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| cornel corner http://prod.lifein19x19.com/viewtopic.php?f=15&t=6216 |
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| Author: | cyclops [ Thu Jun 21, 2012 4:20 pm ] |
| Post subject: | cornel corner |
Today in a kgsplus teaching game Cornel explained that B's corner should survive. Do you see how? Solution: Cornel is a great teacher and a kgs 8 dan, so probably I am mistaken. But ... Antisolution if correct?? edit: wrong again. I should stop posting nonsense 
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| Author: | emeraldemon [ Thu Jun 21, 2012 4:31 pm ] |
| Post subject: | Re: cornel corner |
| Author: | cornelgo [ Thu Jun 21, 2012 4:43 pm ] |
| Post subject: | Re: cornel corner |
Hi Arthur, in your 2nd diagram black move 9 should be at 10 and when white pushes at 9 black can link under on 1st line, white captures 2 stones then black takes one back..I showed that during the teaching game also.. Kind Regards, Cornel B. |
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| Author: | daal [ Thu Jun 21, 2012 11:18 pm ] |
| Post subject: | Re: cornel corner |
cyclops wrote: edit: wrong again. I should stop posting nonsense Au contraire! It's always a good idea to question such claims ourselves. Maybe the stronger player missed something (they do sometimes, though not as often as we do), and if they didn't, then we learned something new. (No, I don't mean that we learned that we are incompetent, but rather that we learned to look for solutions in new places). I'm sure that Cornel appreciates that his lesson proved to be thought provoking. |
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| Author: | SoDesuNe [ Fri Jun 22, 2012 2:21 am ] |
| Post subject: | Re: cornel corner |
daal is right. In my opinion, the important part of this problem is the threat to connect with sacrificing two stones. If Black can't do this, the corner will die. To see/realize this Miai-situations is really important and by posting here and figuring out this problem, I'm sure you'll remember =) Do you? =D Courtesy of Lessons in the fundamentals of Go. |
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| Author: | cyclops [ Fri Jun 22, 2012 9:25 am ] | ||
| Post subject: | Re: cornel corner | ||
I read Lessons in the Fundamentals of Go and studied the problems. Still I only find a ko in the main variant. It seems you suggest b19, but I don't get it to work. @Cornel, yes I found your explaination of "the emeraldemon's variant" in your lesson I replayed on KGSPlus. But it was missing in the publicly available file in your gamelist. That is the one I checked first. No big deal though because it was a nice exercise.
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| Author: | SoDesuNe [ Fri Jun 22, 2012 1:59 pm ] |
| Post subject: | Re: cornel corner |
Your first move does not kill. White lives unconditionally when he just captures the three stones, because C18 and F19 are Miai. I heard a useful advice in a chess lesson: If you can't figure out the first move (or if there are lots of possibilities), try moves which force the opponent to react in certain restricted ways (like giving Atari when the stones are important). And always start from the outside, e.g. narrowing the eye-space (that one I borrowed from Kageyama). |
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| Author: | illluck [ Fri Jun 22, 2012 2:08 pm ] |
| Post subject: | Re: cornel corner |
Edit: FAIL XD |
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| Author: | jts [ Fri Jun 22, 2012 2:11 pm ] |
| Post subject: | Re: cornel corner |
A stab... Damn, ninja'ed! |
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@8, 
@a
b and c are B's miai for life.
retakes at marked point