Go players love to argue about joseki. Some say you should learn hundreds of sequences; others say memorising them is a trap that makes you weaker. Both sides have a point. This article gives an honest, practical answer: how much joseki study makes sense at each stage, and how to study so that it actually helps.
The argument against memorising
The classic warning is the saying that "learning joseki loses you two stones of strength". The idea behind it:
- Joseki are fair only locally. If you play a memorised sequence in the wrong situation, the result can be bad for the whole board.
- Opponents deviate. Few club or online players follow textbook lines. If you only know the moves and not the reasons, you do not know what to do when the opponent plays something else.
- Time is limited. Hours spent memorising variations are hours not spent on reading, life and death or reviewing games, which usually help beginners more.
The argument for learning some joseki
On the other hand:
- Joseki contain good shape. Seeing how strong players handle corners teaches you efficient moves and good connections.
- They save you from traps. Some natural-looking moves in the corner are simply bad, and knowing the standard answer avoids losing a corner early.
- They free your attention. If the corner goes smoothly, you can think about the rest of the board.
So joseki are useful — as long as you learn them with understanding.
How much at each stage
Complete beginner (first months)
Learn no formal joseki. Play on 9 × 9, learn liberties, eyes, connection and simple fighting. Joseki hardly apply on the small board anyway.
Moving to 13 × 13 and 19 × 19
Learn two or three situations well:
- The approach to a star-point corner and the simple answers (the star-point approach).
- The 3-3 invasion under a star point and which side to block from.
- One common approach to a 3-4 point (the 3-4 point small knight approach).
That covers a large share of the corner situations you will meet.
Intermediate players
Add sequences gradually, especially those that keep appearing in your own games. When you lose a corner, look up what the standard answer would have been and understand it.
A better way to study
- Learn from your own games. Each time a corner goes badly, replay it and find where the trouble began. Then study that situation.
- Ask "why" for every move. If you cannot say what a move protects or threatens, you have not learned it yet.
- Focus on the final shape. Territory or influence, which direction each side faces, and which stones remain weak.
- Practise deviations. When you know a sequence, try playing it against the computer and see what happens when it deviates.
- Tie everything to direction. Choose between joseki by which result fits the board. See choosing joseki by direction.
Signs you are over-studying joseki
- You play the same sequence in every corner regardless of the rest of the board.
- You feel lost as soon as an opponent leaves the textbook.
- You lose games in the middle game or through dead groups, while your corners are "perfect".
- You spend more time reading about joseki than playing and reviewing.
If these sound familiar, shift your study time toward life and death and game review.
Signs you are under-studying
- Your corners are regularly destroyed early in the game by simple invasions.
- You often end up with low, cramped groups in the corner and big enemy walls outside.
- You do not know what to do when a star point is invaded at 3-3.
Then a little targeted joseki study will help quickly.
How to use this site for it
Play 13 × 13 games against the computer on the home page and pay attention to the first ten moves in each corner. Against people on the online page, save your games by signing in on your account and replay any corner that went wrong. The site does not have a joseki dictionary or an analysis engine; the review is yours to do, and that is exactly the kind of thinking that makes joseki knowledge stick.
For the basic idea of what joseki are, see what is joseki.
A balanced weekly routine
For a player moving from 13 × 13 to 19 × 19, a reasonable balance might look like this: most of your study time on playing and reviewing games, a good share on life and death, and only a small slice on corner sequences, usually the ones that went wrong in your own games that week. As you get stronger, the share of joseki can grow. The exact proportions matter less than the principle: joseki study should follow your games, not replace them.
What strong players say
Many strong players describe their own relationship with joseki in a similar way: they learned the ideas early, forgot most of the exact sequences, and now reconstruct them at the board from understanding. That is a good target. If you can explain why each stone in a corner is where it is, you do not need to remember the order of moves — you can work it out.
How to learn one joseki properly
Take a single sequence you keep meeting. Play it out on a board slowly. After every move, say in one sentence what the move does: "protects the corner", "stops the slide", "builds toward the left", "prevents the cut". If you cannot say it, find out. Then play the sequence again, but change one opponent move to something natural-looking and ask what you would do. After an hour of this, you will know that joseki better than someone who memorised twenty.
Where joseki knowledge pays off most
The biggest benefit of joseki study usually shows up in the first twenty or thirty moves of 19 × 19 games, where corners are settled one after another. On 13 × 13 it helps a little less, and on 9 × 9 hardly at all. Adjust your study to the board you actually play most.
Frequently asked questions
Will learning joseki make me stronger?
Learning a few with understanding helps. Memorising many without understanding often does not.
What should I study instead of joseki?
Life and death, reading, connection and reviewing your own games usually help beginners more.
Do I need joseki on 9 × 9?
No. The small board is about fighting and life and death.
How do I know a joseki is still considered good?
Standard sequences change over time, especially since strong programs appeared. Focus on the ideas; they change much less than the details.
Is it bad to deviate from joseki?
Not if you have a reason. Deviating to fit the whole board is often correct.