Otter: A Time-Aware, History-Conditioned Human Chess AI

arXiv:2608.05206 · cs.AI, cs.LG · Submitted 2026-08-05 · Read on arXiv

Tarun Kumar S

cs.AI, cs.LG

Submitted: 2026-08-05

Code: https://github.com/PeargentLabs/otter-chess

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 38× in this paper · explained in 1 episode
• Transformer — 14× in this paper · explained in 2 episodes
• Ablation — 8× in this paper · explained in 1 episode
• Editor — 5× in this paper · explained in 2 episodes
• Embeddings — 5× in this paper · explained in 2 episodes
• Transformer Encoder — 4× in this paper · explained in 2 episodes
• Ablation Study — 3× in this paper · explained in 3 episodes
• Overfitting — 3× in this paper · explained in 2 episodes
• Transformers — 3× in this paper · explained in 2 episodes
• Weight Decay — 3× in this paper · explained in 2 episodes
• Adam — 2× in this paper · explained in 3 episodes
• Attention Mechanism — 2× in this paper · explained in 3 episodes
• Diffusion Model — 2× in this paper · explained in 10 episodes
• Diffusion Models — 2× in this paper · explained in 9 episodes
• Loss Function — 2× in this paper · explained in 2 episodes
• Regularization — 2× in this paper · explained in 3 episodes
• Reinforcement Learning — 2× in this paper · explained in 4 episodes
• Residual Connections — 2× in this paper · explained in 3 episodes
• AI Alignment — 1× in this paper · explained in 2 episodes
• Ablation Studies — 1× in this paper · explained in 1 episode
• Covariate Shift — 1× in this paper · explained in 3 episodes
• Grounding — 1× in this paper · explained in 3 episodes
• Hyperparameters — 1× in this paper · explained in 2 episodes
• Structural Constraints — 1× in this paper · explained in 2 episodes
• Transformer Model — 1× in this paper · explained in 2 episodes

Sources

• Mastering Chess with a Transformer Model
• Predicting Human Chess Moves: An AI Assisted Analysis of Chess Games Using Skill-group Specific n-gram Language Models
• Speed, Quality, and the Optimal Timing of Complex Decisions: Field Evidence
• Gaussian Error Linear Units (GELUs)

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