Play chess against LLM models in a simple arena.

What It Does

Each game has a one-hour limit. Pick a model and start a match. You play White, the model plays Black, and the server validates every move against the legal chess position.

Features

• Play chess against multiple LLM models

• Legal move validation for player and model moves

• Model chat, token usage, cost, and response timing if you're interested

• No signup required

• No ratings or judgement, just you, model and chess