Sunday Problem #46

Published 18 Apr 2021 by antti (last edited 25 Apr 2021)

Like last week’s problem, this is also a classic tesuji problem.

Black to play.

Solution (1)
Black does not have much choice but to start with 1, but in response to this White launches the attachment of 2. After this, the rest of the problem is about how Black can avoid having to fight a kō.
Black’s 3, 5, and 7 are the key tesuji combination. Following, even though White can capture two stones with 8–
Solution (2)
–Black recaptures with 9, and wins the capturing race directly.

Comments (2)

antti wrote 1 week, 6 days ago:

Solution added.

sirocco wrote 1 week, 6 days ago:

Very cool :D