Author: Dann Corbit
Date: 10:35:37 04/21/05
Go up one level in this thread
On April 21, 2005 at 03:22:19, Steven Edwards wrote:
>On April 20, 2005 at 06:30:43, Steven Edwards wrote:
>>On April 20, 2005 at 03:04:52, Dann Corbit wrote:
>>>On April 18, 2005 at 17:10:40, Steven Edwards wrote:
>
>>It looks like another three days to go. In the first 215 positions, a forced
>>mate was found in 58 of them. Symbolic's toolkit is doing the work and is
>>searching about a quarter billion nodes maximum per problem.
>
>The program has now done the first 242 problems so far (one hour per position)
>and has located 64 mates.
>
>Alas it has missed the solution to WAC.230:
>
>[D] 2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - 0 1
Crafty can solve it with Jeremiah's wall detection enabled.
Shredder solves it nicely.
121 Rb4; id "WAC.230";
Searching move: Rb7-b4
Best move (Shredder 7.04 UCI): Rb7-b4
identical moves! Found in: 01:08
illegal command
2/3- 00:00 36 255 +2.80 Rb7a7 Bd6a3
2/3 00:00 59 418 +2.74 Rb7a7 Bd6a3
3/4 00:00 196 1.390 +2.73 Rb7a7 Bd6a3 a5a4
3/4+ 00:00 261 1.851 +2.77 a5a4 f2f4 Rb7b5
3/4 00:00 321 2.276 +2.81 a5a4 Bd6a3 Rb7h7
4/6 00:00 713 5.056 +2.74 a5a4 f2f3 Rb7a7 Bd6a3
5/8 00:00 2.096 14.865 +2.63 a5a4 Kg3f4 Rb7a7 Bd6a3 Ra7f7+ Kf4e3
5/8+ 00:00 2.760 19.574 +2.64 Rb7f7 f2f4
5/8 00:00 3.470 24.609 +2.78 Rb7f7 f2f3 a5a4 Bd6a3 Bc8b7
6/9 00:00 6.002 42.567 +2.64 Rb7f7 f2f3 Rf7f5 f3f4 a5a4 Rb2h2
6/9+ 00:00 6.992 44.820 +2.65 a5a4 Kg3f3
6/10 00:00 8.960 57.435 +2.65 a5a4 Kg3f4 Rb7f7+ Kf4e3 Bc8d7
7/12 00:00 15.512 90.186 +2.67 a5a4 Kg3f4 Rb7h7 Kf4e3 Rh7h3+ f2f3
Bc8b7 Rb2b1
7/12+ 00:00 17.032 99.023 +2.68 Rb7f7 f2f3 Rf7f5 f3f4 a5a4 Rb2h2
Bc8b7
7/12 00:00 19.288 103.144 +2.69 Rb7f7 f2f3 a5a4 Kg3f2 Kc6b5
8/12 00:00 33.714 166.078 +2.77 Rb7f7 f2f4 a5a4 Kg3f3 Rf7h7 Rb2d2
9/13 00:00 74.618 298.472 +2.64 Rb7f7 f2f4 Kc6b5 Rb2h2 Bc8a6 Kg3f3
a5a4 Bd6a3 Ba6b7
9/13+ 00:00 86.678 325.857 +2.65 a5a4 Kg3f4 Rb7h7 Bd6a3 Rh7h5 f2f3
Bc8b7 Rb2b1 Kc6b5
9/14 00:00 103.008 346.828 +2.67 a5a4 Kg3f4 Rb7h7 Rb2b1 Bc8b7 f2f3
Rh7h3 Bd6e7 Kc6b5
10/16 00:00 179.902 443.108 +2.66 a5a4 Bd6a3 Kc6b5 Kg3f4 Rb7h7 f2f3
Rh7h1
10/16+ 00:00 192.740 456.729 +2.67 Rb7f7 f2f4 Kc6b5 Rb2h2 Bc8b7 Kg3f3
a5a4 Bd6a3
10/16 00:00 220.928 487.699 +2.67 Rb7f7 Bd6a3 Bc8d7 f2f4 Rf7h7 Rb2h2
Rh7h5
10/16+ 00:00 242.620 501.280 +2.68 Rb7h7 Rb2b1 a5a4 Bd6a3
10/16 00:00 266.456 532.912 +2.74 Rb7h7 Rb2b1 a5a4 Kg3f4 Bc8b7 f2f3
Rh7h3 Bd6e7 Kc6b5 Kf4e3
11/18 00:00 371.402 566.161 +2.70 Rb7h7 Rb2b1 Rh7f7 Rb1a1 Kc6b5 f2f3
b3b2 Ra1b1 Bc8b7
12/21 00:01 658.896 648.519 +2.77 Rb7h7 Rb2b1 a5a4 Kg3f4 Rh7h3 Bd6b4
Bc8b7 f2f3 Rh3h2 Rb1a1 Kc6b5 Bb4e7
13/22 00:01 957.398 688.280 +2.72 Rb7h7 Rb2b1 a5a4 Bd6a3 Kc6b5 Kg3f4
Bc8b7 f2f3 Rh7h2 Rb1b2 Rh2h5
14/27 00:02 1.516.756 719.182 +2.73 Rb7h7 Rb2b1 a5a4 Bd6a3 Kc6b5 Kg3f4
Bc8b7 f2f3 Rh7h2 Rb1b2 Rh2h3 Kf4e3 Bb7c6 Ba3d6
15/28 00:04 2.850.268 750.663 +2.75 Rb7h7 Rb2b1 Rh7h5 Kg3g4 a5a4 Rb1a1
Kc6b5 Bd6a3 Bc8b7 Kg4f4 Kb5b6 f2f3 Kb6a5
16/27 00:05 3.956.239 760.376 +2.74 Rb7h7 Rb2b1 Rh7h5 Kg3g4 a5a4 Rb1a1
Kc6b5 Bd6a3 Rh5h7 Kg4f4 Rh7h3 f2f3 Kb5a5
17/30 00:08 6.755.305 790.371 +2.75 Rb7h7 Rb2b1 Rh7h5 Kg3g4 a5a4 Rb1a1
Kc6b5 Bd6a3 Bc8b7 Kg4f4 Rh5h3 f2f3 Bb7c6 Ba3e7 Kb5a5
18/31 00:11 9.148.882 792.316 +2.77 Rb7h7 Rb2b1 Rh7h5 Kg3g4 a5a4 Bd6a3
Bc8b7 Kg4f4 Rh5h2 Kf4g3 Rh2h8
19/31 00:16 13.187.007 792.440 +2.78 Rb7h7 Rb2b1 Rh7h5 Kg3g4 a5a4 Bd6a3
Bc8b7 Kg4f4 Kc6b5 Kf4g4 Rh5h7 Kg4g3 b3b2
20/33 00:25 20.422.253 801.847 +2.79 Rb7h7 Rb2b1 Rh7h5 Kg3g4 a5a4 Bd6a3
Bc8b7 Rb1a1 Kc6b6 Ba3c5+ Kb6b5 Ra1b1 Bb7c6 Bc5a3 Bc6d7
21/35 00:34 27.710.404 806.120 +2.79 Rb7h7 Rb2b1 Rh7h5 Kg3g4 a5a4 Bd6a3
Bc8b7 Rb1a1 Kc6b6 Ba3c5+ Kb6b5 Ra1b1 Rh5h7 Bc5a3 Kb5a6 Rb1a1 Rh7h5
21/41+ 01:08 56.277.246 825.894 +2.80 Rb7b4 Bd6xb4 a5xb4 c3xb4
21/41 02:02 107.189.670 874.011 +3.11 Rb7b4 c3xb4 a5a4 b4b5+ Kc6xb5 Bd6a3
c4c3 Rb2e2 Kb5c4 f2f4 Bc8d7 f4f5 e6xf5 Kg3f4 Kc4xd4 e5e6 Bd7e8
22/41 02:39 137.897.543 866.261 +2.87 Rb7b4 c3xb4 a5a4 b4b5+ Kc6xb5 Bd6a3
c4c3 Rb2e2 Kb5c4 f2f4 Kc4xd4 f4f5 e6xf5 e5e6 Kd4c4 e6e7 Bc8d7 e7e8Q d5d4 Qe8xd7
23/43+ 04:04 210.222.048 859.420 +3.12 Rb7b4 c3xb4 a5a4 b4b5+ Kc6xb5 Bd6a3
c4c3 Rb2e2 Kb5c4 f2f4 Bc8d7 f4f5 e6xf5 Kg3f4 Kc4xd4 e5e6 Bd7e8
23/44 06:46 353.534.529 870.809 +3.41 Rb7b4 c3xb4 a5a4 b4b5+ Kc6xb5 Bd6a3
c4c3 Rb2e2 Kb5c4 f2f4 Bc8d7 Re2e1 Kc4xd4 Kg3f2 Kd4c4 Kf2e2 b3b2 Re1b1 Bd7b5
Ba3xb2 Kc4b3+ Ke2f2 c3xb2 Rb1f1
24/41- 07:15 377.886.714 867.739 +3.16 Rb7b4 c3xb4 a5a4 b4b5+ Kc6xb5 Bd6a3
c4c3 Rb2e2 Kb5c4 f2f4 Bc8d7 f4f5 e6xf5 Kg3f4 Kc4xd4 e5e6 Bd7e8 Re2f2 Be8b5
24/42 08:15 423.692.276 855.862 +2.91 Rb7b4 c3xb4 a5a4 b4b5+ Kc6xb5 Bd6a3
c4c3 Rb2e2 Kb5c4 f2f4 Kc4xd4 f4f5 Bc8a6 Re2h2 e6xf5 e5e6 Ba6b5 Kg3f4 c3c2 Rh2h8
Kd4c3
4/21/2005 7:58:59 AM, Time for this analysis: 00:10:00, Rated time: 14:08
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.