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Jev Plays Both Sides of Chess

Rajdeep Singh gave Jev, the System One decision model, a role in a Python chess engine he had built about a year earlier. Jev chooses every move for both White and Black.

Rajdeep Singh@rajdeepstwt๐•
About a year ago, back when I was doing CP, I built a chess engine in Python. This week I gave it a new player: #Jev, the System One decision model from @typesafeai @CompleteSkeptic #Jev chooses every move for both White and Black. Here's how it works and what went wrong ๐Ÿงต
Sep 23, 2026X postsView on X
Singh says he built the engine while doing CP. He introduced Jev to it this week and said he would explain how it works and what went wrong.

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