public String getRankLetter() {
		if(x == 0) {
			return "a";
		} else if(x == 1) {
			return "b";
		} else if(x == 2) {
			return "c";
		} else if(x == 3) {
			return "d";
		} else if(x == 4) {
			return "e";
		} else if(x == 5) {
			return "f";
		} else if(x == 6) {
			return "g";
		} else if(x == 7) {
			return "h";
		} else {
			return "";
		}
	}