CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Rybka 4 64-bit (3080+11
−11
)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
–   Komodo 11.2 64-bit3325+14
−14
(+245)4 − 24
(+0−20=8)
14.3%
4.0 / 28
0.0%
−16
–   Komodo 10.4 64-bit3308+14
−14
(+228)7 − 45
(+0−38=14)
13.5%
7.0 / 52
0.0%
−47
–   Stockfish 8 64-bit3304+11
−11
(+224)11.5 − 40.5
(+1−30=21)
22.1%
11.5 / 52
0.0%
+41
–   Houdini 5.01 64-bit3303+13
−13
(+223)5 − 47
(+0−42=10)
9.6%
5.0 / 52
0.0%
−113
–   Komodo 10.2 64-bit3293+16
−16
(+213)10.5 − 41.5
(+2−33=17)
20.2%
10.5 / 52
0.0%
+5
–   Komodo 10.3 64-bit3272+16
−16
(+192)12.5 − 39.5
(+1−28=23)
24.0%
12.5 / 52
0.0%
+27
–   Komodo 10.1 64-bit3268+19
−18
(+188)11.5 − 38.5
(+1−28=21)
23.0%
11.5 / 50
0.0%
+14
–   Komodo 10 64-bit3267+19
−18
(+187)11.5 − 38.5
(+3−30=17)
23.0%
11.5 / 50
0.0%
+3
–   Stockfish 7 64-bit3248+13
−13
(+168)9.5 − 40.5
(+0−31=19)
19.0%
9.5 / 50
0.0%
−39
–   Stockfish 6 64-bit3228+15
−15
(+148)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
0
–   Komodo 8 64-bit3207+16
−16
(+127)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−25
–   Fire 6.1 64-bit3206+13
−13
(+126)12.5 − 39.5
(+0−27=25)
24.0%
12.5 / 52
0.0%
−34
–   Fire 5 64-bit3177+13
−13
(+97)14.5 − 37.5
(+3−26=23)
27.9%
14.5 / 52
0.0%
−43
–   Houdini 4 64-bit3169+10
−10
(+89)18 − 37
(+6−25=24)
32.7%
18.0 / 55
0.0%
−20
–   Andscacs 0.92 64-bit3163+14
−15
(+83)18 − 34
(+4−20=28)
34.6%
18.0 / 52
0.0%
−6
–   Houdini 3 64-bit3161+13
−13
(+81)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
0.0%
+117
–   Andscacs 0.921 64-bit3151+14
−14
(+71)19.5 − 32.5
(+9−22=21)
37.5%
19.5 / 52
0.0%
−9
–   Booot 6.2 64-bit3148+12
−11
(+68)7 − 13
(+2−8=10)
35.0%
7.0 / 20
0.0%
−24
–   Fire 4 64-bit3147+11
−11
(+67)24.5 − 31.5
(+8−15=33)
43.8%
24.5 / 56
0.0%
+33
–   Houdini 2.0c 64-bit3126+15
−15
(+46)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.0%
+83
–   Andscacs 0.89 64-bit3122+17
−17
(+42)23.5 − 28.5
(+4−9=39)
45.2%
23.5 / 52
0.0%
+18
–   Roc 0.7 64-bit3122+12
−12
(+42)9 − 11
(+3−5=12)
45.0%
9.0 / 20
0.0%
+10
–   Houdini 1.5a 64-bit3119+11
−12
(+39)20.5 − 23.5
(+11−14=19)
46.6%
20.5 / 44
0.0%
+17
–   Gull 3 64-bit3119+8
−8
(+39)29 − 27
(+10−8=38)
51.8%
29.0 / 56
0.0%
+48
–   Fizbo 1.8 64-bit3117+14
−14
(+37)8.5 − 11.5
(+5−8=7)
42.5%
8.5 / 20
0.0%
−11
–   Andscacs 0.88 64-bit3115+15
−15
(+35)22.5 − 29.5
(+5−12=35)
43.3%
22.5 / 52
0.0%
−1
–   Komodo 5 64-bit3112+11
−11
(+32)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.0%
−47
–   Andscacs 0.872 64-bit3108+14
−14
(+28)22 − 28
(+8−14=28)
44.0%
22.0 / 50
0.1%
−7
–   Strelka 5.5 64-bit3107+7
−7
(+27)24 − 32
(+7−15=34)
42.9%
24.0 / 56
0.0%
−13
–   NirvanaChess 2.4 64-bit3105+11
−12
(+25)26 − 26
(+9−9=34)
50.0%
26.0 / 52
0.1%
+23
–   Critter 1.6a 64-bit3103+8
−8
(+23)26.5 − 37.5
(+6−17=41)
41.4%
26.5 / 64
0.0%
−24
–   Equinox 3.20 64-bit3099+10
−10
(+19)23 − 27
(+6−10=34)
46.0%
23.0 / 50
0.3%
−1
–   Fritz 15 64-bit3099+11
−10
(+19)18.5 − 31.5
(+5−18=27)
37.0%
18.5 / 50
0.4%
−55
–   Fritz 16 64-bit3097+14
−14
(+17)28.5 − 31.5
(+7−10=43)
47.5%
28.5 / 60
2.4%
+3
–   Equinox 3.30 64-bit3088+13
−13
(+8)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
15.4%
−43
–   Critter 1.2 64-bit3084+14
−14
(+4)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
30.9%
+21
–   Critter 1.4 64-bit3084+20
−19
(+4)4 − 4
(+2−2=4)
50.0%
4.0 / 8
34.9%
−1
–   Hannibal 1.7 64-bit3083+11
−11
(+3)37.5 − 32.5
(+16−11=43)
53.6%
37.5 / 70
31.6%
+22
–   Rybka 4.1 64-bit3081+8
−8
(+1)16 − 12
(+6−2=20)
57.1%
16.0 / 28
45.3%
+36
–   Stockfish 2.3.1 64-bit3080+17
−17
(0)6 − 2
(+5−1=2)
75.0%
6.0 / 8
48.2%
+180
–   NirvanaChess 2.3 64-bit3077+13
−13
(−3)43.5 − 38.5
(+22−17=43)
53.0%
43.5 / 82
64.3%
+16
–   Bouquet 1.8 64-bit3077+9
−9
(−3)32.5 − 23.5
(+15−6=35)
58.0%
32.5 / 56
65.4%
+40
–   Stockfish 2.2.2 64-bit3075+19
−19
(−5)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
66.4%
−126
–   Sting SF 4.8.4 64-bit3066+27
−27
(−14)2.5 − 3.5
(+0−1=5)
41.7%
2.5 / 6
82.2%
−51
–   Protector 1.9.0 64-bit3064+10
−10
(−16)28 − 22
(+11−5=34)
56.0%
28.0 / 50
98.5%
+15
–   BlackMamba 2.0 64-bit3060+10
−10
(−20)20.5 − 29.5
(+4−13=33)
41.0%
20.5 / 50
99.8%
−67
–   Alfil 15.7 64-bit3058+14
−13
(−22)28 − 22
(+12−6=32)
56.0%
28.0 / 50
99.5%
+10
–   Stockfish 2.1.1 64-bit3056+15
−15
(−24)24 − 20
(+12−8=24)
54.5%
24.0 / 44
99.4%
+2
–   Komodo 2.03 64-bit3050+30
−30
(−30)8 − 8
(+3−3=10)
50.0%
8.0 / 16
97.0%
−30
–   Rybka 3 64-bit3049+12
−12
(−31)11 − 13
(+3−5=16)
45.8%
11.0 / 24
100.0%
−56
–   Critter 1.01 64-bit3048+23
−23
(−32)14.5 − 13.5
(+7−6=15)
51.8%
14.5 / 28
99.2%
−21
–   Komodo 2.01 64-bit3046+21
−21
(−34)8 − 8
(+2−2=12)
50.0%
8.0 / 16
99.8%
−34
–   Elektro 1.2 64-bit3044+17
−17
(−36)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
100.0%
−193
–   Critter 0.90 64-bit3041+24
−23
(−39)25 − 15
(+18−8=14)
62.5%
25.0 / 40
99.9%
+44
–   Stockfish 1.9.1 64-bit3038+21
−21
(−42)24 − 20
(+17−13=14)
54.5%
24.0 / 44
100.0%
−13
–   Stockfish 2.0.1 64-bit3033+22
−22
(−47)25.5 − 18.5
(+16−9=19)
58.0%
25.5 / 44
100.0%
+1
–   Stockfish 1.8 64-bit3024+24
−24
(−56)14.5 − 9.5
(+9−4=11)
60.4%
14.5 / 24
100.0%
+8
–   Stockfish 1.7.1 64-bit3010+22
−22
(−70)24.5 − 15.5
(+15−6=19)
61.3%
24.5 / 40
100.0%
0
–   Rybka 2.1 64-bit 4CPU3001+31
−30
(−79)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−48
–   Deep Fritz 12 4CPU2987+34
−34
(−93)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Naum 4.2 64-bit2978+9
−9
(−102)40 − 20
(+27−7=26)
66.7%
40.0 / 60
100.0%
0
–   Komodo 1.3 64-bit2976+19
−19
(−104)29 − 15
(+17−3=24)
65.9%
29.0 / 44
100.0%
−13
–   Zappa Mexico II 64-bit 4CPU2971+10
−10
(−109)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−78
–   Stockfish 1.6.3 64-bit2966+20
−20
(−114)18 − 6
(+15−3=6)
75.0%
18.0 / 24
100.0%
+68
–   Critter 0.80 64-bit2966+21
−21
(−114)19.5 − 4.5
(+17−2=5)
81.3%
19.5 / 24
100.0%
+123
–   Fritz 132962+11
−11
(−118)5 − 3
(+3−1=4)
62.5%
5.0 / 8
100.0%
−48
–   Komodo 1.2 64-bit2948+16
−16
(−132)18 − 13
(+11−6=14)
58.1%
18.0 / 31
100.0%
−84
–   Deep Shredder 12 64-bit2942+9
−10
(−138)39.5 − 12.5
(+33−6=13)
76.0%
39.5 / 52
100.0%
+51
–   Shredder 12 32-bit2929+7
−7
(−151)19 − 5
(+14−0=10)
79.2%
19.0 / 24
100.0%
+38
–   Deep Sjeng WC2008 64-bit 4CPU2928+13
−13
(−152)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−121
–   Komodo 1.0 64-bit2922+14
−14
(−158)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+34
–   Rybka 2.2 64-bit2921+29
−29
(−159)18 − 6
(+13−1=10)
75.0%
18.0 / 24
100.0%
+2
–   Gull 1.2 64-bit2920+15
−15
(−160)15 − 5
(+11−1=8)
75.0%
15.0 / 20
100.0%
+2
–   Spike 1.4 Leiden2918+8
−8
(−162)13 − 3
(+10−0=6)
81.3%
13.0 / 16
100.0%
+45
–   Critter 0.70 64-bit2918+28
−27
(−162)18 − 6
(+14−2=8)
75.0%
18.0 / 24
100.0%
+6
–   Gull 0.12a 64-bit2910+31
−31
(−170)21 − 3
(+19−1=4)
87.5%
21.0 / 24
100.0%
+141
–   Gull 1.1 64-bit2908+19
−19
(−172)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+19
–   Protector 1.4.0 64-bit2906+14
−15
(−174)13 − 3
(+10−0=6)
81.3%
13.0 / 16
100.0%
+36
–   Hiarcs 13.22899+11
−11
(−181)19 − 5
(+16−2=6)
79.2%
19.0 / 24
100.0%
+32
–   Spark 1.0 64-bit2894+12
−12
(−186)9.5 − 6.5
(+6−3=7)
59.4%
9.5 / 16
100.0%
−129
–   Bright 0.5c 4CPU2893+23
−23
(−187)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Hiarcs 13.12874+14
−14
(−206)76.5 − 24.5
(+59−7=35)
75.7%
76.5 / 101
100.0%
−31
–   Thinker 5.4c Inert 64-bit2861+14
−14
(−219)33.5 − 6.5
(+27−0=13)
83.8%
33.5 / 40
100.0%
+17
–   Zappa Mexico II 64-bit2857+10
−10
(−223)29.5 − 10.5
(+19−0=21)
73.8%
29.5 / 40
100.0%
−82
–   Deep Sjeng WC2008 64-bit2836+13
−13
(−244)15 − 1
(+14−0=2)
93.8%
15.0 / 16
100.0%
+167
–   Protector 1.3.4 32-bit2824+16
−16
(−256)13 − 3
(+10−0=6)
81.3%
13.0 / 16
100.0%
−45
–   Hiarcs 12.12817+11
−11
(−263)13.5 − 2.5
(+11−0=5)
84.4%
13.5 / 16
100.0%
−15
–   Jonny 4.002781+11
−12
(−299)21.5 − 2.5
(+20−1=3)
89.6%
21.5 / 24
100.0%
+57
–   Spike 1.2 Turin2745+7
−7
(−335)14.5 − 1.5
(+13−0=3)
90.6%
14.5 / 16
100.0%
+6

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