CCRL Blitz
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 2'387'265 games
played by 2'826 programs

White wins: 919'531 (38.5%)
Black wins: 739'461 (31.0%)
Draws: 728'273 (30.5%)
White score: 53.8%

Engine Details

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Rybka 1.1 32-bit (2853+21
−21
)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 1.2 32-bit2863+15
−15
(+10)37.5 − 50.5
(+13−26=49)
42.6%
37.5 / 88
20.2%
−33
–   Rybka 2.1 32-bit2856+12
−12
(+3)24 − 26
(+10−12=28)
48.0%
24.0 / 50
39.1%
−6
–   Rybka 1.0 32-bit2791+13
−13
(−62)42.5 − 19.5
(+28−5=29)
68.5%
42.5 / 62
100.0%
+50
–   Strelka 1.8 32-bit2782+13
−13
(−71)43.5 − 20.5
(+30−7=27)
68.0%
43.5 / 64
100.0%
+42
–   Toga II 1.3.12772+10
−10
(−81)31.5 − 18.5
(+20−7=23)
63.0%
31.5 / 50
100.0%
+1
–   Toga II 1.2.1a 32-bit2762+9
−9
(−91)29.5 − 20.5
(+17−8=25)
59.0%
29.5 / 50
100.0%
−38
–   Hiarcs X502755+16
−16
(−98)13.5 − 6.5
(+11−4=5)
67.5%
13.5 / 20
100.0%
+27
–   Fruit 2.2.12750+18
−18
(−103)15 − 12
(+11−8=8)
55.6%
15.0 / 27
100.0%
−60
–   Fritz 92750+11
−11
(−103)13.5 − 6.5
(+12−5=3)
67.5%
13.5 / 20
100.0%
+28
–   Strelka 1.0b 32-bit2738+17
−17
(−115)44 − 20
(+32−8=24)
68.8%
44.0 / 64
100.0%
+7
–   Hiarcs 102735+20
−20
(−118)22.5 − 7.5
(+19−4=7)
75.0%
22.5 / 30
100.0%
+63
–   Spike 1.2 Turin2731+6
−6
(−122)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
+19
–   Spike 1.12678+24
−24
(−175)14 − 6
(+11−3=6)
70.0%
14.0 / 20
100.0%
−35
–   Glaurung 1.2.1 32-bit2657+10
−9
(−196)23.5 − 5.5
(+21−3=5)
81.0%
23.5 / 29
100.0%
+49
–   CM10th Xperience2638+14
−14
(−215)15 − 5
(+11−1=8)
75.0%
15.0 / 20
100.0%
−52
–   Scorpio 1.82623+15
−15
(−230)25 − 7
(+20−2=10)
78.1%
25.0 / 32
100.0%
−35
–   Slow Chess Blitz WV2.12614+6
−6
(−239)15 − 5
(+11−1=8)
75.0%
15.0 / 20
100.0%
−78
–   Glaurung 1.0.2 32-bit2612+29
−29
(−241)16.5 − 3.5
(+16−3=1)
82.5%
16.5 / 20
100.0%
+55
–   Naum 1.91 32-bit2606+19
−19
(−247)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+21
–   Pharaon 3.5.12602+7
−7
(−251)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−281
–   ProDeo 1.12587+11
−11
(−266)16 − 4
(+13−1=6)
80.0%
16.0 / 20
100.0%
−50
–   Delfi 5.02576+15
−15
(−277)18 − 2
(+16−0=4)
90.0%
18.0 / 20
100.0%
+50
–   Anaconda 2.0.12545+10
−10
(−308)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Nejmet 3.072423+7
−8
(−430)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−399

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Created in 2005-2013 by CCRL team
Last games added on October 17, 2020