The Week in Chess

Sunday, March 3, 2013

Owl Computer Chess Engines Rating List #10

The 10th Owl Computer Chess Engines Rating List released.  This featured the completed gauntlet 4 round matches  from Umko 1.2, Smaug 2.2.1, Zappa Mexico II, Jonny 4.00, Glaurung 2.2, Chronos 1.9.9 and SmarThink 1.20.

Houdini is still the number 1 which seems invincible at the top of the rating list.  It is followed by Robodini, Critter and Strelka with the only chess engines over 3000 ELO ratings.

There was a change in the ELO rating calculation where the parameters used for the BayesELO Program are mm 0 1 and offset 2825 Naum 4.2, to bring it closer to the statistical figures with the other rating list sites particularly CEGT and IPON.


Rank Name ELO + - Games Score Oppo. Draws
1 Houdini 3 Pro 3109 9 9 3768 76% 2906 32%
2 Robodini 1.1 3089 8 8 3768 74% 2906 32%
3 Critter 1.6a 3026 8 8 3768 66% 2908 47%
4 Strelka 5.5 3014 8 8 3768 65% 2908 45%
5 Tactico Pro 2967 8 8 3768 58% 2909 50%
6 Komodo 5 2963 8 8 3768 57% 2910 41%
7 RyanFish 1 2955 8 8 3768 56% 2910 47%
8 Stockfish 2.3.1 2955 8 8 3768 56% 2910 46%
9 Ippolit 0.080b3 2945 8 8 3768 55% 2910 50%
10 RobboLito 0.10 2943 8 8 3768 54% 2910 53%
11 Ivanhoe 46h 2938 8 8 3768 54% 2910 51%
12 LEOpard 0.7c 2937 8 8 3768 53% 2910 50%
13 Saros 3.3b 2937 8 8 3768 53% 2910 49%
14 Fire 2.2 xTreme 2933 8 8 3768 53% 2910 51%
15 Rybka 4.1 2932 8 8 3768 53% 2910 45%
16 ComStock 1.0.2b 2931 8 8 3768 53% 2910 44%
17 Vitruvius 1.11C 2930 8 8 3768 52% 2910 49%
18 Akkad 0.52b 2926 8 8 3768 52% 2911 50%
19 Gull II 2926 8 8 3768 52% 2911 48%
20 Bouquet 1.6 2925 8 8 3768 52% 2911 50%
21 Igorrit 0.086v9 2924 8 8 3768 51% 2911 49%
22 OpenCritter 1.1.37 2924 8 8 3768 51% 2911 46%
23 Tankist 3.1 2920 8 8 3768 51% 2911 51%
24 Sting SF PV 2914 8 8 3768 50% 2911 46%
25 Szint GM 2910 8 8 3768 50% 2911 46%
26 PanChess 00.240 2900 8 8 3768 48% 2911 46%
27 Damirs Killer 77 2899 8 8 3768 48% 2911 50%
28 Tinapa 1.01 2882 8 8 3768 46% 2912 45%
29 Crab PGO 2860 8 8 3768 43% 2912 42%
30 Hiarcs 14 2845 8 8 3768 41% 2913 33%
31 Spike 1.4 2842 8 8 3768 40% 2913 39%
32 Black Mamba 1.2c 2841 8 8 3768 40% 2913 40%
33 Naum 4.2 2825 8 8 3768 38% 2913 40%
34 Shredder 12 2799 8 8 3768 35% 2914 36%
35 Hannibal 1.3 2792 8 8 3768 34% 2914 35%
36 Sjeng 2010 2791 8 8 3768 34% 2914 33%
37 Protector 1.5.0 2737 31 31 268 45% 2781 33%
38 Spark 1.0 2733 32 32 268 44% 2782 29%
39 Chiron 1.1a 2702 32 32 268 40% 2782 33%
40 Thinker 54D Inert 2689 32 32 268 38% 2782 32%
41 Cyclone xTreme 2682 32 32 268 38% 2782 28%
42 Fruit 2.3.3f 2679 32 32 268 37% 2782 29%
43 Quazar 0.4 2672 32 32 268 37% 2782 30%
44 Doch 1.3.4 2658 33 33 268 35% 2783 25%
45 Grapefruit 1.0 2658 33 33 268 35% 2783 27%
46 Booot 5.1 2649 33 33 268 33% 2783 30%
47 Junior 13.3 2647 34 34 268 34% 2783 25%
48 Onno 1.2.70 2642 33 33 268 33% 2783 25%
49 Ktulu 9.0 2625 34 34 268 31% 2783 26%
50 Mad Prune 1.1.25 2622 34 34 268 31% 2783 24%
51 Belka 1.8.20 2620 34 34 268 31% 2783 22%
52 Toga II 2.0 SE 2617 34 34 268 30% 2783 28%
53 Chronos 1.9.9 2616 34 34 268 30% 2783 25%
54 Minko Chess 1.3 2615 34 34 268 30% 2783 27%
55 Glaurung 2.2 2612 34 34 268 30% 2783 24%
56 Gaviota 0.86 2609 34 34 268 29% 2783 25%
57 Tornado 4.88 2601 35 35 268 29% 2784 22%
58 Nemo 1.0.1b 2590 35 35 268 28% 2784 23%
59 Smaug 2.2.1 2590 35 35 268 27% 2784 23%
60 Bright 0.5c 2588 35 35 268 27% 2784 22%
61 Texel 1.01 2585 35 35 268 27% 2784 26%
62 Loop 2007 2576 35 35 268 26% 2784 23%
63 Umko 1.2 2572 35 35 268 25% 2784 24%
64 Jonny 4.00 2561 36 36 268 25% 2784 19%
65 Naraku 1.4 2558 37 37 268 26% 2784 12%
66 SmarThink 1.20 2553 37 37 268 24% 2784 17%
67 Crafty 23.5 2547 36 36 268 23% 2784 23%
68 Zappa Mexico II 2541 37 37 268 23% 2784 18%
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