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Subject: Position to solve

Author: Ingo Bauer

Date: 14:53:44 11/13/02


It is not new but still nice!
All engine with 384 MB Hash and all 3,4,5 man TBs

[D]4K3/4P3/rp6/7R/2k5/8/8/8 w - -

Shredder has no clue what to do!

Engine: Shredder Paderborn
by Stefan Meyer-Kahlen
 11.01	 0:00 	+4.49 	1.Rh4+ Kc3 (113.135) 144.8
 12.01	 0:02 	+4.49 	1.Rh4+ Kc3 (304.997) 122.3
 13.01	 0:04 	+4.49 	1.Rh4+ Kc3 2.Kf7 Ra8 3.Rh3+ Kd4 4.Rh1 b5 5.Rb1 Ra6 6.e8Q
Ra7+ 7.Kf8 Ra8 (611.280) 136.2
 14.01	 0:06 	+4.49 	1.Rh4+ Kc3 2.Kf7 Ra8 3.Rh3+ Kd4 4.Rh1 b5 5.Rb1 Ra6 6.e8Q
Ra7+ 7.Kf8 Ra8 (970.988) 154.1
 15.01	 0:31 	+4.42 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kb3 5.Ra6 Rc8 6.Rg6
b4 7.Rg8 Rc7 8.Kf6 Rxe7 9.Kxe7 Kc2 10.Rc8+ Kb2 11.Kd7 b3 12.Rb8 (8.223.677)
262.4
 16.01	 0:41 	+4.40 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Rb6
(12.589.923) 302.4
 17.01	 1:15 	+4.25 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd3 6.Rd6+
Kc3 7.Rd8 Rh7+ 8.Ke6 Rxe7+ 9.Kxe7 b4 10.Rc8+ Kb2 11.Kf8 (30.161.330) 400.7
 18.01	 2:48 	+4.01 	1.Rh4+ Kc3 2.Rh1 Ra8+ 3.Kf7 b5 4.Ra1 Rb8 5.Rc1+ Kb2 6.Rg1
b4 7.Rg8 Rb7 8.Rg7 (75.282.633) 446.9
 19.01	 4:34 	+3.76--	1.Rh4+ Kc3 2.Rh1 Ra8+ 3.Kf7 b5 4.Ra1 Rb8 5.Rc1+ Kb2 6.Rg1
b4 7.Rg8 Rb7 8.Ke8 (137.164.097) 499.1
 19.01	 5:58 	+3.66 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd3 6.Rg6
b4 7.Ke6 (191.108.204) 532.6
 20.01	10:08 	+3.41--	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd3 6.Rg6
b4 7.Ke6 (343.727.082) 564.8
 20.01	13:47 	+2.91--	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd3 6.Rg6
b4 7.Ke6 (497.968.658) 601.8
 20.01	17:46 	+2.82 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd3 6.Rg6
b4 7.Ke6 (659.825.224) 618.6
best move: Rh5-h4 time: 17:58.390 min  n/s: 618.336  CPU 90.1%  nodes:
666.795.338 TB: 2.598.381

YACE ist FAST!!!

Engine: Yace 0.99.56
by Dieter Buerssner
 10.01	 0:00 	+3.96 	1.Rh4+ Kc5 2.Kf7 Ra7 3.Re4 b5 4.Kf6 Ra8 5.e8Q Rxe8 6.Rxe8
(851.411) 901.9
 10.18	 0:01 	+3.96 	1.Rh4+ Kc5 2.Kf7 Ra7 3.Re4 b5 4.Kf6 Ra8 5.e8Q Rxe8 6.Rxe8
(1.218.707) 922.5
 11.01	 0:02 	+3.90 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Rd8
Ra7 7.Rc8+ Kd5 8.Kf8 Rxe7 9.Kxe7 b4 (2.372.643) 964.0
 11.18	 0:02 	+3.90 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Rd8
Ra7 7.Rc8+ Kd5 8.Kf8 Rxe7 9.Kxe7 b4 (2.557.442) 954.2
 12.01	 0:03 	+3.88 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Rd8
Ra7 7.Rc8+ Kd3 8.Ke6 Ra6+ 9.Ke5 Ra7 10.e8Q Ra8 (3.623.444) 980.3
 12.18	 0:04 	+3.88 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Rd8
Ra7 7.Rc8+ Kd3 8.Ke6 Ra6+ 9.Ke5 Ra7 10.e8Q Ra8 (4.240.647) 983.9
 13.01	 0:08 	+3.85 	1.Rh4+ Kc3 2.Rh3+ Kc4 3.Rh1 Ra8+ 4.Kf7 b5 5.Rc1+ Kb3 6.Ke6
b4 7.Kd7 Kb2 8.e8Q Rxe8 9.Kd6 (8.345.644) 1004.0
 13.18	 0:08 	+3.85 	1.Rh4+ Kc3 2.Rh3+ Kc4 3.Rh1 Ra8+ 4.Kf7 b5 5.Rc1+ Kb3 6.Ke6
b4 7.Kd7 Kb2 8.e8Q Rxe8 9.Kd6 (8.818.546) 980.1
 14.01	 0:13 	+3.84 	1.Rh4+ Kc3 2.Rh3+ Kc4 3.Rh6 Ra8+ 4.Kf7 b5 5.Ke6
(13.599.523) 989.1
 14.18	 0:15 	+3.84 	1.Rh4+ Kc3 2.Rh3+ Kc4 3.Rh6 Ra8+ 4.Kf7 b5 5.Ke6
(14.730.326) 966.3
 15.01	 0:24 	+3.63 	1.Rh4+ Kc3 2.Rh3+ Kc4 3.Rh6 Ra8+ 4.Kf7 b5 5.Rc6+ Kd5 6.Ra6
Rh8 7.Ra7 b4 8.e8Q Rxe8 9.Kxe8 b3 10.Kd7 Kc4 11.Rb7 Kc3 (23.233.385) 959.1
 15.18	 0:28 	+3.63 	1.Rh4+ Kc3 2.Rh3+ Kc4 3.Rh6 Ra8+ 4.Kf7 b5 5.Rc6+ Kd5 6.Ra6
Rh8 7.Ra7 b4 8.e8Q Rxe8 9.Kxe8 b3 10.Kd7 Kc4 11.Rb7 Kc3 (26.411.681) 933.8
 16.01	 0:44 	+3.63 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kb3 5.Ke6 b4 6.Kd7
Ra7+ 7.Rc7 Ra8 8.Rb7 Kc3 9.e8Q Rxe8 10.Kxe8 b3 11.Kd8 b2 12.Rc7+ Kd4 13.Rd7+ Kc4
(42.314.873) 947.1
 16.18	 0:51 	+3.63 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kb3 5.Ke6 b4 6.Kd7
Ra7+ 7.Rc7 Ra8 8.Rb7 Kc3 9.e8Q Rxe8 10.Kxe8 b3 11.Kd8 b2 12.Rc7+ Kd4 13.Rd7+ Kc4
(46.810.325) 914.4
 17.01	 1:00 	+3.23--	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc5 6.Ke6
Re8 7.Rd7 (56.235.414) 926.8
 17.01	 1:13 	+2.23--	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc5 6.Ke6
Re8 7.Rd7 (69.689.655) 948.3
 17.01	 1:47 	+0.48 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc3 6.Ra6
Rh8 7.Rc6+ Kd4 8.Rh6 Ra8 9.Rd6+ Kc3 10.Ra6 Rh8 11.Rc6+ Kb3 12.Ke6 b4 13.Kd7 Rh7
14.Re6 (101.819.617) 943.9
 17.18	 2:06 	+0.48 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc3 6.Ra6
Rh8 7.Rc6+ Kd4 8.Rh6 Ra8 9.Rd6+ Kc3 10.Ra6 Rh8 11.Rc6+ Kb3 12.Ke6 b4 13.Kd7 Rh7
14.Re6 (114.268.350) 902.8
 18.01	 2:38 	+0.16 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Ra6
Rb8 7.Rc6+ Kd5 8.Rc7 b4 9.Rd7+ Kc4 10.Rc7+ Kd5 11.Rd7+ Kc4 12.Rc7+ Kd5
(140.246.520) 885.2
 18.18	 2:57 	+0.16 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Ra6
Rb8 7.Rc6+ Kd5 8.Rc7 b4 9.Rd7+ Kc4 10.Rc7+ Kd5 11.Rd7+ Kc4 12.Rc7+ Kd5
(149.888.815) 844.2
 18.01	 3:39 	+0.16 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Rd6+ Kc4 6.Ra6
Rb8 7.Rc6+ Kd5 8.Rc7 b4 9.Rd7+ Kc4 10.Rc7+ Kd5 11.Rd7+ Kc4 12.Rc7+ Kd5
(181.523.940) 825.4
best move: Rh5-h4 time: 3:39.917 min  n/s: 825.442  nodes: 181.523.940 TB:
392.185

Ruffian a little bit slower but perfect eval!

Engine: Ruffian 1.0.1
by Perola Valfridsson
 11.00	 0:01 	+3.31 	1.Rh4+ Kc5 2.Rh1 b5 3.Rc1+ Kd6 4.Kf7 Ra7 5.Rd1+ Kc6 6.Ke6
Rxe7+ 7.Kxe7 b4 8.Rb1 (2.259.867) 1329.3
 12.01	 0:02 	+3.26 	1.Rh4+ Kc5 2.Rh1 b5 3.Rc1+ Kd6 4.Kf7 Ra7 5.Rd1+ Kc5 6.Rc1+
(3.326.227) 1309.5
 13.01	 0:05 	+3.06 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Rc6+ Kd4 5.Ra6 Rh8 6.Rd6+
Kc5 7.Rg6 b4 8.Rg5+ Kc4 9.Rg8 Rh7+ 10.Kf8 Rxe7 11.Kxe7 b3 (7.232.602) 1319.8
 14.01	 0:08 	+3.06 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rd6+
Kc5 7.Rg6 b4 8.Rg5+ Kc4 9.Rg8 Rh7+ 10.Kf8 Rxe7 11.Kxe7 b3 (11.244.004) 1301.3
 15.01	 0:13 	+2.87 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rd6+
Kc5 7.Rg6 b4 8.Rg5+ Kd4 9.Rg4+ Kc5 10.Rg8 Rh7+ 11.Rg7 Rh8 12.e8Q Rxe8 13.Kxe8 b3
(17.413.372) 1288.9
 16.01	 0:24 	+2.52--	1.Rh4+ (31.015.606) 1245.6
 16.01	 0:31 	+2.34 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rh6
Rb8 7.Rh4+ Kc5 8.Rh5+ Kc4 9.Rg5 Rb7 10.Rg4+ Kd5 11.Kf6 Rb8 12.Rg5+ Kc4 13.Kf7
(39.173.813) 1242.8
 17.01	 0:46 	+2.33 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rd6+
Kc4 7.Rg6 Rb8 8.Rg4+ Kc5 9.Re4 (55.420.340) 1202.6
 18.01	 1:01 	+2.33 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rd6+
Kc4 7.Rg6 Rb8 8.Rg4+ Kc5 9.Re4 Kd5 10.Rb4 Kc5 11.Rb3 Rb7 12.Kf6 Rb6+ 13.Ke5 Rb8
14.Rc3+ (71.777.947) 1168.2
 19.01	 1:22 	+1.98--	1.Rh4+ (92.687.245) 1129.3
 19.01	 1:40 	+1.65 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rd6+
Kc4 7.Rg6 Rb8 8.Rg4+ Kc3 9.Rg5 b4 10.Rg3+ Kc4 11.Rg1 b3 12.Rd1 Kc3 13.e8Q Rxe8
(114.733.560) 1139.9
 20.01	 2:12 	+1.30--	1.Rh4+ (146.928.160) 1108.5
 20.01	 4:02 	+0.86 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rg6
Ra8 7.Rd6+ Kc4 8.Rc6+ Kd5 9.Ra6 (256.849.528) 1059.5
 21.01	 5:27 	+0.51--	1.Rh4+ (345.368.614) 1053.1
 21.01	 8:10 	 0.00 	1.Rh4+ Kc3 2.Rh6 Ra8+ 3.Kf7 b5 4.Ra6 Rh8 5.Rc6+ Kd4 6.Rg6
Ra8 7.Rd6+ Kc5 8.Rd7 b4 9.Rb7 Rh8 10.e8Q Rxe8 (505.822.128) 1030.6
best move: Rh5-h4 time: 9:03.682 min  n/s: 1.028.801  CPU 81.0%  nodes:
559.338.699 TB: 374.681




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