4-4 Point Low Approach, Low Extension, 3-Space Mixed Extension

    Keywords: Joseki

See parent joseki article: 4-4 point low approach low extension

Three-Spaced Mixed Extension Joseki  

The 4-4 Point Low Approach, Small Knight Extension, Three-Spaced Mixed Extension is a popular response to the Small Knight Extension. It is often played to develop a fast framework and emphasizes outside influence, but it can be easily invaded.

It is seen in a number of fuseki, particularly the Kobayashi Fuseki and in modern go with white threatening to build a moyo on the top.

Once White plays W3, this joseki is settled and it is an even result.

Professional players typically leave this position alone and tenuki until the middle game, during which Black may attempt invasions and reductions. White has a large follow-up with a one-space jump at the circle marked point.

Table of contents

Joseki Theory

Continuations for Black

See related article: Three-space extension invasions

Continuations for White


The mixed three-space extension began to be popular in professional play starting in the 1990s. It remains popular in professional and amateur games up until today.[1]


  • [1] Frequency statistics were obtained from [ext] Waltheri's Go Pattern Search using the full database restrained to a local search (accessed August 2021).

4-4 Point Low Approach, Low Extension, 3-Space Mixed Extension last edited by yuzukitea on August 11, 2021 - 05:54
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