Samsung cup main tournament

logan · Post by **logan** » Thu Dec 13, 2012 6:58 pm

Click Here To Show Diagram Code: [go]$$Wcm8 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . . O , . . . . . , . 1 . . . , . . . | $$ | . . . . X . . . . . . . . 2 . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Yu Bin said Gu Li chose :w8:

because he wanted to seize control of the game early by putting Lee into an uncomfortable position. :w8:

was explored in depth over the last couple of years by Chinese players, but remains a bit unfamiliar to S. Korean players. So Lee opted for the simple (and common) :b9:

, instead of engaging Gu Li in a more complicated fighting in this position.

Click Here To Show Diagram Code: [go]$$Bcm17 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . 3 . . . . . . . | $$ | . . . . . . . . . . . 1 O O O O . . . | $$ | . . O , . . . . . , . O X O X , . . . | $$ | . . . . X . . . . . . . X X . X 2 . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

However, once Black is clear of the previous variations, he immediately goes back to a tough minded fighting game with :b17:

&

.

Click Here To Show Diagram Code: [go]$$Bcm43 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . , . . . . . , . . . . . , . X . | $$ | . . . . . . . . . . . . . . . X X O . | $$ | . . . . . . . . . . . Y . O . X O . . | $$ | . . 4 . . . . . . . . . . . . O . O . | $$ | . . . 3 . . . . . a . X . . . . . . . | $$ | . . 2 1 . . 5 . . . . X O O O O . . . | $$ | . . O , . . . . . O . O X O X O O . . | $$ | . . . . X . O . . . . O X X X X O X . | $$ | . . . . . . . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . |[/go]

attacks the right position, and Lee Sedol finds a way that gives him the initiative to play :b43:

and leave White cramped on the right side. Then :b43:

to

begin to pressure the bottom while working in conjunction with :b35:

. (White doesn't want to move out with :b35:

already in place.)

Click Here To Show Diagram Code: [go]$$Wcm52 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . , . . . . . , . . . . . , . X . | $$ | . . . . . . . . . . . . . . . X X O . | $$ | . . 5 . . . . . . . . X . O . X O . . | $$ | . . O 4 . 6 . . . . . . . . . O . O . | $$ | . . . X . 0 7 . . . . X . . . . . . . | $$ | . . O X . 3 X . X X X X O O O O . . . | $$ | . . O , 2 1 . 8 O O . O X O X O O . . | $$ | . . Q . X . O 9 . . . O X X X X O X . | $$ | . . . . . O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

White gains a sizable corner with :w48:

, but then makes a questionable exchange from :w52:

to

.

Click Here To Show Diagram Code: [go]$$Wcm64 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . X . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . , . . . . . , . . . . . , . X . | $$ | . . . . . . . . . . . . . . . X X O . | $$ | . . O . . . . . . . . X . O . X O . . | $$ | . . O X . X . . . . . . . . . O . O . | $$ | . . . X . X O . . . . X . . . . . . . | $$ | . . O X . O X . X X X X O O O O . . . | $$ | . . O , X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . . O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

The result is Black enters a superior position, with a solidified center and sente to play first on the important top side.

Click Here To Show Diagram Code: [go]$$Wcm68 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . 1 X . . . . . X . . . 0 . . . | $$ | . . . O . 2 . 4 . O . . . 9 7 X . . . | $$ | . . . . . . . . . . 5 . . . 8 . . . . | $$ | . . . 3 . . . . . 6 . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . , . . . . . , . . . . . , . X . | $$ | . . . . . . . . . . . . . . . X X O . | $$ | . . O . . . . . . . . X . O . X O . . | $$ | . . O X . X . . . . . . . . . O . O . | $$ | . . . X . X O . . . . X . . . . . . . | $$ | . . O X . O X . X X X X O O O O . . . | $$ | . . O , X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . . O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

With

&

Gu Li continues to take territory first, challenging Black to gain his benefit in the center. It was expected Black would find a way to attack White's two center stone on a larger scale; but when Black played the sharper looking :b73:

White responded with the wonderful :w74:

. Up to

Gu Li began to reverse his poor middle game start.

Click Here To Show Diagram Code: [go]$$Wcm86 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . X . . . X . . . . . | $$ | . . 2 . O X . . . . . X . . . X . . . | $$ | . . . O . X . X . O . O . O O X . . . | $$ | . . . . . . . . O . O . . . X . . . . | $$ | . . . O . . . . O X . . X . . . . . . | $$ | . . . . . . . . . 1 . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . , . . . . . , . . . . . , . X . | $$ | . . . . . . . . . . . . . . . X X O X | $$ | . . O . . . . . . . . X . O . X O O . | $$ | . . O X . X . . . . . . . . . O . O . | $$ | . . . X . X O . . . . X . . . . . . . | $$ | . . O X . O X . X X X X O O O O . . . | $$ | . . O , X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . . O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

However,

was criticized as slow giving Lee Sedol the chance to close the ground on territory with :b87:

.

Click Here To Show Diagram Code: [go]$$Bcm97 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . X . . O . . . . X . . . X . . . . . | $$ | . . X . O X . . . . . X O . . X . . . | $$ | . . . O . X . X . O . O . O O X . . . | $$ | . X X O . . . . O . O . . . X . . . . | $$ | . X O O . . . . O X . . X . . . . . . | $$ | . . . . . . 1 . . O . . . . . . . . . | $$ | . . O . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . X . . . | $$ | . . . , . . . . . , . . . . . , . X . | $$ | . . . . . . . . . . . . . . . X X O X | $$ | . . O . . . . . . . . X . O . X O O . | $$ | . . O X . X . . . . . . . . . O . O . | $$ | . . . X . X O . . . . X . . . . . . . | $$ | . . O X . O X . X X X X O O O O . . . | $$ | . . O , X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . . O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

After Black's jump, Chinese & Korean players were split on who was leading. However, most people preferred Black's position.

Click Here To Show Diagram Code: [go]$$Wcm106 $$ --------------------------------------- $$ | . . . . . . . . . . X . . . . . . . . | $$ | . X . . O . . . O X . X X X . . . . . | $$ | . . X . O X . . . O X X O . . X . . . | $$ | . . . O . X . X . O . O . O O X . . . | $$ | . X X O . . O . O . O . . . X . . . . | $$ | . X O O . . . . O X . . X . . . . . . | $$ | . . . . . . X . . O . . . . . . . . . | $$ | . . O . . . . . . . . 2 1 . . . . . . | $$ | . . . . . . . . . . 4 3 O . . X . . . | $$ | . . . , . . . . . X O X . . . , . X . | $$ | . . . . . . . . . X O . . . . X X O X | $$ | . . O . . . . . . . . X . O . X O O . | $$ | . . O X . X . . . . . . . . . O . O . | $$ | . . . X . X Q . . . . X . . . . . . . | $$ | . . O X . O X . X X X X O O O O . . . | $$ | . . O , X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . . O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

White probes with :w6:

, eying the aji of :wt:

(threatening to pull out and split Black's groups). But :b7:

&

begin an unreasonable fight...

Click Here To Show Diagram Code: [go]$$Bcm127 $$ --------------------------------------- $$ | . . . . . . . . . . X . . . . . . . . | $$ | . X . . O . . . O X . X X X . . . . . | $$ | . . X . O X . . . O X X O . . X . . . | $$ | . . . O . X . X . O . O . O O X . . . | $$ | . X X O . . O . O . O . . . X X . . . | $$ | . X O O . . . X O X . . X . O . . . . | $$ | . . . . . . X . X O . . . . . . . . . | $$ | . . O . . . . . . X X X O . . . . . . | $$ | . . . . . . . . O O X O O . . X . . . | $$ | . . . , . . . . . X O X . . . , . X . | $$ | . . . . . . . . O X O O . . . X X O X | $$ | . . O . . . . . . O . X . O . X O O . | $$ | . . O X . X . 1 . . . . . . . O . O . | $$ | . . . X . X O . . . . X . . . . . . . | $$ | . . O X . O X . X X X X O O O O . . . | $$ | . . O , X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . . O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

...and White comes out ahead with a slight advantage.

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

White should make the :w1:

/

exchange before connecting with :w3:

. The situation could play-out this way, then after Black begins connection :b10:

(and so forth) White again turns to the right.

Click Here To Show Diagram Code: [go]$$Wcm156 $$ --------------------------------------- $$ | . . . . . . . . . . X . . . . . . . . | $$ | . X . . O . . . O X . X X X . . . . . | $$ | . . X . O X . . O O X X O . . X . . . | $$ | . . . O . X . X . O . O . O O X . . . | $$ | . X X O . X O X O . O . . . X X . . . | $$ | . X O O . . . X O X X O X O O X . . . | $$ | . X . . . . X X X O . . O . . . . . . | $$ | . . O . . O O O X X X X O . . . . . . | $$ | . . . . . X . O O O X O O . . X 2 1 . | $$ | . . X , X . . . . X O X . . . , . X 3 | $$ | . . . X O . . . O X O O . . . X X O . | $$ | . . O O . . O . . O . X . O . X O O Q | $$ | . . O X . X X X . X . . . . . O . O . | $$ | . . . X . X O . . . . X . . . . . . . | $$ | . . O X O O X . X X X X O O O O . . . | $$ | . . O X X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . O O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

However, White's losing move was :w56:

and

.

Instead of :w56:

, White could have played deeper because of :wt:

:

Click Here To Show Diagram Code: [go]$$Wcm156 $$ --------------------------------------- $$ | . . . . . . . . . . X . . . . . . . . | $$ | . X . . O . . . O X . X X X . . . . . | $$ | . . X . O X . . O O X X O . . X . . . | $$ | . . . O . X . X . O . O . O O X . . . | $$ | . X X O . X O X O . O . . . X X . . . | $$ | . X O O . . . X O X X O X O O X . 8 . | $$ | . X . . . . X X X O . . O . . 4 3 9 . | $$ | . . O . . O O O X X X X O . . 2 1 . . | $$ | . . . . . X . O O O X O O . . X 6 5 7 | $$ | . . X , X . . . . X O X . . . , . X . | $$ | . . . X O . . . O X O O . . . X X O X | $$ | . . O O . . O . . O . X . O . X O O O | $$ | . . O X . X X X . X . . . . . O . O . | $$ | . . . X . X O . . . . X . . . . . . . | $$ | . . O X O O X . X X X X O O O O . . . | $$ | . . O X X O . X O O O O X O X O O . . | $$ | . . O . X . O O . . . O X X X X O X . | $$ | . . . . O O . . . . O X X . . . X O X | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

And Black's would have lost a few more points of territory.

Or with :w58:

:

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

is a good tesuji. If Black's captures White's stone, then Black's group is still unsettled while White has wedged into Black's position.

And if Black tries to seal White in:

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

White lives inside and Black's group is not yet alive.

You can find more information here:
http://sports.xj163.cn/2012-12/13/content_2458755.htm
http://sports.sina.com.cn/go/2012-12-13 ... 806.shtml#
http://www.tygem.com/news/news/viewpage ... &findword=

Lucian · Post by **Lucian** » Fri Dec 14, 2012 4:10 am

Great effort Logan! Thank you for the comments and all the work.

DeFlow · Post by **DeFlow** » Fri Dec 14, 2012 4:30 am

Thanks for the beautiful commentary!

gogameguru · Post by **gogameguru** » Sun Dec 16, 2012 5:47 am

Here's Younggil's commentary of game 1 of the 17th Samsung Cup.

If you want to ask questions, I'm sure he'd be happy to answer them.

Life In 19x19

Samsung cup main tournament

Re: Samsung cup main tournament

Re: Samsung cup main tournament

Re: Samsung cup main tournament

Re: Samsung cup main tournament