checkpoints/step_1900/training_state.json

{
  "phase": 1,
  "epoch": 1,
  "step_in_phase": 1900,
  "global_step": 1900,
  "timestamp": "2026-09-19 22:01:17",
  "model_config": {
    "architectures": [
      "ChessNet"
    ],
    "model_type": "chessnet",
    "num_blocks": 10,
    "num_channels": 128,
    "policy_channels": 32,
    "value_channels": 8,
    "policy_size": 20480,
    "input_planes": 19,
    "board_size": 8
  }
}