Black to live

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Click Here To Show Diagram Code

[go] [/go]

well escape...

o18 looks like the move to me, i don't see how white can kill black after that but i maybe mistaken.

do you also provide solution?

Black can't play o18 because white would play p17 and escape.

I don't see a way for black to survive without inferior play from white.

_________________
Thinking like a go player during a game of chess is like bringing a knife to a gun-fight. Thinking like a chess player during a game of go feels like getting knifed while you're holding a gun...

How about the sequence below? All White's responses seem forced to prevent Black making a second eye. Black next connects at 'a' and has broken out. The key point is that there isn't space for a second eye in the corner but there seems to be just enough potential that Black can use to drive White along the way.

Click Here To Show Diagram Code

[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . 6 2 O 3 . . . |
$$ | . . . . . . . . . . . O . 5 1 . X X . |
$$ | . . . , . . . . . , . O . X . X 4 O . |
$$ | . . . . . . . . . . . O O O 7 8 0 . . |
$$ | . . . . . . . . . . . . . O a 9 O O . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

_________________
Dave Sigaty
"Short-lived are both the praiser and the praised, and rememberer and the remembered..."
- Marcus Aurelius; Meditations, VIII 21

Dave's reply seems to work.

This also occurred to me:

Click Here To Show Diagram Code

[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . 9 8 0 . . . . |
$$ | . . . . . . . . . . . . . 3 O a . . . |
$$ | . . . . . . . . . . . O . 5 4 . X X . |
$$ | . . . , . . . . . , . O . X 6 X . O . |
$$ | . . . . . . . . . . . O O O 7 . . . . |
$$ | . . . . . . . . . . . . . O . 1 O O . |
$$ | . . . . . . . . . . . . . . . 2 . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Next black plays at a, sacrifices some bits and gets a living shape in the corner. White has other replies e.g.

Click Here To Show Diagram Code

[go]$$Bc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . O . . . . X X . |
$$ | . . . , . . . . . , . O . X . X . O . |
$$ | . . . . . . . . . . . O O O 2 3 . . . |
$$ | . . . . . . . . . . . . . O 6 1 O O . |
$$ | . . . . . . . . . . . . . . 5 4 . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Next:

Click Here To Show Diagram Code

[go]$$Bcm7
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . O . . . . X X . |
$$ | . . . , . . . . . , . O . X . X 7 O 9 |
$$ | . . . . . . . . . . . O O O O X 6 5 8 |
$$ | . . . . . . . . . . . . . O O X O O . |
$$ | . . . . . . . . . . . . . . X O 1 3 . |
$$ | . . . . . . . . . . . . . . . 2 . 4 . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

And black seems to get a ko at least, so Dave's line is cleaner.

Doesn't Black just solidly connect and capture 5 White stones 4 liberties to 3?

_________________
Dave Sigaty
"Short-lived are both the praiser and the praised, and rememberer and the remembered..."
- Marcus Aurelius; Meditations, VIII 21

Looks a bit like the 19-point trick play to me... Black gets a reasonable number of points in the corner, but white has forcing moves to seal him in painfully. White starts with the point below and then takes two moves on the left to force black to play inside for the semeai, and white seals black in sente.

Did you forget that in the 19-point trickplay both sides have played the same number of moves, but in this one white has 6 more stones?