Dataset · Hugging Face

avewright/exp186-sf-multipv-2m

Name: exp186-sf-multipv-2m
Creator: avewright
License: mit
Keywords: task_categories:other, license:mit, size_categories:1M<n<10M, format:json, modality:tabular, modality:text, library:datasets, library:dask, library:polars, library:mlcroissant, region:us, chess, stockfish, multipv, soft-targets

exp186 Stockfish MultiPV soft targets (~2M) Local Stockfish 18 full-strength MultiPV harvest for chess transformer soft-policy training. Contents data/positions_*.jsonl — ~2,000,000 positions (400 shards) soft_cache.pt — training-ready tensor cache (compact move vocab 1968) Labeling Engine: Stockfish 18 (full strength, no UCI_LimitStrength) MultiPV: 8 Depths: sampled in [2, 8] (weighted toward mid depths) Soft probs: softmax(cp / τ) with τ=120… See the full description on the dataset page: https://huggingface.co/datasets/avewright/exp186-sf-multipv-2m.

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Author / organization	avewright
License (as declared)	mit
Downloads	124 (as reported by Hugging Face)
Likes	0
Created	10 July 2026
Last updated at source	10 July 2026

chessstockfishmultipvsoft-targetspolicy-distillation

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