CCRL Blitz
Downloads and Statistics
July 1, 2020
Testing summary:
Total: 2'316'652 games
played by 2'725 programs

White wins: 892'731 (38.5%)
Black wins: 718'204 (31.0%)
Draws: 705'717 (30.5%)
White score: 53.8%

Engine Details

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Rybka 2.3 32-bit (2874+32
−31
)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 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 2.2 32-bit2893+14
−14
(+19)7.5 − 8.5
(+5−6=5)
46.9%
7.5 / 16
13.0%
−6
= = 0 1 0 1 0 = 1 = 1 0 0 0 1 =
–   Hiarcs 112790+15
−14
(−84)14 − 2
(+13−1=2)
87.5%
14.0 / 16
100.0%
+241
0 1 1 1 1 1 1 1 1 1 1 1 1 = = 1
–   Toga II 1.3.12772+9
−9
(−102)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
100.0%
−40
1 = = 0 0 0 = = 1 0 = 1 1 1 1 1
–   Fritz 92750+11
−11
(−124)12.5 − 3.5
(+10−1=5)
78.1%
12.5 / 16
100.0%
+73
= = 1 0 1 1 = 1 1 1 = 1 1 = 1 1
–   Naum 2.1 32-bit2738+14
−14
(−136)12.5 − 3.5
(+10−1=5)
78.1%
12.5 / 16
100.0%
+61
1 1 1 0 1 = 1 1 1 1 = = 1 = 1 =
–   Spike 1.2 Turin2731+6
−6
(−143)10.5 − 5.5
(+8−3=5)
65.6%
10.5 / 16
100.0%
−37
0 = 0 1 = 1 0 = 1 1 1 1 = 1 = 1
–   Glaurung 1.2.1 32-bit2657+10
−10
(−217)12 − 4
(+8−0=8)
75.0%
12.0 / 16
100.0%
−66
= = 1 1 1 = = 1 1 1 1 1 = = = =
–   Scorpio 1.812648+14
−14
(−226)52 − 12
(+45−5=14)
81.3%
52.0 / 64
100.0%
+10
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 0 1 = = 1 1 1 1 0 1 = = 1 1 1 1 1 = 1 1 1 = 0 1 0
–   Scorpio 1.912641+12
−13
(−233)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
−15
= 1 1 1 = = 1 1 = 1 0 1 1 1 0 1 1 0 1 = = 1 1 1 1 1 0 1 1 1 1 1
–   Scorpio 1.92641+13
−13
(−233)62.5 − 17.5
(+52−7=21)
78.1%
62.5 / 80
100.0%
−29
1 1 0 1 1 1 1 0 1 = 1 1 = = = 1 1 = 1 1 1 1 = 1 = = 0 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 = 0 1 1 = 1 1 1 1 1 1 = 1 1 1 1 = 1
–   Scorpio 1.822638+20
−20
(−236)26.5 − 5.5
(+22−1=9)
82.8%
26.5 / 32
100.0%
+1
0 1 1 1 = 1 = 1 1 1 = 1 = = 1 1 1 = 1 = 1 1 = 1 1 1 1 = 1 1 1 1
–   Scorpio 1.842633+20
−20
(−241)51 − 12
(+42−3=18)
81.0%
51.0 / 63
100.0%
−16
1 1 0 1 1 1 1 1 = = 1 = 1 = 1 = 0 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
–   Scorpio 1.82624+14
−15
(−250)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
−17
1 1 1 0 0 1 0 = 1 1 1 0 1 1 1 1 1 1 0 = = 1 1 1 1 1 1 1 1 = 1 1
–   WildCat 72606+10
−10
(−268)14 − 2
(+12−0=4)
87.5%
14.0 / 16
100.0%
+18
1 1 = 1 1 = 1 = 1 1 1 1 1 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on July 1, 2020