- Click Here To Show Diagram Code
[go]$$Wcm51 Has Captured: B - 4, W - 3
$$ ---------------------------------------
$$ | X X O O O . . . . . . . . . . . . . . |
$$ | X . X . O O . . . . . . . . . . . . . |
$$ | X X O . O X . . . . . . . O . X O . . |
$$ | . X O O X O . O . , . . O . . X . O . |
$$ | . . X . X . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . X X X . O . |
$$ | . . . X . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . 4 . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . X . . . . . , . . . . O X . . . |
$$ | . . . . . . X . . . O . . . O O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

is neither here nor there. Aside from leaving a heavy group in the top right, it is too close to Black's strength in the top left.
- Click Here To Show Diagram Code
[go]$$Wcm51 Has Captured: B - 4, W - 3
$$ ---------------------------------------
$$ | X X O O O . . . . . . . . . . . . . . |
$$ | X . X . O O . . . . . . . . . . . . . |
$$ | X X O . O X . . . . . . . O . X O . . |
$$ | . X O O X O . O . , . . O . . X . O . |
$$ | . . X . X . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . 5 . X X X . O . |
$$ | . . . X . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . b . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 4 . . . . . . . . . . . . . . . . |
$$ | . . a . . . . . . . . . . . . X . . . |
$$ | . . . X . . . . . , . . . . O X . . . |
$$ | . . . . . . X . . . O . . . O O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
On the left side I think that

in this diagram is good. "a" allows White to come in with a wedge at "b".
But of course White has a good play in the top right at

. (When to play it is another question.) The trouble with sacrificing the top right corner is that White still has weaknesses on top, which a play like

covers. Black does not want to sacrifice both the corner and the invasion or reduction.
- Click Here To Show Diagram Code
[go]$$Wcm51 Has Captured: B - 4, W - 3
$$ ---------------------------------------
$$ | X X O O O . . . . . . . . . . . . . . |
$$ | X . X . O O . . . . . . . . . . . . . |
$$ | X X O . O X . . . . . . . O . X O . . |
$$ | . X O O X O . O . , 5 . O . . X . O . |
$$ | . . X . X . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . 4 . X X X . O . |
$$ | . . . X . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . X . . . . . , . . . . O X . . . |
$$ | . . . . . . X . . . O . . . O O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
The proverb says that the one space jump,

, is never bad, but after

Black has no attractive move and his stones are still floating.
- Click Here To Show Diagram Code
[go]$$Wcm51 Has Captured: B - 4, W - 3
$$ ---------------------------------------
$$ | X X O O O . . . . . . . . . . . . . . |
$$ | X . X . O O . . . . . . . . . . . . . |
$$ | X X O . O X . . . . . 0 . O . X O . . |
$$ | . X O O X O . O . , . . O . . X . O . |
$$ | . . X . X . . . . . 8 4 5 . . . X . . |
$$ | . . . . . . . . . . . 7 6 X X X . O . |
$$ | . . . X . . . . . . . 9 . . O . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . X . . . . . , . . . . O X . . . |
$$ | . . . . . . X . . . O . . . O O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
What about this

? White cannot push and cut.
- Click Here To Show Diagram Code
[go]$$Wcm51 Has Captured: B - 4, W - 3
$$ ---------------------------------------
$$ | X X O O O . . . . . . . . . . . . . . |
$$ | X . X . O O . . . . . . . . . . . . . |
$$ | X X O . O X . . . . . . . O . X O . . |
$$ | . X O O X O . O . , 7 5 O . . X . O . |
$$ | . . X . X . . . . . 6 4 . . . . X . . |
$$ | . . . . . . . . . . . . . X X X . O . |
$$ | . . . X . . . . . . . 8 . . O . . . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . X . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . X . . . . . , . . . . O X . . . |
$$ | . . . . . . X . . . O . . . O O X . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
After this sequence Black has eye potential and elbow room.
