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Subject: Fortress: is there an engine that can solve this?

Author: Peter Kasinski

Date: 11:23:33 12/18/05


I came across this position in GM Speelman's lovely "Endgame Preparation":

[D]1R6/8/8/5bp1/4p2k/8/B1p2PKP/8 w - - 0 1

It's a study from 1934, by V. Chekhover:

1 Rb1! cbQ 2 Bxb1 e3! 3 Bxf5! e2 4 Bg4!! e1Q 5 h3 and (to quote): "Despite
Black's huge material advantage he has no way, with his king isolated, to
produce even a chip in the white fotress."

I tried Deep Shredder 9, Deep Junior 9, Fruit 2.2.1, and 2 hours on dual core
AMD 2.4 GHz was not enough. Actually, even entering the above sequence of moves
does not make them display a draw score, even though holding this position (by
walking White king around the pawn on f2) is trivial.

Wonder if there is an engine that could solve this sort of thing...

Thanks,
PK



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