with open("my_games.pgn") as f: while True: game = chess.pgn.read_game(f) if game is None: break # Do analysis: add a tag with the result result = game.headers["Result"] if result == "0-1": game.headers["LossType"] = "Checkmate" print(game)
For professionals: (expensive but gold standard). build up your chess pgn
Manually inputting moves helps you internalize variations better than passive reading. with open("my_games