Author: Jeremiah Penery
Date: 06:10:40 10/12/99
Go up one level in this thread
On October 12, 1999 at 08:47:57, Bernhard Bauer wrote: >Hallo, > > +---+---+---+---+---+---+---+---+ > 8 | | | | | | | *K| | > +---+---+---+---+---+---+---+---+ > 7 | | R | | | | | | | > +---+---+---+---+---+---+---+---+ > 6 | | | | | | | P | *P| > +---+---+---+---+---+---+---+---+ > 5 | | | | *R| *B| *P| | P | > +---+---+---+---+---+---+---+---+ > 4 | | P | | | | B | | | > +---+---+---+---+---+---+---+---+ > 3 | | | | | | | K | | > +---+---+---+---+---+---+---+---+ > 2 | | | | | | | | | > +---+---+---+---+---+---+---+---+ > 1 | | | | | | | | | > +---+---+---+---+---+---+---+---+ > a b c d e f g h >FEN: 6k/1R/6Pp/3rbp1P/1P3B/6K/8/8 w > >this is a position from Nisipeanu vs. Khalifman, Las Vegas, tie-break, game 2. > >Question: which program can solve this position? >IMHO no program can do, but who knows, so I ask. >G. Kasparov calls it a mutual Zugzvang position and in the variant he gives the >white rook is hold in prison. >The best move G. K. gives is Kf3 !! I assume this move wins for white? What is the variation? Just getting Kf3, my modified Crafty 16.18 does this in 1:46 (less than 2 minutes) at ply 13. This is the variation at ply 14 and 2 1/2 minutes: 14 2:34 6.12 1. Kf3 Bxf4 2. Kxf4 Rd1 3. Kxf5 Rf1+ 4. Ke6 Re1+ 5. Kf6 Rf1+ 6. Ke7 Re1+ 7. Kd6 Rd1+ 8. Ke5 Re1+ 9. Kd5 Rd1+ 10. Kc5 Rc1+ 11. Kd4 Rd1+ 12. Ke4 Kf8 I'll let it run all of today and see what happens. Jeremiah
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