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Subject: SSDF Rating List 2004-12-31

Author: Thoralf Karlsson

Date: 04:51:37 12/31/04


     THE SSDF RATING LIST 2004-12-31    100049 games played by  267 computers
                                           Rating   +     -  Games   Won  Oppo
                                           ------  ---   --- -----   ---  ----
   1 Shredder 8.0 CB  256MB Athlon 1200 MHz  2805   23   -22  1075   71%  2645
   2 Shredder 7.04 UCI 256MB Athlon 1200 MHz 2804   23   -22  1041   70%  2653
   3 Deep Fritz 8.0  256MB Athlon 1200 MHz   2791   25   -24   896   72%  2628
   4 Junior 8.0  256MB Athlon 1200 MHz       2772   25   -24   832   66%  2656
   5 Shredder 7.0  256MB Athlon 1200 MHz     2768   26   -25   841   69%  2631
   6 Deep Fritz 7.0  256MB Athlon 1200 MHz   2767   24   -23   938   65%  2657
   7 Fritz 8.0  256MB Athlon 1200 MHz        2754   22   -21  1083   64%  2650
   8 Gandalf 6.0  256MB  Athlon 1200 MHz     2749   49   -46   225   63%  2658
   8 Deep Junior 8.0  256MB Athlon 1200 MHz  2749   32   -31   525   64%  2648
  10 Fritz 7.0 256MB Athlon 1200 MHz         2744   29   -28   634   63%  2653
  11 Hiarcs 9.0  256MB Athlon 1200 MHz       2739   22   -21  1068   62%  2656
  12 Shredder 6.0 Pad UCI 256MB Athlon 1200  2724   22   -22  1033   62%  2641
  13 Chess Tiger 2004  256MB Athlon 1200 MHz 2723   27   -26   710   59%  2657
  14 Shredder 6.0  256MB Athlon 1200 MHz     2722   31   -30   547   62%  2633
  15 Chess Tiger 14.0 CB 256MB Athlon 1200   2721   29   -28   597   60%  2651
  16 Chess Tiger 15.0  256MB Athlon 1200 MHz 2719   22   -21  1064   58%  2664
  17 Deep Fritz 256MB Athlon 1200 MHz        2718   30   -29   571   61%  2642
  18 Chessmaster 9000  256MB Athlon 1200 MHz 2717   36   -36   376   55%  2679
  19 Gambit Tiger 2.0  256MB Athlon 1200     2715   29   -29   583   58%  2656
  20 Junior 7.0  256MB  Athlon 1200 MHz      2702   23   -23   921   53%  2679
  21 Shredder 7.0 UCI 128MB K6-2 450 MHz     2699   34   -34   429   54%  2669
  22 Rebel 12.0  256MB Athlon 1200 MHz       2684   32   -32   484   57%  2633
  23 Hiarcs 8.0  256MB Athlon 1200 MHz       2683   22   -22   996   53%  2662
  24 Rebel Century 4.0 256MB Athlon 1200 MHz 2675   29   -29   590   60%  2605
  24 Ruffian 1.0.1  256MB Athlon 1200 MHz    2675   27   -27   684   52%  2657
  26 Deep Sjeng 1.5a  256MB Athlon 1200 MH   2673   31   -31   493   52%  2662
  27 Chess Tiger 15.0  128MB K6-2 450 MHz    2671   32   -32   473   51%  2661
  28 Shredder 5.32  256MB Athlon 1200 MHz    2662   26   -26   739   50%  2660
  28 Gandalf 4.32h  256MB Athlon 1200 MHz    2662   28   -28   604   52%  2651
  30 Deep Fritz 7.0  128MB K6-2 450 MHz      2656   29   -29   580   51%  2650
  31 Gandalf 5.0  256MB Athlon 1200 MHz      2651   39   -39   322   45%  2685
  32 Gandalf 5.1  256MB Athlon 1200 MHz      2639   25   -25   758   55%  2605
  33 Ruffian 2.0.0  256MB  Athlon 1200 MHz   2621   54   -55   165   48%  2636
  34 Crafty 18.12/CB 256MB  Athlon 1200 MHz  2617   27   -27   687   50%  2617
  35 Gromit 3.11.9  256MB Athlon 1200 MHz    2610   44   -46   246   43%  2662
  36 Yace Paderborn  256MB Athlon 1200 MHz   2606   35   -35   389   48%  2620
  37 Nimzo 8.0  128MB K6-2 450 MHz           2556   20   -20  1162   47%  2578
  38 Crafty 19.17  256MB Athlon 1200 MHz     2523   43   -47   264   31%  2666
  39 SOS  128MB  K6-2 450 MHz                2520   15   -16  2056   38%  2609
  40 Goliath Light  128MB K6-2 450 MHz       2513   19   -19  1438   33%  2640
  41 MChess Pro 8.0  128MB K6-2 450 MHz      2480   25   -26   753   40%  2551
  42 Genius 6.5  128MB  K6-2 450 MHz         2477   29   -29   565   48%  2490
  43 R30 v. 2.5                              2274   41   -38   343   69%  2136
  44 Mephisto London 68 030 36 MHz           2202   41   -41   292   50%  2200
  45 Meph Genius 68 030 33 MHz               2196   43   -42   267   55%  2158
  46 Chess Tiger 14.9 Palm m515 16MB 42MHz   2103   69   -74   100   39%  2182
  47 Atlanta    SH7000 20 MHz                2085   28   -27   687   67%  1958
  48 Star Sapphire                           2026   41   -39   310   58%  1970
  49 Sapphire II                             2008   33   -32   484   62%  1923
  50 Chess Genius 1.5 Palm m515 16MB 42MHz   1871   69   -78   100   32%  2003



 8 Gandalf 6.0  256MB  Athlon 1200 MHz, 2749
Shr7.04 A1200   12.5-16.5  Hiarcs9 A1200   25.5-16.5  CT 15.0 A1200    8.5-7.5
Ruffia1 A1200     23-16    DpFritz7 K6-2   22.5-13.5  Shre532 K6450    5.5-0.5
SOS  K6-2 450     12-5     Craf18.12 K62   31.5-8.5

 13 Chess Tiger 2004  256MB Athlon 1200 MHz, 2723
Shredd8 A1200   14.5-26.5  Shr7.04 A1200     19-23    DpFrit8 A1200   13.5-27.5
Junior8 A1200     22-20    Fritz 8 A1200   21.5-18.5  Hiarcs9 A1200     20-20
CT 15.0 A1200     20-20    Ruffia1 A1200   21.5-18.5  Gan432h A1200   24.5-21.5
DpFritz7 K6-2   26.5-19.5  Fritz6 K6-450   22.5-5.5   Shre532 K6450     31-9
Junior6 K6450   24.5-10.5  Craf19. A1200     29-11    SOS  K6-2 450     30-12
Goliath K6450     38-6     Fritz532 P200     31-13    Craf18.12 K62   11.5-7.5

38 Crafty 19.17  256MB Athlon 1200 MHz, 2523
DpJuni8 A1200    9.5-30.5  CT 2004 A1200     11-29    Rebel12 A1200   13.5-28.5
Ruffia1 A1200     15-25    Gandal5 A1200   11.5-28.5  Shre532 K6450   10.5-29.5
Fritz532 P200     10-12


More than eight months has now passed since the latest SSDF rating
list appeared on April 22. I guess that at least some of those
interested in rating figures for chess programs have suspected that
our project, which started in 1984, finally had gone to rest. Well,
not quite yet! The enthusiasm isn't as high as before, but we intend to
continue for some more time. But it might be that the annual number of
tested programs and published lists will be lower than before. And it's
an open question whether we will invest in faster hardware or not during
the nearest future.

What news concerning computer chess ratings can we provide? We have
tested new versions of three well known chess programs. The first one
has a clearly lower rating than it's predecessor, the other one is equally
good and the third has a significantly higher rating.

Robert Hyatts Crafty 19.17 on Athlon 1200 MHz has been tested under
Arena 1.0 with his own opening book book.bin. After 264 games it's rating
is 2523. Compared to Crafty 18.12 with the ChessBase interface and the
opening book general.ctg, version 19.17 has 94 points less.

Chess Tiger 2004 Athlon 1200 MHz is Christophe Thérons latest program, and
it's present rating is 2723. That is four points more than the predecessor
Chess Tiger 15.0 has, and two points more than the rating of Chess Tiger 14.0.

The good news on this rating list is Steen Suurballes Gandalf 6.0 Athlon
1200 MHz, which after 225 tournament games has a rating of 2749! That is
87 points more than his strongest version so far, Gandalf 4.32h, with 2662!
Compared to the most recent version, Gandalf 5.1, the improvement is as high
as 110 points.

Stefan Meyer-Kahlen is still having the first two places on the SSDF rating
list,
but now with a single point difference between Shredder 8.0 and 7.04.
Shredder 8.0 A1200 has lost 13 points compared to the latest list.
Junior 8.0 A1200 has ten points less and Hiarcs 9.0 A1200 eight fewer points.

When we have played some more games with Gandalf 6.0, we will switch to Junior
9.0.

Happy New Year!

Thoralf Karlsson





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