public async void AnimableMove(Point thicknessOld, Point thicknessNew, Piece toDestroy)
{
for (var i = 0; i <= 15; ++i)
{
var point = new Point((thicknessNew.X * i + thicknessOld.X * (15 - i)) / 15,
(thicknessNew.Y * i + thicknessOld.Y * (15 - i)) / 15);
Drawable.Margin = new Thickness(point.X, point.Y, 0, 0);
if (IsKing)
KingImage.Margin = Drawable.Margin;
await Task.Delay(250 / 15);
if (i == 7 && toDestroy != null)
toDestroy.Destroy();
}
}