"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

  • Aerion: Inseong is truly an amazing and awesome teacher. He always explains everything clear and easy to understand. A great league system which allows you to test your skills and improve fast.
  • donghalee: The best
  • 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, ...
  • AlpnCactus: I was completely sold on the program from the beginning. But somehow it only continues to get better! In-seong is an excellent teacher, dedicated both to the game and to his students! Than...
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