Author: Timothy J. Frohlick
Date: 22:16:03 01/15/03
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Ali, Hiarcs 8.0 on my old PII 333MHz with 32MB hash tables solved this in a rather short time. Hiarcs 8 - r2nnk2/2pb4/3p1p2/1q1Pp1p1/2N1P1Pp/1NQ4P/4BP2/1R4K1 w - - 0 1 Analysis by Hiarcs 8: 1.Nxe5 Qxe2 2.Nxd7+ Kf7 = (-0.09) Depth: 1 00:00:00 1.Nxe5 Qa4 ± (1.27) Depth: 2/13 00:00:00 1.Nxe5 Qa4 ± (1.27) Depth: 2/13 00:00:00 1.Nxe5 Qxe2 ± (0.96) Depth: 3/13 00:00:00 1.Nxe5 Qxe2 2.Nxd7+ Ke7 3.Re1 ² (0.48) Depth: 3/13 00:00:00 1.Nxe5 Qxe2 2.Nxd7+ Ke7 3.Re1 ² (0.48) Depth: 4/13 00:00:00 1.Nxe5 Qxe2 = (0.23) Depth: 5/14 00:00:01 5kN 1.Nxe5 Qxe2 2.Nd4 Qxe4 3.Nxd7+ Kf7 4.Rb5 µ (-0.71) Depth: 5/19 00:00:01 7kN 1.Nbd2 Qc5 2.Nb3 Qa7 3.Qf3 ³ (-0.49) Depth: 5/19 00:00:02 12kN 1.Bd3 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 ³ (-0.35) Depth: 5/19 00:00:03 38kN 1.Qe1 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 ³ (-0.32) Depth: 5/19 00:00:03 47kN 1.Qe1 Ra2 ³ (-0.57) Depth: 6/19 00:00:04 67kN 1.Qe1 Ra2 2.Nbd2 Qc5 ³ (-0.67) Depth: 6/19 00:00:04 74kN 1.Nbd2 Qc5 2.Nb3 Qa7 3.Ra1 Qb7 ³ (-0.57) Depth: 6/19 00:00:04 80kN 1.Qd3 c6 2.Nd4 Qc5 3.Nb6 Ra7 ³ (-0.55) Depth: 6/19 00:00:05 112kN 1.Qd3 Qb4 2.Nd4 Qc5 3.Nf5 Bxf5 4.gxf5 ³ (-0.50) Depth: 7/19 00:00:07 183kN 1.Bd3 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ne3 c5 5.dxc6 Qxc6 6.Qxc6 Nxc6 ³ (-0.40) Depth: 7/19 00:00:09 254kN 1.Bd3 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ne3 c5 5.dxc6 Nxc6 ³ (-0.45) Depth: 8/24 00:00:16 511kN 1.Bd3 Qb7 = (-0.20) Depth: 9/24 00:01:08 2210kN 1.Bd3 Qb7 = (-0.20) Depth: 9/24 00:01:10 2251kN 1.Bd3 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ne3 c5 5.dxc6 Qxc6 6.Qxc6 Nxc6 7.Rb7 Ra1+ 8.Kg2 Nd4 = (-0.22) Depth: 10/27 00:01:47 3837kN 1.Bd3 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ne3 c5 5.dxc6 Qxc6 6.Qb3 Ra5 7.Nd5 Ne6 ³ (-0.26) Depth: 11/29 00:02:59 6685kN 1.Nxe5 Qxe2 = (0.03) Depth: 11/32 00:03:57 8785kN 1.Nxe5 Qxe2 = (0.03) Depth: 11/32 00:04:19 9687kN (Frohlick, MyTown 15.01.2003) It seems odd that an 1800 Mhz machine took proportionately longer to solve this problem TJF On January 15, 2003 at 20:26:03, ALI MIRAFZALI wrote: >The follwing position is from the Correspondence Game between Alik Zilberberg >(2590) and the 8th World Correspondence Champion Jorn Sloth (2620) of Denmark >[D]r2nnk2/2pb4/3p1p2/1q1Pp1p1/2N1P1Pp/1NQ4P/4BP2/1R4K1 w >Alik Zilberberg played 39.Nxe5!! and the former World Champion Resigned after >39....Qxe2 40.Nxd7+ Ke7 41.Rel Qb5 42.Nxf6 Nxf6 43.e5 dxe5 44.Rxe5+ Kf7 45.Rxg5 >Qb6 46.Rf5 Kg6 47.Nc5 Nxd5 48.Rxd5 Qb1+ 49.Kg2 Ra1 50.Rg5+ (1-0) >HIARCS8 finds39.Nxe5!! after 1:42 running at 1800 MHZ.The list of programs that >have failed even after a very long think include:Fritz Chessmaster Mchess Comet >GNU chess and the list keeps growing...................
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