If you use the plesk control panel and can utilize the menu to check your plesk user and password information, here are the steps you can follow to check this.
1. login first to your Plesk control panel.
2. In your Plesk account select your wordpress account name (co:Ultimate Blogging Championship).
3. In the wordpress details menu, select Setup.
4. Next, on the setup menu, you can check your wp admin url, wp admin user and wp password.