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 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 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 heuristicX(position):
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, king_index)
if rook_index:
rook = Rook(position, rook_index)
else:
return 0
if knight_index:
knight = Knight(position, knight_index)
else:
knight = None
if t_king_index:
their_king = King(position, t_king_index)
if t_knight_index:
their_knight = Knight(position, t_knight_index)
if king.king_movement().count("k") == 1 and king.king_safety():
return 99999
if rook.rook_piece_check().count(
"k") == 1 and rook.rook_safety() and not king.king_safety():
return 999
#if minimize player can eliminate an opponent piece do it
if position.check_board() and rook.rook_safety():
return 99999
#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):
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() and king.king_movement().count("N") == 0\
and rook.rook_piece_check().count("N") == 0:
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(t_king_index,10):
return 200 + rook.trap_king(t_king_index) + \
(10 - abs(king_index // 10 - rook_index // 10)) + \
(10 - abs(knight_index // 10 - king_index // 10))+\
(100 - abs(knight_index - king_index ))
if t_knight_index:
if not rook.rook_safety() and their_knight.knight_movement().count(
"R") == 1:
return -5
if not rook.rook_safety():
return -4
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(t_king_index, 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:
return 500 + rook.trap_king(t_king_index)
else:
return 500 + rook.trap_king(t_king_index) + (5 - abs(knight_index//10 - t_king_index//10))\
+ (5 - abs(knight_index % 10 - t_king_index % 10))
if rook.check_king_space(t_king_index, 7) and king.king_movement().count("R") == 1\
and their_king.increase_movement(king_index):
if knight.knight_movement().count("k") == 1:
return 300 + rook.trap_king(t_king_index)
else:
return 100 + rook.trap_king(t_king_index) +\
(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:
return rook.trap_king(t_king_index) + (
10 - abs(king_index % 10 - t_king_index % 10))
elif rook_index % 10 < t_king_index % 10:
return rook.trap_king(t_king_index)+ (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