Code: Select all
Rank Name Elo + - games score oppo. draws
1 Critter 1.4 3250 33 32 350 74% 3052 34%
2 IvanHoe 999946h 3192 31 31 350 64% 3068 37%
3 Stockfish 2.2.1 3174 31 30 400 66% 3023 32%
4 Protector 1.4 2921 32 32 400 51% 2915 21%
5 Umko 1.2 2868 27 27 550 53% 2855 24%
6 Toga 1.4.1 2840 25 25 650 56% 2805 23%
7 Daydreamer 1.75 2741 25 25 550 61% 2662 29%
8 Fruit 2.1 2700 23 23 650 52% 2682 26%
9 Crafty 23.4 2671 25 25 600 42% 2745 23%
10 Cheng3 1.07 2655 26 25 500 54% 2629 25%
11 GNU Chess 5.07.173b 2644 23 23 600 47% 2667 28%
12 Arasan 13.4 2640 26 26 500 46% 2672 22%
13 Scorpio 2.7 2628 23 23 650 42% 2688 26%
14 Rodent 0.10 2626 26 26 500 53% 2605 25%
15 Pepito 1.59 2602 24 24 600 53% 2580 22%
16 Sloppy 0.2.2 2539 22 22 750 42% 2590 23%
17 Greko 9.0 2494 22 22 750 43% 2553 21%
18 Pawny 0.3.1 2474 27 27 500 50% 2474 19%
19 DoubleCheck 2.5 2430 27 27 500 53% 2404 16%
20 Olithink 5.3.0 2385 29 29 400 52% 2368 20%
21 Sungorus 1.4 2352 26 27 500 42% 2412 21%
22 EXchess 6.0.2 2344 28 28 450 44% 2392 20%
23 Jazz 501 2328 29 29 400 44% 2375 20%
24 Beowulf 2.4 2275 33 34 300 40% 2348 21%
25 KMT Chess 1.2.1 2248 34 35 300 36% 2352 19% * Open Source and Portable engines only: not interested in 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.