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Beginner Exercise 30 Solution
This one is hard - I was going to request hints for this one! lavalyn Preamble:
The marked Black stones have only two turns of aji left in them - the first move is nearly certain to be ate.
After this sequence up to White 4, Black needs at least three turns to capture the eye - because strange things happen in the corner?. Black must first connect before taking the corner liberty - and by then it's too late.
Black now needs at least 5 turns to kill White - she could tenuki here without worry. Black 3 dies in gote.
The only sequence. A Black win of this ko captures first the marked White stone, followed by the rest of the group. Notice that White captures first - but it's better than death. Question - so this is a two step ko? unkx80: Yes, this is a two step ko. This is also the solution. If white 2 plays at 3, black will catch all the white stones in a snapback at a.
Like Variation a, Black needs three turns in this variation, and dies in a similar fashion.
This is a copy of the living page "Beginner Exercise 30 Solution" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |