"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 45th season is running!
Missed out on joining? Maybe you can join the 2nd cycle in 4 weeks!
Or join as a spectator :)

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

  • Fabbo: Want somebody who can explain as good as he can play? Then In-seong is the man. He can explain difficult techniques so even a 10k can understand and apply them.
  • eko: He is absolutely a good teacher. His lectures are always well-prepared, and his online yunguseng system allows go players to develop fast and to learn concepts systematically.
  • ivoSF: its easy to see he has the experience in teaching to give concise lessons and keep building on them without it becoming fussy . also like ellyster says its amazing ke can keep track of so...
  • 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...
American YD Standard Time
Eastern Time - New York