I was collecting old games record as usual, when I spot this rare but interesting moment in the following pro game:

http://www.go4go.net/go/games/sgfview/37110/80

This is basically a Bent four in the corner, plus a 10000-year ko outside. White needed to make two approach moves and then win the ko, in order to save the bend-four corner. Seki isn't an option here.

Click Here To Show Diagram Code

[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . X . . . . . . . . O . O O O . |
$$ | . . O , . . . . . , . . . . X X X O . |
$$ | . . O X . . . . . . . . . . . . X X . |
$$ | . . . X . . . . . . . . . . . . O . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | . X O O . . . . . , . . . . . , . . . |
$$ | . X X O . . . . . . . . . . . . . . . |
$$ | X O O X . . . . . . . . . . . X . . . |
$$ | . X . X . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | O O X X O O O O . . . . . O . O . . . |
$$ | . O O O X X X X O O . . . . . , . . . |
$$ | X O X X X . X . X O . . X . . X . . . |
$$ | X O O X . O O X X O . . . . . . . . . |
$$ | X . O X . O X . X O . . . . . . . . . |
$$ +---------------------------------------+[/go]

I would be so lost as to how to proceed with the rest of the game if that position came up in a game I was playing.

_________________
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Each of us woke up one moment and here we were in the darkness.
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