How to Fix
Possible solution to chess ultra crashes or freezes when starting.
Before trying any other solutions to the problem, try disabling the Steam interface in the game.
How do I disable the Steam interface within the game? Easy:
- Go to your library > right click on your chess ultra > select properties > go to the general tab > select disable the Steam interface during games.
Start chess ultra again, done.
This should fix the freezing on startup issue.