Author: Uri Blass
Date: 12:36:10 10/19/01
Go up one level in this thread
On October 18, 2001 at 12:20:30, Dieter Buerssner wrote: >Thanks for the positions. > >I ran it with Yace, AMD K6-2 475, 30 M hash. In one minute, 31 positions were >solved. The unsolved ones: It seems that 800>475*2 because yace on pIII800 40M hash under chessbase is clearly more than twice faster in all of these positions. 40M hash is more than 30M hash but the difference is not supposed to be significant because I know that the common opinion is that doubling the hash tables gives only 6-7 elo. > >r2r2k1/1b2bp1p/p4npQ/1p1Pp1N1/Pnq1P3/R5N1/5PPP/1BBR2K1 w - - bm Nh5; id >"WCSAC.0450"; > >Solved after 1:29. I thought a mate in 7, that also has 2 checking moves in the >line should be doable in one minute - but ... only 25 seconds on p800 New position r2r2k1/1b2bp1p/p4npQ/1p1Pp1N1/Pnq1P3/R5N1/5PPP/1BBR2K1 w - - 0 1 Analysis by Yace 0.99.56: 1.Nxf7 Kxf7 2.axb5 axb5 3.Rxa8 Rxa8 -+ (-1.88) Depth: 1 00:00:00 1.axb5 axb5 2.Rxa8 Rxa8 ² (0.32) Depth: 1 00:00:00 1.Bb2 ² (0.42) Depth: 1 00:00:00 1.Bb2 Bd6 2.axb5 axb5 3.Rxa8 Rxa8 ² (0.36) Depth: 2 00:00:00 1.Bb2 Bf8 2.Qh3 Nbxd5 3.exd5 Bxa3 4.Bxa3 Bxd5 = (0.24) Depth: 3 00:00:00 1.axb5 Bf8 = (0.25) Depth: 3 00:00:00 1.axb5 Bf8 2.Qh3 axb5 = (0.17) Depth: 3 00:00:00 1.Bb2 Bf8 2.Qh3 Nbxd5 3.exd5 Bxa3 4.Bxa3 Bxd5 = (0.24) Depth: 3 00:00:00 1.Bb2 Bf8 2.Qh3 Bd6 = (0.17) Depth: 4 00:00:00 1.Rf3 bxa4 2.Bb2 Qa2 = (0.18) Depth: 4 00:00:00 1.Rf3 Bf8 2.Qh3 Bc8 ² (0.45) Depth: 4 00:00:00 1.Rf3 Bf8 2.Qh3 Bc8 3.Qh4 Nbxd5 4.Nxh7 = (-0.01) Depth: 5 00:00:00 43kN 1.Rf3 Bf8 2.Qh4 Rxd5 3.Bd2 µ (-0.80) Depth: 5 00:00:00 43kN 1.Bb2 Bf8 2.Qh3 Bh6 µ (-0.79) Depth: 5 00:00:00 43kN 1.Bb2 Bf8 2.Qh3 Bc8 3.Qh4 Rxd5 µ (-0.79) Depth: 5 00:00:00 43kN 1.axb5 Bf8 2.Qh3 Bh6 µ (-0.78) Depth: 5 00:00:00 43kN 1.axb5 Bf8 2.Qh3 axb5 3.Bb2 Rxa3 4.Bxa3 ² (0.28) Depth: 5 00:00:00 43kN 1.axb5 Bf8 2.Qh3 Bc8 3.Qh4 Rxd5 = (-0.05) Depth: 6 00:00:01 314kN 1.Rf3 Bf8 2.Qh4 Qxc1 3.Rxc1 bxa4 = (-0.04) Depth: 6 00:00:01 314kN 1.Rf3 Bf8 2.Qh4 Nbxd5 3.Nxf7 Rdc8 4.Nxe5 Qxa4 ² (0.48) Depth: 6 00:00:01 314kN 1.Rf3 Bf8 2.Qh3 Bc8 3.Qh4 Rxd5 4.Bd2 Bf5 = (0.10) Depth: 8 00:00:07 2399kN 1.Nh5 gxh5 2.Rg3 bxa4 3.Ne6+ Kh8 4.Nxd8 Bf8 = (0.11) Depth: 8 00:00:25 8527kN 1.Nh5 gxh5 2.Rg3 bxa4 3.Ne6+ Ng4 4.Rxg4+ Bg5 5.Nxd8 Nxd5 ± (0.88) Depth: 8 00:00:28 9349kN 1.Nh5 gxh5 2.Rg3 Qxc1 3.Rxc1 Nbxd5 4.exd5 Rd7 5.axb5 Nxd5 6.bxa6 Bxa6 7.Nxh7+ Kh8 +- (6.88) Depth: 8 00:00:37 11411kN 1.Nh5 gxh5 2.Rg3 Qc3 3.Rxc3 Rac8 4.Rg3 h4 5.Qxh4 +- (7.93) Depth: 8 00:00:40 12263kN 1.Nh5 gxh5 2.Rg3 Qc3 3.Rxc3 Rd6 4.Rg3 h4 5.Qxh4 +- (7.99) Depth: 9 00:00:45 13808kN 1.Nh5 gxh5 2.Rg3 Qc3 3.Bd3 Qe1+ 4.Rxe1 Ng4 5.Rxg4 Kh8 +- (8.39) Depth: 10 00:01:06 20493kN 1.Nh5 gxh5 2.Rg3 Qc3 3.Bd3 Qe1+ 4.Rxe1 bxa4 5.Ne6+ Kh8 6.Nxd8 Nbxd5 +- (9.39) Depth: 10 00:01:24 24700kN 1.Nh5 gxh5 2.Rg3 Qc3 3.Bd3 Qe1+ 4.Rxe1 Bd6 5.Qxf6 Nxd5 6.exd5 Rac8 7.axb5 Bxd5 8.bxa6 +- (14.39) Depth: 10 00:01:35 28525kN 1.Nh5 gxh5 2.Rg3 Qc3 3.Be3 Qe1+ 4.Rxe1 Bf8 5.Qxf6 Ra7 6.Nxf7+ Bg7 +- (#7) Depth: 10 00:01:42 32806kN (Blass, Tel-aviv 19.10.2001) > >k1q1bbrr/1p3pp1/p7/5n1n/PP2N2p/1NP5/1BB1Q1PP/2R2R1K b - - bm Bb5; id >"WCSAC.0582"; > >Solved after 2:49 1:20 on p800 New position k1q1bbrr/1p3pp1/p7/5n1n/PP2N2p/1NP5/1BB1Q1PP/2R2R1K b - - 0 1 Analysis by Yace 0.99.56: 1...Bxb4 2.cxb4 Bxa4 +- (2.89) Depth: 1 00:00:00 1...Bxa4 = (-0.14) Depth: 1 00:00:00 1...Bxa4 2.Rce1 = (0.12) Depth: 2 00:00:00 1...Bxa4 2.Ra1 Bc6 = (-0.06) Depth: 3 00:00:00 1...Bxa4 2.Ra1 Bc6 3.Rfe1 = (0.08) Depth: 4 00:00:00 1...Qe6 2.Ra1 Nfg3+ 3.Kg1 Nxe2+ 4.Kh1 = (0.07) Depth: 4 00:00:00 1...Qe6 2.Nd4 Nxd4 3.cxd4 = (0.06) Depth: 4 00:00:00 1...Qe6 2.Qf3 Qxb3 3.Bxb3 Bxa4 ² (0.46) Depth: 5 00:00:00 46kN 1...Qe6 2.Qf3 g6 3.Nbc5 Qc4 ± (0.72) Depth: 5 00:00:00 53kN 1...Bxa4 2.Ra1 Bc6 3.g4 ± (0.71) Depth: 5 00:00:00 53kN 1...Bxa4 2.Qf3 g6 3.c4 Bh6 = (0.07) Depth: 5 00:00:00 53kN 1...Bxa4 2.Qf3 g6 3.c4 Bxb4 4.Bxh8 = (0.10) Depth: 6 00:00:00 203kN 1...Qe6 2.Qf3 Nhg3+ 3.Nxg3 Nxg3+ 4.hxg3 hxg3+ 5.Bh7 Rxh7+ 6.Qh5 Rxh5+ 7.Kg1 = (0.09) Depth: 6 00:00:01 203kN 1...Qe6 2.Qd2 h3 3.g4 Bc6 4.Rce1 = (0.07) Depth: 6 00:00:01 350kN 1...Bc6 2.Qf3 Nfg3+ 3.hxg3 Nxg3+ 4.Nxg3 Bxf3 5.Nd4 = (0.06) Depth: 6 00:00:01 350kN 1...Bc6 2.Kg1 Bxa4 3.Ng5 Bxb3 4.Bxb3 = (0.04) Depth: 6 00:00:02 350kN 1...Bc6 2.Kg1 Bxa4 3.Ra1 Bd7 4.b5 Rh6 ² (0.31) Depth: 7 00:00:03 942kN 1...Qe6 2.Qd2 h3 3.Nbc5 Bxc5 4.Nxc5 hxg2+ 5.Kxg2 Bc6+ 6.Kf2 ² (0.30) Depth: 7 00:00:03 975kN 1...Qe6 2.Qd2 h3 3.Rxf5 Qxf5 4.Qd8+ Ka7 5.Qxe8 hxg2+ 6.Kxg2 Bxb4 = (-0.03) Depth: 7 00:00:04 1322kN 1...Bxa4 2.Qf3 Nhg3+ 3.hxg3 hxg3+ 4.Kg1 Bc5+ 5.Rf2 gxf2+ 6.Nxf2 Bxf2+ 7.Qxf2 Bxb3 8.Bxb3 = (-0.04) Depth: 8 00:00:19 6302kN 1...Bxa4 2.Nd4 Nxd4 3.cxd4 Bxc2 4.Rxc2 Qe6 5.Nc5 Bxc5 6.bxc5 = (-0.09) Depth: 8 00:00:24 7862kN 1...Bxa4 2.Nd4 Bxc2 3.Rxc2 g6 4.b5 h3 5.g4 Nxd4 6.cxd4 = (-0.18) Depth: 9 00:00:51 17079kN 1...Qe6 2.Qd2 h3 3.Rxf5 Qxf5 4.Qd8+ Ka7 5.Qxe8 hxg2+ 6.Kxg2 Nf4+ 7.Kf1 Bxb4 8.Nd4 Rxe8 9.Nxf5 = (-0.19) Depth: 9 00:01:03 20762kN 1...Qe6 2.Qd2 h3 3.Rxf5 Qxf5 4.Qd8+ Ka7 5.Qxe8 hxg2+ 6.Kxg2 Nf4+ 7.Kh1 Bxb4 8.Nd4 = (-0.23) Depth: 9 00:01:13 23748kN 1...Bb5 2.axb5 Nhg3+ 3.Nxg3 Nxg3+ 4.hxg3 hxg3+ 5.Kg1 Rh1+ 6.Kxh1 Rh8+ 7.Qh5 Rxh5+ 8.Kg1 Bc5+ 9.Rf2 gxf2+ 10.Kf1 Bxb4 11.cxb4 Kb8 12.Nd4 Rh1+ 13.Ke2 = (-0.24) Depth: 9 00:01:20 26528kN 1...Bb5 2.axb5 Nhg3+ 3.Nxg3 Nxg3+ 4.hxg3 hxg3+ 5.Kg1 Rh1+ 6.Kxh1 Rh8+ 7.Qh5 Rxh5+ 8.Kg1 Bc5+ 9.Rf2 gxf2+ 10.Kf1 Bxb4 11.cxb4 Kb8 12.b6 Rh1+ 13.Ke2 ³ (-0.49) Depth: 9 00:01:21 26856kN 1...Bb5 2.axb5 Nhg3+ 3.Nxg3 Nxg3+ 4.hxg3 hxg3+ 5.Kg1 Rh1+ 6.Kxh1 Rh8+ 7.Qh5 Rxh5+ 8.Kg1 Bc5+ 9.Rf2 gxf2+ 10.Kf1 Bxb4 11.cxb4 Rh1+ 12.Kxf2 Rxc1 13.bxa6 -+ (-1.49) Depth: 9 00:01:25 27968kN (Blass, Tel-aviv 19.10.2001) > >rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w KQ - bm Bxg6; id >"WCSAC.0965"; > >Solved after 3:12 1:14 New position rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w KQ - 0 1 Analysis by Yace 0.99.56: 1.Bxg6 fxg6 2.Qxg6 = (0.10) Depth: 1 00:00:00 1.Rc1 ± (1.16) Depth: 1 00:00:00 1.Rc1 Kf8 ± (0.81) Depth: 2 00:00:00 1.Rc1 Nd7 2.g3 ± (0.98) Depth: 3 00:00:00 1.0-0-0 Re4 ± (1.03) Depth: 3 00:00:00 1.0-0-0 Nd7 2.Kb1 ± (1.13) Depth: 3 00:00:00 1.0-0-0 Nd7 2.Kb1 Kf8 ± (0.77) Depth: 4 00:00:00 1.Rc1 Bxd4 2.Nxd4 Kf8 ± (0.78) Depth: 4 00:00:00 1.Rc1 Nd7 2.Qb3 c6 ± (0.80) Depth: 4 00:00:00 1.Rc1 c5 2.Bb5 Nd7 3.Ne2 ± (0.77) Depth: 5 00:00:00 39kN 1.0-0-0 Qg5 2.Nxg5 Kf8 ± (0.78) Depth: 5 00:00:00 39kN 1.0-0-0 Nc6 2.Kb1 Nb4 3.Qd2 Nxd3 4.Qxd3 ± (1.06) Depth: 5 00:00:00 39kN 1.0-0-0 Nc6 2.Kb1 Nb4 3.Qb3 Nxd3 ± (0.89) Depth: 6 00:00:00 86kN 1.0-0-0 c5 2.dxc5 bxc5 3.Na4 Nd7 4.Nxc5 Rc8 ± (0.90) Depth: 7 00:00:01 349kN 1.Qb3 Nc6 2.0-0-0 a6 3.Qxd5 Qxd5 4.Nxd5 Nxd4 5.Nxb6 Nxf3 6.Nxa8 ± (0.91) Depth: 7 00:00:03 955kN 1.Qb3 Qd6 2.0-0-0 c5 3.Kb1 Nd7 4.Qb5 ± (0.91) Depth: 7 00:00:03 955kN 1.Qb3 c6 2.0-0-0 Qd7 3.Qa4 c5 4.Qa3 cxd4 ± (0.74) Depth: 8 00:00:07 1901kN 1.0-0-0 c5 2.dxc5 bxc5 3.Bc4 Nd7 4.Nxd5 Rxe3 ± (0.75) Depth: 8 00:00:07 2208kN 1.0-0-0 Nd7 2.Kb1 c5 3.Bb5 a6 4.Ba4 b5 ± (0.76) Depth: 8 00:00:09 2778kN 1.0-0-0 Nd7 2.Kb1 c5 3.Qa4 cxd4 4.Nxd4 Nc5 5.Qb5 Kf8 ± (0.83) Depth: 9 00:00:21 6600kN 1.0-0-0 Nd7 2.Kb1 c5 3.Bb5 a6 4.Bxd7 Qxd7 5.Na4 cxd4 6.Nxb6 ± (0.80) Depth: 10 00:01:00 18978kN 1.Bxg6 fxg6 2.Qxg6 Kf8 3.Ng5 Qe7 4.Qf5+ Bf6 5.Rh8+ Kg7 6.Nxd5 Rxh8 7.Nxe7 Bxg5 8.Qxg5+ Kf8 ± (0.81) Depth: 10 00:01:14 23844kN 1.Bxg6 fxg6 2.Qxg6 Qe7 3.Ng5 Kf8 4.Rh7 c6 5.Rxg7 Qxg7 6.Nh7+ Ke7 7.Qxg7+ Ke6 ± (1.23) Depth: 10 00:01:19 25288kN (Blass, Tel-aviv 19.10.2001) Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.