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Daily Tsumego #2 (14k-3k)
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Author:  hailthorn011 [ Mon Aug 22, 2011 6:32 am ]
Post subject:  Daily Tsumego #2 (14k-3k)

Click Here To Show Diagram Code
[go]$$c This is a label for the diagram.
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X . Q Q Q X O . |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . . . O O . X Q X X O X |
$$ | . . . . . . . . . . . . . . X X . X . |
$$ ---------------------------------------[/go]


Black to capture marked stones.

Author:  daniel_the_smith [ Mon Aug 22, 2011 8:00 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

At first I was like, hey, you don't have to find the liberty gaining move at K2 to solve it. Then I was like, ah, yes you do...

I think it's harder to find white's strongest resistance than it is to find the right move for black...

Author:  Chew Terr [ Mon Aug 22, 2011 8:55 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

daniel_the_smith wrote:
At first I was like, hey, you don't have to find the liberty gaining move at K2 to solve it. Then I was like, ah, yes you do...


This is the best I see for both sides.
Click Here To Show Diagram Code
[go]$$c My attempt
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X 4 Q Q Q X O 7 |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . 6 5 O O 1 X Q X X O X |
$$ | . . . . . . . . . . . . 3 2 X X . X . |
$$ ---------------------------------------[/go]

Author:  hailthorn011 [ Mon Aug 22, 2011 9:44 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

Chew Terr wrote:
daniel_the_smith wrote:
At first I was like, hey, you don't have to find the liberty gaining move at K2 to solve it. Then I was like, ah, yes you do...


This is the best I see for both sides.
Click Here To Show Diagram Code
[go]$$c My attempt
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X 4 Q Q Q X O 7 |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . 6 5 O O 1 X Q X X O X |
$$ | . . . . . . . . . . . . 3 2 X X . X . |
$$ ---------------------------------------[/go]


I've looked at this, but I can't see how B captures those stones. It's a tough problem, obviously, but SmartGo seems to have a lot of awkward life and death problems. It says you can capture those stones, but if you play it out further than SmartGo allows, B clearly dies. But then again, this is a 3k problem so maybe it's just beyond me. But, I couldn't figure it out.


But, you solved it right according to SmartGo, by the way, so you've earned 6 Club Points!

Author:  emeraldemon [ Mon Aug 22, 2011 9:47 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

@Hailthorn:

Could you show where you're getting stuck? Chew's sequence looks right to me...

Author:  hailthorn011 [ Mon Aug 22, 2011 9:52 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

emeraldemon wrote:
@Hailthorn:

Could you show where you're getting stuck? Chew's sequence looks right to me...


It was right. That's the answer SmartGo displays. But I don't understand how it captures. It seems like B dies in that situation. Keep in mind, I'm only a 9k, so I'm probably missing something. :scratch:

Author:  emeraldemon [ Mon Aug 22, 2011 9:55 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

Why do you say "It seems like B dies"?

Click Here To Show Diagram Code
[go]$$c Continuation
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X O Q Q Q X O 1 |
$$ | . . . . . . . X O O X X O X Q X O O 3 |
$$ | . . . . . . . . O X O O X X Q X X O X |
$$ | . . . . . . . . . 2 . 4 X 5 X X . X . |
$$ ---------------------------------------[/go]

Author:  daniel_the_smith [ Mon Aug 22, 2011 9:59 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

Chew Terr wrote:
This is the best I see for both sides.
Click Here To Show Diagram Code
[go]$$c My attempt
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X 4 Q Q Q X O 7 |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . 6 5 O O 1 X Q X X O X |
$$ | . . . . . . . . . . . . 3 2 X X . X . |
$$ ---------------------------------------[/go]


Yeah, that's the sequence I had in mind. Although, 7 doesn't need to play a snapback. Not that it matters.

For hailthorn:

Click Here To Show Diagram Code
[go]$$c White can't play at 'a' (self-atari)
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X 4 Q Q Q X O 7 |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . 6 5 O O 1 X Q X X O X |
$$ | . . . . . . . . . . . a 3 2 X X . X . |
$$ ---------------------------------------[/go]


Therefore, black's stones will all live after he captures the four white stones on the right, and white's stones will not be able to get eyes, therefore they are just dead.

Does that help?

Author:  hailthorn011 [ Mon Aug 22, 2011 10:05 am ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

Now I understand! Thanks. Sorry, I guess I wasn't seeing the whole board clearly, and was only focusing on that one little area. I hadn't even considered the right side. Thanks for clearing it up! :salute:

Author:  Oroth [ Mon Aug 22, 2011 3:07 pm ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

Click Here To Show Diagram Code
[go]$$c Ko?
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X 2 Q Q Q X O . |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . . . O O 1 X Q X X O X |
$$ | . . . . . . . . . . 6 5 4 3 X X . X . |
$$ ---------------------------------------[/go]

Author:  Tryss [ Mon Aug 22, 2011 3:14 pm ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

@Oroth :
Click Here To Show Diagram Code
[go]$$c Not ko
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X O Q Q Q X O 7 |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . . . O O X X Q X X O X |
$$ | . . . . . . . . . . O X . X X X . X . |
$$ ---------------------------------------[/go]

Author:  Redundant [ Mon Aug 22, 2011 3:24 pm ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

@Oroth

Click Here To Show Diagram Code
[go]$$c This is a label for the diagram.
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X X . . . . . X . |
$$ | . . . . . . . . . . . . X X X X . X . |
$$ | . . . . . . . . . . . . . . Q Q X X . |
$$ | . . . . . . . O O O X X . . Q X X X O |
$$ | . . . , . . . O X X . X 4 Q Q Q X O . |
$$ | . . . . . . . X O O X X O X Q X O O . |
$$ | . . . . . . . . . . O O 1 X Q X X O X |
$$ | . . . . . . . . . . . . 3 2 X X . X . |
$$ ---------------------------------------[/go]

Author:  Oroth [ Mon Aug 22, 2011 4:25 pm ]
Post subject:  Re: Daily Tsumego #2 (14k-3k)

Thanks, missed that :oops:

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