Code: Select all
Rank Name Elo + - games score oppo. draws
1 Critter 1.4 3243 32 31 400 76% 3023 30%
2 IvanHoe 999946h 3182 31 30 400 67% 3039 33%
3 Stockfish 2.2.2 3177 29 29 450 68% 3027 29%
4 Protector 1.4 2924 28 28 500 49% 2932 23%
5 Umko 1.2 2868 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 2670 25 25 550 45% 2709 23%
11 Cheng3 1.07 2657 26 26 500 54% 2630 25%
12 GNU Chess 5.07.173b 2647 23 24 600 47% 2670 28%
13 Arasan 13.4 2645 24 24 600 50% 2646 21%
14 Rodent 0.10 2636 24 24 600 57% 2588 25%
15 Scorpio 2.7 2632 21 22 750 46% 2665 26%
16 Pepito 1.59 2598 23 23 650 52% 2579 22%
17 Sloppy 0.2.2 2543 22 22 750 41% 2605 23%
18 EXchess 6.10 2537 24 24 650 59% 2458 23%
19 Greko 9.0 2489 22 22 750 40% 2566 23%
20 Pawny 0.3.1 2480 26 26 550 51% 2473 19%
21 DoubleCheck 2.5.3 2459 23 23 700 51% 2451 17%
22 Olithink 5.3.0 2380 28 28 450 51% 2372 22%
23 Sungorus 1.4 2329 26 26 550 39% 2412 21%
24 Ifrit m1.5 2293 31 32 350 43% 2344 21%
25 Jazz 501 2293 28 29 450 39% 2381 20%
26 Beowulf 2.4 2240 32 33 350 35% 2359 18%
27 KMT Chess 1.2.1 2226 32 33 350 33% 2361 19% * 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.