#76: CSamurai (5k) vs fwiffo(4k)

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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

@aphelion:
Yeah, that was actually the first move I considered. But I don't like the shape. What if black responds with the hane on top? That makes me uncomfortable. This gives me more surface area for running. Also, buy cutting down to the second line, I keep black separated for sure, and even start to make potential for an eye along the edge if needed. It's also just as effective for pressuring the two black stones below, as we can see, black felt the needed a move here.


Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . X . . |
$$ | . O O . . . . . . . . . . . . . 2 . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

The kick will make the black group more inefficient. I'm thinking about some follow-ups that will secure my corner 100%, but I want to make sure they're sente. Once my corner is secure, an extension along the bottom side becomes a lot smaller and I can deal with the extension I want on the left or do something at the top.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by Aphelion »

Fwiffo:

Unless I misread, the tiger's mouth was sente to capture two black stones, so black cannot hane on top.


Edit: damn swype.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

Oh yeah, I thought about some alternate moves that threatened to capture those two stones, but they had problems. Ooops.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by CSamurai »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . 3 X . . |
$$ | . O O . . . . . . . . . . . . . O . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


In retrospect, I probably should have played r10 rather than r9. Here's why:

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X 1 . . |
$$ | . . . . . . . . . . . . . . . 6 . . . |
$$ | . . O . . . . . . . . . . . 7 3 2 . . |
$$ | . . . . . . . . . . . . . . . 4 5 . . |
$$ | . . X . . . . . . . . . . . . . X . . |
$$ | . O O . . . . . . . . . . . . . . . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


The threat here is neutralized by playing the iron pillar. It's a little undercut, so maybe white could have caused trouble later in the game, but..
Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . 1 . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . 3 X . . |
$$ | . O O . . . . . . . . . . . . . 2 . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Move 41 invites the kick to make me overconcentrated. Well, it's a minor setback, and doesn't reduce the aji in the corner much, so we'll see how it goes.
After my move, white needs to play a move on the bottom, I think, but they've got sente, so we'll see.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . 4 . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . . . . O . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

I wanted to make another move in the lower right to close the corner, but it wouldn't be sente. I'll get it when I can. This move feels kinda urgent, because that pincer joseki ends with a lot of aji. And it's almost sente against the black group because now a move like B18 becomes quite painful for him. His extension was much too close.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by CSamurai »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . . . . O . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . . . . . 5 . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]



While white's move is big, it's not urgent to respond to it. There's still aji at c6, and the bottom is wide open. 45 may be overplay. But here's why I played it.

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . 4 . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . . . . O . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . b . 5 . a . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This 45 is safer, but feels slack. It allows white to play around A to pressure B. There's no pressure on white's corner to do anything.

In contrast..

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . 4 . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . c . 7 . . . . O . . |
$$ | . X O O O b . . . , . . . . . O . . . |
$$ | . X X X . X . . . 6 . 5 . O . . a . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Black's 46 is floating, without a base. He can play B, to try to keep connected. He can play C to run out, but it's a weak group any way you slice it. White also has the problem that this line directly threatens the invasion at A.

If white fixes the corner..
Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . 4 . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . 6 . . O . . |
$$ | . X O O O . . . 7 , . . . . . O . . . |
$$ | . X X X . X . . . . . 5 . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


7 provides nice symetry and pushes me out into the center. I feel fairly confident that 5 is the correct play, but I often seem to be overplaying when I think I'm being correct.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . 6 . . O . . |
$$ | . X O O O . . . . , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

I don't want to get shut in, so I'm going to jump out in the obvious way. Because black's right side group is weak, I think :b45: was a mistake. If he does something with that stone, I can attack the right, and vice versa. I'm eyeing S5 and K3.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by CSamurai »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . 6 . . O . . |
$$ | . X O O O . . . 7 , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Not a lot to say about this. White gets sente out of this exchange, but I'm not sure what they'll do with it. There are two major things hanging out on the board soon, and if white fixes one, I'll take the other.

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . 8 . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 9 X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O . . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

48 and 49 are the general areas left to exploit. If white plays 48 to solidify the top, I'll play 49. If white plays a honte move to fix the aji of 49, I'll play the split that 48 fixes. I think this should still leave me a little ahead.

We're getting to the point where the game will likely devolve into a rather large knife fight.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O 8 . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This is sente now. I can attack the right side group strongly.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by CSamurai »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . 9 . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O O . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So, Uhm. Yeah. This wasn't what I expected at all. Granted, it fixes his corner, and pressures my group a little, but it makes me fix the group in a way that weakens his weak group. That's.. generally not great. So anyway, I'll play this to ensure I have a route to the center, and pressure white's weak, no eyed group a little.

No diagrams, because I really have no idea what white will do now. :)
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

Click Here To Show Diagram Code
[go]$$cm41 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . . . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . 0 . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . X . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O O . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Strengthen my group by threatening to seal his in. If he tries to run toward the bottom, I can lean on the bottom side to keep him separated and keep the attack going. Then maybe I can develop the top or even attack his left side group.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by CSamurai »

Very sorry for the lateness of this response. Some RL stuff happened wednesday night, and I spent all day yesterday drowning my worries in Starcraft.

Anyway, let's see what I can figure out for my next move.

Click Here To Show Diagram Code
[go]$$cm51 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . 1 . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . . . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . O . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . X . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O O . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I'm not at all sure about this move. My group isn't enclosed, but it's in vague danger of being enclosed. On the other hand, there's at least one eye there, no matter what white does, so that means it just has to be able to escape. Continuing to run doesn't continue pressure on the weak group of white's, so continuing to play locally should only be done if it is urgent. I don't /think/ it is, but this is the sort of thing that I'm often wrong about.

I have chosen a move which should allow me to weaken several groups of white's at once. The top, the weak group that he's running with, and the weak white stone all are under attack. How white responds will tell me a lot about his priorities in this game. More analysis later when I'm not stuffed full of Starcraft/anxiety.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

Click Here To Show Diagram Code
[go]$$cm51 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . e . . . . . . . |
$$ | . . X O . . . x . O . 1 . W . X . . . |
$$ | . . X , . O . . . , . d a . . X . . . |
$$ | . . . X . . . . . g . . . b X X . . . |
$$ | . . . . . . . . . . . . c . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . O . O . . . . |
$$ | . . . , . . . . . , . . . . . X . f . |
$$ | . . . . . . . . . . . . . X . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O O . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

These are the moves I have in mind, and there's a lot of them, so it's gonna take a little time for this move.

The diagonal at a is the sorta obvious move, because it keeps black separated, but it's awfully aggressive considering how strong black is here. My weakish group on the right would be severely threatened if I tried too hard to attack :b51:. But keeping your opponent separated is such a valuable thing... Gonna have to read that one carefully.

The move at b is somewhat attractive. Yes, black could connect underneath, and I'm kinda thin, but it still feels like it would be good. I have to do some reading, but I think it's going to end up being too thin.

I also may just move out with c. It threatens to make the diagonal at a work, and I can sacrifice :wc: to make my right side group strong. It doesn't give up that much territory.

If I really want to save :wc: I can connect underneath or over-top with d or e. But they have the same problems as a and if I go do something else those are good moves to save for later.

Another move that comes to mind is f because it appears to make an eye.. Black hasn't really stabilized that right side group completely. It's slighly behind enemy lines, though it has a fair amount of space to work in now. But the more I look at it, the less sure I am that I get a real eye out of it.

Finally, I want to consider something like g. :b51: activates another invasion like x, and that would be completely intolerable. I'm quite thin here. It might be a good way to sacrifice :wc: because it helps give my right side group a place to run to and also indirectly attacks the left side black group.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by fwiffo »

Click Here To Show Diagram Code
[go]$$cm51 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . X . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . 2 . . . . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . O . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . X . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O O . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

This is one of those things where I just don't feel confident that I understand the direction of the game. Did I make a mistake giving black this much territory? Was it worth it to break up the right side?

Anyhow, I think this is good because it guards a large area for me, leaves the connection underneath open unless black spends a move to kill one stone, threatens the left side group, reaches out to my right side group, etc.
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Re: #76: CSamurai (5k) vs fwiffo(4k)

Post by CSamurai »

Click Here To Show Diagram Code
[go]$$cm51 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . X . O . X . . . |
$$ | . . X , . O . . . , . . . . . X . . . |
$$ | . . . X . . . . . O . . 3 . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . . . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . O . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . X . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O O . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


My opponent is playing cautiously. White has chosen to try to solidify the top. This weakens his group on the right a bit. My move may seem a bit loose because of the following sequence:

Click Here To Show Diagram Code
[go]$$cm51 Prisoner Count: B-0 W-0.5
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . O . X 6 O . X . . . |
$$ | . . X , . O . . . , . 4 5 . . X . . . |
$$ | . . . X . . . . . 2 . . 3 . X X . . . |
$$ | . . . . . . . . . . . . . . O X O X . |
$$ | . . X . . . . . . . . . 7 . O O X X . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . O . . . . . . . . . O . O . . . . |
$$ | . . . , . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . X . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . X X . . |
$$ | . O O . . . . . . . . . . O . . O O . |
$$ | . X O O O . . . X , . . . . . O . . . |
$$ | . X X X . X . . . . . X . O . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


but if white attacks my stone severely, my counter attack on their group is much more harsh. If white plays to protect his weak group, my attack is safe.

We'll see how white responds.
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