It's at least one book.
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| Choosing ko: How big is too big? http://prod.lifein19x19.com/viewtopic.php?f=15&t=2941 |
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| Author: | Kirby [ Tue Jan 18, 2011 6:34 pm ] |
| Post subject: | Choosing ko: How big is too big? |
Inspired by this topic about sabaki, where the "ko is too big for black to play": viewtopic.php?f=15&t=2902 Is there a systematic way to determine if a ko is too big to try to play (optimally)? Typically when I read, I will try to determine a category: "Oh, this can be ko", or "Oh, this will live without ko", etc. It seems useful to further categorize things into: "Oh, this can be ko, but it will be a ko that is too big to fight for my opponent". How big is too big? |
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| Author: | Andd [ Tue Jan 18, 2011 7:47 pm ] |
| Post subject: | Re: Choosing ko: How big is too big? |
Evaluating the value of a ko is very difficult though I think it comes down this question, is avoiding the ko a smaller loss then ignoring your opponent's last ko threat. This is a difficult question to answer in most ko situations involving life and death, and endgame situations, but the opposite of say too big to play, would be a picnic ko http://senseis.xmp.net/?HanamiKo. But I guess like many positional judgement calls, the only "systematic" classification you can get is by counting and deep reading. |
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| Author: | Magicwand [ Tue Jan 18, 2011 7:57 pm ] |
| Post subject: | Re: Choosing ko: How big is too big? |
ko is a beast. professionals have taugh time evaluating ko. no easy way out. experience will help you better access the burden and ko threats. ko fighting skills and your rank has direct correlation. |
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| Author: | EdLee [ Tue Jan 18, 2011 8:03 pm ] |
| Post subject: | |
It's at least one book.
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| Author: | cdybeijing [ Wed Jan 19, 2011 1:16 am ] |
| Post subject: | Re: |
EdLee wrote: It's at least one book. What English language books are out there dealing extensively with evaluating and fighting kos? |
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| Author: | EdLee [ Wed Jan 19, 2011 1:19 am ] |
| Post subject: | Re: Re: |
cdybeijing wrote: What English language books are out there dealing extensively with evaluating and fighting kos? All About Ko is the only one I heard of-- http://www.kiseido.com/master.htm#K76
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| Author: | Tommie [ Wed Jan 19, 2011 7:58 am ] |
| Post subject: | Re: Choosing ko: How big is too big? |
Kirby wrote: Is there a systematic way to determine if a ko is too big to try to play (optimally)? (...) How big is too big? Please check out GoBase for Matthews book (PDF and legal) - excellent and tough stuff !!! http://gobase.org/studying/articles/matthews/ko   
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| Author: | kirkmc [ Wed Jan 19, 2011 8:06 am ] |
| Post subject: | Re: Re: |
EdLee wrote: cdybeijing wrote: What English language books are out there dealing extensively with evaluating and fighting kos? All About Ko is the only one I heard of-- http://www.kiseido.com/master.htm#K76It's a pretty tough book. (At least for someone at my level...) |
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| Author: | Tommie [ Thu Jan 20, 2011 5:38 am ] |
| Post subject: | Re: Re: |
kirkmc wrote: EdLee wrote: cdybeijing wrote: What English language books are out there dealing extensively with evaluating and fighting kos? All About Ko is the only one I heard of-- http://www.kiseido.com/master.htm#K76It's a pretty tough book. (At least for someone at my level...) Tough for all levels .... co-written by a pro ! |
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| Author: | ethanb [ Sat Jan 22, 2011 9:18 pm ] |
| Post subject: | Re: Re: |
EdLee wrote: cdybeijing wrote: What English language books are out there dealing extensively with evaluating and fighting kos? All About Ko is the only one I heard of-- http://www.kiseido.com/master.htm#K76Think Like a Pro: Pae is another one, written by the same pro who did Think Like a Pro: Haengma. http://www.slateandshell.com/SSYY202.html |
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| Author: | cyclops [ Mon Jan 24, 2011 12:57 pm ] |
| Post subject: | Re: Choosing ko: How big is too big? |
"Fighting Ko" By Jin Jiang, Yutopian Enterprises, 1995. 140 pages, $ 11,95 . Ch 2: "Deciding whether to initiate a ko fight". 20 ( small ) pages. I have to reread it before commenting. But my impression is that it tells lots of thruths without explaining too much. I quote: " It is unreasonable for w to initiate ko regardless of the lack of ko threats in the beginning. Even if there were nothing is bigger for b than winning this ko. " period. |
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