Author: Uri Blass
Date: 02:00:04 12/04/01
Go up one level in this thread
On December 04, 2001 at 04:28:41, Uri Blass wrote: >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 >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. I gave yace only material to analyze the position after h4 and it says that c3 is not losing more than a pawn after few minutes Qxh4 is also an interesting option and yace does not see a problem of more than a pawn with it even at depth 14 New position [D]r5k1/4R1pp/2b2q2/2Bp4/p1p4P/P4P2/1P1Q2P1/6K1 b - h3 0 1 Analysis by Yace 0.99.56: 1...Qxh4 µ (-0.80) Depth: 1 00:00:04 1...Qxh4 2.Qd4 µ (-0.80) Depth: 2 00:00:04 1...Qxh4 2.Qd4 Qxd4+ 3.Bxd4 µ (-0.80) Depth: 3 00:00:04 1...Qxh4 2.Qd4 Qxd4+ 3.Bxd4 g5 µ (-0.80) Depth: 4 00:00:04 1...Qxh4 2.Qd4 Qh6 3.Qd1 Ra6 µ (-0.80) Depth: 5 00:00:05 5kN 1...Qxh4 2.Qd4 Qh6 3.Qd1 Ra6 4.b4 µ (-0.80) Depth: 6 00:00:05 47kN 1...Qxh4 2.Rc7 Qh6 3.Qxh6 gxh6 4.Rxc6 c3 ³ (-0.40) Depth: 7 00:00:05 144kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 c3 = (0.00) Depth: 7 00:00:05 144kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 c3 5.Bxf6 = (0.00) Depth: 8 00:00:05 468kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Qh4 5.Rxg7+ Kf8 6.f4 = (0.00) Depth: 9 00:00:06 794kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qd8 6.Rxg7+ Kh8 ² (0.40) Depth: 10 00:00:08 1969kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ 6.Kf1 Qd3+ 7.Kf2 Bb5 8.Rc8+ Kf7 ² (0.70) Depth: 10 00:00:10 3218kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ 6.Kf1 Qd3+ 7.Kf2 Qc2+ 8.Ke3 Be8 9.Rc8 Kf7 ² (0.70) Depth: 11 00:00:34 17292kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Qd6 5.Rxg7+ Kf8 6.Rxh7 Bd7 7.Bg7+ Kg8 8.Qc2 ± (0.80) Depth: 12 00:01:09 38533kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Qd6 5.Rxg7+ Kf8 6.Qg5 Re1+ 7.Kf2 Qd8 8.Qxd8+ Be8 ± (1.20) Depth: 13 00:02:06 71270kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ 6.Qf2 Qf6 ± (1.20) Depth: 13 00:02:52 97933kN 1...c3 2.Qxc3 Qxc3 3.bxc3 Be8 4.Bd4 Bf7 5.Bxg7 Kxg7 6.Kh2 ± (1.19) Depth: 13 00:03:27 118775kN 1...c3 2.Qxc3 Qxc3 3.bxc3 Be8 4.Bd4 Bf7 5.Kh2 Kf8 6.Bc5 Kg8 7.Ra7 Rxa7 8.Bxa7 ± (0.80) Depth: 13 00:03:48 130108kN 1...c3 2.Qxc3 Qxc3 3.bxc3 Be8 4.Bd4 Bf7 5.Kh2 Kf8 6.Bc5 Kg8 7.Ra7 Rxa7 8.Bxa7 Be6 ± (0.80) Depth: 14 00:06:43 231999kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ 6.Qf2 Qf6 7.Rxg7+ Qxg7 8.Qe3 ± (0.79) Depth: 14 00:10:10 354639kN 1...Qxh4 2.Rc7 Re8 3.Bf2 Qf6 4.Bd4 Re1+ 5.Qxe1 Qxd4+ 6.Qf2 Qf6 ± (0.79) Depth: 14 00:10:34 367731kN (Blass, Tel-aviv 04.12.2001) Uri
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