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| Mistake laden rengo http://www.lifein19x19.com/viewtopic.php?f=4&t=6580 |
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| Author: | Joaz Banbeck [ Sun Aug 26, 2012 6:36 am ] |
| Post subject: | Mistake laden rengo |
This was me and three others on KGS, ranging from 3D to 5K. The general opinion was that W misplayed the upper left and B misplayed the lower left. I'd particularly like to hear comments on moves 7, 52/54, and 82. The fight from about moves 100 to 200 probably has lots of room for improvement too. Thanks. |
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| Author: | mitsun [ Wed Aug 29, 2012 10:21 am ] |
| Post subject: | Re: Mistake laden rengo |
I do not claim to be an authority on opening theory, but I do not like the 7-8 exchange before W move 9. This just invites B to split and attack. More consistent I think would be to continue to ignore the O17 stone for now. Maybe look for an opportunity to play around K16, making O16 a good follow-up. W definitely went wrong in the upper right corner starting at move 21. Move 27 was a loss of a full move. Sometime before this, the attachment at M18 looks like the way for W to settle this group. After killing the entire corner and linking all his groups at move 44, B has a won game. The moves around 52-54 look a bit awkward for B, but I don't see anything better. The result up to move 60 seems reasonable. Up to move 76, W is perhaps a little better than B locally, but B has safely preserved the win. Move 82 is interesting and I like the idea, but B should really just wrap up the game by settling his weak group in the upper left. The only chance W has to stage an upset is to capture this group. |
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| Author: | Joaz Banbeck [ Wed Aug 29, 2012 11:56 am ] |
| Post subject: | Re: Mistake laden rengo |
THanks, Mitsun. mitsun wrote: ... The moves around 52-54 look a bit awkward for B, but I don't see anything better. The result up to move 60 seems reasonable. Up to move 76, W is perhaps a little better than B locally, but B has safely preserved the win... Not only did it feel awkward, but thru 76 is forced. W gets the lower left corner in sente and the ponuki extending his lower right corner;B gets an overconcentrated position on the bottom. I still am thinking that B got outplayed somehow. |
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