# chessica [](https://hackage.haskell.org/package/chessica) `chessica` is a library to create, manipulate and query chess game states, written in Haskell. It is designed to support arbitrary rulebooks and to generate all possible piece movements and future game states according to these rulebooks. The documentation can be found on [Hackage](https://hackage.haskell.org/package/chessica).