GokyoShumyoSection4Problem66/Attempts

An example of a tombstone squeeze.

[Diagram]

Attempt part 1

[Diagram]

Attempt part 2, (revised)


PeterHB: Discussion by MrTenuki refers to this superceded diagram:

[Diagram]

Attempt part 2

MrTenuki: I'm not sure if W9 in the second diagram is correct, because black could resist like this:

[Diagram]

Attempt part 3

Now a and b are miai for black...

[Diagram]

Attempt part 3 (Case A)

Black connects and should be able to deal with the cutting point at circle.

[Diagram]

Attempt part 3 (Case B)

If white plays W4 at a, black can connect the stones safely in a manner similar to that of Case A. If white plays at c...

[Diagram]

Attempt part 3 (Case B)

And it's a ko (W8 at e). Sure, white takes first and will most likely win the ko, but why start a ko when you can capture unconditionally?


[Diagram]

Attempt part 2, revised?

By the logic of your opponent's good move is your good move, perhaps W9 of "attempt part 2" above should be played here? PeterHB: Suggestion accepted.


This is a copy of the living page "GokyoShumyoSection4Problem66/Attempts" at Sensei's Library.
(OC) 2009 the Authors, published under the OpenContent License V1.0.
[Welcome to Sensei's Library!]
StartingPoints
ReferenceSection
About