Before we get to the position in question:
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[go]$$Bc Move 127 Variation
$$ ---------------------------------------
$$ | . . . . . . . X 1 . . . . . . . . . . |
$$ | . . O O . O O X O . . . O . X O O . . |
$$ | . . X . . O X X O O O O O X . X O . . |
$$ | . . . X . O X O . O X X O X . X O O . |
$$ | . . . . . O X X O X X O X X . O X O . |
$$ | . . X . . . . . X . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . , . . X . . , . . . . . , . . . |
$$ | . . . . . X O O O . O . . . . . . . . |
$$ | . . . . . X O . O X . . . . . . . . . |
$$ | . . . X . X O O X O O . . X O O O O . |
$$ | . . X O O X X X X X O . . X X X X X . |
$$ | . . X . . . . X O O X X . . . . X O . |
$$ | . . O O . . X O . O O O . . . O O X . |
$$ | . . . . O . X O O . . . . O O . O X . |
$$ | . . . . . X . X O . . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
Black might have done well to play B 127 here.
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[go]$$Bc Move 135: Not 10,000 year ko
$$ ---------------------------------------
$$ | . . . . . . . X . . . . . . X X O . . |
$$ | . . O O . O O X O . O . O . X O O O 1 |
$$ | . . X . . O X X O O O O O X . X O . X |
$$ | . . . X . O X O . O X X O X . X O O O |
$$ | . . . . . O X X O X X O X X . O X O X |
$$ | . . X . . . . . X . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . , . . X . . , . . . . . , . . . |
$$ | . . . . . X O O O . O . . . . . . . . |
$$ | . . . . . X O . O X . . . . . . . . . |
$$ | . . . X . X O O X O O . . X O O O O . |
$$ | . . X O O X X X X X O . . X X X X X . |
$$ | . . X . . . . X O O X X . . . . X O . |
$$ | . . O O . . X O . O O O . . . O O X . |
$$ | . . . . O . X O O . . . . O O . O X . |
$$ | . . . . . X . X O . . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
This is not a 10,000 year ko.
- Click Here To Show Diagram Code
[go]$$Wc White throw-in ko
$$ ---------------------------------------
$$ | . . . . . . . X . . . . . . X X O . 1 |
$$ | . . O O . O O X O . O . O . X O O O X |
$$ | . . X . . O X X O O O O O X . X O . X |
$$ | . . . X . O X O . O X X O X . X O O O |
$$ | . . . . . O X X O X X O X X . O X O X |
$$ | . . X . . . . . X . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . , . . X . . , . . . . . , . . . |
$$ | . . . . . X O O O . O . . . . . . . . |
$$ | . . . . . X O . O X . . . . . . . . . |
$$ | . . . X . X O O X O O . . X O O O O . |
$$ | . . X O O X X X X X O . . X X X X X . |
$$ | . . X . . . . X O O X X . . . . X O . |
$$ | . . O O . . X O . O O O . . . O O X . |
$$ | . . . . O . X O O . . . . O O . O X . |
$$ | . . . . . X . X O . . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
White can play a throw-in to make a ko.
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[go]$$Bc Bent four in the corner
$$ ---------------------------------------
$$ | . . . . . . . X . . . . . . X X O . 1 |
$$ | . . O O . O O X O . O . O . X O O O X |
$$ | . . X . . O X X O O O O O X . X O . X |
$$ | . . . X . O X O . O X X O X . X O O O |
$$ | . . . . . O X X O X X O X X . O X O X |
$$ | . . X . . . . . X . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . , . . X . . , . . . . . , . . . |
$$ | . . . . . X O O O . O . . . . . . . . |
$$ | . . . . . X O . O X . . . . . . . . . |
$$ | . . . X . X O O X O O . . X O O O O . |
$$ | . . X O O X X X X X O . . X X X X X . |
$$ | . . X . . . . X O O X X . . . . X O . |
$$ | . . O O . . X O . O O O . . . O O X . |
$$ | . . . . O . X O O . . . . O O . O X . |
$$ | . . . . . X . X O . . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
Or Black can kill with Bent Four in the Corner.
As Schachus pointed out.
Edit: BTW, Black 135 is a middling endgame play. It can wait.
Also:
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[go]$$Bc Corner ko
$$ ---------------------------------------
$$ | . . . . . . . X . . . . . . X X O 4 5 |
$$ | . . O O . O O X O . O . O . X O O 1 2 |
$$ | . . X . . O X X O O O O O X . X O . 3 |
$$ | . . . X . O X O . O X X O X . X O O . |
$$ | . . . . . O X X O X X O X X . O X O . |
$$ | . . X . . . . . X . . . . . . . X X . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . O . O . . |
$$ | . . . , . . X . . , . . . . . , . . . |
$$ | . . . . . X O O O . O . . . . . . . . |
$$ | . . . . . X O . O X . . . . . . . . . |
$$ | . . . X . X O O X O O . . X O O O O . |
$$ | . . X O O X X X X X O . . X X X X X . |
$$ | . . X . . . . X O O X X . . . . X O . |
$$ | . . O O . . X O . O O O . . . O O X . |
$$ | . . . . O . X O O . . . . O O . O X . |
$$ | . . . . . X . X O . . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
, to make ko in the corner, is a large endgame play. It is better than Black 131 in the game, but it would still have been premature.