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 Post subject: One of my favorite Go problems - Save both of black's groups
Post #1 Posted: Thu Mar 07, 2013 2:24 am 
Lives in gote
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I just posted one of my favorite Go problems (from the Xuanxuan Qijing) on Go Game Guru.

Usually I don't post these here (there would be too many) but, because this is such a fantastic problem, I thought I'd make an exception in this case :)

More info, some warm up problems and detailed solutions can be found here: http://gogameguru.com/weekly-go-problems-week-80/

Enjoy!

Click Here To Show Diagram Code
[go]$$c Black to play and save both groups.
$$ +---------------------------------------+
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | . O X X . X X O . . . . . . . . . . . |
$$ | . . O X . X O . O . . . . . . . . . . |
$$ | . . O O X X O . . . . . . . . . . . . |
$$ | . O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | . O O X O O O . . . . . . . . . . . . |
$$ | . . . O X X . . . . . . . . . . . . . |
$$ | . . O . O X . . . . . . . . . . . . . |
$$ | . . X . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . X . . . O X O . |
$$ | . . . . . . . . . . . . X O O . O . . |
$$ | . . . . . . . . O . O . O X X X X O O |
$$ | . . . . . . . . . . . . O . . . X X X |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]

_________________
David

Go Game Guru: Learn Go | How to Get Better at Go | Go Game Shop | Go Boards | Baduk TV


This post by gogameguru was liked by: Akura
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 Post subject: Re: One of my favorite Go problems - Save both of black's gr
Post #2 Posted: Thu Mar 07, 2013 3:42 am 
Lives in gote

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Click Here To Show Diagram Code
[go]$$Bcm1 Solution 1
$$ +---------------------------------------+
$$ | . O 3 . . . . . . . . . . . . . . . . |
$$ | . O X X . X X O . . . . . . . . . . . |
$$ | 2 1 O X . X O . O . . . . . . . . . . |
$$ | . . O O X X O . . . . . . . . . . . . |
$$ | . O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | . O O X O O O . . . . . . . . . . . . |
$$ | . . . O X X . . . . . . . . . . . . . |
$$ | . . O . O X . . . . . . . . . . . . . |
$$ | . . X . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . X . . . O X O . |
$$ | . . . . . . . . . . . . X O O . O . . |
$$ | . . . . . . . . O . O 9 O X X X X O O |
$$ | . . . . . . . . . . . 0 O 5 8 . X X X |
$$ | . . . . . . . . . . . . . 6 7 4 . . . |
$$ +---------------------------------------+[/go]


Click Here To Show Diagram Code
[go]$$Bcm11 Cont. 1, :w14: @ :b11:
$$ +---------------------------------------+
$$ | . O X . . . . . . . . . . . . . . . . |
$$ | . O X X . X X O . . . . . . . . . . . |
$$ | O X O X . X O . O . . . . . . . . . . |
$$ | . . O O X X O . . . . . . . . . . . . |
$$ | . O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | . O O X O O O . . . . . . . . . . . . |
$$ | . . . O X X . . . . . . . . . . . . . |
$$ | . . O . O X . . . . . . . . . . . . . |
$$ | . . X . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O 8 . . |
$$ | . . . . . . . . . . . X . 0 9 O X O . |
$$ | . . . . . . . . . . . . X O O 7 O . . |
$$ | . . . . . . . . O . O X O X X X X O O |
$$ | . . . . . . . . . . . O O X O 5 X X X |
$$ | . . . . . . . . . . . 2 1 O 6 O 3 . . |
$$ +---------------------------------------+[/go]



Click Here To Show Diagram Code
[go]$$Bcm21 Cont. 2, :w24: @ :bt:, :w28: @ :bt:
$$ +---------------------------------------+
$$ | . O X . . . . . . . . . . . . . . . . |
$$ | . O X X . X X O . . . . . . . . . . . |
$$ | O X O X . X O . O . . . . . . . . . . |
$$ | . . O O X X O . . . . . . . . . . . . |
$$ | . O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | . O O X O O O . . . . . . . . . . . . |
$$ | . . . O X X . . . . . . . . . . . . . |
$$ | . . O . O X . . . . . . . . . . . . . |
$$ | . . X . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . 1 2 O O . . |
$$ | . . . . . . . . . . . X 3 O Y O . O . |
$$ | . . . . . . . . . . 0 6 X O O X O . . |
$$ | . . . . . . . . O 9 O Y O X X X X O O |
$$ | . . . . . . . . . . 5 O O X O X X X X |
$$ | . . . . . . . . . . 7 O O O O O X . . |
$$ +---------------------------------------+[/go]


Click Here To Show Diagram Code
[go]$$Bcm31 Cont. 3
$$ +---------------------------------------+
$$ | . O X . . . . . . . . . . . . . . . . |
$$ | . O X X . X X O . . . . . . . . . . . |
$$ | O X O X . X O . O . . . . . . . . . . |
$$ | . . O O X X O . . . . . . . . . . . . |
$$ | . O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | . O O X O O O . . . . . . . . . . . . |
$$ | . . . O X X . . . . . . . . . . . . . |
$$ | . . O . O X . . . . . . . . . . . . . |
$$ | . . X . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . 0 7 . . . . . . . . . |
$$ | . . . . . . . 9 8 6 3 . . X O O O . . |
$$ | . . . . . . . . 5 4 2 X X O O O . O . |
$$ | . . . . . . . . . 1 O O X O O X O . . |
$$ | . . . . . . . . O X O O O X X X X O O |
$$ | . . . . . . . . . . X O O X O X X X X |
$$ | . . . . . . . . . . X O O O O O X . . |
$$ +---------------------------------------+[/go]


Click Here To Show Diagram Code
[go]$$Bcm41 Cont. 4
$$ +---------------------------------------+
$$ | . O X . . . . . . . . . . . . . . . . |
$$ | . O X X . X X O . . . . . . . . . . . |
$$ | O X O X . X O . O . . . . . . . . . . |
$$ | . . O O X X O . . . . . . . . . . . . |
$$ | . O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | . O O X O O O . . . . . . . . . . . . |
$$ | . . . O X X . . . . . . . . . . . . . |
$$ | . . O . O X . . . . . . . . . . . . . |
$$ | . . X . O . 9 . . . . . . . . . . . . |
$$ | . . . . . 0 8 5 . . . . . . . . . . . |
$$ | . . . . . 7 6 4 1 . . . . . . . . . . |
$$ | . . . . . . 3 2 O X . . . . . . . . . |
$$ | . . . . . . . X O O X . . X O O O . . |
$$ | . . . . . . . . X O O X X O O O . O . |
$$ | . . . . . . . . . X O O X O O X O . . |
$$ | . . . . . . . . O X O O O X X X X O O |
$$ | . . . . . . . . . . X O O X O X X X X |
$$ | . . . . . . . . . . X O O O O O X . . |
$$ +---------------------------------------+[/go]


Click Here To Show Diagram Code
[go]$$Bcm51 Cont. 5
$$ +---------------------------------------+
$$ | . O X . . . . . . . . . . . . . . . . |
$$ | . O X X . X X O . . . . . . . . . . . |
$$ | O X O X . X O . O . . . . . . . . . . |
$$ | 0 . O O X X O . . . . . . . . . . . . |
$$ | 9 O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | 8 O O X O O O . . . . . . . . . . . . |
$$ | . 7 6 O X X . . . . . . . . . . . . . |
$$ | . 5 O 4 O X . . . . . . . . . . . . . |
$$ | . . X 3 O 2 X . . . . . . . . . . . . |
$$ | . . . . 1 O O X . . . . . . . . . . . |
$$ | . . . . . X O O X . . . . . . . . . . |
$$ | . . . . . . X O O X . . . . . . . . . |
$$ | . . . . . . . X O O X . . X O O O . . |
$$ | . . . . . . . . X O O X X O O O . O . |
$$ | . . . . . . . . . X O O X O O X O . . |
$$ | . . . . . . . . O X O O O X X X X O O |
$$ | . . . . . . . . . . X O O X O X X X X |
$$ | . . . . . . . . . . X O O O O O X . . |
$$ +---------------------------------------+[/go]


Click Here To Show Diagram Code
[go]$$Bcm61 Cont. 6
$$ +---------------------------------------+
$$ | . O X . . . . . . . . . . . . . . . . |
$$ | 3 O X X . X X O . . . . . . . . . . . |
$$ | O X O X . X O . O . . . . . . . . . . |
$$ | O . O O X X O . . . . . . . . . . . . |
$$ | 2 O O X X O O . . . . . . . . . . . . |
$$ | O X X X . . . . . . . . . . . . . . . |
$$ | O O O X O O O . . . . . . . . . . . . |
$$ | 1 X O O X X . . . . . . . . . . . . . |
$$ | . X O O O X . . . . . . . . . . . . . |
$$ | . . X X O O X . . . . . . . . . . . . |
$$ | . . . . X O O X . . . . . . . . . . . |
$$ | . . . . . X O O X . . . . . . . . . . |
$$ | . . . . . . X O O X . . . . . . . . . |
$$ | . . . . . . . X O O X . . X O O O . . |
$$ | . . . . . . . . X O O X X O O O . O . |
$$ | . . . . . . . . . X O O X O O X O . . |
$$ | . . . . . . . . O X O O O X X X X O O |
$$ | . . . . . . . . . . X O O X O X X X X |
$$ | . . . . . . . . . . X O O O O O X . . |
$$ +---------------------------------------+[/go]

Thank-you for sharing David, I also enjoy the famed go classic.

Yellow Mountain Imports only recently began carrying the book for 20USD: http://www.ymimports.com/p-2112-gateway ... Tht6ldwvyM (They also seem to have stopped carrying the poor version of the Guanzi Pu (ISBN: 978-7-5464-0216-1).)


This post by logan was liked by 3 people: gogameguru, Phoenix, SoDesuNe
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 Post subject: Re: One of my favorite Go problems - Save both of black's gr
Post #3 Posted: Thu Mar 07, 2013 3:48 am 
Lives in gote
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I haven't purchased or read it (yet), but I've heard good things about John Fairbairn's Kindle version too:

http://www.amazon.com/Gateway-To-All-Ma ... B0085MJ6F0

_________________
David

Go Game Guru: Learn Go | How to Get Better at Go | Go Game Shop | Go Boards | Baduk TV

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 Post subject: Re: One of my favorite Go problems - Save both of black's gr
Post #4 Posted: Thu Mar 07, 2013 6:01 am 
Gosei
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I have John's Gateway To All Marvels for Kindle, and I can highly recommend it. I think it is safe to say you will get a lot more value for money with that version than you will with any other version of Xuan Xuan Qi Jing.

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