Gokyo Shumyo, Section 1, Problem 91 / Attempts

[Diagram]
White to live  

Jasonred And a and b are miai?

unkx80: This is the solution, but the above comment is wrong.


catch22: I did not immediately see why W1 below did not work, so I thought I'd add the refutation.

[Diagram]
Nearly works, but not quite  
[Diagram]
B6 captures  

[Diagram]
White to live  

cutting at W1 followed by the cut at W3, in place of White cutting at the location of B4, fails.


black resistance?

[Diagram]
White to live (a / b miai for kill)  

tapir: I wonder about B2, can't Black play like in this diagram (avoiding the shortage of liberties). Likely I am hallucinating, please point out where. (I noted a different setup in the similar classical problems which would allow to capture at a in sente.)

[Diagram]
White to live  

unkx80: After W5 the black corner is not yet alive, so black probably don't have time to turn the top side into a false eye.

tapir: W9 should kill. (Actually this is a typical mistake for me. Not looking at my own eyeshape.)

[Diagram]
White to live  

unkx80: If you want to be doubly sure, this works as well. Corner is a L-group which is not yet alive.


Gokyo Shumyo, Section 1, Problem 91 / Attempts last edited by tapir on March 31, 2011 - 22:38
RecentChanges · StartingPoints · About
Edit page ·Search · Related · Page info · Latest diff
[Welcome to Sensei's Library!]
RecentChanges
StartingPoints
About
RandomPage
Search position
Page history
Latest page diff
Partner sites:
Go Teaching Ladder
Goproblems.com
Login / Prefs
Tools
Sensei's Library