34 Point High Approach Inside Contact Solid High

   

Solid high position on the side

[Diagram]

Solid high extension

After the solid connection (circled) and the high extension (squared), Black can invade.

[Diagram]

Invasion

B9 makes miai of a and b. Alternatives are B5 at B9 immediately and W8 at a for ko.

In particular if Black has support at the circled points, this invasion can be devastating.

dnerra: Hmm, it looks to me like White has many other options, and the chosen one is far from optimal. There are more choices, but W6 looks like a mistake unless White really really has to protect territory in the upper right.

When I have seen B1/W2, B3 was played at c (cf. 'deep invasion' dia.[10] below), making miai of b and d. Far more frequent than B1 seems to be c directly however:


[Diagram]

Solid high extension

tderz B1 is not as optimal as c (see [10] below), because a black move around e is missing.
IMO, there is nothing wrong with a little running fight , starting with W2.
If now black f, white g, then a partial result will be that the area around e will be influenced more by White and Black's influence around p will be reduced.

If B goes for another option, starting with sabaki tactics k-l-m or so, it's just a different game. Important is simply that one is not too obsessed by the idea The area around B1 must always be White's area, rather stay flexible and be ready to exchange. tderz


[Diagram]

[10] Deep Invasion

B1 is very effective. It threatens to link up at a. If White prevents this with W2, the fight can become very difficult for White after B3. Often, White just defends with W2 at b. After that, Black can treat B1 as kikashi if he likes.


This is a copy of the living page "34 Point High Approach Inside Contact Solid High" at Sensei's Library.
(OC) 2007 the Authors, published under the OpenContent License V1.0.
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