CCRL 40/15
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 1'237'141 games
played by 2'823 programs

White wins: 424'144 (34.3%)
Black wins: 311'632 (25.2%)
Draws: 501'365 (40.5%)
White score: 54.5%

Engine Details

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Rybka 3 64-bit 4CPU (3117+13
−13
)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
–   RubiChess 1.7.3 64-bit 4CPU3287+20
−19
(+170)6.5 − 25.5
(+2−21=9)
20.3%
6.5 / 32
0.0%
−41
–   Schooner 2.2 64-bit 4CPU3262+26
−26
(+145)2.5 − 13.5
(+0−11=5)
15.6%
2.5 / 16
0.0%
−101
–   Arasan 22.2 64-bit 4CPU3223+34
−34
(+106)2.5 − 9.5
(+1−8=3)
20.8%
2.5 / 12
0.0%
−105
–   Arasan 21.4 64-bit 4CPU3215+25
−25
(+98)4 − 10
(+0−6=8)
28.6%
4.0 / 14
0.0%
−21
–   Schooner 2.1 64-bit 4CPU3211+23
−23
(+94)9 − 17
(+2−10=14)
34.6%
9.0 / 26
0.0%
+1
–   Vajolet2 2.8 64-bit 4CPU3182+28
−28
(+65)10 − 14
(+2−6=16)
41.7%
10.0 / 24
0.0%
+17
–   SlowChess Blitz Classic 1.9 64-bit 4CPU3179+27
−27
(+62)5 − 11
(+0−6=10)
31.3%
5.0 / 16
0.0%
−40
–   Arasan 21.1 64-bit 4CPU3165+27
−27
(+48)6.5 − 7.5
(+1−2=11)
46.4%
6.5 / 14
0.1%
+31
–   Rybka 4 64-bit 4CPU3145+10
−10
(+28)21 − 35
(+6−20=30)
37.5%
21.0 / 56
0.0%
−46
–   Laser 1.5 64-bit 4CPU3141+20
−20
(+24)7.5 − 8.5
(+3−4=9)
46.9%
7.5 / 16
2.6%
+5
–   Texel 1.07 64-bit 4CPU3139+14
−14
(+22)11.5 − 12.5
(+5−6=13)
47.9%
11.5 / 24
1.3%
+10
–   Wasp 3.75 64-bit 4CPU3135+28
−28
(+18)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
11.5%
−24
–   Vajolet2 2.6.1 64-bit 4CPU3134+21
−21
(+17)6.5 − 9.5
(+0−3=13)
40.6%
6.5 / 16
9.3%
−31
–   Igel 2.3.1 64-bit 4CPU3131+27
−27
(+14)7 − 11
(+4−8=6)
38.9%
7.0 / 18
16.9%
−61
–   Sting SF 6 64-bit 4CPU3130+28
−28
(+13)9.5 − 10.5
(+3−4=13)
47.5%
9.5 / 20
19.7%
0
–   Rybka 3 Human 64-bit 4CPU3104+31
−31
(−13)33 − 27
(+13−7=40)
55.0%
33.0 / 60
77.9%
+12
–   Stockfish 1.7.1 64-bit 4CPU3102+19
−19
(−15)65 − 64
(+29−28=72)
50.4%
65.0 / 129
90.8%
−12
–   Naum 4.2 64-bit 4CPU3059+10
−10
(−58)27.5 − 21.5
(+15−9=25)
56.1%
27.5 / 49
100.0%
−23
–   Naum 4.1 64-bit 4CPU3053+27
−26
(−64)33 − 16
(+21−4=24)
67.3%
33.0 / 49
100.0%
+40
–   Rybka 3 64-bit3046+11
−11
(−71)34.5 − 19.5
(+19−4=31)
63.9%
34.5 / 54
100.0%
+6
–   Naum 4 64-bit 4CPU3042+16
−16
(−75)51 − 24
(+34−7=34)
68.0%
51.0 / 75
100.0%
+37
–   Vajolet2 2.2 64-bit 4CPU3040+27
−27
(−77)13.5 − 6.5
(+8−1=11)
67.5%
13.5 / 20
100.0%
+20
–   Stockfish 1.6.3 64-bit 4CPU3036+22
−22
(−81)33.5 − 18.5
(+23−8=21)
64.4%
33.5 / 52
100.0%
+12
–   Rybka 2.3.2a 64-bit 4CPU3016+13
−13
(−101)37.5 − 14.5
(+24−1=27)
72.1%
37.5 / 52
100.0%
+30
–   Deep Shredder 12 64-bit 4CPU3016+10
−10
(−101)29 − 16
(+18−5=22)
64.4%
29.0 / 45
100.0%
−12
–   Deep Fritz 11 4CPU2988+29
−29
(−129)27 − 13
(+17−3=20)
67.5%
27.0 / 40
100.0%
−23
–   Deep Fritz 12 4CPU2982+34
−34
(−135)19 − 5
(+15−1=8)
79.2%
19.0 / 24
100.0%
+65
–   Zappa Mexico II 64-bit 4CPU2967+10
−10
(−150)39.5 − 14.5
(+26−1=27)
73.1%
39.5 / 54
100.0%
−10
–   Naum 3.1 64-bit 4CPU2967+18
−18
(−150)41.5 − 10.5
(+31−0=21)
79.8%
41.5 / 52
100.0%
+45
–   Stockfish 1.4 64-bit 4CPU2946+17
−17
(−171)78 − 22
(+59−3=38)
78.0%
78.0 / 100
100.0%
+15
–   Deep Sjeng WC2008 64-bit 4CPU2924+13
−13
(−193)64 − 19
(+49−4=30)
77.1%
64.0 / 83
100.0%
−10
–   Thinker 5.4c Inert 64-bit 4CPU2922+15
−15
(−195)44.5 − 9.5
(+38−3=13)
82.4%
44.5 / 54
100.0%
+49
–   Komodo 1.0 64-bit2920+14
−14
(−197)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−1
–   Deep Shredder 11 64-bit 4CPU2915+12
−12
(−202)41 − 15
(+28−2=26)
73.2%
41.0 / 56
100.0%
−60
–   Deep Sjeng 3.0 64-bit 4CPU2906+22
−22
(−211)38 − 12
(+30−4=16)
76.0%
38.0 / 50
100.0%
−30
–   Toga II 1.4.1SE 4CPU2903+13
−13
(−214)39.5 − 10.5
(+33−4=13)
79.0%
39.5 / 50
100.0%
−1
–   Thinker 5.4a Inert 64-bit 4CPU2903+23
−23
(−214)35.5 − 6.5
(+31−2=9)
84.5%
35.5 / 42
100.0%
+54
–   Hiarcs 12.1 4CPU2902+15
−15
(−215)25 − 7
(+18−0=14)
78.1%
25.0 / 32
100.0%
−37
–   Bright 0.4a 4CPU2895+15
−15
(−222)38.5 − 7.5
(+33−2=11)
83.7%
38.5 / 46
100.0%
+34
–   Glaurung 2.2 64-bit 4CPU2894+16
−16
(−223)81.5 − 14.5
(+68−1=27)
84.9%
81.5 / 96
100.0%
+33
–   Hiarcs 12 4CPU2892+15
−15
(−225)43 − 9
(+37−3=12)
82.7%
43.0 / 52
100.0%
+24
–   Hiarcs Paderborn 2007 4CPU2889+19
−19
(−228)45 − 13
(+34−2=22)
77.6%
45.0 / 58
100.0%
−44
–   Deep Fritz 10.1 4CPU2886+18
−18
(−231)21 − 9
(+16−4=10)
70.0%
21.0 / 30
100.0%
−98
–   Glaurung 2.1 64-bit 4CPU2867+18
−19
(−250)82 − 12
(+70−0=24)
87.2%
82.0 / 94
100.0%
+33
–   Loop M1-T 64-bit 4CPU2848+12
−12
(−269)36.5 − 9.5
(+28−1=17)
79.3%
36.5 / 46
100.0%
−72
–   Bright 0.3a 4CPU2828+18
−18
(−289)27.5 − 3.5
(+24−0=7)
88.7%
27.5 / 31
100.0%
+18
–   Deep Junior 10 4CPU2802+14
−14
(−315)48 − 4
(+45−1=6)
92.3%
48.0 / 52
100.0%
+79

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Created in 2005-2013 by CCRL team
Last games added on April 17, 2021