Completely Artificial Problem

  Difficulty: Expert   Keywords: Life & Death, Problem

There was a time I was in Bucharest for a tournament. One Saturday evening I went with some Go players to a friend of ours to drink some beers and analyze our games. Late in the night Cristian Pop 6 dan showed us this problem, saying he knows it from Leszek Soldan 6 dan from Poland :-).

We looked at it for about a quarter of an hour and nobody got the right answer. Some were on the right way but couldn't go to the last move. Then Cristi showed us the answer and we could continue our beers.

[Diagram]

Black to move and kill white.

This position can never happen in a real game. That's why I call it 'artificial'. Still, it is very interesting and quite difficult. The answer is not a ko. -- Lucky

lavalyn: Opening the discussion for a solution.

Solution.


I got shown this problem by O Rissei the day after the 1st Game of the 2002 Kisei title match in London, and have since shown it to a lot of people. (Sorry, outrageous name dropping.)

You don't need so many outside liberties. The form below works. -- Tim Hunt

[Diagram]

Black to move and kill White


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