public static bool IsNorthWestFrom(this BoardLocation source, BoardLocation target)
{
//PGN format for the board
// A B C D E F G H
//8:| 7|15|23|31|39|47|55|63|
//7:| 6|14|22|30|38|46|54|62|
//6:| 5|13|21|29|37|45|53|61|
//5:| 4|12|20|28|36|44|52|60|
//4:| 3|11|19|27|35|43|51|59|
//3:| 2|10|18|26|34|42|50|58|
//2:| 1| 9|17|25|33|41|49|57|
//1:| 0| 8|16|24|32|40|48|56|
return((source.ToByte() < target.ToByte()) &&
source.IsOnSameSlopeAs(target));
}
public static bool IsSouthEastFrom(this BoardLocation source, BoardLocation target)
{
return((source.ToByte() > target.ToByte()) &&
source.IsOnSameSlopeAs(target));
}
