CalibratedDecisions.

Repo · Games & real time

jevchess

One-page web app where TypeSafe Jev plays chess against OpenRouter LLMs, Stockfish, or you—with live move probabilities, clocks, saved games, and an…

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From the repository

Jev, TypeSafe's System One model, plays chess against any OpenRouter LLM, Stockfish and you. One-page web app with live moves, Jev's move probabilities, saved games and win rates.

ai-benchmarkchesschess-aijavascriptjevllmopenrouterstockfishtypesafewebapp

How builders describe it

Jev, TypeSafe's System One model, plays chess against any OpenRouter LLM, Stockfish and you. One-page web app with live moves, Jev's move probabilities, saved games and win rates.
One-page web app where TypeSafe Jev plays chess against OpenRouter LLMs, Stockfish, or you—with live move probabilities, clocks, saved games, and an optional hosted key-lending demo.
Watch Jev play chess against OpenRouter LLMs or Stockfish, or play Jev yourself, with every weighed move, likelihood, clock, and finished game saved for replay.

The decision Jev makes

Choose a legal move, a lane or an NPC reaction each turn.

Where it fits

Games are a stress test for decision speed. Jev picks the next move from the legal ones, fast enough for arcade games and deep enough for chess and strategy. All 256 games & real time projects →

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