Page 1 of 1

tsumego #21

Posted: Sat Nov 24, 2012 5:28 pm
by cyclops
Day #21 November 25th
Black to play. Conditional solutions are suspect.
#21a Advanced problem
Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|........
$$|.XXXOO..
$$|.OOOX.O.
$$|.OXX.X..
$$|.O......
$$|.OX.....
$$|.XX.....
$$|........[/go]
#21b Intermediate problem
Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|.XXO....
$$|.O.OX.X.
$$|OOOOX...
$$|.XXXX...
$$|........
$$|.X......
$$|........[/go]
#21c Elementary problem
Click Here To Show Diagram Code
[go]$$Bc
$$--------
$$|.XX.OX.
$$|.OOO.X.
$$|OOXXX..
$$|XX.,...
$$|..X....
$$|.......[/go]

Re: tsumego #21

Posted: Sat Nov 24, 2012 6:36 pm
by Bill Spight
Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|..86....
$$|1XXXOO..
$$|4OOOX.O.
$$|.OXX.X..
$$|5O7.....
$$|9OX.....
$$|2XX.....
$$|.3......
$$|........
$$|........[/go]
:b5: prevents ko. :)
Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|.864....
$$|1XXXOO..
$$|7OOOX.O.
$$|9OXX.X..
$$|.O5.....
$$|.OX.....
$$|2XX.....
$$|.3......
$$|........
$$|........[/go]

Re: tsumego #21

Posted: Sat Nov 24, 2012 7:59 pm
by cyclops
thx Bill. I saw your :b1: . And I thought: "too easy!". But I never dreamt your variations.

#21b&c

Posted: Sun Nov 25, 2012 2:28 pm
by cyclops
Maybe today's problems are too easy. To see the other solutions press
The only solution in both cases is to play in the corner which gives a bent four.

Re: tsumego #21

Posted: Sun Nov 25, 2012 7:54 pm
by jts
Cyclops, just want to say I love this series, even if I don't post in every one. It's a pain to make diagrams on mobile devices, so I probably won't answer the tsumego in the thread unless no one else has posted, but please keep doing this! :)