I imagine Magicwand gave a more definitive answer already but anyway;
A brief verbose chronology: 43 : I felt top represented enough points for me to win the game.
45 : White just took the extremely large point at c11, and black has no severe followup on the right, which I had misjudged.
47 : Still the only 'good' way I can see to build the centre from top.
50 - 51 : White plays a harsh reduction / limiting move against black's centre, which he has dedicated too many stones to to win another way. Somewhat panicked, black hopes to incite a fight.
54 - 55 : White plays a thick tenuki for 54, allowing black to isolate the centre stones.
To present : White acquiesces to living locally and black gets a wall facing his previously thin bottom position, as well as C10. In sente, apparently.
Epilogue: White still does not have clearly defined life, which black will (try to) exploit to solidify top.
PS:
1. I don't remember saying I was trying to kill white? If I did, it was a moment of idiocy.
2. I consider the result so far a success for black. NB you are talking to the three-stones-weaker-player.
3. Doing an off-the-cuff, solid-points recount: White is up by just over komi, including komi. Black has sente. Black and white should gain points in centre-top, favouring black. Black can gain points on bottom.
Re: 138. Pancake 4d vs Loons 1d
Posted: Tue Dec 13, 2011 12:23 pm
by pancake
$$Bcm71 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . . . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . W O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . . X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+
[go]$$Bcm71 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . . . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . W O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . . X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Re: 138. Pancake 4d vs Loons 1d
Posted: Tue Dec 13, 2011 1:29 pm
by jts
@loons
Okay, gotcha. I think I was misled by some center plays that seemed ultra-aggressive into thinking that you were making the game revolve around an attack in the center. I'm completely unable to count this board, which is (one reason of many) why I wasn't sure what the long term plan was.
Re: 138. Pancake 4d vs Loons 1d
Posted: Tue Dec 13, 2011 3:44 pm
by Loons
$$Bcm73 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . 1 . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . W O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . . X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+
[go]$$Bcm73 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . 1 . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . W O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . . X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Eh, I sort-of would rather tenuki to bottom (probably 'm') already, but a play here would almost be sente for white, controls how many points white has in the 'a' area, and affects the health/usefulness of the marked black stones (a play around 'b' later nets some points).
$$Bcm73 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . 1 . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . O O X z . . a . . O b . B . . . . |
$$ | . . O X x . O . . X . O B . . . B . . |
$$ | . . X y . . . . . O O O B . . , . . . |
$$ | . . X . . . . O . O X O B . . . O . . |
$$ | . . . . . . . . X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . m . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+
[go]$$Bcm73 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . 1 . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . O O X z . . a . . O b . B . . . . |
$$ | . . O X x . O . . X . O B . . . B . . |
$$ | . . X y . . . . . O O O B . . , . . . |
$$ | . . X . . . . O . O X O B . . . O . . |
$$ | . . . . . . . . X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . m . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
If 'x', 'y' then 'z' seems clearly bad for black, so I will tenuki white 'x', which I am sort-of expecting. If white tenuki now, I will aim to come back and make white's life painful.
@jts
At move , I did decide to give white a weak centre group and attack it rather than build and defend a centre moyo. Looking back, taking and defending the moyo would probably have been better, but it did seem risky to me then and still does a bit now; white could try and destroy all the points, considering he had no weak group/was generally thick and the moyo would be big but also a bit open and thin. Also remembering white is higher ranked.
So I chose to cut and attack white's group instead. I imagine I could have done better. Anyway, an attack in the centre has been/is happening and the game *does* revolve around it. Keeping a group unsettled to make your opponent play defensively/submissively is what attack is, right?
Essentially, I was betting that this exchange has been good for black:
$$Bcm73 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . # . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . Q Q # . . . . . . Q . . X . . . . |
$$ | . . O X . . Q . . # . Q # . . . X . . |
$$ | . . # , . . . . . Q Q Q # . . , . . . |
$$ | . . X . . . . Q . Q # Q # . . . O . . |
$$ | . . . . . . . . # # # # . . . Q . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+
[go]$$Bcm1 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . X . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . O O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . W X X X X . . . O . . . |
$$ | . . . . . 6 2 1 5 . . . . . . X O . . |
$$ | . . X . . . 3 4 . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Looks rock solid to me. Eventhough it's worth nothing, I can't see anything else. Also, after connecting I can gain some points in the center if he doesn't connect somehow.
$$Bcm73 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . X . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . O O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . W X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+
[go]$$Bcm75 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . X . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . O O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . W X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . 1 . . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
I feel like this is now the biggest thing. I would like to hane on white's move (avoid bad shape), but I think my move is more urgent. Hopefully I haven't missed anything.
*Yes, my cut here is vulgar style, however, I cannot find a better way (see my post ages ago).
Re: 138. Pancake 4d vs Loons 1d
Posted: Sun Dec 18, 2011 5:11 am
by pancake
I suspected this was going to happen.. It's quite large, so after this resolves I will count again.
The reason I play here is because there's a lot of aji left if he extends the way he wants to.
$$Bcm75 black: 1 white: 0
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . O X . . . . . . . . X O O . . |
$$ | . . . O . X . O . . . . . X . X O . . |
$$ | . . . O . . X . . X . . . . X X O . . |
$$ | . . . . . . . X . . . . . . . X X O . |
$$ | . . O . . . . . . . . X . . . . O X . |
$$ | . . O X . . . . . . . . . . . . . O . |
$$ | . . O O X . . . . . . O . . X . . . . |
$$ | . . O X . . O . . X . O X . . . X . . |
$$ | . . X , . . . . . O O O X . . , . . . |
$$ | . . X . . . . O . O X O X . . . O . . |
$$ | . . . . . . . O X X X X . . . O . . . |
$$ | . . . . . . . . . . . . . . . X O . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . . . . . . X W . . . |
$$ | . X . O . O . . . X . . . O . , X . . |
$$ | . . O . . . . O X . . . . . . X . . . |
$$ | . . . . . . . O . . . . . X . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+