SChess 0.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac application was originally designed by SomeGuy. We recommend checking the downloaded files with any free antivirus.
From the developer:
SChess allows you to play chess online using your browser.
Main features:
- Handles check/checkmate, castling, pawn promotion etc.
- Game state stored in database and can be resumed.
- In game chat.
- Lobby that lists games as well as has chat.
- Spectate games your not playing.
You may want to check out more software for Mac, such as Petri's Chess, which might be related to SChess.