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 Author: tchan001 [ Thu Jun 06, 2019 12:17 am ] Post subject: Tsumego Fun for Low Dan (2019 June 6th) Chapter 1 Foundation Problems - Problem 24 from a new book 基礎から始める河野臨の詰碁 ISBN9784839967307Rated as appropriate for low dan level. EnjoyBlack to move Click Here To Show Diagram Code`[go]\$\$Bc\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O . O X . . . . , \$\$ | . . . O X X X X X . \$\$ | O . . . O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`Will give the answer under hide in about a week or two.

 Author: Shaddy [ Thu Jun 06, 2019 7:22 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Click Here To Show Diagram Code`[go]\$\$Bc\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O 2 O X . . . . , \$\$ | . . 1 O X X X X X . \$\$ | O . . 3 O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`

 Author: Joaz Banbeck [ Thu Jun 06, 2019 8:37 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Without reading, my vital point sensibilities say this: Click Here To Show Diagram Code`[go]\$\$Bc\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O . O X . . . . , \$\$ | . . . O X X X X X . \$\$ | O . 1 . O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`

 Author: Joaz Banbeck [ Thu Jun 06, 2019 8:42 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Shaddy wrote: Click Here To Show Diagram Code`[go]\$\$Bc\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O 2 O X . . . . , \$\$ | . . 1 O X X X X X . \$\$ | O . . 3 O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`What if white does not get greedy? Click Here To Show Diagram Code`[go]\$\$Bc\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O . O X . . . . , \$\$ | . . 1 O X X X X X . \$\$ | O . 2 . O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`

 Author: Shaddy [ Thu Jun 06, 2019 8:50 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Joaz Banbeck wrote:Shaddy wrote: Click Here To Show Diagram Code`[go]\$\$Bc\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O 2 O X . . . . , \$\$ | . . 1 O X X X X X . \$\$ | O . . 3 O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`What if white does not get greedy? Click Here To Show Diagram Code`[go]\$\$Bc\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O . O X . . . . , \$\$ | . . 1 O X X X X X . \$\$ | O . 2 . O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`Just atari kills.

 Author: Knotwilg [ Thu Jun 06, 2019 10:03 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Two refutations Click Here To Show Diagram Code`[go]\$\$B\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O 3 O X . . . . , \$\$ | . 5 1 O X X X X X . \$\$ | O 6 2 4 O 0 . . X . \$\$ | . 8 . 9 7 . . . X . \$\$ +---------------------[/go]` Click Here To Show Diagram Code`[go]\$\$B\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O 6 O X . . . . , \$\$ | . 3 5 O X X X X X . \$\$ | O 4 1 2 O . . . X . \$\$ | . . . . . . . . X . \$\$ +---------------------[/go]`Main line: edit, no Click Here To Show Diagram Code`[go]\$\$B\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | 5 O 7 O X . . . . , \$\$ | 6 4 8 O X X X X X . \$\$ | O 3 1 2 O a b . X . \$\$ | . 9 . d . c . . X . \$\$ +---------------------[/go]`

 Author: Shaddy [ Thu Jun 06, 2019 10:18 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Click Here To Show Diagram Code`[go]\$\$B\$\$ | . . . . . . . . . . \$\$ | X X X X X . . . . . \$\$ | . O 3 O X . . . . , \$\$ | . 5 1 O X X X X X . \$\$ | O 6 2 4 O 0 . . X . \$\$ | . 8 . 9 7 . . . X . \$\$ +---------------------[/go]`5 @ 6In your main line, 6 @ 1-2 point makes ko

 Author: tchan001 [ Thu Jun 20, 2019 2:59 am ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th)

 Author: Joaz Banbeck [ Tue Jun 25, 2019 10:29 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) tchan001 wrote:... Click Here To Show Diagram Code`[go]\$\$B \$\$ ---------------------------------------\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | X X X X X . . . . . . . . . . . . . . |\$\$ | 5 O 7 O X . . . . , . . . . . , . . . |\$\$ | 6 4 8 O X X X X X . . . . . . . . . . |\$\$ | O 3 1 2 O 0 . . X . . . . . . . . . . |\$\$ | . 9 . . . . . . X . . . . . . . . . . |\$\$ ---------------------------------------[/go]`...then... Click Here To Show Diagram Code`[go]\$\$Bc \$\$ ---------------------------------------\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | X X X X X . . . . . . . . . . . . . . |\$\$ | X O X O X . . . . , . . . . . , . . . |\$\$ | O O O O X X X X X . . . . . . . . . . |\$\$ | O X X O O O . . X . . . . . . . . . . |\$\$ | . X . . . 1 . . X . . . . . . . . . . |\$\$ ---------------------------------------[/go]`...Ko... Click Here To Show Diagram Code`[go]\$\$Bc \$\$ ---------------------------------------\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | X X X X X . . . . . . . . . . . . . . |\$\$ | X O X O X . . . . , . . . . . , . . . |\$\$ | O O O O X X X X X . . . . . . . . . . |\$\$ | O X X O O O . . X . . . . . . . . . . |\$\$ | . X . . . . 1 . X . . . . . . . . . . |\$\$ ---------------------------------------[/go]`Maybe I'm missing something, but if black plays G1 instead of F1, I see no ko. White looks dead to me.I still think that C2 kills.

 Author: Shaddy [ Tue Jun 25, 2019 11:41 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Click Here To Show Diagram Code`[go]\$\$B \$\$ ---------------------------------------\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | X X X X X . . . . . . . . . . . . . . |\$\$ | 5 O . O X . . . . , . . . . . , . . . |\$\$ | 7 4 . O X X X X X . . . . . . . . . . |\$\$ | O 3 1 2 O . . . X . . . . . . . . . . |\$\$ | . 6 . . . . . . X . . . . . . . . . . |\$\$ ---------------------------------------[/go]`Ko Click Here To Show Diagram Code`[go]\$\$Bc \$\$ ---------------------------------------\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . , . . . . . , . . . . . , . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | . . . . . . . . . . . . . . . . . . . |\$\$ | X X X X X . . . . . . . . . . . . . . |\$\$ | X O X O X . . . . , . . . . . , . . . |\$\$ | O O O O X X X X X . . . . . . . . . . |\$\$ | O X X O O O . . X . . . . . . . . . . |\$\$ | . X . 3 . 2 1 . X . . . . . . . . . . |\$\$ ---------------------------------------[/go]`Seki

 Author: tchan001 [ Wed Jun 26, 2019 6:46 pm ] Post subject: Re: Tsumego Fun for Low Dan (2019 June 6th) Books are not always correct but as I am not a tsumego expert, I can only provide the answer from the book.

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