Variation 8: Point = Go-no-go = Wu~wu~ Variation 9: Reducing against Choosing a joseki: Since josekis work effectively in a certain direction, examine. Welcome to the Joseki Dictionary. The dictionary will enable you to perform joseki (established sequences usually situated in the corner of the Go. Professionals often invent joseki in their games when the standard joseki are inappropriate. All this is very interesting but for the amateur Go player a subset of .

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The term may also be used for sequences that occur in other parts of the board sides fo center and at various stages in the game opening, middle and endalthough such usage is usually made using explicit wording, such as endgame joseki.

Joseki pages at Sensei’s Library

It is also possible, although uncommon, to use the term joseki to refer to sequences whose outcome is not equal. Note that “locally even” neither implies optimal nor even at the whole-board level.


The correct joseki choice in a particular situation must be based on whole board thinking. Which sequences are considered playable joseki has changed throughout history, owing to the effects of rule changes most notably komicontinued research from professional players and, most recently, from AI analysis.

A joseki that has fallen out of fashion is normally labelled as ‘old’ or ‘bad’. If a sequence is not considered joseki, it usually means that either one side of the exchange is left at a clear disadvantage with little or no redeeming benefits, or that the position is too uncommon to have developed an agreed upon continuation.

Proper evaluation of joseki considers the trade-offs between: Due to the numerous amount of researched joseki and the fact that joseki may occur at any part of the board and at any stage in the game, books and resources on joseki have largely koseki on one “category” of joseki at a time. The main categories include: Many of these categories may further be broken up into subcategories, josekki as the avalanche josekiChinese openingand middle game reduction play.


Two special categories of joseki study are trick plays and hamete. The Korean word, when written in hanjauses the same characters, and has the same semantics as the Japanese word.

Joseki pages

Sensei’s Library has a semi-comprehensive overview of joseki. If you know which joseki you are looking for, then you can use the position search page.

Below is a quick reference to navigate through the main branches of corner joseki, where navigation is performed by clicking on the letters in the diagram. JosekiIndex page.

Reference diagram for corner joseki. Joseki last edited by 5. Edit page Discuss page 5.