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| Mistake in solution in Davies Tesuji book? http://www.lifein19x19.com/viewtopic.php?f=17&t=8395 |
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| Author: | dbdkmezz [ Sat May 18, 2013 5:34 pm ] |
| Post subject: | Mistake in solution in Davies Tesuji book? |
I've been working though Davies' Tesuji book, and I don't think the solution to snapback problem 2 on page 31 works (or at least, it ends in a ko). Here's the problem (white to play and capture the big clump of balck stones): The given answer is a. But I'm worried about black responding with 2: And it seems that now we're left with a ko. Have I missed something? Cheers (Oh, and this is my first post, so feel free to let me know if I'm using diagrams wrongly or something  )
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| Author: | amnal [ Sat May 18, 2013 5:54 pm ] |
| Post subject: | Re: Mistake in solution in Davies Tesuji book? |
dbdkmezz wrote: I've been working though Davies' Tesuji book, and I don't think the solution to snapback problem 2 on page 31 works (or at least, it ends in a ko). Here's the problem (white to play and capture the big clump of balck stones): ... And it seems that now we're left with a ko. Have I missed something? I think white just plays 5, and black actually can't win the ko. One possibility is double ko that black cannot ever win: |
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| Author: | dbdkmezz [ Sun May 19, 2013 3:40 am ] |
| Post subject: | Re: Mistake in solution in Davies Tesuji book? |
Oooh, that's nice. Cheers, I'd never have seen that. |
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