public IEnumerable <string> YieldValidMoves()
{
foreach (FigureOnSquare fs in _board.YieldFigures())
{
foreach (Square to in Square.YieldSquares())
{
FigureMoving fm = new FigureMoving(fs, to);
if (moves.CanMove(fm))
{
yield return(fm.ToString());
}
}
}
}
private bool CanEatKing()
{
var badKing = FindBadKing();
var moves = new Moves(this);
return(YieldFigures().Select(fs => new FigureMoving(fs, badKing)).Any(fm => moves.CanMove(fm)));
}