Struct Position 

pub struct Position { /* private fields */ }

Position encodes all positional information and non-positional game state

Implementations

impl Position

pub fn make(&mut self, mv: Move) -> Option<(Piece, Square)>

Returns piece captured and square if any

pub fn make_null_move(&mut self) -> Option<(Piece, Square)>

pub fn unmake( &mut self, mv: Move, capture: Option<(Piece, Square)>, original_state: &State, original_hash_key: u64, )

pub fn unmake_null_move( &mut self, original_state: &State, original_hash_key: u64, )

impl Position

pub fn new(grid: [Piece; 64], state: State) -> Position

pub fn from_fen(fen: &str) -> Result<Position, String>

Construct a new position from a FEN string

pub fn to_fen(&self) -> String

pub fn hash_key(&self) -> u64

pub fn state(&self) -> &State

Get position non-positional state

pub fn grid(&self) -> &[Piece; 64]

Get position position

pub fn at(&self, sq: Square) -> Piece

Get piece at square

pub fn king_square(&self, side: Side) -> Square

pub fn bb_side(&self, side: Side) -> BB

Get bitboard of pieces for a particular side

pub fn bb_pc(&self, pc: Piece) -> BB

Get bitboard of pieces for a particular piece

pub fn piece_iter(&self, pc: Piece) -> BBIterator

pub fn bb_sliders(&self, side: Side) -> (BB, BB)

Get bitboard of sliding pieces for a particular side

pub fn bb_occupied(&self) -> BB

Get bitboard of all occupied squares

pub fn bb_empty(&self) -> BB

Get bitboard of all empty squares

pub fn piece_square_score(&self, piece_square_table: &PieceSquareTable) -> i16

Trait Implementations

impl Clone for Position

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Position

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for Position

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.