Life In 19x19 :: thequietcenter (10k) vs james70739 (6k)

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thequietcenter (10k) vs james70739 (6k) - please review. http://lifein19x19.com/viewtopic.php?f=4&t=18671	Page 1 of 1

Author:	thequietcenter [ Mon Apr 04, 2022 2:59 am ]
Post subject:	thequietcenter (10k) vs james70739 (6k) - please review.
Hello, I played as Black and lost this game. I would appreciate a review: https://online-go.com/game/39157321 Because this person was 4 stones stronger than me, I have no idea if they were just toying with me or playing seriously. They didnt blow me off the board the way I expected.

Author:	Joaz Banbeck [ Mon Apr 04, 2022 8:41 am ]
Post subject:	Re: thequietcenter (10k) vs james70739 (6k) - please review.

Author: Joaz Banbeck [ Mon Apr 04, 2022 9:07 am ]

Post subject: Re: thequietcenter (10k) vs james70739 (6k) - please review.

The game looks decent until move 34. You have played a solid, though perhaps unenterprising game, with no obvious faults.

But move 34 is way too small. It is worth 4 or 5 points, and is barely sente.

Click Here To Show Diagram Code: [go]$$ Position at move 34 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . O . . X . . X . . . . . . . . . . | $$ | . . . O . . . . . , . . . X . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O . . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , . . . | $$ | . . . . . . . . . . . . . . . . O . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . O . . . . . . . O . . | $$ | . X X O . . . O . . . . . . . . . . . | $$ | . . O , O . . X O O O . . . . X . O . | $$ | . . . O . 1 . X X . X X . X . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

There are bigger moves available. There are three corners unresolved.
Other than that, the perimeter is spoken for and it is time to extend into the center.

To put it in perspective, imagine a white move like this:

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

...or this:

Click Here To Show Diagram Code: [go]$$ Grabs at least 10 points of center territory $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . O . . X . . X . . . . . . . . . . | $$ | . . . O . . . . . , . . . X . X . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O . . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , . . . | $$ | . . . . . . . . . . . . . . . . O . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . O . . . . W . . O . . | $$ | . X X O . . . O . . . . . . . . . . . | $$ | . . O , O . . X O O O . . . . X . O . | $$ | . . . O . . . X X . X X . X . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

On move 34, you should be looking at moves like these:

Click Here To Show Diagram Code: [go]$$ Position at move 34 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . e X . . . . . . . . . . . . . . . | $$ | . . O . . X . . X . . . . . . . . . . | $$ | . . . O . . . . . , . . . X . X . c . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O . . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . d . O . . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , . . . | $$ | . . . . . . . . . . . . . . . . O . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . O . . . . b . . O . . | $$ | . X X O . . . O . . . . . . . . . . . | $$ | . . O , O . . X O O O . . . . X . O . | $$ | . a . O . . . X X . X X . X . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

A) Bigger than it looks. But gote.

B) Destroy his potential moyo.

C) Big, sort of gote, starts to look senteish when the temperature drops.

D) Intrude into his potential moyo, threaten to build your own.

E) Small, but strongly sente.

There is a common sequence that starts with E:

Click Here To Show Diagram Code: [go]$$ Commmon invasion when you have something around C11 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . 2 1 X . . . . . . . . . . . . . . . | $$ | . 4 O . . X . . X . . . . . . . . . . | $$ | . 3 . O . . . . . , . . . X . X . . . | $$ | . . 5 6 . . . . . . . . . . . . . . . | $$ | . 7 O . . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . O . . . | $$ | . . B . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , . . . | $$ | . . . . . . . . . . . . . . . . O . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . O . . . . . . . O . . | $$ | . X X O . . . O . . . . . . . . . . . | $$ | . . O , O . . X O O O . . . . X . O . | $$ | . . . O . . . X X . X X . X . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Author:	thequietcenter [ Mon Apr 04, 2022 12:33 pm ]
Post subject:	Re: thequietcenter (10k) vs james70739 (6k) - please review.
Joaz Banbeck wrote: move 34 is way too small. It is worth 4 or 5 points, and is barely sente. Thanks for this feedback. Looking at the moves White could've played helps me think of better moves. And I dont know why I wasnt thinking about locking in an open corner.

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