Go Challenger-Go game(Tsumego) v2.62.41

It is a Go game that was created with the long-standing know-how and technology of the global Go site TYGEM.
Improve your Go skills with carefully selected Life&Death quizzes every day.

Characteristics of the game
- PRO AI will respond to all your moves until you understand them.
AI accepts all the wrong moves, so you can try indefinitely with your own thoughts.
If you try multiple times, you'll be close to the answer.

- There are approximately 5,000 high-quality Life&Death quizzes waiting for you.
The quizzes are divided by "To kill" and "To live", so you can choose the quiz you want and try it.
Also, each is divided into 7 levels of difficulty, so experience the quiz that fits your level right away.

- A new quiz tailored to your Go level is recommended every day.
Challenge your own Life&Death quizzes that change every day.
Life&Death quizzes tailored to your level will upgrade your Go level further.

- Compete with users all over the world
Each quiz has a record of the number of challenges and success rates of users worldwide.
If you succeed in a Life&Death quiz for the first time, you will remain the eternal successful challenger of the quiz.
Try challenging quizzes with low success rates

- How strong is my Life&Death level?
You don't have to solve all the quizzes to know your level.
Check your level in a short period of time with the level test.
If you knew your level, all you have to do is boost your level.

- Various Go stones and Go board skins
If you're tired of the classic Go background, try changing the Go skin to suit your taste.
There are many combinations of Go stones and Go boards, so find the best combination that makes you feel the best.