def pv_to_san(self):
if(self.san_arr == None):
return ""
else:
try:
pv_san = []
board = Bitboard(self.san_arr[0])
moves = self.san_arr[1]
for uci in moves:
move = Move.from_uci(uci)
if(move in board.pseudo_legal_moves):
pv_san.append(board.san(move))
board.push(move)
if(len(pv_san) > 0):
s = ""
white_moves = True
move_no = (self.no_game_halfmoves//2)+1
if(self.no_game_halfmoves % 2 == 1):
white_moves = False
s += str(move_no)+". ... "
move_no += 1
for san in pv_san:
if(white_moves):
s += " "+str(move_no)+". "+san
move_no +=1
else:
s += " "+san
white_moves = not white_moves
return s
else:
return ""
except ValueError:
return ""
