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chess

package

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Versions in this module

v0

v0.6.0

Aug 7, 2026

v0.5.0

Aug 7, 2026

v0.4.0

Jul 22, 2026

v0.3.0

Jul 22, 2026

v0.2.0

Jul 17, 2026

v0.1.0

Jul 1, 2026

Changes in this version

+ func Perft(b *Board, depth int) uint64

v0.0.2

Jun 16, 2026

v0.0.1

Jun 14, 2026

Changes in this version

+ const StartingFEN

+ type Board struct

+ func NewStartingBoard() *Board

+ func ParseFEN(fen string) (*Board, error)

+ func (b *Board) ApplyMove(m Move) *Board

+ func (b *Board) CastleRights() CastleRights

+ func (b *Board) Clone() *Board

+ func (b *Board) Each(fn func(s Square, p Piece))

+ func (b *Board) EnPassantSquare() Square

+ func (b *Board) FEN() string

+ func (b *Board) FullMoveNumber() int

+ func (b *Board) GenerateMoves(dst []Move) []Move

+ func (b *Board) GeneratePseudoLegal(dst []Move) []Move

+ func (b *Board) HalfMoveClock() int

+ func (b *Board) Hash() uint64

+ func (b *Board) InCheck() bool

+ func (b *Board) IsCheckmate() bool

+ func (b *Board) IsInsufficientMaterial() bool

+ func (b *Board) IsSquareAttacked(s Square, by Color) bool

+ func (b *Board) IsStalemate() bool

+ func (b *Board) KingSquare(c Color) Square

+ func (b *Board) LegalMoves() []Move

+ func (b *Board) MakeMove(m Move) Undo

+ func (b *Board) PieceAt(s Square) Piece

+ func (b *Board) SideToMove() Color

+ func (b *Board) Status() (Result, DrawReason)

+ func (b *Board) UnmakeMove(m Move, u Undo)

+ type CastleRights uint8

+ const BlackKingside

+ const BlackQueenside

+ const WhiteKingside

+ const WhiteQueenside

+ func (c CastleRights) Has(r CastleRights) bool

+ type Color uint8

+ const Black

+ const White

+ func (c Color) Opposite() Color

+ func (c Color) String() string

+ type DrawReason uint8

+ const FiftyMoveRule

+ const InsufficientMaterial

+ const NotDraw

+ const Stalemate

+ const ThreefoldRepetition

+ func (d DrawReason) String() string

+ type Move uint16

+ const NoMove

+ func NewMove(from, to Square, flag MoveFlag) Move

+ func (m Move) Flag() MoveFlag

+ func (m Move) From() Square

+ func (m Move) IsNull() bool

+ func (m Move) IsPromotion() bool

+ func (m Move) Promotion() PieceType

+ func (m Move) String() string

+ func (m Move) To() Square

+ type MoveFlag uint8

+ const FlagCastleKingside

+ const FlagCastleQueenside

+ const FlagDoublePawnPush

+ const FlagEnPassant

+ const FlagNormal

+ const FlagPromoBishop

+ const FlagPromoKnight

+ const FlagPromoQueen

+ const FlagPromoRook

+ type Piece uint8

+ const NoPiece

+ func MakePiece(c Color, t PieceType) Piece

+ func (p Piece) Color() Color

+ func (p Piece) IsEmpty() bool

+ func (p Piece) Symbol() rune

+ func (p Piece) Type() PieceType

+ type PieceType uint8

+ const Bishop

+ const King

+ const Knight

+ const NoPieceType

+ const Pawn

+ const Queen

+ const Rook

+ type Result uint8

+ const BlackWins

+ const Draw

+ const InProgress

+ const WhiteWins

+ func (r Result) String() string

+ type Square uint8

+ const NoSquare

+ func NewSquare(file, rank int) Square

+ func ParseSquare(str string) (Square, error)

+ func (s Square) File() int

+ func (s Square) Rank() int

+ func (s Square) String() string

+ func (s Square) Valid() bool

+ type Undo struct