Author: Dan Andersson
Date: 05:23:19 10/23/04
Go up one level in this thread
On October 22, 2004 at 22:20:49, Jeff Lischer wrote: >On October 22, 2004 at 16:17:19, Mihaly Szalai wrote: > >>On October 22, 2004 at 13:49:53, Dieter Buerssner wrote: >> >> >>> >>[D] 4R3/8/1P1p4/8/2p1kpP1/1r6/1P3K2/8 b - - 2 50 >> >>Please, examine this variations: >> >>50... Kd4 51. g5 Rxb2+ 52. Kf3 Rxb6 53. g6 Rb7 54. Re4+ Kd3 (54... Kc3 55. Kxf4 >>) > >I tried Shredder 7.04 and Pro Deo. They both played your main line up to this >point. Here though, Shredder gives a convincing score for 54. ... Kc3 55. Kxf4 >and Pro Deo's evaluation is increasing. The continuation lines are as follows: > >Shredder 7.04 UCI1 230 MB: >17 01:37 3.75 d6d5 Re4e1 Rb7g7 Kf4f5 d5d4 Re1c1+ Kc3b3 Rc1b1+ Kb3c2 Rb1b4 >Kc2c3 Rb4b1 d4d3 Rb1h1 >18 07:32 3.75 d6d5 Re4e3+ Kc3d4 Re3e8 c4c3 Kf4g3 c3c2 Re8c8 Rb7b3+ Kg3h2 >Rb3c3 g6g7 c2c1Q g7g8Q Rc3xc8 Qg8g2 Kd4d3 Qg2g3+ Kd3d2 Qg3g2+ Kd2c3 Qg2g3+ Kc3c2 >Qg3g2+ Kc2b3 Qg2a2+ Kb3xa2 >19+ 17:36 4.00 d6d5 Re4e3+ Kc3d4 Re3e8 c4c3 Kf4g3 c3c2 Re8c8 Rb7b3+ Kg3h2 >Rb3c3 g6g7 c2c1Q g7g8Q Rc3xc8 Qg8g2 Kd4d3 Qg2g3+ Kd3d2 Qg3g2+ Kd2c3 Qg2g3+ Kc3b2 >Qg3g2+ Kb2b3 Qg2xd5+ Qc1c4 >19 23:52 4.48 d6d5 Re4e1 Rb7g7 Kf4f5 d5d4 Re1c1+ Kc3b3 Rc1b1+ Kb3c2 Rb1b4 >Kc2d3 Kf5e5 Rg7xg6 Rb4b1 c4c3 Ke5f4 Rg6f6+ Kf4e5 Rf6c6 Rb1b4 c3c2 Rb4b1 > > >Pro Deo 1.0 UCI1 200 MB: >12 00:08 1.28 d6d5 Re4e1 Rb7b8 Re1g1 >13 00:23 1.42 d6d5 Re4e1 Kc3b2 Re1g1 Rb7g7 >14 00:37 1.44 d6d5 Re4e1 Rb7b8 Re1g1 >15 01:16 1.63 d6d5 Re4e1 Rb7b8 Re1g1 >16 02:28 1.60 d6d5 Re4e1 Rb7b8 Re1g1 >17 06:13 1.87 d6d5 Re4e1 Rb7g7 Re1g1 d5d4 Rg1c1+ Kc3b3 Kf4e5 > Running an engine with good knowledge of rook endgames produce an output the is severely depressing for white. And the evaluation after Re3+ Kd4 is provided below the first position: Engine UCI 71 MB 933MHz Cu-Mine: 13 00:50 -3,29 Re4e1 Rb7g7 Re1g1 d5d4 Rg1c1+ Kc3b3 Rc1g1 d4d3 Kf4e3 Rg7e7+ Ke3d2 Re7e2+ Kd2c1 c4c3 g6g7 Re2c2+ Kc1d1 Rc2d2+ Kd1e1 14- 01:08 -4,00 Re4e1 Rb7g7 Re1g1 d5d4 Rg1c1+ Kc3b3 Rc1g1 d4d3 Kf4e3 Rg7e7+ Ke3d2 Re7e2+ Kd2c1 c4c3 g6g7 Re2c2+ Kc1d1 Rc2d2+ Kd1e1 14- 01:16 -4,70 Re4e1 Rb7g7 Re1g1 d5d4 Rg1c1+ Kc3b3 Rc1g1 d4d3 Kf4e3 Rg7e7+ Ke3d2 Re7e2+ Kd2c1 c4c3 g6g7 Re2c2+ Kc1d1 Rc2d2+ Kd1e1 14 01:38 -4,96 Re4e1 Rb7g7 Kf4g5 d5d4 Re1c1+ Kc3b3 Rc1b1+ Kb3c2 Rb1b4 Kc2c3 Rb4b1 d4d3 Kg5h5 d3d2 Rb1g1 Kc3c2 Kh5g5 d2d1Q Rg1xd1 Kc2xd1 15 02:46 -5,56 Re4e1 Rb7g7 Kf4g5 d5d4 Re1c1+ Kc3b3 Rc1b1+ Kb3c2 Rb1b4 Kc2c3 Rb4b1 d4d3 Kg5f4 d3d2 Rb1d1 Kc3c2 Rd1xd2+ Kc2xd2 Kf4f5 After Re3+ Kd4: 9 04:39 -2,52 Re3e2 c4c3 Re2g2 Rb7c7 Rg2g1 c3c2 Rg1c1 Kd4c3 Kf4e3 d5d4+ Ke3e4 10 04:40 -2,97 Re3e2 c4c3 Re2h2 Rb7c7 Rh2h7 Rc7c8 g6g7 c3c2 Rh7h1 Kd4d3 Rh1g1 d5d4 11- 04:41 -3,64 Re3e2 c4c3 Re2h2 Rb7c7 Rh2h7 Rc7c8 g6g7 c3c2 Rh7h1 Kd4d3 Rh1g1 d5d4 11 04:42 -3,77 Re3e2 c4c3 Kf4f5 Kd4d3 Re2g2 c3c2 Rg2g3+ Kd3c4 Rg3g1 d5d4 Rg1c1 d4d3 Kf5f6 11+ 04:43 -3,77 Re3a3 c4c3 11 04:44 -3,77 Re3e2 c4c3 Kf4f5 Kd4d3 Re2g2 c3c2 Rg2g3+ Kd3c4 Rg3g1 d5d4 Rg1c1 d4d3 Kf5f6 12 04:47 -4,00 Re3e2 c4c3 Kf4f5 Kd4d3 Re2g2 c3c2 Rg2g3+ Kd3c4 Rg3g1 d5d4 Rg1c1 d4d3 Kf5e4 Kc4c3 12+ 04:49 -3,99 Re3a3 c4c3 12 04:50 -4,00 Re3e2 c4c3 Kf4f5 Kd4d3 Re2g2 c3c2 Rg2g3+ Kd3c4 Rg3g1 d5d4 Rg1c1 d4d3 Kf5e4 Kc4c3 13 05:06 -4,03 Re3e2 c4c3 Re2g2 Rb7c7 Rg2g1 c3c2 Rg1c1 Kd4d3 Kf4e5 d5d4 Ke5d5 Rc7c8 g6g7 Rc8d8+ Kd5e5 Kd3d2 14- 05:24 -4,54 Re3e2 c4c3 Re2g2 Rb7c7 Rg2g1 c3c2 Rg1c1 Kd4d3 Kf4e5 d5d4 Ke5d5 Rc7c8 g6g7 Rc8d8+ Kd5e5 Kd3d2 14 05:37 -4,70 Re3e2 c4c3 Kf4f5 Kd4d3 Re2g2 c3c2 Rg2g3+ Kd3d2 Rg3g2+ Kd2c3 Rg2g3+ Kc3b2 Rg3g1 d5d4 Kf5e4 Rb7d7 g6g7 Rd7xg7 Rg1xg7 d4d3 Ke4xd3 c2c1Q 14+ 05:37 -4,50 Re3e1 14 05:37 -4,50 Re3e1 c4c3 Re1e2 MvH Dan Andersson > >>55. Re1 c3 (55... d5 56. Rd1+ Kc3 57. Rxd5) 56. Rd1+ Kc4 (56... Kc2 57. Rxd6 >>Kb2 58. Rc6) 57. Rxd6 Rc7 58. Rd1 Rg7 59. Rd6 Kb5 (59... c2 60. Rc6+ Kb3 61. >>Rb6+) (59... Kc5 60. Rd3 Kb4 61. Rd4+ Kb3 62. Rd6 Rc7 (62... c2 63. Rb6+) 63. >>Rd3) 60. Ke2 Rc7 61. Kd1 Kc4 62. Kc2 Ra7 63. Rc6+ Kd4 64. Rd6+ Ke3 65. Re6+ Kf3 >>66. Kxc3 Kg3 67. Re1 Kf2 68. Re5= >> >>Mihaly
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