Gokyo Shumyo, Section 1, Problem 78 / Solution

We try it out at Gokyo Shumyo, Section 1, Problem 78 / Attempts.


The solution is copied over from Gokyo Shumyo, Section 1, Problem 78 / Attempts, with minor corrections.

Main line: Hashimoto Utaro
Variations: unkx80, Dieter

[Diagram]

Solution

The tesuji is W1.


Hashimoto's main line

[Diagram]

Main line

[Diagram]

Main line (continued)

B12 can't play at a because White captures three in a row, assuring a second eye.


Variations

[Diagram]

Variation 1

This lives. Covered in Beginner Exercise 56 and Beginner Exercise 58.

[Diagram]

Variation 2 (main line)

The next tesuji is W3, sacrificing yet another stone.

[Diagram]

Variation 2a

[Diagram]

Variation 2b

[Diagram]

Variation 2c


Failures

[Diagram]

Failure 1a

If White fires off the usual sequence first only to play the former tesuji at W7, she falls short as a is now suicide.

[Diagram]

Failure 1b

[Diagram]

Failure 2


Next


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