800 QuestionsSince AI responds to incorrect moves, it is understood through trial and error in a fun way, without being forced to memorize it through injection. We also accept multiple correct answers. free.///// Only practice makes perfect.Genius athletes review easy basic skills every day, honors students (geniuses) review the same book several times, and professional engineers review (easy) Tsumego every day.///// No server (internet) required. Respond to the wrong answer on the phoneThere are many good Tsumego apps. However, most do not respond to incorrect answers. Multiple correct answers are not accepted. Apps that respond to incorrect answers require an internet connection and are expensive and paid. Implementing AI on a server is much easier than a phone, but it is expensive to maintain. This app implements AI on mobile (without expensive servers), so you can easily understand Tsumego for free.///// Tsumego are important. Personally, I was in the 9th grade of Go for a year. I memorized more than five books and a hundred notations, and continued to write two different editions, and I was still Go 9th grade.. By the way, one day, I memorized a book of Tsumego, and I got 1th grade in a week. It was exciting when I beat Go 8th grade., which was like a huge wall that couldnt be crossed. Once you understand and memorize Tsumego, the battle becomes stronger. There are 800 carefully selected questionsIn front, there are beginner (16th grade), and advanced (1th grade).# Completely free to solve questions without using hints.# The first 100 questions are free with hints.# Respond to all incorrect moves from non-buyers in all questions.In rare cases, if the result (success) does not come up (a bug occurs), you can press yield (one pause).We do not keep any personal information. In fact, there is no server. When you delete the app, the purchase history (hint) is also lost.Difficult questions require high specifications.Tested on Samsung S7 and S10.If AI takes a lot of time, pressing any button will cancel it. (It is processed in parallel.)///// conclusionThere are still areas to improve on the app,, but we look forward to helping you learn Go fun.----개발자 연락처 :01027562760