adding validated services? patching forcad_local.py

ctfcup2025-school-final/checkers/grob/games_gen.py

@@ -0,0 +1,42 @@
+import os
+import chess.pgn
+
+def main(pgn_path):
+    os.makedirs("games", exist_ok=True)
+    with open(pgn_path) as pgn_file:
+        game_num = 1
+
+        while True:
+            game = chess.pgn.read_game(pgn_file)
+            if game is None:
+                break
+
+            board = game.board()
+            moves = []
+    
+            for move in game.mainline_moves():
+                moves.append(move)
+                board.push(move)
+
+                if board.is_stalemate() or board.is_insufficient_material() or board.is_checkmate():
+                    break
+                else:
+                    continue
+            else:
+                if not (board.is_stalemate() or board.is_insufficient_material() or board.is_checkmate()):
+                    continue
+
+            new_game = chess.pgn.Game(headers={'Result': game.headers['Result']})
+
+            node = new_game
+            for move in moves:
+                node = node.add_variation(move)
+
+            out_path = os.path.join("games", f"{game_num:04d}.pgn")
+            with open(out_path, "w") as out:
+                out.write(str(new_game))
+            
+            game_num += 1
+
+if __name__ == "__main__":
+    main("twic1621.pgn")