CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Rybka 2.1 64-bit 4CPU (3021+24
−24
)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 27 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fizbo 1.7 64-bit 4CPU3166+22
−22
(+145)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+178
–   Arasan 20.4.1 64-bit 4CPU3159+22
−22
(+138)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+66
–   ChessBrainVB 3.66 4CPU3147+23
−23
(+126)6.5 − 9.5
(+5−8=3)
40.6%
6.5 / 16
0.0%
+46
–   Xiphos 0.2.2 64-bit 4CPU3139+23
−23
(+118)5 − 11
(+2−8=6)
31.3%
5.0 / 16
0.0%
−14
–   Monolith 2 64-bit 4CPU3116+23
−23
(+95)6.5 − 13.5
(+2−9=9)
32.5%
6.5 / 20
0.0%
−29
–   Andscacs 0.81 64-bit 4CPU3114+26
−26
(+93)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−77
–   Rybka 4 64-bit3111+9
−9
(+90)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+55
–   Wasp 3.0 64-bit 4CPU3094+22
−22
(+73)5.5 − 10.5
(+1−6=9)
34.4%
5.5 / 16
0.0%
−33
–   Arasan 19.2 64-bit 4CPU3077+26
−26
(+56)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
0.0%
−16
–   Deep Junior 13 64-bit 4CPU3055+14
−14
(+34)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.6%
+196
–   Andscacs 0.80 64-bit 4CPU3051+26
−26
(+30)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
4.4%
+64
–   Senpai 1.0 64-bit 4CPU3050+15
−15
(+29)1 − 1
(+0−0=2)
50.0%
1.0 / 2
1.7%
+29
–   Deep Shredder 12 64-bit 4CPU3045+9
−9
(+24)1 − 0
(+1−0=0)
100.0%
1.0 / 1
2.6%
+INF
–   Gogobello 2.2 64-bit 4CPU3043+24
−24
(+22)12 − 14
(+6−8=12)
46.2%
12.0 / 26
8.7%
−5
–   Spike 1.4 Leiden 4CPU3042+10
−10
(+21)1 − 1
(+0−0=2)
50.0%
1.0 / 2
5.0%
+21
–   Cheng 4.39 64-bit 4CPU3038+14
−14
(+17)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
9.8%
−169
–   Fizbo 1.5 64-bit 4CPU3019+24
−24
(−2)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
53.3%
+106
–   Cheng4 0.38 64-bit 4CPU3004+21
−21
(−17)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
85.2%
+153
–   Rybka 2.2 64-bit 4CPU3003+16
−16
(−18)14 − 16
(+4−6=20)
46.7%
14.0 / 30
88.8%
−37
–   Bobcat 7.6 64-bit 4CPU3002+27
−27
(−19)9 − 5
(+6−2=6)
64.3%
9.0 / 14
85.5%
+81
–   Zappa Mexico II 64-bit 4CPU2993+9
−9
(−28)1 − 0
(+1−0=0)
100.0%
1.0 / 1
98.6%
+INF
–   Spark 1.0 64-bit 4CPU2992+12
−12
(−29)1 − 1
(+1−1=0)
50.0%
1.0 / 2
98.4%
−29
–   Zappa Mexico 64-bit 4CPU2984+13
−13
(−37)5 − 3
(+4−2=2)
62.5%
5.0 / 8
99.6%
+61
–   Komodo 1.2 64-bit2966+13
−13
(−55)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−20
–   Gaviota 1.0 64-bit 4CPU2962+14
−14
(−59)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+111
–   Arasan 17.5 64-bit 4CPU2960+23
−23
(−61)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−61
–   EXchess 7.71b 64-bit 4CPU2953+25
−25
(−68)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Onno 1.2.70 64-bit 4CPU2952+17
−17
(−69)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
+25
–   Fizbo 1.4 64-bit 4CPU2951+24
−24
(−70)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Rybka 2.2 64-bit2950+22
−22
(−71)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+99
–   Ethereal 8.62 64-bit 4CPU2950+20
−20
(−71)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
100.0%
−49
–   Thinker 5.4d Inert 64-bit 4CPU2942+20
−20
(−79)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−79
–   Toga II 3.0 4CPU2936+20
−20
(−85)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Deep Shredder 11 64-bit 4CPU2935+11
−11
(−86)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−86
–   Naum 2.2 64-bit 4CPU2921+15
−15
(−100)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−100
–   Tornado 7.0 64-bit 4CPU2908+23
−23
(−113)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Toga II 1.4 beta5c 4CPU2902+16
−16
(−119)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−119
–   Loop M1-T 64-bit 4CPU2861+10
−10
(−160)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+74
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2850+17
−17
(−171)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
0
–   Deep Shredder 10 64-bit 4CPU2845+15
−15
(−176)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+18
–   Glaurung 2.0.1 64-bit 4CPU2839+15
−15
(−182)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−182
–   Bright 0.3a 4CPU2839+16
−16
(−182)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−11
–   Naum 2.2 64-bit2807+23
−23
(−214)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−43
–   Loop M1-T 64-bit2791+21
−21
(−230)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Fruit 05/11/032781+18
−18
(−240)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Loop 10.32f2774+17
−17
(−247)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+3
–   Toga II 1.2.1a 32-bit2766+10
−10
(−255)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−52
–   Hiarcs X54 Hypermodern 32-bit2760+25
−25
(−261)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−90
–   Hiarcs X502751+16
−16
(−270)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−22
–   Spike 1.2 Turin2750+6
−6
(−271)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−78
–   Scorpio 2.0 32-bit 4CPU2734+21
−21
(−287)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
−36

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024