Update README.md

README.md

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 # GAMBIT: <ins>G</ins>ener<ins>a</ins>lization or <ins>M</ins>emorization? <ins>B</ins>r<ins>i</ins>ttleness <ins>T</ins>esting for Chess-Trained Language Models
 
-**arXiv link COMING SOON** <br>
-
+[![arXiv](https://img.shields.io/badge/arXiv-2605.17565-b31b1b.svg?style=for-the-badge)](https://arxiv.org/abs/2605.17565) <br>
 [![GitHub](https://img.shields.io/badge/GitHub-KinGPT-black.svg?style=for-the-badge)](https://github.com/ethanjtang/KinGPT) <br>
 [![HuggingFace](https://img.shields.io/badge/🤗_HuggingFace-Puzzles-yellow?style=for-the-badge)](https://huggingface.co/datasets/ethanjtang/GAMBIT-lichess-puzzle-positions) <br>
 [![HuggingFace](https://img.shields.io/badge/🤗_HuggingFace-SF18%20Selfplay-yellow?style=for-the-badge)](https://huggingface.co/datasets/ethanjtang/GAMBIT-stockfish18-selfplay) <br>