CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Rybka 2.2 32-bit (2886+17
−17
)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
–   Texel 1.03 64-bit2925+25
−24
(+39)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
0.5%
−52
= = = 0 0 = 1 = 0 0
–   Rybka 2.3.2a 32-bit2913+9
−9
(+27)9 − 11
(+2−4=14)
45.0%
9.0 / 20
0.4%
+1
= = = = = = 1 0 = = = = 1 = 0 0 = = = 0
–   Amoeba 2.6 64-bit2910+27
−27
(+24)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
7.1%
+59
= = = = = 1 0 1
–   Rybka 1.2 32-bit2871+18
−18
(−15)16.5 − 13.5
(+6−3=21)
55.0%
16.5 / 30
89.1%
+11
= 0 = = 1 = 1 1 = = = 1 1 0 = = = = = 1 = = = = = = = = 0 =
–   Rybka 2.1 32-bit2867+23
−22
(−19)18.5 − 11.5
(+10−3=17)
61.7%
18.5 / 30
92.1%
+49
1 = = 1 = 1 = 1 = = = 1 0 = 1 = 1 = = = 1 = 1 0 = = 0 = 1 =
–   Rybka 1.1 32-bit2854+18
−18
(−32)18.5 − 11.5
(+9−2=19)
61.7%
18.5 / 30
99.5%
+33
1 = 1 = = = = = 1 0 = 1 = = = 1 1 = = = 0 = = 1 1 = = = 1 =
–   Thinker 5.4a Inert 32-bit2835+21
−21
(−51)40.5 − 25.5
(+22−7=37)
61.4%
40.5 / 66
100.0%
+14
1 = 0 = 1 = = 1 = 1 1 = = = = 1 = = = = 0 1 = 1 = = = = 1 1 = 0 = = = 1 1 1 = = = = = 1 = = 1 1 0 1 = = 1 = 1 0 = = = = = 1 0 1 0 1
–   Hiarcs 11.12790+15
−15
(−96)22 − 12
(+14−4=16)
64.7%
22.0 / 34
100.0%
−7
= = 1 = = 1 1 = 1 1 1 0 = = = 1 = 1 = 1 1 1 1 1 = = 0 1 0 0 = = = =
–   Zap!Chess Zanzibar 32-bit2781+19
−19
(−105)12 − 8
(+8−4=8)
60.0%
12.0 / 20
100.0%
−37
0 = = 1 = 1 1 1 1 1 0 1 = 1 = 0 = = = 0
–   Fritz 102778+15
−15
(−108)17 − 13
(+12−8=10)
56.7%
17.0 / 30
100.0%
−64
0 = = 1 = = = 0 0 1 = 1 1 1 0 1 = = 0 1 1 0 = 0 1 1 0 1 = 1
–   Loop 13.5 32-bit2777+27
−27
(−109)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+104
1 1 0 = = 1 = 1 1 1 1 1 = = = = 1 1 1 1 1 1 1 1 0 1 = 1 1 1 = 1
–   Hiarcs 112776+25
−25
(−110)23.5 − 12.5
(+17−6=13)
65.3%
23.5 / 36
100.0%
−9
1 = = 1 1 1 = 0 1 = 1 = = = 1 0 1 = 1 0 1 = = = 1 0 1 1 1 1 1 0 0 = 1 =
–   Loop 13.6 (Loop 2007) 32-bit2773+10
−10
(−113)32 − 10
(+25−3=14)
76.2%
32.0 / 42
100.0%
+67
= = = 1 1 1 = 1 1 1 = 1 = = 0 1 1 1 1 1 1 1 1 0 = 1 = 1 = 1 0 1 = 1 1 = 1 = 1 1 = 1
–   Shredder 102771+13
−13
(−115)24.5 − 13.5
(+19−8=11)
64.5%
24.5 / 38
100.0%
−15
= 1 1 = 0 0 1 = = 0 = = = = 1 1 0 1 1 1 = 1 0 1 1 1 1 = 1 1 0 0 0 1 1 1 = 1
–   Loop 10.32f2765+19
−19
(−121)35.5 − 11.5
(+26−2=19)
75.5%
35.5 / 47
100.0%
+42
1 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 = = 1 1 =
–   Loop 12.322765+23
−23
(−121)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+29
= 1 1 =
–   Toga II 1.2.1a 32-bit2760+12
−12
(−126)29 − 13
(+19−3=20)
69.0%
29.0 / 42
100.0%
−10
1 1 = = = = = 1 = = = 1 1 0 = 0 1 1 = 1 1 1 = = = 1 1 1 = = 1 1 = 1 = 1 = = = 1 1 0
–   Hiarcs X50 Hypermodern2757+30
−30
(−129)14.5 − 7.5
(+10−3=9)
65.9%
14.5 / 22
100.0%
−29
= 1 = 1 = 1 1 = 1 = = = 0 0 1 0 1 1 = 1 1 =
–   Hiarcs X54 Hypermodern 32-bit2756+29
−29
(−130)19 − 9
(+14−4=10)
67.9%
19.0 / 28
100.0%
−14
0 = 0 = = 1 1 1 = = 1 1 1 = 0 0 1 = = 1 = 1 1 1 1 1 1 =
–   Strelka 1.0b 32-bit2750+28
−28
(−136)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+20
= 1
–   Spike 1.2 Turin2746+7
−7
(−140)34.5 − 21.5
(+24−11=21)
61.6%
34.5 / 56
100.0%
−62
1 = 0 = 1 1 = 1 = = 1 1 1 0 1 1 = 0 1 = 0 = = 0 1 = 1 1 1 0 0 1 = 1 = = 0 = 1 = 1 = 1 = 0 0 1 = = 1 1 0 1 1 = =
–   Junior 102744+13
−13
(−142)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−17
1 1 1 1 1 1 1 1 1 0 1 = = = 1 0 1 = 0 = 1 0 1 = 1 = = = = = 1 =
–   Hiarcs X502744+19
−19
(−142)32 − 13
(+26−7=12)
71.1%
32.0 / 45
100.0%
+8
1 1 = = 0 1 1 1 1 1 1 1 1 = 1 1 1 1 1 0 1 = 1 = 1 0 0 = 1 0 1 1 1 1 1 0 = = = = 1 = = 0 1
–   Naum 2.1 32-bit2743+20
−20
(−143)34.5 − 15.5
(+25−6=19)
69.0%
34.5 / 50
100.0%
−18
1 1 0 1 0 1 = = = 1 1 1 = 1 = 1 = 1 = 1 = 1 0 = = = = = 0 1 0 = 1 = = 0 1 = 1 = 1 1 1 1 1 1 1 = 1 1
–   Fritz 92742+14
−14
(−144)33 − 14
(+26−7=14)
70.2%
33.0 / 47
100.0%
−6
= 1 1 1 = 1 1 1 0 0 0 1 1 1 1 1 = 1 1 = = = 1 = 0 1 = 1 = 1 1 1 1 = = 1 0 1 = 0 = 1 = 1 1 0 1
–   Fruit 2.2.12742+14
−14
(−144)28 − 6
(+24−2=8)
82.4%
28.0 / 34
100.0%
+101
1 = 1 1 1 1 1 1 = 1 1 0 1 = 1 1 1 1 = 1 1 1 = = 0 1 1 1 1 1 = 1 = 1
–   Hiarcs 102740+16
−16
(−146)19.5 − 10.5
(+12−3=15)
65.0%
19.5 / 30
100.0%
−57
= = 1 1 1 = 1 1 = = = 1 = 1 1 0 = 1 0 0 = = = = = = 1 = 1 1
–   Toga II 1.2 32-bit2735+25
−25
(−151)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+132
1 = 1 1
–   Hiarcs X54 32-bit2731+32
−32
(−155)8 − 4
(+6−2=4)
66.7%
8.0 / 12
100.0%
−37
= 1 1 = 1 = 1 1 1 = 0 0
–   Junior 10.12721+25
−25
(−165)22.5 − 11.5
(+19−8=7)
66.2%
22.5 / 34
100.0%
−44
0 0 1 1 0 1 = 1 0 1 1 1 1 1 1 1 = 1 = 1 = 1 0 1 1 = = 1 1 = 0 1 0 0
–   Hiarcs 10 Hypermodern2717+20
−20
(−169)14.5 − 5.5
(+11−2=7)
72.5%
14.5 / 20
100.0%
−16
= 1 1 1 = 1 1 1 = 1 1 = 0 1 1 0 = 1 = =
–   Ktulu 82704+9
−9
(−182)29 − 7
(+24−2=10)
80.6%
29.0 / 36
100.0%
+39
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
–   Chess Tiger 2007.12703+10
−10
(−183)13.5 − 8.5
(+9−4=9)
61.4%
13.5 / 22
100.0%
−110
= = 1 1 0 1 = = = 1 = 0 1 = = = 0 1 1 1 0 1
–   Fritz 8 Bilbao2700+28
−28
(−186)20 − 10
(+16−6=8)
66.7%
20.0 / 30
100.0%
−68
1 1 1 1 = = = 1 0 1 0 1 1 1 0 1 1 1 0 = 0 1 0 1 = 1 = 1 = =
–   Naum 2.0 32-bit2697+15
−15
(−189)25 − 9
(+18−2=14)
73.5%
25.0 / 34
100.0%
−38
= 1 = 1 = = = = 1 1 1 = 1 1 = = = 1 1 0 1 1 = 0 1 1 1 = 1 1 = 1 1 =
–   Glaurung 2 epsilon/5 32-bit2696+27
−27
(−190)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−47
= 1
–   Chess Tiger 20072681+12
−12
(−205)16 − 2
(+14−0=4)
88.9%
16.0 / 18
100.0%
+106
1 = 1 = 1 = 1 1 1 = 1 1 1 1 1 1 1 1
–   Zap!Chess Paderborn SE 32-bit2669+34
−34
(−217)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−74
1 =
–   Glaurung 1.2.1 Avalanche 32-bit2668+32
−32
(−218)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−218
= =
–   Scorpio 1.842667+32
−32
(−219)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   SmarThink 1.00 32-bit2664+15
−15
(−222)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−222
1 0
–   Glaurung 1.2.1 Crusader 32-bit2663+32
−32
(−223)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+65
1 1 1 = 1 1 1 =
–   CM9000 Enforcer2661+21
−21
(−225)9.5 − 4.5
(+7−2=5)
67.9%
9.5 / 14
100.0%
−106
= 1 0 1 1 = 1 1 = 1 = 0 1 =
–   Scorpio 1.912661+14
−14
(−225)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−82
= 1
–   CM10th Xperience2660+13
−13
(−226)9.5 − 2.5
(+7−0=5)
79.2%
9.5 / 12
100.0%
−33
= 1 1 1 1 = = 1 1 1 = =
–   Glaurung 1.2.1 32-bit2655+16
−16
(−231)27.5 − 5.5
(+23−1=9)
83.3%
27.5 / 33
100.0%
+16
1 1 1 = 1 = = = 1 1 1 = 1 1 1 = 1 = 1 1 = 1 1 1 1 1 1 = 0 1 1 1 1
–   CM10th Paralyse2651+15
−15
(−235)37.5 − 4.5
(+34−1=7)
89.3%
37.5 / 42
100.0%
+97
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
–   Scorpio 1.82640+20
−20
(−246)8.5 − 1.5
(+7−0=3)
85.0%
8.5 / 10
100.0%
+7
1 1 = 1 1 = 1 = 1 1
–   Slow Chess Blitz WV2.12638+11
−12
(−248)8.5 − 1.5
(+7−0=3)
85.0%
8.5 / 10
100.0%
+8
1 1 = 1 = 1 = 1 1 1
–   CM10th Pestilence2637+25
−25
(−249)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
−30
1 = 1
–   WildCat 72624+15
−15
(−262)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−119
= 1
–   ProDeo 1.22619+18
−18
(−267)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Pharaon 3.5.12613+13
−13
(−273)9.5 − 0.5
(+9−0=1)
95.0%
9.5 / 10
100.0%
+175
= 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    52Rybka 4.1 64-bit
32-bit    86Rybka 4.1 32-bit
32-bit 1-2-CPU    86Rybka 4.1 32-bit
32-bit single-CPU    86Rybka 4.1 32-bit
All    44Rybka 4 64-bit 4CPU
Free    56nothing
Free 1-2-CPU    30nothing
Free 32-bit    118Rybka 2.3.2a 32-bit
Free 32-bit 1-2-CPU    118Rybka 2.3.2a 32-bit
Free 32-bit single-CPU    118Rybka 2.3.2a 32-bit
Free single-CPU    30nothing
Single-CPU    52Rybka 4.1 64-bit

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