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ChessLFM, an AI model, has been featured on the home page of Lichess, a popular chess platform, where the model's seed data was collected.
Otter is a 15.3M-parameter human chess AI that extends Maia 2 by conditioning move predictions on game history and time pressure, achieving higher accuracy than Maia 2 with fewer parameters. Trained on 6.1 billion positions from Lichess games, it demonstrates that treating chess as a time-aware, sequential activity improves prediction of human play.