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Completely Artificial Problem Discussion
Keywords: Problem
lavalyn takes on ANY tsumego regardless of difficulty
lavalyn: I am thoroughly convinced this is the first move of the killing sequences. While my depth and calculation do start failing at around move 12, this is the one I can't refute.
MattNoonan: I don't see an obvious refutation to this sequence:
I don't see any way for Black to continue except for a, but then:-
..but now Black can't play a without b, so White lives. So a in "White doesn't die 2" seems like a vital point of the shape. What if Black takes it?
..and White gets a ko. unkx80: Whoa... I thought I solved the problem last night, but actually I did not. Now I *think* I see the solution, so it's a double under the stones problem?
What about this ? --Nando Yes, this is the answer Nando. Yes, it's a double under the stones problem unkx80. MattNoonan got the correct sequence but was three moves away from the right answer. Quite difficult to read it in your head, no? :-) Nando: definitely ! ;) Thanx Lucky for providing it here :) unkx80: Thanks for such a nice problem! MattNoonan: So close! Great problem :) This is a copy of the living page "Completely Artificial Problem Discussion" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |