Author: Uri Blass
Date: 01:28:41 12/04/01
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On December 03, 2001 at 18:32:09, Ingo Bauer wrote: >On December 03, 2001 at 15:37:56, Peter Berger wrote: > >>Golem - Bringer1.9ß11 >>[D]r5k1/4R1pp/2b2q2/2Bp4/p1p5/P4P2/1P1Q2PP/6K1 w - - 0 1 bm h4 >> >>The account Golem is running a current version of Gromit on an Athlon 1400. >> >>In this position Gromit found the nice and surprising shot h4 - the only road to >>a winning advantage for white. > >Hello Peter > >This is was YACE, Deep Shredder and Gandalf 4.32h Thinks about it on the same >Hardware as Gromit. The only prog. that finds it in a resonable time is (besides >Gromit) of course YACE (anyone doubt that?). > >Yes indeed, its a nice position! > >Engine: Yace 0.99.60 >by Dieter Buerssner > > 7.46 0:00 +0.32 1.Rc7 Qe6 2.h3 Re8 3.Qd4 Bd7 4.b4 (608.087) 707.0 > 8.01 0:01 +0.12 1.Rc7 Qe6 2.h3 Re8 3.Qc3 Bd7 4.Qd4 Kh8 (923.899) 745.6 > 8.02 0:01 +0.13++ 1.Qe2 Qg6 2.Bd4 Re8 3.Bxg7 Rxe7 4.Qxe7 c3 (977.770) 742.9 > 8.02 0:02 +0.28 1.Qe2 Bb5 2.h3 Kh8 3.Qd2 Rd8 4.Qa5 Rb8 (1.507.583) 739.0 > 8.03 0:02 +0.29++ 1.h3 Kh8 2.Rxg7 Qxb2 3.Qxb2 c3 4.Qxc3 Re8 (1.803.160) >738.6 > 8.03 0:02 +0.28-- 1.h3 Rc8 2.Qe3 Qg6 3.Rc7 Rxc7 4.Bd4 (1.979.204) 737.1 > 8.03 0:02 +0.28 1.Qe2 Bb5 2.h3 Kh8 3.Qd2 Rd8 4.Qa5 Rb8 (1.979.204) 737.1 > 8.22 0:03 +0.29++ 1.Qe1 Qg6 2.Bd4 Re8 3.Bxg7 Bd7 4.Rxe8+ Kxg7 (2.497.660) >738.7 > 8.22 0:03 +0.28-- 1.Qe1 Bb5 2.b4 axb3 3.Re6 Qf5 4.Kf2 (2.718.185) 735.8 > 8.22 0:03 +0.28 1.Qe2 Bb5 2.h3 Kh8 3.Qd2 Rd8 4.Qa5 Rb8 (2.718.185) 735.8 > 8.46 0:04 +0.28 1.Qe2 Bb5 2.h3 Kh8 3.Qd2 Rd8 4.Qa5 Rb8 (3.314.340) 738.3 > 9.01 0:07 +0.15 1.Qe2 Rc8 2.h3 Qg6 3.Qf2 Re8 4.Rc7 Qe6 5.b4 (5.866.185) >752.2 > 9.03 0:09 +0.16++ 1.h3 Rc8 2.Qd4 Qxd4+ 3.Bxd4 c3 4.bxc3 Kf8 5.Rxg7 h5 >(6.849.457) 756.5 > 9.03 0:11 +0.33 1.h3 Rd8 2.Rc7 Qg6 3.Qd1 h6 4.Be7 Re8 5.Qd4 (8.479.966) >748.3 > 9.46 0:13 +0.33 1.h3 Rd8 2.Rc7 Qg6 3.Qd1 h6 4.Be7 Re8 5.Qd4 (10.487.909) >762.0 > 10.01 0:17 +0.56 1.h3 Rc8 2.Ra7 Qh6 3.Qxh6 gxh6 4.Bd4 Bb7 5.Rxb7 Rc7 >(13.531.121) 754.2 > 10.46 0:21 +0.56 1.h3 Rc8 2.Ra7 Qh6 3.Qxh6 gxh6 4.Bd4 Bb7 5.Rxb7 Rc7 >(16.579.510) 760.9 > 11.01 0:33 +0.81 1.h3 h6 2.Qe3 Qg6 3.Bd4 Re8 4.Bxg7 Rxe7 5.Qxe7 Qxg7 6.Qe6+ >Kh7 7.Qxc6 Qxb2 8.Qxd5 (24.988.676) 754.6 > 11.46 0:55 +0.81 1.h3 h6 2.Qe3 Qg6 3.Bd4 Re8 4.Bxg7 Rxe7 5.Qxe7 Qxg7 6.Qe6+ >Kh7 7.Qxc6 Qxb2 8.Qxd5 (42.021.804) 759.5 > 12.01 1:12 +0.56 1.h3 Rc8 2.Qe3 Qg6 3.Bd4 Re8 4.Bxg7 Rxe7 5.Qxe7 Qxg7 6.Qe6+ >Kf8 7.Qxc6 Qxb2 8.Qh6+ Kf7 9.Qxh7+ Ke6 (54.434.605) 753.5 > 12.35 2:16 +0.57++ 1.h4 Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ >6.Qf2 Qd1+ 7.Kh2 Qb1 (102.002.024) 749.3 > 12.35 2:35 +0.75 1.h4 Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ 6.Kf1 >Qf6 7.Qc3 Qxc3 8.bxc3 (116.356.480) 746.2 > 12.46 3:01 +0.75 1.h4 Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ 6.Kf1 >Qf6 7.Qc3 Qxc3 8.bxc3 (134.590.702) 740.1 > 13.01 4:52 +1.14 1.h4 Rc8 2.Qe3 Qg6 3.h5 Qb1+ 4.Kh2 Qf5 5.Bd4 Qxh5+ 6.Kg1 >Rc7 7.Rxc7 Qxf3 (213.189.225) 728.9 > 13.46 5:58 +1.14 1.h4 Rc8 2.Qe3 Qg6 3.h5 Qb1+ 4.Kh2 Qf5 5.Bd4 Qxh5+ 6.Kg1 >Rc7 7.Rxc7 Qxf3 (263.186.085) 734.8 > 14.01 13:14 +1.17 1.h4 Re8 2.Rxe8+ Bxe8 3.Qxd5+ Qf7 4.Qe4 h6 5.Bf2 >(564.766.297) 710.9 > 14.05 14:45 +1.17 1.h4 Re8 2.Rxe8+ Bxe8 3.Qxd5+ Qf7 4.Qe4 h6 5.Bf2 >(633.113.364) 715.3 >best move: h2-h4 time: 14:45.092 min n/s: 715.327 nodes: 633.113.364 Yace found it only for positional reasons Here is yace only material version that cannot find it at depth 14(hardware p800 64 mbytes hash) I doubt if it is a good tactical position and I did not try to check if h4 Re8 wins more than a pawn for white. New position r5k1/4R1pp/2b2q2/2Bp4/p1p5/P4P2/1P1Q2PP/6K1 w - - 0 1 Analysis by Yace 0.99.56: 1.Rxg7+ Qxg7 -+ (-4.20) Depth: 1 00:00:03 1.Rc7 = (0.00) Depth: 1 00:00:03 1.Rc7 Qe6 = (0.00) Depth: 2 00:00:03 1.Rc7 Qe6 2.Qd4 = (0.00) Depth: 3 00:00:03 1.Rc7 Qe6 2.Ra7 Rxa7 = (0.00) Depth: 4 00:00:03 1.Rc7 Qe6 2.Ra7 Rxa7 3.Bxa7 = (0.00) Depth: 5 00:00:03 5kN 1.Rc7 Qe6 2.Ra7 Rxa7 3.Bxa7 Kf7 4.Qd4 = (0.00) Depth: 6 00:00:03 28kN 1.Rc7 Qe6 2.Ra7 Rxa7 3.Bxa7 Kf7 4.Kf2 Qg6 = (0.00) Depth: 7 00:00:04 93kN 1.Rc7 Qe6 2.Ra7 Rxa7 3.Bxa7 Kf7 4.Kf2 Qg6 5.Qd4 = (0.00) Depth: 8 00:00:04 368kN 1.Rc7 Qe6 2.Ra7 Rxa7 3.Bxa7 Kf7 4.Kf2 Qg6 5.Qd4 Qb1 = (0.00) Depth: 9 00:00:05 1140kN 1.Rc7 Qe6 2.Ra7 Rxa7 3.Bxa7 Kf7 4.Kf2 Qg6 5.Qd4 Qb1 6.Kg3 = (0.00) Depth: 10 00:00:07 2125kN 1.Rc7 Qe6 2.Ra7 Rxa7 3.Bxa7 Kf7 4.Kf2 Qg6 5.Qd4 Qb1 6.Kg3 Kg6 = (0.00) Depth: 11 00:00:14 6448kN 1.h3 Kh8 2.Rxg7 c3 3.bxc3 Qxf3 = (0.01) Depth: 11 00:00:35 19067kN 1.h3 c3 2.bxc3 Rd8 3.Qd4 Qxd4+ 4.cxd4 Kh8 5.Kf2 Re8 6.Rxe8+ Bxe8 7.Kf1 Bd7 ± (0.80) Depth: 11 00:00:41 22390kN 1.h3 c3 2.bxc3 Rb8 3.Qd4 Qxd4+ 4.Bxd4 Rb1+ 5.Kh2 Rb7 6.Re6 Bb5 7.Be5 Bc4 8.Rd6 Kf7 ± (0.80) Depth: 12 00:01:07 37296kN 1.h3 c3 2.bxc3 Rb8 3.Qd4 Qxd4+ 4.Bxd4 Rb1+ 5.Kh2 Rb7 6.Re6 Bb5 7.Be5 Bc4 8.Rd6 Kf7 9.g3 ± (0.80) Depth: 13 00:02:19 78536kN 1.h3 Re8 2.Rxe8+ Bxe8 3.Qxd5+ Kh8 4.Qxc4 Qxb2 5.Kh2 Qe5+ 6.f4 Qe1 7.Bd4 Qe7 8.Bb2 Bd7 9.Qc7 Kg8 10.g3 ± (0.80) Depth: 14 00:06:47 233823kN 1.h3 Re8 2.Rxe8+ Bxe8 3.Qxd5+ Kh8 4.Qxc4 Qxb2 5.Kh2 Qe5+ 6.f4 Qe1 7.Bd4 Qe7 8.Bb2 Bd7 9.Qc7 Kg8 10.Bc3 Kh8 ± (0.80) Depth: 15 00:16:29 562605kN (Blass, Tel-aviv 04.12.2001) Uri
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