---
configs:
- config_name: default
  data_files:
  - split: train
    path: "*.parquet"
---

# test91-data

LC0 self-play training shards (rescored, run `test91`).

- **Rows:** 1,372,245,220
- **Files:** 364 parquet shards
- **Source:** raw LC0 rescored data, one shard per hour of generation.
- **Columns:** `fen`, `played_move`, `best_move`, `is_black`, `visits`, `input_format`,
  `rule50`, `invariance`, `dep_result`, `root_q/d/m`, `best_q/d/m`, `played_q/d/m`,
  `orig_q/d/m`, `plies_left`, `result_q/d`, `win/draw/loss`, `game_id`, `ply`.