CCRL 40/4
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 1'718'326 games
played by 2'020 programs
23175 CPU days (X2 4600+)

White wins: 671'250 (39.1%)
Black wins: 545'013 (31.7%)
Draws: 502'063 (29.2%)
White score: 53.7%

Engine Details

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Rybka 1.0 32-bit (2791+13
−13
)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 25 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 1.2 32-bit2863+14
−15
(+72)26.5 − 37.5
(+11−22=31)
41.4%
26.5 / 64
0.0%
+18
1 = = = 0 = 1 = = = = 0 0 = = = = = 1 0 1 0 = = 0 = = 1 0 0 1 = = = 0 0 0 0 0 = 0 = 0 = 0 1 1 0 1 0 0 0 = = 0 1 = = 0 = = = = 1
–   Rybka 1.1 32-bit2853+21
−21
(+62)19.5 − 42.5
(+5−28=29)
31.5%
19.5 / 62
0.0%
−50
= 0 0 0 1 0 = 0 0 = 1 = = = 0 0 = = = 0 0 0 = = = 0 = = 0 = = = = 0 0 1 = 0 1 0 = 0 = 0 1 = = 0 0 0 0 0 0 = 0 = 0 = = = 0 =
–   Rybka 1.0 64-bit2852+15
−14
(+61)20 − 44
(+8−32=24)
31.3%
20.0 / 64
0.0%
−60
0 0 = 0 1 0 0 0 0 = 0 0 = 0 0 0 0 0 = 0 = = = 0 0 0 0 = = = 0 1 0 = = 0 1 0 = 0 0 = 1 1 1 = 0 = 0 = = 0 = 0 = 0 1 = 1 = 0 0 = =
–   Hiarcs 12.12833+13
−13
(+42)9.5 − 10.5
(+7−8=5)
47.5%
9.5 / 20
0.0%
+25
= 1 1 = = 0 1 0 0 1 = 0 0 0 0 = 1 1 1 0
–   Loop 10.32f2812+24
−24
(+21)14.5 − 15.5
(+8−9=13)
48.3%
14.5 / 30
6.0%
+9
1 0 = 1 0 1 = = 0 = = 1 = = 0 0 = 0 1 = 1 0 1 = 0 1 = = = 0
–   Hiarcs 11.12803+11
−11
(+12)15 − 17
(+8−10=14)
46.9%
15.0 / 32
8.0%
−9
= = 1 1 1 0 0 = = 0 0 0 = 0 = = = 0 0 0 = = 1 1 = = 1 1 = 1 = 0
–   Fruit 2.32783+14
−14
(−8)17 − 15
(+10−8=14)
53.1%
17.0 / 32
80.6%
+11
= 0 0 = 0 = 1 0 0 1 1 = = 1 = 0 0 = 1 1 = 1 = 1 0 1 = = 1 = = =
–   Strelka 1.8 32-bit2782+13
−13
(−9)37.5 − 26.5
(+21−10=33)
58.6%
37.5 / 64
83.0%
+39
= = 1 = 1 1 1 1 = 1 0 1 = 0 = 0 = 0 = = 1 1 = = 0 = = 1 1 0 1 = = = = 1 = = = 0 1 1 = 1 = 1 = = 1 1 = = = 1 = 0 0 0 1 = = = = =
–   Bright 0.4a2779+10
−10
(−12)11 − 9
(+9−7=4)
55.0%
11.0 / 20
93.4%
+27
0 1 1 1 0 0 0 = = 0 = 1 1 1 1 0 0 1 = 1
–   Loop 12.322779+32
−31
(−12)17.5 − 11.5
(+11−5=13)
60.3%
17.5 / 29
75.7%
+50
0 1 = 1 0 0 = 1 = = 1 1 = 1 0 1 1 = = = 1 = 0 1 = = = = 1
–   Loop 13.6 (Loop 2007) 32-bit2775+10
−10
(−16)17.5 − 13.5
(+10−6=15)
56.5%
17.5 / 31
97.5%
+23
1 = = 1 = 1 1 1 0 = 1 1 = = 0 = = = 1 1 = = 0 1 = = 0 0 0 = =
–   Toga II 1.2.1a 32-bit2762+9
−9
(−29)23.5 − 16.5
(+17−10=13)
58.8%
23.5 / 40
100.0%
+26
= 0 = 1 0 1 0 1 = 1 1 1 = 1 0 1 0 = 0 = 1 1 1 = 1 1 = 0 1 = 0 = = = 0 1 0 1 1 =
–   Shredder 102754+22
−22
(−37)18 − 12
(+14−8=8)
60.0%
18.0 / 30
99.8%
+32
0 1 = 1 0 0 1 = 1 = 0 1 = = 1 1 1 1 0 1 1 0 = 1 = 1 0 = 1 0
–   Hiarcs X54 Hypermodern 32-bit2749+21
−21
(−42)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+138
1 1 1 0 1 = = 1
–   Hiarcs X50 Hypermodern2742+27
−27
(−49)5 − 3
(+4−2=2)
62.5%
5.0 / 8
99.9%
+38
1 1 = = 0 1 0 1
–   Junior 10.12741+41
−41
(−50)12 − 8
(+10−6=4)
60.0%
12.0 / 20
98.8%
+23
0 0 0 1 = = 1 0 = = 1 1 0 1 0 1 1 1 1 1
–   Zap!Chess Zanzibar 32-bit2741+38
−38
(−50)9 − 11
(+5−7=8)
45.0%
9.0 / 20
99.2%
−81
0 0 = = 1 = = 0 = = 0 1 1 = 0 1 = 1 0 0
–   Strelka 1.0b 32-bit2738+17
−17
(−53)39 − 25
(+23−9=32)
60.9%
39.0 / 64
100.0%
+11
= 1 = = = 0 = = 0 = 0 0 = 1 1 = 1 = = = 1 = 1 = 1 0 = 1 0 = = 1 = 1 1 1 1 = 1 0 1 = = 1 = 1 1 0 = = 0 1 = 1 1 = = = 1 = = = 1 =
–   Junior 102738+22
−22
(−53)16 − 13
(+12−9=8)
55.2%
16.0 / 29
100.0%
−16
= 1 1 1 0 = 1 = 0 0 1 0 = 0 0 1 = 1 1 0 = 1 1 0 = = 1 0 1
–   Spike 1.2 Turin2731+6
−6
(−60)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
100.0%
+6
1 1 = = 0 0 0 = = = = 1 0 1 0 = = 1 1 = 1 = = = 1 = 0 1 1 1 1 1
–   Ktulu 82725+14
−14
(−66)18.5 − 9.5
(+16−7=5)
66.1%
18.5 / 28
100.0%
+55
1 1 1 1 1 1 = = 1 = 1 0 0 0 = 1 1 1 0 1 = 1 1 0 0 1 0 1
–   Chess Tiger 2007.12712+7
−8
(−79)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+34
= = 1 1 = 1 = 1 1 1 = = 0 0 1 1 1 1 = 0
–   Chess Tiger 20072700+11
−10
(−91)46 − 16
(+38−8=16)
74.2%
46.0 / 62
100.0%
+84
= 1 0 = = = 1 = 1 1 1 = 1 0 1 0 1 = 1 1 = 1 1 0 0 = 1 1 = 1 0 = = 1 1 1 1 1 1 0 1 = 1 = 1 1 1 1 1 1 = 1 1 1 1 0 1 1 1 = 1 1
–   Hiarcs 10 Hypermodern2700+27
−27
(−91)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
−7
= 0 1 1 0 1 = 1
–   Naum 2.0 32-bit2699+8
−8
(−92)23.5 − 16.5
(+15−8=17)
58.8%
23.5 / 40
100.0%
−34
= 0 = = = 1 = = 0 = = 1 = 1 = 0 = 1 1 1 = 1 = = 0 0 1 1 1 1 1 = = 1 1 = 1 0 0 0
–   Bison 9.11 32-bit2698+27
−27
(−93)66 − 33
(+49−16=34)
66.7%
66.0 / 99
100.0%
+16
0 0 0 1 = = 1 1 = = = = 1 = = 1 = 1 0 0 0 1 1 1 1 = = 1 = 1 = 1 = = = 0 1 = 1 1 1 1 1 0 1 1 = 1 1 = 1 1 = 1 = 1 = 1 0 1 = 0 = 1 = = 0 1 = 0 1 1 1 1 1 1 = 1 0 1 = 1 1 = 1 = 1 0 1 = = 1 1 = 1 0 1 0 1
–   Naum 2.0 64-bit2693+11
−11
(−98)17 − 15
(+10−8=14)
53.1%
17.0 / 32
100.0%
−78
= 0 1 0 1 = = 1 1 = 1 = 1 1 = 0 = = 1 = = 0 1 = 0 1 = 0 = = 0 0
–   Delfi 5.42680+8
−7
(−111)33.5 − 15.5
(+28−10=11)
68.4%
33.5 / 49
100.0%
+24
= 1 0 = 1 1 1 1 1 1 1 = 1 0 1 1 0 1 1 0 = 1 1 0 1 1 = 0 1 0 1 = 1 0 1 = = = 1 = 0 1 1 = 1 1 0 1 1
–   Booot 4.15.12668+14
−14
(−123)11 − 8
(+9−6=4)
57.9%
11.0 / 19
100.0%
−64
= 1 1 = 0 1 0 0 = = 1 1 0 0 1 0 1 1 1
–   Fritz 82665+32
−31
(−126)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+56
1 = 1 1 = 1 1 0
–   Alaric 7072663+7
−7
(−128)19 − 13
(+13−7=12)
59.4%
19.0 / 32
100.0%
−65
= 1 0 1 1 1 1 = 0 0 = 0 0 = = 1 1 1 0 = 1 1 1 = = 0 1 = = = 1 =
–   Glaurung 1.2.1 32-bit2657+10
−10
(−134)27.5 − 12.5
(+21−6=13)
68.8%
27.5 / 40
100.0%
−6
= 1 1 1 = 1 1 1 1 0 1 0 1 = = 1 0 = = 1 1 = = 1 1 1 1 0 1 0 1 = 1 = = = = 1 1 0
–   Glaurung 1.2.1 64-bit2655+14
−15
(−136)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
−4
= 1 1 1 = 1 = 0 0 1 = 0 1 1 = 1 1 0 1 1 1 1 1 = 1 0 1 1 = = 1 0
–   CM10th Paralyse2654+15
−15
(−137)21.5 − 7.5
(+18−4=7)
74.1%
21.5 / 29
100.0%
+40
= 1 = 1 = = 1 0 0 1 1 = 1 1 1 1 0 1 = 0 1 1 1 1 = 1 1 1 1
–   Scorpio 1.812648+14
−14
(−143)55 − 21
(+41−7=28)
72.4%
55.0 / 76
100.0%
+4
1 0 1 = = 0 = 1 1 = 0 0 = 1 = = 1 1 1 1 1 = = 1 1 1 1 1 = 1 = 0 1 1 = = 1 1 1 = 1 1 1 = 1 = = = = = 1 = 1 1 1 = 1 1 1 1 1 1 0 1 1 1 = 1 = = = 1 = 0 1 =
–   Scorpio 1.92641+13
−13
(−150)64 − 32
(+53−21=22)
66.7%
64.0 / 96
100.0%
−28
1 1 1 = 0 1 0 1 = 0 0 1 1 1 1 1 1 1 0 = = 1 1 1 = 0 1 1 = 0 1 1 1 = 0 1 1 1 0 0 = = 1 0 1 1 = 1 0 1 1 0 = 1 1 1 1 = 1 0 0 = 1 1 0 = 1 1 1 1 = = 1 0 = 1 1 = = 1 1 1 0 1 1 1 0 = 1 1 0 1 = 0 = 1
–   Scorpio 1.912640+12
−12
(−151)46.5 − 17.5
(+38−9=17)
72.7%
46.5 / 64
100.0%
+10
1 = 0 0 = 0 1 1 0 1 = = 1 = 1 1 1 = 1 1 1 0 1 1 1 1 1 1 1 1 = = 0 1 1 = 0 1 0 1 1 = 1 = 0 1 1 1 1 1 1 1 = = = = 1 1 = 1 1 1 = 1
–   Scorpio 1.822637+20
−20
(−154)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
−56
1 1 0 0 1 1 = 1 0 1 0 1 1 = = = 1 = 1 = 1 0 0 1 = 1 1 1 = 0 = 1
–   Scorpio 1.842632+20
−20
(−159)45.5 − 18.5
(+36−9=19)
71.1%
45.5 / 64
100.0%
−12
= 0 1 1 1 1 1 1 0 1 = 1 0 = = 1 1 1 1 1 1 1 1 = 1 1 1 1 = 1 = = 0 = = 1 1 1 0 1 = 1 0 = 0 1 = 1 1 = 1 = = 1 0 1 = = 1 1 1 0 1 =
–   Scorpio 1.82623+15
−14
(−168)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+82
1 = = 1 1 1 1 = 0 1 1 1 1 1 1 1 = = 1 1 1 = 0 = 1 1 1 1 1 1 1 1
–   Alaric 7042617+15
−15
(−174)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−103
0 1 1 1 = 1 = 1 0 1 1 = = 0 = 1 1 = = 0 1 = = = 1 1 = 0 1 0 1 0
–   Delfi 5.12614+12
−12
(−177)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+75
1 1 1 1 = 0 1 1 1 1 1 1 1 = 1 1 = 1 0 1 1 = 1 = 1 1 = 1 1 1 1 =
–   Frenzee 3.0 64-bit2614+14
−14
(−177)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−28
1 = 1 1 1 1 1 = = 1 = 1 1 0 = 1 1 0 1 1 1 = 1 1 1 = = 1 = 0 = 0
–   Slow Chess Blitz WV2.12614+6
−6
(−177)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−29
= 1 1 1 1 = 0 0 = = 0 = 1 1 1 = 1 1 0 1 1 = 0 1 0 1 1 1 1 1 1 1
–   Colossus 2007d2610+12
−12
(−181)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
−87
= 1 1 = 1 1 1 = = = = 0 = = = = = = 1 = 1 1 = = 1 1 1 = 0 1 1 0
–   ProDeo 1.22608+11
−10
(−183)30.5 − 9.5
(+25−4=11)
76.3%
30.5 / 40
100.0%
+4
1 1 1 1 1 1 1 1 1 0 = 0 1 1 1 1 1 = 0 1 0 1 = 1 = 1 1 = 1 = 1 = = 1 1 = = 1 1 =
–   WildCat 72606+10
−10
(−185)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
+49
1 1 1 1 1 = = 1 = 1 0 1 = 1 = 1 1 1 1 1 1 = = 1 1 1 1 1 1 0 = 1
–   Pharaon 3.5.12603+7
−7
(−188)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+115
0 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1 1 = 1 1 0 = 1 1
–   Movei 00.8.4382603+16
−16
(−188)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−59
1 1 0 1 1 1 0 1 = 1 1 1 = 0 1 = = 1 1 0 = 1 0 = 1 = 1 = 1 1 = =
–   Zappa 1.1 64-bit2603+11
−11
(−188)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+85
1 1 1 1 1 0 = 1 1 0 = 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = =
–   List 5.122591+10
−10
(−200)23 − 11
(+18−6=10)
67.6%
23.0 / 34
100.0%
−77
1 1 = 1 0 1 1 1 1 1 1 = 0 = = 0 = 0 0 1 = = 1 1 1 1 = = 1 0 1 = 1 1
–   Ruffian 1.0.52585+9
−9
(−206)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−8
1 1 1 1 = 0 = 0 = 1 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 = = = 1 1 1 =
–   Delfi 5.02576+15
−15
(−215)25.5 − 5.5
(+22−2=7)
82.3%
25.5 / 31
100.0%
+29
1 1 1 1 1 0 1 1 = 1 1 1 0 1 1 = 1 1 = = 1 1 1 1 = = = 1 1 1 1
–   SOS 5.12576+7
−8
(−215)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
+13
1 0 1 1 = 1 1 1 = 0 1 1 = 1 1 1 = 1 0 1 = 1 = 1 1 1 1 1 1 = 1 1
–   Pseudo 0.7c2575+8
−8
(−216)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
+2
1 = 1 1 1 1 1 = 1 1 1 0 0 = 1 0 1 1 1 1 = 1 = 1 0 1 1 1 = 1 1 1
–   Aristarch 4.502566+8
−7
(−225)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−28
1 1 1 = 1 1 0 1 1 1 1 0 0 1 1 = = = 1 = 1 = 1 1 1 1 0 = 1 1 1 1
–   Petir 4.392565+10
−10
(−226)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
−1
= 1 1 1 1 1 = 1 0 1 0 1 0 1 = = 1 1 1 1 1 1 = 1 1 = 1 = 1 1 1 1
–   Colossus 2007a2558+16
−16
(−233)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
0
1 1 1 1 = 1 1 1 1 = 1 1 = = 1 = 1 1 = 1 0 1 1 = 1 1 1 1 1 0 1 =
–   Crafty 21.5 64-bit2543+13
−13
(−248)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−47
= = 1 1 1 0 1 1 1 0 1 1 = 1 = 1 1 = 1 = 1 1 1 1 0 1 0 1 1 1 = 1

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