Releases

chessIO 0.9.3.1

• Update internal book

chessIO 0.9.3.0

• Builds with GHC 9.2.1

chessIO 0.9.2.0

• Move cbookview into a separate repository, removing the build-dep on brick
• Update internal book

chessIO 0.9.1.0

• Add a Binary instance for Square
• Reimplement move generator in the ST monad with unboxed vector. New function legalPlies' and speedup of roughly 15% and 300% less allocations.

chessIO 0.9.0.0

• New functions:
  • move :: Square -> Square -> Ply
  • promoteTo :: Ply -> PieceType -> Ply
  • mapRank :: (Rank -> Rank) -> Square -> Square
  • mapFile :: (File -> File) -> Square -> Square
• Game.Chess.UCI: 'setPosition' now also takes the list of plies from start pos
• Fix compilation with GHC 9.0.1

chessIO 0.8.0.0

• Speedup of about 1.4 compared to previous release
• PGN: Replace nested tuples with records
• Export mkFile, unFile, mkRank, unRank
• Unexport fromPolyglot and toPolyglot which always should have been internal functions
• Use th-compat to work around compatibility issues

chessIO 0.7.0.0

• Remove IsSquare class and add three newtye'd Ints: Square, Rank, File (inspired by issue 5)
• Add HasCallStack to partial doPly and toSAN (thanks Oleg Grenrus)
• instance IsString Position based on fromFEN
• instance Binary Position
• instance Hashable Position
• instance Binary Ply
• instance Unbox Ply
• New functions: rank, file, rankChar, fileChar, toCoord
• New module: Game.Chess.ECO
• Chess.Game.UCI: PV is now an unboxed vector

chessIO 0.6.1.1

• Fix half-move counter not being reset on pawn push or capture (Thanks to Oleg Grenrus)
• Fix toFEN not emitting a dash when only king moved (Thanks to Oleg Grenrus)

chessIO 0.6.1.0

• Add enPassantSquare (thanks Tochi Obudulu).
• cbookview:
  • piece styles
  • Key End now moves to the final position of the most popular game
  • FEN string display

chessIO 0.6.0.0

• Optimize foldBits.
• Avoid cycles in bookForest.
• Don't reexport tree related functions from Game.Chess.
• Split SAN functions into new exposed module Chess.Game.SAN.
• Rename Game.Chess.Polyglot.Book to Game.Chess.Polyglot.
• New functions plySource and plyTarget.
• New tool cbookview: terminal chess book opening explorer.

chessIO 0.5.0.0

• Split SAN parsing code into a separate module.
• Adapt to VisualStream change in Megaparsec >= 9.
• Use Maybe to indicate that bestmove in UCI can be empty.
• instance Storable QuadBitboard

chessIO 0.4.0.0

• Support for letting UCI engines ponder.
• Avoid a branch to further speed up move generation.