Author: Enrique Irazoqui
Date: 12:05:37 02/27/01
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On February 27, 2001 at 12:18:53, Sune Larsson wrote: > > [D]8/8/pp6/3b2K1/1P6/PN2k3/8/8 w - - 0 1 > > > This is old swedish chess history. The above position happened in a game > between Bergkvist and Stolz, Stockholm 1941. White is in deep trouble. > Knight moves to a1 or c2 will just lose the lonely one. But the knight > has a more brave possibility! 1.Na5!! actually saved the draw for white. > After 1.-bxa5 2.bxa5 black has the wrong bishop and white's king can just > make it to a1, if black goes for both the white a-pawns. > > The game went like this: 1.Na5!! Kd3 2.Kf6 Kc3 3.Ke5 Bg2 4.Kd6 b5 5.Kc5 Kb2 > 6.Kb6 Kxa3 7.Kxa6 ½-½ > > Test: This is a difficult one for chess programs and presupposes > extended knowledge about a/h pawn and the wrong bishop. > > Sune On the portable P750, Deep Shredder picks Na5 after 122 seconds. Junior 7 beta needs 18 minutes. Enrique
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