"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

Registration for the new season(42nd) has opened! 
Period: 21st of April- 11th of July 2025(12 weeks)

 Register 

The main teacher, Hwang In-seong's first book series, "Trouble Master vol.1 & 2" are available on Amazon!
Also, you can order directly here and get a signed copy! Please check the information here: Trouble Master

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

  • kikashi: I have enjoyed my time as a Spectator. I am certain that a full playing membership is even better. However, I currently attend to my aged mother, so joining as a full member must wait ...
  • 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...
  • 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.
  • ix7: Unfortunately I have to stop due to lack of time at the moment :( But I will definitely return here again, when I have some free time :) InSeong is a great teacher, he has a lot of pacienc...
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