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Numsgil vs me on KGS
http://www.lifein19x19.com/viewtopic.php?f=4&t=4206
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Author:  emeraldemon [ Sat Jul 09, 2011 7:20 pm ]
Post subject:  Numsgil vs me on KGS

I assume this is the same Numsgil :)




Added some comments, any input from stronger players would be great.

Attachments:
Numsgil-greendemon.sgf [6.79 KiB]
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Author:  Dusk Eagle [ Sun Jul 10, 2011 11:15 am ]
Post subject:  Re: Numsgil vs me on KGS

Well, I can't speak from authority, but here are a few of my thoughts on the opening.

:w10: : It might be okay, but I don't really like it, because I can't figure out how to use it all that well after :b11:. I'd rather do something like C9 or C8. For instance, if you play C9 and black plays C11, D6 is a better point for white than in the actual game.

:w12: : I think the kick isn't so good here. Kicking strengthens black, which white shouldn't be doing given how weak is C10 stone is. I like F3 the most here - you can give up C10 for now, and it's difficult for black to capture it efficiently.

:w14: is a must.

:b19: : Not a fan of this move. It doesn't affect any of white's groups, doesn't grow your area, and only somewhat protects the corner. What about playing N17 or M17 (not sure which is better), forcing white to play a two-space extension, followed by P10? This grows your area and threatens (remember the nerai discussion?) the invasion at R6. It also doesn't allow white to expand the bottom as well in the future.

:b25: : P17 instead would be very bad. White's K17 stone would look so perfectly placed from the two-stone wall. I would probably play Q17 here.

:b27: : Wrong direction to block. Since this joseki ends in gote and you already have a stone at R13, your wall looks completely useless. Whereas if you block the other way, your R13 stone is actually useful and in addition you may be able to threaten white's two-space extension in the future.

Author:  Numsgil [ Sun Jul 10, 2011 11:18 am ]
Post subject:  Re: Numsgil vs me on KGS

Yes, was me :) Didn't realize it was you until after the game.

If it's any consolation, this was the start of a winning streak for me :P

Author:  Numsgil [ Sun Jul 10, 2011 11:39 am ]
Post subject:  Re: Numsgil vs me on KGS

Some thoughts from the other end of the board:

:b33: was good timing, I thought. In game I was debating whether I should connect under now or secure another weakness elsewhere on the board.

:b103: I think I was winning before this, but I lost too many points, and access to the center, after all was said and done. I'm never good at defending against these "should have defended before, now you have a serious leak in your dike" type moves. Would 3-3 be better? Allow black some second line moves to secure the rest safely? Or maybe not.

:w110: I was concerned about the hane at A7, possibly leading to a nasty ko or just outright death.

:w126: yeah, I misread. Would have been better to leave this as a trap and if some stones around O11 came into existence, spring the trap!

Author:  EdLee [ Sun Jul 10, 2011 1:19 pm ]
Post subject: 

Numsgil wrote:
:b103: ...
:w110: ...
:w126: ...
Unfortunately I think move emoticons currently only go up to 100 ( :b100: :w100:) max. :-|

Author:  Numsgil [ Sun Jul 10, 2011 1:35 pm ]
Post subject:  Re: Numsgil vs me on KGS

:(

At least that one works :P

Author:  Numsgil [ Sun Jul 10, 2011 1:41 pm ]
Post subject:  Re: Numsgil vs me on KGS

Dusk Eagle wrote:
:w10: : It might be okay, but I don't really like it, because I can't figure out how to use it all that well after :b11:. I'd rather do something like C9 or C8. For instance, if you play C9 and black plays C11, D6 is a better point for white than in the actual game.


I agree it becomes hard to make useful after :b11:. I've been going through Yilun Yang's "Luctures" series, and the 2nd one talks about pincers, and making them multipurpose. I think the idea was right, but I played too soft. Maybe a two space pincer would be better? A one space pincer gives black too nice a way to secure the left side IMO, so I didn't like that. Playing high is also easily discounted for the same reason.

Author:  Loons [ Sun Jul 10, 2011 7:13 pm ]
Post subject:  Re: Numsgil vs me on KGS

I find the situation interesting for both players after :b11: : But I think DuskEagle is really right that you need to be careful about kicking when your pincering stone is not secure. My moves of choice for white would probably have been F4 or E10, after which I think all the stones have clear meaning.

What were players' thoughts afterwards about a different eg. :b89: ?

Author:  emeraldemon [ Mon Jul 11, 2011 6:36 am ]
Post subject:  Re: Numsgil vs me on KGS

Loons wrote:
I find the situation interesting for both players after :b11: : But I think DuskEagle is really right that you need to be careful about kicking when your pincering stone is not secure. My moves of choice for white would probably have been F4 or E10, after which I think all the stones have clear meaning.

What were players' thoughts afterwards about a different eg. :b89: ?


I didn't think about it too much during the game, but it looks like maybe there's problems with blocking on the other side, letting :w4: in sente is a bit painful.

Click Here To Show Diagram Code
[go]$$Bcm1 Position at move 88
$$ ---------------------------------------
$$ | . . . . . X . . X . . . . . . . . . . |
$$ | . . . . X O X X . X X . . O . . . . . |
$$ | . . . X . O O O X O . X O O . O O . . |
$$ | . . . X O . . O X O . X O X X X X . . |
$$ | . . . X O X X O O O O O X . . . . . . |
$$ | . . . . X . O . . . O X X . . . . . . |
$$ | . 3 5 . . 9 . . O . X O X . . . X . . |
$$ | . O X 4 8 X . . . O . O X . . . . . . |
$$ | . 1 2 O 7 6 . . X . . O . . . . . . . |
$$ | . . O , X . . . . , . . . . X , X . . |
$$ | . . . . 0 . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . O . O . . |
$$ | . O . . X . . . . . . . . . . . . . . |
$$ | . X X X . O . . . . . . . . . . . . . |
$$ | . . O . . . . . . X . . . X . O . . . |
$$ | . . . O . O . . . , . . . . . , O . . |
$$ | . . . . . . . O . X . . X . O . . . . |
$$ | . . . . . . . . O X . . X O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Author:  Numsgil [ Mon Jul 11, 2011 3:04 pm ]
Post subject:  Re: Numsgil vs me on KGS

In game I had convinced myself that I could handle 1 in your diagram. Actually, I was expecting it. I forget the exact idea I had in mind, though. Maybe some sort of tailless salamander play (I don't think I'd have played 2 in your diagram). But then B7 would've been aji keshi.

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