Is White dead after Black playing the marked stone. We both belive so but we're not 100% sure. (The position is settled in the game, so feel free to speculate about the group's status)
Re: Is white dead here:
Posted: Tue May 22, 2012 11:41 pm
by HermanHiddema
$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . 6 4 | $$ . . X O . O 2 3 | $$ . . . X X X X 1 | $$ . . . . O O O 5 | $$ . . X . . B 7 . | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |
[go]$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . 6 4 | $$ . . X O . O 2 3 | $$ . . . X X X X 1 | $$ . . . . O O O 5 | $$ . . X . . B 7 . | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |[/go]
Looks alive to me
Of course, now it's up to black to hurt the corner as much as possible
Re: Is white dead here:
Posted: Tue May 22, 2012 11:45 pm
by Boidhre
Ah, it played out like this for us:
$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O . . | $$ . . . X X X X . | $$ . . . . O O O 2 | $$ . . X 4 . B 1 3 | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |
[go]$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O . . | $$ . . . X X X X . | $$ . . . . O O O 2 | $$ . . X 4 . B 1 3 | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |[/go]
I got the order all wrong.
Re: Is white dead here:
Posted: Tue May 22, 2012 11:54 pm
by HermanHiddema
Boidhre wrote:Ah, it played out like this for us:
$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O . . | $$ . . . X X X X . | $$ . . . . O O O 2 | $$ . . X 4 . B 1 3 | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |
[go]$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O . . | $$ . . . X X X X . | $$ . . . . O O O 2 | $$ . . X 4 . B 1 3 | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |[/go]
I got the order all wrong.
Yes, both the points of and in you diagram are vital, so white needs to get one in sente to be able to play the other as well.
Re: Is white dead here:
Posted: Wed May 23, 2012 1:39 am
by Bill Spight
$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O 2 . | $$ . . . X X X X 1 | $$ . . . . O O O 4 | $$ . . X . . B 3 8 | $$ . . . . O 5 9 6 | $$ . X . X . O O 7 | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |
[go]$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O 2 . | $$ . . . X X X X 1 | $$ . . . . O O O 4 | $$ . . X . . B 3 8 | $$ . . . . O 5 9 6 | $$ . X . X . O O 7 | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |[/go]
$$Bm10 $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O X . | $$ . . . X X X X O | $$ . . . . O O O 1 | $$ . . X . . X O 2 | $$ . . . . O O O . | $$ . X . X . O O O | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |
[go]$$Bm10 $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O X . | $$ . . . X X X X O | $$ . . . . O O O 1 | $$ . . X . . X O 2 | $$ . . . . O O O . | $$ . X . X . O O O | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |[/go]
$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O 3 . | $$ . . . X X X X 1 | $$ . . . . O O O . | $$ . . X . 4 B 2 . | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |
[go]$$W $$ ----------------+ $$ . . . . . . . . | $$ . . X O . . . . | $$ . . . . . O . . | $$ . . . O X . O . | $$ . X . O . . . . | $$ . . X O . O 3 . | $$ . . . X X X X 1 | $$ . . . . O O O . | $$ . . X . 4 B 2 . | $$ . . . . O . . . | $$ . X . X . O O . | $$ . . . . X . X . | $$ . . . . X . X . | $$ . . . . . . . . |[/go]
and 
in you diagram are vital, so white needs to get one in sente to be able to play the other as well.