PieceType.duck constructor
PieceType.duck()
Can move to any empty square on the board.
Implementation
factory PieceType.duck() =>
PieceType.fromBetza('m*').withNoPromotion().withImmortality();
Can move to any empty square on the board.
factory PieceType.duck() =>
PieceType.fromBetza('m*').withNoPromotion().withImmortality();