[go]$$Bm11 Then he captures the stones in the corner
$$ +--------------------
$$ | . 3 . . X X . . . .
$$ | 4 2 X X O O X . . .
$$ | . O O X O . O . O .
$$ | 5 1 X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,[/go]
$$Wm16 White can create bulky five
$$ +--------------------
$$ | 4 X 2 1 X X . . . .
$$ | O O X X O O X . . .
$$ | 3 O O X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,
[go]$$Wm16 White can create bulky five
$$ +--------------------
$$ | 4 X 2 1 X X . . . .
$$ | O O X X O O X . . .
$$ | 3 O O X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,[/go]
$$Wm20 But black can create an eye at the side.
$$ +--------------------
$$ | X X X . X X . . . .
$$ | . . X X O O X . . .
$$ | . 1 . X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . 2 O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,
[go]$$Wm20 But black can create an eye at the side.
$$ +--------------------
$$ | X X X . X X . . . .
$$ | . . X X O O X . . .
$$ | . 1 . X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . 2 O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,[/go]
Re: this tsumego...
Posted: Sat Apr 28, 2012 6:19 am
by Uberdude
The double hane tesuji to gain a liberty crops up reasonably often, here is one joseki example.
Obviously black gets super thick this way so usually the outside will be better than the corner life ( is normally atari at 8 and then extend one point below , sacrificing the corner to squeeze on the outside and then extend), but it's nice to be able to live if you want to.
Re: this tsumego...
Posted: Sat Apr 28, 2012 9:37 am
by nyuubi
Thanks guys. I can see it now. This'll be useful to know:)
Re: this tsumego...
Posted: Sat Apr 28, 2012 1:03 pm
by Tryss
HermanHiddema wrote:
$$B First black creates an approach problem
$$ +--------------------
$$ | . . . . 9 7 . . . .
$$ | . . X X O 4 5 . . .
$$ | . O O X O 3 6 . O .
$$ | . . X O 1 8 . . . ,
$$ | . . . 2 0 . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,
[go]$$Bm11 Then he captures the stones in the corner
$$ +--------------------
$$ | . 3 . . X X . . . .
$$ | 4 2 X X O O X . . .
$$ | . O O X O . O . O .
$$ | 5 1 X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,[/go]
$$Wm16 White can create bulky five
$$ +--------------------
$$ | 4 X 2 1 X X . . . .
$$ | O O X X O O X . . .
$$ | 3 O O X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,
[go]$$Wm16 White can create bulky five
$$ +--------------------
$$ | 4 X 2 1 X X . . . .
$$ | O O X X O O X . . .
$$ | 3 O O X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,[/go]
$$Wm20 But black can create an eye at the side.
$$ +--------------------
$$ | X X X . X X . . . .
$$ | . . X X O O X . . .
$$ | . 1 . X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . 2 O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,
[go]$$Wm20 But black can create an eye at the side.
$$ +--------------------
$$ | X X X . X X . . . .
$$ | . . X X O O X . . .
$$ | . 1 . X O . O . O .
$$ | X X X O . O . . . ,
$$ | . . . O O . . . O .
$$ | . 2 O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,[/go]
What about letting black "escape" and kill it outside?
$$B
$$ +--------------------
$$ | . . . . . . . . . .
$$ | . . X X O . . . . .
$$ | . O O X O . . . O .
$$ | . 2 X O 1 . . . . ,
$$ | . . . . . . . . O .
$$ | . . O . . . . . . .
$$ | . . . O . . . . . .
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . . . , . . . . . ,