Page 12 of 15

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 11:16 am
by Pippen
Black to play its best move...but where?
Click Here To Show Diagram Code
[go]$$BmNaN
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 11:43 am
by Kirby
Pippen wrote:Black to play its best move...but where?
Click Here To Show Diagram Code
[go]$$BmNaN
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Territorially, game seems somewhat balanced in terms of points to me. The problem is that white has potential on the top.

The biggest definite territory move seems to be here:
Click Here To Show Diagram Code
[go]$$
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . B . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . a . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
But can black afford for white to further develop the top? There's also the weakness at 'a' that black has.

I think the game is already good for white. The question is whether to try to do something about the top immediately to try to catch up, or to wait.

I don't know the answer to that.

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 11:44 am
by skydyr
Kirby wrote:
Pippen wrote:Black to play its best move...but where?
Click Here To Show Diagram Code
[go]$$BmNaN
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Territorially, game seems somewhat balanced in terms of points to me. The problem is that white has potential on the top.

The biggest definite territory move seems to be here:
Click Here To Show Diagram Code
[go]$$
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . B . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . a . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
But can black afford for white to further develop the top? There's also the weakness at 'a' that black has.

I think the game is already good for white. The question is whether to try to do something about the top immediately to try to catch up, or to wait.

I don't know the answer to that.
My thinking went along these same lines, along with the question of whether black could play C9 to help remove the weakness in a more active manner.

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 12:34 pm
by Bill Spight
Pippen wrote:Black to play its best move...but where?
Click Here To Show Diagram Code
[go]$$BmNaN
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
A difficult position. I agree that White has the edge.
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . 1 . . . |
$$ | . X X O O . . . . . . a . O . . . . . |
$$ | . . . X . O . . . . W . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
:b1: is good, making territory while aiming to invade. But with :wc: in place, "a" is not great.
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . 1 . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Although short, this extension is dynamic, threatening to invade the corner while shoring up Black's weakness. I prefer it to the previous diagram.
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . . O . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . 1 . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
But the threat of White's expansion into the center makes me lean towards something like :b1: here.

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 12:54 pm
by Shaddy
Has the world gone mad? 3-3 in the bottom right is my move.

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 12:58 pm
by Kirby
Shaddy wrote:Has the world gone mad? 3-3 in the bottom right is my move.
I can see Bill's argument of reducing the center, but I don't understand how the bottom right corner is bigger than the top right corner.

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 1:03 pm
by Shaddy
White's group becomes weak!

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 1:11 pm
by Kirby
Shaddy wrote:White's group becomes weak!
Can't really argue with that. Good point. I didn't consider this at all.

Re: Who stands better in this fuseki?

Posted: Thu Sep 17, 2015 1:12 pm
by Pippen
Shaddy wrote:White's group becomes weak!
First I am surprised that White is seen better in the initial diagram. The problem with the lower 3-3 seems its slowiness. Yes, White's right group would become weak, but White has some influence towards the center and after 3-3 White has sente and could play another big move towards the center, effectively making its left group very stable plus increasing its top group potential.

I'd go with Bill's cap-like reducing move.

Re: Who stands better in this fuseki?

Posted: Fri Sep 18, 2015 2:37 am
by Uberdude
When looking at that board I can't help but want to use the sleeve tesuji to correct black's mistake here. (That would also make 3-3 better).
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O O . . . . . . . . O . . . . . |
$$ | . . . X . O . . . , W . . . . X . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . . O . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . B . . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . . . O X . . |
$$ | . . O . . . . . . . . . . . . O X . . |
$$ | . . . . . . . . . . . . . O . . O X . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . X . X . X . O . |
$$ | . . . O . X . . X . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
P.S. Pippen what do you think of my reply to the previous question?

Re: Who stands better in this fuseki?

Posted: Fri Sep 18, 2015 3:23 am
by Pippen
@Überdude: I think I agreed with your comment to the previous question.

Re: Who stands better in this fuseki?

Posted: Fri Sep 18, 2015 8:46 am
by Pippen
Here's another one, again Black to play. Who is better and where would u play as Black?
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . O . . X . . |
$$ | . . . O . O . . . , O . . . . X . . . |
$$ | . O O . . . . . . . . . . . . . . . . |
$$ | . X X X . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X X X . . . . . . . . . . . . . . . |
$$ | . O O . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]

Re: Who stands better in this fuseki?

Posted: Fri Sep 18, 2015 8:54 am
by skydyr
Pippen wrote:Here's another one, again Black to play. Who is better and where would u play as Black?
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . O . . X . . |
$$ | . . . O . O . . . , O . . . . X . . . |
$$ | . O O . . . . . . . . . . . . . . . . |
$$ | . X X X . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X X X . . . . . . . . . . . . . . . |
$$ | . O O . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Q10 almost without thinking. Black needs a framework to match white's, and the right is larger than the bottom.

As for who is ahead... maybe white slightly, but not by much. Black's left seems a bit overconcentrated compared to white's corners, though these still have a bit of aji, and there's not that much development potential from black's left side.

Re: Who stands better in this fuseki?

Posted: Fri Sep 18, 2015 10:04 am
by Uberdude
o3. White is better due to black passively answering both of white's 2nd line descents on the left side which greatly reduced the 3-3 aji. (Though I imagine that shape may have occurred from white playing the footsweep). White's slide with big knight on the top is a little awkward but in no way make up for black's problem on the left.

Re: Who stands better in this fuseki?

Posted: Fri Sep 18, 2015 10:20 am
by Kirby
I also feel white is better - maybe a 10 point lead? Black's position on the left is too over-concentrated.

Compare to this "even" position:
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . O . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . O . O . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Instead of the third line territory that white gets above, your variation gives white a position on the 4th line.

Anyway, I'm a little impatient, so I wouldn't feel good about playing calmly. I'd want to break up the top to restore the balance of territory. Even if black plays another move around 'a' or 'b' below, I don't think it's enough to offset white's lead.
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . O . . X . . |
$$ | . . . O . O . . . , O . . . . X . . . |
$$ | . O O . . . . . . . . . . . . . . . . |
$$ | . X X X . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X , . . . . . , . . . . . b . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X X X . . . . . . . . . . . . . . . |
$$ | . O O . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . O . . . . . . . a . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
But it's hard to make an even game from a losing position, so it's hard to say that invading the top is a good strategy, too. If I had more patience, I guess I'd go with 'a', above. But it doesn't look like a winning game.

At this point, I'd be biting at the scab on my thumb - it's the habit I have when I'm in a tough situation. The skin on my thumbs is really wearing down these days...