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

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

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)

, 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

&

.

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

and leave White cramped on the right side. Then

to

begin to pressure the bottom while working in conjunction with

. (White doesn't want to move out with

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

, but then makes a questionable exchange from

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

White responded with the wonderful

. 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

.

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

, eying the aji of

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

&

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

/

exchange before connecting with

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

(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

and

.

Instead of

, White could have played deeper because of

:

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

:

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 ... 6806.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