"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

  • fllecha: Probably the best go teacher, very kind and very smart wit a nice sense of humor. You can easily improve from say 14-15K to 8-10K only watching recorded lessons: very efficent examples, very...
  • karnickel: I' m very happy to get such great reviews. Thank you to all teachers!
  • jamseki: I like clear, focused and easy to understand lectures. This was the main reason to join the system as spectator recently. Now not only lectures but also commented games are a great place to ...
  • Leothelion: In-seong's teaching skills are outstanding. He can identify wrong conceptions you have about the game, and give insightful advice on how to correct them. He also is very patient, and has a g...
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