Owl Computer Chess Engines Rating List #4 - All Versions

The 4th Owl Chess Engines Rating List is released after incorporating the finished 4 round gauntlets of  Junior 13.3, Grapefruit 1.0, Onno 1.2.70, Belka 1.8.20, Doch 1.3.4 and the 100 round matches of Ivanhoe 46h.  There are no changes in the top 11 chess engines, while only a slight re-shuffle of places from the 12th down which is understandable considering that the positions are tighly packed.

Houdini 3 is 22 ELO points stronger with the nearest placer Robodini 1.1 and 85 ELO points with Critter 1.6a.  The engine to watch is Critter 1.6a when +Richard Vida will include one day his improvements made in Robodini.

Rank	Name	ELO	+	-	Games	Score	Oppo.	Draws
1	Houdini 3 Pro	2967	11	11	3288	75%	2788	33%
2	Robodini 1.1	2944	10	10	3288	72%	2788	34%
3	Critter 1.6a	2882	10	10	3288	64%	2790	49%
4	Strelka 5.5	2873	10	10	3288	63%	2791	46%
5	Tactico Pro	2831	9	9	3288	56%	2792	52%
6	Komodo 5	2830	10	10	3288	56%	2792	42%
7	Stockfish 2.3.1	2819	10	10	3288	54%	2792	48%
8	RyanFish 1	2819	9	9	3288	54%	2792	49%
9	RobboLito 0.10	2809	9	9	3288	53%	2793	55%
10	Ippolit 0.080b3	2809	9	9	3288	53%	2793	52%
11	Ivanhoe 46h	2805	9	9	3288	52%	2793	52%
12	Vitruvius 1.11C	2804	42	42	188	60%	2726	41%
13	Saros 3.3b	2804	9	9	3288	52%	2793	51%
14	LEOpard 0.7c	2804	9	9	3288	52%	2793	52%
15	Fire 2.2 xTreme	2799	9	9	3288	51%	2793	53%
16	ComStock 1.0.2b	2798	10	10	3288	51%	2793	46%
17	Rybka 4.1	2798	10	10	3288	51%	2793	46%
18	Akkad 0.52b	2795	9	9	3288	50%	2793	52%
19	Bouquet 1.6	2793	9	9	3288	50%	2793	51%
20	Gull II	2792	9	9	3288	50%	2793	50%
21	OpenCritter 1.1.37	2792	9	9	3288	50%	2793	48%
22	Igorrit 0.086v9	2790	9	9	3288	49%	2793	52%
23	Tankist 3.1	2788	9	9	3288	49%	2793	52%
24	Sting SF PV	2782	10	10	3288	48%	2793	47%
25	Szint GM	2780	10	10	3288	48%	2794	48%
26	Damirs Killer 77	2771	9	9	3288	46%	2794	51%
27	PanChess 00.240	2770	10	10	3288	46%	2794	47%
28	Tinapa 1.01	2754	10	10	3288	44%	2794	46%
29	Black Mamba 1.2c	2749	41	41	188	52%	2727	43%
30	Crab PGO	2737	10	10	3288	41%	2795	43%
31	Spike 1.4	2719	0	0	3288	38%	2795	39%
32	Naum 4.2	2700	0	0	3288	35%	2796	40%
33	Hannibal 1.3	2695	2	2	188	45%	2728	41%
34	Hiarcs 14	2692	3	3	188	44%	2728	27%
35	Shredder 12	2679	0	0	3288	33%	2797	36%
36	Sjeng 2010	2672	0	0	3288	32%	2797	33%
37	Spark 1.0	2617	5	5	188	34%	2730	28%
38	Chiron 1.1a	2602	4	4	188	32%	2730	32%
39	Thinker 54D Inert	2553	5	5	188	26%	2731	34%
40	Quazar 0.4	2551	6	6	188	27%	2731	30%
41	Fruit 2.3.3f	2545	6	6	188	25%	2731	31%
42	Doch 1.3.4	545	8	8	188	26%	2731	20%
43	Booot 5.1	545	6	6	188	25%	2731	29%
44	Junior 13.3	539	7	7	188	26%	2732	25%
45	Grapefruit 1.0	539	8	8	188	26%	2732	24%
46	Onno 1.2.70	529	8	8	188	24%	2732	21%
47	Belka 1.8.20	493	0	0	188	20%	2733	21%
48	Crafty 23.5	418	6	6	188	14%	2734	18%