CCRL 40/15
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 1'166'106 games
played by 2'690 programs

White wins: 402'287 (34.5%)
Black wins: 297'247 (25.5%)
Draws: 466'572 (40.0%)
White score: 54.5%

Engine Details

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Rybka 4.1 32-bit (3030+12
−12
)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
–   Houdini 3 32-bit3135+20
−20
(+105)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−2
0 0 1 0 0 0 1 0 0 1 = 0 0 1 0 1 = = 0 = 1 0 0 0 = = = = 0 = 0 =
–   Houdini 2.0c 32-bit3102+13
−13
(+72)34.5 − 53.5
(+16−35=37)
39.2%
34.5 / 88
0.0%
+2
0 = 0 0 = = = 1 = = = = 0 0 0 0 = = = = = 0 0 = 0 0 = 0 0 0 0 1 = 1 0 1 = 1 0 1 0 1 0 = 0 = 1 = = = 0 = 0 0 1 = = 0 = 0 0 0 1 = 0 0 1 1 = 0 1 = = 1 1 1 = 0 0 = = = 0 0 = 0 = =
–   Houdini 1.5a 32-bit3091+13
−13
(+61)13.5 − 20.5
(+5−12=17)
39.7%
13.5 / 34
0.0%
0
1 = = 1 0 = 1 = 0 = 0 = = 0 = 1 0 = = = = = = 0 0 = 1 0 0 0 = 0 = 0
–   Strelka 5.5 32-bit3087+15
−15
(+57)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
0.0%
+67
0 1 = 0 1 1 = = 0 0 = 1 = = = = = = = = = = = = = = 0 1 = 1
–   Strelka 5.1 32-bit3081+15
−15
(+51)15 − 25
(+4−14=22)
37.5%
15.0 / 40
0.0%
−22
= = 1 = = = = = = = 0 = 0 = 0 0 0 = = 1 1 0 = = 0 0 = = 0 1 = 0 0 = 0 = = = 0 0
–   Critter 1.4 32-bit3073+14
−14
(+43)19 − 31
(+8−20=22)
38.0%
19.0 / 50
0.0%
−30
= 1 = 0 0 = = = 0 = 0 = = 0 = 0 0 1 1 1 0 = = 0 0 = = 0 0 = 1 0 0 0 1 0 1 0 = = 0 = 1 0 = = 0 = = =
–   Critter 1.6a 32-bit3067+16
−16
(+37)12.5 − 19.5
(+3−10=19)
39.1%
12.5 / 32
0.0%
−26
1 = = = = = = = 1 = 0 0 0 = 0 = 0 = = = = 0 = = = 0 0 0 = 0 1 =
–   Critter 1.6 32-bit3067+19
−19
(+37)12 − 19
(+3−10=18)
38.7%
12.0 / 31
0.0%
−29
0 0 0 = = = = 0 = = 0 0 = = = = 0 = = = 1 = 0 = = = 0 = 0 1 1
–   Critter 1.2 32-bit3058+15
−15
(+28)21.5 − 24.5
(+7−10=29)
46.7%
21.5 / 46
0.1%
+10
= = 0 0 = = 1 = 0 1 0 1 = 0 1 0 0 = = = = = = 0 = = = = = = = = = = = = 1 0 1 = = = 1 = = 0
–   Stockfish 2.2.2 32-bit3050+14
−14
(+20)27 − 23
(+13−9=28)
54.0%
27.0 / 50
1.5%
+41
= = = 1 = = 1 = = 0 = = = 1 = = = 0 1 = = 0 1 = 1 = = = 1 0 1 0 = = = = 0 0 = = 1 = 0 1 0 = = 1 1 1
–   Komodo 5 32-bit3047+16
−16
(+17)16.5 − 15.5
(+7−6=19)
51.6%
16.5 / 32
4.7%
+21
0 = 0 1 0 = 1 = = = = = = = = = 0 = = = 0 1 1 = 1 = 1 = 0 1 = =
–   Stockfish 2.3.1 32-bit3039+17
−17
(+9)16 − 16
(+10−10=12)
50.0%
16.0 / 32
17.9%
+10
0 0 1 1 1 0 = = = = = 1 0 0 = = 0 0 = = = 1 1 1 0 = 1 0 0 1 = 1
–   Komodo 4 32-bit3032+16
−16
(+2)30 − 20
(+14−4=32)
60.0%
30.0 / 50
40.6%
+60
= 1 1 = = 1 = 1 = = = = = 1 = 0 0 1 = 1 = = = 1 = 1 = = 1 = 1 = = = = = = 1 = = = 0 0 = = 1 = 1 = =
–   Vitruvius 1.11C 32-bit3030+15
−14
(0)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
50.6%
−67
0 = = = 0 = = = 1 0 0 0 = = 0 = 0 = = 1 = = 0 0 = 1 0 = = =
–   Stockfish 2.1.1 32-bit3027+16
−16
(−3)23.5 − 26.5
(+10−13=27)
47.0%
23.5 / 50
59.9%
−21
1 = 1 = = 0 = = = 1 0 = 1 = 0 = = = 1 = = = 1 = = 0 = 0 1 0 = = = 0 = = 0 = 1 0 = 1 1 = 0 0 0 = = 0
–   IvanHoe 9.46h 32-bit3023+14
−13
(−7)23 − 27
(+8−12=30)
46.0%
23.0 / 50
78.2%
−28
= 0 = = 1 0 = 0 1 = = = 0 1 = 0 = = = 1 1 1 0 = 0 = = = = = = 0 = = = 0 = = 1 = 0 = = = = = 0 = 1 0
–   Komodo 3 32-bit3022+14
−14
(−8)21 − 21
(+11−11=20)
50.0%
21.0 / 42
80.0%
−8
= 1 1 = 1 0 0 = 0 0 0 1 1 1 0 1 1 = 0 = = = 0 1 = = 0 0 = = = = = 1 = = = 0 = = = 1
–   DeepSaros 2.3j 32-bit3021+15
−15
(−9)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
83.5%
−42
1 = = 0 1 = 1 0 = 1 1 = 1 0 = 0 = = = = 0 0 = = 0 0 0 = = = 1 = = = = 0 = 0 = = 0 =
–   Critter 1.01 32-bit3019+18
−18
(−11)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
84.3%
−48
= 0 = 0 = = 0 = = = 0 = 1 = 1 0 0 1 1 = 0 = 1 0 = = 1 0 = 0 = = = = 0 = 1 = = = 0 =
–   Bouquet 1.6 32-bit3016+18
−18
(−14)14.5 − 15.5
(+3−4=23)
48.3%
14.5 / 30
89.8%
−21
= = = = = = = = = 0 = = = 0 = = 0 = = = 0 1 = 1 1 = = = = =
–   RobboLito 0.21Q 32-bit3013+18
−18
(−17)16 − 14
(+8−6=16)
53.3%
16.0 / 30
94.0%
+2
0 = = = 1 = = 0 1 1 = = = 1 0 = = = = 0 0 = 0 1 = 1 1 1 = =
–   Stockfish 2.0.1 32-bit3012+17
−17
(−18)19.5 − 18.5
(+6−5=27)
51.3%
19.5 / 38
96.0%
−10
= = 0 = = 0 = = 1 0 = = = = = = = 0 1 = 1 0 = = = = = = = = 1 = = = 1 1 = =
–   Bouquet 1.5 32-bit3010+18
−17
(−20)15 − 17
(+6−8=18)
46.9%
15.0 / 32
97.0%
−37
1 1 = = 1 0 = = = = 0 0 0 = = = = 1 0 = = 1 1 0 0 = = = = 0 = =
–   Komodo 2.03 32-bit3007+17
−16
(−23)18.5 − 15.5
(+10−7=17)
54.4%
18.5 / 34
98.8%
+4
= 1 = = 1 0 0 1 = 1 1 = 0 = = 0 = 0 = = = = 1 1 1 0 0 = = = = 1 = 1
–   Sting SF 2 32-bit3003+17
−17
(−27)17.5 − 14.5
(+10−7=15)
54.7%
17.5 / 32
99.6%
+1
0 1 = = 1 1 = = = 1 1 1 = 1 = = 1 = 0 = 0 = = 1 0 = = 0 = 0 1 0
–   DeepSaros 3.0 32-bit2998+18
−18
(−32)18 − 14
(+8−4=20)
56.3%
18.0 / 32
99.8%
+3
= = = 1 = = = 1 0 = = = 0 0 0 1 = 1 = = = = = 1 1 1 = = = = 1 =
–   Gull II b2 32-bit2982+18
−18
(−48)20.5 − 11.5
(+11−2=19)
64.1%
20.5 / 32
100.0%
+32
1 1 = 1 = 0 1 = = 1 = 1 = 1 = = = 1 = 1 = = 1 = = = = = = 1 0 =
–   Gull II 32-bit2978+18
−18
(−52)17 − 15
(+5−3=24)
53.1%
17.0 / 32
100.0%
−35
1 1 = 1 = = = = 1 = = = = 0 = = = = = 0 = = = = = = 1 = = = = 0
–   Hiarcs 142961+10
−10
(−69)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
+33
= = 0 1 = 1 1 = 1 1 1 = = 1 0 = 1 1 = = = = 1 = 1 = 1 = = 1 0 1
–   Fritz 132960+11
−11
(−70)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
−13
= = 1 = = 1 1 = 1 = 0 0 1 = 1 1 = = = = = = 1 = = 0 = 1 = =
–   Naum 4.2 32-bit2958+10
−10
(−72)32.5 − 21.5
(+19−8=27)
60.2%
32.5 / 54
100.0%
−10
1 1 = = 1 = 0 0 = = = 0 1 = = = = 1 1 1 = = 1 = 1 = = = = 1 = = 1 0 0 1 1 1 1 1 = = 1 = = 0 = = = 0 1 0 1 =
–   Deep Sjeng c't 20102941+10
−10
(−89)38.5 − 19.5
(+26−7=25)
66.4%
38.5 / 58
100.0%
+14
= = 0 1 = = = 1 1 = 1 1 0 0 1 = 1 1 1 = = = = 0 1 1 = 0 1 = 0 = = 1 1 1 = 1 = 1 = 1 1 1 = 1 1 = = = = 1 0 = 1 1 1 =
–   Chiron 1.5 32-bit2940+16
−16
(−90)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
−2
1 = 0 = 1 1 = 1 0 = 0 1 0 1 = 1 = = = 1 1 = = 1 1 1 0 1 1 = = =
–   Chiron 1.1a 32-bit2931+14
−15
(−99)26 − 12
(+16−2=20)
68.4%
26.0 / 38
100.0%
+6
1 1 0 = 1 = = = 1 = = = = = = = 1 = 1 = 0 = 1 1 1 = = 1 1 1 1 1 1 = = = = 1
–   Shredder 12 32-bit2929+8
−7
(−101)54 − 26
(+34−6=40)
67.5%
54.0 / 80
100.0%
+2
1 = 1 = = 0 1 = 1 1 = 0 = 0 1 1 1 1 = 0 1 = 1 1 1 1 1 1 = = 1 = = 1 = = 1 = = 1 = 1 0 = 1 1 0 = = = = = 1 = = = = = 1 = 1 1 = = = 1 = = 1 1 1 1 1 = = = 1 = = =
–   Hannibal 1.3 32-bit2929+17
−17
(−101)18.5 − 11.5
(+9−2=19)
61.7%
18.5 / 30
100.0%
−37
= = 0 1 = = = = = 1 1 = = = = = 0 = 1 1 1 1 = 1 = = = = = 1
–   Komodo 1.3 32-bit2917+16
−16
(−113)29 − 9
(+21−1=16)
76.3%
29.0 / 38
100.0%
+56
1 = 1 1 = = 0 1 1 1 1 1 1 = = = = = 1 1 1 = 1 1 1 = 1 1 = = 1 = = = 1 = 1 1
–   Deep Junior 13 32-bit2916+18
−18
(−114)23.5 − 8.5
(+17−2=13)
73.4%
23.5 / 32
100.0%
+37
= 1 = 0 1 1 1 = = 1 1 1 1 = = 1 = 1 = 1 = = 1 1 1 1 = = 1 = 0 1
–   Spike 1.4 Leiden2914+8
−8
(−116)36.5 − 17.5
(+24−5=25)
67.6%
36.5 / 54
100.0%
−7
1 1 1 1 = 1 = 1 1 1 1 1 1 1 = = = = 1 1 1 = = = = = = = = 0 = 1 = = 0 = 1 1 1 = = 0 = 1 1 1 1 = = 1 = 0 0 =
–   Deep Junior 13.3 32-bit2909+14
−15
(−121)23.5 − 8.5
(+16−1=15)
73.4%
23.5 / 32
100.0%
+23
= 1 = 1 1 1 = 1 = = 1 = 1 1 1 0 1 = 1 = = 1 = 1 = = = = 1 1 = 1
–   Deep Junior 12.5 32-bit2909+16
−15
(−121)28.5 − 13.5
(+20−5=17)
67.9%
28.5 / 42
100.0%
−5
1 0 0 = = = = 1 1 1 = 1 = = = 1 = 1 1 1 1 = = = 1 1 1 1 = 1 = = = 1 0 1 1 1 0 = 0 1
–   Hannibal 1.2 32-bit2906+14
−14
(−124)17.5 − 12.5
(+9−4=17)
58.3%
17.5 / 30
100.0%
−77
0 0 = = 1 1 = = = = = = 1 = 0 1 = = = 1 = = 1 = = 1 1 1 0 =
–   Hiarcs 13.22895+11
−10
(−135)33 − 13
(+24−4=18)
71.7%
33.0 / 46
100.0%
+3
1 1 0 = 1 = = = 1 = 1 1 0 1 1 = 1 = 1 1 0 = = 1 = 1 0 = = = 1 1 = = = 1 = 1 1 1 1 = 1 1 1 1
–   Fritz 122886+11
−11
(−144)26 − 10
(+17−1=18)
72.2%
26.0 / 36
100.0%
−9
= = = 1 1 = = = = 1 0 = = 1 = 1 = = = = = 1 = = 1 1 1 1 1 1 1 1 1 1 = 1
–   Gull 1.0a 32-bit2885+12
−12
(−145)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−18
= = 1 1 = 1 1 = 1 0 1 = = 1 1 0 = 0 = = 1 1 1 = = 1 = 1 1 1
–   Quazar 0.4 32-bit2879+12
−12
(−151)22 − 7
(+16−1=12)
75.9%
22.0 / 29
100.0%
+17
= = = 1 1 1 1 1 1 1 = 1 1 1 1 1 = = = = = = 1 0 = 1 1 = 1
–   Protector 1.4.0 32-bit2878+11
−11
(−152)26 − 8
(+21−3=10)
76.5%
26.0 / 34
100.0%
+36
1 = 1 1 = 1 = 1 1 1 1 = 1 = 1 1 1 0 1 1 1 1 0 = 1 = 1 0 1 = 1 = 1 =
–   Gull 1.2 32-bit2876+12
−12
(−154)33 − 5
(+28−0=10)
86.8%
33.0 / 38
100.0%
+122
1 1 1 = 1 = 1 1 1 = 1 1 1 1 = 1 1 1 1 = 1 = = 1 1 1 1 1 1 = 1 1 = 1 1 1 1 =
–   Hannibal 1.1 32-bit2870+13
−13
(−160)25.5 − 8.5
(+18−1=15)
75.0%
25.5 / 34
100.0%
−4
= = = = 1 1 1 1 1 1 1 1 0 1 = 1 1 = 1 = 1 = = 1 = 1 = = 1 = 1 = 1 =
–   Spark 1.0 32-bit2864+11
−11
(−166)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+25
0 1 1 1 1 1 1 1 1 1 = 1 1 1 1 0 = = 1 1 = 0 = = 1 1 = 1 = 1
–   Thinker 5.4d Inert 32-bit2856+10
−10
(−174)24.5 − 5.5
(+19−0=11)
81.7%
24.5 / 30
100.0%
+40
1 = = = = 1 1 = 1 1 = 1 = 1 = 1 1 1 = 1 = = 1 1 1 1 1 1 1 1
–   Booot 5.1.02844+10
−10
(−186)18.5 − 10.5
(+13−5=11)
63.8%
18.5 / 29
100.0%
−95
1 0 0 = = 1 = = = 1 0 = 1 = = 0 1 1 0 1 = 1 1 = 1 1 1 1 =
–   Cyclone xTreme2823+13
−13
(−207)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+33
1 1 1 1 1 1 0 1 1 1 = = 1 = 1 1 1 1 = 0 = = 1 1 1 = 1 1 1 1
–   Hannibal 1.0a 32-bit2800+12
−12
(−230)23.5 − 6.5
(+21−4=5)
78.3%
23.5 / 30
100.0%
−5
1 0 = = 1 1 1 = 1 = 1 1 1 1 1 1 1 0 1 1 1 = 1 1 1 1 0 1 0 1
–   MinkoChess 1.2 32-bit2782+14
−14
(−248)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+107
1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 1 1 1 1 1 0

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Created in 2005-2013 by CCRL team
Last games added on August 1, 2020