3463 enclosure

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Introduction

[Diagram]

3463 enclosure

The 3463 enclosure, also known as the large knight's move enclosure, has properties that are somewhere in between the 3453 enclosure and 3454 enclosure: it is faster than the territory-oriented 3453 enclosure; yet is itself more territory-oriented than the 3454 enclosure. Despite the differences, further development of the 3463 enclosure is very similar to that of the 3453 enclosure and 3454 enclosure, such as the double wing formation. However, the invasion and reduction techniques for the 3463 enclosure may differ from the other two types of enclosures.


Invading the 3463 enclosure

[Diagram]

3463 enclosure

Unlike the 3453 enclosure, this enclosure does not gurantee the corner territory. White can invade at a or b and live or escape. However, most of the variations are unfavorable for White. Here are some for the move at a:

[Diagram]

3463 enclosure invasion



If W5 is one space to the right, attaching on the 6-3 stone, White can live inside but gets sealed in and Black gets too much thickness on the outside. For example:

[Diagram]

3463 enclosure invasion



[Diagram]

3463 enclosure invasion (continued)



For the invasion to be a success White usually needs support on the outside.

[Diagram]

3463 enclosure

By "support on the outside", we usually mean the existence of a White stone at a or b, and that stone has to be a part of a strong group.


This is a copy of the living page "3463 enclosure" at Sensei's Library.
(OC) 2007 the Authors, published under the OpenContent License V1.0.
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