How to be a grandmaster... start early, remember lots of games, and become an expert in pattern recognition. Check out these articles on...
* The Independent newspaper (http://www.independent.co.uk/story.jsp?story=87823) , and
* the BBC (http://news.bbc.co.uk/hi/english/sci/tech/newsid_1480000/1480365.stm)
websites.

Thanks Stormerne, nice sites. But I think I'm not concerned and I'll never be concerned, since my level will never be higher than yours so it's hopeless...