{ "version": 1, "date": "2026-04-07T22:37:15.093371", "num_positions": 1223, "stockfish_depth": 12, "epochs": 20, "batch_size": 4096, "learning_rate": 0.001, "final_val_loss": 0.0162429828196764, "device": "cuda", "checkpoint": null, "notes": "Win rate vs classical eval: TBD (requires benchmark games)" }