CCRL 40/40
Downloads and Statistics
November 11, 2017
Testing summary:
Total: 754'213 games
played by 1'962 programs
103027 CPU days (X2 4600+)

White wins: 259'159 (34.4%)
Black wins: 192'263 (25.5%)
Draws: 302'791 (40.1%)
White score: 54.4%

Engine Details

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Rybka 2.1 64-bit 4CPU (3003+33
−32
)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
–   Fizbo 1.7 64-bit 4CPU3127+27
−27
(+124)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+151
0 = 1 = = 1 1 = = 0
–   Andscacs 0.81 64-bit 4CPU3085+32
−31
(+82)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−74
= 0
–   Rybka 4 64-bit3080+11
−11
(+77)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+46
=
–   Arasan 19.2 64-bit 4CPU3052+31
−31
(+49)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
1.5%
−12
0 0 = = = 1 = = 1 = = 1 = 0 = = = 1 0 = = = = 0 = 0 0 0 0 0 0 =
–   Deep Junior 13 64-bit 4CPU3034+16
−16
(+31)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
5.1%
+173
= 1
–   Senpai 1.0 64-bit 4CPU3033+16
−17
(+30)1 − 1
(+0−0=2)
50.0%
1.0 / 2
5.7%
+30
= =
–   Andscacs 0.80 64-bit 4CPU3031+31
−31
(+28)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
11.6%
+58
=
–   Spike 1.4 Leiden 4CPU3025+11
−11
(+22)1 − 1
(+0−0=2)
50.0%
1.0 / 2
11.0%
+22
= =
–   Deep Shredder 12 64-bit 4CPU3025+10
−10
(+22)1 − 0
(+1−0=0)
100.0%
1.0 / 1
11.1%
+INF
1
–   Cheng 4.39 64-bit 4CPU3022+18
−19
(+19)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
17.0%
−152
= 1 = 0 0 0 0 = 0 0
–   Fizbo 1.5 64-bit 4CPU3000+27
−27
(−3)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
56.0%
+91
= 1 1 1 = 0 = = = 1
–   Bobcat 7.6 64-bit 4CPU2988+32
−32
(−15)9 − 5
(+6−2=6)
64.3%
9.0 / 14
75.3%
+72
= = 1 0 = = 1 1 = = 1 1 1 0
–   Cheng4 0.38 64-bit 4CPU2988+24
−24
(−15)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
76.8%
+141
1 =
–   Rybka 2.2 64-bit 4CPU2978+20
−20
(−25)14 − 16
(+4−6=20)
46.7%
14.0 / 30
90.7%
−41
= = 0 = 0 = = = 0 1 = = = = 1 = = = 0 = = = 1 0 = = 1 0 = =
–   Spark 1.0 64-bit 4CPU2977+13
−13
(−26)1 − 1
(+1−1=0)
50.0%
1.0 / 2
92.9%
−26
0 1
–   Zappa Mexico II 64-bit 4CPU2974+10
−10
(−29)1 − 0
(+1−0=0)
100.0%
1.0 / 1
95.2%
+INF
1
–   Zappa Mexico 64-bit 4CPU2964+15
−15
(−39)5 − 3
(+4−2=2)
62.5%
5.0 / 8
98.4%
+48
= 1 1 0 1 = 1 0
–   Komodo 1.2 64-bit2951+16
−16
(−52)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.8%
−21
=
–   Gaviota 1.0 64-bit 4CPU2945+18
−18
(−58)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.9%
+98
1 =
–   Arasan 17.5 64-bit 4CPU2941+27
−27
(−62)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.8%
−62
= =
–   Onno 1.2.70 64-bit 4CPU2940+20
−20
(−63)2 − 1
(+1−0=2)
66.7%
2.0 / 3
99.9%
+19
1 = =
–   EXchess 7.71b 64-bit 4CPU2939+28
−28
(−64)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.8%
+INF
1 1
–   Fizbo 1.4 64-bit 4CPU2939+28
−28
(−64)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.8%
+INF
1 1
–   Thinker 5.4d Inert 64-bit 4CPU2935+24
−24
(−68)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.9%
−68
= =
–   Toga II 3.0 4CPU2930+23
−23
(−73)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Rybka 2.2 64-bit2921+29
−29
(−82)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+74
= 1
–   Deep Shredder 11 64-bit 4CPU2920+12
−12
(−83)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−83
1 0 = =
–   Naum 2.2 64-bit 4CPU2907+18
−18
(−96)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−96
= =
–   Tornado 7.0 64-bit 4CPU2904+26
−26
(−99)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Toga II 1.4 beta5c 4CPU2888+18
−18
(−115)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−115
= =
–   Loop M1-T 64-bit 4CPU2853+12
−12
(−150)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+77
1 = 1
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2843+19
−19
(−160)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−3
= 1
–   Deep Shredder 10 64-bit 4CPU2834+17
−17
(−169)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+10
1 1 = = = 1 1 1 1 1 1 = 0 = 0 1 1 1 1 1 1 1 1 1 = = = = 1 =
–   Bright 0.3a 4CPU2834+18
−18
(−169)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−12
= 1
–   Glaurung 2.0.1 64-bit 4CPU2832+17
−17
(−171)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−171
= =
–   Naum 2.2 64-bit2799+25
−25
(−204)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−47
1 =
–   Fruit 05/11/032774+20
−20
(−229)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop M1-T 64-bit2772+30
−30
(−231)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop 10.32f2766+19
−19
(−237)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+4
1 1 0 1 1 = 1 = 1 1 = 1 1 1 1 1 1 1 1 1 = 1 1 1 = = = 1 0 1
–   Toga II 1.2.1a 32-bit2761+12
−12
(−242)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−54
= 1 = 1 = = 1 1 1 0 = = = 1 1 1 = 1 = 1 1 = 1 1 1 1 = 1 1 1
–   Hiarcs X54 Hypermodern 32-bit2757+29
−29
(−246)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−89
= 1
–   Spike 1.2 Turin2746+7
−7
(−257)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−78
1 1 1 1 = 1 = = 1 1 1 = 1 = 1 = 1 1 = = = 1 1 1 0 1 = 1 0
–   Hiarcs X502745+19
−19
(−258)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−20
1 1 1 1 1 1 0 1 1 = 1 = 1 1 1 0 1 1 1 = 1 1 1 1 = 1 = 1 = =
–   Scorpio 2.0 32-bit 4CPU2734+24
−24
(−269)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
−34
1 1 0 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 2.1 64-bit 4CPU
played with current
participants of this list
Represented by
All    15Rybka 4 64-bit 4CPU

Created in 2005-2013 by CCRL team
Last games added on November 11, 2017