Ever since Google recently added a ton more pages to their index you’re seeing more and more of this crap. For a search of “online texas holdem”, coming in at #7:
http://shauny.org/pussycat/2004/10/online_texas_holdem.php
Have also seen words/phrases ranking top ten when the only on page reference is the name of a poster on a message board. The page/site has absolutely nothing to do with the topic. Bigger isn’t always better.