63. Kerby (2k) vs. Numsgil (6k)

User avatar
Kerby
Dies with sente
Posts: 95
Joined: Sat Jun 05, 2010 11:24 am
Rank: KGS-AGA-CGA all 2k
GD Posts: 0
Location: Canada
Been thanked: 3 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Kerby »

Click Here To Show Diagram Code
[go]$$Wcm42 Move 42 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O 1 X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


No other move. I can't let him just cut me apart.
"You always have more ko threats then me" -Dusk Eagle
User avatar
Numsgil
Lives in gote
Posts: 614
Joined: Wed Apr 21, 2010 10:07 am
Rank: 1 Kyu KGS
GD Posts: 0
KGS: Numsgil
Has thanked: 28 times
Been thanked: 65 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Numsgil »

Click Here To Show Diagram Code
[go]$$Bcm43 Move 43 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 1 . . . . . . . . . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts
White is playing very solidly to prevent any weaknesses I can exploit later. But I feel strong enough on the right side to leave it as is and take sente to do something with the top left.

The choice is between something to secure the corner and something to work the top side. The corner is more secure territory so I'm going to grab that. White can't really build anything up too big in the center with my strong black group on the right side. The top side is pretty much dame if white hanes against me or something, but grabbing the corner is more than enough compensation.

This is strictly gote (well, technically more like reverse sente). White is free to respond on the top side or find some other large point.

I play the knights move here instead of the push at C16 because of contact fight rules, which would discourage contact moves against super stable, stronger stones. Maybe I'm losing out on a few points here by not aiming bigger; I'm not really sure.

Also, my group on the right side is thick right now, but it wouldn't take much to make it suddenly a weak, heavy group. So I'll need to keep an eye on it in the future.
User avatar
Dusk Eagle
Gosei
Posts: 1758
Joined: Tue Apr 20, 2010 4:02 pm
Rank: 4d
GD Posts: 0
Has thanked: 378 times
Been thanked: 375 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Dusk Eagle »

Surely Contact Fights teaches that in pushing battles, it's important to keep ahead.

Click Here To Show Diagram Code
[go]$$Bcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . X . . . . . |
$$ | . . . X X X 1 . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 1 3 . . . 5 6 . . . . . X . . . . . |
$$ | . . 2 X X X 4 . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]

"Hane at the head of two or three stones" as the proverb says.
We don't know who we are; we don't know where we are.
Each of us woke up one moment and here we were in the darkness.
We're nameless things with no memory; no knowledge of what went before,
No understanding of what is now, no knowledge of what will be.
User avatar
Kerby
Dies with sente
Posts: 95
Joined: Sat Jun 05, 2010 11:24 am
Rank: KGS-AGA-CGA all 2k
GD Posts: 0
Location: Canada
Been thanked: 3 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Kerby »

Click Here To Show Diagram Code
[go]$$Wcm44 Move 44 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . 1 . . . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


After considering a few different alternatives I like this one the best. Here were some other ideas:
Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . c . a . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . b . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . d . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


at first I thought I'd just like to split up his top area with a move like "a" but it is just bad fighting for me, and he gets solid very quickly:
Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . 2 . 1 . 3 . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . 4 . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


I also thought about expanding on the side with "b" in hopes he would respond and then split up the top.

Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . . . . . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . 2 . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . 1 . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


but he might respond differently which I can't have.

Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . . . . . . . X . . . . . |
$$ | . . . X X X . . . 4 . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . 2 . . |
$$ | . . . . . . . . . . . . . . . 3 1 . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


I like "c" because the fighting isn't bad for me and it splits him up well

Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . 7 . 1 . 2 . . . X . . . . . |
$$ | . . . X X X 3 . . , . . . . . X . . . |
$$ | . . O O O O 4 5 . . . . . . . . . . . |
$$ | . . . . . . 6 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . 1 . . 3 . . X . . . . . |
$$ | . . . X X X 2 . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]

If he chooses this option I'll decide on a or b. b is safer, but a might be able to snag extra territory.
Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . a 1 . . . . . X . . . . . |
$$ | . . . X X X . 2 b , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


as for "d" its a big move that I would like to have, but not as urgent as the top. I don't feel I can trade 1 for 2 here

Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . . . . . . . X . . . . . |
$$ | . . . X X X . . . 2 . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . 1 . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


soon I will have to worry about my side being split, but not quite yet.
"You always have more ko threats then me" -Dusk Eagle
Kirby
Honinbo
Posts: 9553
Joined: Wed Feb 24, 2010 6:04 pm
GD Posts: 0
KGS: Kirby
Tygem: 커비라고해
Has thanked: 1583 times
Been thanked: 1707 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Kirby »

Question for observers:

Kerby wrote:
Click Here To Show Diagram Code
[go]$$Wcm40 Move 40 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . 1 . X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


And so a battle begins.


Pushing at O10 without cutting feels somewhat unnatural to me. If white wants to play O8, can he not simply play it directly? If black tries to cut at O9, white has more liberties that way. If black tries to cut the other way (P9), black can THEN play the move that he did before this one (O10).

Does anybody else feel this way?
be immersed
User avatar
Numsgil
Lives in gote
Posts: 614
Joined: Wed Apr 21, 2010 10:07 am
Rank: 1 Kyu KGS
GD Posts: 0
KGS: Numsgil
Has thanked: 28 times
Been thanked: 65 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Numsgil »

Click Here To Show Diagram Code
[go]$$Bcm45 Move 45 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . O . 1 . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts
Yeah, something like those two points were miai.

I'm not really sure how to handle this. There's no aji to exploit under my stones on this side of the corner, so white would have a hard time trying to live under these stones. But at the same time I sort of need a base for my stones. Although if white steals my base and forces me to run towards the center I'll be destroying a lot of his moyo. I don't think it's considered a good idea for white to do that.

Anyway, if we treat this space under my 4th lines stones as dangerous for white, a pincer here looks pretty good. I build up a bit of a moyo along the top (yay) and white's group is in trouble. White can't really counter pincer, because then he has two weak groups sandwiching my weak group, and a weak group sandwich is usually good for the filling(TM).

I also considered just extending from my group in to his elephant's eye, but I feel like that encourages white to start walling off more of the center, with questionable effects on his third line stone. Even if I capture this white stone, I think white gets the better of that deal.


Tactics and Variations
This is what I expect, I think, if white wants to try and save this stone. A slide first (I think this is as far as white dare go), followed by either a jump to the center or the hane on my stones. A cut doesn't seem to favor me here. Then I decide between 'a', 'b', or 'c'.

'a' Plays it safe and ensures there isn't any aji that white can exploit later. Which is good. I'm not sure if it's necessary or not, though.
'b' Creates a moyo on the right side, jumping in to the center to try and also (really) lightly reduce white's moyo.
'c' is like 'b', but creates solid territory instead of a moyo (though the 3-3 is still invadable I believe). Given that I already have lots of solid territory, 'c' feels a bit redundant.

I'll probably chose 'b', and aim to take 'a' as soon as I can. The aji in this corner worries me. I could be worrying unnecessarily, but the loss of this corner would be devestating. So with an expected value type of reasoning, 'a' is a big move for me. I don't mind burning sente and digging in to my reverse komi for it when I have a chance.

...

On a strategic level, in this position, the corner ends up enclosed, which is bad. But in compensation I've grabbed territory on the 4th line (good) and built a bit of a moyo on the right side. White's move becomes effectively a reduction against what wasn't really a moyo before. I think instead of worrying about me white needs to build up his own moyo with a move at E7 or something like C9 (safety extension from both sides of his moyo, though maybe too consservative). Or take the stone at O3. That aji is killing a lot of potential power down there.

Click Here To Show Diagram Code
[go]$$Bc1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . 3 2 . . . . . . . . . . . . . |
$$ | . X . . . . . O . 1 . . . X . . . . . |
$$ | . . a X X X 4 . . , . c . . . X . . . |
$$ | . . O O O O . . . b . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


More Strategy and Thoughts
Speaking of overly safe moves, I really want to get back here and play shape at 'd'. This group is not in immediate danger, but I don't feel good about making any invasions or reductions until all my groups are safe and solid.
Click Here To Show Diagram Code
[go]$$Bc1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . O . . . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , d . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]
User avatar
daniel_the_smith
Gosei
Posts: 2116
Joined: Wed Apr 21, 2010 8:51 am
Rank: 2d AGA
GD Posts: 1193
KGS: lavalamp
Tygem: imapenguin
IGS: lavalamp
OGS: daniel_the_smith
Location: Silicon Valley
Has thanked: 152 times
Been thanked: 330 times
Contact:

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by daniel_the_smith »

This game looks really weird to me, as if the players are playing a bunch of little mini games that all happen to be located on the same board. Is it just me?
That which can be destroyed by the truth should be.
--
My (sadly neglected, but not forgotten) project: http://dailyjoseki.com
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by dfan »

I would have played here in a second.
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . O . . . . . X . . . . . |
$$ | . . . X X X 1 . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]

Which is not to say that that's the best move! But I really really don't want to get sealed in as Black, especially since that group already has a bunch of weaknesses. Also, what will Black do in the game if White hanes? If he does this:
Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . 4 1 . 2 . . . X . . . . . |
$$ | . . . X X X 3 . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]

then it kind of implies that he would have done this:
Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . 2 3 . 4 . . . X . . . . . |
$$ | . . . X X X 1 . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]

which seems ridiculous. But if he can't counter-hane, his whole position looks pretty bad.
User avatar
Kerby
Dies with sente
Posts: 95
Joined: Sat Jun 05, 2010 11:24 am
Rank: KGS-AGA-CGA all 2k
GD Posts: 0
Location: Canada
Been thanked: 3 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Kerby »

Click Here To Show Diagram Code
[go]$$Wcm46 Move 46 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . O . X . . . X . . . . . |
$$ | . . . X X X 1 . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Time to fight! After a less then satisfactory opening I hope middle game fighting goes my way. I can only count on gaining pennies here and there in endgame in end game, real cash will have to be made in middle game.

I assume something like this will happen with perhaps a peep at "a" or "b" tossed into the mix somewhere:
Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . 8 . b . . . . . . . . . . . . |
$$ | . X . . . 5 . O . X . . . X . . . . . |
$$ | . . 6 X X X 1 . a , . . . . . X . . . |
$$ | . 7 O O O O 2 3 . . . . . . . . . . . |
$$ | . . . . . . 4 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]
"You always have more ko threats then me" -Dusk Eagle
User avatar
Numsgil
Lives in gote
Posts: 614
Joined: Wed Apr 21, 2010 10:07 am
Rank: 1 Kyu KGS
GD Posts: 0
KGS: Numsgil
Has thanked: 28 times
Been thanked: 65 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Numsgil »

Click Here To Show Diagram Code
[go]$$Bcm47 Move 47 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . 1 . . . . . . . . . . . . . . |
$$ | . X . . . . . O . X . . . X . . . . . |
$$ | . . . X X X O . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts
Yeah, okay. This instead of/before a slide so I have to burn a move if I want to defend. And no, I really don't want to leave this just yet. Can white counter pincer/invade now against my K17 stone? Maybe. I don't think the resulting fight between weak groups really favors either player. We would both end up really hurting each other's positions. I would build a nice wall up into white' center moyo, and white gets a nice wall facing the right side, which is still a bit weak and invadeable. If white's looking to complicate things to force me into a mistake, this is how he should do it.

...

This move (E18), or one to the right? This is normally the shape move. But along the edge I'm not sure if it's necessary. But one to the right leaves some sente harassing sequences for white. Worse case I'm just giving up a few end game points, I think, so I don't mind playing it safe and solid. With this move and no corresponding white stone at F18, I feel safe enough leaving the corner.

...

Again, yeah, I'm locked in the corner, which is bad strategically. But it's a big corner. And white really needs to urgently do something with this wall to make it count for something. As it is the wall is a bit too far away from the other side to be secure from invasions which can run out into the center. And now that I have some stones in the center I have a good base to run towards with invasions/weak groups.

And with black's solid corner the cut at G15 would worry me if I were white. So white has miai weaknesses here basically which I can exploit later.
dfan
Gosei
Posts: 1598
Joined: Wed Apr 21, 2010 8:49 am
Rank: AGA 2k Fox 3d
GD Posts: 61
KGS: dfan
Has thanked: 891 times
Been thanked: 534 times
Contact:

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by dfan »

Numsgil wrote:Again, yeah, I'm locked in the corner, which is bad strategically. But it's a big corner.

Is it really?
Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | a a a a . . . . . . . . . . . . . . . |
$$ | a a a a X . . . . . . . . . . . . . . |
$$ | . X . a . . . O . X . . . X . . . . . |
$$ | . . . X X X O . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . b b b . . . . . . . . . . . . . . |
$$ | . . b b b . . . . . . . . . . . . . . |
$$ | . . b b b . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]

I'm not saying that's White's territory yet, but comparing those two sets of 9 points each makes me a lot more interested in White's position than in Black's.
User avatar
Joaz Banbeck
Judan
Posts: 5546
Joined: Sun Dec 06, 2009 11:30 am
Rank: 1D AGA
GD Posts: 1512
Kaya handle: Test
Location: Banbeck Vale
Has thanked: 1080 times
Been thanked: 1434 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Joaz Banbeck »

Kirby wrote:Question for observers:

Click Here To Show Diagram Code
[go]$$Wcm40 Move 40 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . X . . . . . |
$$ | . . . X X X . . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . 1 . X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Pushing at O10 without cutting feels somewhat unnatural to me. ...
Does anybody else feel this way?


Yes. White must cut at N11.
Help make L19 more organized. Make an index: https://lifein19x19.com/viewtopic.php?f=14&t=5207
User avatar
Kerby
Dies with sente
Posts: 95
Joined: Sat Jun 05, 2010 11:24 am
Rank: KGS-AGA-CGA all 2k
GD Posts: 0
Location: Canada
Been thanked: 3 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Kerby »

Click Here To Show Diagram Code
[go]$$Wcm48 Move 48 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . X . . . . . O . X . . . X . . . . . |
$$ | . . . X X X O . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . 1 . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


After much pondering I've decided to not protect the cut. I feel if I protect it Nums will get 2 moves on the side and shatter any territory I have there. He would get a free ladder breaker then a second move. I will take my chances with a fight. I hope he starts the fight instead of taking an extension on the other side. I don't think I can overcome the reverse komi if he solidly extends somewhere around "a", even now I am pretty skeptical that I can. He has a lot of solid points. I can reduce the bottom corners decently come end game, but the top is getting harder.

I don't want this:
Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . X . . . . . O . X . . . X . . . . . |
$$ | . . . X X X O . . , . . . . . X . . . |
$$ | . . O O O O 1 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . a . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . 2 . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . 4 . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . 3 O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]
"You always have more ko threats then me" -Dusk Eagle
hyperpape
Tengen
Posts: 4382
Joined: Thu May 06, 2010 3:24 pm
Rank: AGA 3k
GD Posts: 65
OGS: Hyperpape 4k
Location: Caldas da Rainha, Portugal
Has thanked: 499 times
Been thanked: 727 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by hyperpape »

Kerby wrote:
Click Here To Show Diagram Code
[go]$$Wcm48 Move 48 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . X . . . . . O . X . . . X . . . . . |
$$ | . . . X X X O . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . 1 . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


After much pondering I've decided to not protect the cut. I feel if I protect it Nums will get 2 moves on the side and shatter any territory I have there. He would get a free ladder breaker then a second move. I will take my chances with a fight. I hope he starts the fight instead of taking an extension on the other side. I don't think I can overcome the reverse komi if he solidly extends somewhere around "a", even now I am pretty skeptical that I can. He has a lot of solid points. I can reduce the bottom corners decently come end game, but the top is getting harder.

I don't want this:
Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . X . . . . . O . X . . . X . . . . . |
$$ | . . . X X X O . . , . . . . . X . . . |
$$ | . . O O O O 1 . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . a . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . 2 . . . . . . . . X X . O . . . |
$$ | . . . , . . . . . , . . X O O , . . . |
$$ | . 4 . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . 3 O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Definitely agree. Especially with the reinforcement on the left, white shouldn't fear the cut.
User avatar
Numsgil
Lives in gote
Posts: 614
Joined: Wed Apr 21, 2010 10:07 am
Rank: 1 Kyu KGS
GD Posts: 0
KGS: Numsgil
Has thanked: 28 times
Been thanked: 65 times

Re: 63. Kerby (2k) vs. Numsgil (6k)

Post by Numsgil »

Click Here To Show Diagram Code
[go]$$Bcm49 Move 49 Captures: W: 1 B: 1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . X . . . . . O . X . . . X . . . . . |
$$ | . . . X X X O . . , . . . . . X . . . |
$$ | . . O O O O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . X X . O . . . |
$$ | . . . O . . . . . , . . X O O , . . . |
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . . . . O O X . . . |
$$ | . O . . . . . . . . . 1 . . . . . . . |
$$ | O . O . . . . . . . . . . . . . . . . |
$$ | . O X X . . . . . . . . . . . O . . . |
$$ | . X O , X . . O . , . . . . O , . . . |
$$ | . . X . . . . . . . . . O X O X . . . |
$$ | . . . . . . . . . . . . . O X . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts
Yes, something like this is an important move for white. Good job. :P

I'm going to activate the aji of the O3 stone with a ladder breaker/moyo reduction in sente. Then I'll jump back up top strengthen my K17 stone.


Tactics and Variations
I don't think white can capture this stone in a net. So a ladder breaker is a pain in the butt for him. This stone, if it lives, cuts white in two pretty effectively, so white doesn't want that to happen.

This is the best white can do with a net, I think. This builds up some nice influence for white, but it also enlarges the corner for black by quite a bit. And there are still some dangerous cutting points.

Anyway, we'll see what white decides to do.

Click Here To Show Diagram Code
[go]$$Bc1
$$ . . . . . . . . . . |
$$ . . . . 4 6 . . . . |
$$ . . . 2 3 5 O . . . |
$$ , . . 8 1 C 7 . . . |
$$ . . . O X C X . . . |
$$ . . . . O X . X . . |
$$ . . . . . . X . . . |
$$ -------------------[/go]
Post Reply