private void SetBlackPawnPatterns()
{
for (int i = 0; i < 64; i++)
{
var pattern = Pawn.GetBlackPattern(i);
Squares[i].BlackPawnPatterns = new Square[pattern.Length];
for (int j = 0; j < pattern.Length; j++)
{
Squares[i].BlackPawnPatterns[j] = Squares[pattern[j]];
}
}
}