Aji — The Phantom Potential

Difficulty
Language RUEN
Subtitles EnRu

What's hiding among the stones?

October 2025
(11)

Your own position could often have some aji, or concealed issues that you need to get rid of. At the same time your opponent’s position could have some invisible possibilities that you can reveal. Aji is a multilateral and advanced concept in Go. Noticing and using aji to your advantage in games requires a fairly good understanding of shapes and tesuji, strong reading skills and a lot of experience.

This course will introduce the key concepts of “aji” and “aji keshi”, the groundwork of their practical application, and many patterns that you can take straight into your own games.

Suitable for: 9 kyu – 5 dan

Alexander has been collecting these examples for 20 years! As it often happens with his lessons, there are some fundamental principles and standard positions that kyu players can learn here, but there are also some impressive and inspiring techniques for dan players.

Teacher

Alexander Dinerstein 3p

Born in Kazan, Alexander began playing Go at the age of six. To advance his skills, he moved to South Korea in 1997 to study as an insei. Alexander is one of the most decorated players in the history of European Go. He has won the European Go Championship seven times and has been victorious in other major European tournaments, including the European Ing Cup and the European Masters. Formerly an active competitor, now primarily a teacher and promoter of the game.

  $69.90 *
Trial Lessons
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Course Includes

9 Lessons
10 Quizzes
~ 2 hours

Reviews

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Avg. Rating
11 Reviews
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We'd love to know what you think!
Posted 1 month ago

Invaluable. This was amazing. Great teacher!

Posted 1 month ago

Great course. As a 3 Thai dan, I still found myseslf making these mistakes that the lecturer said is "Kyu Level's mistakes." Therefore, if you want to beat my former-self before I took this course, then this course is your best bet. ^^

Posted 1 month ago

I've enjoyed all of the courses from Alexander and this is no exception

Posted 2 months ago

This course is excellent. I hope they're all at this level! 🙂

Posted 2 months ago

Excellent

Posted 3 months ago

Great course on such a complex topic

Posted 3 months ago

very good course thanks

Posted 3 months ago

As always very informative and well made course from GoMagic and Alexander!

Posted 4 months ago

Helps me a lot

Posted 1 month ago

Спасибо, отличный курс!

Posted 2 months ago

Хороший курс. Узнал много нового и кое что уже применил в своих партиях.

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