The Week in Chess

Sunday, August 31, 2014

Houdini 1.5a x64 - Gauntlet Matches, 100 Rounds 1M+1S

Houdini 1.5a x64 is a UCI chess engine by Robert Houdart released last January 15, 2011.


Houdini came into prominence in 2010 when version 1.5 won the TCEC Season 1 Chess Engines Tournament ahead of Rybka, the dominant chess engine in the past 5 years. Since then, there were challengers who were strong enough to topple Houdini in late 2013.


How strong is Houdini 1.5a relative to the current crop of strong chess engines? The gauntlet matches with the Ippolit clones selection showed that it is behind Houdini 4, Strelka 6 and Robodini 1.1. In addition, Stockfish 5, Komodo 7a and Gull 3 of the Top Chess Engines selection were also stronger than Houdini 1.5a.


Rank Engine True ELO Raw ELO Change Games Score% Points Win Loss Draw
1 Houdini 4 Pro x64 3116.70 201.58 -0.59 100 69.00 69.0 46 8 46
2 Robodini 1.1 x64 3053.26 121.54 -2.67 100 58.50 58.5 40 23 37
3 Strelka 6 3072.06 96.53 -1.41 100 55.00 55.0 36 26 38
4 Houdini 1.5a x64 3038.89 61.37 3038.89 2000 58.90 1178.0 730 374 896
5 Critter 1.6a x64 3012.25 29.74 -2.77 100 45.50 45.5 19 28 53
6 Mars 2.2 x64 2995.65 22.66 -0.90 100 44.50 44.5 13 24 63
7 Fire 3.0 x64 2990.37 19.11 -1.63 100 44.00 44.0 25 37 38
8 Strong Chess 1.0 x64 2964.04 11.98 19.96 100 43.00 43.0 21 35 44
9 Pan Chess 0.537 x64 2966.47 -6.04 -1.57 100 40.50 40.5 18 37 45
10 Saros eXp R5 x64 2965.72 -9.69 -2.23 100 40.00 40.0 17 37 46
11 Bouquet 1.8 x64 2975.63 -17.02 -2.56 100 39.00 39.0 16 38 46
12 Akkad 0.52b x64 2893.15 -24.42 -1.14 100 38.00 38.0 12 36 52
13 RobboLito 0.21Q x64 2954.63 -24.42 -2.33 100 38.00 38.0 15 39 46
14 Tactico Power 2011 x64 2949.31 -28.15 -2.67 100 37.50 37.5 15 40 45
15 Firenzina 2.4 xTreme x64 2973.20 -35.67 -2.78 100 36.50 36.5 17 44 39
16 LEOpard 0.7c x64 2946.25 -43.28 -3.22 100 35.50 35.5 13 42 45
17 Black Mamba 2.0 x64 2923.65 -47.11 -1.47 100 35.00 35.0 11 41 48
18 Vitruvius 1.11C x64 2939.08 -62.74 -2.60 100 33.00 33.0 8 42 50
19 Igorrit 0.086v9 x64 2949.21 -78.85 -3.04 100 31.00 31.0 13 51 36
20 Ivanhoe 46h x64 2942.63 -82.96 -3.41 100 30.50 30.5 12 51 37
21 Open Critter 1.1.37 x64 2913.53 -104.14 -2.21 100 28.00 28.0 7 51 42

Download the gauntlet matches tournament games here.

Owl Computer Chess Engines Rating List - 09/01/2014

The Owl Computer Chess Engines Rating List released, 09/01/2014.

View the full rating list here.

Tuesday, August 26, 2014

Disco Check 5.2.1 x64 - Gauntlet Matches, 100 Rounds + 1M1S

Disco Check 5.2.1 x64 is a UCI chess engine by Lucas Braesch released last August 23, 2014.

Per author, the Disco Check development was abandoned probably to concentrate in maintaining Stockfish, currently the strongest chess engine on the Planet.

Disco Check 5.2.1 is now inside the Top 20 Chess Engines Selection kicking out the older version 5.2 and Murka 3.


Rank Engine True ELO Raw ELO Change Games Score% Points Win Loss Draw
1 Stockfish 5 x64 3189.57 326.88 0.22 100 92.50 92.5 85 0 15
2 Houdini 4 Pro x64 3117.29 262.14 0.30 100 89.50 89.5 81 2 17
3 Komodo 7a x64 3117.98 244.22 -0.03 100 88.50 88.5 80 3 17
4 Gull 3 x64 3081.14 146.47 -1.35 100 81.50 81.5 69 6 25
5 Equinox 2.02 x64 2969.76 124.13 0.39 100 79.50 79.5 68 9 23
6 Rybka 4.1 x64 2964.43 83.84 -0.06 100 75.50 75.5 60 9 31
7 Chiron 2.0 x64 2818.80 35.10 4.23 100 70.00 70.0 57 17 26
8 Texel 1.04 x64 2822.52 14.70 2.71 100 67.50 67.5 55 20 25
9 Senpai 1.0 x64 2786.53 -12.56 1.95 100 64.00 64.0 42 14 44
10 Hannibal 1.4b x64 2833.11 -27.60 -0.67 100 62.00 62.0 41 17 42
11 Deep HIARCS 14 2813.33 -35.00 -0.13 100 61.00 61.0 46 24 30
12 Protector 1.6.0 x64 2834.61 -53.22 -0.78 100 58.50 58.5 39 22 39
13 Junior 13.8.04 x64 2739.97 -71.13 1.68 100 56.00 56.0 46 34 20
14 Naum 4.2 x64 2775.79 -71.13 0.66 100 56.00 56.0 34 22 44
15 Spike 1.4 2802.47 -78.22 -0.68 100 55.00 55.0 34 24 42
16 Gaviota 1.0 x64 2739.39 -106.38 1.26 100 51.00 51.0 40 38 22
17 Shredder 12 x64 2815.74 -106.38 -0.77 100 51.00 51.0 33 31 36
18 Disco Check 5.2.1 x64 2742.89 -113.39 2742.89 2100 36.02 756.5 430 1017 653
19 Sjeng 2010 2740.92 -134.44 -0.64 100 47.00 47.0 33 39 28
20 Spark 1.0 x64 2750.38 -134.44 -0.04 100 47.00 47.0 34 40 26
21 Murka 3 x64 2713.61 -141.49 0.33 100 46.00 46.0 23 31 46
22 Disco Check 5.2 x64 2712.36 -152.10 3.58 100 44.50 44.5 17 28 55
.
Download the gauntlet matches PGN games here.

Owl Computer Chess Engines Rating List - 08/26/2014

The Owl Computer Chess Engines Rating List released, 08/26/2014.

View the full rating list here.

Saturday, August 23, 2014

OpenCritter 1.1.37 x64 - Gauntlet Match 100 Rounds, 1M+1S

OpenCritter 1.1.37 x64 is a UCI chess engine by Richard Vida released last October 7, 2011.

It is a derivative from the Ippolit family of chess engines written in Pascal. This was the predecessor of the stronger Critter chess engine written in C. OpenCritter was able to hold its strength against the other Ippolit clones despite the inferiority of the Pascal programming language which is good for educational purposes.

This gaunlet match completes the list of the Top 20 Ippolit Clones Selection.
 
Rank Engine True ELO Raw ELO Change Games Score% Points Win Loss Draw
1 Houdini 4 Pro x64 3116.99 202.70 -2.51 100 80.00 80.0 63 3 34
2 Strelka 6 3073.07 95.90 -4.00 100 68.50 68.5 45 8 47
3 Critter 1.6a x64 3014.76 56.80 -3.22 100 63.50 63.5 41 14 45
4 Robodini 1.1 x64 3055.14 45.55 -4.59 100 62.00 62.0 45 21 34
5 Fire 3.0 x64 2991.77 12.73 -3.69 100 57.50 57.5 31 16 53
6 Ivanhoe 46h x64 2945.14 9.15 -3.28 100 57.00 57.0 32 18 50
7 Mars 2.2 x64 2996.05 5.58 -6.13 100 56.50 56.5 28 15 57
8 LEOpard 0.7c x64 2948.78 -1.53 -3.58 100 55.50 55.5 30 19 51
9 StrongChess 1.0 x64 2946.25 -5.07 -4.21 100 55.00 55.0 28 18 54
10 Firenzina 2.4 xTreme x64 2975.51 -12.14 -4.80 100 54.00 54.0 28 20 52
11 Tactico Power 2011 x64 2951.07 -15.67 -3.83 100 53.50 53.5 27 20 53
12 Vitruvius 1.11C x64 2941.06 -15.67 -3.72 100 53.50 53.5 28 21 51
13 Black Mamba 2.0 x64 2924.80 -19.19 -3.32 100 53.00 53.0 33 27 40
14 Bouquet 1.8 x64 2978.17 -26.21 -4.96 100 52.00 52.0 24 20 56
15 Saros eXp R5 x64 2967.26 -36.74 -6.30 100 50.50 50.5 28 27 45
16 OpenCritter 1.1.37 x64 2912.67 -40.24 37.81 1900 44.29 841.5 369 586 945
17 RobboLito 0.21Q x64 2956.29 -43.75 -3.87 100 49.50 49.5 24 25 51
18 PanChess 00.537 x64 2967.98 -54.27 -5.42 100 48.00 48.0 20 24 56
19 Igorrit 0.086v9 x64 2951.69 -71.87 -5.44 100 45.50 45.5 15 24 61
20 Akkad 0.52b x64 2893.38 -86.06 -4.38 100 43.50 43.5 16 29 55
.
Download the gauntlet matches PGN games here.

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