public void checkMove(int originLetter, int originNum, int newLetter, int newNum)
	{
		if(n.compareTo(knight) == 0)
		{
			//black
			if(originNum - newNum == 2)
			{
				move1Black(originLetter, originNum, newLetter, newNum);
			}
			else if(originNum - newNum == 1)
			{
				move2Black(originLetter, originNum, newLetter, newNum);
			}
			else if(newNum - originNum == 1)
			{
				move2Black(originLetter, originNum, newLetter, newNum);
			}
			else if(newNum - originNum ==2)
			{
				move1Black(originLetter, originNum, newLetter, newNum);
			}
				
		}
		else
		{
			//white
			if(originNum - newNum == 2)
			{
				move1White(originLetter, originNum, newLetter, newNum);
			}
			else if(originNum - newNum == 1)
			{
				move2White(originLetter, originNum, newLetter, newNum);
			}
			else if(newNum - originNum == 1)
			{
				move2White(originLetter, originNum, newLetter, newNum);
			}
			else if(newNum - originNum ==2)
			{
				move1White(originLetter, originNum, newLetter, newNum);
			}
		}
	}