checkpoints/step_500/training_state.json

{
  "phase": 1,
  "epoch": 1,
  "step_in_phase": 500,
  "global_step": 500,
  "timestamp": "2026-09-19 13:08:55",
  "model_config": {
    "architectures": [
      "ChessNet"
    ],
    "model_type": "chessnet",
    "num_blocks": 10,
    "num_channels": 128,
    "policy_channels": 32,
    "value_channels": 8
  }
}