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Original review, 2024 - Very happy with the puzzle selection, analysis feature, and accuracy. 1/30/26 - dropped from 5 to 4 stars. I found winning solutions to 352 and 353 which the app failed to recognize. Also, no method to report problems such as this from the app. 9/1/26 - I got tired of Stockfish showing a 'Winning' assessment of my move. While it might not be as elegant as the given solution, it wins. And that's the objective. I deleted the app.
2 people found this review helpful

Mashrur Mahmud
It's simple, minimalist, and has everything a beginner may need. I've watched myself grow from a shakey 1100 to a 1700s, at present. Quick & obvious tips: if you feel like a puzzle ended too quickly, just go back and turn on analysis to see the rest. If you particularly feel like practicing a puzzle, you can play the computer from that point on. You can also revisit old levels by swiping on the analysis board.
40 people found this review helpful

Gerald Thibodeau Sr
Fantastic app! Great functionality. I have it set to stop after each puzzle. Even when I get the puzzle correct, I can play from that position OR and this is BIG, I can go back and play a different move, play a game from that position and discover why a different candidate move would be wrong. For those new to problems, there is an easy mode. Another great freature is you have a setting for spaced repetition on problems you miss. That means they will appear now and then so you can learn them.
12 people found this review helpful