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Offline Yuc4h
 Post subject: A Thread for particularly nice tsumegos
Post #1 Posted: Mon Sep 17, 2012 10:47 am 
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Since solving life and death is one of the primary ways of improving your game, I would like to have a thread of inspirational tsumegos. Those that left you with a particularly satisfied feeling when you finally managed to solve it. I will start by posting the tsumego that inspired me to start this thread.

Image
Edit: Yeah, black to live unconditionally.


Last edited by Yuc4h on Mon Sep 17, 2012 3:02 pm, edited 1 time in total.
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Offline rlaalswo
 Post subject: Re: A Thread for particularly nice tsumegos
Post #2 Posted: Mon Sep 17, 2012 12:34 pm 
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Attachment:
6_lli12.jpeg
6_lli12.jpeg [ 78.23 KiB | Viewed 8240 times ]

This problem is from Kweon O-min 5p's creative tsumego book 神技妙手(Shin gi myo su).
Took me a full week to solve.
edit : sorry guys it's black to play first and kill white


Last edited by rlaalswo on Mon Sep 17, 2012 12:56 pm, edited 1 time in total.
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Offline Lamp
 Post subject: Re: A Thread for particularly nice tsumegos
Post #3 Posted: Mon Sep 17, 2012 12:40 pm 
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I dont see in either of these yet whether its white to play or black to play. It doesnt always make a difference, as often the killing point for one is the living point for the other, but thats not always the case.
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Offline jts
 Post subject: Re: A Thread for particularly nice tsumegos
Post #4 Posted: Mon Sep 17, 2012 12:50 pm 
Oza
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Lamp wrote:
I dont see in either of these yet whether its white to play or black to play. It doesnt always make a difference, as often the killing point for one is the living point for the other, but thats not always the case.

Try solving for both! :)
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Offline rlaalswo
 Post subject: Re: A Thread for particularly nice tsumegos
Post #5 Posted: Mon Sep 17, 2012 12:57 pm 
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Lamp wrote:
I dont see in either of these yet whether its white to play or black to play. It doesnt always make a difference, as often the killing point for one is the living point for the other, but thats not always the case.

I edited my post, its black to play first and kill white
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Offline Yuc4h
 Post subject: Re: A Thread for particularly nice tsumegos
Post #6 Posted: Mon Sep 17, 2012 3:08 pm 
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In my problem, it is not particularly challenging to read how white would kill black. If it was white to play, more or less every move by white will kill black instantly :)

I was just thinking what would be the most retarded way for white to kill black. In this case white can kill black by playing C5 :D
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Offline gogameguru
 Post subject: Re: A Thread for particularly nice tsumegos
Post #7 Posted: Mon Sep 17, 2012 4:12 pm 
Lives in gote
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This is one of my favourites. I feel happy just imagining these moves being played out. It's artistry.

Image

Solutions

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Offline rlaalswo
 Post subject: Re: A Thread for particularly nice tsumegos
Post #8 Posted: Tue Sep 18, 2012 1:12 am 
Dies with sente

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should I or should I not attach solutions?


Last edited by rlaalswo on Tue Sep 18, 2012 2:36 am, edited 2 times in total.
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Offline HermanHiddema
 Post subject: Re: A Thread for particularly nice tsumegos
Post #9 Posted: Tue Sep 18, 2012 1:46 am 
Gosei
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Yuc4h wrote:
Since solving life and death is one of the primary ways of improving your game, I would like to have a thread of inspirational tsumegos. Those that left you with a particularly satisfied feeling when you finally managed to solve it. I will start by posting the tsumego that inspired me to start this thread.

Image
Edit: Yeah, black to live unconditionally.


Click Here To Show Diagram Code
[go]$$B
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . 4 O . . .
$$ | . . . O O 3 X O . ,
$$ | . . . O X . X O . 2
$$ | . . 6 5 X . 1 X O .
$$ | . . . O . . . . . .
$$ +--------------------[/go]


:w2: is necessary to prevent black from escaping to the right.


Click Here To Show Diagram Code
[go]$$Bm7
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . 4 . . O O . . .
$$ | . 6 3 O O X X O . ,
$$ | . 2 1 O X . X O . O
$$ | . 5 O X X . X X O .
$$ | . 7 . O . . . . . .
$$ +--------------------[/go]


:b13: is the key move

Click Here To Show Diagram Code
[go]$$Wm14
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . O . . O O . . .
$$ | . O . O O X X O . ,
$$ | . O . O X . X O . O
$$ | 1 X O X X 4 X X O .
$$ | . X . O 5 3 6 2 . .
$$ +--------------------[/go]


White cannot connect, black makes an eye.

Click Here To Show Diagram Code
[go]$$Wm14
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . O . . O O . . .
$$ | . O . O O X X O . ,
$$ | . O 3 O X . X O . O
$$ | 4 X O X X . X X O .
$$ | . X 2 O . . . 1 . .
$$ +--------------------[/go]


Black makes an eye in the corner

Click Here To Show Diagram Code
[go]$$Wm14
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . O . . O O . . .
$$ | . O . O O X X O . ,
$$ | . O 3 O X . X O . O
$$ | . X O X X . X X O .
$$ | . X 1 O 2 . . 4 . .
$$ +--------------------[/go]


Living eyeshape.
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Offline HermanHiddema
 Post subject: Re: A Thread for particularly nice tsumegos
Post #10 Posted: Tue Sep 18, 2012 2:13 am 
Gosei
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Here's on I like:

Click Here To Show Diagram Code
[go]$$B Black to play and kill unconditionally
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . O . O O O |
$$ , . O . . . O X X X |
$$ . X X O O O X X O . |
$$ . . . X X O X O O . |
$$ . . . . . X . . . . |
$$ --------------------+[/go]

This post by HermanHiddema was liked by: Bill Spight
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Offline p2501
 Post subject: Re: A Thread for particularly nice tsumegos
Post #11 Posted: Tue Sep 18, 2012 2:32 am 
Lives in gote

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Universal go server handle: p2501
HermanHiddema wrote:
Here's on I like:

Click Here To Show Diagram Code
[go]$$B Black to play and kill unconditionally
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . O . O O O |
$$ , . O . . . O X X X |
$$ . X X O O O X X O 5 |
$$ . . . X X O X O O . |
$$ . . . . . X 1 2 3 4 |
$$ --------------------+[/go]

Like this?
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Offline HermanHiddema
 Post subject: Re: A Thread for particularly nice tsumegos
Post #12 Posted: Tue Sep 18, 2012 4:55 am 
Gosei
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p2501 wrote:
HermanHiddema wrote:
Here's on I like:

Click Here To Show Diagram Code
[go]$$B Black to play and kill unconditionally
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . O . O O O |
$$ , . O . . . O X X X |
$$ . X X O O O X X O 5 |
$$ . . . X X O X O O . |
$$ . . . . . X 1 2 3 4 |
$$ --------------------+[/go]

Like this?


Yes. :b3: is the key move. Many people find it counter-intuitive and have trouble finding it. I've seen strong dan players take way too long on such a small problem :)
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Offline Uberdude
 Post subject: Re: A Thread for particularly nice tsumegos
Post #13 Posted: Tue Sep 18, 2012 4:59 am 
Judan

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That tesuji on move 49 would have won this game, which also featured a fun triple ko at the end.

http://www.online-go.com/games/board.php?boardID=359405
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Offline Bill Spight
 Post subject: Re: A Thread for particularly nice tsumegos
Post #14 Posted: Tue Sep 18, 2012 5:07 am 
Honinbo

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Click Here To Show Diagram Code
[go]$$B Black to play and kill unconditionally
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . O . O O O |
$$ , . O . . . O X X X |
$$ . X X O O O X X O . |
$$ . . . X X O X O O . |
$$ . . . . . X . . . . |
$$ --------------------+[/go]


Like this?

Click Here To Show Diagram Code
[go]$$B Black to play and kill unconditionally
$$ . . . . . . . . . . |
$$ . . . . . . . . . . |
$$ . . . . . O . O O O |
$$ , . O . . . O X X X |
$$ . X X O O O X X O . |
$$ . . . X X O X O O 1 |
$$ . . . . . X 3 2 . 4 |
$$ --------------------+[/go]


Oops! :mrgreen:

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Offline gowan
 Post subject: Re: A Thread for particularly nice tsumegos
Post #15 Posted: Tue Sep 18, 2012 6:29 am 
Gosei

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Click Here To Show Diagram Code
[go]$$B 19x19 diagram White to Play and Kill
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . . . . . O O O . . . . . . . . . . . |
$$ | . . . O O X X X . O . . . . . . . . . |
$$ | . . . O X . . . X O . . . . . , . . . |
$$ | . O . O X . X O X O . . . . . . . . . |
$$ | . . X O X O . O X O . . . . . . . . . |
$$ | . . . X . . . . X O . . . . . . . . . |
$$ ---------------------------------------[/go]

This is from Nakayama's Treasure Chest Enigma. He says that no pro he showed it to could solve it, but it's not difficult for kyu players.

This post by gowan was liked by: Bill Spight
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Offline Gerlige
 Post subject: Re: A Thread for particularly nice tsumegos
Post #16 Posted: Tue Sep 18, 2012 12:25 pm 
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One strong friend of mine showed me this one in local pub. I wasn't able to solve it that time.

Click Here To Show Diagram Code
[go]$$ Black to kill!
$$ | . . . . . . . . .
$$ | X X X X X . . . .
$$ | . . . O O X X X .
$$ | O X O . X O O X .
$$ | . . . . O . . . .
$$ -------------------[/go]
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Offline Uberdude
 Post subject: Re: A Thread for particularly nice tsumegos
Post #17 Posted: Tue Sep 18, 2012 3:35 pm 
Judan

Posts: 6725
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Rank: UK 4 dan
KGS: Uberdude 4d
OGS: Uberdude 7d
Special Offer! 2 tsumegos for the price of one! After 25 moves this one ends up as a favourite tsumego I had seen earlier, but who doesn't like a Wagnerian prelude? ;-)

Click Here To Show Diagram Code
[go]$$ White to play and live
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . X . X |
$$ | . . . . . . . . . . . X . O X X O X . |
$$ | . . . . . . . . . X . X O O . O O X . |
$$ | . . . , . . . . . , X O . . O O X . . |
$$ | . . . . . . . . . . . X O . O X X . . |
$$ | . . . . . . . . . . . X . O . X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | . . . . . . . . . . . . X O . O X . . |
$$ | . . . , . . . . . , . . . X . O X . . |
$$ | . . . . . . . . . . . . X O O O . X . |
$$ | . . . . . . . . . . . . X . O . O . . |
$$ | . . . . . . . . . . . . . . O O X . . |
$$ | . . . . . . . . . . . . . X . O X . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . , . . . . . , . . . X X O . X X |
$$ | . . . . . . . . . . . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . . X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
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Offline Yuc4h
 Post subject: Re: A Thread for particularly nice tsumegos
Post #18 Posted: Wed Sep 19, 2012 1:27 am 
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HermanHiddema, you got the right answers for the one I posted. Many great tsumego already in this thread. Nice!
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Offline Lamp
 Post subject: Re: A Thread for particularly nice tsumegos
Post #19 Posted: Wed Sep 19, 2012 1:42 am 
Dies with sente

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HermanHiddema wrote:
Click Here To Show Diagram Code
[go]$$Bm7
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . 4 . . O O . . .
$$ | . 6 3 O O X X O . ,
$$ | . 2 1 O X . X O . O
$$ | . 5 O X X . X X O .
$$ | . 7 . O . . . . . .
$$ +--------------------[/go]




What if, instead:
Click Here To Show Diagram Code
[go]$$Bm7
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . O O . . .
$$ | . . 2 O O X X O . ,
$$ | . 3 1 O X . X O . O
$$ | . 4 O X X . X X O .
$$ | . . . O . . . . . .
$$ +--------------------[/go]
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Offline tchan001
 Post subject: Re: A Thread for particularly nice tsumegos
Post #20 Posted: Wed Sep 19, 2012 2:29 am 
Gosei
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Click Here To Show Diagram Code
[go]$$W White to play and live unconditionally
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . X O . . . X . . . |
$$ | . . . . . . . . . X . O X X X O X . . |
$$ | . . . , . . . . . X . O O O O O X . . |
$$ | . . . . . . . . . . X . . X O X . . . |
$$ | . . . . . . . . . . . . O O . X . . . |
$$ | . . . . . . . . . . . X X O X O . . . |
$$ | . . . . . . . . . . . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]

From a rare book by Sato Sunao

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