Gokyo Shumyo, Section 1, Problem 17 / Solution

Main line: Hashimoto Utaro 9p
Variations: unkx80, Dieter Verhofstadt 1k

Main line  

White W3 is tesuji.

Main line  

Later, if B4, then W5 captures the B4 stone and lives.


Leaving out the hane enables Black to play hane himself. The most White can get out of it is to starting a (terribly disadvantageous) ko at a.

Wrong (ii)  

The throw-in at B4 and the atari at B6 will throw the entire black group into a ko.

Wrong (ii) (cont)  

If White connects the ko at W3, the atari at B4 blows the eyeshape away. If White doesn't, a black capture at B3 continues the ko.


White W1 here doesn't threaten anything, giving Black the time to make an eye false at B4.

Go to Problem 18
Back to Kanazawa Tesuji Series

Gokyo Shumyo, Section 1, Problem 17 / Solution last edited by Unkx80 on December 5, 2004 - 07:28
RecentChanges · StartingPoints · About
Edit page ·Search · Related · Page info · Latest diff
[Welcome to Sensei's Library!]
Search position
Page history
Latest page diff
Partner sites:
Go Teaching Ladder
Login / Prefs
Sensei's Library