CCRL 40/4
Downloads and Statistics
August 20, 2019
Testing summary:
Total: 2'086'404 games
played by 2'425 programs
28073 CPU days (X2 4600+)

White wins: 810'229 (38.8%)
Black wins: 655'304 (31.4%)
Draws: 620'871 (29.8%)
White score: 53.7%

Engine Details

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Rybka 2.3 LK 32-bit (2896+24
−23
)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
–   Hiarcs 112790+15
−14
(−106)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
−21
1 = 1 0 0 1 = 1 1 0 1 = = = = 1 = = = 1 1 1 1 1 0 0 1 0 0 = 1 1
–   Toga II 1.3.12772+9
−10
(−124)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
+12
1 = 1 = 1 1 = 1 1 0 = 1 = 1 = = 1 = 0 = = 1 0 1 1 1 1 1 1 1 = 0
–   Toga II 1.2.1a 32-bit2762+9
−9
(−134)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
+98
1 1 1 1 = 1 1 0 1 = 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 = 1 = 0 0
–   Hiarcs X502755+16
−16
(−141)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−27
= 1 1 = = 1 = 0 1 1 1 = = 1 1 = 0 1 = 0 = 1 1 1 1 = 1 0 0 = 1 1
–   Fruit 2.2.12750+18
−18
(−146)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−30
1 = = = = 1 = 1 = 1 1 0 1 1 = 1 1 = 0 1 0 0 0 = 1 1 1 = 1 = 1 1
–   Fritz 92750+11
−10
(−146)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−7
1 1 1 = 0 1 1 = 1 1 1 1 1 = 0 1 1 1 1 1 0 = 1 1 0 1 = = 0 = = =
–   Hiarcs X54 32-bit2744+16
−16
(−152)19 − 13
(+14−8=10)
59.4%
19.0 / 32
100.0%
−91
1 1 0 = 1 1 = = 0 0 0 1 1 1 1 = 1 = = = 1 0 0 = 1 1 0 = = 0 1 1
–   Naum 2.1 32-bit2738+14
−14
(−158)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+32
1 1 = 1 1 = 1 = 1 1 1 1 1 1 0 = 1 1 = 1 1 = 0 = 1 0 1 1 = 1 1 =
–   Hiarcs 102735+20
−20
(−161)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+10
0 1 1 1 0 1 = 1 1 = 1 1 1 = 1 = 1 1 1 = 1 = 1 = 1 1 1 0 1 0 0 1
–   Spike 1.2 Turin2731+6
−6
(−165)18.5 − 12.5
(+13−7=11)
59.7%
18.5 / 31
100.0%
−101
1 1 = = = 0 1 0 = 1 = 1 1 1 0 1 0 1 1 0 = = 0 = = 0 1 1 = 1 =
–   Chess Tiger 2007.12713+7
−7
(−183)15.5 − 5.5
(+12−2=7)
73.8%
15.5 / 21
100.0%
−20
1 1 1 = = = 1 1 1 1 1 = 1 = = 1 1 0 = 0 1
–   Chess Tiger 20072700+11
−10
(−196)26.5 − 3.5
(+23−0=7)
88.3%
26.5 / 30
100.0%
+104
1 = 1 = = 1 1 1 = 1 1 1 1 1 = 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1
–   Naum 2.0 32-bit2699+8
−8
(−197)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+48
1 = 1 1 1 = 0 1 = 1 1 = = 1 1 1 = 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1
–   Glaurung 1.2.1 32-bit2657+10
−10
(−239)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
−55
1 = = 1 1 1 = 0 1 1 0 = 0 1 1 = 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 1
–   Scorpio 1.812648+14
−14
(−248)51 − 13
(+43−5=16)
79.7%
51.0 / 64
100.0%
−29
1 1 1 1 1 1 = 1 1 1 = 1 0 = 1 = 1 = 1 1 0 = 1 1 = 1 1 1 = 1 = 1 1 0 1 1 1 1 = 1 1 0 1 0 1 = 1 1 1 1 = 1 1 = 1 = = 1 1 1 1 = 1 1
–   Scorpio 1.92641+13
−13
(−255)55 − 9
(+49−3=12)
85.9%
55.0 / 64
100.0%
+34
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 1 0 = = 1 1 1 1 1 = 1 1 = 1 1 1 = 1 1 1 = = 1 1 1 0 = 1
–   Scorpio 1.912640+12
−12
(−256)23.5 − 7.5
(+20−4=7)
75.8%
23.5 / 31
100.0%
−65
0 1 = 1 1 1 1 1 1 = 0 = 1 1 1 0 1 1 1 = = 1 1 = 1 1 = 0 1 1 1
–   Scorpio 1.822638+20
−20
(−258)28.5 − 3.5
(+27−2=3)
89.1%
28.5 / 32
100.0%
+102
= 0 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 1 1
–   Scorpio 1.842632+20
−20
(−264)56 − 8
(+50−2=12)
87.5%
56.0 / 64
100.0%
+39
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 1 1 = 0 1 1 1 1 = 1 = = 1 1 = 1 1 1 1 1 1 0 1 1 1
–   Scorpio 1.82623+15
−15
(−273)27 − 5
(+25−3=4)
84.4%
27.0 / 32
100.0%
+18
1 1 1 1 1 = 1 1 1 0 = 0 1 1 1 1 1 1 1 1 1 1 = 1 1 0 1 = 1 1 1 1
–   ProDeo 1.22608+11
−11
(−288)27.5 − 4.5
(+26−3=3)
85.9%
27.5 / 32
100.0%
+32
1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 = 1 1 = 1 0 1 1 1 = 1 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on August 20, 2019