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L & D Series from cyberoro (5D PLUS) problem #180
Posted: Thu Sep 23, 2010 6:37 pm
by Magicwand
BLACK TO CAPTURE
$$Bcm1 Prisoners: W=0, B=0
Click Here To Show Diagram Code [go]$$Bcm1 Prisoners: W=0, B=0
Re: L & D Series from cyberoro (5D PLUS) problem #180
Posted: Fri Sep 24, 2010 6:50 am
by Cassandra
Magicwand wrote: BLACK TO CAPTURE
The main path isn't so difficult, is it ?
Re: L & D Series from cyberoro (5D PLUS) problem #180
Posted: Fri Sep 24, 2010 7:03 am
by Magicwand
Cassandra wrote: Magicwand wrote: BLACK TO CAPTURE
The main path isn't so difficult, is it ?
if 4 then what??? this problem gave me some hard time. there are not toomany variations but some moves are hard to see.
$$Bcm1
Click Here To Show Diagram Code [go]$$Bcm1
Re: L & D Series from cyberoro (5D PLUS) problem #180
Posted: Fri Sep 24, 2010 8:02 am
by Cassandra
There are problems, which are easier for weaker than for stronger players.
One example is this "snowman" by Chô U (hidden, because this might be slightly off-topic here).
From his 2006 book "Chô U no Tsume Go"
$$B
Click Here To Show Diagram Code [go]$$BThis problem is rated 4.5 stars out of 5, but there had been some low level SDK's coming up with a very elegant solution, not to be found in the book.
Re: L & D Series from cyberoro (5D PLUS) problem #180
Posted: Mon Sep 27, 2010 3:24 am
by DIV
$$Bcm1
Click Here To Show Diagram Code [go]$$Bcm1 is this right? I have worked it through and can't seem to find it being correct. 8 at j1.
can someone post the correct answer or message me with it?
Re: L & D Series from cyberoro (5D PLUS) problem #180
Posted: Mon Sep 27, 2010 4:29 am
by cyclops
Re: L & D Series from cyberoro (5D PLUS) problem #180
Posted: Tue Sep 28, 2010 2:48 am
by Magicwand
DIV wrote:
$$Bcm1
Click Here To Show Diagram Code [go]$$Bcm1 is this right? I have worked it through and can't seem to find it being correct. 8 at j1.
can someone post the correct answer or message me with it?
i posted the question so i will give you correct answer.
white dies.
$$Bcm1
Click Here To Show Diagram Code [go]$$Bcm1 $$Wcm1
Click Here To Show Diagram Code [go]$$Wcm1 text book answer will be as below
[hide]
$$Bcm1
Click Here To Show Diagram Code [go]$$Bcm1
Re: L & D Series from cyberoro (5D PLUS) problem #180
Posted: Wed Oct 20, 2010 8:26 pm
by ndkrempel
To follow up on the above, it would be wrong to capture white 6. It would lead to ko, as in the following main line:
$$Bcm1
Click Here To Show Diagram Code [go]$$Bcm1$$Wcm8
Click Here To Show Diagram Code [go]$$Wcm8$$Bcm13
Click Here To Show Diagram Code [go]$$Bcm13After black's mistake at 7, the above sequence is unique (except 10 and 12 can be played in the other order.) Verifying this is left as an exercise to the reader...