CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Rybka 2.1 64-bit 4CPU (3001+31
−30
)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 4CPU3123+27
−27
(+122)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+149
0 = 1 = = 1 1 = = 0
–   Arasan 20.4.1 64-bit 4CPU3122+29
−29
(+121)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+58
0 0 0 1 = = = 1 0 =
–   ChessBrainVB 3.66 4CPU3106+29
−29
(+105)6.5 − 9.5
(+5−8=3)
40.6%
6.5 / 16
0.0%
+36
0 1 1 = 0 0 0 1 = 0 0 1 1 0 = 0
–   Andscacs 0.81 64-bit 4CPU3081+32
−32
(+80)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−76
= 0
–   Rybka 4 64-bit3080+11
−11
(+79)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+48
=
–   Arasan 19.2 64-bit 4CPU3046+31
−31
(+45)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
2.0%
−16
0 0 = = = 1 = = 1 = = 1 = 0 = = = 1 0 = = = = 0 = 0 0 0 0 0 0 =
–   Deep Junior 13 64-bit 4CPU3031+16
−16
(+30)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
5.0%
+172
= 1
–   Senpai 1.0 64-bit 4CPU3028+16
−16
(+27)1 − 1
(+0−0=2)
50.0%
1.0 / 2
6.9%
+27
= =
–   Andscacs 0.80 64-bit 4CPU3027+31
−31
(+26)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
12.4%
+56
=
–   Deep Shredder 12 64-bit 4CPU3021+10
−10
(+20)1 − 0
(+1−0=0)
100.0%
1.0 / 1
10.9%
+INF
1
–   Spike 1.4 Leiden 4CPU3020+11
−11
(+19)1 − 1
(+0−0=2)
50.0%
1.0 / 2
12.8%
+19
= =
–   Cheng 4.39 64-bit 4CPU3009+17
−17
(+8)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
33.5%
−163
0 0 0 = 0 0 = 1 = 0
–   Fizbo 1.5 64-bit 4CPU2996+27
−27
(−5)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
60.6%
+89
1 1 = 1 = 0 = = = 1
–   Cheng4 0.38 64-bit 4CPU2984+24
−24
(−17)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
80.5%
+139
1 =
–   Bobcat 7.6 64-bit 4CPU2983+32
−32
(−18)9 − 5
(+6−2=6)
64.3%
9.0 / 14
79.0%
+69
1 0 = = = = 1 1 = = 1 1 1 0
–   Rybka 2.2 64-bit 4CPU2976+20
−20
(−25)14 − 16
(+4−6=20)
46.7%
14.0 / 30
91.3%
−41
= = 0 = 0 = = = 0 1 = = = = 1 = = = 0 = = = 1 0 = = 1 0 = =
–   Spark 1.0 64-bit 4CPU2972+13
−13
(−29)1 − 1
(+1−1=0)
50.0%
1.0 / 2
95.4%
−29
0 1
–   Zappa Mexico II 64-bit 4CPU2971+10
−10
(−30)1 − 0
(+1−0=0)
100.0%
1.0 / 1
96.4%
+INF
1
–   Zappa Mexico 64-bit 4CPU2960+15
−15
(−41)5 − 3
(+4−2=2)
62.5%
5.0 / 8
99.0%
+46
= 1 1 0 1 = 1 0
–   Komodo 1.2 64-bit2948+16
−16
(−53)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.9%
−22
=
–   Gaviota 1.0 64-bit 4CPU2942+17
−17
(−59)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+97
1 =
–   Arasan 17.5 64-bit 4CPU2937+27
−27
(−64)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.9%
−64
= =
–   Fizbo 1.4 64-bit 4CPU2935+28
−28
(−66)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   Onno 1.2.70 64-bit 4CPU2935+20
−20
(−66)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
+16
= = 1
–   Ethereal 8.62 64-bit 4CPU2934+22
−22
(−67)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
100.0%
−49
= 1 0 = = 0 0 = 0 = = 1 1 1 1 =
–   EXchess 7.71b 64-bit 4CPU2934+28
−28
(−67)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   Thinker 5.4d Inert 64-bit 4CPU2930+23
−23
(−71)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−71
= =
–   Toga II 3.0 4CPU2925+23
−23
(−76)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Rybka 2.2 64-bit2921+29
−29
(−80)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+76
1 =
–   Deep Shredder 11 64-bit 4CPU2918+12
−12
(−83)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−83
= = 1 0
–   Naum 2.2 64-bit 4CPU2905+18
−18
(−96)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−96
= =
–   Tornado 7.0 64-bit 4CPU2897+25
−25
(−104)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Toga II 1.4 beta5c 4CPU2886+18
−18
(−115)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−115
= =
–   Loop M1-T 64-bit 4CPU2851+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 4CPU2839+19
−19
(−162)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−5
= 1
–   Deep Shredder 10 64-bit 4CPU2832+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 4CPU2831+18
−18
(−170)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−13
= 1
–   Glaurung 2.0.1 64-bit 4CPU2830+17
−17
(−171)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−171
= =
–   Naum 2.2 64-bit2798+25
−25
(−203)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−46
1 =
–   Fruit 05/11/032773+20
−20
(−228)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop M1-T 64-bit2771+30
−30
(−230)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop 10.32f2765+19
−19
(−236)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+5
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-bit2759+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-bit2756+29
−29
(−245)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−88
= 1
–   Spike 1.2 Turin2745+7
−7
(−256)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−77
0 1 1 1 1 = 1 = = 1 1 1 = 1 = 1 = 1 1 = = = 1 1 1 0 1 = 1
–   Hiarcs X502744+19
−19
(−257)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−19
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 4CPU2732+24
−24
(−269)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
−34
0 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on April 21, 2018