CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
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 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 1.2 32-bit2864+15
−15
(+73)26.5 − 37.5
(+11−22=31)
41.4%
26.5 / 64
0.0%
+19
–   Rybka 1.1 32-bit2853+21
−21
(+62)19.5 − 42.5
(+5−28=29)
31.5%
19.5 / 62
0.0%
−50
–   Rybka 1.0 64-bit2852+15
−14
(+61)20 − 44
(+8−32=24)
31.3%
20.0 / 64
0.0%
−60
–   Hiarcs 12.12833+13
−13
(+42)9.5 − 10.5
(+7−8=5)
47.5%
9.5 / 20
0.0%
+25
–   Loop 10.32f2813+24
−24
(+22)14.5 − 15.5
(+8−9=13)
48.3%
14.5 / 30
6.0%
+10
–   Hiarcs 11.12803+11
−11
(+12)15 − 17
(+8−10=14)
46.9%
15.0 / 32
8.0%
−9
–   Fruit 2.32783+14
−14
(−8)17 − 15
(+10−8=14)
53.1%
17.0 / 32
81.1%
+11
–   Strelka 1.8 32-bit2782+13
−13
(−9)37.5 − 26.5
(+21−10=33)
58.6%
37.5 / 64
83.4%
+39
–   Loop 12.322779+32
−31
(−12)17.5 − 11.5
(+11−5=13)
60.3%
17.5 / 29
75.8%
+50
–   Bright 0.4a2779+10
−9
(−12)11 − 9
(+9−7=4)
55.0%
11.0 / 20
93.0%
+27
–   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
–   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
–   Shredder 102754+22
−22
(−37)18 − 12
(+14−8=8)
60.0%
18.0 / 30
99.8%
+32
–   Hiarcs X54 Hypermodern 32-bit2749+21
−21
(−42)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+138
–   Hiarcs X50 Hypermodern2743+27
−27
(−48)5 − 3
(+4−2=2)
62.5%
5.0 / 8
99.9%
+39
–   Zap!Chess Zanzibar 32-bit2742+38
−38
(−49)9 − 11
(+5−7=8)
45.0%
9.0 / 20
99.2%
−80
–   Junior 10.12742+41
−41
(−49)12 − 8
(+10−6=4)
60.0%
12.0 / 20
98.8%
+24
–   Strelka 1.0b 32-bit2739+17
−17
(−52)39 − 25
(+23−9=32)
60.9%
39.0 / 64
100.0%
+12
–   Junior 102738+22
−22
(−53)16 − 13
(+12−9=8)
55.2%
16.0 / 29
100.0%
−16
–   Spike 1.2 Turin2731+6
−5
(−60)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
100.0%
+6
–   Ktulu 82725+14
−14
(−66)18.5 − 9.5
(+16−7=5)
66.1%
18.5 / 28
100.0%
+55
–   Chess Tiger 2007.12713+7
−7
(−78)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+35
–   Hiarcs 10 Hypermodern2701+27
−27
(−90)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
−6
–   Naum 2.0 32-bit2700+8
−8
(−91)23.5 − 16.5
(+15−8=17)
58.8%
23.5 / 40
100.0%
−33
–   Chess Tiger 20072700+11
−11
(−91)46 − 16
(+38−8=16)
74.2%
46.0 / 62
100.0%
+84
–   Bison 9.11 32-bit2699+27
−27
(−92)66 − 33
(+49−16=34)
66.7%
66.0 / 99
100.0%
+17
–   Naum 2.0 64-bit2693+11
−11
(−98)17 − 15
(+10−8=14)
53.1%
17.0 / 32
100.0%
−78
–   Delfi 5.42682+7
−7
(−109)33.5 − 15.5
(+28−10=11)
68.4%
33.5 / 49
100.0%
+26
–   Booot 4.15.12668+14
−14
(−123)11 − 8
(+9−6=4)
57.9%
11.0 / 19
100.0%
−64
–   Fritz 82666+32
−31
(−125)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+57
–   Alaric 7072663+7
−7
(−128)19 − 13
(+13−7=12)
59.4%
19.0 / 32
100.0%
−65
–   Glaurung 1.2.1 32-bit2657+10
−10
(−134)27.5 − 12.5
(+21−6=13)
68.8%
27.5 / 40
100.0%
−6
–   Glaurung 1.2.1 64-bit2655+14
−15
(−136)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
−4
–   CM10th Paralyse2655+15
−15
(−136)21.5 − 7.5
(+18−4=7)
74.1%
21.5 / 29
100.0%
+41
–   Scorpio 1.812648+14
−14
(−143)55 − 21
(+41−7=28)
72.4%
55.0 / 76
100.0%
+4
–   Scorpio 1.92641+13
−13
(−150)64 − 32
(+53−21=22)
66.7%
64.0 / 96
100.0%
−28
–   Scorpio 1.912641+12
−12
(−150)46.5 − 17.5
(+38−9=17)
72.7%
46.5 / 64
100.0%
+11
–   Scorpio 1.822638+20
−20
(−153)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
−55
–   Scorpio 1.842633+20
−20
(−158)45.5 − 18.5
(+36−9=19)
71.1%
45.5 / 64
100.0%
−11
–   Scorpio 1.82624+15
−14
(−167)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+83
–   Alaric 7042618+15
−15
(−173)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−102
–   Slow Chess Blitz WV2.12615+6
−6
(−176)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−28
–   Delfi 5.12615+12
−12
(−176)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+76
–   Frenzee 3.0 64-bit2614+14
−14
(−177)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−28
–   Colossus 2007d2611+12
−13
(−180)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
−86
–   ProDeo 1.22608+11
−10
(−183)30.5 − 9.5
(+25−4=11)
76.3%
30.5 / 40
100.0%
+4
–   WildCat 72606+10
−10
(−185)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
+49
–   Zappa 1.1 64-bit2604+11
−11
(−187)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+86
–   Pharaon 3.5.12603+7
−7
(−188)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+115
–   Movei 00.8.4382603+16
−16
(−188)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−59
–   List 5.122591+11
−10
(−200)23 − 11
(+18−6=10)
67.6%
23.0 / 34
100.0%
−77
–   Ruffian 1.0.52585+9
−9
(−206)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−8
–   Delfi 5.02576+15
−15
(−215)25.5 − 5.5
(+22−2=7)
82.3%
25.5 / 31
100.0%
+29
–   Pseudo 0.7c2576+8
−8
(−215)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
+3
–   SOS 5.12573+7
−7
(−218)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
+10
–   Petir 4.392566+10
−10
(−225)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
0
–   Aristarch 4.502566+7
−7
(−225)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−28
–   Colossus 2007a2558+16
−16
(−233)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
0
–   Crafty 21.5 64-bit2543+13
−13
(−248)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−47

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2019