Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
You can also take the longer path (In case your computer is like mine's and doesnt work on Rainman's link), using this https://client00.chat.mibbit.com/
Just select SynIRC, your Nick and on Channel you type #capasb
Just select SynIRC, your Nick and on Channel you type #capasb
Have fun!