{
  "version": 4,
  "date": "2026-04-09T00:28:07.572209",
  "num_positions": 2009355,
  "stockfish_depth": 12,
  "epochs": 40,
  "batch_size": 4096,
  "learning_rate": 0.001,
  "final_val_loss": 9.106677896235248e-05,
  "device": "cuda",
  "checkpoint": "/mnt/d/Workspaces/NowChessSystems/modules/bot/python/weights/nnue_weights_v3.pt",
  "notes": "Win rate vs classical eval: TBD (requires benchmark games)"
}