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Right way to respond?
https://lifein19x19.com/viewtopic.php?f=15&t=16315
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Author:  BlindGroup [ Sat Dec 22, 2018 6:10 pm ]
Post subject:  Right way to respond?

My opponent played this large knight slide (at R18) from the small knight approach to the 4-4. I had to play black wit this board. I misplayed it in the game, but on review, my approach seemed to give a good result as long as I don't overplay like I did in the game. Was this the right direction?



Attachments:
2018-12-23 W IGS 3k H1 sub 1.sgf [1.37 KiB]
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Author:  dfan [ Sat Dec 22, 2018 6:55 pm ]
Post subject:  Re: Right way to respond?

Extended discussion: https://www.youtube.com/watch?v=8mJqE4KftwM

If I recall correctly,
  • Q18 (as you played) is exactly what White wants.
  • Black's best play may be to tenuki, since White doesn't have a great followup.

Author:  BlindGroup [ Sat Dec 22, 2018 8:04 pm ]
Post subject:  Re: Right way to respond?

dfan wrote:
Extended discussion: https://www.youtube.com/watch?v=8mJqE4KftwM

If I recall correctly,
  • Q18 (as you played) is exactly what White wants.
  • Black's best play may be to tenuki, since White doesn't have a great followup.


Wow! That was stunningly on-point. Thanks! Turns out that neither I nor my opponent had a clue how to play it...

Out of curiosity, I looked at this position from the video with Lizzie:

Click Here To Show Diagram Code
[go]$$c
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X , . . . . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . d . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . b X . . . . . , . . . . . O . . . |
$$ | . a . . . B . . . . . . . c . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]


Her preference is to play the standard joseki starting with B, where white takes a position on the left and black builds influence facing right. This also seems to have the effect of negating the pincer at D that was the motivation for A in the video. Compared to B, however, she only thinks that A is 0.3-0.4 percentage points worse. So, it certainly seems playable. In response to white A, her preference is to play C offering to trade the corner for a position on the bottom.

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