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 Post subject: Fan Tingyu - Park Junghwan (B+R)
Post #1 Posted: Tue Nov 27, 2018 6:07 am 
Gosei

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Fan Tingyu, 9p - Park Junghwan, 9p, B+R (Komi 6.5)
20th Nongshim Cup, game 9, 2018-11-27

Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . X . . . . . |
$$ | . . . O . . . . . , . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . W . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . a . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . O . . . . . , . . . X . , . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This move and a are both possible. I prefer the move a personally and checked my pro database. White won all three games after choosing a in this position.


Last edited by Gomoto on Tue Nov 27, 2018 6:45 am, edited 1 time in total.
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 Post subject: Re: Fan Tingyu - Park Junghwan (B+R)
Post #2 Posted: Tue Nov 27, 2018 6:15 am 
Gosei

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


b first seems to be the better move. The exchange white b for black G18 is good for white. Black looses the good play at G17 this way.


Last edited by Gomoto on Tue Nov 27, 2018 6:26 am, edited 2 times in total.
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 Post subject: Re: Fan Tingyu - Park Junghwan (B+R)
Post #3 Posted: Tue Nov 27, 2018 6:20 am 
Gosei

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Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . X . . . . . |
$$ | . . O O O . . . . , . . . . . X . X . |
$$ | . . . . . . . . . . . . . . . . . O . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . O . . . . O . . |
$$ | . . . O . . . . . , . . . X . , . . . |
$$ | . . . . c X . . X . . O . . . X W . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


c is probably the better choice. It is sente and blacks stones are cramped after black answers at F4.

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 Post subject: Re: Fan Tingyu - Park Junghwan (B+R)
Post #4 Posted: Tue Nov 27, 2018 6:36 am 
Gosei

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


Q6 is in the right spot for black.

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 Post subject: Re: Fan Tingyu - Park Junghwan (B+R)
Post #5 Posted: Tue Nov 27, 2018 6:38 am 
Gosei

Posts: 1733
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Liked others: 621
Was liked: 310
Click Here To Show Diagram Code
[go]$$B
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . X . . . . . |
$$ | . . O O O . . . . , . . . . . X . X . |
$$ | . . . . . . . . . . . . . . . . . O . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . O . . . d O . . |
$$ | . . . O . . . . . , . . . X . W . . . |
$$ | . . . . . X . . X . . O . . . X O O . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This move should be reevaluated in this shape. What about d?

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 Post subject: Re: Fan Tingyu - Park Junghwan (B+R)
Post #6 Posted: Tue Nov 27, 2018 6:40 am 
Gosei

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possible continuations:

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


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

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 Post subject: Re: Fan Tingyu - Park Junghwan (B+R)
Post #7 Posted: Tue Nov 27, 2018 6:42 am 
Gosei

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Another game with a similar shape were the proposed move is perhaps the better alternative.

Kudo Norio, 9p - Yoshihara Yukari, 6p, W+2.5 (Komi 6.5)
43rd Japanese Tengen, preliminary, 2016-06-02


in the game black played:

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


alternative:

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

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