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Offline Phelan
 Post subject: Tsumego from a game
Post #1 Posted: Sun Feb 13, 2011 4:06 pm 
Gosei
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Click Here To Show Diagram Code
[go]$$ Position at move 102: Status of top White group
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . W . . . . . . . . . |
$$ | . . . . . X . W W X W W . X . . . . . |
$$ | . . . O . . . . X , X . . . . X . . . |
$$ | . . . . . X . . . X . . . . . . X . . |
$$ | . . . O . . . . . . . . . . X O O X . |
$$ | . . . . . X . . . . . . O . O O X X . |
$$ | . . . O . . . . . . . . O X X X O O X |
$$ | . . O . X . . . . . . X X O X O O O . |
$$ | . . O X . . . . . , X X O O X X X O . |
$$ | . O X X . . . . . . X O . . O X O . . |
$$ | . . O . . . . . . . . X O . O X O O . |
$$ | . . O X . . . . . . . X . O . O O . X |
$$ | . . O X . . . . . . . . . . O . . . . |
$$ | . . O X . . . . . . . . . . X X X X . |
$$ | . . . O X . . . . , . . X X X O O O . |
$$ | . . . O . X . . . . . . X O O . . . . |
$$ | . . . . . . . . . . . X O O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
I wasn't sure I could kill it, so I didn't try really hard. I looked at it after the game, and thought others might want to try. No solution from my side.
Game is attached.


Attachments:
Phelan.sgf [4.52 KiB]
Downloaded 454 times

_________________
a1h1 [1d]: You just need to curse the gods and defend.
Good Go = Shape.
Associação Portuguesa de Go


Last edited by Phelan on Sun Feb 13, 2011 4:21 pm, edited 1 time in total.
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Offline mw42
 Post subject: Re: Tsumego from a game
Post #2 Posted: Sun Feb 13, 2011 4:09 pm 
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Universal go server handle: mw42
Click Here To Show Diagram Code
[go]$$
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . O . . . . . . . . . |
$$ | . . . . . X . O O X O O . X . . . . . |
$$ | . . . O . . . . X , X . . . . X . . . |
$$ | . . . . . X . . . X . . . . . . X . . |
$$ | . . . O . . . . . . . . . . X O O X . |
$$ | . . . . . X . . . . . . O Q O O X X . |
$$ | . . . O . . . . . . . . O X X X O O X |
$$ | . . O . X . . . . . . X X O X O O O . |
$$ | . . O X . . . . . , X X O O X X X O . |
$$ | . O X X . . . . . . X O . . O X O . . |
$$ | . . O . . . . . . . . X O . O X O O . |
$$ | . . O X . . . . . . . X . O . O O . X |
$$ | . . O X . . . . . . . . . . O . . . . |
$$ | . . O X . . . . . . . . . . X X X X . |
$$ | . . . O X . . . . , . . X X X O O O . |
$$ | . . . O . X . . . . . . X O O . . . . |
$$ | . . . . . . . . . . . X O O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


What do I win?!

Here are three quick things I saw immediately. I didn't think too long on it, though, so maybe someone can expand on it.[sgf-full](;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.00]GN[]DT[2011-02-13]PC[http://lifein19x19.com/]AW[jb][hc][ic][kc][lc][dd][df][pf][qf][mg][og][pg][dh][mh][qh][rh]
[ci][ni][pi][qi][ri][cj][mj][nj][rj][bk][lk][ok][qk][cl][ml][ol]
[ql][rl][cm][nm][pm][qm][cn][on][co][dp][pp][qp][rp][dq][nq][oq]
[mr][nr]AB[fc][jc][nc][id][kd][pd][fe][je][qe][of][rf][fg][qg][rg][nh][oh]
[ph][sh][ei][li][mi][oi][dj][kj][lj][oj][pj][qj][ck][dk][kk][pk]
[ll][pl][dm][lm][sm][dn][do][oo][po][qo][ro][ep][mp][np][op][fq]
[mq][lr]C[Diagram from http://lifein19x19.com/

]PL[B]
(;)
(;B[kb];W[lb];B[ib];W[ka];B[hb];W[nb];B[ob]
;W[mb]C[Alive.])
(;B[gb];W[hb];B[mb]
(;W[lb];B[ia];W[ha];B[ka];W[la];B[ja]
;W[jd]C[Ko for seki.])
(;W[ia];B[lb];W[kb]
;B[ka]C[Dead.])))[/sgf-full]


Last edited by mw42 on Sun Feb 13, 2011 4:27 pm, edited 1 time in total.
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Offline Phelan
 Post subject: Re: Tsumego from a game
Post #3 Posted: Sun Feb 13, 2011 4:24 pm 
Gosei
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A fantastic set of 9 black stones, in a double Tee formation! :P

Actually, I meant the White group at the very top. I've made it clearer now.

_________________
a1h1 [1d]: You just need to curse the gods and defend.
Good Go = Shape.
Associação Portuguesa de Go
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Offline mw42
 Post subject: Re: Tsumego from a game
Post #4 Posted: Sun Feb 13, 2011 4:26 pm 
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Phelan wrote:
A fantastic set of 9 black stones, in a double Tee formation! :P

Actually, I meant the White group at the very top. I've made it clearer now.


I know. I was just being silly. :lol: Anyway, I posted something relevant in an edit of my post.
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Offline topazg
 Post subject: Re: Tsumego from a game
Post #5 Posted: Mon Feb 21, 2011 9:29 am 
Tengen
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In response to mw42's suggestion:

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


Click Here To Show Diagram Code
[go]$$
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . 1 . . O . . 3 2 5 . . . . |
$$ | . . . . . X . O O X O O 4 X 7 . . . . |
$$ | . . . O . . . . X , X . . 6 . X . . . |
$$ | . . . . . X . . . X . . 8 . . . X . . |
$$ | . . . O . . . . . . . . . . X O O X . |
$$ | . . . . . X . . . . . . O . O O X X . |
$$ | . . . O . . . . . . . . O X X X O O X |
$$ | . . O . X . . . . . . X X O X O O O . |
$$ | . . O X . . . . . , X X O O X X X O . |
$$ | . O X X . . . . . . X O . . O X O . . |
$$ | . . O . . . . . . . . X O . O X O O . |
$$ | . . O X . . . . . . . X . O . O O . X |
$$ | . . O X . . . . . . . . . . O . . . . |
$$ | . . O X . . . . . . . . . . X X X X . |
$$ | . . . O X . . . . , . . X X X O O O . |
$$ | . . . O . X . . . . . . X O O . . . . |
$$ | . . . . . . . . . . . X O O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


White's alive, no?

EDIT: Actually, it seems the top one is dead - there's lots of local aji though. Maybe better is:



Click Here To Show Diagram Code
[go]$$
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . 7 . . . . . |
$$ | . . . . . . 1 8 . O . 6 . 2 3 . . . . |
$$ | . . . . . X . O O X O O 4 X . . . . . |
$$ | . . . O . . . . X , X . . 5 . X . . . |
$$ | . . . . . X . . . X . . . . . . X . . |
$$ | . . . O . . . . . . . . . . X O O X . |
$$ | . . . . . X . . . . . . O . O O X X . |
$$ | . . . O . . . . . . . . O X X X O O X |
$$ | . . O . X . . . . . . X X O X O O O . |
$$ | . . O X . . . . . , X X O O X X X O . |
$$ | . O X X . . . . . . X O . . O X O . . |
$$ | . . O . . . . . . . . X O . O X O O . |
$$ | . . O X . . . . . . . X . O . O O . X |
$$ | . . O X . . . . . . . . . . O . . . . |
$$ | . . O X . . . . . . . . . . X X X X . |
$$ | . . . O X . . . . , . . X X X O O O . |
$$ | . . . O . X . . . . . . X O O . . . . |
$$ | . . . . . . . . . . . X O O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
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Offline mw42
 Post subject: Re: Tsumego from a game
Post #6 Posted: Mon Feb 21, 2011 9:34 am 
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Indeed. I was trying to keep it as local as possible, imagining black to be thick all around. Even though I did use that attachment in one of my variations. :scratch:
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Offline Phelan
 Post subject: Re: Tsumego from a game
Post #7 Posted: Mon Feb 21, 2011 3:41 pm 
Gosei
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Interesting variations, thanks!

_________________
a1h1 [1d]: You just need to curse the gods and defend.
Good Go = Shape.
Associação Portuguesa de Go
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