API tools faq
paste
Advertisement
max2201111

posledni cerny bily pesec OK 4

max2201111
Jul 23rd, 2024
163
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Python 31.31 KB | Science | 0 0
raw download clone embed print report
  1. # Import knihovny chess a dalších potřebných modulů
  2. import chess
  3. from typing import Iterator, Optional, Dict, Tuple
  4. from chess import Move, BB_ALL, Bitboard, PieceType, Color
  5. import time
  6. from collections import deque
  7. import threading
  8.  
  9. # Definice nových figur
  10. AMAZON = 7
  11. CYRIL = 8
  12. EVE = 9
  13.  
  14. # Rozšíření seznamu PIECE_SYMBOLS
  15. chess.PIECE_SYMBOLS.append('a')
  16. chess.PIECE_SYMBOLS.append('c')
  17. chess.PIECE_SYMBOLS.append('e')
  18.  
  19. class CustomBoard(chess.Board):
  20.     def __init__(self, fen=None):
  21.         self.amazons_white = chess.BB_EMPTY
  22.         self.amazons_black = chess.BB_EMPTY
  23.         self.cyrils_white = chess.BB_EMPTY
  24.         self.cyrils_black = chess.BB_EMPTY
  25.         self.eves_white = chess.BB_EMPTY
  26.         self.eves_black = chess.BB_EMPTY
  27.         super().__init__(None)
  28.         if fen:
  29.             self.set_custom_fen(fen)
  30.     #    print("Šachovnice inicializována")
  31.         self.debug_amazons()
  32.         self.debug_cyrils()
  33.         self.debug_eves()
  34.  
  35.     def clear_square(self, square):
  36.         super()._remove_piece_at(square)
  37.         self.amazons_white &= ~chess.BB_SQUARES[square]
  38.         self.amazons_black &= ~chess.BB_SQUARES[square]
  39.         self.cyrils_white &= ~chess.BB_SQUARES[square]
  40.         self.cyrils_black &= ~chess.BB_SQUARES[square]
  41.         self.eves_white &= ~chess.BB_SQUARES[square]
  42.         self.eves_black &= ~chess.BB_SQUARES[square]
  43.  
  44.     def set_custom_fen(self, fen):
  45.         parts = fen.split()
  46.         board_part = parts[0]
  47.  
  48.         self.clear()
  49.         self.amazons_white = chess.BB_EMPTY
  50.         self.amazons_black = chess.BB_EMPTY
  51.         self.cyrils_white = chess.BB_EMPTY
  52.         self.cyrils_black = chess.BB_EMPTY
  53.         self.eves_white = chess.BB_EMPTY
  54.         self.eves_black = chess.BB_EMPTY
  55.  
  56.         square = 56
  57.         for c in board_part:
  58.             if c == '/':
  59.                 square -= 16
  60.             elif c.isdigit():
  61.                 square += int(c)
  62.             else:
  63.                 color = chess.WHITE if c.isupper() else chess.BLACK
  64.                 if c.upper() == 'A':
  65.                     if color == chess.WHITE:
  66.                         self.amazons_white |= chess.BB_SQUARES[square]
  67.                     else:
  68.                         self.amazons_black |= chess.BB_SQUARES[square]
  69.                     piece_type = AMAZON
  70.                 elif c.upper() == 'C':
  71.                     if color == chess.WHITE:
  72.                         self.cyrils_white |= chess.BB_SQUARES[square]
  73.                     else:
  74.                         self.cyrils_black |= chess.BB_SQUARES[square]
  75.                     piece_type = CYRIL
  76.                 elif c.upper() == 'E':
  77.                     if color == chess.WHITE:
  78.                         self.eves_white |= chess.BB_SQUARES[square]
  79.                     else:
  80.                         self.eves_black |= chess.BB_SQUARES[square]
  81.                     piece_type = EVE
  82.                 else:
  83.                     piece_type = chess.PIECE_SYMBOLS.index(c.lower())
  84.                 self._set_piece_at(square, piece_type, color)
  85.                 square += 1
  86.  
  87.         self.turn = chess.WHITE if parts[1] == 'w' else chess.BLACK
  88.         self.castling_rights = chess.BB_EMPTY
  89.         if '-' not in parts[2]:
  90.             if 'K' in parts[2]: self.castling_rights |= chess.BB_H1
  91.             if 'Q' in parts[2]: self.castling_rights |= chess.BB_A1
  92.             if 'k' in parts[2]: self.castling_rights |= chess.BB_H8
  93.             if 'q' in parts[2]: self.castling_rights |= chess.BB_A8
  94.         self.ep_square = chess.parse_square(parts[3]) if parts[3] != '-' else None
  95.  
  96.     def _set_piece_at(self, square: chess.Square, piece_type: PieceType, color: Color) -> None:
  97.         self.clear_square(square)
  98.         super()._set_piece_at(square, piece_type, color)
  99.         if piece_type == AMAZON:
  100.             if color == chess.WHITE:
  101.                 self.amazons_white |= chess.BB_SQUARES[square]
  102.             else:
  103.                 self.amazons_black |= chess.BB_SQUARES[square]
  104.         elif piece_type == CYRIL:
  105.             if color == chess.WHITE:
  106.                 self.cyrils_white |= chess.BB_SQUARES[square]
  107.             else:
  108.                 self.cyrils_black |= chess.BB_SQUARES[square]
  109.         elif piece_type == EVE:
  110.             if color == chess.WHITE:
  111.                 self.eves_white |= chess.BB_SQUARES[square]
  112.             else:
  113.                 self.eves_black |= chess.BB_SQUARES[square]
  114.  
  115.     def piece_at(self, square: chess.Square) -> Optional[chess.Piece]:
  116.         if self.amazons_white & chess.BB_SQUARES[square]:
  117.             return chess.Piece(AMAZON, chess.WHITE)
  118.         elif self.amazons_black & chess.BB_SQUARES[square]:
  119.             return chess.Piece(AMAZON, chess.BLACK)
  120.         elif self.cyrils_white & chess.BB_SQUARES[square]:
  121.             return chess.Piece(CYRIL, chess.WHITE)
  122.         elif self.cyrils_black & chess.BB_SQUARES[square]:
  123.             return chess.Piece(CYRIL, chess.BLACK)
  124.         elif self.eves_white & chess.BB_SQUARES[square]:
  125.             return chess.Piece(EVE, chess.WHITE)
  126.         elif self.eves_black & chess.BB_SQUARES[square]:
  127.             return chess.Piece(EVE, chess.BLACK)
  128.         return super().piece_at(square)
  129.  
  130.     def generate_pseudo_legal_moves(self, from_mask: Bitboard = BB_ALL, to_mask: Bitboard = BB_ALL) -> Iterator[Move]:
  131.         our_pieces = self.occupied_co[self.turn]
  132.         if self.turn == chess.WHITE:
  133.             our_amazons = self.amazons_white
  134.             our_cyrils = self.cyrils_white
  135.             our_eves = self.eves_white
  136.         else:
  137.             our_amazons = self.amazons_black
  138.             our_cyrils = self.cyrils_black
  139.             our_eves = self.eves_black
  140.    
  141.         # Generování tahů pro amazonky
  142.         for from_square in chess.scan_forward(our_amazons & from_mask):
  143.             attacks = self.amazon_attacks(from_square)
  144.             valid_moves = attacks & ~our_pieces & to_mask
  145.             for to_square in chess.scan_forward(valid_moves):
  146.                 yield Move(from_square, to_square)
  147.    
  148.         # Generování tahů pro Cyrily
  149.         for from_square in chess.scan_forward(our_cyrils & from_mask):
  150.             attacks = self.cyril_attacks(from_square)
  151.             valid_moves = attacks & ~our_pieces & to_mask
  152.             for to_square in chess.scan_forward(valid_moves):
  153.                 yield Move(from_square, to_square)
  154.    
  155.         # Generování tahů pro Evy
  156.         for from_square in chess.scan_forward(our_eves & from_mask):
  157.             attacks = self.eve_attacks(from_square)
  158.             valid_moves = attacks & ~our_pieces & to_mask
  159.             for to_square in chess.scan_forward(valid_moves):
  160.                 yield Move(from_square, to_square)
  161.    
  162.         # Generování tahů pro standardní figury
  163.         for move in super().generate_pseudo_legal_moves(from_mask, to_mask):
  164.             piece = self.piece_at(move.from_square)
  165.             if piece and piece.piece_type not in [AMAZON, CYRIL, EVE]:
  166.                 yield move
  167.  
  168.     def queen_attacks(self, square):
  169.         return self.bishop_attacks(square) | self.rook_attacks(square)
  170.  
  171.     def bishop_attacks(self, square):
  172.         return chess.BB_DIAG_ATTACKS[square][self.occupied & chess.BB_DIAG_MASKS[square]]
  173.  
  174.     def rook_attacks(self, square):
  175.         return (chess.BB_RANK_ATTACKS[square][self.occupied & chess.BB_RANK_MASKS[square]] |
  176.                 chess.BB_FILE_ATTACKS[square][self.occupied & chess.BB_FILE_MASKS[square]])
  177.  
  178.     def amazon_attacks(self, square):
  179.         return self.queen_attacks(square) | chess.BB_KNIGHT_ATTACKS[square]
  180.  
  181.     def cyril_attacks(self, square):
  182.         return self.rook_attacks(square) | chess.BB_KNIGHT_ATTACKS(square)
  183.  
  184.     def eve_attacks(self, square):
  185.         return self.bishop_attacks(square) | chess.BB_KNIGHT_ATTACKS(square)
  186.  
  187.     def is_pseudo_legal(self, move):
  188.         from_square = move.from_square
  189.         to_square = move.to_square
  190.         piece = self.piece_at(from_square)
  191.    
  192.         if not piece or piece.color != self.turn:
  193.             return False
  194.    
  195.         if self.occupied_co[self.turn] & chess.BB_SQUARES[to_square]:
  196.             return False
  197.    
  198.         if self.is_castling(move):
  199.             return True
  200.    
  201.         if piece.piece_type == AMAZON:
  202.             return bool(self.amazon_attacks(from_square) & chess.BB_SQUARES[to_square])
  203.         elif piece.piece_type == CYRIL:
  204.             return bool(self.cyril_attacks(from_square) & chess.BB_SQUARES[to_square])
  205.         elif piece.piece_type == EVE:
  206.             return bool(self.eve_attacks(from_square) & chess.BB_SQUARES[to_square])
  207.         else:
  208.             return super().is_pseudo_legal(move)
  209.  
  210.     def is_legal(self, move):
  211.         if not self.is_pseudo_legal(move):
  212.             return False
  213.  
  214.         from_square = move.from_square
  215.         to_square = move.to_square
  216.         piece = self.piece_at(from_square)
  217.         captured_piece = self.piece_at(to_square)
  218.  
  219.         self.clear_square(from_square)
  220.         self.clear_square(to_square)
  221.         self._set_piece_at(to_square, piece.piece_type, piece.color)
  222.  
  223.         king_square = to_square if piece.piece_type == chess.KING else self.king(self.turn)
  224.         is_check = self._is_attacked_by(not self.turn, king_square)
  225.  
  226.         self.clear_square(to_square)
  227.         self._set_piece_at(from_square, piece.piece_type, piece.color)
  228.         if captured_piece:
  229.             self._set_piece_at(to_square, captured_piece.piece_type, captured_piece.color)
  230.  
  231.         if is_check:
  232.             attackers = self.attackers(not self.turn, king_square)
  233.     #        print(f"[DEBUG] King at {chess.SQUARE_NAMES[king_square]} is attacked by pieces at: {[chess.SQUARE_NAMES[sq] for sq in chess.scan_forward(attackers)]}")
  234.  
  235.         return not is_check
  236.  
  237.     def _is_attacked_by(self, color, square):
  238.         attackers = self.attackers(color, square)
  239.         return bool(attackers)
  240.  
  241.     def attackers(self, color, square):
  242.         attackers = chess.BB_EMPTY
  243.        
  244.         # Knights
  245.         knights = self.knights & self.occupied_co[color]
  246.         if chess.BB_KNIGHT_ATTACKS[square] & knights:
  247.             attackers |= knights & chess.BB_KNIGHT_ATTACKS[square]
  248.        
  249.         # King
  250.         king = self.kings & self.occupied_co[color]
  251.         if chess.BB_KING_ATTACKS[square] & king:
  252.             attackers |= king
  253.        
  254.         # Pawns
  255.         pawns = self.pawns & self.occupied_co[color]
  256.         pawn_attacks = chess.BB_PAWN_ATTACKS[not color][square]
  257.         if pawn_attacks & pawns:
  258.             attackers |= pawns & pawn_attacks
  259.        
  260.         # Queens
  261.         queens = self.queens & self.occupied_co[color]
  262.         queen_attacks = (
  263.             chess.BB_DIAG_ATTACKS[square][self.occupied & chess.BB_DIAG_MASKS[square]] |
  264.             chess.BB_RANK_ATTACKS[square][self.occupied & chess.BB_RANK_MASKS[square]] |
  265.             chess.BB_FILE_ATTACKS[square][self.occupied & chess.BB_FILE_MASKS[square]]
  266.         )
  267.         if queen_attacks & queens:
  268.             attackers |= queens & queen_attacks
  269.        
  270.         # Bishops
  271.         bishops = self.bishops & self.occupied_co[color]
  272.         bishop_attacks = chess.BB_DIAG_ATTACKS[square][self.occupied & chess.BB_DIAG_MASKS[square]]
  273.         if bishop_attacks & bishops:
  274.             attackers |= bishops & bishop_attacks
  275.        
  276.         # Rooks
  277.         rooks = self.rooks & self.occupied_co[color]
  278.         rook_attacks = (
  279.             chess.BB_RANK_ATTACKS[square][self.occupied & chess.BB_RANK_MASKS[square]] |
  280.             chess.BB_FILE_ATTACKS[square][self.occupied & chess.BB_FILE_MASKS[square]]
  281.         )
  282.         if rook_attacks & rooks:
  283.             attackers |= rooks & rook_attacks
  284.        
  285.         # Amazons (Queen + Knight)
  286.         amazons = self.amazons_white if color == chess.WHITE else self.amazons_black
  287.         for amazon_square in chess.scan_forward(amazons):
  288.             amazon_attacks = (
  289.                 chess.BB_DIAG_ATTACKS[amazon_square][self.occupied & chess.BB_DIAG_MASKS[amazon_square]] |
  290.                 chess.BB_RANK_ATTACKS[amazon_square][self.occupied & chess.BB_RANK_MASKS[amazon_square]] |
  291.                 chess.BB_FILE_ATTACKS[amazon_square][self.occupied & chess.BB_FILE_MASKS[amazon_square]] |
  292.                 chess.BB_KNIGHT_ATTACKS[amazon_square]
  293.             )
  294.             if amazon_attacks & chess.BB_SQUARES[square]:
  295.                 attackers |= chess.BB_SQUARES[amazon_square]
  296.        
  297.         # Cyrils (Rook + Knight)
  298.         cyrils = self.cyrils_white if color == chess.WHITE else self.cyrils_black
  299.         for cyril_square in chess.scan_forward(cyrils):
  300.             cyril_attacks = (
  301.                 chess.BB_RANK_ATTACKS[cyril_square][self.occupied & chess.BB_RANK_MASKS[cyril_square]] |
  302.                 chess.BB_FILE_ATTACKS[cyril_square][self.occupied & chess.BB_FILE_MASKS[cyril_square]] |
  303.                 chess.BB_KNIGHT_ATTACKS[cyril_square]
  304.             )
  305.             if cyril_attacks & chess.BB_SQUARES[square]:
  306.                 attackers |= chess.BB_SQUARES[cyril_square]
  307.        
  308.         # Eves (Bishop + Knight)
  309.         eves = self.eves_white if color == chess.WHITE else self.eves_black
  310.         for eve_square in chess.scan_forward(eves):
  311.             eve_attacks = (
  312.                 chess.BB_DIAG_ATTACKS[eve_square][self.occupied & chess.BB_DIAG_MASKS[eve_square]] |
  313.                 chess.BB_KNIGHT_ATTACKS[eve_square]
  314.             )
  315.             if eve_attacks & chess.BB_SQUARES[square]:
  316.                 attackers |= chess.BB_SQUARES[eve_square]
  317.        
  318.         return attackers
  319.        
  320.  
  321.     def push(self, move):
  322.         if not self.is_legal(move):
  323.             raise ValueError(f"Move {move} is not legal in position {self.fen()}")
  324.  
  325.         piece = self.piece_at(move.from_square)
  326.         captured_piece = self.piece_at(move.to_square)
  327.  
  328.         self.clear_square(move.from_square)
  329.         self.clear_square(move.to_square)
  330.         self._set_piece_at(move.to_square, piece.piece_type, piece.color)
  331.  
  332.         self.turn = not self.turn
  333.  
  334.         self.move_stack.append((move, captured_piece))
  335.  
  336.     def pop(self):
  337.         if not self.move_stack:
  338.             return None
  339.  
  340.         move, captured_piece = self.move_stack.pop()
  341.  
  342.         piece = self.piece_at(move.to_square)
  343.        
  344.         self.clear_square(move.from_square)
  345.         self.clear_square(move.to_square)
  346.  
  347.         self._set_piece_at(move.from_square, piece.piece_type, piece.color)
  348.  
  349.         if captured_piece:
  350.             self._set_piece_at(move.to_square, captured_piece.piece_type, captured_piece.color)
  351.  
  352.         self.turn = not self.turn
  353.  
  354.         return move
  355.  
  356.     def is_check(self):
  357.         king_square = self.king(self.turn)
  358.         if king_square is None:
  359.             return False
  360.         is_check = self._is_attacked_by(not self.turn, king_square)
  361.   #      print(f"[DEBUG] Checking if position is check: FEN: {self.fen()}, King at {chess.SQUARE_NAMES[king_square]}, is_check: {is_check}")
  362.         return is_check
  363.  
  364.     def is_checkmate(self):
  365.         if not self.is_check():
  366.   #          print(f"[DEBUG] Position is not check, hence not checkmate: FEN: {self.fen()}")
  367.             return False
  368.         legal_moves = list(self.generate_legal_moves())
  369.  #       print(f"[DEBUG] Checking if position is checkmate: FEN: {self.fen()}, Legal moves: {legal_moves}")
  370.         return len(legal_moves) == 0
  371.  
  372.     def is_game_over(self):
  373.         return self.is_checkmate() or self.is_stalemate() or self.is_insufficient_material()
  374.  
  375.     def is_stalemate(self):
  376.         if self.is_check():
  377.             return False
  378.         legal_moves = list(self.generate_legal_moves())
  379.   #      print(f"[DEBUG] Checking if position is stalemate: FEN: {self.fen()}, Legal moves: {legal_moves}")
  380.         return len(legal_moves) == 0
  381.    
  382.     def is_insufficient_material(self):
  383.         return (self.pawns | self.rooks | self.queens | self.amazons_white | self.amazons_black |
  384.                 self.cyrils_white | self.cyrils_black | self.eves_white | self.eves_black) == 0 and (
  385.             chess.popcount(self.occupied) <= 3
  386.         )
  387.  
  388.     def generate_legal_moves(self, from_mask=chess.BB_ALL, to_mask=chess.BB_ALL):
  389.         for move in self.generate_pseudo_legal_moves(from_mask, to_mask):
  390.             if self.is_legal(move):
  391.       #          print(f"[DEBUG] Legal move: {move}")
  392.                 yield move
  393.        #     else:
  394.         #        print(f"[DEBUG] Illegal move: {move}")
  395.  
  396.     def debug_amazons(self):
  397.         pass
  398.       #  print(f"Bitboard bílých amazonek: {format(self.amazons_white, '064b')}")
  399.     #   print(f"Bitboard černých amazonek: {format(self.amazons_black, '064b')}")
  400.         for square in chess.SQUARES:
  401.             pass
  402.        #     if self.amazons_white & chess.BB_SQUARES[square]:
  403.        #         print(f"Bílá amazonka na {chess.SQUARE_NAMES[square]}")
  404.      #       if self.amazons_black & chess.BB_SQUARES[square]:
  405.        #         print(f"Černá amazonka na {chess.SQUARE_NAMES[square]}")
  406.  
  407.     def debug_cyrils(self):
  408.         pass
  409.        # print(f"Bitboard bílých Cyrils: {format(self.cyrils_white, '064b')}")
  410.        # print(f"Bitboard černých Cyrils: {format(self.cyrils_black, '064b')}")
  411.        # for square in chess.SQUARES:
  412.        #     if self.cyrils_white & chess.BB_SQUARES[square]:
  413.       #          print(f"Bílý Cyril na {chess.SQUARE_NAMES[square]}")
  414.      #       if self.cyrils_black & chess.BB_SQUARES[square]:
  415.     #            print(f"Černý Cyril na {chess.SQUARE_NAMES[square]}")
  416.  
  417.     def debug_eves(self):
  418.         pass
  419.     #    print(f"Bitboard bílých Eves: {format(self.eves_white, '064b')}")
  420.      #   print(f"Bitboard černých Eves: {format(self.eves_black, '064b')}")
  421.       #  for square in chess.SQUARES:
  422.       #      if self.eves_white & chess.BB_SQUARES[square]:
  423.           #      print(f"Bílá Eve na {chess.SQUARE_NAMES[square]}")
  424.        #     if self.eves_black & chess.BB_SQUARES[square]:
  425.        #         print(f"Černá Eve na {chess.SQUARE_NAMES[square]}")
  426.  
  427.     def piece_symbol(self, piece):
  428.         if piece is None:
  429.             return '.'
  430.         if piece.piece_type == AMAZON:
  431.             return 'A' if piece.color == chess.WHITE else 'a'
  432.         if piece.piece_type == CYRIL:
  433.             return 'C' if piece.color == chess.WHITE else 'c'
  434.         if piece.piece_type == EVE:
  435.             return 'E' if piece.color == chess.WHITE else 'e'
  436.         return piece.symbol()
  437.  
  438.     def piece_type_at(self, square):
  439.         if (self.amazons_white | self.amazons_black) & chess.BB_SQUARES[square]:
  440.             return AMAZON
  441.         if (self.cyrils_white | self.cyrils_black) & chess.BB_SQUARES[square]:
  442.             return CYRIL
  443.         if (self.eves_white | self.eves_black) & chess.BB_SQUARES[square]:
  444.             return EVE
  445.         return super().piece_type_at(square)
  446.  
  447.     def color_at(self, square):
  448.         if self.amazons_white & chess.BB_SQUARES[square]:
  449.             return chess.WHITE
  450.         if self.amazons_black & chess.BB_SQUARES[square]:
  451.             return chess.BLACK
  452.         if self.cyrils_white & chess.BB_SQUARES[square]:
  453.             return chess.WHITE
  454.         if self.cyrils_black & chess.BB_SQUARES[square]:
  455.             return chess.BLACK
  456.         if self.eves_white & chess.BB_SQUARES[square]:
  457.             return chess.WHITE
  458.         if self.eves_black & chess.BB_SQUARES[square]:
  459.             return chess.BLACK
  460.         return super().color_at(square)
  461.  
  462.     @property
  463.     def legal_moves(self):
  464.         return list(self.generate_legal_moves())
  465.  
  466.     def __str__(self):
  467.         builder = []
  468.         for square in chess.SQUARES_180:
  469.             piece = self.piece_at(square)
  470.             symbol = self.piece_symbol(piece) if piece else '.'
  471.             builder.append(symbol)
  472.             if chess.square_file(square) == 7:
  473.                 if square != chess.H1:
  474.                     builder.append('\n')
  475.         return ''.join(builder)
  476.  
  477.     def print_all_possible_moves(self):
  478.         pass
  479.     #    print(f"[DEBUG] All possible moves for FEN: {self.fen()}")
  480.   #      for move in self.generate_pseudo_legal_moves():
  481.    #         print(f"Move: {move}, Is legal: {self.is_legal(move)}")
  482.  
  483.  
  484. def format_time(seconds):
  485.     hours, remainder = divmod(seconds, 3600)
  486.     minutes, seconds = divmod(remainder, 60)
  487.     return f"{int(hours):02d}h {int(minutes):02d}m {int(seconds):02d}s"
  488.  
  489. def print_elapsed_time(stop_event, start_time):
  490.     while not stop_event.is_set():
  491.         elapsed_time = time.time() - start_time
  492.         print(f"\rUplynulý čas: {format_time(elapsed_time)}", end="", flush=True)
  493.         time.sleep(1)
  494.  
  495. def simplify_fen_string(fen):
  496.     return ' '.join(fen.split()[:4])
  497.  
  498.  
  499. def calculate_optimal_moves(start_fen: str) -> Dict[str, Tuple[int, str]]:
  500.     print("Funkce calculate_optimal_moves byla zavolána")
  501.     print(f"Počáteční FEN: {start_fen}")
  502.    
  503.     board = CustomBoard(start_fen)
  504.     POZ = {1: simplify_fen_string(start_fen)}
  505.     AR = {simplify_fen_string(start_fen): {'used': 0, 'to_end': None, 'depth': 0, 'type': 'normal'}}
  506.     N = 1
  507.     M = 0
  508.  
  509.     start_time = time.time()
  510.     current_depth = 0
  511.     positions_at_depth = {0: 0}
  512.     depth_start_time = start_time
  513.  
  514.     stop_event = threading.Event()
  515.     timer_thread = threading.Thread(target=print_elapsed_time, args=(stop_event, start_time))
  516.     timer_thread.start()
  517.  
  518.     try:
  519.         print("Začínám generovat pozice...")
  520.         print("Počáteční pozice:")
  521.         print_board(start_fen)
  522.        
  523.         depth_1_positions = []  # Seznam pro ukládání pozic v hloubce 1
  524.  
  525.         # Generate all positions
  526.         while M < N:
  527.             M += 1
  528.             current_fen = POZ[M]
  529.             board.set_custom_fen(current_fen)
  530.             simplified_current_fen = simplify_fen_string(current_fen)
  531.             current_depth = AR[simplified_current_fen]['depth']
  532.  
  533.             if current_depth not in positions_at_depth:
  534.                 positions_at_depth[current_depth] = 0
  535.                 if current_depth > 0:
  536.                     depth_time = time.time() - depth_start_time
  537.                     total_time = time.time() - start_time
  538.                     print(f"\nHloubka {current_depth - 1}: {positions_at_depth[current_depth - 1]} pozic, "
  539.                           f"Čas hloubky: {format_time(depth_time)} / Celkový čas: {format_time(total_time)}")
  540.                    
  541.                     if current_depth == 1:
  542.                         print("Všechny pozice v hloubce 1:")
  543.                         for pos in depth_1_positions:
  544.                             print_board(pos)
  545.                             print()
  546.     #                else:
  547.    #                     print(f"Příklad pozice v hloubce {current_depth - 1}:")
  548.   #                      print_board(current_fen)
  549.                
  550.                 depth_start_time = time.time()
  551.  
  552.             positions_at_depth[current_depth] += 1
  553.  
  554.             if current_depth == 1:
  555.                 depth_1_positions.append(current_fen)
  556.  
  557.             if AR[simplified_current_fen]['used'] == 0:
  558.                 AR[simplified_current_fen]['used'] = 1
  559.                 legal_moves = list(board.legal_moves)
  560.                 for move in legal_moves:
  561.                     board.push(move)
  562.                     # Kontrola promoce
  563.                     if move.promotion == chess.QUEEN:
  564.                         # Aktualizujeme FEN, aby obsahoval dámu místo pěšce
  565.                         fen = board.fen()
  566.                         fen_parts = fen.split()
  567.                         board_rows = fen_parts[0].split('/')
  568.                        
  569.                         # Určení řádku a sloupce, kde došlo k proměně
  570.                         promotion_row = 0 if board.turn == chess.BLACK else 7
  571.                         promotion_col = chess.square_file(move.to_square)
  572.                        
  573.                         # Nahrazení pěšce dámou na správné pozici
  574.                         row = list(board_rows[promotion_row])
  575.                         piece_count = 0
  576.                         for i, char in enumerate(row):
  577.                             if char.isdigit():
  578.                                 piece_count += int(char)
  579.                             else:
  580.                                 piece_count += 1
  581.                             if piece_count > promotion_col:
  582.                                 row[i] = 'Q' if board.turn == chess.BLACK else 'q'
  583.                                 break
  584.                         board_rows[promotion_row] = ''.join(row)
  585.                        
  586.                         fen_parts[0] = '/'.join(board_rows)
  587.                         POZ2 = ' '.join(fen_parts)
  588.                     else:
  589.                         POZ2 = board.fen()
  590.                     simplified_POZ2 = simplify_fen_string(POZ2)
  591.                     if simplified_POZ2 not in AR:
  592.                         N += 1
  593.                         POZ[N] = simplified_POZ2
  594.                         AR[simplified_POZ2] = {'used': 0, 'to_end': None, 'depth': current_depth + 1, 'type': 'normal'}
  595.                     board.pop()
  596.    
  597.         # Print last depth
  598.         depth_time = time.time() - depth_start_time
  599.         total_time = time.time() - start_time
  600.         print(f"\nHloubka {current_depth}: {positions_at_depth[current_depth]} pozic, "
  601.               f"Čas hloubky: {format_time(depth_time)} / Celkový čas: {format_time(total_time)}")
  602.         print(f"Příklad pozice v hloubce {current_depth}:")
  603.         print_board(current_fen)
  604.  
  605.         print(f"Generování pozic dokončeno. Celkový počet pozic: {N}")
  606.  
  607.         # Initial evaluation
  608.         print("\nZačínám počáteční ohodnocení...")
  609.         F = 0
  610.         for i in range(1, N + 1):
  611.             current_fen = POZ[i]
  612.             board.set_custom_fen(current_fen)
  613.             simplified_current_fen = simplify_fen_string(current_fen)
  614.  
  615.             if board.is_checkmate():
  616.                 AR[simplified_current_fen]['to_end'] = -1000
  617.                 F += 1
  618.             elif board.is_stalemate() or board.is_insufficient_material():
  619.                 AR[simplified_current_fen]['to_end'] = 0
  620.             else:
  621.                 AR[simplified_current_fen]['to_end'] = 0
  622.  
  623.         print(f"Počet pozic v matu je {F}")
  624.  
  625.         # Iterative evaluation
  626.         print("\nZačínám iterativní ohodnocení...")
  627.         uroven = 0
  628.         while F > 0:
  629.             uroven += 1
  630.             level_start_time = time.time()
  631.             print(f"Výpočet v úrovni {uroven}")
  632.            
  633.             F = 0
  634.             current_level_positions = 0
  635.             for i in range(1, N + 1):
  636.                 current_fen = POZ[i]
  637.                 board.set_custom_fen(current_fen)
  638.                 simplified_current_fen = simplify_fen_string(current_fen)
  639.                 if AR[simplified_current_fen]['to_end'] == 0:
  640.                     hod = -2000
  641.                     for move in board.legal_moves:
  642.                         board.push(move)
  643.                         POZ2 = board.fen()
  644.                         simplified_POZ2 = simplify_fen_string(POZ2)
  645.                         hod2 = -AR[simplified_POZ2]['to_end']
  646.                         if hod2 > hod:
  647.                             hod = hod2
  648.                         board.pop()
  649.                     if hod == 1001 - uroven:
  650.                         AR[simplified_current_fen]['to_end'] = 1000 - uroven
  651.                         F += 1
  652.                         current_level_positions += 1
  653.                     if hod == -1001 + uroven:
  654.                         AR[simplified_current_fen]['to_end'] = -1000 + uroven
  655.                         F += 1
  656.                         current_level_positions += 1
  657.             level_end_time = time.time()
  658.             total_elapsed_time = level_end_time - start_time
  659.             level_elapsed_time = level_end_time - level_start_time
  660.             print(f"Nalezeno {current_level_positions} pozic v úrovni {uroven}")
  661.             print(f"Čas úrovně: {format_time(level_elapsed_time)} / Celkový čas: {format_time(total_elapsed_time)}")
  662.  
  663.         print(f"Nalezeno {F} pozic celkem")
  664.        
  665.         print("\nVýpočet dokončen.")
  666.         return {fen: (data['to_end'], data['type']) for fen, data in AR.items() if data['to_end'] is not None}
  667.  
  668.     finally:
  669.         stop_event.set()
  670.         timer_thread.join()
  671.        
  672. # Helper function to print the board
  673. def print_board(fen):
  674.     board = CustomBoard(fen)
  675.     print(board)
  676.  
  677. # Najděte nejmenší kladnou hodnotu to_end ve všech FEN záznamech v AR
  678. def find_min_positive_value(AR):
  679.     min_positive_value = float('inf')
  680.     min_fen = None
  681.    
  682.     for fen, (value, type_pozice) in AR.items():
  683.         if value > 0 and value < min_positive_value:
  684.             min_positive_value = value
  685.             min_fen = fen
  686.    
  687.     if min_positive_value == float('inf'):
  688.         print("Žádná kladná hodnota nebyla nalezena.")
  689.     else:
  690.         print(f"Nejmenší kladná hodnota: {min_positive_value}, FEN: {min_fen}")
  691.  
  692. # Main execution
  693. if __name__ == "__main__":
  694.     start_fen = "8/3k4/8/8/8/8/R7/6K1 w - - 0 1"
  695.     start_fen = "3K4/8/8/6A1/8/8/8/3k4 w - - 0 1"
  696.  
  697.     start_fen = "8/8/8/4k3/8/8/2A5/5K2 w - - 0 1"
  698.     start_fen = "7K/2P5/8/8/8/1k6/8/8 w - - 0 1"
  699.  
  700.     start_fen = "7K/8/k1P5/7p/8/8/8/8 w - - 0 1"
  701.    
  702.     AR = calculate_optimal_moves(start_fen)
  703.  
  704.     find_min_positive_value(AR)
  705.  
  706.     while True:
  707.         if not H % 100000:
  708.             print(f"{H//100000}", end='')
  709.         H = H + 1
  710.        
  711.         board = CustomBoard(current_fen)
  712.         if board.is_game_over():
  713.             break
  714.        
  715.         hod = -2000
  716.         best_fen = None
  717.        
  718.         for move in board.legal_moves:
  719.             board.push(move)
  720.             POZ2 = board.fen()
  721.             simplified_POZ2 = simplify_fen_string(POZ2)
  722.             if simplified_POZ2 in AR:
  723.                 hod2 = -AR[simplified_POZ2][0]
  724.                 if hod2 > hod:
  725.                     hod = hod2
  726.                     best_fen = simplified_POZ2
  727.             board.pop()
  728.    
  729.         if best_fen is None:
  730.             break
  731.    
  732.         optimal_moves.append(best_fen)
  733.         current_fen = best_fen
  734.         simplified_current_fen = simplify_fen_string(current_fen)
  735.    
  736.         # Přesunutí této části mimo cyklus for
  737.         if best_fen in AR:
  738.             hodnota, typ_pozice = AR[best_fen]
  739.             if False:  # Tato část kódu se nikdy nevykoná kvůli podmínce False
  740.                 print(f"FEN: {best_fen}")
  741.                 print(f"Hodnota: {hodnota}")
  742.                 print(f"Typ pozice: {typ_pozice}")
  743.                
  744.                 temp_board = CustomBoard(best_fen)
  745.                 if temp_board.is_checkmate():
  746.                     print("Stav: Mat")
  747.                 elif temp_board.is_stalemate():
  748.                     print("Stav: Pat")
  749.                 elif temp_board.is_insufficient_material():
  750.                     print("Stav: Nedostatečný materiál")
  751.                 elif temp_board.is_check():
  752.                     print("Stav: Šach")
  753.                 else:
  754.                     print("Stav: Normální pozice")
  755.                
  756.                 print()
  757.                
  758.  
  759.         if best_fen is None:
  760.             break
  761.         optimal_moves.append(best_fen)
  762.         current_fen = best_fen
  763.         simplified_current_fen = simplify_fen_string(current_fen)
  764.  
  765.     print("U", len(optimal_moves), "Z")
  766.     print("\nOptimální tahy:")
  767.     for i, fen in enumerate(optimal_moves):
  768.         print(f"Tah {i+1}:")
  769.         print_board(fen)
  770.         print(AR[simplify_fen_string(fen)])
  771.         print(fen)
  772.         print("\n")
  773.  
  774.     print_board(simplified_current_fen1)
  775.     print(AR[simplified_current_fen1])
  776.     print(simplified_current_fen1)
  777.     print("\n")
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!