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Katteyomi
   

This is an interesting term that I recently noticed in a Tsume Go book by IshidaYoshio. The literal meaning is selfish (katte) reading (yomi) and the meaning in Go is to make a mistake in reading by assuming that your opponent will make responses that lead to the result you want (in other words responses that are not actually the best). The result is as much 'superficial' reading as 'selfish'. Who among us does not suffer from this problem? :-)

Strictly speaking it is not a pure Go term since it has a broader usage something like 'interpreting things from a selfish point of view'.



[Diagram]
Diag.: Katteyomi Example

B has just played 1. How does W live?


[Diagram]
Diag.: W 2 is Katteyomi

W plays 2 expecting to live with B 3, W 4.


[Diagram]
Diag.: B forces ko

W has failed to anticipate B's improvement at 3 here. This forces ko when B answers 6 by capturing at 3.


[Diagram]
Diag.: Best for White

Further reading yields this 2 instead which lives unconditionally.

--DaveSigaty



This is a copy of the living page "Katteyomi" at Sensei's Library.
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