Why I corrected the move:



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$$ | . 4 . . . . . . . . . . . . . . . . . |
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The size of this corner just feels intolerable to me. Especially as the latest White move is borderline sente because of "a"... The alternative just feels worse:




Show Diagram Code[go]$$Wc
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$$ | . . . . 5 . . . . . . . . . . . . . . |
$$ | . X O O 4 6 . . . . . . . . . . . . . |
$$ | . 1 X 2 O . . X . . . . . . . , X . . |
$$ | . 3 O B . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . 7 . . . . . . . . . . . . . . . . |
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$$ | . . . O . . . . . . . . . . . . . . . |
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$$ | . . X . X . . . . . . . . . . . . . . |
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Okay, if we're going to get ANYTHING out of this, we have to play locally. Thankfully, things look fine as frogs' hair up here for us. Let's compare local options.



Show Diagram Code[go]$$Bc
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X O O . . . . . . . . . . . . . . . |
$$ | . . X , O . . X . . . . . . . , X . . |
$$ | . X W b . . . . . . . . . . . . . . . |
$$ | . . a X . . . . . . . . . . . . . . . |
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$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . , . O . . . , . . . . . O . . . |
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'a' and 'b' are the ways to use the marked white stone. 'b' is safer, but more passive. Let's have a look at 'a'. If we can get 'a' and either win the fight or get 'b' anyways, then we want that. After all, no reason not get the cake and eat it, too. However, if I can find a variant of 'a' that leaves us cut off, I'll pick 'b' because it's a safe link that pushes black a little lower.



So long story short, I'm seeing no downside to being aggressive and playing 'a' from the first diagram. So that's what we'll do.

Now, take all of this with a grain of salt. I'm not that confident in my ability to make this deep of analysis accurately, even with the diagrams to look at. So I may certainly have missed something, in which case I'm trusting my allies to correct me.

Secondly, I don't REALLY expect any of these diagrams to play all the way out. These are showing black resisting as firmly as possible. I fully expect black to draw back, sacrifice the corner, and take sente elsewhere. But for a big enough corner and stability, I think I'll be okay with that.

If black gets D16 it'll be sente against the corner, so white must play there. Then I'll hane and squeeze with 4 and 6 as in my previous message. I'm not sure of 8 yet.

I think Topazg's correction is slack. White can play atari then push several times. In the end black lives on the second line and black cannot cut anymore because of geta.
I predict it will be changed for the move Gresil proposed.
Overall I'm surprised Topazg and Joaz are not more familiar with the continuations after H16.

It's interesting how Terr seems to fare better at finding acceptable plays.

It's like watching a train wreck sometimes, being able to see my teammates' comments. I knew this was probably going to happen, but I have no way of stopping it without losing points like this. Oh well.

And to think... Gresil's next move will have to be corrected too...