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 2.1 32-bit (2867+23
−22
)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
–   Toga II 1.4 beta5c 4CPU2887+18
−18
(+20)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
8.2%
−10
=
–   Rybka 2.2 32-bit2886+17
−17
(+19)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
7.9%
−49
0 = = 0 = 0 = 0 = = = 0 1 = 0 = 0 = = = 0 = 0 1 = = 1 = 0 =
–   Rybka 1.2 32-bit2871+18
−18
(+4)17 − 13
(+9−5=16)
56.7%
17.0 / 30
37.6%
+42
= = = 0 1 = 1 = = 1 = = 0 1 = = 1 = 1 = 1 0 = 1 = 1 = = 0 0
–   Naum 3.1 32-bit2860+16
−16
(−7)1 − 1
(+0−0=2)
50.0%
1.0 / 2
68.2%
−7
= =
–   Rybka 1.1 32-bit2854+18
−18
(−13)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
80.4%
−3
1 0 = 1 = = = 0 1 = 0 0 1 = = 0 = = 1 = = = = = = = = 1 = =
–   Deep Shredder 11 64-bit2844+15
−15
(−23)0 − 1
(+0−1=0)
0.0%
0.0 / 1
94.8%
−INF
0
–   Bright 0.3a 4CPU2833+18
−18
(−34)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
98.8%
−64
=
–   Toga II 1.4.1SE2827+12
−12
(−40)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.9%
+117
1 =
–   Hiarcs 122809+14
−14
(−58)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−215
= 0
–   Zappa Mexico II 32-bit2809+12
−12
(−58)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−215
0 =
–   Toga II 1.4 beta5c2804+24
−24
(−63)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
100.0%
−31
0 = = 0 1 1 0 1 1 =
–   Naum 2.2 64-bit2798+25
−25
(−69)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−99
=
–   Rybka 1.0 32-bit2785+15
−15
(−82)20 − 9
(+12−1=16)
69.0%
20.0 / 29
100.0%
+30
1 = 1 1 = = 1 = = = = 1 1 1 = = = = = 0 1 = 1 = 1 = 1 = 1
–   Hiarcs 112776+25
−25
(−91)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Shredder 102771+13
−13
(−96)25 − 13
(+16−4=18)
65.8%
25.0 / 38
100.0%
+2
= = 1 1 1 = 0 = 0 = 1 = 1 = = = = = 1 = = 1 = = 1 = 1 0 1 1 1 1 1 = 1 1 = 0
–   Glaurung 2.1 32-bit2768+18
−18
(−99)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+58
= 1
–   Loop 12.322765+23
−23
(−102)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Loop 10.32f2765+19
−19
(−102)21.5 − 8.5
(+15−2=13)
71.7%
21.5 / 30
100.0%
+33
1 = = = = 0 1 = = 1 = 1 1 0 1 1 1 1 1 1 1 1 1 = = = = = 1 =
–   Hiarcs X54 64-bit2760+34
−35
(−107)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Toga II 1.2.1a 32-bit2760+12
−12
(−107)14 − 4
(+12−2=4)
77.8%
14.0 / 18
100.0%
+99
1 1 = = 1 = 1 1 0 1 1 0 1 1 1 = 1 1
–   Hiarcs X50 Hypermodern2757+30
−30
(−110)4.5 − 0.5
(+4−0=1)
90.0%
4.5 / 5
100.0%
+219
1 1 = 1 1
–   Spike 1.2 Turin2746+7
−7
(−121)24 − 14
(+17−7=14)
63.2%
24.0 / 38
100.0%
−35
1 1 = 1 = 1 = = = 0 = = 1 0 1 = 0 1 0 1 = 0 1 = = 1 1 1 = 1 1 0 = 1 1 = 1 0
–   Junior 102744+13
−13
(−123)27 − 11
(+22−6=10)
71.1%
27.0 / 38
100.0%
+25
1 0 = 1 1 1 1 = 0 1 1 1 1 = 1 0 1 1 = 1 1 = 1 1 0 0 = = 1 = 1 1 = = 1 1 1 0
–   Hiarcs X502744+19
−19
(−123)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
100.0%
−91
= = 0 1 = = = 1
–   Naum 2.1 32-bit2743+20
−20
(−124)5.5 − 2.5
(+3−0=5)
68.8%
5.5 / 8
100.0%
−22
= = = = = 1 1 1
–   Fruit 2.2.12742+14
−14
(−125)23.5 − 11.5
(+15−3=17)
67.1%
23.5 / 35
100.0%
−27
1 0 = 1 = 1 1 = 1 = 1 = 1 = = = = = 1 1 1 0 = 1 = 1 = = 0 = 1 = 1 1 =
–   Fritz 92742+14
−14
(−125)25.5 − 11.5
(+17−3=17)
68.9%
25.5 / 37
100.0%
−8
1 1 1 1 1 1 1 1 = 1 = = 1 = 1 = 0 = = = = = = = = 1 1 1 = 0 1 = 1 1 = = 0
–   Hiarcs 102740+16
−16
(−127)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Toga II 1.2 32-bit2735+25
−25
(−132)6.5 − 2.5
(+4−0=5)
72.2%
6.5 / 9
100.0%
−1
1 = = = 1 = 1 = 1
–   Scorpio 2.0 32-bit 4CPU2733+24
−24
(−134)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Hiarcs X54 32-bit2731+32
−32
(−136)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−166
=
–   Thinker 5.1d Passive2724+28
−28
(−143)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
0
= 1
–   SmarThink 1.00 64-bit2707+36
−36
(−160)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Ktulu 82704+9
−9
(−163)63 − 21
(+48−6=30)
75.0%
63.0 / 84
100.0%
+3
1 = 1 1 0 0 1 1 1 1 = = = = = 1 1 1 1 1 = = = = 1 1 1 1 = 1 1 = 1 = 1 = 0 1 0 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
–   Fritz 8 Bilbao2700+28
−28
(−167)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+115
= 1 1 1
–   Naum 2.0 32-bit2697+15
−15
(−170)3 − 2
(+2−1=2)
60.0%
3.0 / 5
100.0%
−93
= = 0 1 1
–   Spike 1.12689+15
−15
(−178)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−147
=
–   Zap!Chess Paderborn 32-bit2681+21
−21
(−186)29 − 5
(+25−1=8)
85.3%
29.0 / 34
100.0%
+85
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
–   Junior 92676+17
−17
(−191)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−191
0 1
–   Zap!Chess Paderborn SE 32-bit2669+34
−34
(−198)1 − 2
(+1−2=0)
33.3%
1.0 / 3
100.0%
−331
0 1 0
–   Movei 00.8.438 (10 10 10)2667+12
−12
(−200)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−230
=
–   Scorpio 1.842667+32
−32
(−200)11.5 − 2.5
(+10−1=3)
82.1%
11.5 / 14
100.0%
+44
1 = 1 0 1 1 = 1 1 1 = 1 1 1
–   SmarThink 1.00 32-bit2664+15
−15
(−203)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−52
1 = = 1
–   CM9000 Enforcer2661+21
−21
(−206)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+83
1 = 1 1
–   Zap!Chess Reykjavik 32-bit2658+34
−35
(−209)22 − 7
(+16−1=12)
75.9%
22.0 / 29
100.0%
−42
= 1 1 1 = = = 1 = = 1 = = 1 1 1 1 = = 1 1 1 = = 1 1 1 0 1
–   Glaurung 1.2.1 32-bit2655+16
−16
(−212)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
−11
= 1 1 = 1
–   CM10th Paralyse2651+15
−15
(−216)6.5 − 4.5
(+4−2=5)
59.1%
6.5 / 11
100.0%
−164
= 0 1 1 = = 1 = 0 1 =
–   CM10th Lazarus2650+24
−24
(−217)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   CM10th Magic II2646+16
−16
(−221)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−221
= =
–   CM10th Ogre2646+24
−24
(−221)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−138
1 0 = 1
–   Scorpio 1.82640+20
−20
(−227)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Slow Chess Blitz WV2.12638+11
−12
(−229)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−78
1 = 1 =
–   CM10th Pestilence2637+25
−25
(−230)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
−2
= 1 1
–   Chess Tiger 152635+17
−17
(−232)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−201
=
–   Chess Tiger 15 Gambit2633+33
−33
(−234)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   CM10th Warrior2633+25
−25
(−234)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Gandalf 62632+12
−12
(−235)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Ruffian 2.1.02621+13
−13
(−246)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−328
= 0 1 0
–   Naum 1.91 32-bit2604+15
−15
(−263)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Delfi 5.02598+20
−20
(−269)6.5 − 0.5
(+6−0=1)
92.9%
6.5 / 7
100.0%
+103
1 1 = 1 1 1 1
–   WildCat 62593+21
−21
(−274)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+22
1 1 1 =
–   Pseudo 0.7c2590+13
−13
(−277)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−134
1 =
–   ProDeo 1.12589+31
−31
(−278)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   SOS 5.12561+14
−14
(−306)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−163
1 =
–   Crafty 20.14 32-bit2510+28
−28
(−357)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−74
1 1 = 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 2.1 32-bit
played with current
participants of this list
Represented by
1-2-CPU    17Rybka 4.1 64-bit
32-bit    19Rybka 4.1 32-bit
32-bit 1-2-CPU    19Rybka 4.1 32-bit
32-bit single-CPU    19Rybka 4.1 32-bit
All    17Rybka 4 64-bit 4CPU
Single-CPU    17Rybka 4.1 64-bit

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