Korean baduk league visit: Shin Jinseo, Lee Changho and LZ

[Uberdude]

Nice tesuji from Shin Jinseo you usually only see in problems (though I didn't read enough to know if less fancy moves didn't work too*), white to play.

$$Wc Shin Jinseo (white) vs Byun Sangil
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . X O . O O X X . O X . . . . |
$$ | . . . O X . X X O , O X . O . X . . . |
$$ | . . . O O X . . X O O X X O . . . X . |
$$ | . . . . . . . . X . O X O X X . X O . |
$$ | . . O . X X X X . . O X O O . . . . . |
$$ | . . . . . O . O X X O O X O O O O . . |
$$ | . . . . . . . O X O . . X X X X X . . |
$$ | . . O , . . . . O O . . . . . , . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X X O . . . . . . . . . . . . . . . |
$$ | . O O X X X . . . . . . . . . . . . . |
$$ | . . X O O . . . . . . . . . . X . . . |
$$ | . O X O . . . . . . . . . . . . . . . |
$$ | . . O O . X . . . , . . . . . , . . . |
$$ | . . . . O X . . X . . . . . . X . . . |
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------

Click Here To Show Diagram Code

[go]$$Wc Shin Jinseo (white) vs Byun Sangil
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . X O . O O X X . O X . . . . |
$$ | . . . O X . X X O , O X . O . X . . . |
$$ | . . . O O X . . X O O X X O . . . X . |
$$ | . . . . . . . . X . O X O X X . X O . |
$$ | . . O . X X X X . . O X O O . . . . . |
$$ | . . . . . O . O X X O O X O O O O . . |
$$ | . . . . . . . O X O . . X X X X X . . |
$$ | . . O , . . . . O O . . . . . , . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X X O . . . . . . . . . . . . . . . |
$$ | . O O X X X . . . . . . . . . . . . . |
$$ | . . X O O . . . . . . . . . . X . . . |
$$ | . O X O . . . . . . . . . . . . . . . |
$$ | . . O O . X . . . , . . . . . , . . . |
$$ | . . . . O X . . X . . . . . . X . . . |
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

This attachment.
* I think taking n17 liberty doesn't work because black s12, white r13, then black p15 makes miai of s13 and n18. White could still r15 and trade but killing the black top group instead of going into corner is nice to settle white's group there given L11 cut. With the attachment white gets some extra liberties for the o17 stones so avoids p15 being sente 2 ways. But how about white n18?

$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . 1 . . . . . . . |
$$ | . . . O . X O . O O X X . O X . . . . |
$$ | . . . O X . X X O , O X . O . X . . . |
$$ | . . . O O X . . X O O X X O . . . X . |
$$ | . . . . . . . . X . O X O X X . X O . |
$$ | . . O . X X X X . . O X O O . . . . . |
$$ | . . . . . O . O X X O O X O O O O . . |
$$ | . . . . . . . O X O . . X X X X X . . |
$$ | . . O , . . . . O O . . . . . , . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X X O . . . . . . . . . . . . . . . |
$$ | . O O X X X . . . . . . . . . . . . . |
$$ | . . X O O . . . . . . . . . . X . . . |
$$ | . O X O . . . . . . . . . . . . . . . |
$$ | . . O O . X . . . , . . . . . , . . . |
$$ | . . . . O X . . X . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------

Click Here To Show Diagram Code

[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . 1 . . . . . . . |
$$ | . . . O . X O . O O X X . O X . . . . |
$$ | . . . O X . X X O , O X . O . X . . . |
$$ | . . . O O X . . X O O X X O . . . X . |
$$ | . . . . . . . . X . O X O X X . X O . |
$$ | . . O . X X X X . . O X O O . . . . . |
$$ | . . . . . O . O X X O O X O O O O . . |
$$ | . . . . . . . O X O . . X X X X X . . |
$$ | . . O , . . . . O O . . . . . , . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . X X O . . . . . . . . . . . . . . . |
$$ | . O O X X X . . . . . . . . . . . . . |
$$ | . . X O O . . . . . . . . . . X . . . |
$$ | . O X O . . . . . . . . . . . . . . . |
$$ | . . O O . X . . . , . . . . . , . . . |
$$ | . . . . O X . . X . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

This whole semeai happened because Byun said the n13 white peep wasn't sente and Shin said it was.

[Uberdude]

Nice shortage of liberties tesuji from Shin in this blitz game (10 min +20 sec Fischer):