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Auto-atari
Path: Mistake · Prev: BeginnersPlayAtari · Next: AutomaticPlay
Difficulty: Introductory Keywords: Go term
Adding a stone to one's stone or stones that are not in atari, to put them into atari. Also called self-atari.
Example 0
How can White make best use of the marked stones
Move
Question: So would
Answer: Only
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 the stones from being captured ...
Black creates a lump of seven stones, which still have only one liberty left. Thus Black has put
Example 2
Doug Ridgway: 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. coyotebd?: A much better play for Black, naturally would be at a, making two eyes. Andre Engels: Actually, black has already two eyes, whatever he does (except for playing the move black actually played...) White cannot play at a because it would be suicide, and no other move stops black from playing there and making two eyes. Robert Pauli: White cannot form a killing shape at a because this would be suicide, which either is forbidden or includes self-capture. 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 worst choice?
This was where I played. -- Doug Ridgway I removed discussion resulting from the lack of an extra line on the top of the diagrams. It was very confusing. -- protognsis Dieter: and where are you going to put it ? Andrew Grant: The above discussion assumes that auto-atari is a bad move, which is of course almost always true; but once in a while it turns out to be the best move. I've given an example below.
Black's only way to kill White is to play auto-atari at a. If you don't see this, look up RabbittySix. If Black starts by filling an outside liberty, such as b, white answers at a and Black can no longer kill. [1]
Bill: This is in the never happen department, but if Black is komaster this is a 1/3 point sente for Black. White can pick up one point in three net plays in reverse sente by making ko with TDerz: Let's take Eternal life as example:
This is the situation to begin with.
The throw-in
White makes a throw in at
Proto- The term "Auto-atari" seems like a Greekification of the Japanese term "atari". Is there a true Japanese term to describe these situations? Charles Oopsu. Path: Mistake · Prev: BeginnersPlayAtari · Next: AutomaticPlay This is a copy of the living page "Auto-atari" at Sensei's Library. ![]() |