Tournaments
| start-date | end-date | variant | location | tournament | source |
|---|
Servers
GUIs
Ludii
Ludii is a general game playing system with many built-in games and support for custom games, not limited to chess variants.
Fairyground
Fairy-Stockfish playground in the browser
Fairyground serves as a playground to try out Fairy-Stockfish online with custom variants, enabling game play and interactive analysis.
Engines
Fairy-Stockfish
Strongest open source chess variant engine in many variants. Configurable for custom variants and trainable with NNUE (neural networks). Used by many chess variant websites such as Lichess, Pychess, Lishogi, etc.
Sjaak II
Configurable open source chess variant engine supporting a large variety of chess variants. Used to be one of the strongest variant engines, but it is mostly superseded by Fairy-Stockfish now, also because it is no longer actively developed.
Resources
The Chess Variant Pages
Website about chess variants, documenting rules and history of each listed game, with limited support for game play.
Ludii
Ludii is a general game system trying to reconstruct the rules of many games, including chess variants.