CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Engine Details

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Rybka 4 64-bit (3077+11
−10
)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-bit3322+14
−14
(+245)4 − 24
(+0−20=8)
14.3%
4.0 / 28
0.0%
−17
–   Komodo 10.4 64-bit3306+15
−14
(+229)7 − 45
(+0−38=14)
13.5%
7.0 / 52
0.0%
−46
–   Stockfish 8 64-bit3302+11
−11
(+225)11.5 − 40.5
(+1−30=21)
22.1%
11.5 / 52
0.0%
+42
–   Houdini 5.01 64-bit3301+14
−13
(+224)5 − 47
(+0−42=10)
9.6%
5.0 / 52
0.0%
−112
–   Komodo 10.2 64-bit3291+16
−16
(+214)10.5 − 41.5
(+2−33=17)
20.2%
10.5 / 52
0.0%
+6
–   Komodo 10.3 64-bit3270+16
−16
(+193)12.5 − 39.5
(+1−28=23)
24.0%
12.5 / 52
0.0%
+28
–   Komodo 10.1 64-bit3266+19
−18
(+189)11.5 − 38.5
(+1−28=21)
23.0%
11.5 / 50
0.0%
+15
–   Komodo 10 64-bit3262+13
−13
(+185)11.5 − 38.5
(+3−30=17)
23.0%
11.5 / 50
0.0%
+1
–   Stockfish 7 64-bit3245+13
−13
(+168)9.5 − 40.5
(+0−31=19)
19.0%
9.5 / 50
0.0%
−39
–   Stockfish 6 64-bit3226+15
−15
(+149)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
+1
–   Komodo 8 64-bit3205+16
−16
(+128)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−24
–   Fire 6.1 64-bit3205+12
−12
(+128)12.5 − 39.5
(+0−27=25)
24.0%
12.5 / 52
0.0%
−32
–   Fire 5 64-bit3176+13
−13
(+99)14.5 − 37.5
(+3−26=23)
27.9%
14.5 / 52
0.0%
−41
–   Houdini 4 64-bit3168+10
−10
(+91)18 − 37
(+6−25=24)
32.7%
18.0 / 55
0.0%
−18
–   Andscacs 0.92 64-bit3161+15
−14
(+84)18 − 34
(+4−20=28)
34.6%
18.0 / 52
0.0%
−5
–   Houdini 3 64-bit3158+13
−13
(+81)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
0.0%
+117
–   Andscacs 0.921 64-bit3150+13
−13
(+73)19.5 − 32.5
(+9−22=21)
37.5%
19.5 / 52
0.0%
−7
–   Fire 4 64-bit3146+11
−10
(+69)24.5 − 31.5
(+8−15=33)
43.8%
24.5 / 56
0.0%
+35
–   Booot 6.2 64-bit3144+11
−11
(+67)7 − 13
(+2−8=10)
35.0%
7.0 / 20
0.0%
−25
–   Houdini 2.0c 64-bit3124+15
−15
(+47)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.0%
+84
–   Andscacs 0.89 64-bit3121+17
−17
(+44)23.5 − 28.5
(+4−9=39)
45.2%
23.5 / 52
0.0%
+20
–   Gull 3 64-bit3121+7
−7
(+44)29 − 27
(+10−8=38)
51.8%
29.0 / 56
0.0%
+53
–   Roc 0.7 64-bit3116+11
−10
(+39)9 − 11
(+3−5=12)
45.0%
9.0 / 20
0.0%
+7
–   Fizbo 1.8 64-bit3115+14
−14
(+38)8.5 − 11.5
(+5−8=7)
42.5%
8.5 / 20
0.0%
−10
–   Andscacs 0.88 64-bit3113+15
−15
(+36)22.5 − 29.5
(+5−12=35)
43.3%
22.5 / 52
0.0%
0
–   Houdini 1.5a 64-bit3111+10
−10
(+34)20.5 − 23.5
(+11−14=19)
46.6%
20.5 / 44
0.0%
+12
–   Komodo 5 64-bit3109+10
−11
(+32)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.0%
−47
–   Andscacs 0.872 64-bit3106+14
−14
(+29)22 − 28
(+8−14=28)
44.0%
22.0 / 50
0.0%
−6
–   Strelka 5.5 64-bit3104+6
−6
(+27)24 − 32
(+7−15=34)
42.9%
24.0 / 56
0.0%
−13
–   NirvanaChess 2.4 64-bit3102+9
−9
(+25)26 − 26
(+9−9=34)
50.0%
26.0 / 52
0.0%
+23
–   Critter 1.6a 64-bit3101+7
−7
(+24)26.5 − 37.5
(+6−17=41)
41.4%
26.5 / 64
0.0%
−23
–   Fritz 16 64-bit3101+11
−11
(+24)28.5 − 31.5
(+7−10=43)
47.5%
28.5 / 60
0.1%
+10
–   Equinox 3.20 64-bit3097+9
−9
(+20)23 − 27
(+6−10=34)
46.0%
23.0 / 50
0.2%
0
–   Fritz 15 64-bit3095+10
−10
(+18)18.5 − 31.5
(+5−18=27)
37.0%
18.5 / 50
0.5%
−56
–   Equinox 3.30 64-bit3086+13
−13
(+9)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
13.8%
−42
–   Hannibal 1.7 64-bit3081+10
−10
(+4)37.5 − 32.5
(+16−11=43)
53.6%
37.5 / 70
28.2%
+23
–   Critter 1.4 64-bit3081+20
−19
(+4)4 − 4
(+2−2=4)
50.0%
4.0 / 8
35.5%
−1
–   Critter 1.2 64-bit3081+14
−14
(+4)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
33.7%
+21
–   Rybka 4.1 64-bit3078+8
−8
(+1)16 − 12
(+6−2=20)
57.1%
16.0 / 28
43.6%
+36
–   Stockfish 2.3.1 64-bit3078+17
−17
(+1)6 − 2
(+5−1=2)
75.0%
6.0 / 8
47.0%
+181
–   Bouquet 1.8 64-bit3075+8
−9
(−2)32.5 − 23.5
(+15−6=35)
58.0%
32.5 / 56
63.6%
+41
–   NirvanaChess 2.3 64-bit3073+13
−13
(−4)43.5 − 38.5
(+22−17=43)
53.0%
43.5 / 82
70.3%
+15
–   Stockfish 2.2.2 64-bit3073+20
−19
(−4)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
66.3%
−125
–   Sting SF 4.8.4 64-bit3065+27
−27
(−12)2.5 − 3.5
(+0−1=5)
41.7%
2.5 / 6
80.5%
−49
–   Protector 1.9.0 64-bit3059+10
−9
(−18)28 − 22
(+11−5=34)
56.0%
28.0 / 50
99.5%
+13
–   BlackMamba 2.0 64-bit3057+10
−10
(−20)20.5 − 29.5
(+4−13=33)
41.0%
20.5 / 50
99.8%
−67
–   Alfil 15.7 64-bit3057+13
−13
(−20)28 − 22
(+12−6=32)
56.0%
28.0 / 50
99.2%
+12
–   Stockfish 2.1.1 64-bit3053+15
−15
(−24)24 − 20
(+12−8=24)
54.5%
24.0 / 44
99.4%
+2
–   Rybka 3 64-bit3047+11
−12
(−30)11 − 13
(+3−5=16)
45.8%
11.0 / 24
100.0%
−55
–   Komodo 2.03 64-bit3046+28
−28
(−31)8 − 8
(+3−3=10)
50.0%
8.0 / 16
98.0%
−31
–   Critter 1.01 64-bit3045+23
−23
(−32)14.5 − 13.5
(+7−6=15)
51.8%
14.5 / 28
99.2%
−21
–   Komodo 2.01 64-bit3043+21
−21
(−34)8 − 8
(+2−2=12)
50.0%
8.0 / 16
99.8%
−34
–   Elektro 1.2 64-bit3042+17
−17
(−35)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
100.0%
−192
–   Critter 0.90 64-bit3039+23
−23
(−38)25 − 15
(+18−8=14)
62.5%
25.0 / 40
99.8%
+45
–   Stockfish 1.9.1 64-bit3035+20
−20
(−42)24 − 20
(+17−13=14)
54.5%
24.0 / 44
100.0%
−13
–   Stockfish 2.0.1 64-bit3030+22
−22
(−47)25.5 − 18.5
(+16−9=19)
58.0%
25.5 / 44
100.0%
+1
–   Stockfish 1.8 64-bit3028+21
−21
(−49)14.5 − 9.5
(+9−4=11)
60.4%
14.5 / 24
100.0%
+15
–   Stockfish 1.7.1 64-bit3009+22
−22
(−68)24.5 − 15.5
(+15−6=19)
61.3%
24.5 / 40
100.0%
+2
–   Rybka 2.1 64-bit 4CPU2998+29
−29
(−79)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−48
–   Wasp 3.0 64-bit2985+12
−12
(−92)18 − 14
(+9−5=18)
56.3%
18.0 / 32
100.0%
−55
–   Deep Fritz 12 4CPU2985+34
−34
(−92)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Naum 4.2 64-bit2977+9
−9
(−100)40 − 20
(+27−7=26)
66.7%
40.0 / 60
100.0%
+2
–   Komodo 1.3 64-bit2974+19
−19
(−103)29 − 15
(+17−3=24)
65.9%
29.0 / 44
100.0%
−12
–   Zappa Mexico II 64-bit 4CPU2969+10
−10
(−108)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−77
–   Stockfish 1.6.3 64-bit2965+20
−20
(−112)18 − 6
(+15−3=6)
75.0%
18.0 / 24
100.0%
+70
–   Critter 0.80 64-bit2964+21
−21
(−113)19.5 − 4.5
(+17−2=5)
81.3%
19.5 / 24
100.0%
+124
–   Fritz 132961+11
−11
(−116)5 − 3
(+3−1=4)
62.5%
5.0 / 8
100.0%
−46
–   Komodo 1.2 64-bit2946+16
−16
(−131)18 − 13
(+11−6=14)
58.1%
18.0 / 31
100.0%
−83
–   Deep Shredder 12 64-bit2940+9
−9
(−137)39.5 − 12.5
(+33−6=13)
76.0%
39.5 / 52
100.0%
+52
–   Shredder 12 32-bit2930+7
−7
(−147)19 − 5
(+14−0=10)
79.2%
19.0 / 24
100.0%
+42
–   Deep Sjeng WC2008 64-bit 4CPU2926+12
−12
(−151)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−120
–   Komodo 1.0 64-bit2922+14
−14
(−155)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+37
–   Rybka 2.2 64-bit2921+29
−28
(−156)18 − 6
(+13−1=10)
75.0%
18.0 / 24
100.0%
+5
–   Critter 0.70 64-bit2920+27
−27
(−157)18 − 6
(+14−2=8)
75.0%
18.0 / 24
100.0%
+11
–   Gull 1.2 64-bit2919+15
−15
(−158)15 − 5
(+11−1=8)
75.0%
15.0 / 20
100.0%
+4
–   Spike 1.4 Leiden2915+8
−8
(−162)13 − 3
(+10−0=6)
81.3%
13.0 / 16
100.0%
+45
–   Gull 0.12a 64-bit2908+31
−31
(−169)21 − 3
(+19−1=4)
87.5%
21.0 / 24
100.0%
+142
–   Gull 1.1 64-bit2907+19
−19
(−170)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+21
–   Protector 1.4.0 64-bit2901+14
−14
(−176)13 − 3
(+10−0=6)
81.3%
13.0 / 16
100.0%
+34
–   Hiarcs 13.22896+11
−11
(−181)19 − 5
(+16−2=6)
79.2%
19.0 / 24
100.0%
+32
–   Spark 1.0 64-bit2893+12
−12
(−184)9.5 − 6.5
(+6−3=7)
59.4%
9.5 / 16
100.0%
−127
–   Bright 0.5c 4CPU2891+23
−23
(−186)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Hiarcs 13.12875+14
−14
(−202)76.5 − 24.5
(+59−7=35)
75.7%
76.5 / 101
100.0%
−27
–   Thinker 5.4c Inert 64-bit2860+14
−14
(−217)33.5 − 6.5
(+27−0=13)
83.8%
33.5 / 40
100.0%
+19
–   Zappa Mexico II 64-bit2855+10
−10
(−222)29.5 − 10.5
(+19−0=21)
73.8%
29.5 / 40
100.0%
−81
–   Deep Sjeng WC2008 64-bit2836+13
−13
(−241)15 − 1
(+14−0=2)
93.8%
15.0 / 16
100.0%
+170
–   Protector 1.3.4 32-bit2825+15
−15
(−252)13 − 3
(+10−0=6)
81.3%
13.0 / 16
100.0%
−41
–   Hiarcs 12.12818+11
−11
(−259)13.5 − 2.5
(+11−0=5)
84.4%
13.5 / 16
100.0%
−11
–   Jonny 4.002779+11
−11
(−298)21.5 − 2.5
(+20−1=3)
89.6%
21.5 / 24
100.0%
+58
–   Spike 1.2 Turin2746+7
−7
(−331)14.5 − 1.5
(+13−0=3)
90.6%
14.5 / 16
100.0%
+10

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