{ "version": 7, "date": "2026-04-09T22:06:50.439858", "num_positions": 1958728, "stockfish_depth": 12, "epochs": 100, "batch_size": 16384, "learning_rate": 0.001, "final_val_loss": 0.2997283308762831, "device": "cuda", "checkpoint": null, "notes": "Win rate vs classical eval: TBD (requires benchmark games)" }