CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Rybka 2.1 64-bit 4CPU (2996+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 4CPU3118+27
−27
(+122)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+149
–   Arasan 20.4.1 64-bit 4CPU3118+26
−25
(+122)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+59
–   ChessBrainVB 3.66 4CPU3104+28
−28
(+108)6.5 − 9.5
(+5−8=3)
40.6%
6.5 / 16
0.0%
+39
–   Xiphos 0.2.2 64-bit 4CPU3100+26
−26
(+104)5 − 11
(+2−8=6)
31.3%
5.0 / 16
0.0%
−12
–   Andscacs 0.81 64-bit 4CPU3075+31
−32
(+79)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−77
–   Rybka 4 64-bit3074+11
−11
(+78)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+47
–   Wasp 3.0 64-bit 4CPU3058+25
−25
(+62)5.5 − 10.5
(+1−6=9)
34.4%
5.5 / 16
0.1%
−30
–   Arasan 19.2 64-bit 4CPU3041+31
−31
(+45)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
1.6%
−16
–   Deep Junior 13 64-bit 4CPU3025+16
−16
(+29)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
4.5%
+171
–   Senpai 1.0 64-bit 4CPU3021+16
−17
(+25)1 − 1
(+0−0=2)
50.0%
1.0 / 2
6.9%
+25
–   Andscacs 0.80 64-bit 4CPU3021+31
−31
(+25)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
12.2%
+55
–   Deep Shredder 12 64-bit 4CPU3016+10
−10
(+20)1 − 0
(+1−0=0)
100.0%
1.0 / 1
10.5%
+INF
–   Spike 1.4 Leiden 4CPU3014+11
−11
(+18)1 − 1
(+0−0=2)
50.0%
1.0 / 2
12.6%
+18
–   Cheng 4.39 64-bit 4CPU3008+15
−15
(+12)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
23.9%
−159
–   Fizbo 1.5 64-bit 4CPU2991+27
−27
(−5)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
59.6%
+89
–   Cheng4 0.38 64-bit 4CPU2979+24
−24
(−17)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
81.3%
+139
–   Bobcat 7.6 64-bit 4CPU2977+31
−31
(−19)9 − 5
(+6−2=6)
64.3%
9.0 / 14
81.3%
+68
–   Rybka 2.2 64-bit 4CPU2972+20
−19
(−24)14 − 16
(+4−6=20)
46.7%
14.0 / 30
91.2%
−40
–   Zappa Mexico II 64-bit 4CPU2967+10
−10
(−29)1 − 0
(+1−0=0)
100.0%
1.0 / 1
96.6%
+INF
–   Spark 1.0 64-bit 4CPU2967+13
−13
(−29)1 − 1
(+1−1=0)
50.0%
1.0 / 2
95.9%
−29
–   Zappa Mexico 64-bit 4CPU2958+15
−15
(−38)5 − 3
(+4−2=2)
62.5%
5.0 / 8
98.8%
+49
–   Komodo 1.2 64-bit2944+16
−16
(−52)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.9%
−21
–   Gaviota 1.0 64-bit 4CPU2940+16
−16
(−56)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.9%
+100
–   Arasan 17.5 64-bit 4CPU2933+27
−27
(−63)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.9%
−63
–   Onno 1.2.70 64-bit 4CPU2932+19
−19
(−64)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
+18
–   EXchess 7.71b 64-bit 4CPU2930+28
−28
(−66)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
–   Fizbo 1.4 64-bit 4CPU2930+28
−28
(−66)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
–   Ethereal 8.62 64-bit 4CPU2929+22
−22
(−67)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
100.0%
−49
–   Thinker 5.4d Inert 64-bit 4CPU2924+23
−23
(−72)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−72
–   Rybka 2.2 64-bit2920+29
−28
(−76)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+80
–   Toga II 3.0 4CPU2917+22
−23
(−79)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Deep Shredder 11 64-bit 4CPU2915+12
−12
(−81)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−81
–   Naum 2.2 64-bit 4CPU2903+18
−18
(−93)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−93
–   Tornado 7.0 64-bit 4CPU2892+25
−25
(−104)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Toga II 1.4 beta5c 4CPU2883+18
−18
(−113)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−113
–   Loop M1-T 64-bit 4CPU2847+12
−12
(−149)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+78
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2836+19
−19
(−160)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−3
–   Deep Shredder 10 64-bit 4CPU2830+17
−17
(−166)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+13
–   Bright 0.3a 4CPU2828+18
−18
(−168)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−11
–   Glaurung 2.0.1 64-bit 4CPU2827+17
−17
(−169)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−169
–   Naum 2.2 64-bit2796+25
−25
(−200)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−43
–   Fruit 05/11/032772+20
−20
(−224)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Loop M1-T 64-bit2769+30
−30
(−227)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Loop 10.32f2765+19
−19
(−231)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+10
–   Toga II 1.2.1a 32-bit2759+12
−12
(−237)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−49
–   Hiarcs X54 Hypermodern 32-bit2755+29
−28
(−241)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−84
–   Spike 1.2 Turin2744+7
−7
(−252)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−73
–   Hiarcs X502743+19
−19
(−253)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−15
–   Scorpio 2.0 32-bit 4CPU2730+24
−24
(−266)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
−31

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021