Noseki 2
Keywords: Ko
![[Diagram]](../../diagrams/41/0099199485cf0b508fa4424b2d2eb677.png) | Noseki |
White is not joseki. It is more normal to invade at 'a' or make a double approach at 'b'. The ikken tobi at 'c' starts the possibly deprecated Catenaccio Joseki.
![[Diagram]](../../diagrams/17/b0a4b4bc379b85ec79c2d3abca40ca1d.png) | Joseki |
This mistake is probably caused by the vague memory of a simliar 3-4 joseki.
So what's different here?
![[Diagram]](../../diagrams/51/db6e72595cb0783188904ca975800a63.png) | Noseki |
White may play in the first diagram expecting black to make a two-point extension here as in a typical continuation of the 3-4 point joseki. However, black probably wouldn't do this, because the 2-point extension on the fourth line doesn't have the same meaning as it would in the 3-4 point joseki---it doesn't secure territory. Black may instead choose to seal white in with 'a'.
![[Diagram]](../../diagrams/41/f62058923d33b718cfed7115fd30e339.png) | Moves 20 to 28 |
The only game I could find with this jump was this one, played by Pak Seung-hyeon as white against Yi-Setol in the 2001 Baduk TV Cup. Here the idea of the jump seems to be to treat the marked white stone lightly and build an outside position.
This is a copy of the living page
"Noseki 2" at
Sensei's Library.
2004 the Authors, published under the OpenContent License V1.0.
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