Maxlegrec/test91-data

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.

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