{ "version": 2, "date": "2026-04-07T23:50:05.390402", "num_positions": 6886, "stockfish_depth": 12, "epochs": 100, "batch_size": 4096, "learning_rate": 0.001, "final_val_loss": 0.007848377339541912, "device": "cuda", "checkpoint": "/mnt/d/Workspaces/NowChessSystems/modules/bot/python/weights/nnue_weights_v1.pt", "notes": "Win rate vs classical eval: TBD (requires benchmark games)" }