$$Bc
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X . . X O O .
$$ | . O X W . . X X O .
$$ | . . X . X . C X O .
$$ +---------------------
- 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.
$$Bc Diagonal
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X 1 2 X O O .
$$ | . O X W . 3 X X O .
$$ | . . X . X . C X O .
$$ +---------------------
- 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

.
$$Bc
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X 1 3 X O O .
$$ | . O X W 4 2 X X O .
$$ | . . X . X 5 C X O .
$$ +---------------------
- 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.
$$Bc Wrong way
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X 4 2 X O O .
$$ | . O X W 1 3 X X O .
$$ | . . X . X . C X O .
$$ +---------------------
- 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.
$$Bc Careless error
$$ | . . . . . . . . . .
$$ | . . O O O . . . . .
$$ | . . . X X O O . . ,
$$ | . O O X . 1 X O O .
$$ | . O X W 3 . X X O .
$$ | . 2 X 4 X 5 C X O .
$$ +---------------------
- 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

.
