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Cutting the one-point jump
    Keywords: Shape, Tactics

[Diagram]
Cutting a one-point jump

The diagram shows what happens if White cuts the one-point jump in absence of supporting stones. (Black can of course play B4 at W5). B6 threatens a ladder at a, but Black may well play B6 differently depending on the board. In general, White will struggle to keep both W1+W3 and W5 alive.

This is why, in general, don't try to cut the one-point jump.


[Diagram]
Safe one-point jump

Here, the one-point jump is reinforced by B1, and can no longer be cut. (after the sequence a - d White cannot cut)

--MortenPahle



BQM52 has some more information about cutting the one-point jump in connection with walls.



This is a copy of the living page "Cutting the one-point jump" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.