Jev kind of sucks at chess I rebuilt the app and put it up

@aznatkoiny Tony Zaki · Sep 21, 2026 · case #888015 · listed via Jev Hub

Still from the clip posted with this case; watch it in the original post on X.

Benchmarked Jev against Stockfish in a rebuilt chess app, logging its ~900 Elo, 325ms median decisions, and $0.012 inference cost.

The original post

Jev kind of sucks at chess 😂 I rebuilt the app and put it up against Stockfish. Sitting around 900 Elo in this benchmark, with 325ms median decisions. Last 9 games: 8 losses, 1 stopped. About $0.012 in estimated inference. Open sourced the app, harness and raw results if you

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Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.

Where this case fits

Filed under games & playable demos, finance & trading. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the games & playable demos page.

🎮 Games & playable demos 💹 Finance & trading