Life In 19x19
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The One-Eyed Fool (game review #6)
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Author:  Ian Butler [ Mon Apr 09, 2018 2:11 am ]
Post subject:  The One-Eyed Fool (game review #6)
Another match, I played it yesterday.
I was behind for quite a while and started making a good comeback.
The big change came, however, when I resurrected one of my groups. Then the game was won.
I made some big mistakes, but so did my opponent. It was a fun game, though.

As always, criticism is much appreciated.
Author:  Knotwilg [ Mon Apr 09, 2018 5:21 am ]
Post subject:  Re: The One-Eyed Fool (game review #6)
This game has an obvious object for you to study: https://senseis.xmp.net/?LowInvasionOfM ... eExtension, as can be seen from your moves at 34 and 48

Other things:

132-133 - remember the shape?
162 - despair brought you victory, but it shouldn't: White can make the game close here, without playing moves that shouldn't work. How?
Author:  Ian Butler [ Mon Apr 09, 2018 5:46 am ]
Post subject:  Re: The One-Eyed Fool (game review #6)
Knotwilg wrote:
This game has an obvious object for you to study: https://senseis.xmp.net/?LowInvasionOfM ... eExtension, as can be seen from your moves at 34 and 48

Other things:

132-133 - remember the shape?
162 - despair brought you victory, but it shouldn't: White can make the game close here, without playing moves that shouldn't work. How?



Thanks for the link, I will study this area next.

133: yes. I made the stupid shape :oops:

162: I think I see it now. Is it the following sequence?
W: Throw in at P1
B: take at Q1
W: Atari at R1
B: fill up at P1
W: L1 atari
B now cannot connect at N1 because he'll get caught. so he connects at O2
W makes a live shape with J1

Only problem I see with that sequence is that black might play J1 first, then white can take at N1, but then black takes O2 and white is down to one eye? So that sequence doesn't seem to work...

No, I don't see it. That group can't really be saved.
I don't quite see it, no.
Author:  Knotwilg [ Mon Apr 09, 2018 5:55 am ]
Post subject:  Re: The One-Eyed Fool (game review #6)
Indeed, that group can't be saved. So, can you make another move at 162, one that focuses on the real big/urgent area?
In fact, the answer is already in the game record.
Author:  Ian Butler [ Mon Apr 09, 2018 6:16 am ]
Post subject:  Re: The One-Eyed Fool (game review #6)
In that case, I thought N16 or M15 would be the biggest points. M15 is interesting because black cannot hane (which he can in M15)

I just checked with Leela and she concurs.
So black got to play there first now. If I had played there first, you think white could've still won even with his group dead?
Author:  Knotwilg [ Mon Apr 09, 2018 6:34 am ]
Post subject:  Re: The One-Eyed Fool (game review #6)
I just checked with Leela and she concurs.

- Me too :razz: (M15 that is)

So black got to play there first now. If I had played there first, you think white could've still won even with his group dead?

- Yes. I tried it and SE says 0,5 pts diff. So playable for sure!

Cheers!
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