Looks good...
My opponent just castles queenside out of check and through his queen. Both of which are illegal.

Engage in fast-paced chess matches against opponents worldwide. Each game is designed to conclude within nine minutes, offering a quick and competitive experience for players of all levels.
1.2
October 24, 2012
- Fixed bugs related to illegal castling - Added iPhone 5 support - Added New iPad support - Player names may now include spaces - Minor usability enhancements - Removed iOS 4.0 support
MoreEach game of 9-min Chess is designed to last approximately nine minutes, providing a fast-paced experience for players.
9-min Chess requires an internet connection to play against random opponents online. It does not support offline play.
9-min Chess has an age rating of 4+, making it suitable for a wide range of players.
The latest version of 9-min Chess is 1.2, which was released on October 24, 2012. Updates may not be frequent.
9-min Chess is available on mobile devices. Specific platform details beyond this are not provided.
The provided data does not specify if 9-min Chess contains advertisements. It is listed as free with no in-app purchases.
9-min Chess has a rating of 3.7 stars based on 6 user ratings.
Yes, 9-min Chess is designed to be accessible for all levels, making it suitable for beginners looking to play quick games.