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Subject: Fritz gets it, Bringer doesn't: How does your program do?

Author: Michael de la Maza

Date: 03:52:15 07/09/00

The following position appeared in a game in the U1800 section of the World
Open.

[D]rnbr2k1/ppq1ppbp/6p1/1Pp1P3/2P5/P2B1N1P/2QB1PP1/4RRK1 w - - 3 22

White played 22. e6!!

On a P90 it takes Fritz 6 4:17:38 (that's four hours, seventeen minutes, and 38
seconds) to find this move.  Initially, it gets a score of +0.38.  At 5:06:33
the score increases to 0.56.  Finally, at 6:03:33 the score goes to +0.59.

On a P90 Bringer 1.7 does not seem to be able to find 22. e6 even after 15 hours
(see below).

How does your favorite program do?   Does any program find this in a reasonable
amount of time?  I'm particularly interested in how Phalanx does with this
position.


Bringer 1.7 on rnbr2k1/ppq1ppbp/6p1/1Pp1P3/2P5/P2B1N1P/2QB1PP1/4RRK1 w - - 3 22
0:00:14.3  ( 6/16)     185168   0.06  d2-c3
0:00:17.1  ( 6/16)     223330   0.18  d2-c3  c8-d7  a3-a4
0:00:29.0  ( 7/18)     389946   0.12  d2-c3  a7-a6  a3-a4  a6xb5  a4xb5  b8-d7
e5-e6
0:00:36.5  ( 7/18)     468056   0.13  c2-b3
0:00:41.2  ( 7/18)     546541   0.16  c2-b3  c8-e6  d2-g5  d8-d7  d3-e4
0:01:29.1  ( 8/18)    1213837   0.02  c2-b3  b8-d7  d2-c3  e7-e6  d3-c2  b7-b6
e1-d1  c8-b7
0:01:31.0  ( 8/18)    1239652   0.03  d2-c3
0:01:47.2  ( 8/20)    1482076   0.04  d2-c3  a7-a6  a3-a4  e7-e6
0:02:01.7  ( 8/20)    1662004   0.05  d3-e4
0:02:16.0  ( 8/20)    1888167   0.12  d3-e4  b8-d7  d2-f4  d7-b6  e1-d1  c8-e6
e4-d3  b6-d7
0:05:29.2  ( 9/22)    4545576   0.12  d3-e4  a7-a6  a3-a4  a6xb5  a4xb5  c8-e6
f3-g5  e6-d7  d2-c3
0:06:10.2  ( 9/22)    5142627   0.13  d2-c3
0:10:01.7  (10/26)    8405179   0.06  d2-c3  a7-a6  a3-a4  e7-e6  e1-e2  b8-d7
0:17:09.8  (10/28)   14386856   0.07  d2-g5
0:20:46.3  (10/28)   17402270   0.09  d2-g5  a7-a6  a3-a4  c8-e6  c2-b3  h7-h6
0:37:16.7  (11/32)   31463811   0.11  d2-g5  a7-a6  a3-a4  h7-h6  g5-f4  b8-d7
0:42:29.1  (11/32)   35886537   0.12  d3-e4
0:50:56.7  (11/32)   43235233   0.14  d3-e4  a7-a6  a3-a4  a6xb5
0:53:50.3  (11/32)   45781924   0.15  d2-c3
1:19:10.3  (12/35)   68242665   0.11  d2-c3  a7-a6  e1-d1  a6xb5
1:54:04.1  (12/35)   97799871   0.12  d2-f4
4:09:52.4  (13/38)   215479682   0.13  d2-f4  b8-d7
5:19:07.4  (13/38)   273858053   0.14  d2-g5
13:22:26.6  (14/39)   689998818   0.11  d2-g5  a7-a6
15:58:12.7  (14/39)   823840407   0.12  d2-f4

Re: Fritz gets it, Bringer doesn't: How does your program do? Mark Young 20:20:52 07/09/00
Re: Fritz gets it, Bringer doesn't: How does your program do? Marc Plum 08:41:50 07/09/00
Re: Fritz gets it, Bringer doesn't: How does your program do? Ed Schröder 05:19:46 07/09/00
- Re: Fritz gets it, Bringer doesn't: How does your program do? Tom King 13:14:12 07/09/00
  - Re: Fritz gets it, Bringer doesn't: How does your program do? Dann Corbit 13:32:40 07/10/00
    - Re: Fritz gets it, Bringer doesn't: How does your program do? Dann Corbit 13:56:27 07/10/00
      - Re: Fritz gets it, Bringer doesn't: How does your program do? Dann Corbit 14:17:36 07/10/00
        
        Re: Fritz gets it, Bringer doesn't: How does your program do? Andrew Dados 15:40:40 07/10/00
        
        Re: Gullydeckle on my slow computer Pete Galati 18:22:00 07/10/00
Re: Fritz gets it, Bringer doesn't: How does your program do? pete 04:26:46 07/09/00

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