Chess is breaking the Internets

I tried to go to chessworld.net this evening to check if any of my current games are waiting for me to move and what did I get but an error message:

The page cannot be displayed

The request cannot be processed at this time. The amount of traffic exceeds the Web site's configured capacity.

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Please try the following:

• Click the Refresh button, or try again later.
• If this error persists, contact the Web site administrator to inform them that this error continues to occur for this URL address.

HTTP Error 500.13 - Server error: Web server is too busy.
Internet Information Services (IIS)

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Technical Information (for support personnel)

• Go to Microsoft Product Support Services and perform a title search for the words HTTP and 500.
• Open IIS Help, which is accessible in IIS Manager (inetmgr), and search for topics titled Monitoring and Tuning Web Application Performance, Performance Monitoring and Scalability Tools, and About Custom Error Messages.