Author: Andrew Walker
Date: 21:16:10 02/03/06
These two came from 15min + 15s games of Rybka 1.0 (the free version) vs Hiarcs 8 Bareev. Rybka found them quickly in the game due to its has from previous moves, but from scratch they appear a lot tricker. Shown is analysis from Fruit which did well at these, can any other engines find them quickly or shorter? I'm especially interested in seeing the output for Hiarcs 10, Fritz or the latest Rybka. Analysis is with 512Mb hash, 2.41 GHz Andrew [D] 8/4p1k1/1pq1p1p1/2p5/PP1b1P2/4rRPp/7P/3Q1R1K b - - 0 51 17: Hiarcs8 Bareev - Rybka 1.0 Beta 32-bit, USER-T77YSNQU7B, Blitz:15'+15" 8/4p1k1/1pq1p1p1/2p5/PP1b1P2/4rRPp/7P/3Q1R1K b - - 0 1 Analysis by Fruit 2.1: 51...Rxf3 52.Rxf3 ± (0.87) Depth: 1/5 00:00:00 51...Ra3 ² (0.66) Depth: 1/8 00:00:00 51...Qd5 ² (0.65) Depth: 1/10 00:00:00 51...Kh7 ² (0.62) Depth: 1/10 00:00:00 51...Kh7 52.bxc5 bxc5 ² (0.51) Depth: 2/10 00:00:00 51...Kh7 52.bxc5 bxc5 53.a5 ± (0.75) Depth: 3/10 00:00:00 51...Qd5 52.bxc5 Bxc5 53.Qa1+ Bd4 ² (0.51) Depth: 3/10 00:00:00 51...Qd5 52.bxc5 Bxc5 53.Qxd5 exd5 54.R3f2 = (-0.03) Depth: 4/12 00:00:00 51...Qd5 52.bxc5 Bxc5 53.Qxd5 exd5 54.Rxe3 Bxe3 55.Rb1 = (0.15) Depth: 5/18 00:00:00 51...Qd5 52.bxc5 Bxc5 53.Qxd5 exd5 54.Rxe3 Bxe3 55.Rb1 Kf6 = (0.00) Depth: 6/18 00:00:00 33kN 51...Qd5 52.bxc5 Bxc5 53.Qxd5 exd5 54.f5 Rxf3 55.Rxf3 Bd4 56.fxg6 Kxg6 = (0.01) Depth: 7/18 00:00:00 59kN 51...Ra3 52.bxc5 bxc5 53.Qe2 Rxa4 54.g4 Ra3 55.g5 = (-0.21) Depth: 7/18 00:00:00 98kN 51...Ra3 52.bxc5 bxc5 53.g4 Rxa4 54.Qe1 Ra3 55.Qg3 Rxf3 56.Rxf3 = (-0.20) Depth: 8/18 00:00:00 152kN 51...Ra3 52.Qe2 cxb4 53.g4 Qd5 54.Qd1 Ra1 55.Qe2 Rxa4 µ (-0.94) Depth: 9/21 00:00:01 366kN 51...Ra3 52.Qe2 cxb4 53.g4 Qd5 54.Qd1 Kg8 55.Qe2 Ra2 56.Qd3 µ (-0.93) Depth: 10/21 00:00:01 496kN 51...Ra3 52.Qe2 cxb4 53.g4 Qd5 54.Qd1 Kg8 55.Qe2 Rxa4 56.Qd3 Kh7 µ (-1.06) Depth: 11/25 00:00:02 821kN 51...Ra3 52.Qe2 cxb4 53.g4 Qd5 54.Qd1 Kg8 55.Qe2 Kf7 56.g5 Bc5 57.f5 exf5 µ (-1.29) Depth: 12/30 00:00:03 1340kN 51...Qe4 52.bxc5 Ra3 53.c6 Ra1 54.Qxa1 Bxa1 55.c7 Qc2 56.R3f2 Qc6+ 57.Rf3 Bd4 58.g4 Qxc7 59.Rxh3 -+ (-3.35) Depth: 12/30 00:00:04 1898kN 51...Qe4 52.f5 Ra3 53.bxc5 exf5 54.cxb6 Ra1 55.Qxa1 Bxa1 56.b7 Qxb7 57.R1f2 Qb1+ 58.Rf1 Qc2 59.R3f2 Qxa4 -+ (-5.81) Depth: 13/36 00:00:11 6522kN 51...Qe4 52.b5 Ra3 53.a5 bxa5 54.b6 Ra1 55.Qxa1 Bxa1 56.b7 Qxb7 57.g4 e5 58.fxe5 Bxe5 59.Kg1 -+ (-6.64) Depth: 14/47 00:01:19 52485kN 51...Qe4 52.b5 Ra3 53.g4 Ra1 54.Qxa1 Bxa1 55.f5 Qxg4 56.Rg3 Qe4+ 57.Rgf3 exf5 58.a5 bxa5 59.b6 Be5 -+ (-7.83) Depth: 15/47 00:01:52 74781kN 51...Qe4 52.bxc5 bxc5 53.g4 c4 54.Qxd4+ Qxd4 55.Rxh3 Rxh3 56.Kg2 Ra3 57.a5 Qe3 58.g5 Ra2+ 59.Kh1 Qe4+ 60.Rf3 Qxf3+ 61.Kg1 Qg2# -+ (-#11) Depth: 16/47 00:15:28 721005kN (Andrew, Sydney 04.02.2006) [D] 8/p5Q1/8/3p1k1p/6b1/4K3/P3P3/8 w - - 0 48 Analysis by Fruit 2.1: 48.Qxa7 +- (6.57) Depth: 1/1 00:00:00 48.Qxa7 Ke6 +- (6.54) Depth: 2/7 00:00:00 48.Qxa7 Kg6 49.Qd4 +- (6.76) Depth: 3/8 00:00:00 48.Qxa7 Ke6 49.Kf4 Kd6 50.Qb6+ Ke7 +- (6.70) Depth: 4/11 00:00:00 48.Qf7+ Ke5 49.Qf4+ Ke6 50.Kd4 Ke7 51.Qc7+ Bd7 52.Kxd5 +- (6.79) Depth: 4/14 00:00:00 48.Qf7+ Ke5 49.Qf4+ Ke6 50.Kd4 Ke7 51.Qg5+ Kf8 52.Qd8+ Kf7 53.Qxd5+ Kf6 +- (6.88) Depth: 5/16 00:00:00 48.Qf7+ Ke5 49.Qf4+ Ke6 50.Kd4 Ke7 51.Qg5+ Kf8 52.Qd8+ Kf7 53.Qxd5+ Kf6 54.Qe5+ Kg6 +- (6.91) Depth: 6/18 00:00:00 34kN 48.Kd4 Ke6 49.Qe5+ Kf7 50.Qxd5+ Kf6 51.Qd6+ Kf7 52.e4 +- (7.06) Depth: 6/18 00:00:00 73kN 48.Kd4 Ke6 49.Qe5+ Kf7 50.Qxd5+ Kf6 51.Qd6+ Kg5 52.Qe7+ Kg6 53.e4 +- (7.22) Depth: 7/20 00:00:00 137kN 48.Kd4 Ke6 49.Qe5+ Kd7 50.Qxd5+ Kc7 51.e4 Kb6 52.Qd6+ Kb5 53.Qc5+ Ka6 +- (7.32) Depth: 8/22 00:00:01 221kN 48.Kd4 Ke6 49.Qe5+ Kd7 50.Qxd5+ Kc7 51.e4 Be2 52.Qc5+ Kb8 53.Qe7 Bg4 +- (7.48) Depth: 9/24 00:00:01 377kN 48.Kd4 Ke6 49.Qe5+ Kd7 50.Qxd5+ Kc7 51.e4 Be2 52.Qc5+ Kb7 53.e5 Bg4 54.Qe7+ Kb6 +- (7.60) Depth: 10/26 00:00:01 691kN 48.Kd4 Ke6 49.Qg8+ Kd6 50.Qxd5+ Kc7 51.e4 Be2 52.Qc5+ Kb8 53.Qe7 a6 54.e5 Kc8 +- (7.76) Depth: 11/38 00:00:03 2940kN 48.Kd4 Ke6 49.Qg8+ Kd6 50.Qxd5+ Kc7 51.e4 Be2 52.Qf7+ Kb8 53.Qb3+ Ka8 54.Qg8+ Kb7 55.e5 Kb6 56.Qb8+ Kc6 57.Qxa7 +- (7.91) Depth: 12/38 00:00:05 4154kN 48.Kd4 Bxe2 49.Qe5+ Kg6 50.Qxe2 Kf5 51.Qxh5+ Kf6 52.Qxd5 Kg6 53.a4 Kf6 54.Qd6+ Kf7 55.a5 Ke8 56.Qb8+ Kd7 57.Qxa7+ Kd6 +- (11.36) Depth: 13/38 00:00:30 25546kN 48.Kd4 Bxe2 49.Qe5+ Kg4 50.Qxe2+ Kf5 51.Qe5+ Kg4 52.Ke3 h4 53.Qf4+ Kh5 54.Qf6 Kg4 55.Qg6+ Kh3 56.Kf3 a6 57.Qg2# +- (#10) Depth: 14/38 00:01:38 97580kN
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