Excellent!
I like these much better than composed problems, as these are based on actual games. There are some, however, which, after Ive given up, the iPhone is unable to solve and displays a message to that effect, and when I play through the text solution, the problem makes no sense - lots of unforced moves and plenty of ways to avoid mate within the given number of moves. Other than that, this, together with the other set of puzzles from MCC, is great. Im up to about 60% success with mate in six, which seemed impossible when I started. Many hours of enjoyment, highly recommended!
Thisnicknameaintbeentook about
Memphis Chess Club