Loserfish

A Stockfish-derived engine that tries to get checkmated. Your challenge: do not mate it.

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You play

Think limit

i

Opponent modeli

Evali

Source on GitHub (GPLv3). The engine runs in your browser as WebAssembly. Pieces: cburnett by Colin M.L. Burnett (GPLv2+). Uses chess.js (BSD-2) and coi-serviceworker (MIT).