I looked briefly over the game so far and wanted to add some quick comments, as requested:
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| #194 Skydyr versus DeFlow http://lifein19x19.com/viewtopic.php?f=37&t=7419 |
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| Author: | golem7 [ Mon Dec 17, 2012 9:51 am ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
I looked briefly over the game so far and wanted to add some quick comments, as requested:  is not severe at all, on the contrary, it's terrible. Creates a weak group for no reason and allows black to be sealed into the corner.  just strengthens a group that was weak before. Instead of blocking with  , white should think about r2, much harder for black to handle. Let's not talk about white's ponnuki   should cut. |
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| Author: | DeFlow [ Mon Dec 17, 2012 10:28 am ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
For this move, I considered both pushing and this. If I push, I expect a hane on the lower side from white however, to sever my connection. Connecting my weak group in the middle would be so good for me however! That's why I play this. The variation that I did not like:
I see no way to connect my bottom groups. If you do, please help me in the comments! Variation that I prefer (I do not expect white to atari my stone on the first line, because of this variation):
If white bends:
And white will gain two moves to kill the lower left (a) or play on the top left (b?), while I kill his group (  fills ko). |
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| Author: | skydyr [ Mon Dec 17, 2012 10:53 am ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
Sente, precious sente. |
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| Author: | DeFlow [ Mon Dec 17, 2012 10:59 am ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
Now my two groups can connect. If white would not have played 50 as in the game but at a, the peep aji would have been there, white could only live in gote (not in ko, as in the game):
In the variation after 50 at a, I see no connection for black:
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| Author: | skydyr [ Mon Dec 17, 2012 11:15 am ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
I don't think that's sente enough to prevent me from taking the corner, now that the fighting has died down. I have nice endgame at K2 unless black wants to give up sente for it at some point also. If black approaches the 3-5 stone, I intend to just extend nice and wide. |
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| Author: | DeFlow [ Mon Dec 17, 2012 12:05 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
Let's evaluate the position. It seems like white has taken a gote move to take the last open corner. I now have about 25 points combined. White has influence radiating all sides. In particular the left area of the board will be the main focus of his moyo development. The lower left wall faces it and the 5-3 point on top is also aimed at gaining influence. The wall on the right is facing my top right hoshi stone, but the ponnuki radiates strength in all directions. None of my groups are weak, so I have the priviledge to play freely. However, because of white's strength he can attack every of my weaknesses severely. Interesting points:
a: This move takes away a nice approach and extension-combo in one for white and strengthens my own corner. Extending from influence is always a big move in fuseki. b: The same goes for this move. Also, White's wall is not thick at all. The small knight can be cut (or I can threaten to cut with for example x, a nice shape move) c: An enclosure. Always big. I would really like to play at a AND b, because both moves seem so big. However I chose b, because I think Skydyr would like to play around that point next. I also know most kyu players (myself included) think they can attack and kill groups, but leave many weaknesses while the group leaves unscathed. Let's see how he will try to pressure me. |
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| Author: | skydyr [ Mon Dec 17, 2012 12:15 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
I thought black would come in on the 3rd line here... hmm. I need to make a base for the wall, and this seems to do the job. |
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| Author: | DeFlow [ Mon Dec 17, 2012 12:19 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
See? An http://senseis.xmp.net/?AnglePlay like this most of the time strengthens both sides. I say, Thank you Skydyr! |
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| Author: | skydyr [ Mon Dec 17, 2012 12:42 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
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| Author: | DeFlow [ Mon Dec 17, 2012 12:54 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
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| Author: | skydyr [ Mon Dec 17, 2012 1:13 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
I thought he would keep pushing. I think he means to attack my 3-5 stone, but it can either make a corner enclosure or jump out to attack his original side group if he approaches it normally. If he reinforces the side group, though, I definitely need to start strengthening it. |
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| Author: | DeFlow [ Mon Dec 17, 2012 1:21 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
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| Author: | skydyr [ Mon Dec 17, 2012 2:01 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
My groups should be safe after this. Let's see where we'll fight next. |
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| Author: | DeFlow [ Mon Dec 17, 2012 2:18 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
Now I have another strong group and he is overconcentrated. I was pondering between this move and enclosing the top left corner, but some of those people who play this crazy game called go say a two space extension is having two feet on the ground. You cannot fight on one leg. |
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| Author: | skydyr [ Mon Dec 17, 2012 2:40 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
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| Author: | DeFlow [ Mon Dec 17, 2012 2:56 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
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| Author: | skydyr [ Tue Dec 18, 2012 7:24 am ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
I think this is bigger than extending from the wall on the right, and that group shouldn't be in any danger yet. |
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| Author: | DeFlow [ Tue Dec 18, 2012 12:37 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
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| Author: | skydyr [ Wed Dec 19, 2012 10:14 am ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
Black's move feels inefficient or otherwise lacking in some respect to me, but I can't quite put my finger on why.
A through E are some moves I am looking at. I'd also like to get a move in at the marked point at some time in the near future. I will post sequences later. |
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| Author: | skydyr [ Thu Dec 20, 2012 12:27 pm ] |
| Post subject: | Re: #194 Skydyr versus DeFlow |
I want to make the attach-extend shape here, as I can still invade the corner for at least a ko, I believe. If black takes gote to defend, white claims the top left in one move. As for the previous post... D and E both feel kyuish, to say the least. Defending something one doesn't have. A and B seem premature, and I can't think of a good followup for C. |
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