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Playable demos & bots

Chess with Jev

Browser chess where code works out every legal move's facts and Jev picks one per turn as a single typed choice.

Source screenshot of Chess with Jev
SOURCE SCREENSHOTFull screenshot ↗

What it does

Covers standard chess and Chess960, with each candidate's exchanges, mates, and threats computed in code before Jev answers.

How you can use it

You can build a turn-based board game where the model only chooses among legal moves. Before asking a developer to build it, list the key game rules you want tracked. For chess, this means listing piece trades, check threats, and valid squares.

A developer can write code that computes these legal options first, then sends the list to Jev to pick one move. Remember that the model cannot calculate the rules itself. Your game must supply every valid choice on each turn.