"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

  • ippon: Inseong is an excellent teacher, funny, brilliant, and very patient. I was a member for 3 months and won my division in the next US Open. But even so, I had not study properly and so as a ...
  • donghalee: The best
  • GoRoGoRo: Oh, oh, oh - my first won game. Thanks to Inseong for the commentary. Won't play 4th line as excessively as before. At least that is what I should consider. Inseong managed to comment very s...
  • stibbons: In-Seong's go skills are already legendary, and I bet his pedagogical skills will be soon. The Yunguseng Dojan offers an efficient way to improve your go level very fast.
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