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 Post subject: Re: Kirby's Study Journal
Post #1841 Posted: Mon Mar 14, 2022 7:03 pm 
Honinbo

Posts: 9489
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KGS: Kirby
Tygem: 커비라고해
So now let's talk about some details... I haven't reviewed with AI, so these are just my opinions.

Position 1

Here:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . O . . O . . . . . . X . . X W . |
$$ | . . . , . . . . . , . . . . . X W W . |
$$ | . . X . . . . . . . . . . . . X X W . |
$$ | . . . . . . . . . . . . . . . O O X . |
$$ | . . . . . . . . . . . . . . . . . X . |
$$ | . . . . . . . . . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . , . . . |
$$ | . . . . . O . . . . . . . W . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


In the game, I was reasonably happy to get the 4 stones above - it's some solid territory. But at the same time, I felt that white's approach move on the bottom was strong. It was strong in that I didn't know of a good way to answer it, so the game didn't go as I had expected.

So what could have happened to prevent this? I suppose I could have played on the bottom first, if I thought that was big. Instead of moving out:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . O . . O . . . . . . X . . X O . |
$$ | . . . , . . . . . , . . . . . X O O . |
$$ | . . X . . . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . O O . . |
$$ | . . . . . . . . . . . . . . . . . X . |
$$ | . . . . . . . . . . . . . . . . O B . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . , . . . |
$$ | . . . . . O . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


It might be good to play on the bottom first:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . O . . O . . . . . . X . . X O . |
$$ | . . . , . . . . . , . . . . . X O O . |
$$ | . . X . . . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . O O . . |
$$ | . . . . . . . . . . . . . . . . . X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . X . . . . . . . . . . . . . . C . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . , . . . |
$$ | . . . . . O . . . B . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This has the downside, however, that white can defend on the left, so I wouldn't get the 4 stones. I don't know which way is better. But this way may be simpler.

Position 2
This was stupid:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . O . . O . . . . . . X . . X O . |
$$ | . . . , . . . . . , . . . . . X O O . |
$$ | . . X . . . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . O O X . |
$$ | . . . . . . . . . . . . . . . . . X . |
$$ | . . . . . . . . . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X B . |
$$ | . . . . . . . . . . . . . . . . X O . |
$$ | . . . O . . . . . , . . . . . X . O . |
$$ | . . . . . O . . . . . X . O X X O . . |
$$ | . . . . . . . . . . . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I "know" the shape in the bottom right. Yet somehow, I thought I could try to kill it. Very silly.
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . O . . O . . . . . . X . . X O . |
$$ | . . . , . . . . . , . . . . . X O O . |
$$ | . . X . . . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . O O X . |
$$ | . . . . . . . . . . . . . . . . . X . |
$$ | . . . . . . . . . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . . . X O . |
$$ | . . . O . . . . . , . . . . . X . O . |
$$ | . . . . . O . . . O . X . O X X O . . |
$$ | . . . . . . . . . . . . . . X O O 1 . |
$$ | . . . . . . . . . . . . . . . . . 2 . |
$$ ---------------------------------------[/go]


Oof.

Position 3
I don't have a lot to say about it, but this was kind of fun:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . O . . O . . . O O X X . . X O . |
$$ | . . O O . . . . . O O X O . . X O O . |
$$ | . X X O X . . . X O X X . . . X X O . |
$$ | . . . X O . B O O X . . . . . O O X . |
$$ | . . . . . . . . X X . . . . . . . X . |
$$ | . . . . . . . . . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X O . . . . . . . . . . . . . . |
$$ | . X O O O . . . . . . . . . . . . . . |
$$ | . . . . . . . . O . . . . . . . X X . |
$$ | . X . . . . . X O . . . . . . . X O . |
$$ | . X O O . O . X O , . O . . . X . O . |
$$ | O O . . . O X . X O O X X O X X O . . |
$$ | . X . . . . . X . X X . . . X O O X . |
$$ | . . . . . . . . . . . . . . . . . O . |
$$ ---------------------------------------[/go]


Position 4
Another "oof" moment:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . O . . X . . . . . . X X . |
$$ | . . . O . B O X X . O O X X . . X O . |
$$ | . . O O . O X O O O O X O . . X O O . |
$$ | . X X O X O X X X O X X . . . X X O . |
$$ | . . . X O O X O O X . . . . . O O X . |
$$ | . . . W X X X O X X . O . . . . . X . |
$$ | . . . . . . . O . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X O . . . . . . . . . . . . . . |
$$ | . X O O O . . . . . . . . . . . . . . |
$$ | . . . . . . . . O . . . . . . . X X . |
$$ | . X . . . . . X O . . . . . . . X O . |
$$ | . X O O . O . X O , . O . . . X . O . |
$$ | O O . . . O X . X O O X X O X X O . . |
$$ | . X . . . . . X . X X . . . X O O X . |
$$ | . . . . . . . . . . . . . . . . . O . |
$$ ---------------------------------------[/go]


White had just played the marked stone. I chickened out and played the atari there, because I was afraid of this:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . 7 O 2 . X . 3 . . . . X X . |
$$ | . . . O . 5 O X X . O O X X . . X O . |
$$ | . . O O 6 O X O O O O X O . . X O O . |
$$ | . X X O X O X X X O X X . . . X X O . |
$$ | . . 1 X O O X O O X . . . . . O O X . |
$$ | . . . O X X X O X X . O . . . . . X . |
$$ | . . . 4 . 8 . O . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X O . . . . . . . . . . . . . . |
$$ | . X O O O . . . . . . . . . . . . . . |
$$ | . . . . . . . . O . . . . . . . X X . |
$$ | . X . . . . . X O . . . . . . . X O . |
$$ | . X O O . O . X O , . O . . . X . O . |
$$ | O O . . . O X . X O O X X O X X O . . |
$$ | . X . . . . . X . X X . . . X O O X . |
$$ | . . . . . . . . . . . . . . . . . O . |
$$ ---------------------------------------[/go]


Because "ahh, I'll lose that black group!". Of course, this is an illusion:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . 7 O 2 . X 9 3 . . . . X X . |
$$ | . . . O . 5 O X X . O O X X . . X O . |
$$ | . . O O 6 O X O O O O X O . . X O O . |
$$ | . X X O X O X X X O X X . . . X X O . |
$$ | . . 1 X O O X O O X . . . . . O O X . |
$$ | . . . O X X X O X X . O . . . . . X . |
$$ | . . . 4 . 8 . O . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X O . . . . . . . . . . . . . . |
$$ | . X O O O . . . . . . . . . . . . . . |
$$ | . . . . . . . . O . . . . . . . X X . |
$$ | . X . . . . . X O . . . . . . . X O . |
$$ | . X O O . O . X O , . O . . . X . O . |
$$ | O O . . . O X . X O O X X O X X O . . |
$$ | . X . . . . . X . X X . . . X O O X . |
$$ | . . . . . . . . . . . . . . . . . O . |
$$ ---------------------------------------[/go]


However, maybe it's still not ideal:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . 7 O 2 . X 9 3 . . . . X X . |
$$ | . . . O . 5 O X X . O O X X . . X O . |
$$ | . . O O 6 O X O O O O X O . . X O O . |
$$ | . X X O X O X X X O X X . . . X X O . |
$$ | . . 1 X O O X O O X . . . . . O O X . |
$$ | . 0 . O X X X O X X . O . . . . . X . |
$$ | . . . 4 . 8 . O . . . . . . . . O X . |
$$ | . . X . . . . . . . . . . . . . O O . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X O . . . . . . . . . . . . . . |
$$ | . X O O O . . . . . . . . . . . . . . |
$$ | . . . . . . . . O . . . . . . . X X . |
$$ | . X . . . . . X O . . . . . . . X O . |
$$ | . X O O . O . X O , . O . . . X . O . |
$$ | O O . . . O X . X O O X X O X X O . . |
$$ | . X . . . . . X . X X . . . X O O X . |
$$ | . . . . . . . . . . . . . . . . . O . |
$$ ---------------------------------------[/go]


Nonetheless, it didn't go as I had read it during the game, so that's problematic.

That's most of what I have to say about this game.

_________________
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Offline
 Post subject: Re: Kirby's Study Journal
Post #1842 Posted: Mon Mar 14, 2022 7:15 pm 
Honinbo

Posts: 9489
Liked others: 1599
Was liked: 1673
KGS: Kirby
Tygem: 커비라고해
In the game that I lost, I don't even feel that great about the opening:

Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . X . . . . . |
$$ | . . X , X . X . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . X . . . . . . . . . . . . |
$$ | . . O . . O O O . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . O . . . |
$$ | . . . X . . X . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Already, I feel like black is being more efficient.

One of the problems with this game is that my recollection is pretty vague from the middle game, so I don't have an accurate picture of what happened. That's particularly bad, since it should be more educational to learn from a game that I lost. I was a bit emotional after losing, so maybe that impacted my memory.

Anyway, I do remember one other big turning point, which was this:

Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X O X . . . . . . . . X O X X . . |
$$ | . X O X X X . . . X . X . X O O X . . |
$$ | . O . O X . X . . , X O . O . O X . . |
$$ | . . O O . . . . . . X O . O . O X X . |
$$ | . . . . X . O O O O O X X X X O O O . |
$$ | . . O . . . O X X X X O . . . . . . . |
$$ | . . . X . . X C . . . 1 . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . O , . . . . W W W . . . . , X . . |
$$ | . . . . . . . . . . . . O O O O O O . |
$$ | . . X X X . O . . X . X . X O X X O . |
$$ | . . . O . . . . . . . X . X O X O O . |
$$ | . . . . . . X . . . . O O X X X X X . |
$$ | . . O O . O O O . . . O X X X X . X . |
$$ | . . X , . . . . . O O O O X X , X X . |
$$ | . . . X . . X . O O . . . O O X O X . |
$$ | . . . . . . . . O O O O . . O O O X X |
$$ | . . . . . . . . O O . . . O . O O O . |
$$ ---------------------------------------[/go]


The game record isn't exactly correct in that in the actual game, somehow I had enough stones in the middle (like the marked ones) such that the move at :w1: really threatened capturing the four black stones on the left of the extension. Because of that, I really thought, "this is sente". And I figured I'd have no problem subsequently killing on the right.

Needless to say, he didn't care about those four stones, and ended up getting a board position something like this:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X O X . . . . . . . . X W X X . . |
$$ | . X O X X X . . . X . X . X W W X . . |
$$ | . O . O X . X . . , X W . W . W X . . |
$$ | . . O O . . . . . . X W . W . W X X . |
$$ | . . . . X . O O O O O X X X X W W W . |
$$ | . . O . . . O X X X X O . . . . . . . |
$$ | . . . X . . X O . . . O . . X . X . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . O , . . . . O O O . . . . , X . . |
$$ | . . . . . . . . . . . . O O O O O O . |
$$ | . . X X X . O . . X . X . X O X X O . |
$$ | . . . O . . . . . . . X . X O X O O . |
$$ | . . . . . . X . . . . O O X X X X X . |
$$ | . . O O . O O O . . . O X X X X . X . |
$$ | . . X , . . . . . O O O O X X , X X . |
$$ | . . . X . . X . O O . . . O O X O X . |
$$ | . . . . . . . . O O O O . . O O O X X |
$$ | . . . . . . . . O O . . . O . O O O . |
$$ ---------------------------------------[/go]


and my big group died.

As a consolation, later in the game, I did manage to kill the left stones:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X O X . . . . . . . . X O X X . . |
$$ | . X O X X X . . . X . X . X O O X . . |
$$ | . O . O X . X . . , X O . O . O X . . |
$$ | . . O O . . . . . . X O . O . O X X . |
$$ | . . . . B . O O O O O X X X X O O O . |
$$ | . . O . . . O X X X X O . . . . . . . |
$$ | . . . B . . B O . . . O . . X . X . . |
$$ | . . O B . . . . . . . . . . . . . . . |
$$ | . . O , . . . . O O O . . . . , X . . |
$$ | . . . . . . . . . . . . O O O O O O . |
$$ | . . B B B . O . . X . X . X O X X O . |
$$ | . . . O . . . . . . . X . X O X O O . |
$$ | . . . . . . B . . . . O O X X X X X . |
$$ | . . O O . O O O . . . O X X X X . X . |
$$ | . . X , . . . . . O O O O X X , X X . |
$$ | . . . X . . X . O O . . . O O X O X . |
$$ | . . . . . . . . O O O O . . O O O X X |
$$ | . . . . . . . . O O . . . O . O O O . |
$$ ---------------------------------------[/go]


However, it wasn't enough to make up for his huge kill on the right.

This is a game where it might have been good for me to have someone record for me; or I should have remembered it better, I suppose. Maybe I would have recorded it sooner had I not been so upset.

_________________
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 Post subject: Re: Kirby's Study Journal
Post #1843 Posted: Mon Mar 14, 2022 7:20 pm 
Honinbo

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Tygem: 커비라고해
I will review more tomorrow. I don't think it does things justice to rush through the game reviews. I still haven't gathered all of my thoughts on the two games that I've posted diagrams on here.

Something I want to particularly think about was the one comment on this diagram:

Click Here To Show Diagram Code
[go][go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . X . . . . . |
$$ | . . X , X . X . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . X . . . . . . . . . . . . |
$$ | . . O . . O O O . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . O . . . |
$$ | . . . X . . X . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This feels bad to me. But I didn't know what I did "wrong" per se up until now. Maybe it was this tenuki:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . X . . . . . |
$$ | . . X , . . X . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . W . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . O . . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: Kirby's Study Journal
Post #1844 Posted: Mon Mar 14, 2022 7:34 pm 
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Tygem: 커비라고해
Peeking a little bit with AI at the opening, a couple of things stick out.

Position 1
Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . X . . . . . |
$$ | . . X , . . X . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 2 . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 1 . . 3 . 5 . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . O . . . |
$$ | . . . X . . 4 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


More than :w1:, :w5: seems to be more problematic. Instead of :w5:, I can come back to the top left.

Position 2
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . X . . . . . |
$$ | . . X , X . X . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . . O W . |
$$ | . . X . . . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . X O O . |
$$ | . . . . . . X . . . . . . . . X X . . |
$$ | . . O O . O O O . . . . . . . O O X . |
$$ | . . X , . . . . . , . . . . . O X X . |
$$ | . . . X . . X . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Why in the world did I play the marked white stone, above? It seemed almost automatic, and I didn't even think to question it during a review of the game. The AI recommends a move which moves out and seems clearly better:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . X . . . . . |
$$ | . . X , X . X . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . W O . . |
$$ | . . X . . . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . X O O . |
$$ | . . . . . . X . . . . . . . . X X . . |
$$ | . . O O . O O O . . . . . . . O O X . |
$$ | . . X , . . . . . , . . . . . O X X . |
$$ | . . . X . . X . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Why the heck isn't that on my radar???

FWIW, if I understand the AI reading correctly, my move cost about 13 points; and -28.8% for the win rate!

Despite that, the AI puts me at 91.7% win rate here:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X O X . . . . . . . . . . . . . . |
$$ | . X O X X X . . . . . . . X . . . . . |
$$ | . O . O X . X . . , . . . . . O . . . |
$$ | . . O O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O O O . |
$$ | . . X . X . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . X O O . |
$$ | . . . . . . X . . . . . . . . X X X . |
$$ | . . O O . O O O . . . . . X . O O X . |
$$ | . . X , . . . . . , . . . . . O X X . |
$$ | . . . X . . X . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So maybe the game wasn't so bad after all, at least up until this point.

In fact, even at the end of the game as I have it recorded, the AI has white at a win rate of 96% or something... I guess I should have known how to live. Somehow the entire right side died, though, so that was the bigger problem in terms of win/loss.

Nonetheless, the earlier part of the game is pedagogical.


Still wondering why I didn't see this move:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . X . . . . . |
$$ | . . X , X . X . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . W O . . |
$$ | . . X . . . . . . . . . . . . X X O . |
$$ | . . . . . . . . . . . . . . . X O O . |
$$ | . . . . . . X . . . . . . . . X X . . |
$$ | . . O O . O O O . . . . . . . O O X . |
$$ | . . X , . . . . . , . . . . . O X X . |
$$ | . . . X . . X . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


It's obvious: move out...

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 Post subject: Re: Kirby's Study Journal
Post #1845 Posted: Tue Mar 15, 2022 1:33 pm 
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Tygem: 커비라고해
I want to review more of my tournament games, but I have little time. I have lots to do at work, and I need to study for a Korean test that's happening in less than a month. And also trying to learn some other things, which I'm not advertising that much...

So I played another game in the meantime, and did a review:



I played on Tygem as white, and lost by 1.5 points.

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 Post subject: Re: Kirby's Study Journal
Post #1846 Posted: Tue Mar 15, 2022 1:38 pm 
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Tygem: 커비라고해
The "big" stuff that sticks out to me...

Position 1

Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . B . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . O . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I don't know much about this pincer, or how to respond to it. I want to press like this:
Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . , . . . . . , . . . 3 1 , . . . |
$$ | . . . O . . . . . . . . 4 . 2 X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


But I was afraid that black would come back and push through. I vaguely recall a sequence like this:

Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X 7 . . |
$$ | . . . . . . . . . . . . . . . 5 . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . 6 4 3 O . . |
$$ | . . . , . . . . . , . . . . 1 2 . . . |
$$ | . . . O . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


But checking on josekipedia, it says that's outdated, and to play here:

Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . 4 3 O . . |
$$ | . . . , . . . . . , . . . . 1 2 . . . |
$$ | . . . O . . . . . . . . . . 5 X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I will check it with the AI later.

Whatever the case, I felt really bad about this push:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . O . O O . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . X O . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . , . . . . . , . . B O O , . . . |
$$ | . . . O . . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


But I don't know the best way to avoid it. Should *I* push there first? That seems bad. But I don't have a sequence that I can find that seems good. This seems like the biggest thing for me to get some ideas from AI.

I will leave it at that for now and check the AI soon.

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 Post subject: Re: Kirby's Study Journal
Post #1847 Posted: Tue Mar 15, 2022 1:50 pm 
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Tygem: 커비라고해
Checking AI, seems it wants to just tenuki this:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . O . O O . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . X O . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 2 . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . , . . . . . , . . 1 O O , . . . |
$$ | . . . O . . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Bigger problem seems to be that it doesn't like my response here:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . O . O O . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . X O . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . W . |
$$ | . . . . . . . . . . . . . . . O O . . |
$$ | . . . , . . . . . , . . X O O X X O . |
$$ | . . . O . . . . . . . . X . X X O X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Instead, just push through:
Click Here To Show Diagram Code
[go]$$W
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . O . O O . . |
$$ | . . . O . . . . . X . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . X O . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . 8 . |
$$ | . . . . . . . . . . . . . . . O O 6 . |
$$ | . . . , . . . . . , . . X O O X X O . |
$$ | . . . O . . . . . . . . X 1 X X O X 7 |
$$ | . . . . . . . . . . . . . 2 4 . 3 5 . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]



AI seems OK with getting split here and taking the corner.

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 Post subject: Re: Kirby's Study Journal
Post #1848 Posted: Wed Mar 16, 2022 6:56 pm 
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Tygem: 커비라고해
This week's AYD game:



There were some mistakes, but after the opening, I felt somewhat comfortable.

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Post #1849 Posted: Wed Mar 16, 2022 7:00 pm 
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Highlights...

Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . B O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Didn't predict the marked move that much.

Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . W . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . X O X X . . . . , . . . . . X . . . |
$$ | . O O O X . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Move above is a misread. It's not a ladder breaker. Besides, I have no time to break ladders, locally.

---

This is the move of the game for me:
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . X . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . X O O . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . , . . . . . , . . . |
$$ | . . X O . W . . . O . . . . . . . . . |
$$ | . X . O . X O O X O X . . . . . . . . |
$$ | . . X X O . X O O X O O . . . . . . . |
$$ | . X O O O . X X X X O . . . . . . . . |
$$ | . O X X . X . X O O X X . . . . . . . |
$$ | O . O X X . X O . , O . . . . X . . . |
$$ | . O O O X . O O . . . . . . . . . . . |
$$ | . . O . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Looking through some variations, I might have given up on killing black. And killing black may have ended the game right then and there. But I couldn't read it all out.

So I relinquished a little bit.

My reading was off, but I like the psychology there. Normally, I go for it no matter what when the result is unclear. This time, I showed a little care.

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Post #1850 Posted: Thu Mar 17, 2022 12:43 pm 
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I saw Inseong's review of the game, and there was one obvious bit that was wrong that I missed with the reading here:

Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X W . . . . . . . . . . . . . . . . |
$$ | . O X . . . . . . . . . . . . . . . . |
$$ | . X O X X . . . . , . . . . . X . . . |
$$ | . O O O X . . . . . . . . . . . . . . |
$$ | . . O . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Namely, black could just do this:

Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 0 O . . . . . . . . . . . . . . . |
$$ | . 5 4 9 . . . . . . . . . . . . . . . |
$$ | . X O 7 . . . . . . . . . . . . . . . |
$$ | 1 3 X 2 8 . . . . . . . . . . . . . . |
$$ | . X O X X . . . . , . . . . . X . . . |
$$ | . O O O X . . . . . . . . . . . . . . |
$$ | . . O . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O O . . . . . . . . . . . . . . . |
$$ | . X O X . . . . . . . . . . . . . . . |
$$ | . X O X . 1 . . . . . . . . . . . . . |
$$ | X X X O O 2 3 . . . . . . . . . . . . |
$$ | . X O X X 4 5 . . , . . . . . X . . . |
$$ | . O O O X 6 8 9 . . . . . . . . . . . |
$$ | . . O . X 7 . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


You get the picture... So I missed this in my reading.

However, I think my mindset was still OK here, despite that Inseong said that I was not "cooling down" for this move. I believe I played rationally, thinking of several variations. I didn't consider the loose ladder, which is a reading weakness. But I was not playing aggressively just to play aggressively, which has been my problem in the past.

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Post #1851 Posted: Tue Mar 22, 2022 1:06 pm 
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I played a rated game on KGS for the first time in a long time. I did automatch and was paired against a 1d - I personally think he's stronger than that, because he hasn't played that many games.

Not really sure, but whatever the case, I got destroyed.

Here is the game:



I also noticed for the first time today that KGS has some sort of AI graph after the game... Kinda cool. Looking at the graph, I saw the lead from the no komi at the beginning, and later saw the graph drop. I don't want to pay too much attention to the AI, yet, before I think about the game myself a bit more.

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Post #1852 Posted: Tue Mar 22, 2022 1:18 pm 
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So what went wrong...?

Things started getting complicated around here:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . X X O O . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , O . . |
$$ | . . . O . B . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Incidentally, I just heard about this sequence from a guy I played in Ohio. According to him, black can play the move I played. That's where I got the idea for it.

Locally, the obvious shape weakness is if white plays here:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . X X O O . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , O . . |
$$ | . . . O . X W . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


But I'm thinking, during the game, if white plays there, I can do this:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . X X O O . . . . . . . . . . . . . |
$$ | . . . O C 2 1 . . , . . . . . , O . . |
$$ | . . . O 4 X C 5 . . . . . . . . . . . |
$$ | . . . . . . 3 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I lose a stone, he loses a stone. Seems reasonable.

But then what if he plays here?
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . X X O O . . . . . . . . . . . . . |
$$ | . . . O X 2 1 . . , . . . . . , O . . |
$$ | . . . O . X O 4 . . . . . . . . . . . |
$$ | . . . . . . 3 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Immediately locally, it seems like a conundrum, because white has some forcing moves:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . X X O O . . . . . . . . . . . . . |
$$ | . . . O X 2 1 . . , . . . . . , O . . |
$$ | . . . O 5 X O 4 . . . . . . . . . . . |
$$ | . . . 6 . C 3 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


The weakness at the marked area doesn't seem great... But it's OK, because I can play the ladder:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . X X O O 7 . . . . . . . . . . . . |
$$ | . . . O X 2 1 . . , . . . . . , O . . |
$$ | . . . O 5 X O 4 . . . . . . . . . . . |
$$ | . . . 6 . C 3 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So seems OK. I proceed with the game.

Just a couple of moves later, I've moved on a bit, and he peeps:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X . W . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . X X X O O . . . . . . . . . . . . . |
$$ | . O . O X . . . . , . . . . . , O . . |
$$ | . . . O . X . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Seems like just responding's gotta be the best thing locally. But then, that screws up the ladder I was thinking of:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X B W . . . . . . . . . . . . . |
$$ | . . . . X 8 . . . . . . . . . . . . . |
$$ | . . X X O O 7 . . . . . . . . . . . . |
$$ | . . . O X 2 1 . . , . . . . . , O . . |
$$ | . . . O 5 X O 4 . . . . . . . . . . . |
$$ | . . . 6 . C 3 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Doh.

So this was the first real problem where the game didn't flow the way I expected it to...

Why is that?

Potential reasons:
(1) I played something complicated that I wasn't familiar with.
(2) After reading locally, I stopped thinking about it after the board position changed.

---

Here's another one:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . . . . , . . . . . , . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . . O X . . . . . . . . . . . . . . |
$$ | . . O X X O . . O X . . . . . . . . . |
$$ | . . . . X B . . O X . . . . . . . . . |
$$ | . X X X O O O O X X . . . . . . . . . |
$$ | . O . O X X X X O O X . . . . , O . . |
$$ | . . . O O X O O O X . . . . . . . . . |
$$ | . . . O X X X X O O . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I knew I could surround the white stones like this. I even thought about the position that resulted from the game. But somehow, I didn't think about the fact that I wouldn't have enough liberties.

I felt the general position thinking ahead, but my awareness of the resulting liberties was bad.

As a result, I ended up here:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . O X . C X . , . . . . . , . . . |
$$ | . . . O X C O X O . . . . . . . . . . |
$$ | . . . O X C O O X X . . . . . . . . . |
$$ | . . O X X O C O O X . . . . . . . . . |
$$ | . . . . X X X O O X . . . . . . . . . |
$$ | . X X X O O O O X X . . . . . . . . . |
$$ | . O . O X X X X O O X . . . . , O . . |
$$ | . . . O O X O O O X . . . . . . . . . |
$$ | . . . O X X X X O O . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Alas, white has 4 liberties, and I have only three.

Later in the game, there are some minor reading mistakes, but psychologically, I've already fallen apart by now. I played aggressively to try to catch up, but it was no good.

Maybe a better strategy would be:
* Stay calm, though behind, and wait for an opening. Maybe there'd be another chance.

Just trying to push through aggressively after feeling behind made me overplay more and fall further behind...

So what are the overall takeaways?

(1) Reading mistakes were costly.
(2) I should investigate the pattern with that one space pincer.
(3) When behind, be calm and endure...

Problem with #3 is that sometimes my aggression works and I can make a comeback. I actually don't know what the stats would be if I compare post-screw-up aggression vs. post-screw-up calmness.

But given that I'm already on the aggressive side, maybe toning back wouldn't hurt.

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 Post subject: Re: Kirby's Study Journal
Post #1853 Posted: Tue Mar 22, 2022 1:21 pm 
Oza
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37 was a special move, which turned out badly, so the question is why not extend until it's gote and then tackle the corner. My gut says you win that fight.

65 was - with hindsight better placed at the turning point in the center, which would also have been sente, then you can attack the left side with a keima check.

Yes it was a battering but mostly a one way street from these moves. Some calibration of the fighting is due. Nothing to be ashamed of.

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Post #1854 Posted: Tue Mar 22, 2022 1:26 pm 
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Knotwilg wrote:
37 was a special move, which turned out badly, so the question is why not extend until it's gote and then tackle the corner. My gut says you win that fight.

65 was - with hindsight better placed at the turning point in the center, which would also have been sente, then you can attack the left side with a keima check.

Yes it was a battering but mostly a one way street from these moves. Some calibration of the fighting is due. Nothing to be ashamed of.



Thanks for commenting, Knotwilg. It's nice to have some dialog here.

I'm in agreement with both of your points.

I feel bad crawling so low with 37, but white is still weak in the corner, isn't he... If I get the corner, and white gets the outside, I suppose it's not so bad.

I can feel your comment regarding 65 even more strongly. The center was really important, and white breaking through was a disaster.

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Post #1855 Posted: Tue Mar 22, 2022 1:27 pm 
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Regarding this one:

(2) I should investigate the pattern with that one space pincer.

Maybe it'd be a good idea for me to try to play this pincer in upcoming games to try to force some experience with this pattern... Just have to remember that next game.

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Post #1856 Posted: Wed Mar 23, 2022 9:00 am 
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AYD game from today... I was black, and I got killed.

Clearly, I misread some things. Somehow, I still enjoyed the game. I didn't like dying, though.

Here's the game file - a few comments on it shortly.


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Post #1857 Posted: Wed Mar 23, 2022 9:19 am 
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Some thoughts.

Position 1
Maybe this is too far:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X O . |
$$ | . . . O . . . . . . . . . . . X O . . |
$$ | . . . , . . . . . , . . B . . X O O . |
$$ | . . . . . . . . . . . . . . . X O X . |
$$ | . . O . . . . . . . . . . . O O X O . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I say that because the sequence that happened next seemed pretty nice for white.

Click Here To Show Diagram Code
[go]$$W
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . 3 . . |
$$ | . . . . . . . . . . . . . . 2 1 C O . |
$$ | . . . O . . . . . . . . . . a X O . . |
$$ | . . . , . . . . . , . . X . . X O O . |
$$ | . . . . . . . . . . . . . . . X O X . |
$$ | . . O . . . . . . . . . . . O O X O . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , b . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Both 'a' and 'b' seem like decent places for white. If I extend, I can't say that I love it for black:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . 6 X O . O . |
$$ | . . . O . . . . . . . . . 4 2 X O . . |
$$ | . . . , . . . . . , . . X 5 3 X O O . |
$$ | . . . . . . . . . . . . . . . X O X . |
$$ | . . O . . . . . . . . . . . W W X O . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , 1 . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Yeah, his cutting stones are weak... But I haven't captured them, yet, and look at that territory that he got!

And when I protect again, like in the game, it seems overconcentrated, giving white the nice extension point:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . X O . O . |
$$ | . . . O . . . . . . . . . . . X O . . |
$$ | . . . , . . . . . , . . X . . X O O . |
$$ | . . . . . . . . . . . . . B . X O X . |
$$ | . . O . . . . . . . . . . . O O X O . |
$$ | . . . . . . . . . . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , W . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So it makes me feel that since I'm fighting with his cutting stones here, let's just be strong to begin with:

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


More solid, and the capture at 'a' doesn't seem as good for white.

----
Next up is this one:
Position 2
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . , . . X . . X O O . |
$$ | . . . O X . . . . X O B . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . . . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This is a naïve move, I suppose. I expected this:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . , 2 . X . . X O O . |
$$ | . . . O X . . . 3 X O 1 . X . X O X . |
$$ | . . O . O X . . . O X 4 . 7 O O X O . |
$$ | . . . . O X . . . . 5 6 . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Seemed reasonable, at least, to me.

Of course, his response put more pressure on the left group:

Click Here To Show Diagram Code
[go]$$W
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . 3 2 . X . . X O O . |
$$ | . . . O X . . . 1 X . X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . . . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


At this point, I think I played too aggressively. I didn't want to submit - "hey, he put a weak group in MY area!" was the thinking... But perhaps it's best to just move out with him:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . 3 4 O X . X . . X O O . |
$$ | . . . O X . . . O X 1 X . X . X O X . |
$$ | . . O . O X . 5 6 O X . . . O O X O . |
$$ | . . . . O X . . . 2 . . . . . . X X . |
$$ | . . . . O . . 7 . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Not great that he moves out, but hey - at least his group is still weak.

But no... I am too stubborn for that. And the sequence to follow hurt:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X X X . . X O O . |
$$ | . O . O X . W . O . O X . X . X O X . |
$$ | . . O . O X . . O O X . . . O O X O . |
$$ | . . . . O X . . X X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So the conclusion is:
(1) I tried to be forceful since it was in my area.
(2) I was too weak, and I snapped.

After this, I died. The remainder of the game is not super meaningful, because I was trying to simply catch up. So I don't want to focus on that part so much.

The takeaway from this game, I think, is... When things aren't going the way I want them to, I need to read things out and relent if the position is not looking good for me. Otherwise, I'll snap like I did this game.

However, I have a really hard time doing this. If the opponent invades or something and I am not getting sufficient profit because of a mistake that I made... I have a really hard time easing up to wait for another chance. It's really hard for me, psychologically. I feel some amount of pain in letting up.

This is a common story for me, but due to the emotions there, it's hard to let up. Hopefully, I can look at the board more objectively.

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 Post subject: Re: Kirby's Study Journal
Post #1858 Posted: Wed Mar 23, 2022 9:29 am 
Honinbo

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FWIW, KGS AI seems to think I am ahead until this move:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . . B O X . . . O . O X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


It says -70 there. Instead, it proposes this:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . B X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . . . O X . . . O . O X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]



But maybe more educational is the follow up that it proposes:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . 2 O O . . . . . . . . . . X O . O . |
$$ | . 1 X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . . . O X . . . O 3 . X . X . X O X . |
$$ | . . O . O X . . 4 O X . . . O O X O . |
$$ | . . . . O X . . 8 X . . . . . . X X . |
$$ | . . . . O 5 . . . . . . . . . . . . . |
$$ | . . . . 6 7 . . . . . . . . X X . . . |
$$ | . . W 0 9 . . . . , . . . . X O O . . |
$$ | . . B B . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Perhaps because of the ko threat the AI suggests, white can't hane:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . 2 O O . . . . . . . . . . X O . O . |
$$ | . 1 X O X . X . O . O . . . . X O . . |
$$ | . C O X X . . . . O X . X . . X O O . |
$$ | . . . O X . . . O 3 . X . X . X O X . |
$$ | . . O . O X . . 4 O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O 5 . . . . . . . . . . . . . |
$$ | . . . . C 6 . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Since there's aji in the marked area for the cut...?

This is just my guess.

But what I also want to take away from this was that the AI was OK with me not directly sealing white in:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . O O O . . . . . . . . . . X O . O . |
$$ | . X X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . . . O X . . . O X . X . X . X O X . |
$$ | . . O . O X . . O O X . . . O O X O . |
$$ | . . . . O X . . O X . . . . . . X X . |
$$ | . . . . O X . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X X . . . |
$$ | . . O O X . . . . , . . . . X O O . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I think this gives credence to the idea that I need to look ahead and relent a little bit if I cannot force the ideal position I wanted.

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Offline
 Post subject: Re: Kirby's Study Journal
Post #1859 Posted: Wed Mar 23, 2022 9:40 am 
Oza
User avatar

Posts: 2167
Location: Ghent, Belgium
Liked others: 324
Was liked: 948
Rank: KGS 2d OGS 1d Fox 4d
KGS: Artevelde
OGS: Knotwilg
Online playing schedule: UTC 18:00 - 22:00
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . . B O X . . . O . O X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Can you explain the thought process behind this move? Even in retrospect you don't seem to think it's a weird move, so there must be something that makes it look playable in your eyes (while in mine it's a nonsensical novice mistake). An artefact of liberty reducing throw-in tesuji perhaps?

Edit: sorry, now I see it. It's a ko threat!

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 Post subject: Re: Kirby's Study Journal
Post #1860 Posted: Wed Mar 23, 2022 10:30 am 
Honinbo

Posts: 9489
Liked others: 1599
Was liked: 1673
KGS: Kirby
Tygem: 커비라고해
Knotwilg wrote:
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . . B O X . . . O . O X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Can you explain the thought process behind this move? Even in retrospect you don't seem to think it's a weird move, so there must be something that makes it look playable in your eyes (while in mine it's a nonsensical novice mistake). An artefact of liberty reducing throw-in tesuji perhaps?

Edit: sorry, now I see it. It's a ko threat!


Yeah, the intention was a ko threat. But the AI seems to think that this one is much better:


Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . B X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . . . O X . . . O . O X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


In the game, I actually considered the suggested ko threat, however, it seemed more possible that white could ignore it... But this WOULD be pretty big for black:


Click Here To Show Diagram Code
[go]$$W
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . 4 O O . . . . . . . . . . X O . O . |
$$ | . B X O X . X . O . O . . . . X O . . |
$$ | . 2 O X X . . . . O C 1 X . . X O O . |
$$ | . . 3 O X . . . O . O X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I suppose after my ko threat, white is pretty strong and there's less aji:

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . O O . . . . . . . . . . X O . O . |
$$ | . . X O X . X . O . O . . . . X O . . |
$$ | . . O X X . . . . O X . X . . X O O . |
$$ | . W C O X . . . O . O X . X . X O X . |
$$ | . . O . O X . . . O X . . . O O X O . |
$$ | . . . . O X . . . X . . . . . . X X . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . X X . . . |
$$ | . . . , . . . . . , . . . . X O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . O . . |
$$ | . . O , . . . . . , . . . O O , . . . |
$$ | . . . . X . . . . . . . X . X X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

_________________
be immersed

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