List of best single engines, one engine per Author:

Name Elo + - games score oppo. draws

1 Deep Rybka 4 2954 12 12 3000 79% 2732 29%
2 Houdini 1.03a 2951 12 12 3000 78% 2732 29%
3 Stockfish 1.9.1 JA 2899 13 13 2400 73% 2733 34%
4 Naum 4.2 2822 9 9 4100 63% 2732 39%
5 Critter 0.80 2817 11 11 2800 62% 2729 37%
6 Komodo 1.2 JA 2806 10 10 3300 60% 2739 40%
7 Deep Shredder 12 2800 9 9 5300 60% 2730 37%
8 Gull 1.1 2791 13 13 2000 56% 2751 38%
9 Deep Fritz 12 32b 2780 9 9 4300 57% 2731 38%
10 Deep Sjeng c't 2010 32b 2774 13 13 2200 54% 2745 37%
11 HIARCS 13.1 MP 32b 2733 10 10 3300 49% 2741 38%
12 Zappa Mexico II 2713 8 8 6700 49% 2718 38%
spark-0.4 2713 11 11 3000 46% 2740 39%
14 Protector 1.3.2 JA 2701 9 9 4700 46% 2731 38%
15 Deep Onno 1-2-70 2686 10 10 3300 42% 2741 39%
16 Hannibal 1.0a 2681 12 12 2700 42% 2739 34%
17 Deep Junior 12 2680 13 13 2300 41% 2746 31%
18 Toga II 1.4 beta5c BB 2670 8 7 6400 43% 2720 39%
19 Jonny 4.00 32b 2615 12 13 2400 32% 2745 32%
20 Loop 13.6/2007 2614 9 9 5200 35% 2723 36%
21 Crafty 23.3 JA 2604 12 12 2500 30% 2752 30%
22 Spike 1.2 Turin 32b 2583 8 8 6800 32% 2715 33%

Thanks The Chessmaster
IPON link
http://www.inwoba.de/index.html

Full list:

Name Elo + - games score oppo. draws

1 Houdini 1.5a 3010 11 11 4000 79% 2777 26%
2 Komodo64 3 SSE42 2966 14 14 2100 76% 2770 29%
3 Deep Rybka 4.1 SSE42 2955 11 11 3000 73% 2786 36%
4 Deep Rybka 4 2954 9 10 4700 75% 2763 33%
Critter 1.2 2954 12 12 2600 74% 2777 36%
6 Komodo 2.03 DC SSE42 2952 13 12 2700 74% 2772 30%
Houdini 1.03a 2952 12 12 3200 79% 2732 30%
8 Stockfish 2.1.1 JA 2943 12 12 2900 72% 2781 35%
9 Critter 1.01 SSE42 2924 12 12 2800 70% 2775 36%
10 Stockfish 2.01 JA 2922 11 11 3100 72% 2758 35%
11 Rybka 3 mp 2903 10 10 4200 77% 2707 31%
12 Stockfish 1.9.1 JA 2902 11 11 3000 71% 2751 36%
13 Critter 0.90 SSE42 2896 11 10 3400 68% 2764 36%
14 Stockfish 1.7.1 JA 2888 12 12 2900 73% 2717 33%
15 Rybka 3 32b 2851 15 15 1700 70% 2712 35%

Full list:

Name Elo + - games score oppo. draws

1 Houdini 2.0 STD 3020 15 15 2100 81% 2768 23%
2 Houdini 1.5a 3010 11 11 4000 79% 2777 26%
3 Komodo64 3 SSE42 2967 13 13 2500 74% 2784 31%
4 Deep Rybka 4.1 SSE42 2955 11 11 3100 72% 2793 37%
Critter 1.2 2955 12 12 2700 73% 2785 36%
6 Deep Rybka 4 2954 9 9 4800 75% 2767 33%
7 Komodo 2.03 DC SSE42 2952 13 12 2700 74% 2771 30%
8 Houdini 1.03a 2951 12 12 3200 79% 2731 30%
9 Stockfish 2.1.1 JA 2943 12 11 3000 71% 2789 35%
10 Critter 1.01 SSE42 2923 12 12 2800 70% 2774 36%
11 Stockfish 2.01 JA 2921 11 11 3100 72% 2758 35%
12 Rybka 3 mp 2902 10 10 4200 77% 2706 31%
13 Stockfish 1.9.1 JA 2901 11 11 3000 71% 2751 36%
14 Critter 0.90 SSE42 2896 11 10 3400 68% 2764 36%
15 Stockfish 1.7.1 JA 2888 12 12 2900 73% 2717 33%
16 Rybka 3 32b 2851 15 15 1700 70% 2712 35%
17 Stockfish 1.6.x JA 2835 12 12 2600 69% 2703 37%
18 Komodo64 1.3 JA 2834 10 11 3300 59% 2770 37%
19 Naum 4.2 2826 8 8 6300 58% 2767 40%
20 Critter 0.80 2821 11 11 2800 64% 2721 36%

Only 10 ELO gain compared to Houdini 1.5a

IPON Rating List - Full list:

Name Elo + - games score oppo. draws

1 Houdini 2.0 STD 3022 14 14 2600 80% 2777 24%
2 Houdini 1.5a 3010 11 11 4000 79% 2777 26%
3 Komodo64 3 SSE42 2967 12 12 2700 74% 2788 31%
4 Deep Rybka 4.1 SSE42 2955 11 11 3400 73% 2790 37%
5 Deep Rybka 4 2954 9 9 4900 74% 2772 33%
6 Critter 1.2 2952 12 11 2900 72% 2789 37%
7 Komodo 2.03 DC SSE42 2952 13 12 2700 74% 2772 30%
8 Houdini 1.03a 2952 12 12 3200 79% 2732 30%
9 Stockfish 2.1.1 JA 2942 11 11 3200 70% 2791 35%
10 Critter 1.01 SSE42 2923 12 12 2800 70% 2775 36%
11 Stockfish 2.01 JA 2922 11 11 3100 72% 2758 35%
12 Rybka 3 mp 2903 10 10 4200 77% 2707 31%
13 Stockfish 1.9.1 JA 2902 11 11 3000 71% 2751 36%
14 Critter 0.90 SSE42 2896 11 10 3400 68% 2764 36%
15 Stockfish 1.7.1 JA 2888 12 12 2900 73% 2717 33%
16 Rybka 3 32b 2851 15 15 1700 70% 2712 35%
17 Stockfish 1.6.x JA 2835 12 12 2600 69% 2704 37%
18 Komodo64 1.3 JA 2834 11 10 3300 59% 2771 37%
19 Chiron 1.0 2833 12 12 2300 57% 2782 39% NEW
20 Naum 4.2 2826 8 7 6500 58% 2770 40%
21 Critter 0.80 2822 11 11 2800 64% 2722 36%
22 Fritz 13 2818 12 12 2300 55% 2782 39%
23 Komodo 1.2 JA 2807 10 10 3700 59% 2746 40%
24 Rybka 2.3.2a mp 2801 10 10 3500 62% 2721 40%
25 Deep Shredder 12 2800 7 7 7600 56% 2762 38%

Komodo 4 IN.

its a pit to dont see strelka 5.1 in there...only strelka 2....
if someone knows the testers of ipon should tell them to test strelka 5.1 , tankist 3.1 , comstock