What bad shape?
- Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X . . X O O .
$$ | . O X W . . X X O .
$$ | . . X . X . C X O .
$$ +---------------------[/go]
Looking for potential eyes, we see the
point and the 
stone. OC, we have to capture the stone first. - Click Here To Show Diagram Code
[go]$$Bc Diagonal
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X 1 2 X O O .
$$ | . O X W . 3 X X O .
$$ | . . X . X . C X O .
$$ +---------------------[/go]
is played on the diagonal of , to prevent the eye from becoming false. 
is on the diagonal of .- Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X 1 3 X O O .
$$ | . O X W 4 2 X X O .
$$ | . . X . X 5 C X O .
$$ +---------------------[/go]
If White counters with
on the diagonal of , Black just manages to capture it and live.- Click Here To Show Diagram Code
[go]$$Bc Wrong way
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X 4 2 X O O .
$$ | . O X W 1 3 X X O .
$$ | . . X . X . C X O .
$$ +---------------------[/go]
is the wrong way to capture, as 
can make the eye false.- Click Here To Show Diagram Code
[go]$$Bc Careless error
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X . 1 X O O .
$$ | . O X W 3 . X X O .
$$ | . 2 X 4 X 5 C X O .
$$ +---------------------[/go]
If White carelessly answers
with , Black lives with and 
. 