CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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Rybka 2.2 32-bit (2893+14
−14
)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
–   Rybka 2.3 32-bit2874+32
−31
(−19)8.5 − 7.5
(+6−5=5)
53.1%
8.5 / 16
86.9%
+6
= = 1 0 1 0 1 = 0 = 0 1 1 1 0 =
–   Doch 1.2 64-bit2865+19
−19
(−28)28 − 22
(+17−11=22)
56.0%
28.0 / 50
99.1%
+6
= 0 = 1 1 0 = 1 = = 1 0 1 0 1 0 = = = = = 0 = = = 0 = = 1 1 = = 1 = 0 1 0 1 0 = 1 1 = 1 = 0 = 1 1 1
–   Rybka 1.2 32-bit2864+15
−14
(−29)27 − 27
(+13−13=28)
50.0%
27.0 / 54
99.8%
−29
1 = 0 0 0 1 1 = = 1 1 = 1 = 0 = = = 0 = = 0 = = 1 0 = = 1 0 0 0 1 0 = = = = 0 = 1 = = = 0 = = 1 1 = = = = 1
–   Naum 3.1 64-bit2862+14
−14
(−31)30 − 20
(+16−6=28)
60.0%
30.0 / 50
99.9%
+28
= 0 = = = = 0 = 1 = = 1 1 = 1 1 1 0 1 = 1 = = = 1 = = = 0 = 1 0 1 1 1 = 0 = = = = 1 = 1 1 = = = = =
–   Rybka 2.1 32-bit2857+12
−12
(−36)40.5 − 28.5
(+23−11=35)
58.7%
40.5 / 69
100.0%
+15
= = = = 0 = 1 = = = = = 1 = 0 0 0 0 1 = = = 0 1 = 1 0 = 0 = 1 1 = 0 1 1 = 1 = 1 1 = = 1 = = 1 1 = 1 = = 1 = 0 0 = 1 = 1 = = 1 = = = 1 1 1
–   Shredder 112847+12
−12
(−46)29.5 − 20.5
(+19−10=21)
59.0%
29.5 / 50
100.0%
+11
1 1 1 = 1 1 1 1 = 0 = = = 1 0 = = 0 1 = 1 0 1 = 0 = 0 = 1 = = = 0 1 1 0 = 0 = 1 = 1 = = 0 1 1 = 1 =
–   Spark 0.3 64-bit2843+10
−10
(−50)27.5 − 22.5
(+17−12=21)
55.0%
27.5 / 50
100.0%
−20
0 0 = 1 = = = = = 0 0 1 1 1 = 1 1 1 = = 0 = 0 1 1 1 = = 1 = = 1 = 0 = 1 0 = = 0 1 0 = 1 = 0 0 1 1 =
–   Doch 1.2 32-bit2828+33
−33
(−65)29.5 − 19.5
(+19−9=21)
60.2%
29.5 / 49
100.0%
0
1 1 0 1 1 = 0 = 0 = = = 1 = 1 1 = 1 1 1 0 = = = 0 = = = 1 = 1 = 1 1 0 = = 0 1 1 1 0 = 1 = = 1 0 =
–   Hiarcs 11.12803+11
−11
(−90)15 − 17
(+10−12=10)
46.9%
15.0 / 32
100.0%
−109
1 1 = 1 = 1 = = 0 1 = 0 1 0 0 = 0 1 0 1 0 = 0 1 = = 0 1 0 0 = 0
–   Hiarcs 112790+15
−15
(−103)36.5 − 17.5
(+25−6=23)
67.6%
36.5 / 54
100.0%
+6
1 = 1 1 1 = = = = = 0 = 1 0 = = 0 = 0 1 1 = 1 1 1 1 1 = 1 1 = 1 = = 1 1 1 = 0 1 1 0 1 1 1 = = = = = 1 = = 1
–   Loop 13.6 (Loop 2007) 32-bit2775+10
−10
(−118)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
−27
= 1 = = 0 = 1 1 = 1
–   Toga II 1.3.12772+10
−9
(−121)52.5 − 19.5
(+41−8=23)
72.9%
52.5 / 72
100.0%
+36
= 1 = = 1 0 1 1 = 0 1 1 1 = 1 1 = 1 1 0 1 = 1 = 0 1 = = 1 1 = 1 = 0 1 1 0 1 0 1 1 = 1 1 = = 1 1 1 = 0 1 = = 1 1 1 1 1 1 1 1 = 1 = = 1 1 1 = = 1
–   Loop 13.5 32-bit2762+18
−18
(−131)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−2
= 1 1 1 0 1 = 0 1 = = 1 1 1 = = 0 0 = 1 0 1 = 1 1 1 1 1 1 = 1 =
–   Toga II 1.2.1a 32-bit2762+9
−9
(−131)41 − 14
(+31−4=20)
74.5%
41.0 / 55
100.0%
+33
= = 1 = = 1 1 1 1 1 1 = 0 1 1 1 = = = 1 = 1 1 1 1 1 = 1 1 = 0 1 = 0 1 = = 1 = 1 = 1 1 1 = = 1 1 0 1 1 = 1 1 =
–   Hiarcs X502756+16
−16
(−137)22 − 8
(+19−5=6)
73.3%
22.0 / 30
100.0%
+42
1 1 1 0 1 1 = 1 1 0 1 1 1 1 = 1 0 1 = 1 0 = = 0 1 1 = 1 1 1
–   Shredder 102754+22
−22
(−139)19.5 − 10.5
(+15−6=9)
65.0%
19.5 / 30
100.0%
−36
0 1 1 = = = 1 1 0 = 1 = 1 0 1 1 1 0 = 1 1 1 = = 1 1 0 1 = 0
–   Fritz 92750+11
−11
(−143)55.5 − 24.5
(+42−11=27)
69.4%
55.5 / 80
100.0%
−11
1 = 1 0 = 1 1 = 0 1 = = 1 = 1 1 = = = 0 1 0 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 = 1 1 1 = 0 = 1 = 0 = 1 0 1 1 = = 1 1 1 0 =
–   Hiarcs X54 Hypermodern 32-bit2749+21
−21
(−144)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−26
0 1 = 1 = 1 1 = = 1 = 1 0 1 0 = = 1 1 1 1 1 1 1 1 1 = = = = 0 =
–   Hiarcs X54 32-bit2744+16
−16
(−149)43 − 17
(+36−10=14)
71.7%
43.0 / 60
100.0%
+8
1 = 1 0 1 1 1 = 1 1 = 1 1 = 1 1 0 0 1 1 1 1 1 1 0 1 1 1 0 1 1 = = = = 0 = 1 1 1 = 0 0 1 0 1 1 1 1 = 1 = 1 = 0 1 1 1 = 1
–   Hiarcs X50 Hypermodern2743+27
−27
(−150)22.5 − 11.5
(+18−7=9)
66.2%
22.5 / 34
100.0%
−36
1 0 0 1 1 1 1 0 = 1 0 = 1 0 0 = 1 0 1 1 1 = = = 1 1 1 = 1 1 1 = = 1
–   Junior 102738+22
−22
(−155)20 − 10
(+17−7=6)
66.7%
20.0 / 30
100.0%
−32
= = = 1 1 1 1 1 0 1 0 1 0 1 1 1 = = 1 1 0 = 0 1 1 0 1 1 0 1
–   Naum 2.1 32-bit2738+14
−14
(−155)32 − 14
(+25−7=14)
69.6%
32.0 / 46
100.0%
−19
= 1 = 1 = 1 0 = 1 1 = 1 1 0 1 1 1 1 = 1 1 1 0 0 1 = = 1 1 0 = = 1 = 1 = 1 1 1 0 1 = = 0 1 1
–   Hiarcs 102736+20
−19
(−157)24 − 6
(+21−3=6)
80.0%
24.0 / 30
100.0%
+74
= = 1 1 = 1 1 1 1 0 1 1 1 1 1 1 1 = 0 0 1 = 1 1 1 1 = 1 1 1
–   Spike 1.2 Turin2731+6
−6
(−162)57.5 − 23.5
(+43−9=29)
71.0%
57.5 / 81
100.0%
−22
= 0 = = 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 = 0 = 0 = = 1 = = 1 1 1 1 1 0 = 1 0 = 1 1 1 0 0 = 1 1 1 1 0 1 = 1 =
–   Chess Tiger 2007.12713+8
−8
(−180)14 − 7
(+11−4=6)
66.7%
14.0 / 21
100.0%
−62
1 1 = 1 1 = = 0 1 1 0 1 1 = 0 1 1 0 = = 1
–   Hiarcs 10 Hypermodern2701+27
−27
(−192)22 − 12
(+18−8=8)
64.7%
22.0 / 34
100.0%
−86
1 = 1 = 1 0 0 0 0 1 = 1 0 = 0 1 1 1 = = 1 1 1 = 1 1 1 = 1 1 0 1 0 1
–   Chess Tiger 20072700+11
−11
(−193)47.5 − 10.5
(+42−5=11)
81.9%
47.5 / 58
100.0%
+56
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 = 1 = 1 1 = 1 0 1 = 1 1 = 1 1 0 1 1 1 = = 0 = 1
–   Naum 2.0 32-bit2700+8
−8
(−193)50 − 14
(+42−6=16)
78.1%
50.0 / 64
100.0%
+13
1 1 1 = 1 = 1 0 1 1 = 1 1 1 = 1 1 1 = = = = 1 1 1 1 1 = 0 1 1 1 1 1 1 1 1 0 0 1 = = = 0 1 1 = 1 1 1 1 1 1 1 1 1 = 0 = 1 1 1 1 =
–   Booot 4.15.12668+14
−14
(−225)17.5 − 2.5
(+15−0=5)
87.5%
17.5 / 20
100.0%
+61
= 1 1 = 1 1 1 1 1 = 1 1 1 = = 1 1 1 1 1
–   Glaurung 1.2.1 32-bit2657+10
−10
(−236)61.5 − 19.5
(+52−10=19)
75.9%
61.5 / 81
100.0%
−46
1 = = 1 1 1 1 1 = 1 0 = 0 = 1 1 1 1 1 = 0 = 1 = 1 1 = = 0 1 1 1 1 1 0 1 1 1 = 1 0 1 1 = 1 1 1 0 = 1 1 = 1 0 = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 0 1 = 0 1 1 = 1 1 1
–   CM10th Paralyse2655+15
−15
(−238)26 − 6
(+21−1=10)
81.3%
26.0 / 32
100.0%
−20
1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 = = 1 1 0 1 1 = 1 = = 1 = = 1 =
–   Scorpio 1.812648+14
−14
(−245)63.5 − 10.5
(+56−3=15)
85.8%
63.5 / 74
100.0%
+39
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 0 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
–   Scorpio 1.92641+13
−13
(−252)90 − 22
(+76−8=28)
80.4%
90.0 / 112
100.0%
−27
= 0 = 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 1 1 1 1 = 1 1 1 = = 1 1 1 = 1 1 1 1 1 0 1 1 1 1 = 1 0 1 0 1 = 1 0 1 = = = 1 = = 0 1 1 1 1 = 1 = 1 1 0 1 = 1 = 1 1 = 1
–   Scorpio 1.912641+12
−13
(−252)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
−12
= 1 1 1 1 1 1 = 1 1 1 1 0 1 1 0 1 0 1 1 1 1 0 = 1 1 = 1 = 1 1 1
–   CM10th Xperience2639+14
−14
(−254)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+12
1 1 = 1 1 = 1 1 1 1 1 1 1 1 = 0 = 1 1 1 = 1 = 1 1 1 1 1 1 =
–   Scorpio 1.822638+20
−20
(−255)29.5 − 2.5
(+28−1=3)
92.2%
29.5 / 32
100.0%
+150
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
–   Deuterium 11.01.28.1592636+13
−13
(−257)19.5 − 1.5
(+18−0=3)
92.9%
19.5 / 21
100.0%
+133
1 1 = 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1
–   Scorpio 1.842633+20
−20
(−260)57.5 − 6.5
(+52−1=11)
89.8%
57.5 / 64
100.0%
+77
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 = 1 1 = = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 = 1 0 1
–   Scorpio 1.82624+14
−15
(−269)26 − 4
(+23−1=6)
86.7%
26.0 / 30
100.0%
+24
1 = 1 1 = 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 = = 1 1 0 1
–   Slow Chess Blitz WV2.12615+6
−6
(−278)53.5 − 6.5
(+49−2=9)
89.2%
53.5 / 60
100.0%
+59
= 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 = 0 1 1 1 = 1 1 1 1 1 1 1 1 1 1
–   ProDeo 1.22608+10
−11
(−285)23.5 − 7.5
(+19−3=9)
75.8%
23.5 / 31
100.0%
−102
= = 0 1 = = 1 1 0 1 = 1 1 1 1 1 1 = 0 1 1 1 1 = 1 1 = 1 1 1 =
–   Naum 1.91 32-bit2606+19
−20
(−287)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+66
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
–   WildCat 72606+10
−10
(−287)14 − 2
(+12−0=4)
87.5%
14.0 / 16
100.0%
+1
1 1 1 1 1 = = 1 1 1 1 1 = 1 = 1
–   Pharaon 3.5.12603+7
−7
(−290)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
−82
1 = 1 1 = 1 1 = = 1 1 1 = 1 1 1 1 = = = 1 = 1 0 = 1 1 1 1 1
–   Delfi 5.02576+15
−15
(−317)26 − 4
(+24−2=4)
86.7%
26.0 / 30
100.0%
0
1 1 1 = 1 1 = 0 1 1 1 1 1 1 1 1 1 0 1 1 = 1 1 1 1 1 1 1 = 1
–   SOS 5.12576+8
−7
(−317)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
−48
0 1 = 1 1 = = 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 = = 1 = 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 2.2 32-bit
played with current
participants of this list
Represented by
1-2-CPU    141Rybka 4.1 64-bit
32-bit    384Rybka 2.3.2a 32-bit
32-bit 1-2-CPU    384Rybka 2.3.2a 32-bit
32-bit single-CPU    384Rybka 2.3.2a 32-bit
All    141Rybka 4.1 64-bit 4CPU
Free    120Rybka 2.3.2a 64-bit
Free 1-2-CPU    130Rybka 2.3.2a 64-bit
Free 32-bit    377Rybka 1.0 32-bit
Free 32-bit 1-2-CPU    377Rybka 1.0 32-bit
Free 32-bit single-CPU    377Rybka 1.0 32-bit
Free single-CPU    130Rybka 2.3.2a 64-bit
Single-CPU    141Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017