private boolean isWon(FieldSlot[] line, FieldSlot player) {
		int eCount = 0;
		int pCount = 0;
		for (int i = 0; i < 3; i++) {
			if (line[i] == FieldSlot.EMPTY)
				eCount++;
			if (line[i] == player)
				pCount++;
		}
		if (eCount == 1 && pCount == 2)
			return true;
		return false;
	}