CCRL 40/4
Downloads and Statistics
November 16, 2017
Testing summary:
Total: 1'577'904 games
played by 1'862 programs
21074 CPU days (X2 4600+)

White wins: 617'441 (39.1%)
Black wins: 503'303 (31.9%)
Draws: 457'160 (29.0%)
White score: 53.6%

Engine Details

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Rybka 1.0 32-bit (2792+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-bit2864+15
−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-bit2854+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
(+60)20 − 44
(+8−32=24)
31.3%
20.0 / 64
0.0%
−61
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
(+41)9.5 − 10.5
(+7−8=5)
47.5%
9.5 / 20
0.0%
+24
= 1 1 = = 0 1 0 0 1 = 0 0 0 0 = 1 1 1 0
–   Loop 10.32f2813+24
−24
(+21)14.5 − 15.5
(+8−9=13)
48.3%
14.5 / 30
6.1%
+9
1 0 = 1 0 1 = = 0 = = 1 = = 0 0 = 0 1 = 1 0 1 = 0 1 = = = 0
–   Hiarcs 11.12804+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 2.32784+14
−14
(−8)17 − 15
(+10−8=14)
53.1%
17.0 / 32
80.4%
+11
= 0 0 = 0 = 1 0 0 1 1 = = 1 = 0 0 = 1 1 = 1 = 1 0 1 = = 1 = = =
–   Strelka 1.8 32-bit2783+13
−13
(−9)37.5 − 26.5
(+21−10=33)
58.6%
37.5 / 64
84.0%
+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 = = = = =
–   Loop 12.322780+32
−31
(−12)17.5 − 11.5
(+11−5=13)
60.3%
17.5 / 29
75.6%
+50
0 1 = 1 0 0 = 1 = = 1 1 = 1 0 1 1 = = = 1 = 0 1 = = = = 1
–   Bright 0.4a2779+10
−9
(−13)11 − 9
(+9−7=4)
55.0%
11.0 / 20
93.4%
+26
0 1 1 1 0 0 0 = = 0 = 1 1 1 1 0 0 1 = 1
–   Loop 13.6 (Loop 2007) 32-bit2776+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
(−30)23.5 − 16.5
(+17−10=13)
58.8%
23.5 / 40
100.0%
+25
= 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
(−38)18 − 12
(+14−8=8)
60.0%
18.0 / 30
99.8%
+31
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-bit2750+21
−21
(−42)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+138
1 1 1 0 1 = = 1
–   Hiarcs X50 Hypermodern2743+27
−27
(−49)5 − 3
(+4−2=2)
62.5%
5.0 / 8
99.9%
+38
1 1 = = 0 1 0 1
–   Zap!Chess Zanzibar 32-bit2742+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
–   Junior 10.12742+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
–   Junior 102739+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
–   Strelka 1.0b 32-bit2739+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 =
–   Spike 1.2 Turin2731+6
−5
(−61)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
100.0%
+5
1 1 = = 0 0 0 = = = = 1 0 1 0 = = 1 1 = 1 = = = 1 = 0 1 1 1 1 1
–   Ktulu 82725+14
−14
(−67)18.5 − 9.5
(+16−7=5)
66.1%
18.5 / 28
100.0%
+54
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 2007.12713+8
−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 20072701+11
−11
(−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 Hypermodern2701+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-bit2700+8
−8
(−92)23.5 − 16.5
(+15−8=17)
58.8%
23.5 / 40
100.0%
−34
0 = = 1 = 1 = 0 = 1 1 1 = 1 = = 0 0 1 1 1 1 1 = = 1 1 = 1 0 0 0 = 0 = = = 1 = =
–   Bison 9.11 32-bit2699+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-bit2694+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 5.42681+8
−8
(−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 4.15.12669+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 82666+32
−31
(−126)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+56
1 = 1 1 = 1 1 0
–   Alaric 7072664+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-bit2658+10
−9
(−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-bit2656+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 Paralyse2655+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
(−144)55 − 21
(+41−7=28)
72.4%
55.0 / 76
100.0%
+3
= 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 = 1 = 0 0 1 0 1 = = 0 = 1
–   Scorpio 1.92642+13
−13
(−150)64 − 32
(+53−21=22)
66.7%
64.0 / 96
100.0%
−28
0 = 1 1 1 1 = = 1 0 = 1 1 = = 1 1 1 0 1 1 1 0 = 1 1 0 1 = 0 = 1 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
–   Scorpio 1.912641+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 1.822638+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 1.842633+20
−20
(−159)45.5 − 18.5
(+36−9=19)
71.1%
45.5 / 64
100.0%
−12
0 = = 1 1 1 0 1 = 1 0 = 0 1 = 1 1 = 1 = = 1 0 1 = = 1 1 1 0 1 = = 0 1 1 1 1 1 1 0 1 = 1 0 = = 1 1 1 1 1 1 1 1 = 1 1 1 1 = 1 = =
–   Scorpio 1.82624+15
−15
(−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 7042618+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
–   Slow Chess Blitz WV2.12616+6
−6
(−176)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−28
= 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
–   Delfi 5.12615+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-bit2615+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
–   Colossus 2007d2612+13
−13
(−180)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
−86
= 1 1 = 1 1 1 = = = = 0 = = = = = = 1 = 1 1 = = 1 1 1 = 0 1 1 0
–   ProDeo 1.22609+11
−10
(−183)30.5 − 9.5
(+25−4=11)
76.3%
30.5 / 40
100.0%
+4
1 0 = 0 1 1 1 1 1 = 0 1 0 1 = 1 = 1 1 = 1 = 1 = = 1 1 = = 1 1 = 1 1 1 1 1 1 1 1
–   WildCat 72607+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
–   Zappa 1.1 64-bit2604+10
−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 = =
–   Pharaon 3.5.12604+8
−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
(−189)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−60
1 1 0 1 1 1 0 1 = 1 1 1 = 0 1 = = 1 1 0 = 1 0 = 1 = 1 = 1 1 = =
–   List 5.122592+11
−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 1.0.52586+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 5.02577+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 5.12577+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 0.7c2576+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 4.502568+8
−8
(−224)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−27
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
(−227)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
−2
= 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
(−234)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
−1
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-bit2544+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

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 1.0 32-bit
played with current
participants of this list
Represented by
1-2-CPU    313Rybka 4.1 64-bit
32-bit    480Rybka 2.3.2a 32-bit
32-bit 1-2-CPU    480Rybka 2.3.2a 32-bit
32-bit single-CPU    480Rybka 2.3.2a 32-bit
All    293Rybka 4.1 64-bit 4CPU
Free    325Rybka 2.3.2a 64-bit
Free 1-2-CPU    356Rybka 2.3.2a 64-bit
Free 32-bit#22800500itself
Free 32-bit 1-2-CPU#32801500itself
Free 32-bit single-CPU#32801500itself
Free single-CPU    356Rybka 2.3.2a 64-bit
Single-CPU    313Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 16, 2017