private ulong GetKingMoves(int i, int j)
{
int index = i * 8 + j;
ulong initialPos = 1UL << index;
ulong board = initialPos;
ulong attacks = BitBoardHelper.ShiftEastOne(board) | BitBoardHelper.ShiftWestOne(board);
board = initialPos | attacks;
attacks |= BitBoardHelper.ShiftNorthOne(board) | BitBoardHelper.ShiftSouthOne(board);
return(attacks);
}
public ulong PawnsWithEastNeighbour()
{
return(this.board & BitBoardHelper.ShiftWestOne(this.board));
}