Life In 19x19
http://www.lifein19x19.com/

YCH Tesuji vol. 3 Problem 1.23
http://www.lifein19x19.com/viewtopic.php?f=15&t=9104		 Page 1 of 1
Author:  SoDesuNe [ Fri Sep 20, 2013 10:28 am ]
Post subject:  YCH Tesuji vol. 3 Problem 1.23
Hey!

I have a question regarding this problem.

Click Here To Show Diagram Code
[go]$$Bc Black to play
$$ +---------------------+
$$ . . . X . . . . . . |
$$ O . . X O . . . . . |
$$ . O O X . O . X . . |
$$ , O X X . . O X . . |
$$ . . O X . . . X . . |
$$ . O . X . O . . . . |
$$ . . O . O . O X . . |
$$ O . O . O . . X . . |
$$ . . . . . . . . . . |
$$ , . . . . . , X . . |[/go]


Book-answer:
Click Here To Show Diagram Code
[go]$$Bc Black plays :b1: to get 'a' in Sente
$$ +---------------------+
$$ . . . X . . . . . . |
$$ O . . X O . . . . . |
$$ . O O X . O a X . . |
$$ , O X X . 1 O X . . |
$$ . . O X . . . X . . |
$$ . O . X . O . . . . |
$$ . . O . O . O X . . |
$$ O . O . O . . X . . |
$$ . . . . . . . . . . |
$$ , . . . . . , X . . |[/go]


Click Here To Show Diagram Code
[go]$$Bc Book variation
$$ +---------------------+
$$ . . . X . . . . . . |
$$ O . . X O 7 . . . . |
$$ . O O X . O 5 X . . |
$$ , O X X 2 1 O X . . |
$$ . . O X 6 3 4 X . . |
$$ . O . X . O . . . . |
$$ . . O . O . O X . . |
$$ O . O . O . . X . . |
$$ . . . . . . . . . . |
$$ , . . . . . , X . . |[/go]


My attempt:
Click Here To Show Diagram Code
[go]$$Bc Black plays :b1:, which makes 'a' and 'b' Miai
$$ +---------------------+
$$ . . . X . . . . . . |
$$ O . . X O b . . . . |
$$ . O O X . O 1 X . . |
$$ , O X X . a O X . . |
$$ . . O X . . . X . . |
$$ . O . X . O . . . . |
$$ . . O . O . O X . . |
$$ O . O . O . . X . . |
$$ . . . . . . . . . . |
$$ , . . . . . , X . . |[/go]


Did I miss something?
Author:  tchan001 [ Fri Sep 20, 2013 10:44 am ]
Post subject:  Re: YCH Tesuji vol. 3 Problem 1.23
I think you quoted the book solution wrongly. My book says:

Click Here To Show Diagram Code
[go]$$Bc Book variation
$$ +---------------------+
$$ . . . X . . . . . . |
$$ O . . X O 7 . . . . |
$$ . O O X . O 5 X . . |
$$ , O X X 2 1 O X . . |
$$ . . O X 6 3 4 X . . |
$$ . O . X . O . . . . |
$$ . . O . O . O X . . |
$$ O . O . O . . X . . |
$$ . . . . . . . . . . |
$$ , . . . . . , X . . |[/go]


Click Here To Show Diagram Code
[go]$$Bc Book variation
$$ +---------------------+
$$ . . . X . . . . . . |
$$ O . . X O . . . . . |
$$ . O O X . O . X . . |
$$ , O X X 2 1 O X . . |
$$ . . O X 4 3 5 X . . |
$$ . O . X . O . . . . |
$$ . . O . O . O X . . |
$$ O . O . O . . X . . |
$$ . . . . . . . . . . |
$$ , . . . . . , X . . |[/go]
Author:  SoDesuNe [ Fri Sep 20, 2013 11:59 am ]
Post subject:  Re: YCH Tesuji vol. 3 Problem 1.23
You are right! I edited my first post. Thank you!

The question remains, though =D
Author:  oren [ Fri Sep 20, 2013 12:19 pm ]
Post subject:  Re: YCH Tesuji vol. 3 Problem 1.23
SoDesuNe wrote:
You are right! I edited my first post. Thank you!

The question remains, though =D


How do you respond to O17 in your line?
Author:  SoDesuNe [ Fri Sep 20, 2013 2:35 pm ]
Post subject:  Re: YCH Tesuji vol. 3 Problem 1.23
Click Here To Show Diagram Code
[go]$$Bc Guzumi desu ka?
$$ +---------------------+
$$ . . . X . . . . . . |
$$ O . . X O . . . . . |
$$ . O O X 2 O 1 X . . |
$$ , O X X . . O X . . |
$$ . . O X . 3 . X . . |
$$ . O . X . O . . . . |
$$ . . O . O . O X . . |
$$ O . O . O . . X . . |
$$ . . . . . . . . . . |
$$ , . . . . . , X . . |[/go]
Author:  oren [ Fri Sep 20, 2013 3:27 pm ]
Post subject:  Re: YCH Tesuji vol. 3 Problem 1.23
Yeah, I see no problem with it either. It could have multiple solutions.
Author:  cyclops [ Mon Sep 23, 2013 3:45 pm ]
Post subject:  Re: YCH Tesuji vol. 3 Problem 1.23
Stupid question maybe. But what is YCH?
Author:  tchan001 [ Mon Sep 23, 2013 4:56 pm ]
Post subject:  Re: YCH Tesuji vol. 3 Problem 1.23
Yi Ch'ang-ho
Page 1 of 1 All times are UTC - 8 hours [ DST ]
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group
http://www.phpbb.com/