private static bool IsPawnInStartingPosition(ushort squareIndex, Color color)
{
var bv = MovingPieceService.GetBoardValueOfIndex(squareIndex);
var secondRankMask = MovingPieceService.GetPawnStartRankMask(color);
return((bv & secondRankMask) != 0);
}
private static ulong GetPawnShift(ushort squareIndex, Color color)
{
var startingRank = MovingPieceService.GetPawnStartRankMask(color);
var squareValue = MovingPieceService.GetBoardValueOfIndex(squareIndex);
var shift1XMethod = GetShift(color);
var shift2XMethod = GetDoubleShift(color);
return(((startingRank & squareValue) != 0 ? shift2XMethod(squareValue) : 0) | shift1XMethod(squareValue));
}