CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
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
–   Arasan 20.4.1 64-bit 4CPU3120+26
−26
(+122)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+59
0 0 0 1 = = = 1 0 =
–   Fizbo 1.7 64-bit 4CPU3119+27
−27
(+121)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+148
0 = 1 = = 1 1 = = 0
–   ChessBrainVB 3.66 4CPU3107+28
−28
(+109)6.5 − 9.5
(+5−8=3)
40.6%
6.5 / 16
0.0%
+40
= 0 0 0 0 1 0 1 1 = 0 1 1 0 = 0
–   Xiphos 0.2.2 64-bit 4CPU3103+26
−26
(+105)5 − 11
(+2−8=6)
31.3%
5.0 / 16
0.0%
−11
= 1 = 1 = 0 0 0 0 0 0 0 = = = 0
–   Andscacs 0.81 64-bit 4CPU3077+31
−32
(+79)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−77
0 =
–   Rybka 4 64-bit3077+11
−10
(+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 = 0 = 0 0 = = = = 1 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
6.4%
+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
9.2%
+INF
1
–   Spike 1.4 Leiden 4CPU3017+11
−11
(+19)1 − 1
(+0−0=2)
50.0%
1.0 / 2
11.7%
+19
= =
–   Cheng 4.39 64-bit 4CPU3010+15
−15
(+12)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
23.5%
−159
0 = 0 0 0 0 = 1 = 0
–   Fizbo 1.5 64-bit 4CPU2994+27
−27
(−4)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
58.2%
+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
78.6%
+70
1 0 = = 1 1 = = 1 1 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
89.5%
−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
1 0
–   Zappa Mexico II 64-bit 4CPU2970+10
−10
(−28)1 − 0
(+1−0=0)
100.0%
1.0 / 1
96.2%
+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
−23
(−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 4CPU2919+22
−22
(−79)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 4CPU2905+17
−18
(−93)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−93
= =
–   Tornado 7.0 64-bit 4CPU2895+25
−25
(−103)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Toga II 1.4 beta5c 4CPU2886+18
−18
(−112)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−112
= =
–   Loop M1-T 64-bit 4CPU2850+11
−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 4CPU2839+19
−19
(−159)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−2
= 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 4CPU2831+18
−18
(−167)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−10
= 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
1 1 1 1 = 1 = = 1 1 1 = 1 = 1 = 1 1 = = = 1 1 1 0 1 = 1 0
–   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
1 1 0 1

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Created in 2005-2013 by CCRL team
Last games added on September 14, 2019