CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Rybka 4.1 32-bit (3028+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-bit3133+20
−20
(+105)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−2
0 1 = 0 0 1 0 1 = = 0 = 1 0 0 0 0 0 1 0 0 0 1 0 = = = = 0 = 0 =
–   Houdini 2.0c 32-bit3100+14
−13
(+72)34.5 − 53.5
(+16−35=37)
39.2%
34.5 / 88
0.0%
+2
= = 1 1 1 = 0 1 0 = 0 = 1 = = = 0 0 = 0 0 = 0 = 0 0 1 = = 0 = 0 0 0 1 = = 0 0 1 = 1 0 1 = 1 0 1 0 0 = = = 0 0 = 0 = = 0 0 1 1 = 0 1 0 0 = = 1 0 = 0 = = = = 0 0 0 0 0 = = = = =
–   Houdini 1.5a 32-bit3087+13
−12
(+59)13.5 − 20.5
(+5−12=17)
39.7%
13.5 / 34
0.0%
−2
1 0 1 0 = 0 = 0 0 = = 1 0 = 1 = 0 = 0 = = 0 = 1 0 = = = = = = 0 0 =
–   Strelka 5.5 32-bit3085+15
−14
(+57)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
0.0%
+67
= = = = = = 0 1 = 1 0 1 = 0 1 1 = = 0 0 = 1 = = = = = = = =
–   Strelka 5.1 32-bit3079+15
−15
(+51)15 − 25
(+4−14=22)
37.5%
15.0 / 40
0.0%
−22
= = 1 = = = = = = = 0 = 0 = 0 = = 1 1 0 = = 0 0 = = 0 1 0 0 = 0 0 = 0 = = = 0 0
–   Critter 1.4 32-bit3070+13
−13
(+42)19 − 31
(+8−20=22)
38.0%
19.0 / 50
0.0%
−31
0 = = 0 0 = 1 0 0 0 = = 0 = 0 1 1 1 0 = = 0 0 = = 0 1 0 1 0 = = 0 = 1 0 = = = 1 = 0 0 = = 0 0 = = =
–   Critter 1.6 32-bit3066+19
−19
(+38)12 − 19
(+3−10=18)
38.7%
12.0 / 31
0.0%
−28
= = = 1 = 0 = = = 0 = 0 1 1 0 0 0 = = = = 0 = = 0 0 = = = = 0
–   Critter 1.6a 32-bit3066+16
−16
(+38)12.5 − 19.5
(+3−10=19)
39.1%
12.5 / 32
0.0%
−25
1 = = = = = = = 1 = 0 0 0 = 0 = 0 = = = = 0 = = = 0 0 0 = 0 1 =
–   Critter 1.2 32-bit3058+14
−14
(+30)21.5 − 24.5
(+7−10=29)
46.7%
21.5 / 46
0.1%
+12
1 = = 0 = = 0 = = 0 0 = = = = = = 1 0 1 = = = 1 = = 1 0 1 = 0 1 0 0 = = = = = = 0 = = = = =
–   Stockfish 2.2.2 32-bit3048+14
−14
(+20)27 − 23
(+13−9=28)
54.0%
27.0 / 50
1.5%
+41
0 0 = = = = = 1 = = 1 = = 0 1 = 1 = = 0 = = = 1 = = = 0 1 = 0 1 0 = = = 1 0 1 0 = = = = 1 = = 1 1 1
–   Komodo 5 32-bit3045+16
−16
(+17)16.5 − 15.5
(+7−6=19)
51.6%
16.5 / 32
4.4%
+21
0 = 1 = = = = = = = = = 0 = 0 1 0 = = = 0 1 1 = 1 = 1 = 0 1 = =
–   Stockfish 2.3.1 32-bit3038+17
−17
(+10)16 − 16
(+10−10=12)
50.0%
16.0 / 32
18.2%
+11
= 1 0 0 = = 0 0 = = = 1 1 1 0 0 1 1 1 0 = = = = 0 = 1 0 0 1 = 1
–   Komodo 4 32-bit3031+16
−16
(+3)30 − 20
(+14−4=32)
60.0%
30.0 / 50
41.0%
+61
= 1 = = = 1 = = = 1 = 1 = = 1 = = 1 = = = 1 = 0 0 1 1 = = = = = = 1 = = = 0 = 1 1 = = 1 = = 0 = = 1
–   Vitruvius 1.11C 32-bit3028+14
−15
(0)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
51.1%
−67
0 = = = 0 = = = 1 0 0 0 = = 0 = 0 = = 1 = = 0 0 = 1 0 = = =
–   Stockfish 2.1.1 32-bit3025+15
−15
(−3)23.5 − 26.5
(+10−13=27)
47.0%
23.5 / 50
62.4%
−21
1 = = = 0 = 1 0 = 1 1 = 0 0 0 = = 0 0 = = = = 0 1 1 = = = 1 = = = 1 = = 0 = 0 1 0 = 0 = = = 0 = 1 =
–   IvanHoe 9.46h 32-bit3021+13
−14
(−7)23 − 27
(+8−12=30)
46.0%
23.0 / 50
78.6%
−28
= 1 1 1 0 = = 0 = = = 0 = = 1 = 0 = = = 1 = = = 0 1 = 0 = = 1 0 = 0 0 = = = = = = 0 = = = = 0 = 1 0
–   Komodo 3 32-bit3021+14
−14
(−7)21 − 21
(+11−11=20)
50.0%
21.0 / 42
78.6%
−7
0 = = = = = 0 = 0 0 0 1 1 1 0 1 1 = 1 = 1 0 = = 0 = = = 1 1 = 0 = = = 0 1 = = 0 = 1
–   DeepSaros 2.3j 32-bit3019+15
−15
(−9)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
83.8%
−42
1 = = 0 = = 0 0 0 = = = 1 = = = = 0 = 0 0 = 1 1 = 1 0 = 0 = = = = 0 0 1 1 = = = 0 =
–   Critter 1.01 32-bit3018+18
−18
(−10)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
84.3%
−47
1 0 0 1 1 = 0 = 1 0 = = 1 0 = 0 = = = = 0 = 1 = 0 = = 0 = = 0 = = = 0 = 1 = = = = 0
–   Bouquet 1.6 32-bit3015+18
−18
(−13)14.5 − 15.5
(+3−4=23)
48.3%
14.5 / 30
90.0%
−20
= = = 0 = = = 0 1 = 1 1 = = = = = = = = = = = = = 0 = = = 0
–   Stockfish 2.0.1 32-bit3011+16
−16
(−17)19.5 − 18.5
(+6−5=27)
51.3%
19.5 / 38
95.6%
−9
1 0 = = = = = = = 0 1 = 1 0 = = = = = = = = 1 = = = 1 1 0 = = 0 = = = = = =
–   RobboLito 0.21Q 32-bit3011+18
−18
(−17)16 − 14
(+8−6=16)
53.3%
16.0 / 30
94.2%
+2
0 = = = 1 = = 0 1 1 = = = 1 = = 0 = = = = 0 0 = 0 1 = 1 1 1
–   Bouquet 1.5 32-bit3008+17
−18
(−20)15 − 17
(+6−8=18)
46.9%
15.0 / 32
97.0%
−37
= = 1 0 = = = = 0 0 0 = = = = 1 1 1 0 = = 1 1 0 0 = = = = 0 = =
–   Komodo 2.03 32-bit3006+16
−16
(−22)18.5 − 15.5
(+10−7=17)
54.4%
18.5 / 34
98.4%
+5
0 = = 0 = 0 = = = = 1 1 1 0 0 = = = = 1 = 1 = 1 = = 1 0 0 1 = 1 1 =
–   Sting SF 2 32-bit3001+17
−17
(−27)17.5 − 14.5
(+10−7=15)
54.7%
17.5 / 32
99.6%
+1
1 1 = = = 1 1 1 = 1 = = 0 1 = = 1 = 0 = 0 = = 1 0 = = 0 = 0 1 0
–   DeepSaros 3.0 32-bit2997+18
−18
(−31)18 − 14
(+8−4=20)
56.3%
18.0 / 32
99.8%
+4
= = = 1 = = = 1 0 = = = 0 0 0 1 = 1 = = = = = 1 1 1 = = = = 1 =
–   Gull II b2 32-bit2980+18
−18
(−48)20.5 − 11.5
(+11−2=19)
64.1%
20.5 / 32
100.0%
+32
= = 1 = 1 = 1 = = = 1 = 1 = = 1 = = = = = = 1 1 1 = 1 = 0 1 0 =
–   Gull II 32-bit2976+18
−18
(−52)17 − 15
(+5−3=24)
53.1%
17.0 / 32
100.0%
−35
= = = = 1 = = = 1 = = = = 0 = = = 0 = = = = = 0 = = = = 1 1 = 1
–   Hiarcs 142959+10
−10
(−69)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
+33
0 = 1 1 = = = = 1 = 1 = 1 = = = 0 1 = 1 1 = 1 1 1 = = 1 = 1 0 1
–   Fritz 132958+11
−11
(−70)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
−13
1 = 1 1 = = = = = 0 0 = = 1 = = 0 = 1 = = = = 1 = = 1 1 = 1
–   Naum 4.2 32-bit2957+10
−10
(−71)32.5 − 21.5
(+19−8=27)
60.2%
32.5 / 54
100.0%
−9
= = 1 1 = = = 1 1 1 1 = 1 = = = = 1 = = 1 0 = 0 1 0 1 1 1 1 1 = = 1 = = 0 = = = = = = 0 1 = = = 0 0 0 1 1 =
–   Deep Sjeng c't 20102939+10
−10
(−89)38.5 − 19.5
(+26−7=25)
66.4%
38.5 / 58
100.0%
+14
= = = 0 1 = = = 1 = = 1 1 0 1 = 0 = = 1 1 1 = 1 = = = 1 1 = 1 1 1 = 1 1 = = = = 1 0 0 0 1 = 1 1 1 = 0 = 1 1 1 1 1 =
–   Chiron 1.5 32-bit2938+15
−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 1 1 0 1 1 = 0 1 = 1 = = = 1 1 = = 1 = =
–   Chiron 1.1a 32-bit2929+15
−14
(−99)26 − 12
(+16−2=20)
68.4%
26.0 / 38
100.0%
+6
= = 1 1 = = 1 1 1 1 1 1 = = = = 1 = = = 1 = 1 = 0 = 1 1 1 0 = 1 = = = 1 = =
–   Shredder 12 32-bit2928+7
−7
(−100)54 − 26
(+34−6=40)
67.5%
54.0 / 80
100.0%
+3
= = 1 = 1 = 1 = 1 0 = 1 1 0 = = = = 1 1 = 1 = = = = = 1 = 1 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 1 1 =
–   Hannibal 1.3 32-bit2928+17
−17
(−100)18.5 − 11.5
(+9−2=19)
61.7%
18.5 / 30
100.0%
−36
= = 0 1 = = = = = 1 1 = = = = = 0 = 1 1 1 1 = 1 = = = = = 1
–   Komodo 1.3 32-bit2916+16
−16
(−112)29 − 9
(+21−1=16)
76.3%
29.0 / 38
100.0%
+57
1 1 1 1 = = = = = 1 1 1 = 1 1 1 = 1 1 = = 1 = = = 1 = = 1 1 = = 0 1 1 1 1 1
–   Deep Junior 13 32-bit2914+17
−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 Leiden2913+8
−8
(−115)36.5 − 17.5
(+24−5=25)
67.6%
36.5 / 54
100.0%
−6
1 = = = = = 0 = = 0 = 1 = 1 1 1 = = 1 = 1 1 1 1 1 1 1 = = = = 1 1 1 = = = = 1 1 1 = = 1 = 0 0 = 1 1 = 0 1 1
–   Deep Junior 12.5 32-bit2907+15
−16
(−121)28.5 − 13.5
(+20−5=17)
67.9%
28.5 / 42
100.0%
−5
= = 1 1 = 1 = = = 1 = 1 1 1 = 0 = = = = 1 1 1 1 = 1 = = = 1 0 1 1 1 0 = 0 1 1 1 1 0
–   Deep Junior 13.3 32-bit2907+15
−14
(−121)23.5 − 8.5
(+16−1=15)
73.4%
23.5 / 32
100.0%
+23
1 0 1 = 1 = 1 = 1 1 1 = 1 = = 1 = 1 1 = 1 = = 1 = 1 = = = = 1 1
–   Hannibal 1.2 32-bit2904+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 13.22894+10
−11
(−134)33 − 13
(+24−4=18)
71.7%
33.0 / 46
100.0%
+4
1 0 = = 1 = = = 1 1 = 1 = = = 1 = 1 1 0 1 1 = 1 = 1 1 0 = = 1 = 1 1 1 = 1 1 1 1 0 = 1 = 1 1
–   Fritz 122885+11
−11
(−143)26 − 10
(+17−1=18)
72.2%
26.0 / 36
100.0%
−8
= = 1 1 1 = = = = 1 0 = = 1 = 1 = = = = = 1 = = 1 1 1 1 1 1 1 1 1 1 = =
–   Gull 1.0a 32-bit2885+12
−12
(−143)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−16
1 0 1 = = 1 1 0 = 0 = = 1 1 1 = = 1 = 1 1 1 = = 1 1 = 1 1 =
–   Quazar 0.4 32-bit2878+12
−12
(−150)22 − 7
(+16−1=12)
75.9%
22.0 / 29
100.0%
+18
= 1 0 = 1 1 = 1 1 1 = 1 1 1 1 1 = = = = = = = = 1 1 1 1 1
–   Protector 1.4.0 32-bit2877+11
−11
(−151)26 − 8
(+21−3=10)
76.5%
26.0 / 34
100.0%
+37
1 1 0 = 1 = 1 1 = 1 = 1 1 1 1 = 1 = 1 1 1 0 1 1 1 = 1 0 1 = 1 = 1 =
–   Gull 1.2 32-bit2875+12
−12
(−153)33 − 5
(+28−0=10)
86.8%
33.0 / 38
100.0%
+123
= = 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-bit2867+13
−13
(−161)25.5 − 8.5
(+18−1=15)
75.0%
25.5 / 34
100.0%
−5
= = = = 1 1 1 1 1 1 1 1 0 = = 1 = 1 = = 1 = 1 = 1 = 1 = 1 1 = 1 = 1
–   Spark 1.0 32-bit2863+11
−11
(−165)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+26
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-bit2855+10
−10
(−173)24.5 − 5.5
(+19−0=11)
81.7%
24.5 / 30
100.0%
+41
1 = = = = 1 1 = 1 1 = 1 = 1 = 1 1 1 = 1 = = 1 1 1 1 1 1 1 1
–   Booot 5.1.02843+10
−10
(−185)18.5 − 10.5
(+13−5=11)
63.8%
18.5 / 29
100.0%
−94
1 0 0 = = 1 = = = 1 0 = 1 = = 0 1 1 0 1 = 1 1 = 1 1 1 1 =
–   Cyclone xTreme2822+13
−13
(−206)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+34
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-bit2799+12
−12
(−229)23.5 − 6.5
(+21−4=5)
78.3%
23.5 / 30
100.0%
−4
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-bit2779+14
−14
(−249)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+106
1 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 1 1 1 1 1 0 1 1 1 1 1 = 1 1

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021