public void validMove(int originLetter, int originNum, int newLetter, int newNum)
	{
		if(originNum - newNum == 1)
		{
			validMove2(originLetter, originNum, newLetter, newNum);
		}
		else if(originNum == newNum)
		{
			if(originLetter - newLetter == 0)
			{
				placePiece(originLetter, originNum, newLetter, newNum, king);
			}
			else if(newLetter - originLetter == 0)
			{
				placePiece(originLetter, originNum, newLetter, newNum, king);
			}
			else
			{
				System.err.println("the king has made an invalid move");
			}
		}
		else if(newNum - originNum == 1)
		{
			validMove2(originLetter, originNum, newLetter, newNum);
		}
		else
		{
			System.err.println("invalid move, the king can only move one space away");
		}
	}