When you click on the link below, the JIN applet which will enable you to log in to FICS, the Free Internet Chess Server to  start playing chess  against other guests. The applet will take some time to load but it's worth waiting for. 

You can even decide to register for free. I enjoy playing chess on FICS very much and I can recommend it to you.
You may visit their site at http://freechess.org/ or read more about the JIn web interface at http://www.jinchess.com/

>>>>   Enough talk, I want to  play chess against other guests right now!   <<<<