CCRL 40/40
Downloads and Statistics
November 11, 2017
Testing summary:
Total: 754'213 games
played by 1'962 programs
103027 CPU days (X2 4600+)

White wins: 259'159 (34.4%)
Black wins: 192'263 (25.5%)
Draws: 302'791 (40.1%)
White score: 54.4%

Engine Details

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Show each game results
Rybka 1.0 64-bit (2825+15
−14
)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
–   DiscoCheck 5.2 64-bit2902+18
−18
(+77)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−100
0 = 0 0 1 = 0 0 = 0
–   Rybka 1.2 64-bit2899+19
−19
(+74)10.5 − 21.5
(+3−14=15)
32.8%
10.5 / 32
0.0%
−31
0 0 0 1 0 = 0 = = 0 = = = 0 0 = = = 0 1 0 = = 0 0 = 0 = 0 = = 1
–   Demolito 2017-08-26 64-bit2899+27
−27
(+74)1 − 7
(+1−7=0)
12.5%
1.0 / 8
0.0%
−314
0 0 0 0 0 0 1 0
–   iCE 2.0 64-bit2894+17
−17
(+69)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+65
1 = 0 1 = = = = 0 =
–   Arasan 18.2 64-bit2889+29
−29
(+64)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+22
1 = 1 0 0 = 1 = 0 0
–   Vajolet2 1.44 64-bit2878+31
−31
(+53)6 − 4
(+3−1=6)
60.0%
6.0 / 10
0.1%
+108
0 1 = = = = = = 1 1
–   Amoeba 2.5 64-bit2873+23
−23
(+48)7 − 9
(+4−6=6)
43.8%
7.0 / 16
0.0%
+10
= 0 = 1 = 1 0 1 0 = = 0 0 1 0 =
–   Vajolet2 1.45 64-bit2868+20
−20
(+43)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
0.0%
+214
= 1 1 = 1 1 0 1 1 =
–   Crafty 25.0 64-bit2865+20
−20
(+40)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.1%
+12
0 1 = 1 = 0 = = 0 =
–   Arasan 18.0 64-bit2862+26
−26
(+37)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.7%
−110
= 0 0 = 0 1 0 1 0 0
–   Gaviota 1.0 64-bit2860+13
−14
(+35)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+7
= 0 0 = 1 1 = = = 0
–   EXchess 7.92b 64-bit2857+22
−22
(+32)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.8%
+32
= 0 1 0 = = 1 = = =
–   Rodent 1.7 64-bit2852+19
−19
(+27)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.2%
+85
= 1 1 = 1 0 = 1 = 0
–   Vajolet2 1.28 64-bit2849+23
−23
(+24)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
4.1%
−99
0 0 0 = = 1 0 =
–   Atlas 3.80 64-bit2848+14
−14
(+23)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.3%
+85
= = 1 = = 1 0 1 0 1
–   Andscacs 0.70 64-bit2848+28
−28
(+23)5 − 5
(+2−2=6)
50.0%
5.0 / 10
7.5%
+19
0 = 1 = = = 0 = = 1
–   Arasan 17.5 64-bit2842+25
−25
(+17)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
12.7%
−14
1 = = = 0 1 = 0 0 =
–   Pedone 1.3 64-bit2837+23
−23
(+12)6 − 4
(+4−2=4)
60.0%
6.0 / 10
20.0%
+80
1 0 = 1 = 0 1 1 = =
–   Tornado 8.0 64-bit2836+19
−19
(+11)7 − 3
(+5−1=4)
70.0%
7.0 / 10
17.6%
+143
= 1 1 0 = 1 = = 1 1
–   Fizbo 1.2 64-bit2834+27
−27
(+9)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
27.9%
−77
= 0 = 0 0 = = = 0 1
–   SmarThink 1.50 64-bit2832+24
−24
(+7)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
30.7%
−20
= = = 0 0 = = = 1 =
–   Texel 1.02 64-bit2829+28
−28
(+4)8 − 2
(+8−2=0)
80.0%
8.0 / 10
40.2%
+285
1 1 1 1 1 1 0 1 0 1
–   Pedone 1.2 64-bit2827+26
−26
(+2)6 − 4
(+4−2=4)
60.0%
6.0 / 10
45.8%
+64
0 1 = 1 0 = = = 1 1
–   DisasterArea 1.542823+31
−31
(−2)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
53.5%
+100
1 0 1 1 = = 1 0 1 =
–   The Baron 3.41 64-bit2823+34
−34
(−2)4 − 4
(+2−2=4)
50.0%
4.0 / 8
53.8%
+3
= = = 1 0 1 = 0
–   NirvanaChess 1.5 64-bit2823+29
−29
(−2)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
54.2%
+84
= = 1 1 0 1 = = 1 =
–   Tornado 6.0 64-bit2821+21
−21
(−4)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
62.1%
+33
1 = 0 0 1 1 1 1 0 0
–   SmarThink 1.40 64-bit2820+33
−33
(−5)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
60.1%
+166
0 = 1 = 1 1 1 1 = 1
–   Tornado 7.0 64-bit2817+19
−19
(−8)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
74.1%
−35
= = = = 1 = = 0 0 =
–   NirvanaChess 1.7 64-bit2811+32
−32
(−14)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
77.5%
+30
0 = 0 1 1 1 0 1
–   Zurichess Luzern 64-bit2794+24
−24
(−31)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.5%
+33
= = 1 0 = = = 1 0 1 1 1 1 0 0 1
–   Arasan 17.1 64-bit2792+31
−31
(−33)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
96.7%
−60
0 = = = 1 = = 0 = =
–   Hiarcs 11.12791+15
−15
(−34)15 − 15
(+7−7=16)
50.0%
15.0 / 30
100.0%
−35
0 = 0 = = 0 = = = 1 = = 1 0 = 0 = 1 1 = 0 = = = = 1 1 1 = 0
–   Toga II 1.3.12791+11
−11
(−34)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
100.0%
−24
1 = = = = = 0 = 0 1 = 0 1 0 1 0 1 0 = 0 1 1 = = 1 1 1 0 0 0 = 1
–   Arasan 17.2 64-bit2790+28
−28
(−35)3 − 5
(+1−3=4)
37.5%
3.0 / 8
98.6%
−108
0 0 = = = 1 0 =
–   Bobcat 6.4b 64-bit2788+24
−24
(−37)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.5%
+9
1 0 1 = = =
–   Rodent 1.5 64-bit2786+21
−22
(−39)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
99.8%
−66
= 0 1 1 0 0 = 0 = 1
–   The Baron 3.29 64-bit2786+18
−18
(−39)5 − 5
(+2−2=6)
50.0%
5.0 / 10
100.0%
−39
= 0 = = 0 = 1 = = 1
–   Rybka 1.0 32-bit2785+15
−15
(−40)13 − 14
(+3−4=20)
48.1%
13.0 / 27
100.0%
−51
= = 1 = = = 1 = 0 = = 0 = = = = = = = = 0 0 = = = 1 =
–   Crafty 24.0 64-bit2772+28
−28
(−53)3 − 3
(+2−2=2)
50.0%
3.0 / 6
99.9%
−45
= 0 0 1 = 1
–   Strelka 1.8 32-bit2770+19
−19
(−55)22.5 − 9.5
(+14−1=17)
70.3%
22.5 / 32
100.0%
+62
= 1 1 = 1 = 1 1 1 1 = 1 = 1 1 = = = 0 = 1 = = = 1 = = 1 1 = = =
–   Toga II 1.3.42768+28
−28
(−57)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
+31
1 1 = 1 = 1 = = 0 = 1 1 0 1 = 0 1 = 1 = 0 1 = = 0 1 1 = = 1 = 1
–   Toga II 1.2.1a 32-bit2761+12
−12
(−64)25.5 − 16.5
(+16−7=19)
60.7%
25.5 / 42
100.0%
0
= = 1 1 0 1 0 1 0 1 0 0 = = = 1 = 1 = = = 1 = = 1 = 1 = = = 1 1 = = 1 1 1 = 0 = 0 1
–   Spike 1.2 Turin2746+7
−7
(−79)27 − 15
(+17−5=20)
64.3%
27.0 / 42
100.0%
+6
1 1 = = 1 = = 1 = = 1 1 = = 0 1 0 = = 1 1 = = = = 1 1 1 = 1 = 1 0 1 = = 0 = 1 1 0 =
–   Fritz 92743+14
−14
(−82)34.5 − 25.5
(+25−16=19)
57.5%
34.5 / 60
100.0%
−32
1 1 1 = = 1 1 1 = 1 0 1 0 1 1 = = = = 0 1 1 = 1 0 1 1 1 0 0 1 = 0 0 0 0 = 0 = = 0 = 1 1 = 0 1 0 = = = 1 1 1 = = 1 1 0 0
–   Fruit 2.2.12743+14
−14
(−82)17.5 − 11.5
(+11−5=13)
60.3%
17.5 / 29
100.0%
−17
= = 1 1 1 1 = 0 0 1 = = = = 1 = = 1 1 1 = 1 0 1 = 0 0 = =
–   Hiarcs 102740+16
−16
(−85)38 − 22
(+25−9=26)
63.3%
38.0 / 60
100.0%
−2
1 1 = 1 = = 1 = 1 1 1 0 = 0 1 1 = 1 = = = 0 = = 1 = 1 1 = 1 1 0 = 1 1 0 = = 0 = = = = = = 1 0 = 1 = 1 1 1 0 = 1 1 1 = 0
–   Toga II 1.1a 32-bit2732+17
−17
(−93)16.5 − 9.5
(+12−5=9)
63.5%
16.5 / 26
100.0%
−6
1 = 1 = 0 1 1 = = 1 0 1 1 0 = = = 1 = = 1 1 0 1 1 0
–   Shredder 92726+17
−17
(−99)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−35
1 = 1 0 1 1 0 1 = 0 1 0 1 0 1 = = 0 1 1 1 0 = 0 1 = 1 1 0
–   Hiarcs 10 Hypermodern2718+20
−20
(−107)17 − 12
(+10−5=14)
58.6%
17.0 / 29
100.0%
−53
0 = = = = 1 = 1 = 0 1 0 1 = = 1 1 0 1 = 1 = 1 1 = = 0 = =
–   Naum 2.0 32-bit2698+15
−15
(−127)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
−10
1 0 1 = 1 0 1 = 1 0 = 1 1 1 = 1 = 0 1 1 1 1 = 0 1 0 = 1 1 1 = =
–   Naum 2.0 64-bit2697+23
−23
(−128)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−7
1 1 = = 0 = 0 = 1 = 1 1 1 1 0 = = 1 = 1 = 1 1 = = = 1 1 1 0 1 1
–   Spike 1.12689+15
−15
(−136)22 − 8
(+14−0=16)
73.3%
22.0 / 30
100.0%
+2
= = = 1 1 = 1 = = = = = 1 = = = 1 1 1 = = 1 1 1 1 = 1 1 1 =
–   Chess Tiger 20072682+12
−12
(−143)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−69
0 = 0 = 1 0 1 1 = 1 0 = 1 1 = 1 0 1 1 1 = = 0 = 0 = 0 1 1 1 1 1
–   Junior 92676+17
−17
(−149)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+67
= 1 1 1 1 = 1 = 1 = 1 1 = 1 1 1 = 1 0 1 1 1 1 1 0 1 1 = 1 =
–   Scorpio 1.92669+30
−30
(−156)17.5 − 6.5
(+15−4=5)
72.9%
17.5 / 24
100.0%
+13
1 = 1 1 1 = = 1 1 1 1 1 = = 0 1 0 0 1 1 0 1 1 1
–   Glaurung 1.2.1 64-bit2665+23
−23
(−160)32.5 − 9.5
(+27−4=11)
77.4%
32.5 / 42
100.0%
+40
1 1 1 1 1 1 = = = = 1 1 1 1 = 1 = 1 1 1 = 1 = 1 1 1 = = 0 1 0 1 1 1 1 0 1 1 = 1 1 0
–   SmarThink 1.00 32-bit2665+15
−15
(−160)22.5 − 6.5
(+18−2=9)
77.6%
22.5 / 29
100.0%
+33
1 1 1 1 1 1 1 1 = 1 1 = = = = 1 1 = = 1 = 1 0 1 1 = 1 0 1
–   Ktulu 7.52664+16
−16
(−161)17.5 − 9.5
(+12−4=11)
64.8%
17.5 / 27
100.0%
−69
1 1 1 1 1 = 0 = = = 1 1 = = 0 = = 1 0 1 1 1 = = 1 0 =
–   CM10th Xperience2661+13
−13
(−164)20 − 4
(+16−0=8)
83.3%
20.0 / 24
100.0%
+68
1 = 1 1 1 = = 1 = 1 1 1 1 1 1 = 1 = 1 = 1 = 1 1
–   Glaurung 1.2.1 32-bit2655+16
−17
(−170)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+88
1 1 1 1 = 1 0 1 = = 1 1 1 1 1 1 1 = = 1 1 1 = 1 = 1 1 = 1 1 1 1
–   Spike 1.0a2650+19
−19
(−175)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
0
1 1 1 1 1 = 1 = = 1 1 1 1 0 = 1 = 1 = 1 = = = = 1 0 1 1 1
–   CM10th Magic II2647+16
−16
(−178)19 − 7
(+14−2=10)
73.1%
19.0 / 26
100.0%
−28
1 1 = = = = 0 1 1 1 = 1 = 1 1 1 1 = 1 0 1 = 1 1 = =
–   Scorpio 1.82641+20
−20
(−184)33 − 9
(+28−4=10)
78.6%
33.0 / 42
100.0%
+28
1 1 1 = 1 0 1 = 1 = 1 0 1 1 0 1 = 1 = 1 1 1 1 1 0 1 1 1 1 = 1 = 1 1 1 = = 1 1 = 1 1
–   Slow Chess Blitz WV2.12639+12
−12
(−186)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
+6
1 1 1 1 1 = 1 = = 1 = 1 1 1 1 1 1 1 = = = = = = 1 = = 1 1 1 1 =
–   Ktulu 7.12638+18
−18
(−187)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
−39
0 1 1 = 1 = 1 = 1 1 1 = 1 0 0 1 1 = 1 = 1 1 1 1 0 1 = = 0 1
–   Chess Tiger 152636+17
−17
(−189)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
0
1 = = = 1 1 1 1 = 1 1 1 1 1 = 0 = = = 1 = 1 1 1 1 1 1 1 = =
–   Gandalf 62633+12
−12
(−192)21.5 − 8.5
(+16−3=11)
71.7%
21.5 / 30
100.0%
−46
1 = 1 = 1 = 0 0 = 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 = 1 = = =
–   CM10th Default2632+14
−15
(−193)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
−30
1 = 1 = 1 = 1 1 1 1 0 1 = 1 1 = 1 = = 1 1 = 1 1 1 1 0 = = =
–   Hiarcs 92628+20
−20
(−197)23 − 6
(+20−3=6)
79.3%
23.0 / 29
100.0%
+26
= 1 1 1 1 1 = 1 = 1 0 1 0 0 1 1 1 1 1 = = 1 1 1 1 1 = 1 1
–   WildCat 72625+15
−15
(−200)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+51
1 1 1 = 1 1 1 1 1 = 1 = = 0 1 1 1 1 1 1 1 1 1 = 1 0 1 1 = 1 = 1
–   List 5.122618+18
−18
(−207)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
−104
0 1 1 1 0 1 1 1 1 = 1 1 = = = = = = 1 0 = 1 = 1 = = 1 0 = 1 1 0
–   Zappa 1.1 64-bit2615+18
−18
(−210)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−59
1 0 1 = 1 1 = = = 1 1 1 0 = = = 1 1 1 1 = 0 = = 1 0 1 1 1 1 1 1
–   Pharaon 3.5.12613+13
−13
(−212)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+60
1 1 1 1 1 = 1 = 1 1 1 = 0 1 1 = = = 1 1 1 1 0 1 1 1 1 1 1 1 1 1
–   Naum 1.91 64-bit2609+15
−15
(−216)26.5 − 3.5
(+23−0=7)
88.3%
26.5 / 30
100.0%
+85
1 = 1 1 = 1 1 = 1 1 1 1 1 1 = = 1 1 1 1 1 1 1 1 1 = 1 1 1 =
–   Ruffian 1.0.52608+20
−20
(−217)25 − 7
(+19−1=12)
78.1%
25.0 / 32
100.0%
−34
1 = 1 1 1 = 1 = 1 1 1 = 1 1 1 1 1 = = 1 0 = 1 = 1 1 1 = 1 = = =
–   Chess Tiger 20042595+26
−26
(−230)18 − 7
(+15−4=6)
72.0%
18.0 / 25
100.0%
−71
1 = 1 1 1 1 = = = 1 0 = 1 1 1 = 1 0 1 1 1 1 0 1 0

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 1.0 64-bit
played with current
participants of this list
Represented by
1-2-CPU    184Rybka 4.1 64-bit
All    192Rybka 4 64-bit 4CPU
Free    226nothing
Free 1-2-CPU    186nothing
Free single-CPU    186nothing
Single-CPU    184Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 11, 2017