I think that Chess is still interesting for many people because of a) rules are easy to understand but game is hard to master; b) there is a social aspect of playing against human being face to face.
Well, sort of. 600 is so low, and so far below the arbitrary rating given to new players, that it's very hard to find people to match with who have a consistent 600 score.
Have you read a chess book? Just knowing the basic tactics from a 1-day tutorial, and paying attention to not hang (give away) your pieces should be enough to get you to 800, where recently started elementary school students are.