Gokyo Shumyo, Section 6, Problem 21 / Attempts

[Diagram]

White to play and connect underneath

[Diagram]

2 here is the solution. Black connects and saves:

[Diagram]

Or black defends his weakness:

ChrisSchack: Nothing prevents B from defending at the circled point. W4 was captured. If I knew how.

[Diagram]


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Related connection problem

unkx80: I strongly suspect that this Gokyo Shumyo problem may be solved using ideas from the connection problem on the left.

Actually, I am very sure that the connection problem on the left can be found somewhere on SL...


Tapir: Black can't play on both a.

[Diagram]

White to play and connect underneath - I

[Diagram]

White to play and connect underneath - II (Ko, best for black?)

Tapir, can't W just fill at black+square with W7 to avoid the ko? That leaves W7 and a as miai to connect.

Tapir: Oh my god! Sure...

[Diagram]

White to play and connect underneath - III

[Diagram]

White to play and connect underneath - IV


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