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Next game after a 90-point loss(!)
http://www.lifein19x19.com/viewtopic.php?f=4&t=17373
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Author:  tekesta [ Tue Apr 07, 2020 10:36 pm ]
Post subject:  Next game after a 90-point loss(!)

I played against my friend again and I was able to obtain a 10.5-point victory this time.



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Author:  TheLemon [ Thu Apr 23, 2020 2:32 am ]
Post subject:  Re: Next game after a 90-point loss(!)

Why not B17 at P4?
B21 is maybe better as an extension on the left, white can't easily make territory by leaning on the black group.
W28 should probably follow up on the N17 stones, for example at O16.
W32: no need for arcane invasions with the left side so open.
W36: this move doesn't seem to accomplish much, builds a wall facing an open area.
B37 is better spent applying pressure to J17.
B57 should capture.
B71 causes white to weaken the crucial cutting stones, makes no territory and connects two living groups. Sure it puts white behind black lines but you should drive your opponent towards thickness, correct direction is to strengthen K6 then when white runs right the bottom is stable enough to threaten separation.
B79 exchange removes an important liberty, WN3 becomes a thing.
B83 builds nothing. Defend the weak group before prepping for large scale attacks, sure it is tempting to split the top dragon and chase it around a bit but if the attacking moves don't give profit that is a bad sign. Often it is better to use the weakness to take a solid point in sente, like here you could play C7 and if white doesn't defend you get some free moves against the top and some against the middle group then suddenly you have potential for a big moyo on the left.
W106 is better at B9.
B153 is not needed, nor B249.

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