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3+1 • Blitz • 12h

Casual • Arena

This is a test between Stockfish 18 vs Sonic 5(stockfish fork engine)
Both engines running on same hardware with the same settings!
If you want to put your bot/engine for test DM for the password!

by Mystery_chessgame

24 Aug 2026, 19:35

Bot tournament

The organizer has decided to let BOT accounts play in this tournament.

You will have to face chess engines in some of your games.

Chess engines test Arena

Tournament winners: BOT PaconBot