Open Source Blitz: Glaurung 2.2

[lucasart]

Testing in progress: 108/400 games played
Ratings

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Rank Name                  Elo    +    - games score oppo. draws 
   1 Critter 1.4          3249   33   32   350   73%  3056   32% 
   2 IvanHoe 999946h      3190   32   31   350   64%  3073   35% 
   3 Stockfish 2.2.2      3182   30   30   400   65%  3056   31% 
   4 Protector 1.4        2925   30   31   450   47%  2947   22% 
   5 Umko 1.2             2870   27   27   550   53%  2858   24% 
   6 Toga 1.4.1           2852   25   25   658   57%  2807   24% 
   7 Glaurung 2.2         2820   54   53   108   63%  2732   31% 
   8 Daydreamer 1.75      2745   24   23   600   59%  2677   30% 
   9 Fruit 2.1            2700   22   22   700   51%  2695   25% 
  10 Crafty 23.4          2670   25   25   550   45%  2709   23% 
  11 Cheng3 1.07          2657   26   26   500   54%  2631   25% 
  12 GNU Chess 5.07.173b  2647   23   24   600   47%  2670   28% 
  13 Arasan 13.4          2643   25   25   550   47%  2664   22% 
  14 Rodent 0.10          2635   24   24   550   55%  2601   26% 
  15 Scorpio 2.7          2630   22   22   700   44%  2680   27% 
  16 Pepito 1.59          2598   23   23   650   52%  2580   23% 
  17 Sloppy 0.2.2         2542   22   22   750   41%  2606   24% 
  18 EXchess 6.10         2536   24   23   650   59%  2463   24% 
  19 Greko 9.0            2497   22   22   750   41%  2569   23% 
  20 Pawny 0.3.1          2485   25   26   550   51%  2479   18% 
  21 DoubleCheck 2.5.2    2463   26   25   550   57%  2409   21% 
  22 Olithink 5.3.0       2389   28   28   450   51%  2381   22% 
  23 Sungorus 1.4         2338   25   26   550   39%  2420   22% 
  24 Jazz 501             2316   28   28   450   40%  2389   22% 
  25 Ifrit m1.5           2309   31   31   350   44%  2354   21% 
  26 Beowulf 2.4          2252   32   33   350   35%  2370   19% 
  27 KMT Chess 1.2.1      2236   33   33   350   33%  2372   18% 

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.

[lucasart]

Final ratings after 400 games. Impressive to look at the difference with Stockfish. Consider that SF is based on Glaurung 2.1, which was probably 30 elo weaker than Glaurung 2.2, so that's almost +300 elo!

Code: Select all

Rank Name                  Elo    +    - games score oppo. draws 
   1 Critter 1.4          3243   32   31   400   76%  3023   30% 
   2 IvanHoe 999946h      3181   30   30   400   67%  3038   33% 
   3 Stockfish 2.2.2      3176   29   29   450   68%  3027   29% 
   4 Protector 1.4        2924   28   28   500   49%  2932   23% 
   5 Umko 1.2             2867   26   25   600   53%  2853   26% 
   6 Toga 1.4.1           2853   24   24   700   57%  2806   24% 
   7 Glaurung 2.2         2824   31   31   400   35%  2961   28% 
   8 Daydreamer 1.75      2745   24   24   600   59%  2677   30% 
   9 Fruit 2.1            2700   22   22   700   51%  2695   25% 
  10 Crafty 23.4          2669   25   25   550   45%  2709   23% 
  11 Cheng3 1.07          2657   26   26   500   54%  2631   25% 
  12 GNU Chess 5.07.173b  2647   23   23   600   47%  2670   28% 
  13 Arasan 13.4          2643   25   25   550   47%  2663   22% 
  14 Rodent 0.10          2635   24   24   550   55%  2600   26% 
  15 Scorpio 2.7          2630   22   22   700   44%  2680   27% 
  16 Pepito 1.59          2598   23   23   650   52%  2580   23% 
  17 Sloppy 0.2.2         2542   22   22   750   41%  2606   24% 
  18 EXchess 6.10         2536   24   23   650   59%  2463   24% 
  19 Greko 9.0            2497   22   22   750   41%  2569   23% 
  20 Pawny 0.3.1          2485   25   25   550   51%  2479   18% 
  21 DoubleCheck 2.5.2    2463   26   25   550   57%  2409   21% 
  22 Olithink 5.3.0       2389   28   28   450   51%  2381   22% 
  23 Sungorus 1.4         2338   25   26   550   39%  2420   22% 
  24 Jazz 501             2316   28   28   450   40%  2389   22% 
  25 Ifrit m1.5           2309   31   31   350   44%  2354   21% 
  26 Beowulf 2.4          2252   32   33   350   35%  2369   19% 
  27 KMT Chess 1.2.1      2236   32   33   350   33%  2372   18%