CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Engine Details

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Show each game results
Rybka 3 64-bit (3048+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
–   Arasan 21.4 64-bit3128+17
−17
(+80)11.5 − 20.5
(+2−11=19)
35.9%
11.5 / 32
0.0%
−1
= = 0 = = = 0 = 0 = 0 = = = 0 = = = 0 1 = = 0 = 0 0 = = 0 1 0 =
–   Roc 1.3 64-bit3127+60
−60
(+79)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.6%
−61
= 0
–   Rybka 3 64-bit 4CPU3122+14
−14
(+74)19.5 − 34.5
(+4−19=31)
36.1%
19.5 / 54
0.0%
−3
= = 0 = = = 0 = = = = 1 0 0 = = 1 = = = = = = 0 0 = 0 = 1 = = 0 0 = 0 = 0 0 = 0 0 = 0 0 = = = = = 0 = 0 1 0
–   Rybka 3 Human 64-bit 4CPU3116+36
−35
(+68)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−84
0 = = 0 0 =
–   Houdini 1.5a 64-bit3111+10
−10
(+63)9 − 15
(+3−9=12)
37.5%
9.0 / 24
0.0%
−11
0 = 0 0 = 0 = 1 = = 1 = = = 1 0 = 0 0 = 0 = = 0
–   RubiChess 1.5 64-bit3111+20
−20
(+63)7 − 13
(+3−9=8)
35.0%
7.0 / 20
0.0%
−33
0 = = 0 = = 0 = = 0 0 1 0 1 0 = 0 = 0 1
–   Komodo 4 64-bit3098+11
−11
(+50)25.5 − 36.5
(+6−17=39)
41.1%
25.5 / 62
0.0%
0
= 1 = 0 = 0 = = 1 = 0 = 0 = 0 1 = = = = 0 = = 0 = = = 1 = 0 = = 0 = 1 0 0 = 0 = = = 0 = 0 = = = = = = = 0 = = = = 1 = 0 0 =
–   Komodo 3 64-bit3092+14
−14
(+44)12 − 18
(+3−9=18)
40.0%
12.0 / 30
0.0%
−10
= = = 0 = = 0 0 1 = 0 = = 0 1 = = = = = = 0 0 = 1 = = = 0 0
–   RofChade 2.0 64-bit3083+19
−19
(+35)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
0.1%
−9
= 0 = 0 1 = 0 = 1 = 0 = = = = 0 0 = = 1
–   Critter 1.4 64-bit3081+20
−20
(+33)10.5 − 13.5
(+5−8=11)
43.8%
10.5 / 24
0.2%
−5
0 = = 1 0 = 0 1 = 1 0 1 = = 0 = = = = = 0 1 0 0
–   Critter 1.2 64-bit3081+14
−14
(+33)18.5 − 29.5
(+8−19=21)
38.5%
18.5 / 48
0.0%
−39
= 0 0 = = 1 1 = 0 = = 0 0 0 1 0 0 = = 0 0 1 0 = 0 = 0 0 = = 0 1 = = = = 1 0 0 = 1 = = 1 0 = = 0
–   Rybka 4 64-bit3077+10
−11
(+29)13 − 11
(+5−3=16)
54.2%
13.0 / 24
0.0%
+54
= = = = = 1 0 1 1 = = 0 = 1 = = = 0 = = = 1 = =
–   Stockfish 2.2.2 64-bit3073+20
−20
(+25)11 − 13
(+4−6=14)
45.8%
11.0 / 24
1.6%
+3
= = = = = 0 = 1 = 0 0 1 0 1 1 = = = = 0 = = 0 =
–   Laser 1.5 64-bit3073+15
−15
(+25)6.5 − 13.5
(+1−8=11)
32.5%
6.5 / 20
0.4%
−77
= 1 0 = = 0 0 = = = 0 = 0 = 0 = = 0 0 =
–   Critter 1.01 64-bit3046+23
−23
(−2)12.5 − 11.5
(+6−5=13)
52.1%
12.5 / 24
56.3%
+7
1 = 1 = = = 0 0 0 = 0 1 = 1 0 1 = = 1 = = = = =
–   Naum 4 64-bit 4CPU3043+16
−16
(−5)27.5 − 31.5
(+11−15=33)
46.6%
27.5 / 59
66.9%
−24
= = = = = = = 1 = 1 0 = 1 0 0 = 1 0 = = 0 = = 0 = = 1 = = 1 = 1 = = 0 = 1 0 0 = = = = 1 0 0 = = 1 = 0 = 1 = 0 0 0 = =
–   Hannibal 1.5 64-bit3041+13
−13
(−7)4 − 5
(+2−3=4)
44.4%
4.0 / 9
77.9%
−38
= 1 = 1 0 0 = 0 =
–   Protector 1.8.0 64-bit3040+17
−17
(−8)6.5 − 2.5
(+5−1=3)
72.2%
6.5 / 9
77.3%
+136
= 1 1 1 = 1 = 1 0
–   Sting SF 5 64-bit3040+18
−18
(−8)4 − 4
(+3−3=2)
50.0%
4.0 / 8
74.9%
−8
1 0 1 = = 1 0 0
–   Stockfish 1.9.1 64-bit3035+21
−20
(−13)15 − 9
(+9−3=12)
62.5%
15.0 / 24
84.6%
+59
= = 0 = = = 1 1 0 1 = = 0 1 1 = 1 1 = = 1 1 = =
–   Stockfish 2.0.1 64-bit3031+23
−22
(−17)12 − 12
(+6−6=12)
50.0%
12.0 / 24
90.7%
−17
= = 1 = 0 1 0 1 = = = = = = 1 0 = 0 = 0 1 = 0 1
–   Demolito 2019-07-15 64-bit3028+25
−25
(−20)6 − 4
(+5−3=2)
60.0%
6.0 / 10
91.5%
+54
1 0 0 1 1 = 1 1 = 0
–   Stockfish 1.8 64-bit3028+21
−21
(−20)13.5 − 10.5
(+8−5=11)
56.3%
13.5 / 24
94.8%
+17
0 1 = 0 = = 1 1 = 0 0 = 1 = = = = 1 0 = 1 = 1 1
–   NirvanaChess 2.1c 64-bit3023+23
−23
(−25)4 − 4
(+1−1=6)
50.0%
4.0 / 8
97.1%
−29
= 1 = = = 0 = =
–   Rybka 2.3.2a 64-bit 4CPU3018+13
−13
(−30)37.5 − 32.5
(+16−11=43)
53.6%
37.5 / 70
100.0%
−10
1 = = = 0 = 1 = = = = = = 0 0 1 = = 0 = = 1 1 0 1 1 = = 0 = = 1 0 = = 1 1 1 = = = = = 0 1 = 0 = 0 = = = 0 = = = = = = = = = = 1 = 1 1 = = 1
–   Chiron 2 64-bit3016+13
−13
(−32)5.5 − 2.5
(+3−0=5)
68.8%
5.5 / 8
100.0%
+69
1 = 1 = = = = 1
–   Naum 4.6 64-bit3013+12
−12
(−35)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−77
= 0 = 0 1 = 1 0
–   Texel 1.05 64-bit3010+15
−15
(−38)4.5 − 4.5
(+4−4=1)
50.0%
4.5 / 9
100.0%
−44
1 0 0 = 1 0 0 1 1
–   Stockfish 1.7.1 64-bit3009+22
−22
(−39)32 − 32
(+17−17=30)
50.0%
32.0 / 64
99.9%
−39
0 = 1 1 1 1 = = 0 1 = 0 0 0 = = = 1 0 0 1 1 = = 0 = = 0 = = 1 = = = 1 1 = = = = 1 0 0 = = 0 0 = 0 = = = 1 1 1 1 = = = = 0 1 0 0
–   Naum 4.2 64-bit2977+9
−9
(−71)26 − 26
(+12−12=28)
50.0%
26.0 / 52
100.0%
−69
= 0 = = 1 = 0 = = = = = = = 0 = = = = 1 1 = = = = 1 0 0 1 1 0 1 = = = 0 = 1 0 1 = 1 = 1 0 = = 0 0 1 = 0
–   Zappa Mexico II 64-bit 4CPU2969+10
−10
(−79)32.5 − 19.5
(+22−9=21)
62.5%
32.5 / 52
100.0%
0
0 = 1 0 1 = = = 1 = 1 1 1 0 0 0 0 1 1 1 1 1 = 1 = = = = = = 1 = 0 1 1 0 = 1 = = = 1 = = 1 1 1 1 = = 1 0
–   Naum 3.1 64-bit 4CPU2969+18
−18
(−79)39.5 − 22.5
(+25−8=29)
63.7%
39.5 / 62
100.0%
+1
1 0 = = = 1 = 1 = 1 0 1 0 1 = = = = 1 0 1 = = = = = = 1 1 1 = 0 = 1 1 1 = 1 1 1 1 = = 0 1 1 1 = 1 0 = 1 = = 1 0 = 1 = = = =
–   Stockfish 1.6.3 64-bit2965+20
−20
(−83)30 − 22
(+16−8=28)
57.7%
30.0 / 52
100.0%
−37
= = = 1 1 1 = = = 1 1 0 = = 1 = 1 1 = = 1 = 1 = = 0 1 = 0 0 1 = 0 = 1 1 1 = = 0 = = = = = 0 1 = = = = 0
–   Naum 4 64-bit2956+14
−14
(−92)42 − 26
(+30−14=24)
61.8%
42.0 / 68
100.0%
−14
= = 1 1 = 1 = 0 0 = 0 = 1 1 0 0 0 1 = 1 0 1 1 = = 1 = 0 0 = 1 = = = = 1 = = 1 = = 1 0 1 = 0 1 1 = 1 0 1 1 = 1 1 = 1 1 1 1 0 1 1 0 = 1 1
–   Stockfish 1.6s 64-bit2952+29
−29
(−96)36.5 − 16.5
(+23−3=27)
68.9%
36.5 / 53
100.0%
+14
= 1 1 = 1 = 1 = 1 = = = 1 = 1 1 = 1 = = 0 = 1 1 = = = 1 0 = 1 = = 1 0 1 = 1 1 1 = 1 = = = 1 = 1 1 = 1 = =
–   Naum 4.1 64-bit2951+21
−21
(−97)46.5 − 23.5
(+31−8=31)
66.4%
46.5 / 70
100.0%
+4
= 1 = = 1 1 1 0 1 = = = 1 = = 1 1 1 = 1 0 = 1 = = 1 = 1 1 1 1 1 1 1 = = = 1 0 = 1 = = 1 1 = = 1 = 1 0 1 = = 0 1 1 = = = = = 0 0 0 1 1 1 = =
–   Komodo 1.2 64-bit2947+16
−16
(−101)16.5 − 7.5
(+11−2=11)
68.8%
16.5 / 24
100.0%
+14
= 1 = 1 0 1 = 1 1 = 1 1 = = 0 1 = = 1 = = 1 1 =
–   Deep Shredder 12 64-bit2940+9
−10
(−108)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
+93
1 1 = 1 =
–   Thinker 5.4c Inert 64-bit 4CPU2924+15
−15
(−124)32 − 12
(+25−5=14)
72.7%
32.0 / 44
100.0%
+30
= 1 = 1 1 = 1 = = 1 1 1 1 0 = 1 1 1 = = 1 1 = 0 = = 1 = 1 = 1 1 1 1 1 1 1 0 = 0 0 1 1 1
–   Komodo 1.0 64-bit2922+14
−14
(−126)74 − 34
(+48−8=52)
68.5%
74.0 / 108
100.0%
−13
1 1 1 0 = 1 0 1 = 1 0 1 1 = = 1 = = = 1 1 1 1 1 1 = = = = 1 = 1 = 1 1 1 1 1 = = = = = = 0 1 = 1 = = = 1 = = 1 1 = 0 1 = 1 = = = 1 1 = 1 1 = 1 = = 1 1 1 = = 0 = 1 = 0 1 = = 1 = 1 = = = = 1 1 1 = = 1 = 1 = = 1 0 1 = =
–   Deep Shredder 11 64-bit 4CPU2917+12
−12
(−131)44 − 11
(+37−4=14)
80.0%
44.0 / 55
100.0%
+89
= = 1 1 1 = 1 = 1 = 1 1 1 0 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 0 1 1 1 = 1 1 = 0
–   Deep Sjeng 3.0 64-bit 4CPU2909+22
−22
(−139)16.5 − 6.5
(+13−3=7)
71.7%
16.5 / 23
100.0%
+16
1 1 1 1 1 1 0 = = = 0 0 1 = 1 1 1 1 = 1 = 1 =
–   Toga II 1.4.1SE 4CPU2905+13
−13
(−143)44.5 − 8.5
(+38−2=13)
84.0%
44.5 / 53
100.0%
+113
1 = 1 1 1 1 1 = 1 = 1 1 1 1 1 1 = 1 1 1 0 1 = 1 1 = 1 1 1 1 1 1 = = 1 1 1 = 1 1 = = 1 1 = 1 0 1 1 1 1 1 =
–   Stockfish 1.5.1 64-bit2888+28
−28
(−160)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+30
1 0 1 0 1 1 = 1 = = 1 1 0 = = 1 1 1 = 1 1 1 1 = 1 1 1 1 = 1 = 1
–   Fritz 122887+11
−11
(−161)23 − 12
(+14−3=18)
65.7%
23.0 / 35
100.0%
−69
1 = = 1 = 0 = 0 1 = = = = 1 1 = 1 1 1 1 = = 0 = = 1 1 = 1 = 1 1 = = =
–   Doch 1.2 64-bit2885+26
−26
(−163)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
+9
1 1 = = = 1 1 1 = 1 1 1 1 1 1 1 1 1 0 = = = = = = 1 = = 1 1 = 1
–   Doch 09.980 64-bit2865+25
−25
(−183)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−39
= 1 1 1 = 1 1 1 1 = 1 1 1 = = 1 1 1 = 0 0 1 0 = = 1 0 1 0 1 = 1
–   Thinker 5.4d Inert 64-bit2865+16
−16
(−183)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−100
= = 1
–   Naum 3.1 64-bit2861+18
−18
(−187)38.5 − 8.5
(+31−1=15)
81.9%
38.5 / 47
100.0%
+36
1 1 1 = 1 1 1 1 1 1 = 1 1 0 1 1 1 1 1 = = 1 1 1 = = = = 1 = = 1 = 1 = 1 1 1 = 1 1 = 1 = 1 1 1
–   Thinker 5.4c Inert 64-bit2860+14
−14
(−188)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+5
= = 1 1 1 1 1 1 1 = 1 1 = = = 1 1 = 1 1 1 1 = 1 0 1 = 1 = 1 = 1 0 1
–   Naum 3 64-bit2856+19
−19
(−192)8.5 − 3.5
(+5−0=7)
70.8%
8.5 / 12
100.0%
−75
1 = = = 1 = = 1 = = 1 1
–   Zappa Mexico II 64-bit2855+10
−10
(−193)47.5 − 14.5
(+36−3=23)
76.6%
47.5 / 62
100.0%
−14
= = 0 = = 1 1 = 1 1 1 = 1 1 1 1 = 1 1 = 1 1 1 = 1 = = = 1 0 1 = 1 = 1 1 0 = 1 1 1 = 1 1 1 1 = = 1 1 = = 1 1 1 = 1 = = 1 1 1
–   Fritz 112852+10
−10
(−196)27.5 − 7.5
(+22−2=11)
78.6%
27.5 / 35
100.0%
+3
1 1 1 1 0 = 1 1 1 1 = 1 = = 1 1 1 = 1 = = 1 = 1 = 1 0 1 1 1 = 1 1 = 1
–   Thinker 5.4a Inert 64-bit2851+31
−31
(−197)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+102
= 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 = =
–   Stockfish 1.4 64-bit2849+19
−19
(−199)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−42
0 1 1 1 = = 1 = = 1 = 1 1 1 = 1 1 1 0 = 1 1 1 = 1 1 = = 0 1 1 =
–   Thinker 5.3b Inert 64-bit2843+24
−24
(−205)25.5 − 6.5
(+20−1=11)
79.7%
25.5 / 32
100.0%
−3
= 1 1 1 1 = = = = 1 1 = = 1 1 = 1 1 0 = = 1 1 = 1 1 1 1 1 1 1 1
–   Deep Shredder 11 64-bit2843+15
−15
(−205)50 − 12
(+41−3=18)
80.6%
50.0 / 62
100.0%
+15
1 1 1 1 1 1 1 0 1 = 1 = 1 1 = = 1 1 1 1 1 1 = = 1 1 1 1 = 1 1 0 1 1 1 = 1 1 1 = 1 1 1 = = = 1 1 = = 1 1 1 = 1 1 1 1 0 = = =
–   Critter 0.60 64-bit2841+25
−25
(−207)18.5 − 5.5
(+14−1=9)
77.1%
18.5 / 24
100.0%
−26
1 1 = 1 0 1 1 1 = = = = 1 = 1 1 = 1 = 1 1 1 = 1
–   Deep Sjeng 3.0 64-bit2837+22
−22
(−211)36 − 8
(+30−2=12)
81.8%
36.0 / 44
100.0%
+20
= 1 1 1 1 = = 1 0 1 1 1 1 = 1 1 1 1 1 1 = 1 1 = 1 1 = 1 1 1 = 1 = 1 = 1 1 1 0 = = 1 1 1
–   Spark 0.3 64-bit2836+18
−18
(−212)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
−3
= 1 1 1 1 1 = = 1 1 = = 1 1 1 1 1 = 0 1 1 1 = 1 1 = 1 = 1 = 1 1 =
–   Deep Sjeng WC2008 64-bit2836+13
−13
(−212)26 − 7
(+20−1=12)
78.8%
26.0 / 33
100.0%
−18
= 1 1 1 = = 0 1 = = = = 1 1 1 1 = 1 1 = 1 = 1 1 1 1 = = 1 1 1 1 1
–   Toga II 1.4.1SE2827+12
−12
(−221)35 − 9
(+29−3=12)
79.5%
35.0 / 44
100.0%
−7
1 = = 1 = 1 1 = = = 1 1 1 1 = = 1 1 1 = = 1 1 1 0 1 1 1 = 0 1 1 1 = 0 1 1 1 1 1 1 1 1 1
–   Grapefruit 1.0 32-bit2826+9
−9
(−222)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−9
= 1 1 1 = 1 = 1 1 = = 1 = 1 = = 1 1 = 1 = 1 1 1 = 1 1 1 = 1 1 1
–   Toga II 1.4.1SE62821+23
−23
(−227)39 − 5
(+34−0=10)
88.6%
39.0 / 44
100.0%
+77
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 1 = 1 1 1 = 1 1
–   Onno 1.0 64-bit2819+17
−17
(−229)50 − 7
(+45−2=10)
87.7%
50.0 / 57
100.0%
+84
1 = 1 1 1 1 1 = 1 1 1 0 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 1 = = 1 = 1 1 = 1 1 1 = 0 1
–   Hiarcs 12.12818+11
−11
(−230)25 − 10
(+20−5=10)
71.4%
25.0 / 35
100.0%
−80
= 1 = 1 = 1 1 1 = = 1 0 1 0 0 1 1 0 1 1 1 1 1 1 = = 0 1 = 1 1 1 1 = =
–   Hiarcs 12 Sharpen PV On2813+13
−14
(−235)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
−71
0 1 1 = 1 1 1 = = = 1 = = 1 = 1 1 = 1 = 1 1 = = = 0 1 1 1 1 1 1
–   Onno 1.1.1 64-bit2810+21
−21
(−238)16.5 − 1.5
(+15−0=3)
91.7%
16.5 / 18
100.0%
+123
1 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 = 1
–   Hiarcs 122809+14
−14
(−239)51 − 11
(+42−2=18)
82.3%
51.0 / 62
100.0%
−6
= = 1 1 1 1 = 1 = = 1 1 1 1 0 1 = 1 = 1 0 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 = 1 1
–   Hiarcs Paderborn 20072796+18
−18
(−252)37.5 − 10.5
(+31−4=13)
78.1%
37.5 / 48
100.0%
−49
= 1 1 1 = = 1 0 = = = 1 1 1 1 = = 1 1 = = = = 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 = 0 1 1 1 1 1
–   Glaurung 2.2 64-bit2783+16
−16
(−265)30.5 − 1.5
(+30−1=1)
95.3%
30.5 / 32
100.0%
+258
1 1 1 1 1 1 0 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
–   Bright 0.4a2776+10
−10
(−272)88 − 16
(+75−3=26)
84.6%
88.0 / 104
100.0%
−9
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 1 1 1 = 1 = 1 1 = = 1 = = 1 = 1 1 1 1 = 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 = 1 = 0 1 1 1 1 1 1 1 1 = 1 = = 0 = = 1 1 1 = 1 1 1 = 1 1 1 = = 1 1
–   Glaurung 2.1 64-bit2769+19
−19
(−279)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
−31
= 1 = 1 = 1 1 1 = 1 1 1 = = 1 1 1 1 = 1 1 1 1 1 = 1 = 1 1 1 = 1
–   Thinker 5.3b Passive 64-bit2766+24
−24
(−282)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
−36
1 1 = = 0 = 1 1 = 1 1 1 1 1 = 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 =
–   Crafty 23.0 64-bit 4CPU2759+18
−18
(−289)34.5 − 0.5
(+34−0=1)
98.6%
34.5 / 35
100.0%
+364
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 1 1 1 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on November 8, 2019