Author: Mark Young
Date: 00:55:33 09/09/99
Go up one level in this thread
On September 09, 1999 at 02:22:03, Jouni Uski wrote: >Both claimed virtually impossible for programs (couple of years ago): > >1. 8/8/8/1k3p2/p1p1pPp1/PpPpP1Pp/1P1P3P/QNK2NRR w - - white wins > >2. 1R6/7K/8/5P2/8/8/3n2kp/8 w - - white draws > >I don't know solutions myself yet... > >Jouni Hiarcs 7.32 line of play looks to be a easy win in the first position. The second position should be able to be solved because of TB. I see the draw, so the computer should see it with tablebase once it sees it must exchange its Queen for the pawn. Then we are left with KR Vs KN. I will let Hiarcs search for a bit. New position 8/8/8/1k3p2/p1p1pPp1/PpPpP1Pp/1P1P3P/QNK2NRR w - - 0 1 Analysis by Hiarcs 7.32: 1.Kd1 Kc5 +- (28.66) depth: 1 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 2/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 3/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 4/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 5/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 6/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 7/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 8/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 9/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 10/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 11/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 12/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 13/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 14/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 15/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 16/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 17/2 00:00:00 1.Kd1 Kc5 +- (28.66) depth: 18/2 00:00:00 1.Kd1 Kc5 +- (28.91) depth: 19/30 00:00:03 217kN 1.Kd1 Kc5 2.Ke1 Kd5 3.Kf2 Ke6 4.Rg2 Kf6 5.Kg1 hxg2 6.Kxg2 Kg6 7.h3 gxh3+ 8.Kxh3 Kf6 9.g4 Kf7 10.gxf5 Ke8 +- (29.53) depth: 19/30 00:00:17 1154kN 1.Kd1 Kc5 +- (29.78) depth: 20/31 00:00:39 2338kN 1.Kd1 Kc5 2.Ke1 Kd5 3.Kf2 Ke6 4.Rg2 hxg2 5.Kxg2 Ke7 6.h4 gxh3+ 7.Rxh3 Kd7 8.g4 fxg4 9.Rh6 Ke8 10.Re6+ Kd8 11.Rxe4 Kd7 12.Rd4+ Kc6 13.Rxc4+ Kd6 +- (31.67) depth: 20/31 00:01:28 5940kN (Young, 9/9/99)
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