Life In 19x19

Posted: **Sun Oct 03, 2010 10:27 pm**

it doesnt look good for white.
now i guess it is urgent to reduce the black influence in the middle.
white has played sume questionable moves in my opinion (marked below) and is down by enough points to lose easily.
i think it will be easy win for black.

Click Here To Show Diagram Code: [go]$$Bcm81: Move 81. Points from prisoners: B 2 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X W . . O , W . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . W . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . W . . . . . . . . 2 . . O . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . . . . . . . 1 . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Mon Oct 04, 2010 3:37 am**

Magicwand wrote:i think it will be easy win for black.

$$Bcm81: Move 81. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . . . X O X X . . . . . X . . . . |
$$ | . . X , X W . . O , W . . . . , X . . |
$$ | . . . . X O . O . . . . . . . . . . . |
$$ | . . . X . X O . . . . . . . . . W . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . . . . |
$$ | . O O O O O O . . . . . . . . . O . . |
$$ | . X O O X X X X . , . . . . . , . . . |
$$ | . X X X X . . . . . . . . . . . . . . |
$$ | . . . . W . . . . . . . . 2 . . O . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . 1 . . . . X . X X O . . |
$$ | . . . O . O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X . . O . . |
$$ | . . O . . . O . O O X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------

Click Here To Show Diagram Code
[go]$$Bcm81: Move 81. Points from prisoners: B 2 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X W . . O , W . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . W . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . W . . . . . . . . 2 . . O . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . . . . . . . 1 . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Hmmm... Let's do a detailed count... I, too, like your proposed move for white, and according to my count, black would still have to make some cash in the center to walk away with a win:

Black
30 points at the top left (including two captures)
12 points at the top right
15 solid points on the bottom
total: 57 + center potential

White:
30 points at the right side
30 points at the bottom left
5.5 komi
total: 65.5 + some potential on the right side, minus the fact that his group on the left isn't really alive yet.

So is black's center potential worth 9 points more than white's right side potential? Maybe - also, it will be black's move now. He still has to stay active though; I'd like to play something like this to wrap up the game, but I think it'll be too slow:

Click Here To Show Diagram Code: [go]$$Bcm81: Too slow? $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . 0 . . . , . . . | $$ | . X X X X . . . . . . 5 4 . . . . . . | $$ | . . . . O . . . . . . 7 3 2 . . O . . | $$ | . . . . . . . . . . . 9 6 8 . O . . . | $$ | . . . . . . . 1 . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Mon Oct 04, 2010 8:57 am**

gaius wrote:
Magicwand wrote:i think it will be easy win for black.

$$Bcm81: Move 81. Points from prisoners: B 2
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . . . X O X X . . . . . X . . . . |
$$ | . . X , X W . . O , W . . . . , X . . |
$$ | . . . . X O . O . . . . . . . . . . . |
$$ | . . . X . X O . . . . . . . . . W . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . . . . |
$$ | . O O O O O O . . . . . . . . . O . . |
$$ | . X O O X X X X . , . . . . . , . . . |
$$ | . X X X X . . . . . . . . . . . . . . |
$$ | . . . . W . . . . . . . . 2 . . O . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . 1 . . . . X . X X O . . |
$$ | . . . O . O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X . . O . . |
$$ | . . O . . . O . O O X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------

Click Here To Show Diagram Code
[go]$$Bcm81: Move 81. Points from prisoners: B 2 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X W . . O , W . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . W . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . W . . . . . . . . 2 . . O . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . . . . . . . 1 . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Hmmm... Let's do a detailed count... I, too, like your proposed move for white, and according to my count, black would still have to make some cash in the center to walk away with a win:

Black
30 points at the top left (including two captures)
12 points at the top right
15 solid points on the bottom
total: 57 + center potential

White:
30 points at the right side
30 points at the bottom left
5.5 komi
total: 65.5 + some potential on the right side, minus the fact that his group on the left isn't really alive yet.

So is black's center potential worth 9 points more than white's right side potential? Maybe - also, it will be black's move now. He still has to stay active though; I'd like to play something like this to wrap up the game, but I think it'll be too slow:
$$Bcm81: Too slow?
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . . . X O X X . . . . . X . . . . |
$$ | . . X , X O . . O , O . . . . , X . . |
$$ | . . . . X O . O . . . . . . . . . . . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . . . . |
$$ | . O O O O O O . . . . . . . . . O . . |
$$ | . X O O X X X X . , . 0 . . . , . . . |
$$ | . X X X X . . . . . . 5 4 . . . . . . |
$$ | . . . . O . . . . . . 7 3 2 . . O . . |
$$ | . . . . . . . . . . . 9 6 8 . O . . . |
$$ | . . . . . . . 1 . . . . X . X X O . . |
$$ | . . . O . O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X . . O . . |
$$ | . . O . . . O . O O X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------

Click Here To Show Diagram Code
[go]$$Bcm81: Too slow? $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . 0 . . . , . . . | $$ | . X X X X . . . . . . 5 4 . . . . . . | $$ | . . . . O . . . . . . 7 3 2 . . O . . | $$ | . . . . . . . . . . . 9 6 8 . O . . . | $$ | . . . . . . . 1 . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

If the game were purely about points now, I'd agree with MW's move and probably Gaius' count and continuation. But the count above seems to be missing something: black has a group that isn't fully alive either. And the sequence shown in the last diagram above solves this problem for black.

Furthermore, there is some unpleasant aji at 'a', which allows black to take F6 and G6 in sente:

Click Here To Show Diagram Code: [go]$$Bcm81: $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . 0 . . . , . . . | $$ | . X X X X . . . . . . 5 4 . . . . . . | $$ | . . . . O . . . . . . 7 3 2 . . O . . | $$ | . . . . . . . . . . . 9 6 8 . O . . . | $$ | . . . . . C C 1 . . . . X . X X O . . | $$ | . . . O a O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

This makes life too easy for black. He can use his eyeless group as one border for making territory. White should keep up the pressure.

Several moves ago, someone - maybe Mitsun? - suggested a response of white G7 to black's H6 (Thanks, Terr). I'd like ressurect that now:

Click Here To Show Diagram Code: [go]$$Bcm81 My corrected prediction $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . W . . . . . . . . . . . O . . | $$ | . . . . . . 2 C . . . . . . . O . . . | $$ | . . . . . . . 1 . . . . X . X X O . . | $$ | . . . O a O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

It counters the aji at 'a', it makes the white stone at E8 look sensible, and it threatens to push east with G7. We were wondering why white would play E8. It looked like aji-keshi. It only makes sense if white follows it up with something like G7.

Posted: **Mon Oct 04, 2010 9:10 am**

Joaz Banbeck wrote:Several moves ago, someone - maybe Mitsun? - suggested a response of white G8 to black's H7. I'd like ressurect it now:...

The move you show on the board isn't G8, it's G7. Not entirely positive which you intended.

Posted: **Mon Oct 04, 2010 9:31 am**

That seems to be a sensible idea, BUT:

Click Here To Show Diagram Code: [go]$$Bcm81: ... it's just keshi-ing the aji $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . W . . . . . . . . . . . O . . | $$ | . . . . . . 2 3 . . . . . . . O . . . | $$ | . . . . . . . 1 . . . . X . X X O . . | $$ | . . . O a O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

83 connects, and there's nothing white can do. The cut doesn't work, due to the exact same aji at a that you mentioned. By the way, the exchange at 'a' really is black's sente. If the pro playing black would've been afraid of white taking it away, he would have played it out first - he had time for it. I don't think white has a cut here, and given that black didn't play there either, we can assume that it's an aji keshi area right now

.

Posted: **Mon Oct 04, 2010 2:13 pm**

Click Here To Show Diagram Code: [go]$$Wcm82 ACTUAL GAME: Move 82. Points from prisoners: B 2 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . . . . . . . . . . . O . . | $$ | . . . . . . 1 . . . . . . . . O . . . | $$ | . . . . . . . X . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Mon Oct 04, 2010 2:47 pm**

My prediction:

Click Here To Show Diagram Code: [go]$$Bcm1 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X . . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . 2 . . . . . . . . . O . . | $$ | . . . . . . O 1 . . . . . . . O . . . | $$ | . . . . . . . X . . . . X . X X O . . | $$ | . . . O a O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

This seems like the best way to deal with the aji at 'a'.

Posted: **Tue Oct 05, 2010 8:50 am**

gaius wrote:(...) we can assume that it's an aji keshi area right now .

So...

woops?

I don't really get this. Where is my reasoning going wrong?

Posted: **Tue Oct 05, 2010 6:16 pm**

Click Here To Show Diagram Code: [go]$$Bcm83 ACTUAL GAME: Move 83. Points from prisoners: B 2 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X 1 . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . . . . . . . . . . . O . . | $$ | . . . . . . O . . . . . . . . O . . . | $$ | . . . . . . . X . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Tue Oct 05, 2010 7:53 pm**

i was thinking that move..
what white played on move 82 is not necessary to answer as i suspected..
now i am pretty sure white didnt play as below..but it can be an intresting probe.
if black answer from inside..then it is a sucessful probe.
if he answer to capture...i can expect below diag which is not too bad.
just a thought.

Click Here To Show Diagram Code: [go]$$Bcm83 not an ACTUAL GAME: Move 83. Points from prisoners: B 2 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . 9 . . . . | $$ | . . . . . X . . . . . . 8 3 2 5 . . . | $$ | . . . . . X O X X 1 . . . 4 X 7 . . . | $$ | . . X , X O . . O , O . . . 6 , X . . | $$ | . . . . X O . O . . . . 0 . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . . . . . . . . . . . O . . | $$ | . . . . . . O . . . . . . . . O . . . | $$ | . . . . . . . X . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Tue Oct 05, 2010 9:20 pm**

Click Here To Show Diagram Code: [go]$$Bcm83 My predicton $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X 1 . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . . . . . . . . . . . O . . | $$ | . . . . . . O 2 . . . . . . . O . . . | $$ | . . . . . . . X . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I don't understand :b83:

, but

as above looks huge.

Posted: **Tue Oct 05, 2010 9:24 pm**

Click Here To Show Diagram Code: [go]$$Bcm83 ACTUAL GAME: Move 83. Points from prisoners: B 2 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X 1 . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . a . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . . . . . . . . . . . O . . | $$ | . . . . . . O . . . . . . b . O . . . | $$ | . . . . . . . X . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Maybe 84 at a or b?

Posted: **Tue Oct 05, 2010 9:54 pm**

Joaz Banbeck wrote:
$$Bcm83 My predicton
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . . . X O X X 1 . . . . X . . . . |
$$ | . . X , X O . . O , O . . . . , X . . |
$$ | . . . . X O . O . . . . . . . . . . . |
$$ | . . . X . X O . . . . . . . . . O . . |
$$ | . . . X . X O . . . . . . . . . . . . |
$$ | . . . X X . . . . . . . . . . . . . . |
$$ | . O O O O O O . . . . . . . . . O . . |
$$ | . X O O X X X X . , . . . . . , . . . |
$$ | . X X X X . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . O . . |
$$ | . . . . . . O 2 . . . . . . . O . . . |
$$ | . . . . . . . X . . . . X . X X O . . |
$$ | . . . O . O O X . . X . . . . O X . . |
$$ | . . . O . X X O X . . O X . . O . . . |
$$ | . . O X X . . O . X X O . X . . O . . |
$$ | . . O . . . O . O O X . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------

Click Here To Show Diagram Code
[go]$$Bcm83 My predicton $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X 1 . . . . X . . . . | $$ | . . X , X O . . O , O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . . . . . . . . . . . O . . | $$ | . . . . . . O 2 . . . . . . . O . . . | $$ | . . . . . . . X . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

I don't understand , but as above looks huge.

black was able to tenuki because there isn't anything white can do there other than little dent which is probably ajikeshi.
in my opinion white have to stop black cutting that is why i proposed the probe before.

Posted: **Wed Oct 06, 2010 7:47 am**

I agree with MW - I really liked the proposed 81 (at 83 here) earlier, so I assumed that with 82 white would make the hanging connection to block this. I'm having a hard time finding a good exchange now. I guess white's trying to attack the center dragon, but... it looks hard.

Posted: **Wed Oct 06, 2010 10:12 am**

I think W should simply connect because 1) B push and cut would make large territory difference, 2) W connection leaves block at (a) so B still needs another move to make anything here, 3) the large b center group is not easy to attack. After W plays (b) I still do not see a serious attack on the B dragon. If W starts to surround this group, he might just provoke B to make territory with large endgame moves like (c) and (d).

Click Here To Show Diagram Code: [go]$$W $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . . . X O X X X a . . . X . . . . | $$ | . . X , X O . . O 1 O . . . . , X . . | $$ | . . . . X O . O . . . . . . . . . . . | $$ | . . . X . X O . . . . . . . . . O . . | $$ | . . . X . X O . . . . . . . . . . . . | $$ | . . . X X . . . . . . . . . . . . . . | $$ | . O O O O O O . . . . . . . . . O . . | $$ | . X O O X X X X . , . . . . . , . . . | $$ | . X X X X . . . . . . . . . . . . . . | $$ | . . . . O . . . . . . . . . . . O . . | $$ | . . c . . . O b . . . . . . . O . . . | $$ | . d . . . . . X . . . . X . X X O . . | $$ | . . . O . O O X . . X . . . . O X . . | $$ | . . . O . X X O X . . O X . . O . . . | $$ | . . O X X . . O . X X O . X . . O . . | $$ | . . O . . . O . O O X . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

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