DescriptionChess, with 9 different levels, so you can test your levels exactly.
For each level, you have to win 3 consecutive times to pass. After all levels passed, you are the same level as professional Chess player.
This is also a facebook free app, the url is here:
All levels are open in facebook.
For the buttons, they are:
1) rate, to rate the app in app store
2) mail, to invite friends to play this app
3) restart, to surrender and restart a new game
This is a professional test, no undo!
Welcome any advice and suggestions.