CCRL 40/15
Downloads and Statistics
February 8, 2020
Testing summary:
Total: 1'120'733 games
played by 2'610 programs

White wins: 387'881 (34.6%)
Black wins: 287'767 (25.7%)
Draws: 445'085 (39.7%)
White score: 54.5%

Engine Details

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Rybka 2.1 64-bit 4CPU (2998+29
−29
)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 4CPU3121+27
−27
(+123)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+150
0 = 1 = = 1 1 = = 0
–   Arasan 20.4.1 64-bit 4CPU3121+26
−25
(+123)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+60
= = = 1 0 = 0 0 0 1
–   ChessBrainVB 3.66 4CPU3107+28
−28
(+109)6.5 − 9.5
(+5−8=3)
40.6%
6.5 / 16
0.0%
+40
0 1 1 0 = 0 0 1 1 = = 0 0 0 0 1
–   Xiphos 0.2.2 64-bit 4CPU3103+26
−26
(+105)5 − 11
(+2−8=6)
31.3%
5.0 / 16
0.0%
−11
= = = 0 = 0 0 0 = 1 = 1 0 0 0 0
–   Andscacs 0.81 64-bit 4CPU3078+31
−31
(+80)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−76
= 0
–   Rybka 4 64-bit3077+10
−11
(+79)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+48
=
–   Wasp 3.0 64-bit 4CPU3061+25
−25
(+63)5.5 − 10.5
(+1−6=9)
34.4%
5.5 / 16
0.1%
−29
0 = = = = = 1 0 0 = 0 = 0 0 = =
–   Arasan 19.2 64-bit 4CPU3040+31
−31
(+42)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
2.4%
−19
0 0 = = = 1 = = 1 = = 1 = 0 = = = 1 0 = = = = 0 = 0 0 0 0 0 0 =
–   Deep Junior 13 64-bit 4CPU3028+16
−16
(+30)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
4.1%
+172
= 1
–   Senpai 1.0 64-bit 4CPU3024+16
−16
(+26)1 − 1
(+0−0=2)
50.0%
1.0 / 2
6.3%
+26
= =
–   Andscacs 0.80 64-bit 4CPU3024+31
−31
(+26)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
11.5%
+56
=
–   Deep Shredder 12 64-bit 4CPU3019+10
−10
(+21)1 − 0
(+1−0=0)
100.0%
1.0 / 1
9.4%
+INF
1
–   Spike 1.4 Leiden 4CPU3017+11
−11
(+19)1 − 1
(+0−0=2)
50.0%
1.0 / 2
11.6%
+19
= =
–   Cheng 4.39 64-bit 4CPU3011+15
−15
(+13)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
22.9%
−158
0 0 = 1 = 0 0 = 0 0
–   Fizbo 1.5 64-bit 4CPU2994+27
−27
(−4)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
58.3%
+90
1 1 = 0 = = = 1 = 1
–   Bobcat 7.6 64-bit 4CPU2981+32
−32
(−17)9 − 5
(+6−2=6)
64.3%
9.0 / 14
78.4%
+70
= = = = 1 1 = = 1 1 1 0 1 0
–   Cheng4 0.38 64-bit 4CPU2981+24
−24
(−17)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
80.3%
+139
1 =
–   Rybka 2.2 64-bit 4CPU2976+20
−20
(−22)14 − 16
(+4−6=20)
46.7%
14.0 / 30
89.9%
−38
= = 0 = 0 = = = 0 1 = = = = 1 = = = 0 = = = 1 0 = = 1 0 = =
–   Spark 1.0 64-bit 4CPU2970+13
−13
(−28)1 − 1
(+1−1=0)
50.0%
1.0 / 2
95.5%
−28
0 1
–   Zappa Mexico II 64-bit 4CPU2969+10
−10
(−29)1 − 0
(+1−0=0)
100.0%
1.0 / 1
96.4%
+INF
1
–   Zappa Mexico 64-bit 4CPU2960+15
−15
(−38)5 − 3
(+4−2=2)
62.5%
5.0 / 8
98.8%
+49
= 1 1 0 1 = 1 0
–   Komodo 1.2 64-bit2947+16
−16
(−51)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.9%
−20
=
–   Gaviota 1.0 64-bit 4CPU2943+16
−16
(−55)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.9%
+101
1 =
–   Arasan 17.5 64-bit 4CPU2936+27
−27
(−62)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.9%
−62
= =
–   Onno 1.2.70 64-bit 4CPU2935+19
−19
(−63)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
+19
1 = =
–   Fizbo 1.4 64-bit 4CPU2933+28
−28
(−65)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   EXchess 7.71b 64-bit 4CPU2933+28
−28
(−65)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   Ethereal 8.62 64-bit 4CPU2932+22
−22
(−66)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
100.0%
−48
0 = 0 = = 1 1 1 1 = 0 = = 0 = 1
–   Thinker 5.4d Inert 64-bit 4CPU2927+22
−22
(−71)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−71
= =
–   Rybka 2.2 64-bit2921+29
−28
(−77)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+79
1 =
–   Toga II 3.0 4CPU2920+22
−23
(−78)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Deep Shredder 11 64-bit 4CPU2917+12
−12
(−81)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−81
= = 1 0
–   Naum 2.2 64-bit 4CPU2904+18
−18
(−94)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−94
= =
–   Tornado 7.0 64-bit 4CPU2894+25
−25
(−104)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Toga II 1.4 beta5c 4CPU2885+18
−18
(−113)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−113
= =
–   Loop M1-T 64-bit 4CPU2850+12
−12
(−148)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+79
1 = 1
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2838+19
−19
(−160)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−3
= 1
–   Deep Shredder 10 64-bit 4CPU2832+17
−17
(−166)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+13
1 1 = = = 1 1 1 1 1 1 = 0 = 0 1 1 1 1 1 1 1 1 1 = = = = 1 =
–   Bright 0.3a 4CPU2830+18
−18
(−168)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−11
= 1
–   Glaurung 2.0.1 64-bit 4CPU2829+17
−17
(−169)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−169
= =
–   Naum 2.2 64-bit2798+25
−25
(−200)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−43
1 =
–   Fruit 05/11/032774+20
−20
(−224)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop M1-T 64-bit2771+30
−30
(−227)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop 10.32f2766+19
−19
(−232)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+9
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-bit2760+12
−12
(−238)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−50
= 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
−28
(−242)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−85
= 1
–   Spike 1.2 Turin2746+7
−7
(−252)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−73
0 1 1 1 1 = 1 = = 1 1 1 = 1 = 1 = 1 1 = = = 1 1 1 0 1 = 1
–   Hiarcs X502744+19
−19
(−254)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−16
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
(−266)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
−31
0 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on February 8, 2020