The Week in Chess

Tuesday, October 14, 2014

Arasan 17.4 x64 - Gauntlet Matches - 100 Rounds, 1M+1S

Arasan 17.4 x64 is a UCI chess engine by Jon Dart released last October 11, 2014.

Arasan scored moderately well against the selected opponents, but surprisingly has a high ELO rating of 2769.06 which is within the range of the Owl Top Chess Engines selection list. It will undergo another 100 round gauntlet matches against the Top Chess Engines to determine if it will enter the circle of the chosen.

There was a big change in the rating list presentation which affected the rankings. The older versions were removed which had caused inconsistency in the ELO rating due to random tournament results. The chess engines will carry just one name which will be like that of the human ELO rating list.

As a result of the change, Gaviota 1.0 and Disco Check were unintentionally evicted in the Top Chess Engines selection. There was a big plus or minus in the ELO rating of the individual chess engines particularly the lower half of the list in which many had over 100 ELO rating increase.
   
Rank Engine True ELO Raw ELO Change Games Score% Points Win Loss Draw
1 SmarThink 1.70 2773.40 96.23 76.80 100 59.50 59.5 43 24 33
2 Quazar 0.4 x64 2750.30 92.60 68.40 100 59.00 59.0 44 26 30
3 Minko Chess 1.3 x64 2738.73 53.39 58.36 100 53.50 53.5 39 32 29
4 Zappa Mexico II x64 2751.64 49.87 105.33 100 53.00 53.0 33 27 40
5 Smaug 2.2.1 x64 2749.73 39.33 105.78 100 51.50 51.5 31 28 41
6 Arasan 17.4 x64 2769.06 28.81 2769.06 1500 54.27 814.0 570 442 488
7 Cheng 4.0.36a x64 2747.64 25.31 83.35 100 49.50 49.5 31 32 37
8 Glaurung 2.2 x64 2745.62 11.28 118.45 100 47.50 47.5 34 39 27
9 Crafty 24.1 x64 2730.43 -20.58 2730.43 100 43.00 43.0 29 43 28
10 EX Chess 7.31b x64 2715.66 -31.35 60.10 100 41.50 41.5 28 45 27
11 Deuterium 14.2.33.276 x64 2738.00 -34.97 92.76 100 41.00 41.0 29 47 24
12 Booot 5.2.0 x64 2759.91 -42.24 52.71 100 40.00 40.0 26 46 28
13 Fruit 2.3.3f 2726.05 -42.24 94.46 100 40.00 40.0 24 44 32
14 Scorpio 2.7.6 x64 2718.46 -49.57 92.68 100 39.00 39.0 19 41 40
15 Rodent 1.5 x64 2706.12 -64.45 93.93 100 37.00 37.0 18 44 38
16 Fizbo 1.2 x64 2712.11 -111.40 81.77 100 31.00 31.0 14 52 34

Download the gauntlet matches PGN games here.

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