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NetExample7
NetExample5
NetExample6
NetExample2
NetExample3
NetExample4
NetExample1
NetExample8
NetExample9
ParallelLadders
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Net

 

knight's move net
  Difficulty: Beginner   Keywords: Tactics

[Diagram]
Net question

Black to play and capture the marked stones.
There are quite a number of patterns of net; those built on knight's move relations are sometimes missed in games by amateur dan players. This less usual example is taken from a Korean book for use in schools.


[Diagram]
Knight's move for clean capture

After B1 White can do nothing.


[Diagram]
Too close by Black

If B1 is played one line closer, White can do plenty, and if Black resists White's escape, the BC stones become weak.

Charles Matthews


[Diagram]
Knight's move for clean capture

In the knight's move example, how can black avoid a cut like this?

I come across problems like this every day and they're annoying to say the least! Or am I missing something? Got a feeling i'm making a fundamental defence error...

David Foale?

Joonas Tyystjarvi: the cut here doesn't really matter, since the white stones inside are captured. B5 is better left unplayed - black could play straight at a (or b, if he wants to capture fast).

David Foale?: i know the stones are dead, but nevertheless the cut annoys black, those 2 stones could be a problem if white has thickness to the bottom. is there any way to avoid this?

Joonas Tyystjarvi: with a net, there's usually no way to avoid some kikashi - in this case, you could say that W4 is a forcing move. Also see my earlier comment - there's no need to force white to make a two-stone group. If B5 is at a, black threatens a ladder capture, and if white plays W6 to prevent that, he becomes heavy.




This is a copy of the living page "knight's move net" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.