chess

package

v0.0.0-...-fa77049 Latest Latest Go to latest Published: Apr 15, 2023 License: MIT Imports: 5 Imported by: 0

Details

Valid go.mod file

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Stable version

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Repository

github.com/eliias/peterpawner

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func Attacks(board []uint8, color uint8, enPassant []uint8) []uint8
func CmdExperiment(c *cli.Context) error
func CmdPerft(c *cli.Context) error
func CmdPerftDivide(c *cli.Context) error
func CmdPieces(c *cli.Context) error
func ColorCode(color string) uint8
func ColorName(color uint8) string
func Contains(arr []uint8, v uint8) bool
func DebugAttacks(list []uint8) string
func DebugBoard(board []uint8) string
func DebugGame(game Game) string
func DebugHash(board []uint8) int
func DebugMove(move *Move) string
func DebugMoves(board []uint8, depth int, color uint8, enpassant []uint8) string
func DebugPerft(depth int) string
func DebugPerftDivide(depth int) string
func DebugPos(i uint8) string
func MakeMove(board []uint8, move *Move) []uint8
func PieceCode(piece string) uint8
func PieceName(piece uint8) string
func PosCode(pos string) uint8
func Save(game Game) string
func UndoMove(board []uint8, move *Move) []uint8
type Game
- func Load(fen string) Game
type Move
- func Generate(board []uint8, color uint8, enPassant []uint8) []*Move
type PerftDivideResult
- func PerftDivide(depth int) []PerftDivideResult
type PerftResult
- func Perft(depth int) PerftResult

Constants ¶

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const BISHOP uint8 = 1 << 3

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const B_BISHOP uint8 = BISHOP | COLOR_BLACK

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const B_KING uint8 = KING | COLOR_BLACK

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const B_KNIGHT uint8 = KNIGHT | COLOR_BLACK

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const B_PAWN uint8 = PAWN | COLOR_BLACK

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const B_QUEEN uint8 = QUEEN | COLOR_BLACK

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const B_ROOK uint8 = ROOK | COLOR_BLACK

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const COLOR_BLACK uint8 = 1 << 7

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const COLOR_WHITE uint8 = 1 << 6

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const EMPTY uint8 = 0

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const File = "abcdefgh"

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const INVALID_MOVE uint8 = 255

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const KING uint8 = 1 << 0

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const KNIGHT uint8 = 1 << 4

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const PAWN uint8 = 1 << 5

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const QUEEN uint8 = 1 << 1

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const ROOK uint8 = 1 << 2

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const Rank = "12345678"

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const W_BISHOP uint8 = BISHOP | COLOR_WHITE

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const W_KING uint8 = KING | COLOR_WHITE

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const W_KNIGHT uint8 = KNIGHT | COLOR_WHITE

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const W_PAWN uint8 = PAWN | COLOR_WHITE

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const W_QUEEN uint8 = QUEEN | COLOR_WHITE

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const W_ROOK uint8 = ROOK | COLOR_WHITE

Variables ¶

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var Start = []uint8{
	B_ROOK, B_KNIGHT, B_BISHOP, B_QUEEN, B_KING, B_BISHOP, B_KNIGHT, B_ROOK,
	B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN,
	EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
	EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
	EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
	EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
	W_PAWN, W_PAWN, W_PAWN, W_PAWN, W_PAWN, W_PAWN, W_PAWN, W_PAWN,
	W_ROOK, W_KNIGHT, W_BISHOP, W_QUEEN, W_KING, W_BISHOP, W_KNIGHT, W_ROOK}

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var Test = []uint8{
	B_ROOK, B_KNIGHT, B_BISHOP, B_QUEEN, B_KING, B_BISHOP, B_KNIGHT, B_ROOK,
	B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN, B_PAWN,
	EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
	EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
	EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
	EMPTY, EMPTY, EMPTY, W_PAWN, EMPTY, EMPTY, EMPTY, EMPTY,
	W_PAWN, W_PAWN, W_PAWN, EMPTY, W_PAWN, W_PAWN, W_PAWN, W_PAWN,
	W_ROOK, W_KNIGHT, W_BISHOP, W_QUEEN, W_KING, W_BISHOP, W_KNIGHT, W_ROOK}

Functions ¶

func Attacks ¶

func Attacks(board []uint8, color uint8, enPassant []uint8) []uint8

func CmdExperiment ¶

func CmdExperiment(c *cli.Context) error

func CmdPerft ¶

func CmdPerft(c *cli.Context) error

func CmdPerftDivide ¶

func CmdPerftDivide(c *cli.Context) error

func CmdPieces ¶

func CmdPieces(c *cli.Context) error

func ColorCode ¶

func ColorCode(color string) uint8

func ColorName ¶

func ColorName(color uint8) string

func Contains ¶

func Contains(arr []uint8, v uint8) bool

func DebugAttacks ¶

func DebugAttacks(list []uint8) string

func DebugBoard ¶

func DebugBoard(board []uint8) string

func DebugGame ¶

func DebugGame(game Game) string

func DebugHash ¶

func DebugHash(board []uint8) int

func DebugMove ¶

func DebugMove(move *Move) string

func DebugMoves ¶

func DebugMoves(board []uint8, depth int, color uint8, enpassant []uint8) string

func DebugPerft ¶

func DebugPerft(depth int) string

func DebugPerftDivide ¶

func DebugPerftDivide(depth int) string

func DebugPos ¶

func DebugPos(i uint8) string

func MakeMove ¶

func MakeMove(board []uint8, move *Move) []uint8

func PieceCode ¶

func PieceCode(piece string) uint8

func PieceName ¶

func PieceName(piece uint8) string

func PosCode ¶

func PosCode(pos string) uint8

func Save ¶

func Save(game Game) string

func UndoMove ¶

func UndoMove(board []uint8, move *Move) []uint8

Types ¶

type Game ¶

type Game struct {
	Board                []uint8
	Color                uint8
	WhiteCastleKingSide  bool
	WhiteCastleQueenSide bool
	BlackCastleKingSide  bool
	BlackCastleQueenSide bool
	EnPassant            uint8
	Halfmove             int
	Fullmove             int
}

func Load ¶

func Load(fen string) Game

type Move ¶

type Move struct {
	Piece     uint8
	Prev      uint8
	From      uint8
	To        uint8
	EnPassant uint8
}

func Generate ¶

func Generate(board []uint8, color uint8, enPassant []uint8) []*Move

type PerftDivideResult ¶

type PerftDivideResult struct {
	Move  *Move
	Nodes int
}

func PerftDivide ¶

func PerftDivide(depth int) []PerftDivideResult

type PerftResult ¶

type PerftResult struct {
	Nodes      int
	Captures   int
	EnPassant  int
	Castles    int
	Promotions int
	Checks     int
	Checkmates int
}

func Perft ¶

func Perft(depth int) PerftResult

Source Files ¶

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