CCRL 40/4
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 1'626'652 games
played by 1'934 programs
21844 CPU days (X2 4600+)

White wins: 635'703 (39.1%)
Black wins: 517'026 (31.8%)
Draws: 473'923 (29.1%)
White score: 53.6%

Engine Details

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Rybka 2.1 64-bit (2913+25
−24
)Quote
Author: Vasik Rajlich (USA) Link: Homepage
Information: There is some debate in the chess community about whether or not early versions of the Rybka engine contain parts of Fruit code
This is one of the 25 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Toga II 1.3.12772+10
−9
(−141)43.5 − 15.5
(+33−5=21)
73.7%
43.5 / 59
100.0%
+17
= 1 1 1 1 = 1 1 1 1 0 = = 1 0 1 1 1 0 = 1 1 1 = = 1 = 1 1 1 = 0 1 = = 1 1 1 1 1 1 1 = 1 0 = = 1 = = = 1 1 = = 1 = 1 =
–   Toga II 1.2.1a 32-bit2762+9
−9
(−151)49 − 11
(+40−2=18)
81.7%
49.0 / 60
100.0%
+75
1 1 1 0 1 1 = = 1 1 1 1 1 1 1 1 1 = = 1 1 = 1 1 1 = 1 = = = 1 1 1 1 1 1 1 1 1 = 1 = = 1 1 1 = = 1 1 = = 0 1 1 1 1 1 = =
–   Naum 2.1 64-bit2761+21
−21
(−152)48 − 16
(+35−3=26)
75.0%
48.0 / 64
100.0%
+9
= 1 = 1 1 1 = 1 = 1 = 1 = 1 = = 1 = = 0 = 1 1 = = = 1 1 1 = = 1 1 = 1 1 = = 1 1 1 1 1 = 0 1 = 1 1 = = 1 1 1 1 1 1 1 0 = = 1 = 1
–   Hiarcs X502756+16
−16
(−157)42 − 17
(+32−7=20)
71.2%
42.0 / 59
100.0%
−14
0 1 1 1 = = = = = = 1 = = 1 = = 1 1 0 1 1 1 1 0 1 = 1 = 1 = 1 1 1 = 1 1 1 1 0 1 1 = 1 = = = 1 0 1 1 1 1 1 1 1 0 = 0 =
–   Fritz 92751+11
−11
(−162)42.5 − 17.5
(+36−11=13)
70.8%
42.5 / 60
100.0%
−4
1 1 0 = 1 = 0 1 1 1 1 = 1 1 1 = 1 0 1 1 1 = 1 = 0 1 0 1 1 = 1 1 1 1 1 = 0 1 1 = 1 = 0 1 = 1 1 0 1 = 1 0 1 0 1 1 1 0 1 =
–   Spike 1.2 Turin2731+6
−6
(−182)47 − 13
(+38−4=18)
78.3%
47.0 / 60
100.0%
+16
= 1 1 1 1 1 1 1 1 0 1 = 1 1 1 1 1 = = 1 0 1 = 1 = 1 = 1 = 1 1 0 = = 1 1 = 1 1 1 1 1 = = 1 1 1 = 1 1 1 = 1 = 1 1 = 1 = 0
–   Hiarcs X54 64-bit2715+36
−36
(−198)42 − 17
(+35−10=14)
71.2%
42.0 / 59
100.0%
−45
= 1 = 1 1 1 0 = 1 1 = 1 1 0 1 1 = 1 1 0 1 1 1 1 1 0 1 = 1 1 1 1 = 1 1 0 = 1 = = 1 1 1 1 1 = = 1 0 1 0 0 = 1 1 0 = 1 0
–   Chess Tiger 20072701+11
−11
(−212)48 − 15
(+43−10=10)
76.2%
48.0 / 63
100.0%
−5
0 0 1 1 1 = 1 1 1 = 1 1 1 0 = 1 0 1 1 = 1 1 1 1 = 1 1 = 0 0 1 1 0 1 1 = 0 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 = 1 1 0 0 1 = 1 1 1 1
–   Naum 2.0 64-bit2694+11
−11
(−219)44 − 16
(+34−6=20)
73.3%
44.0 / 60
100.0%
−62
1 1 = 0 1 = = 0 1 1 = 1 = 1 1 = = = = 1 = 1 0 = 0 = 1 1 1 1 = 1 1 = 1 = 0 1 = = = 1 1 1 1 1 = 1 = 1 1 1 0 1 1 1 1 1 1 1
–   Glaurung 1.2.1 64-bit2656+15
−14
(−257)49 − 11
(+43−5=12)
81.7%
49.0 / 60
100.0%
−9
1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 = 0 1 = 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 = 1 0 = = 0 1 1 0 1 1 = 1 1 1 1 = 1 1 0 1 1 1 1 =
–   CM10th Xperience2639+14
−14
(−274)52 − 8
(+46−2=12)
86.7%
52.0 / 60
100.0%
+18
1 = = = 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 = = 1 1 = 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 = = = 1 1 1 1 1 1 1 1 1 1 1 1 0 = = 1 1 1

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Pure listRankRatingNumber of games
Rybka 2.1 64-bit
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Created in 2005-2013 by CCRL team
Last games added on January 13, 2018