CCRL 40/40
Downloads and Statistics
May 25, 2019
Testing summary:
Total: 1'048'225 games
played by 2'458 programs
143565 CPU days (X2 4600+)

White wins: 364'320 (34.8%)
Black wins: 271'251 (25.9%)
Draws: 412'654 (39.4%)
White score: 54.4%

Engine Details

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Rybka 2.1 32-bit (2863+22
−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
–   Pirarucu 2.7.4 64-bit2949+17
−17
(+86)4 − 16
(+1−13=6)
20.0%
4.0 / 20
0.0%
−126
1 0 = 0 0 = 0 0 = 0 0 = = 0 0 = 0 0 0 0
–   Rybka 2.2 32-bit2885+17
−17
(+22)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
6.1%
−46
0 = = 0 = 0 = 0 = = = 0 1 = 0 = 0 = = = 0 = 0 1 = = 1 = 0 =
–   Toga II 1.4 beta5c 4CPU2885+18
−18
(+22)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
7.0%
−8
=
–   Rybka 1.2 32-bit2870+18
−18
(+7)17 − 13
(+9−5=16)
56.7%
17.0 / 30
31.8%
+45
0 1 = = 1 = 1 1 = 1 = = 0 0 = 1 0 = = = = 0 1 = 1 = = 1 = =
–   Naum 3.1 32-bit2859+16
−16
(−4)1 − 1
(+0−0=2)
50.0%
1.0 / 2
61.1%
−4
= =
–   Rybka 1.1 32-bit2856+18
−18
(−7)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
68.6%
+2
0 1 = = 0 = = = = = = 1 = = 1 = = = = 1 0 = 1 = = = 0 1 = 0
–   Deep Shredder 11 64-bit2843+15
−15
(−20)0 − 1
(+0−1=0)
0.0%
0.0 / 1
92.9%
−INF
0
–   Bright 0.3a 4CPU2830+18
−18
(−33)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
98.7%
−63
=
–   Toga II 1.4.1SE2826+12
−12
(−37)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.8%
+120
1 =
–   Hiarcs 122809+14
−14
(−54)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−211
= 0
–   Zappa Mexico II 32-bit2809+12
−12
(−54)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−211
0 =
–   Toga II 1.4 beta5c2804+24
−24
(−59)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
100.0%
−27
0 1 1 0 1 1 = 0 = =
–   Naum 2.2 64-bit2797+25
−25
(−66)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−96
=
–   Rybka 1.0 32-bit2787+15
−15
(−76)20 − 9
(+12−1=16)
69.0%
20.0 / 29
100.0%
+36
1 1 = = = = 1 = 1 = 1 = 1 = 0 1 = 1 = 1 1 = = 1 = = = = 1
–   Hiarcs 112776+25
−25
(−87)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Shredder 102771+13
−13
(−92)25 − 13
(+16−4=18)
65.8%
25.0 / 38
100.0%
+6
= = = 1 = = 1 = = 1 = 1 = 1 1 = 0 = 1 0 1 1 1 1 = 1 1 = 0 = 0 = 1 = 1 = = 1
–   Loop 10.32f2765+19
−19
(−98)21.5 − 8.5
(+15−2=13)
71.7%
21.5 / 30
100.0%
+37
1 1 0 1 1 0 = = 1 = = 1 = = 1 = 1 1 1 1 1 1 1 = = = = = 1 =
–   Glaurung 2.1 32-bit2765+18
−18
(−98)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+59
= 1
–   Loop 12.322764+23
−23
(−99)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Toga II 1.2.1a 32-bit2759+12
−12
(−104)14 − 4
(+12−2=4)
77.8%
14.0 / 18
100.0%
+102
= = 1 1 1 = 1 1 0 1 1 0 1 1 1 = 1 1
–   Hiarcs X54 64-bit2759+34
−35
(−104)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Hiarcs X50 Hypermodern2755+30
−30
(−108)4.5 − 0.5
(+4−0=1)
90.0%
4.5 / 5
100.0%
+221
= 1 1 1 1
–   Spike 1.2 Turin2745+7
−7
(−118)24 − 14
(+17−7=14)
63.2%
24.0 / 38
100.0%
−32
1 0 1 = 0 1 = = 1 = 0 = 1 1 = 1 0 1 1 = 1 1 0 1 1 = 1 = = = 0 = = 1 0 1 1 =
–   Junior 102744+13
−13
(−119)27 − 11
(+22−6=10)
71.1%
27.0 / 38
100.0%
+29
0 0 = = 1 = 1 1 = = = 1 1 = 1 1 1 1 1 1 = 1 0 1 1 0 1 0 = 1 1 1 1 = 0 1 1 1
–   Hiarcs X502744+19
−19
(−119)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
100.0%
−87
1 = = 1 = = = 0
–   Naum 2.1 32-bit2743+20
−20
(−120)5.5 − 2.5
(+3−0=5)
68.8%
5.5 / 8
100.0%
−18
= = = = = 1 1 1
–   Fruit 2.2.12742+13
−13
(−121)23.5 − 11.5
(+15−3=17)
67.1%
23.5 / 35
100.0%
−23
= = = = 1 1 1 0 0 = 1 = 1 1 = = 1 = 1 = = = = 1 = 1 1 = 1 = 1 = 1 1 0
–   Fritz 92742+14
−14
(−121)25.5 − 11.5
(+17−3=17)
68.9%
25.5 / 37
100.0%
−4
= 0 = = = = = = = = = 1 1 = = 0 1 1 1 = 0 1 1 1 1 1 1 1 1 1 = 1 = = 1 = 1
–   Hiarcs 102740+16
−16
(−123)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Toga II 1.2 32-bit2735+25
−25
(−128)6.5 − 2.5
(+4−0=5)
72.2%
6.5 / 9
100.0%
+2
1 = 1 = = 1 = 1 =
–   Scorpio 2.0 32-bit 4CPU2732+24
−24
(−131)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Hiarcs X54 32-bit2730+32
−32
(−133)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−163
=
–   Thinker 5.1d Passive2723+28
−28
(−140)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+2
= 1
–   SmarThink 1.00 64-bit2707+36
−36
(−156)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Ktulu 82705+9
−9
(−158)63 − 21
(+48−6=30)
75.0%
63.0 / 84
100.0%
+8
= 1 1 = 1 1 1 1 1 = 1 1 0 1 1 1 = 1 = 1 = = 1 = 0 1 0 1 1 1 = = = 1 = 0 1 1 1 1 = = = 1 = 1 = 1 = 1 = 1 1 = 1 1 1 0 0 1 1 1 1 = = = = = 1 1 1 1 1 = = = = 1 1 1 = 1 1 1
–   Fritz 8 Bilbao2700+28
−28
(−163)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+119
1 1 1 =
–   Naum 2.0 32-bit2697+15
−15
(−166)3 − 2
(+2−1=2)
60.0%
3.0 / 5
100.0%
−89
0 1 = 1 =
–   Spike 1.12689+15
−15
(−174)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−143
=
–   Zap!Chess Paderborn 32-bit2682+21
−21
(−181)29 − 5
(+25−1=8)
85.3%
29.0 / 34
100.0%
+90
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
–   Junior 92676+17
−17
(−187)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−187
0 1
–   Zap!Chess Paderborn SE 32-bit2669+34
−34
(−194)1 − 2
(+1−2=0)
33.3%
1.0 / 3
100.0%
−327
0 0 1
–   Movei 00.8.438 (10 10 10)2668+11
−11
(−195)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−225
=
–   Scorpio 1.842667+32
−32
(−196)11.5 − 2.5
(+10−1=3)
82.1%
11.5 / 14
100.0%
+48
1 = 1 0 1 1 = 1 1 1 = 1 1 1
–   SmarThink 1.00 32-bit2665+15
−15
(−198)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−47
1 = 1 =
–   Zap!Chess Reykjavik 32-bit2658+34
−35
(−205)22 − 7
(+16−1=12)
75.9%
22.0 / 29
100.0%
−38
= 1 1 1 1 = = 1 1 1 0 1 = 1 1 1 = = 1 1 1 = = = 1 = = 1 =
–   CM9000 Enforcer2657+20
−20
(−206)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+83
= 1 1 1
–   Glaurung 1.2.1 32-bit2655+16
−16
(−208)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
−7
1 = 1 = 1
–   CM10th Lazarus2654+23
−23
(−209)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   CM10th Paralyse2651+15
−15
(−212)6.5 − 4.5
(+4−2=5)
59.1%
6.5 / 11
100.0%
−160
0 1 1 = = 1 = 0 = = 1
–   CM10th Ogre2645+23
−23
(−218)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−135
1 = 1 0
–   CM10th Magic II2644+16
−16
(−219)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−219
= =
–   Scorpio 1.82641+20
−20
(−222)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   CM10th Pestilence2639+25
−25
(−224)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+3
1 = 1
–   Slow Chess Blitz WV2.12637+11
−12
(−226)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−75
= 1 1 =
–   Chess Tiger 152636+17
−17
(−227)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−196
=
–   Chess Tiger 15 Gambit2634+33
−33
(−229)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   CM10th Warrior2633+25
−25
(−230)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Gandalf 62633+12
−11
(−230)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Ruffian 2.1.02623+13
−13
(−240)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−322
0 = 0 1
–   Naum 1.91 32-bit2605+15
−15
(−258)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Delfi 5.02599+20
−20
(−264)6.5 − 0.5
(+6−0=1)
92.9%
6.5 / 7
100.0%
+108
1 1 1 1 = 1 1
–   WildCat 62594+21
−21
(−269)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+27
= 1 1 1
–   Pseudo 0.7c2591+13
−13
(−272)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−129
= 1
–   ProDeo 1.12587+30
−31
(−276)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   SOS 5.12563+13
−13
(−300)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−157
= 1
–   Crafty 20.14 32-bit2516+27
−27
(−347)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−64
1 1 1 =

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Created in 2005-2013 by CCRL team
Last games added on May 25, 2019