Poker Website Upgrade

Is the problem a bit more than just leaderboard?
You wanted to know about any changes and here is one:

All I did was access my account directly from the site whilst playing:

Here is the message:-

  There is a problem with this website's security certificate.

   
The security certificate presented by this website was issued for a different website's address.

Security certificate problems may indicate an attempt to fool you or intercept any data you send to the server. 
  We recommend that you close this webpage and do not continue to this website. 
  Click here to close this webpage. 
  Continue to this website (not recommended). 
     More information


If you arrived at this page by clicking a link, check the website address in the address bar to be sure that it is the address you were expecting.
When going to a website with an address such as https://example.com, try adding the 'www' to the address, https://www.example.com.

For more information, see "Certificate Errors" in Internet Explorer Help.