public String convertToNotation() {
		String letter = "";
		switch(col) {
		case 0: 
			letter="A";
			break;
		case 1: 
			letter="B";
			break;
		case 2: 
			letter="C";
			break;
		case 3: 
			letter="D";
			break;
		case 4: 
			letter="E";
			break;
		case 5: 
			letter="F";
			break;
		case 6:
			letter="G";
			break;
		case 7: 
			letter="H";
			break;
		}
		return letter + (row + 1);
	}