GokyoShumyoSection3Problem65/Solution

[Diagram]

Author's mistake

This is the original version. B6 lives unconditionally.

[Diagram]

Modified version

So Honinbo Shusai modified the diagram to the position after B6 here in his edition of Hatsuyoron. Then....

[Diagram]

Main Line: Ko

W2! is the point, Black can't catch this stone without making the resulting eye false. B7 is forced.

[Diagram]

Wrong Order

This is a mistaken order of play; B3 stone help catch the White stone on the first line.

[Diagram]

Easier

B1 is met by W2, threatening to connect to either side. B3 is forced.


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