def quiescence1(self, player, state, alpha, beta, depth):
best = self.evolution(state, player) * player
if(best >= beta):
return best
if(self.b.playercolor == "white"):
if(player > 0):
pawn_move = -1
else:
pawn_move = 1
else:
if(player < 0):
pawn_move = 1
else:
pawn_move = -1
for i in range(8):
for j in range(8):
if(state[i][j] * player > 0):
f = PieceMap.getCaptureFun(state[i][j])
moves = []
if(abs(state[i][j]) == 6):
moves = f([i,j],state,pawn_move)
elif(abs(state[i][j] != 0)):
moves = f([i,j],state)
if(depth <= 0 and len(moves) <= 0):
continue
for move in moves:
t = state[move[0]][move[1]]
state[move[0]][move[1]] = state[i][j]
temp = -self.quiescence1(-player, [[x for x in y] for y in state], -beta, max(alpha, best), depth-1)
state[move[0]][move[1]] = t
best = max(temp, best)
if(best >= beta):
return best
return best
def capture_successor(self, colour, board):
allmoves = []
if(self.playercolor == "white"):
if(colour > 0):
pawn_move = -1
else:
pawn_move = 1
else:
if(colour < 0):
pawn_move = 1
else:
pawn_move = -1
if(colour > 0):
for i in range(8):
for j in range(8):
if(board[i][j] > 0):
start = board[i][j]
#f = PieceMap.getFun(board[i][j])
f = PieceMap.getCaptureFun(board[i][j])
if(abs(board[i][j]) == 6):
moves = f([i,j],board,pawn_move)
else:
moves = f([i,j],board)
'''
if(len(moves) <= 0):
f = PieceMap.getFun(board[i][j])
if(abs(board[i][j]) == 6):
moves = f([i,j],board,pawn_move)
else:
moves = f([i,j],board)
'''
for move in moves:
end = board[move[0]][move[1]]
board[i][j] = 0
board[move[0]][move[1]] = start
if(not self.ischeck(board, colour)):
allmoves.append([[_i for _i in _j] for _j in board])
board[i][j] = start
board[move[0]][move[1]] = end
elif(colour < 0):
for i in range(8):
for j in range(8):
if(board[i][j] < 0):
start = board[i][j]
f = PieceMap.getFun(board[i][j])
#f = PieceMap.getCaptureFun(board[i][j])
if(abs(board[i][j]) == 6):
moves = f([i,j],board,pawn_move)
else:
moves = f([i,j],board)
'''
if(len(moves) <= 0):
f = PieceMap.getFun(board[i][j])
if(abs(board[i][j]) == 6):
moves = f([i,j],board,pawn_move)
else:
moves = f([i,j],board)
'''
for move in moves:
end = board[move[0]][move[1]]
board[i][j] = 0
board[move[0]][move[1]] = start
if(not self.ischeck(board, colour)):
allmoves.append([[_i for _i in _j] for _j in board])
board[i][j] = start
board[move[0]][move[1]] = end
return allmoves