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Auto-atari
Path: Mistake · Prev: BeginnersPlayAtari · Next: AutomaticPlay
Keywords: Go term
To put your own stones in atari.
This endgame hane is not such a good idea. The connection of Example 1
From the Crane's Nest Tesuji. The circled spot is the last liberty of the chain of five Black stones surrounding it. If Black wants to protect his stones from being captured ...
He creates a lump of seven stones, which still have only one liberty left. Thus Black has put his own stones into atari: next, White will capture them all at a. Example 2
DougRidgway -- In the example above, the black stones were already in atari, so the mistake doesn't change much. Here's an example from one of my games where the consequences should have been more serious. Black played at the marked point. I was White, too bad I didn't spot the atari. Dieter: the following discussion should probably be on another page. Not sure.
unkx80: But I thought
Here's another one. White has lots of good responses to Black 1 (consider a, for instance, or perhaps tenuki). What is the pessimal choice?
This was where I played.
Is this sequence correct?[1]
Seki? If White plays a, black tenuki's. White can't take the ko or he makes bulky five. Nor can white play at the circled points, or it's (see title of page!) an auto-atari! Hence, white tenuki's too. Is my analysis correct?- Jasonred Black lived anyway. take these for examples:
The stone in the corner[2] is key. Ko can really hurt sometimes
Another proof Can anyone find a way he could have lived? nice little life/death problem here. - Hyppy
[1] This sequence gives the best chance for white to live I think. You just have to win the ko. Black's 3 is necessary for him to be able to catch the white stones or he's in for another ko in the same spot. [2] Not really. That's just the upper edge of the diagram there, not the edge of the board. Charles Matthews Path: Mistake · Prev: BeginnersPlayAtari · Next: AutomaticPlay This is a copy of the living page "Auto-atari" at Sensei's Library. ![]() |