CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Rybka 4 64-bit 4CPU#17  (3155+10
−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
–   Stockfish 8 64-bit 4CPU3391+14
−14
(+236)5.5 − 26.5
(+0−21=11)
17.2%
5.5 / 32
0.0%
+8
–   Komodo 10.1 64-bit 4CPU3372+19
−19
(+217)7.5 − 23.5
(+2−18=11)
24.2%
7.5 / 31
0.0%
+44
–   Komodo 10.2 64-bit 4CPU3366+23
−23
(+211)2.5 − 29.5
(+0−27=5)
7.8%
2.5 / 32
0.0%
−162
–   Komodo 10 64-bit 4CPU3356+23
−22
(+201)11 − 39
(+0−28=22)
22.0%
11.0 / 50
0.0%
+23
–   Komodo 9.42 64-bit 4CPU3351+21
−21
(+196)9.5 − 40.5
(+0−31=19)
19.0%
9.5 / 50
0.0%
−13
–   Komodo 9.2 64-bit 4CPU3335+17
−17
(+180)17 − 43
(+2−28=30)
28.3%
17.0 / 60
0.0%
+47
–   Stockfish 7 64-bit 4CPU3335+15
−15
(+180)12 − 38
(+1−27=22)
24.0%
12.0 / 50
0.0%
+15
–   Komodo 9.3 64-bit 4CPU3332+19
−19
(+177)22.5 − 61.5
(+2−41=41)
26.8%
22.5 / 84
0.0%
+35
–   Komodo 9.1 64-bit 4CPU3318+21
−21
(+163)16.5 − 35.5
(+2−21=29)
31.7%
16.5 / 52
0.0%
+56
–   Komodo 9 64-bit 4CPU3317+20
−20
(+162)15 − 47
(+1−33=28)
24.2%
15.0 / 62
0.0%
−1
–   Stockfish 6 64-bit 4CPU3300+14
−14
(+145)10.5 − 31.5
(+1−22=19)
25.0%
10.5 / 42
0.0%
−12
–   Komodo 8 64-bit 4CPU3293+16
−16
(+138)15 − 35
(+0−20=30)
30.0%
15.0 / 50
0.0%
+25
–   Stockfish 5 64-bit 4CPU3277+15
−15
(+122)10.5 − 19.5
(+3−12=15)
35.0%
10.5 / 30
0.0%
+32
–   Houdini 4 64-bit 4CPU3251+10
−10
(+96)15.5 − 36.5
(+5−26=21)
29.8%
15.5 / 52
0.0%
−34
–   Stockfish DD 64-bit 4CPU3242+17
−17
(+87)10.5 − 23.5
(+3−16=15)
30.9%
10.5 / 34
0.0%
−30
–   Houdini 4 Tactical 64-bit 4CPU3239+24
−24
(+84)13.5 − 22.5
(+5−14=17)
37.5%
13.5 / 36
0.0%
+8
–   Houdini 3 64-bit 4CPU3238+13
−13
(+83)9 − 21
(+4−16=10)
30.0%
9.0 / 30
0.0%
−55
–   Komodo TCEC 64-bit 4CPU3228+18
−18
(+73)19.5 − 32.5
(+4−17=31)
37.5%
19.5 / 52
0.0%
0
–   Komodo 6 64-bit 4CPU3218+17
−16
(+63)13 − 21
(+3−11=20)
38.2%
13.0 / 34
0.0%
−5
–   Stockfish 4 64-bit 4CPU3213+17
−16
(+58)6.5 − 23.5
(+1−18=11)
21.7%
6.5 / 30
0.0%
−132
–   Andscacs 0.872 64-bit 4CPU3209+24
−24
(+54)12 − 20
(+2−10=20)
37.5%
12.0 / 32
0.0%
−14
–   Fire 4 64-bit 4CPU3207+13
−13
(+52)19 − 31
(+4−16=30)
38.0%
19.0 / 50
0.0%
−15
–   Houdini 2.0c 64-bit 4CPU3200+16
−16
(+45)38.5 − 61.5
(+15−38=47)
38.5%
38.5 / 100
0.0%
−25
–   Fritz 16 64-bit 4CPU3195+17
−17
(+40)21.5 − 28.5
(+6−13=31)
43.0%
21.5 / 50
0.0%
+2
–   Houdini 1.5a 64-bit 4CPU3193+20
−20
(+38)33 − 49
(+15−31=36)
40.2%
33.0 / 82
0.0%
−20
–   Gull 3 64-bit 4CPU3191+10
−10
(+36)17 − 23
(+7−13=20)
42.5%
17.0 / 40
0.0%
−9
–   Fizbo 1.8 64-bit 4CPU3189+21
−21
(+34)12.5 − 19.5
(+3−10=19)
39.1%
12.5 / 32
0.2%
−28
–   Gull 2.8b 64-bit 4CPU3187+19
−19
(+32)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.2%
+95
–   Equinox 3.20 64-bit 4CPU3186+11
−11
(+31)17.5 − 19.5
(+2−4=31)
47.3%
17.5 / 37
0.0%
+18
–   Equinox 3.30 64-bit 4CPU3171+18
−18
(+16)9 − 12
(+2−5=14)
42.9%
9.0 / 21
6.3%
−26
–   Fritz 15 64-bit 4CPU3171+12
−12
(+16)17 − 19
(+5−7=24)
47.2%
17.0 / 36
2.5%
0
–   Critter 1.6a 64-bit 4CPU3169+8
−8
(+14)31.5 − 36.5
(+11−16=41)
46.3%
31.5 / 68
1.3%
−7
–   Hannibal 1.7 64-bit 4CPU3164+15
−15
(+9)17.5 − 24.5
(+4−11=27)
41.7%
17.5 / 42
15.0%
−34
–   Houdini 3 64-bit3162+13
−13
(+7)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
18.8%
+75
–   NirvanaChess 2.3 64-bit 4CPU3162+18
−18
(+7)13.5 − 18.5
(+2−7=23)
42.2%
13.5 / 32
24.1%
−34
–   Bouquet 1.8 64-bit 4CPU3158+11
−11
(+3)15.5 − 14.5
(+5−4=21)
51.7%
15.5 / 30
34.5%
+12
–   Andscacs 0.86 64-bit 4CPU3154+21
−21
(−1)17 − 13
(+10−6=14)
56.7%
17.0 / 30
51.0%
+37
–   Stockfish 2.2.2 64-bit 4CPU3153+16
−16
(−2)17 − 15
(+7−5=20)
53.1%
17.0 / 32
55.4%
+17
–   Critter 1.2 64-bit 4CPU3152+20
−20
(−3)67.5 − 67.5
(+28−28=79)
50.0%
67.5 / 135
60.4%
−3
–   Stockfish 2.3.1 64-bit 4CPU3149+19
−19
(−6)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
68.9%
+38
–   NirvanaChess 2.2 64-bit 4CPU3148+17
−18
(−7)17.5 − 18.5
(+4−5=27)
48.6%
17.5 / 36
75.1%
−11
–   Protector 1.9.0 64-bit 4CPU3147+16
−16
(−8)19 − 21
(+6−8=26)
47.5%
19.0 / 40
79.7%
−22
–   Alfil 15.7 64-bit 4CPU3145+18
−18
(−10)18 − 14
(+10−6=16)
56.3%
18.0 / 32
82.1%
+25
–   Andscacs 0.85 64-bit 4CPU3142+25
−25
(−13)8.5 − 11.5
(+4−7=9)
42.5%
8.5 / 20
81.5%
−61
–   Chiron 3.01 64-bit 4CPU3138+24
−24
(−17)11 − 9
(+2−0=18)
55.0%
11.0 / 20
88.8%
+6
–   Stockfish 2.0.1 64-bit 4CPU3134+24
−24
(−21)33.5 − 28.5
(+17−12=33)
54.0%
33.5 / 62
94.0%
+3
–   BlackMamba 2.0 64-bit 4CPU3131+15
−15
(−24)18 − 14
(+11−7=14)
56.3%
18.0 / 32
99.5%
+14
–   Rybka 3 64-bit 4CPU3127+14
−14
(−28)35 − 21
(+20−6=30)
62.5%
35.0 / 56
99.9%
+46
–   Stockfish 1.9.1 64-bit 4CPU3116+24
−23
(−39)43 − 33
(+25−15=36)
56.6%
43.0 / 76
99.9%
0
–   Komodo 5 64-bit3113+11
−11
(−42)18.5 − 13.5
(+9−4=19)
57.8%
18.5 / 32
100.0%
+4
–   Stockfish 1.8 64-bit 4CPU3112+20
−20
(−43)39 − 27
(+22−10=34)
59.1%
39.0 / 66
100.0%
+10
–   Stockfish 1.7.1 64-bit 4CPU3109+19
−19
(−46)51.5 − 35.5
(+22−6=59)
59.2%
51.5 / 87
100.0%
+4
–   Gull 2.2 64-bit 4CPU3105+25
−25
(−50)18 − 12
(+8−2=20)
60.0%
18.0 / 30
100.0%
+3
–   NirvanaChess 2.1c 64-bit 4CPU3103+23
−23
(−52)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−119
–   Komodo 4 64-bit3103+11
−11
(−52)48.5 − 32.5
(+27−11=43)
59.9%
48.5 / 81
100.0%
+5
–   Critter 1.01 64-bit 4CPU3098+32
−32
(−57)11.5 − 6.5
(+6−1=11)
63.9%
11.5 / 18
100.0%
+20
–   Critter 0.90 64-bit 4CPU3085+31
−31
(−70)20.5 − 13.5
(+13−6=15)
60.3%
20.5 / 34
100.0%
−6
–   Deep Fritz 14 64-bit 4CPU3080+17
−17
(−75)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
−17
–   Naum 4.2 64-bit 4CPU3067+10
−10
(−88)32 − 25
(+12−5=40)
56.1%
32.0 / 57
100.0%
−55
–   Alfil 15.8 64-bit 4CPU3064+22
−22
(−91)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+4
–   Deep Fritz 13 4CPU3041+16
−16
(−114)23 − 7
(+17−1=12)
76.7%
23.0 / 30
100.0%
+58
–   Critter 0.80 64-bit 4CPU3040+31
−30
(−115)22 − 10
(+12−0=20)
68.8%
22.0 / 32
100.0%
−11
–   Deep Junior 13 64-bit 4CPU3033+16
−16
(−122)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−5
–   Deep Junior 13.3 64-bit 4CPU3025+18
−18
(−130)31.5 − 12.5
(+22−3=19)
71.6%
31.5 / 44
100.0%
+7
–   Deep Shredder 12 64-bit 4CPU3024+10
−10
(−131)43.5 − 12.5
(+31−0=25)
77.7%
43.5 / 56
100.0%
+45
–   Spike 1.4 Leiden 4CPU3023+11
−11
(−132)23.5 − 8.5
(+15−0=17)
73.4%
23.5 / 32
100.0%
+5
–   Zappa Mexico II 64-bit 4CPU2973+10
−10
(−182)40 − 13
(+29−2=22)
75.5%
40.0 / 53
100.0%
−17
–   Komodo 1.2 64-bit2950+16
−16
(−205)52 − 17
(+37−2=30)
75.4%
52.0 / 69
100.0%
−43
–   Spark 0.4 64-bit 4CPU2938+21
−21
(−217)58.5 − 15.5
(+47−4=23)
79.1%
58.5 / 74
100.0%
−12
–   Onno 1.2.70 64-bit 4CPU2938+20
−20
(−217)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−217
–   Thinker 5.4d Inert 64-bit 4CPU2932+23
−23
(−223)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Deep Sjeng WC2008 64-bit 4CPU2930+13
−13
(−225)35.5 − 8.5
(+31−4=9)
80.7%
35.5 / 44
100.0%
+12
–   Thinker 5.4c Inert 64-bit 4CPU2927+15
−15
(−228)65 − 12
(+55−2=20)
84.4%
65.0 / 77
100.0%
+29

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Created in 2005-2013 by CCRL team
Last games added on February 17, 2018