chessIO alternatives and similar packages
Based on the "Game" category.
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LambdaHack
Haskell game engine library for roguelike dungeon crawlers; please offer feedback, e.g., after trying out the sample game with the web frontend at -
haskanoid
A free and open source breakout clone in Haskell using SDL and FRP, with Wiimote and Kinect support. -
Allure
Allure of the Stars is a near-future Sci-Fi roguelike and tactical squad combat game written in Haskell; please offer feedback, e.g., after trying out the web frontend version at -
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gloss-game
A convenience wrapper around the Gloss library to make writing games in Haskell even easier -
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Ninjas
Haskell game where multiple players attempt to blend in with computer controlled characters while being first to visit the key locations on the board. -
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Liquorice
Haskell embedded domain-specific language (eDSL) for the algorithmic construction of maps for the computer game "Doom" -
battleship
Battleship... Pure.. Functional... Haskell + MongoDB + TypeScript + React... https://battleship-fp.com/ -
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README
A Haskell chess library and console UCI frontend program
chessIO is a Haskell library for working with chess positions and moves,
and a console frontend program (cboard) to work with UCI compatible
chess engines.
The Library
The main module provided by the library is Game.Chess, which defines data types and functions for working with chess positions and moves. It offers a fully compliant move generator and parsing for and printing positions in Forsyth-Edwards Notation and moves in Algebraic Notation.
Module Game.Chess.UCI provides functionality to run an external process which understands the Universal Chess Interface protocol from within Haskell.
Console frontend for the Universal Chess Interface protocl
cboard is a simple console (text-mode) frontend for interacting with
chess engines (like stockfish or glaurung) which make use of the UCI
protocol.
To launch a chess engine, simply pass its executable name and arguments
to cboard. For instance, cboard stockfish.
Opening book explorer
cbookview is a terminal application to explore commonly played openings.
Passing a polyglot opening book file (with extension .bin) on the command line
will allow you to explore the plies contained in that book file interactively.
You can also open a PGN file (extension .pgn) which will be presented like
it was an opening book. In other words, all the moves played in that PGN file will
be merged into a single forest of plies. When exporing PGN files, no
particular order of plies is imposed. When exploring a polyglot file
the most popular moves will always come first.
For example, lets assume you want to examine blacks replies to the Ruy lopez. Use the cursor keys to navigate to the move after bishop b5. Here is what the interface will show:
a6 ┌─────────────────┐
Nf6 1│ R + K Q B N R │ 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
g6 2│ P P P P P P P │
f5 3│ + N + + + │
Nge7 4│ + + P + + │
Bc5 5│ + p + B + │
d6 6│ + + + n + p │
Nd4 7│ p p p + p p p + │
Bb4 8│ r n b k q b + r │
Bd6 └─────────────────┘
Qf6 h g f e d c b a
f6
Up/Down (kj) = change ply, Left/Right (hl) = back/forward ESC = Quit
Moving the cursor down the list of book moves will also update the position and game history. As already mentioned, the moves in polyglot book files are ordered according to popularity. So pawn to a6 is actually the most popular line of the Ruy Lopez.
The easteregg: Poor mans chessboard
If you press a (for "All moves") cbookview will switch to the tree
of all possible moves. This is a poor mans way for following
games and abusing cbookview as a two-player board.