Crazyhouse class

A variant where captured pieces can be dropped back on the board instead of moving a piece.

Inheritance
Annotations
  • @immutable

Constructors

Crazyhouse({required Board board, Pockets? pockets, required Side turn, required Castles castles, Square? epSquare, required int halfmoves, required int fullmoves})
const
Crazyhouse.fromSetup(Setup setup, {bool? ignoreImpossibleCheck})
Set up a playable Crazyhouse position.
factory

Properties

board → Board
Piece positions on the board.
finalinherited
castles → Castles
Castling paths and unmoved rooks.
finalinherited
checkers → SquareSet
SquareSet of pieces giving check.
no setterinherited
epSquare → Square?
En passant target square.
finalinherited
fen → String
Gets the FEN string of this position.
no setterinherited
fullmoves → int
Current move number.
finalinherited
halfmoves → int
Number of half-moves since the last capture or pawn move.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
hasSomeLegalMoves → bool
Tests if the position has at least one legal move.
no setterinherited
isCheck → bool
Tests if the king is in check.
no setterinherited
isCheckmate → bool
Tests for checkmate.
no setterinherited
isGameOver → bool
Tests if the game is over.
no setterinherited
isInsufficientMaterial → bool
Tests if both Side have insufficient winning material.
no setterinherited
isStalemate → bool
Tests for stalemate.
no setterinherited
isVariantEnd → bool
Checks if the game is over due to a special variant end condition.
no setteroverride
legalDrops → SquareSet
Gets all the legal drops of this position.
no setteroverride
legalMoves → IMap<Square, SquareSet>
Gets all the legal moves of this position.
no setterinherited
outcome → Outcome?
The outcome of the game, or null if the game is not over.
no setterinherited
ply → int
Gets the current ply.
no setterinherited
pockets → Pockets?
Pockets in chess variants like Crazyhouse.
finalinherited
rule → Rule
The Rule of this position.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
turn → Side
Side to move.
finalinherited
variantOutcome → Outcome?
Tests special variant winning, losing and drawing conditions.
no setteroverride

Methods

hasInsufficientMaterial(Side side) → bool
Tests if a Side has insufficient winning material.
override
isLegal(Move move) → bool
Tests a move for legality.
inherited
kingAttackers(Square square, Side attacker, {SquareSet? occupied}) → SquareSet
Attacks that a king on square would have to deal with.
inherited
legalMovesOf(Square square) → SquareSet
Gets the legal moves for that Square.
inherited
makeSan(Move move) → (Position<Crazyhouse>, String)
Returns the SAN of this Move and the updated Position.
inherited
makeSanUnchecked(Move move) → (Position<Crazyhouse>, String)
Returns the SAN of this Move and the updated Position, without checking if the move is legal.
inherited
normalizeMove(NormalMove move) → Move
Returns the normalized form of a NormalMove to avoid castling inconsistencies.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
parseSan(String sanString) → Move?
Parses a move in Standard Algebraic Notation.
inherited
play(Move move) → Position<Crazyhouse>
Plays a move and returns the updated Position.
inherited
playToSan(Move move) → (Position<Crazyhouse>, String)
Returns the SAN representation of the Move with the updated Position.
inherited
playUnchecked(Move move) → Position<Crazyhouse>
Plays a move without checking if the move is legal and returns the updated Position.
inherited
toSan(Move move) → String
Returns the SAN of this Move from the current Position.
inherited
toString() → String
A string representation of this object.
inherited
validate({bool? ignoreImpossibleCheck}) → void
Checks the legality of this position.
override

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Constants

initial → const Crazyhouse