The Week in Chess

Thursday, March 14, 2013

Robodini 1.1 - Winner! Owl Computer Chess Engines Gauntlet Tournament

Finally, after 1-1/2 months of the computer chess engines gauntlet tournament marathon, a clear winner emerged, Robodini!.  Congratulations to +Richard Vida, author of Robodini 1.1 ...

Since the start of the tournament, Robodini lead the pack, followed closely by Houdini 3 of +Robert Houdart .  It seemed it was just luck that Robodini was the initial leader and the invincible Houdini would take over.  But soon it became apparent that it was very difficult to overtake Robodini even into the last stretch. The final score was 261.5/300 for Robodini and 257.0/300 for Houdini with a 4.5 points margin.

Another surprising performance is from Ippolit 0.080b3 who was resurrected from the dead.  It placed above the rest of its strong descendants like Robbolito, Ivanhoe, LEOpard, Fire, Saros, Vitruvius, Gull, PanChess, Akkad, Tankist, Bouquet, etc.  It makes me wonder whether there was real progress since 2009 when Ippolit first broke the chess engines scene.

Ryanfish 1, a relatively unknown chess engine in most rating list sites performed very well, outclassing its parent, Stockfish 2.3.1.  Strelka 5.5 is in #3 and Critter 1.6a in #4 but their position is reversed in the overall Top 100 Chess Engines Rating List. Tactico Pro in number 5, also excluded in the other rating sites is very strong, maybe because it inherited the DNA of Ippolit.  Komodo 5, consistently in the top 5 of other rating list sites placed #5.  Leopard 0.7c and Fire 2.2 xTreme is in the 9th and 10th position respectively which are Ippolit derivatives.

The field is so strong that even the strongest engines like Stockfish 2.3.1, Robbolito 0.10 and Rybka 4.1 fell out of the top 10.  Most of the contestants at the current TCEC-Chess Live tournament look like ordinary chess engines in comparison.

The Gauntlet Tournament is a Category 21 event where participants have an average of 2753 ELO rating based on Owl's rating list.

Here is the summary of the top 10 strongest computer chess engines finishers:

Rank Engine ELO Score% Games Points Win Loss Draw
1 Robodini 1.1 3086 87.17% 300 261.5 234 11 55
2 Houdini 3 Pro 3106 85.67% 300 257.0 226 12 62
3 Strelka 5.5 3011 80.83% 300 242.5 201 16 83
4 Critter 1.6a 3023 80.17% 300 240.5 198 17 85
5 Tactico Pro 2965 76.00% 300 228.0 184 28 88
6 RyanFish 1 2953 74.67% 300 224.0 178 30 92
7 Ippolit 0.080b3 2943 74.50% 300 223.5 179 32 89
8 Komodo 5 2961 74.00% 300 222.0 182 38 80
9 LEOpard 0.7c 2935 73.33% 300 220.0 170 30 100
10 Fire 2.2 xTreme 2932 72.50% 300 217.5 174 39 87
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