The Week in Chess

Sunday, September 21, 2014

Heron Impossible 1 x64 vs. Strong Engines Selection - 100 Rounds, 1M+1S

Heron Imposible 1 x64 is a UCI chess engine by Sayyed Mostafa Kattani released last September 15. It is a clone from Stockfish.

Per author, Heron could beat all chess engines except Stockfish 5. Out of curiosity, I tested Heron for the first time to find out the truth. The result showed that Heron was number 2 in the gauntlet matches and the temporary rating list. It even beat Stockfish 5 and Komodo 8 but lost only to Houdini 4. Stockfish 5 still is the number 1 in the rating list.

This gauntlet matches will not be included in the rating list publication but just for information purposes only, to show respect to the Stockfish developers with regards to the GPL license.

This test should give some idea for the Stockfish, Komodo, Houdini and other engine developers about the strength of Heron and not be daydreaming that their engines are the strongest.



Rank Engine True ELO Raw ELO Change Games Score% Points Win Loss Draw
1 Houdini 4 Pro x64 3117.45 194.18 1.19 100 55.00 55.0 26 16 58
2 Heron Impossible 1 x64 3133.55 159.01 3133.55 1600 69.97 1119.5 808 169 623
3 Stockfish 5 x64 3139.12 130.92 -0.98 100 46.00 46.0 11 19 70
4 Komodo 8 x64 3130.83 123.85 -1.00 100 45.00 45.0 19 29 52
5 Strelka 6 3071.40 76.93 -0.30 100 38.50 38.5 15 38 47
6 Pan Chess 0.611 x64 2989.86 69.50 1.86 100 37.50 37.5 14 39 47
7 Houdini 1.5a x64 3030.12 50.53 -0.07 100 35.00 35.0 17 47 36
8 Critter 1.6a x64 3015.02 30.93 -0.02 100 32.50 32.5 10 45 45
9 Equinox 2.02 x64 2970.32 30.93 0.73 100 32.50 32.5 11 46 43
10 Fire 3.0 x64 2990.03 14.68 0.10 100 30.50 30.5 8 47 45
11 Mars 3.2 x64 2993.87 14.68 0.04 100 30.50 30.5 10 49 41
12 Firenzina 2.4.2 xTreme x64 2973.48 -6.50 -0.08 100 28.00 28.0 8 52 40
13 Rybka 4.1 x64 2955.96 -15.29 0.11 100 27.00 27.0 10 56 34
14 Deep HIARCS 14 2810.98 -144.96 0.24 100 15.00 15.0 4 74 22
15 Disco Check 5.2.1 x64 2729.84 -236.00 0.05 100 9.50 9.5 2 83 15
16 Spark 1.0 x64 2742.89 -236.00 -0.11 100 9.50 9.5 3 84 13
17 Chiron 2.0 x64 2808.58 -257.41 -1.53 100 8.50 8.5 1 84 15
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Download the gauntlet matches PGN games here.

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