"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

  • gasana: In-Seong is a very good teacher, always very clear and adapted to the level AND to the person. He is always very commited and friendly. Beside the system is very good to improve a lot on eve...
  • 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.
  • 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...
  • Shamash: It is probably the best online go school you can find ! Great system, great teaching and teachers ! And the price is fine for the content you can find. Love it !
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