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README.md

@@ -31,6 +31,7 @@ This dataset corresponds to the training data described in:
 | `train_all.zdat` (+`.idx`) | ~109 GB | Training data |
 | `train_early.zdat` (+`.idx`) | ~120 GB | Training data |
 | `test80-2024-{mar,apr,may,jun,jul,aug,sep}.zdat` (+`.idx`) | ~72–176 GB each | Leela Chess Zero training data, converted to this format for data-mix experiments |
+| `ablation/ablation.zdat` (+`.idx`) | ~25 GB | ~150M positions randomly sampled from the entire set, plus validation set |
 
 Positions are subsampled rather than exhaustive; long endgames and drawn games are
 under-represented relative to their share of full games.