"To improve your Go strength, you need 3 steps: play serious games, get reviewed, and gain new ideas. This program will help you do all of them.

I will do my best to give you a new point of view and allow you to enjoy this beautiful game ‘Go’ even more!"  - Teacher, In-seong Hwang
The next season(45th season) registration has opened!
Register now and get early access in July/Aust already!

Season period: 7th September 2026 - 5th February 2027.
Please check the details in the schedule tab.

 Register 

Please experience our new tool: Yunguseng Lecture Pattern search in the Lectures tab!

Season 4, 5th lecture
Sample Lecture: 6-7-8 theory in the corner

YD Rating System

1. Get your personal data page
2. Check your strength every week

Yunguseng Dojang rating points start with your rank, then adjust each week based on your league game results.

Yunguseng rating points will be carried over into each new season

Comments about our Teacher

  • crottmann: If you are searching for go teaching consider this great system. In-seong and of cause Semi do their very best to lift you up some level. And they do it at the top of go teachers in europe, ...
  • Shinichi56: Inseong's knowledge, reading skills and wisdom go far beyond any players I have met in Europe. However, he manages to teach any kind of levels from Digit Kyu to High Dan with a well organize...
  • Ellyster: I love it. Cristal clear and easy to remember explanations. The league + review + homework system (+ the proud of being a Yunguseng) keep you focused and with high motivation. Specially ...
  • positon: It's great to have all of your games reviewed. In-Seong always focus on your most important mistakes and the explanations are always adapted to your level!
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