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A 🤗 transformers model playing chess by predicting chess moves, where each move is encoded in a custom explicit format
The model is based on the Llama architecture (256 width, 8 heads, 8 layers) and trained over 30 million games from the lichess database.
Tokenizer : dlouapre/chess_tokenizer_pairs, which tokenizes using pairs of characters like "WP" or "e2".
On Lichess games, the model plays with >99% of valid moves, but for a given position, only 45% of the moves are identical to the actual game.
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