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checkmate.blue is a chess game built for the Atmosphere network, offering a simple way to play chess in an AT Protocol-native context.
Mentions
This is awesome! Just started an open game! #checkmate #chess âïļ
checkmate.blue
Chess on the Atmosphere
https://checkmate.blue/game/did:plc:wuojeafwvlqn7devygjbcdjk/3mjoyx6rucz2r
4/17/26, 1:19 PM
Alright, who wants to play? checkmate.blue/game/did:plc... (I'm not clear as to time controls for this game, if any.)
checkmate.blue
Chess on the Atmosphere
https://checkmate.blue/game/did:plc:vmjtqfl6zv7ka536pdnpwojn/3mjobjqx6cg22
4/17/26, 6:17 AM
