self._board, max_rook)
if rook_piece.rook_piece_check().count("N") == 1:
return False
return True
def king_safety(self):
your_king = self._board.generic_find("K")
#MAXIMIZE
if your_king is not None and not self._player:
knight = self._board.generic_find("n")
king = self._board.generic_find("k")
if king:
their_king = King(self._board, not self._player, king)
#piece = their_king.king_movement()
#print(piece)
if their_king.king_movement().count("K") == 1:
return False
if knight:
their_knight = Knight(self._board, not self._player, knight)
if their_knight.knight_movement().count("K") == 1:
return False
return True
#MINIMIZE
else:
rook = self._board.generic_find("r")
#print("CHECKING")
if rook:
from .Rook import Rook
their_rook = Rook(self._board, self._player, rook)
#piece = their_rook.rook_piece_check()
if their_rook.rook_piece_check().count("K") == 1:
return False
knight = self._board.generic_find("n")
if knight:
from .Knight import Knight
their_knight = Knight(self._board, self._player, knight)
#piece = their_knight.knight_movement()
if their_knight.knight_movement().count("K") == 1:
return False
king = self._board.generic_find("k")
if king:
their_king = King(self._board, self._player, king)
#piece = their_king.king_movement()
if their_king.king_movement().count("K") == 1:
return False
return True
def update_figures(self, board):
for i in range(8):
for j in range(8):
type_of_piece = board[i][j][1]
color = board[i][j][0]
if type_of_piece == "q":
self.add_figure(Queen(j, i, color, type_of_piece))
if type_of_piece == "r":
self.add_figure(Rook(j, i, color, type_of_piece))
if type_of_piece == "b":
self.add_figure(Bishop(j, i, color, type_of_piece))
if type_of_piece == "k":
self.add_figure(Knight(j, i, color, type_of_piece))
if type_of_piece == "p":
self.add_figure(Pawn(j, i, color, type_of_piece))
if type_of_piece == "W":
self.add_figure(King(j, i, color, type_of_piece))
def knight_safety(self):
if not self._player:
their_knight = self._board.generic_find("n")
their_king = self._board.generic_find("k")
if their_knight:
knight_piece = Knight(self._board, not self._player, their_knight)
if knight_piece.knight_movement().count("N") == 1:
return False
if their_king:
from Pieces.King import King
king_piece = King(self._board, not self._player, their_king)
if king_piece.king_movement().count("N") == 1:
return False
return True
else:
max_knight = self._board.generic_find("n")
max_king = self._board.generic_find("k")
max_rook = self._board.generic_find("r")
if max_knight:
knight_piece = Knight(self._board, not self._player, max_knight)
what_piece = knight_piece.knight_movement()
if knight_piece.knight_movement().count("N") == 1:
return False
if max_king:
from Pieces.King import King
king_piece = King(self._board, not self._player, max_king)
what_piece = king_piece.king_movement()
if king_piece.king_movement().count("N") == 1:
return False
if max_rook:
from Pieces.Rook import Rook
rook_piece = Rook(self._board, not self._player, max_rook)
what_piece = rook_piece.rook_piece_check()
if rook_piece.rook_piece_check().count("N") == 1:
return False
return True
def initPlayerOne(playerOnePieces,board):
"""This populates the playerOnePieces (black) empty set with the player one's pieces. It also adds those pieces to the board
:param playerOnePieces: An empty set representing player one's pieces
:type playerOnePieces: set
:param board: A 2d list consisting of an 8 by 8 None objects and any prepopulated pieces
:type board: [list]
"""
#add pawns
#(self,board,color,group,row,col)
color="BLACK"
group=playerOnePieces
playerOnePieces.update({Pawn(board,color,group,2,'A'),Pawn(board,color,group,2,'B'),Pawn(board,color,group,2,'C'),Pawn(board,color,group,2,'D'),Pawn(board,color,group,2,'E'),Pawn(board,color,group,2,'F'),Pawn(board,color,group,2,'G'),Pawn(board,color,group,2,'H')})
#Add rank 1 pieces
playerOnePieces.update({Rook(board,color,group,1,'A'),Knight(board,color,group,1,'B'),Bishop(board,color,group,1,'C'),Queen(board,color,group,1,'D'),King(board,color,group,1,'E'),Bishop(board,color,group,1,'F'),Knight(board,color,group,1,'G'),Rook(board,color,group,1,'H')})
def paired_move(self):
yk = self._board.generic_find("K")
from Pieces.King import King
your_king = King(self._board, not self._player, yk)
return your_king.increase_movement(self._position)
def initPlayerTwo(playerTwoPieces,board):
"""This populates the playerTwoPieces (white) empty set with the player two's pieces. It also adds those pieces to the board
:param playerTwoPieces: An empty set representing player two's pieces
:type playerTwoePieces: set
:param board: A 2d list consisting of an 8 by 8 None objects and any prepopulated pieces
:type board: [list]
"""
color="WHITE"
group=playerTwoPieces
playerTwoPieces.update({Pawn(board,color,group,7,'A'),Pawn(board,color,group,7,'B'),Pawn(board,color,group,7,'C'),Pawn(board,color,group,7,'D'),Pawn(board,color,group,7,'E'),Pawn(board,color,group,7,'F'),Pawn(board,color,group,7,'G'),Pawn(board,color,group,7,'H')})
#Add rank 1 pieces
playerTwoPieces.update({Rook(board,color,group,8,'A'),Knight(board,color,group,8,'B'),Bishop(board,color,group,8,'C'),Queen(board,color,group,8,'D'),King(board,color,group,8,'E'),Bishop(board,color,group,8,'F'),Knight(board,color,group,8,'G'),Rook(board,color,group,8,'H')})
def heuristicX(position, player):
if position.is_checkmate():
return 800000
king_index = position.generic_find("K")
rook_index = position.generic_find("R")
knight_index = position.generic_find("N")
t_king_index = position.generic_find("k")
t_knight_index = position.generic_find("n")
if king_index:
king = King(position, not player, king_index)
paired_combo = position.paired_combo(player)
if rook_index:
rook = Rook(position, player, rook_index)
else:
return 0
if knight_index:
knight = Knight(position, player, knight_index)
#m_knight = Knight(position, not player, knight_index)
else:
knight = None
if t_king_index:
their_king = King(position, not player, t_king_index)
if t_knight_index:
their_knight = Knight(position, not player, t_knight_index)
#if an opponent piece can be eliminated do it
if position.check_board() and (king.king_safety() or king.king_movement().count("k") == 1)\
and (rook.rook_safety() or not rook.rook_safety() and king.king_movement().count("R") == 1):#and (king.king_movement().count("R") == 1 or king.increase_movement(rook_index)):
return 99999
if their_king.check_mated(king, knight, rook) and king.king_safety()\
and (king.king_movement().count("R") == 1 or knight.knight_movement().count("R") == 1\
or rook.rook_safety()):
return 1000
if not king.king_safety():
return -1000
if not knight.knight_safety():
return -1
if t_knight_index:
if king.king_movement().count("R") == 1 and their_king.king_movement().count("R") == 1\
and their_knight.knight_movement().count("R") == 0 and not rook.check_king_space(10):
#print("?")
return 200 + rook.trap_king() + \
(10 - abs(king_index // 10 - rook_index // 10)) + \
(10 - abs(knight_index // 10 - king_index // 10))+\
(100 - abs(knight_index - king_index ))
#(10 - abs(king_index // 10 - t_king_index // 10))
if t_knight_index:
if not rook.rook_safety() and their_knight.knight_movement().count(
"R") == 1:
return -5
if not rook.rook_safety() and king.king_movement().count("R") != 1:
return -4
#if rook.check_king_space(5):
# return 750 + rook.trap_king() + (100 - abs(knight_index - t_king_index))#+\
#(5-abs(knight_index // 10 - king_index // 10)) + (5-abs(knight_index % 10 - king_index % 10))
#if rook.check_king_space(7):
# return 650 + rook.trap_king()
if (t_king_index // 10 == 2 or t_king_index % 10 == 8\
or t_king_index // 10 == 8 or t_king_index % 10 == 1)\
and rook.check_king_space(10)\
and (king.increase_movement(rook_index) or king.king_movement().count("R") == 1)\
and (their_king.increase_movement(rook_index) or their_king.king_movement().count("R") == 1) and their_king.increase_movement(king_index):
if knight.knight_movement().count("k") == 1:
#print("A")
return 500 + rook.trap_king()
else:
#print("B")
return 500 + rook.trap_king() + (
5 - abs(knight_index // 10 - t_king_index // 10)) + (
5 - abs(knight_index % 10 - t_king_index % 10)) #+\
#(5-abs(rook_index // 10 - t_king_index // 10)) + (5-abs(rook_index % 10 - t_king_index % 10))
if rook.check_king_space(7) and king.king_movement().count("R") == 1\
and their_king.increase_movement(king_index):
#print("!")
if knight.knight_movement().count("k") == 1:
#print("?")
return 300 + rook.trap_king()
else:
#print("#")
return 100 + rook.trap_king() +\
(10 - abs(king_index // 10 - t_king_index // 10))\
+ (10 - abs(king_index % 10 - t_king_index % 10))+\
(100 - abs(knight_index - t_king_index))
if king.king_movement().count("R") == 1:
if king_index // 10 < rook_index // 10 and rook_index % 10 == king_index % 10:
pass
elif rook_index % 10 > t_king_index % 10:
#print("84")
return rook.trap_king() + (
10 - abs(king_index % 10 - t_king_index % 10))
elif rook_index % 10 < t_king_index % 10:
#print("85")
return rook.trap_king() + (
10 - abs(king_index % 10 - t_king_index % 10)) + (
10 - abs(king_index // 10 - t_king_index // 10))
if king.increase_movement(rook_index) and rook_index // 10 != 9\
and rook_index % 10 < t_king_index % 10:
return 20
if rook_index // 10 == 8 and king_index // 10 == 9\
and knight_index // 10 == 9:
return 10
return 0
def heuristicY(position):
try:
if position.is_checkmate():
return 900000
king_index = position.generic_find("K")
knight_index = position.generic_find("N")
max_rook_index = position.generic_find("r")
max_king_index = position.generic_find("k")
max_knight_index = position.generic_find("n")
if king_index:
king = King(position, king_index)
if knight_index:
knight = Knight(position, knight_index)
if max_rook_index:
max_rook = Rook(position, max_rook_index)
if max_king_index:
max_king = King(position, max_king_index)
if max_knight_index:
max_knight = Knight(position, max_knight_index)
#check for king's safety, if this position is poor return a low value
if not king.king_safety():
return -1000
if knight_index:
if not knight.knight_safety():
return -999
#if minimize player can eliminate an opponent piece do it
if position.check_board():
return 99999
if knight_index:
if knight.knight_movement().count("r") == 1:
return 157
if king_index and knight_index and max_rook_index:
if king.king_movement().count("r") == 1:
return 50 + (50 - abs(knight_index - max_rook_index))
if king_index // 10 == 4 or king_index // 10 == 5:
return 30 + (50 - abs(knight_index - max_rook_index))
if knight_index and max_rook_index and king_index:
if king_index % 10 == 5 or king_index % 10 == 6:
return 20 + (5 - abs(king_index // 10 - 5)) + (5 - abs(knight_index - max_rook_index))\
+ (5 - abs(king_index % 10 - 5))
if knight_index and max_rook_index:
return abs(knight_index % 10 - max_rook_index % 10) + abs(knight_index // 10 - max_rook_index // 10)\
+ (5- abs(king_index // 10 - 5))
elif max_rook_index:
return abs(king_index % 10 - max_rook_index % 10) + abs(king_index // 10 - max_rook_index // 10)
else:
return abs(king_index // 10 - 5) + abs(king_index % 10 - 5)
except Exception as error:
with open("error.txt", "a") as e:
e.write(str(error) + "\n")
return 1
def makeMove(self):
specialMove = False
boardCopy = copy.deepcopy(self.board)
prevPosition = self.piece.position
boardCopy.tiles[self.piece.position] = Tile(self.piece.position,
NullPiece())
enPassantHold = self.piece.position
#after first move, castling isn't allowed
if self.piece.toString().lower() == "k" or self.piece.toString().lower(
) == "r":
self.piece.moved = True
# deal with a queened pawn
if self.piece.toString().lower() == "p":
if self.piece.color == "White" and 56 <= self.coordinate < 64:
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, Queen("White", self.coordinate))
specialMove = True
elif self.piece.color == "Black" and 0 <= self.coordinate < 7:
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, Queen("Black", self.coordinate))
specialMove = True
#deal with en passant
if self.piece.toString().lower() == "p":
if self.piece.color == "White" and 32 <= enPassantHold < 39:
if self.coordinate - enPassantHold != 8:
if boardCopy.tiles[
self.coordinate].pieceOnTile.toString() == "-":
boardCopy.tiles[self.coordinate - 8] = Tile(
self.coordinate, NullPiece())
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, self.piece)
specialMove = True
elif self.piece.color == "Black" and 24 <= enPassantHold < 31:
if self.coordinate - enPassantHold != -8:
if boardCopy.tiles[
self.coordinate].pieceOnTile.toString() == "-":
boardCopy.tiles[self.coordinate + 8] = Tile(
self.coordinate, NullPiece())
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, self.piece)
specialMove = True
#deal with castling
if self.piece.toString() == "k":
if prevPosition == 4 and self.coordinate == 2:
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, King("White", self.coordinate))
boardCopy.tiles[0] = Tile(self.coordinate, NullPiece())
boardCopy.tiles[3] = Tile(self.coordinate, Rook("White", 3))
specialMove = True
if prevPosition == 4 and self.coordinate == 6:
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, King("White", self.coordinate))
boardCopy.tiles[7] = Tile(self.coordinate, NullPiece())
boardCopy.tiles[5] = Tile(self.coordinate, Rook("White", 5))
specialMove = True
if self.piece.toString() == "K":
if prevPosition == 60 and self.coordinate == 58:
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, King("Black", self.coordinate))
boardCopy.tiles[56] = Tile(self.coordinate, NullPiece())
boardCopy.tiles[59] = Tile(self.coordinate, Rook("Black", 59))
specialMove = True
if prevPosition == 60 and self.coordinate == 62:
boardCopy.tiles[self.coordinate] = Tile(
self.coordinate, King("Black", self.coordinate))
boardCopy.tiles[63] = Tile(self.coordinate, NullPiece())
boardCopy.tiles[61] = Tile(self.coordinate, Rook("Black", 61))
specialMove = True
if not specialMove:
self.piece.position = self.coordinate
boardCopy.tiles[self.coordinate] = Tile(self.coordinate,
self.piece)
friendlyKing = None
for tile in boardCopy.tiles.values():
if (tile.pieceOnTile.toString() == "K" and boardCopy.currentPlayer
== "Black") or (tile.pieceOnTile.toString() == "k"
and boardCopy.currentPlayer == "White"):
friendlyKing = tile.pieceOnTile
break
if friendlyKing.inCheck(boardCopy):
return False
return boardCopy