For lessons, as well as threads about specific moves, and anything else worth studying.
cyclops
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Posts: 801 Joined: Mon May 10, 2010 3:38 pmRank: KGS 7 kyu foreverGD Posts: 460Location: Amsterdam (NL)Has thanked: 353 times Been thanked: 107 times
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by cyclops Mon Dec 10, 2012 5:47 pm
Day #37 December 11th
5 yrs ago no solutions to the advanced problem were posted. Maybe because the
issues with the previous series. So solve it this time on your own risk as in real life.
#37a Advanced problem
$$BC
Click Here To Show Diagram Code [go]$$BC#37b Intermediate problem
$$BC
Click Here To Show Diagram Code [go]$$BC#37c Elementary problem
$$BC
Click Here To Show Diagram Code [go]$$BCedit: Hi MagicWand, you are welcome to take over. If you get more responses than this one I withdraw happily.
Josh Hatch
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Posts: 68 Joined: Wed Oct 26, 2011 7:11 pmGD Posts: 0Been thanked: 6 times
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by Josh Hatch Mon Dec 10, 2012 5:57 pm
The closest I can find for black is a direct ko.
#37a Advanced problem
$$Bc
Click Here To Show Diagram Code [go]$$Bc#37b Intermediate problem
$$Bc 7 at 1
Click Here To Show Diagram Code [go]$$Bc 7 at 1Note: 5 to the right of 2 would fail because after 6 and the throw in at 7 white connects at 5
$$Bc 7 at 1, 9 at 3, 10 to the right of 1
Click Here To Show Diagram Code [go]$$Bc 7 at 1, 9 at 3, 10 to the right of 1#37c Elementary problem
$$Bc
Click Here To Show Diagram Code [go]$$Bc
pancake
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by pancake Fri Jan 11, 2013 7:52 am
This ko is better for black. If white takes the ko and black takes the two stones, white still has to connect. In the other ko, white connected, then black took 2 stones.
$$BC
Click Here To Show Diagram Code [go]$$BC
Prodigious
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Posts: 31 Joined: Fri Apr 23, 2010 3:35 amRank: EGF 5 danGD Posts: 0Location: Helsinki, FinlandHas thanked: 2 times Been thanked: 17 times
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by Prodigious Fri Jan 11, 2013 5:03 pm
Here's an unconditional solution
$$BC
Click Here To Show Diagram Code [go]$$BC
IN VICTORY, MALICE. IN DEFEAT, REVENGE. DON'T GET MAD, GET BAD
cyclops
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Posts: 801 Joined: Mon May 10, 2010 3:38 pmRank: KGS 7 kyu foreverGD Posts: 460Location: Amsterdam (NL)Has thanked: 353 times Been thanked: 107 times
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by cyclops Sat Jan 12, 2013 6:12 pm
Prodigious wrote: Here's an unconditional solution .........
Wow. you make me happy.
OC I tried to refute your solution but the next variant for
fails.
$$Bc a&b are miai for B after this sequence
Click Here To Show Diagram Code [go]$$Bc a&b are miai for B after this sequenceThat is why the marked B stone is essential
fails.