Chess-Nut-Engine/chess-sft-corpus-4x

Chess SFT Training Data A supervised fine-tuning dataset for teaching language models to reason about chess. It covers board perception, legal move generation, tactics, evaluation, openings, endgames, and planning. Total examples 15,100,000 Total size 18902.7 MB Format JSONL chat rows with messages Eval companion Chess-Nut-Engine/chess-sft-eval Tier Overview Tier Category Tasks Examples Size 0 Unknown 1 300,000 556.2 MB 1… See the full description on the dataset page: https://huggingface.co/datasets/Chess-Nut-Engine/chess-sft-corpus-4x.

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