* 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.
* 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.
Results
Code: Select all
Rank Name Elo + - games score oppo. draws
1 IvanHoe 999946a 3224 44 41 250 83% 2916 20%
2 Stockfish 2.2.1 3201 43 40 250 81% 2920 24%
3 Protector 1.4 2947 34 33 300 53% 2926 24%
4 Umko 1.2 2872 29 29 400 51% 2878 25%
5 Toga 1.4.1 2846 28 28 450 53% 2833 22%
6 Daydreamer 1.75 2733 31 31 300 53% 2706 30%
7 Crafty 23.4 2713 30 30 400 30% 2898 23%
8 Fruit 2.1 2700 29 30 350 43% 2745 25%
9 GNU Chess 5.07.173b 2663 32 32 300 42% 2718 26%
10 Greko 9.0 2443 45 50 200 15% 2736 16%