CCRL 40/40
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 783'129 games
played by 2'026 programs
108312 CPU days (X2 4600+)

White wins: 268'533 (34.3%)
Black wins: 198'801 (25.4%)
Draws: 315'795 (40.3%)
White score: 54.5%

Engine Details

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Rybka 3 Human 64-bit (3019+29
−28
)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
–   Naum 4.2 64-bit2980+9
−9
(−39)12.5 − 11.5
(+5−4=15)
52.1%
12.5 / 24
99.5%
−26
0 = = = = 1 = = = 1 1 1 = = = = 0 0 = 1 0 = = =
–   Shredder 12 32-bit2931+8
−7
(−88)12.5 − 5.5
(+10−3=5)
69.4%
12.5 / 18
100.0%
+47
1 0 = 1 = 1 1 0 1 0 1 = 1 1 1 = 1 =
–   Naum 4 32-bit2930+15
−15
(−89)11 − 7
(+7−3=8)
61.1%
11.0 / 18
100.0%
−18
= 1 = = 1 = = 1 0 1 = 1 1 = = 0 0 1
–   Komodo 1.0 64-bit2924+14
−14
(−95)11 − 7
(+5−1=12)
61.1%
11.0 / 18
100.0%
−32
= 0 = 1 = = = = 1 = = 1 = 1 = 1 = =
–   Rybka 2.3.2a 32-bit2913+9
−9
(−106)13.5 − 4.5
(+9−0=9)
75.0%
13.5 / 18
100.0%
+44
= = = = = 1 = 1 1 1 1 = 1 = 1 = 1 1
–   Thinker 5.4d Inert 64-bit2865+17
−17
(−154)16.5 − 7.5
(+11−2=11)
68.8%
16.5 / 24
100.0%
−39
1 1 = 1 = 1 0 = = 1 = = 1 1 = = 0 = 1 = 1 1 = 1
–   Naum 3.1 64-bit2863+18
−18
(−156)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+53
1 = = 1 1 1 = 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1 1 = = = = = 1 1 1 1
–   Thinker 5.4c Inert 64-bit2861+14
−14
(−158)12.5 − 5.5
(+9−2=7)
69.4%
12.5 / 18
100.0%
−29
1 = 1 = 1 = = 1 = = 0 1 1 0 1 1 1 =
–   Zappa Mexico II 64-bit2859+10
−10
(−160)35 − 15
(+25−5=20)
70.0%
35.0 / 50
100.0%
−32
1 1 = 1 1 = = 0 1 0 = = 0 1 1 1 1 1 1 1 = 1 1 = 1 = = 1 = 0 1 = = 1 = = = = 1 = 1 1 = 0 1 = 1 = 1 1
–   Fritz 112853+10
−10
(−166)24 − 8
(+17−1=14)
75.0%
24.0 / 32
100.0%
−10
1 1 = 1 = = 1 = 0 1 = = = = 1 = 1 = 1 = 1 1 1 1 1 = = 1 = 1 1 1
–   Deep Shredder 11 64-bit2845+15
−15
(−174)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−24
= 1 0 0 1 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 = = 1 1 1 = = 1 = = 1 0
–   Protector 1.3.4 64-bit2841+24
−24
(−178)16.5 − 3.5
(+14−1=5)
82.5%
16.5 / 20
100.0%
+63
1 1 = = 1 = 1 1 1 1 = = 1 1 1 0 1 1 1 1
–   Toga II 1.4.1SE2828+12
−12
(−191)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
+46
= 1 1 1 1 1 1 1 0 1 1 1 1 1 0 1 0 1 1 1 0 1 = 1 = = = 1 1 1 1 1
–   Hiarcs 122810+14
−14
(−209)23 − 9
(+15−1=16)
71.9%
23.0 / 32
100.0%
−77
1 = = = = = = 1 1 = 1 1 1 0 1 1 1 = = = 1 1 1 = = 1 1 = = 1 = =
–   Glaurung 2.2 64-bit2782+16
−16
(−237)28 − 4
(+26−2=4)
87.5%
28.0 / 32
100.0%
+87
1 1 1 = 1 1 1 1 0 1 1 1 1 = 1 1 0 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1
–   Glaurung 2.1 64-bit2770+20
−20
(−249)28.5 − 3.5
(+25−0=7)
89.1%
28.5 / 32
100.0%
+60
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 =

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 3 Human 64-bit
played with current
participants of this list
Represented by
1-2-CPU    74Rybka 4.1 64-bit
Single-CPU    74Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on January 20, 2018