Author: allan johnson
Date: 15:04:02 02/07/06
Go up one level in this thread
On February 07, 2006 at 15:51:52, Andreas St. wrote: >Hi, > >here i have a nice position, where Rybka is in big trouble. >It doesnt find 1.Rxc7! I aborted the analyze with Rybka 13b (setting) >after one hour. Also the previous rybka betas don't find Rxc7. >Mephisto Vancouver from 1991 finds the right move in 8min 45s!!! But what score does it show? Fritz 9 evaluates it eventually at +4.4 Fritz 9 - Johnson,A, 180"/1 Sydney 2r5/2pR1pk1/p1P3p1/P2K4/5P1p/5P1P/8/8 w - - 0 1 Analysis by Fritz 9: 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf8 4.Kd5 f6 ² (0.61) Depth: 7/15 00:00:00 6kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.Kd3 Ke6 5.Ke4 f6 ² (0.54) Depth: 9/16 00:00:00 22kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.Kd3 Ke6 5.Ke4 f6 ² (0.54) Depth: 9/16 00:00:00 22kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.Kd3 Ke6 5.Ke4 f6 ² (0.54) Depth: 10/20 00:00:00 40kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.Kd3 Ke6 ² (0.54) Depth: 11/23 00:00:00 85kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.Kd3 Ke6 ² (0.54) Depth: 12/22 00:00:00 172kN 1.f5! ² (0.55) Depth: 12/23 00:00:00 327kN 1.f5! ² (0.70) Depth: 12/23 00:00:00 365kN 1.f5 Kf6 2.fxg6 fxg6 3.f4 g5 4.fxg5+ Kxg5 5.Ke5 Re8+ 6.Kd4 Rc8 7.Rg7+ Kf4 8.Rd7 Kg3 ± (0.84) Depth: 12/24 00:00:00 454kN 1.f5-- ² (0.55) Depth: 13/29 00:00:00 630kN 1.f5 g5 2.Ke5 Re8+ 3.Kd4 Rc8 4.Ke4 Re8+ ² (0.32) Depth: 13/30 00:00:01 805kN 1.Ke5! ² (0.33) Depth: 13/30 00:00:01 928kN 1.Ke5! ² (0.48) Depth: 13/30 00:00:01 967kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.Kd3 Ke6 ² (0.54) Depth: 13/30 00:00:01 1020kN 1.Rxc7! ² (0.55) Depth: 13/30 00:00:01 1255kN 1.Rxc7! ² (0.70) Depth: 13/30 00:00:02 1302kN 1.Rxc7! ± (1.02) Depth: 13/30 00:00:02 1371kN 1.Rxc7-- ³ (-0.44) Depth: 14/22 00:00:02 1389kN 1.Rxc7 Rxc7 2.Kd6 Rc8 3.Kd7 Ra8 4.c7 Kf6 5.c8Q µ (-1.23) Depth: 14/27 00:00:02 1748kN 1.Ke5! µ (-1.23) Depth: 14/27 00:00:02 1863kN 1.Ke5! µ (-1.07) Depth: 14/27 00:00:02 1900kN 1.Ke5! µ (-0.76) Depth: 14/27 00:00:02 1989kN 1.Ke5! = (-0.14) Depth: 14/27 00:00:03 2089kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.f5 gxf5 5.Kd5 ² (0.32) Depth: 14/29 00:00:03 2478kN 1.Ke5 Re8+ 2.Kd4 Rc8 3.Kc4 Kf6 4.f5 gxf5 5.Kd5 ² (0.29) Depth: 15/31 00:00:04 3307kN 1.f5! ² (0.30) Depth: 15/41 00:00:06 4518kN 1.f5 g5 2.Ke5 Re8+ 3.Kd4 Rc8 4.Kc4 Kf6 ² (0.30) Depth: 16/53 00:00:10 7507kN 1.f5 g5 2.Ke5 Re8+ 3.Kd4 Rc8 4.Kc4 Kf6 ² (0.30) Depth: 17/39 00:00:16 11365kN 1.f5 g5 2.Ke5 Re8+ 3.Kd4 Rc8 4.Ke4 Re8+ ² (0.30) Depth: 18/54 00:00:29 20732kN 1.Rxc7! ² (0.30) Depth: 18/54 00:00:53 38276kN 1.Rxc7! ² (0.46) Depth: 18/54 00:00:56 40574kN 1.Rxc7! ± (0.77) Depth: 18/54 00:01:01 44051kN 1.Rxc7! ± (1.39) Depth: 18/54 00:01:07 48812kN 1.Rxc7 Rxc7 2.Kd6 Rc8 3.Kd7 Ra8 4.c7 Kf6 5.c8Q Rxc8 6.Kxc8 +- (4.44) Depth: 18/54 00:01:31 66155kN 1.Rxc7 Rxc7 2.Kd6 Rc8 3.Kd7 Ra8 4.c7 Kf6 5.c8Q Rxc8 6.Kxc8 +- (4.44) Depth: 19/47 00:01:52 82001kN 1.Rxc7 Rxc7 2.Kd6 Rc8 3.Kd7 Ra8 4.c7 Kf6 5.c8Q Rxc8 6.Kxc8 +- (4.44) Depth: 20/52 00:02:27 109471kN 1.Rxc7 Rxc7 2.Kd6 Rc8 3.Kd7 Ra8 4.c7 Kf6 5.c8Q Rxc8 6.Kxc8 +- (4.44) Depth: 20/52 00:02:37 115967kN Al > >Here the position: > >2r5/2pR1pk1/p1P3p1/P2K4/5P1p/5P1P/8/8 w - - 0 1
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