Search found 4 matches

by mkdrive2
Tue Mar 23, 2021 3:20 pm
Forum: Beginners
Topic: Cho Chikun's problem nr. 372 - black can be cut
Replies: 6
Views: 18120

Re: Cho Chikun's problem nr. 372 - black can be cut


My thought is that black can crawl to get liberties, and white won't have enough liberties (if black plays to kill first). You are right. Black can just capture the white stones before running out of liberties. I guess that answers my question.
$$Wcm2
$$--------------
$$| . . . . O . . . .
$$| 8 ...
by mkdrive2
Tue Mar 23, 2021 7:55 am
Forum: Beginners
Topic: Cho Chikun's problem nr. 372 - black can be cut
Replies: 6
Views: 18120

Re: Cho Chikun's problem nr. 372 - black can be cut

The common technique for capturing is :b1: reducing the eyespace to a bulky five and then :b3: strike at the vital point. In Black's favor, the usual 8-1=7 internal liberties are now 3 because of the special properties of the corner. In White's favor there's a ko at the outside.
I think the answer ...
by mkdrive2
Tue Mar 23, 2021 7:49 am
Forum: Beginners
Topic: Cho Chikun's problem nr. 372 - black can be cut
Replies: 6
Views: 18120

Re: Cho Chikun's problem nr. 372 - black can be cut

Kirby wrote:
Click Here To Show Diagram Code
[go]$$Wc
$$--------------
$$| . . . . O . . . .
$$| . . . O X 2 X . .
$$| O O O O 1 X . 7 .
$$| X X X X X 3 . . .
$$| X O O . . 5 . . .
$$| . . . 6 4 . . . .
$$| . O . . . . . . .[/go]
To me this sequence seems quite dangerous. The only answer seems to be J18 which is quite unfavorable for black.
by mkdrive2
Mon Mar 22, 2021 9:22 am
Forum: Beginners
Topic: Cho Chikun's problem nr. 372 - black can be cut
Replies: 6
Views: 18120

Cho Chikun's problem nr. 372 - black can be cut

The following is a problem of Cho Chikun's Life & Death Elementary problems nr. 372.

$$Bc
$$--------------
$$| . . . . O . . . .
$$| . . . O X . X . .
$$| O O O O . X . . .
$$| X X X X X . . . .
$$| X O O . . . . . .
$$| . . . . . . . . .
$$| . O . . . . . . .

I wanted to ask if I am right that ...