// evaluate every tile for its opponent-damaging potential
for (bYOffset = -bMaxUp; bYOffset <= bMaxDown; bYOffset++)
{
	for (bXOffset = -bMaxLeft; bXOffset <= bMaxRight; bXOffset++)
	{
		// calculate the next potential gridno near this opponent
		sGridNo = sOpponentTile[ubLoop] + bXOffset + (MAXCOL * bYOffset);

		// this shouldn't ever happen
		if ((sGridNo < 0) || (sGridNo >= GRIDSIZE))
		{
			continue;
		}

		if ( PythSpacesAway( pSoldier->sGridNo, sGridNo ) > iTossRange )
		{
			// can't throw there!
			return;
		}
...