{ "version": 3, "date": "2026-04-08T09:43:28.000579", "num_positions": 71610, "stockfish_depth": 12, "epochs": 20, "batch_size": 4096, "learning_rate": 0.001, "final_val_loss": 0.006398905136849695, "device": "cpu", "checkpoint": "/home/janis/Workspaces/IntelliJ/NowChess/NowChessSystems/modules/bot/python/weights/nnue_weights_v2.pt", "notes": "Win rate vs classical eval: TBD (requires benchmark games)" }