Our great sponsors
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Fairy-Stockfish
chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Fairy Stockfish. This is a lot more limited in the number of chess variants it can play compared to Zillions, but what it can play it plays very strongly. Yes, with some limitations, it is possible to define custom pieces for Fairy Stockfish.
One thing to remember: Within a margin of error, no one is ever going to play a given chess variant. If one goes over to Pychess, and looks at the active games being played, there are only a few—maybe a dozen—being played at a given time, mainly against bots, and they are, for the most part, ethnic variants like Makruk. Even a popular regional variant, Shogi, has 32 games in play right now, compared to over 35,000 over at Lichess.