The Week in Chess

Tuesday, August 13, 2013

Mars 1 x64 - Gauntlet Matches 20 Rounds

Mars 1 x64 is a UCI chess engine by Trap released last August 11, 2013. This is an Ippolit clone, specifically derived from Fire or Firenzina as pointed out by Norman Schmidt, the author of Fire.

Mars 1 x64 scored 50.3% with 427 wins, 416 losses and 1157 draws against the 20 strongest computer chess engines. It earned 3080 ELO rating points and currently at number 9 in the Top 100 Chess Engines list above Fire 2.2 by 10 ELO points. Mars 1 defeated 12 strong engines including the higher rated ComStock 3 but was beaten by the lower rated Fire 2.2 and Rybka 4.1.  As a result of this good performance of Mars 1, the last engine in the previous top 20 strongest chess engines will be displaced which happened to be Vitruvius 1.11C.

Included in the statistics are the TF% and Ply columns that represents Time Forfeit percentage and Average Ply (half-moves) duration of the forfeited games, respectively. Now, chess engine authors will have an idea how their engines perform in the very short time control tournaments in this rating list and testing site. For the complete time forfeit statistics, you may view this 61st All Versions rating list.

Also, the ELO rating change (CHG) is not normal, as I reverted the 64bit tournament batch that caused the negative changes in the older rating list due to overloading of tournaments and the improper defaults of the UCI threads parameter. 


Rank Engine ELO Raw Score% Points Win Loss Draw Chg TF% Ply
1 Houdini 3 Pro x64 3187 89 64.5 64.5 42 13 45 16 0 0
2 Stockfish 130801 x64 3167 83 63.5 63.5 41 14 45 16 0 0
3 Critter 1.6a x64 3103 26 54.5 54.5 26 17 57 16 0 0
4 Komodo 5.1r2 x64 3099 19 53.0 53.0 28 22 50 16 1 149
5 Rybka 4.1 x64 3036 16 52.5 52.5 26 21 53 18 0 0
6 Fire 2.2 xTreme x64 3070 11 52.0 52.0 20 16 64 17 4 45
7 Robodini 1.1 x64 3106 4 50.5 50.5 25 24 51 15 0 0
8 RyanFish 1 x64 3087 0 50.0 50.0 29 29 42 16 0 0
9 Mars 1 x64 3080 0 50.3 1005.5 427 416 1157 3080 1.25 74
10 Tactico Power 2011 x64 3043 -2 49.5 49.5 18 19 63 17 0 0
11 Igorrit 0.086v9 x64 3077 -2 49.5 49.5 17 18 65 17 1 4
12 Bouquet 1.7b x64 3082 -5 49.0 49.0 15 17 68 16 3 82
13 RobboLito 0.21Q x64 3066 -7 48.5 48.5 15 18 67 16 3 109
14 Vitruvius 1.11C x64 3031 -7 48.5 48.5 18 21 61 18 1 106
15 Firenzina 2.3.1 xTreme x64 3073 -12 47.5 47.5 15 20 65 16 2 50
16 Strelka 5.5 x64 3053 -16 47.0 47.0 14 20 66 16 1 35
17 PanChess 00.400 x64 3068 -17 46.5 46.5 15 22 63 16 2 86
18 ComStock 3 x64 3083 -24 45.5 45.5 18 27 55 15 1 61
19 LEOpard 0.7c x64 3045 -26 45.0 45.0 11 21 68 16 0 0
20 Gull 2.1 x64 3055 -58 39.5 39.5 12 33 55 15 2 98
21 Ivanhoe 46h x64 3054 -70 38.0 38.0 11 35 54 15 4 115
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Download the computer chess engines tournament games here.

5 comments:

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    2. thanks for the info, I thought it was the author's Trap engine Mars.

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  3. The original is Ippolit by Russian, Italian, German Authors. Mars 1 derived from Fire 2.2 (Ippolit clone) by Norman Schimdt from Belgium. Mars 1 modified by Trap aka Majortom of unknown country.

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