I like the double kakari, too.
The right side per se is not very interesting right now.
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| 44, small knight approach, 4 space half-pincer wedge thing http://www.lifein19x19.com/viewtopic.php?f=15&t=10190 |
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| Author: | skydyr [ Mon Apr 21, 2014 9:51 am ] |
| Post subject: | 44, small knight approach, 4 space half-pincer wedge thing |
I have seen this move in the context of old Chinese games, to prevent moyos, and Sensei's library has a very short discussion on it. Has anyone tried playing this enough to get a good feel for it, and what were your conclusions? As black, I've done okay diving into the corner, though I think my opponent misplayed. In that game, black had also played 3-3 in the bottom left, not 4-4. Double approach seems reasonable as well. The A-B exchange seemed too easy on white, though since black will probably take sente out of the situation, and plays first in a symmetric position, you would expect black to have the advantage. I didn't like the idea of letting white settle so easily though. Any thoughts? |
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| Author: | shapenaji [ Mon Apr 21, 2014 2:25 pm ] |
| Post subject: | Re: 44, small knight approach, 4 space half-pincer wedge thi |
I like the double kakari here, the downside to a "pincer" that long is usually that it doesn't put much pressure on anything. If it is approached, it becomes useful, so my take would be, don't approach it, let white get 2 2-space extensions if he wants them. |
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| Author: | Bill Spight [ Mon Apr 21, 2014 5:46 pm ] |
| Post subject: | Re: 44, small knight approach, 4 space half-pincer wedge thi |
I like the double kakari, too. The right side per se is not very interesting right now.
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| Author: | ez4u [ Mon Apr 21, 2014 6:15 pm ] |
| Post subject: | Re: 44, small knight approach, 4 space half-pincer wedge thi |
I faced this a number of times in teaching games with pros. There is nothing special about it (maybe that is what makes it special?). Rather it was used then to demonstrate the ideas of miai and balance. No matter what you think you ought to do against it, you can't really. By the same token, it is not a severe move so the next choice really is up to you. It will play a role in whatever unfolds next. Will you do a better job of taking its potential into account or will your opponent? That's the essence of Go, right?
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| Author: | skydyr [ Tue Apr 22, 2014 6:29 am ] |
| Post subject: | Re: 44, small knight approach, 4 space half-pincer wedge thi |
ez4u wrote: I faced this a number of times in teaching games with pros. There is nothing special about it (maybe that is what makes it special?). Rather it was used then to demonstrate the ideas of miai and balance. No matter what you think you ought to do against it, you can't really. By the same token, it is not a severe move so the next choice really is up to you. It will play a role in whatever unfolds next. Will you do a better job of taking its potential into account or will your opponent? That's the essence of Go, right? Are there other moves you think of especially as 'teaching moves' like this one, then? |
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| Author: | TheBigH [ Wed Apr 23, 2014 1:03 am ] |
| Post subject: | Re: 44, small knight approach, 4 space half-pincer wedge thi |
I would reason like this (and perhaps it's why I am not a strong player): If white extends towards  , that will be a really nasty pincer. So I will extend to a. White's will make a base by extending to b, but that's no problem because the whole top side is still open so my hoshi stone is in no great danger. Later, playing at O3 or somewhere nearby looks good because of my half-settled group on the right side.What is wrong with that thinking? |
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| Author: | Bill Spight [ Wed Apr 23, 2014 2:19 am ] |
| Post subject: | Re: 44, small knight approach, 4 space half-pincer wedge thi |
TheBigH wrote: I would reason like this (and perhaps it's why I am not a strong player): If white extends towards , that will be a really nasty pincer. So I will extend to a. White's will make a base by extending to b, but that's no problem because the whole top side is still open so my hoshi stone is in no great danger. Later, playing at O3 or somewhere nearby looks good because of my half-settled group on the right side.What is wrong with that thinking? If White extends towards , making a one space pincer, Black can jump into the corner at the 3-3 and the result will be the same as joseki, but with an extra White stone on the right side, which means that White will be a bit over-concentrated. (Over-concentration is a relatively modern concept.)
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| Author: | EdLee [ Wed Apr 23, 2014 2:55 am ] |
| Post subject: | |
Bill Spight wrote: If White extends towards
Hi Bill, is it a consensus among pros that , making a one space pincer, Black can jump into the corner at the 3-3 and the result will be the same as joseki,but with an extra White stone on the <snip> side, which means that White will be a bit over-concentrated. (Over-concentration is a relatively modern concept.)  ends up a bit over-concentrated (a recent one ?) ?I was under the impression of the opposite. |
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| Author: | EdLee [ Wed Apr 23, 2014 2:57 am ] |
| Post subject: | |
TheBigH wrote: If white extends towards It's not nasty at all. ( What's so nasty about it ? ) It's perfectly reasonable,, that will be a really nasty pincer.and as Bill mentioned, B can simply jump into 3-3 (see Var A above). Very peaceful result, locally. ( Of course, depending on the whole board, B may not want to jump in to 3-3. ) |
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| Author: | Bill Spight [ Wed Apr 23, 2014 3:14 am ] |
| Post subject: | Re: |
EdLee wrote: Bill Spight wrote: If White extends towards
Hi Bill, is it a consensus among pros that , making a one space pincer, Black can jump into the corner at the 3-3 and the result will be the same as joseki,but with an extra White stone on the <snip> side, which means that White will be a bit over-concentrated. (Over-concentration is a relatively modern concept.) ends up a bit over-concentrated (a recent one ?) ?I was under the impression of the opposite. It is an inference I draw from this diagram.  may occur at this point in some pro games, but I do not believe that it is considered to be joseki. So it is a bit over-concentrated.
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| Author: | Uberdude [ Wed Apr 23, 2014 3:16 am ] |
| Post subject: | Re: 44, small knight approach, 4 space half-pincer wedge thi |
Lee Changho likes that 2 space extension after the one space pincer take the corner joseki, though obviously it depends on the situation. |
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| Author: | EdLee [ Wed Apr 23, 2014 3:16 am ] |
| Post subject: | |
Bill Spight wrote: So it is a bit over-concentrated.
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