public static MoveSummary CanKnightMove(Board board, Square from, Square to)
{
var isSameColor = board[from].Color == board[to].Color;
var isCapturing = board[to].IsNone() ?
false :
!isSameColor;
var isMovePossible =
!isSameColor &&
MoveProperty.AbsDeltaX(from, to) *
MoveProperty.AbsDeltaY(from, to) == 2;
return(MoveSummaryBuilder.DefaultMoveSummary(isCapturing, isMovePossible, to));
}
private static bool CanDefaultMove(Square from, Square to, bool isSameColor) => !isSameColor && MoveProperty.AbsDeltaX(from, to) <= 1 && MoveProperty.AbsDeltaY(from, to) <= 1;