Open Source Bullet: DoubleCheck 3.0

Discussion of computer chess matches and engine tournaments.

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lucasart
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Joined: Mon May 31, 2010 1:29 pm
Full name: lucasart

Open Source Bullet: DoubleCheck 3.0

Post by lucasart »

Finally breaking the 2600 elo barrier. Seems all this code rewriting paid off. Next is Arasan 14.1 (currently running).

Ratings

Code: Select all

Rank Name                  Elo    +    - games score oppo. draws 
   1 Critter 1.4          3249   32   31   400   76%  3030   30% 
   2 IvanHoe 999946h      3188   31   30   400   67%  3045   33% 
   3 Stockfish 2.2.2      3183   29   29   450   68%  3033   29% 
   4 Protector 1.4        2932   28   28   500   49%  2940   23% 
   5 Umko 1.2             2876   27   27   550   51%  2879   26% 
   6 Toga 1.4.1           2856   25   25   650   55%  2824   25% 
   7 Glaurung 2.2         2829   29   29   450   39%  2931   28% 
   8 Daydreamer 1.75      2744   24   24   600   59%  2680   30% 
   9 Crafty 23.4          2701   24   24   600   49%  2704   24% 
  10 Fruit 2.1            2700   22   22   700   50%  2698   24% 
  11 Cheng3 1.07          2656   26   25   507   54%  2631   26% 
  12 Rodent 0.12          2649   23   23   600   50%  2651   30% 
  13 GNU Chess 5.07.173b  2646   23   23   650   47%  2667   28% 
  14 Scorpio 2.7          2636   22   22   724   45%  2679   28% 
  15 Arasan 14.1          2627   34   35   281   46%  2660   21% 
  16 DoubleCheck 3.0      2616   26   26   500   54%  2585   22% 
  17 Pepito 1.59          2592   22   22   700   51%  2584   23% 
  18 EXchess 6.10         2536   24   23   650   58%  2467   23% 
  19 Sloppy 0.2.2         2531   21   21   800   41%  2595   23% 
  20 Greko 9.0            2493   22   22   750   40%  2569   22% 
  21 Pawny 0.3.1          2489   26   26   550   58%  2419   18% 
  22 Diablo 0.5.1         2430   28   28   450   51%  2417   22% 
  23 Olithink 5.3.2       2428   26   26   500   50%  2434   24% 
  24 Sungorus 1.4         2349   25   25   600   44%  2389   19% 
  25 Ifrit m1.5           2321   30   30   400   50%  2318   21% 
  26 Jazz 501             2319   27   27   500   44%  2358   22% 
  27 KMT Chess 1.2.1      2284   31   31   400   44%  2329   19% 
  28 Beowulf 2.4          2255   35   36   300   45%  2300   20% 
  29 Faile 1.4            1994   43   47   300   12%  2336   13% 
Conditions
* Open Source and Portable engines only: no closed source, commercial, or windows only programs.
* Copyleft: Ideally licensed under the GNU GPL, or with copyright restrictions that are not excessive.
* 1min+1sec/move, 64 MB Hash, 1 Thread, 64-bit, Ponder off, no EGTB.
* 8 book moves: neither to little, nor too much. Allows engines to develop their own plan, while offering a large enough number of opening positions.
* Bayeselo, offset Fruit 2.1 = 2700 elo.