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| White to play. Easy or Difficult? http://www.lifein19x19.com/viewtopic.php?f=15&t=17684 |
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| Author: | Gomoto [ Thu Jul 30, 2020 2:48 am ] |
| Post subject: | White to play. Easy or Difficult? |
White to play. What is the best move? How difficult was it for you to find? (X out of 10) Would you discover the move in a casual game? (yes / no) Have fun!
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| Author: | Tryss [ Thu Jul 30, 2020 3:51 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
A10 would be my best move As this is a tesuji I solved several time, I found it immediatly. Still, I needed to spend some time to verify that it indeed works. But yeah, I would have fond this in a casual game |
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| Author: | Farodin [ Thu Jul 30, 2020 4:02 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
I am under the impression that C11 works as well, though I didn't spend the time analysing whether it is superior to A10 or not. As a 3kyu EGF the difficulty of finding this was perhaps 4/10. I also am quite sure that I would have spotted this in a casual game, provided that it isn't a blitz game. EDIT: As Tryss pointed out, my move actually results in a ko. I guess I should revisit my claim that I'd have found this in a casual game  |
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| Author: | Tryss [ Thu Jul 30, 2020 4:22 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
Farodin wrote: I am under the impression that C11 works as well, though I didn't spend the time analysing whether it is superior to A10 or not. As a 3kyu EGF the difficulty of finding this was perhaps 4/10. I also am quite sure that I would have spotted this in a casual game, provided that it isn't a blitz game. I think it's ko : C11 A8 A7 A10 then white capture first |
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| Author: | Farodin [ Thu Jul 30, 2020 4:45 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
Tryss wrote: Farodin wrote: I am under the impression that C11 works as well, though I didn't spend the time analysing whether it is superior to A10 or not. As a 3kyu EGF the difficulty of finding this was perhaps 4/10. I also am quite sure that I would have spotted this in a casual game, provided that it isn't a blitz game. I think it's ko : C11 A8 A7 A10 then white capture first You're absolutely right! Looks like I'm a bit out of practice  |
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| Author: | Kirby [ Thu Jul 30, 2020 7:05 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
Whether or not I'd see this in a game depends a lot on my mental state. Sometimes when I'm out of it, I can miss something very simple like a snapback or something. When I'm not tired and feel focused and sharp, it makes a big difference. |
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| Author: | Knotwilg [ Thu Jul 30, 2020 7:09 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
My processsss
So for me it took 3 variations to find the move and 3 more to check, with depth of reading at most 5. I call it medium. I hope I would find it in a game. I would definitely spend an overtime on making sure I have the best move in such a game deciding situation. |
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| Author: | Kirby [ Thu Jul 30, 2020 8:08 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
Knotwilg wrote:
This one doesn't seem like failure:
If there's this marked exchange, then it's failure, I think:
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| Author: | Farodin [ Thu Jul 30, 2020 8:15 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
Knotwilg wrote: My processsss
So for me it took 3 variations to find the move and 3 more to check, with depth of reading at most 5. I call it medium. I hope I would find it in a game. I would definitely spend an overtime on making sure I have the best move in such a game deciding situation. As Kirby already pointed out while I was busy writing this, in your failure diagram, white has enough liberties to give atari to the black stones (I assume it was an oversight):
However, black has a stronger response:
What if white tries to be sneaky with 3?
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| Author: | Knotwilg [ Thu Jul 30, 2020 9:31 am ] |
| Post subject: | Re: White to play. Easy or Difficult? |
Quite so! So I missed the most important reason why the failure failed. As usual there's much more to tsumego than solving it. |
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