<a class='b' href='?to=e3'></a> <a class='w'></a> <a class='b'></a> <a class='w'></a> <span class='y'>2</span> <a class='w'>♙</a> <a class='b'>♙</a> <a class='w'>♙</a> <a class='b'>♙</a> <a class='w sel' href='?undo=e2'>♙</a> <a class='b'>♙</a> <a class='w'>♙</a> <a class='b'>♙</a> <span class='y'>1</span> <a class='b'>♖</a> <a class='w'>♘</a> <a class='b'>♗</a> <a class='w'>♕</a> <a class='b'>♔</a> <a class='w'>♗</a> <a class='b'>♘</a> <a class='w'>♖</a> </body> </html> ''' board = ChessBoard() board.draw(THEME_CLAIR)
class ChessGame(object):
def __init__(self):
self.chessboard = ChessBoard()
def start(self, computerstarts = True):
if computerstarts:
print 'Computer is white. Take this move, bitch!'
computer_color = 'white'
else:
print 'Computer is black. Please, make your move, punk!'
computer_color = 'black'
if computer_color == 'white':
self.chessboard.draw()
print 'Initial zobrist: ' + str(self.chessboard.zobrist_number)
#print 'Resulting score: ' + str(self.chessboard.evaluate(WHITE))
#print 'Hash key: ' + str(self.chessboard._hash_code)
depth_white = 4
depth_black = 5
n = 1
playing_color = WHITE
while 1:
if playing_color == WHITE:
depth = depth_white
else:
depth = depth_black
t0 = time.time()
# abscore, principal_variation = negamax.alphabeta(self.chessboard, depth, -INF, INF, playing_color)
t1 = time.time()
# print 'alphabeta: ' + str(t1 - t0) + ' ' + str(abscore)
# print [each.zobrist_number for each in principal_variation]
# abmemscore, principal_variation = negamax.alphabetamemory(self.chessboard, depth, -INF, INF, playing_color)
t2 = time.time()
# print 'alphabetamem: ' + str(t2 - t1) + ' ' + str(abmemscore)
# print [each.zobrist_number for each in principal_variation]
# idscore, principal_variation = negamax.iterativedeepeningalphabeta(self.chessboard, depth, playing_color)
t3 = time.time()
# print 'iterdeep: ' + str(t3 - t2) + ' ' + str(idscore)
# print [each.zobrist_number for each in principal_variation]
idmemscore, principal_variation = negamax.iterativedeepeningalphabetamemory(self.chessboard, depth, playing_color)
t4 = time.time()
# print 'iterdeepmem: ' + str(t4 - t3) + ' ' + str(idmemscore)
# print [each.zobrist_number for each in principal_variation]
# mtdfscore, principal_variation = negamax.mtdf(self.chessboard, depth, playing_color)
t5 = time.time()
# print 'mtdf: ' + str(t5 - t4) + ' ' + str(mtdfscore)
# print [each.zobrist_number for each in principal_variation]
# idmtdfscore, principal_variation = negamax.iterativedeepeningmtdf(self.chessboard, depth, playing_color)
t6 = time.time()
# print 'idmtdf: ' + str(t6 - t5) + ' ' + str(idmtdfscore)
# print [each.zobrist_number for each in principal_variation]
if len(principal_variation) == 1:
if playing_color == WHITE:
print 'BLACK WON'
else:
print 'WHITE WON'
break
print ''
if playing_color == WHITE:
print 'WHITE MOVED, n = ' + str(n)
else:
print 'BLACK MOVED, n = ' + str(n)
n += 1
self.chessboard = principal_variation[1]
self.chessboard.draw()
print 'Resulting score: ' + str(self.chessboard.evaluate())
print 'New zobrist number: ' + str(self.chessboard.zobrist_number)
flagline = 'En passant flags: '
for f in range(8):
flagline += str(self.chessboard.en_passant_flag(f))
flagline += ' Castling flags (wq, wk, bq, bk): '
if self.chessboard.castling_queen_side_flag(WHITE):
flagline += '1'
else:
flagline += '0'
if self.chessboard.castling_king_side_flag(WHITE):
flagline += '1'
else:
flagline += '0'
if self.chessboard.castling_queen_side_flag(BLACK):
flagline += '1'
else:
flagline += '0'
if self.chessboard.castling_king_side_flag(BLACK):
flagline += '1'
else:
flagline += '0'
print flagline
print ''
if playing_color == WHITE:
playing_color = BLACK
else:
playing_color = WHITE
class ChessGame(object):
def __init__(self):
self.chessboard = ChessBoard()
def start(self, computerstarts=True):
if computerstarts:
print('Computer is white. Take this move, bitch!')
computer_color = 'white'
else:
print('Computer is black. Please, make your move, punk!')
computer_color = 'black'
if computer_color == 'white':
self.chessboard.draw()
print('Initial zobrist: ' + str(self.chessboard.zobrist_number))
#print 'Resulting score: ' + str(self.chessboard.evaluate(WHITE))
#print 'Hash key: ' + str(self.chessboard._hash_code)
depth_white = 4
depth_black = 5
n = 1
playing_color = WHITE
while 1:
if playing_color == WHITE:
depth = depth_white
else:
depth = depth_black
t0 = time.time()
# abscore, principal_variation = negamax.alphabeta(self.chessboard, depth, -INF, INF, playing_color)
t1 = time.time()
# print 'alphabeta: ' + str(t1 - t0) + ' ' + str(abscore)
# print [each.zobrist_number for each in principal_variation]
# abmemscore, principal_variation = negamax.alphabetamemory(self.chessboard, depth, -INF, INF, playing_color)
t2 = time.time()
# print 'alphabetamem: ' + str(t2 - t1) + ' ' + str(abmemscore)
# print [each.zobrist_number for each in principal_variation]
# idscore, principal_variation = negamax.iterativedeepeningalphabeta(self.chessboard, depth, playing_color)
t3 = time.time()
# print 'iterdeep: ' + str(t3 - t2) + ' ' + str(idscore)
# print [each.zobrist_number for each in principal_variation]
idmemscore, principal_variation = negamax.iterativedeepeningalphabetamemory(
self.chessboard, depth, playing_color)
t4 = time.time()
# print 'iterdeepmem: ' + str(t4 - t3) + ' ' + str(idmemscore)
# print [each.zobrist_number for each in principal_variation]
# mtdfscore, principal_variation = negamax.mtdf(self.chessboard, depth, playing_color)
t5 = time.time()
# print 'mtdf: ' + str(t5 - t4) + ' ' + str(mtdfscore)
# print [each.zobrist_number for each in principal_variation]
# idmtdfscore, principal_variation = negamax.iterativedeepeningmtdf(self.chessboard, depth, playing_color)
t6 = time.time()
# print 'idmtdf: ' + str(t6 - t5) + ' ' + str(idmtdfscore)
# print [each.zobrist_number for each in principal_variation]
if len(principal_variation) == 1:
if playing_color == WHITE:
print('BLACK WON')
else:
print('WHITE WON')
break
print('')
if playing_color == WHITE:
print('WHITE MOVED, n = ' + str(n))
else:
print('BLACK MOVED, n = ' + str(n))
n += 1
self.chessboard = principal_variation[1]
self.chessboard.draw()
print('Resulting score: ' + str(self.chessboard.evaluate()))
print('New zobrist number: ' +
str(self.chessboard.zobrist_number))
flagline = 'En passant flags: '
for f in range(8):
flagline += str(self.chessboard.en_passant_flag(f))
flagline += ' Castling flags (wq, wk, bq, bk): '
if self.chessboard.castling_queen_side_flag(WHITE):
flagline += '1'
else:
flagline += '0'
if self.chessboard.castling_king_side_flag(WHITE):
flagline += '1'
else:
flagline += '0'
if self.chessboard.castling_queen_side_flag(BLACK):
flagline += '1'
else:
flagline += '0'
if self.chessboard.castling_king_side_flag(BLACK):
flagline += '1'
else:
flagline += '0'
print(flagline)
print('')
if playing_color == WHITE:
playing_color = BLACK
else:
playing_color = WHITE
