CCRL 40/40
Downloads and Statistics
August 12, 2017
Testing summary:
Total: 732'644 games
played by 1'915 programs
100369 CPU days (X2 4600+)

White wins: 252'033 (34.4%)
Black wins: 187'191 (25.6%)
Draws: 293'420 (40.0%)
White score: 54.4%

Engine Details

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Rybka 1.0 64-bit (2825+15
−15
)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 0 = 0 0 1 =
–   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
–   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-bit2888+29
−29
(+63)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+21
1 = 0 0 1 0 0 = 1 =
–   Vajolet2 1.44 64-bit2878+31
−30
(+53)6 − 4
(+3−1=6)
60.0%
6.0 / 10
0.1%
+108
= = = = 1 1 0 1 = =
–   Amoeba 2.5 64-bit2877+25
−25
(+52)7 − 9
(+4−6=6)
43.8%
7.0 / 16
0.0%
+14
= 0 0 1 0 = = 0 = 1 = 1 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 = 0 1 1 = 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 0 1 = 1 = = 0 =
–   Gaviota 1.0 64-bit2861+14
−14
(+36)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+8
= = = 0 = 0 0 = 1 1
–   Arasan 18.0 64-bit2861+26
−26
(+36)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.9%
−111
0 0 0 = 0 1 0 1 = 0
–   EXchess 7.92b 64-bit2857+22
−22
(+32)5 − 5
(+2−2=6)
50.0%
5.0 / 10
1.0%
+32
1 0 = = 1 = = = = 0
–   Rodent 1.7 64-bit2852+19
−19
(+27)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.4%
+85
0 = 1 = = 1 0 = 1 1
–   Andscacs 0.70 64-bit2848+28
−28
(+23)5 − 5
(+2−2=6)
50.0%
5.0 / 10
8.5%
+19
= = 0 = 1 = 0 = = 1
–   Vajolet2 1.28 64-bit2848+23
−23
(+23)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
5.3%
−100
0 0 0 = = 1 0 =
–   Atlas 3.80 64-bit2847+14
−14
(+22)6 − 4
(+4−2=4)
60.0%
6.0 / 10
2.0%
+84
1 = = 1 = = 0 1 0 1
–   Arasan 17.5 64-bit2841+25
−25
(+16)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
14.2%
−15
= 0 0 = 1 = = = 0 1
–   Pedone 1.3 64-bit2836+23
−23
(+11)6 − 4
(+4−2=4)
60.0%
6.0 / 10
21.6%
+79
= 0 1 0 1 1 = = = 1
–   Tornado 8.0 64-bit2835+21
−21
(+10)7 − 3
(+5−1=4)
70.0%
7.0 / 10
24.3%
+142
= 1 = = = 1 1 0 1 1
–   Fizbo 1.2 64-bit2834+27
−27
(+9)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
29.5%
−77
0 1 = = = 0 = 0 0 =
–   SmarThink 1.50 64-bit2832+24
−24
(+7)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
32.8%
−20
0 = = = 1 = = = = 0
–   Texel 1.02 64-bit2829+28
−28
(+4)8 − 2
(+8−2=0)
80.0%
8.0 / 10
42.1%
+285
0 1 1 1 1 1 1 1 0 1
–   Pedone 1.2 64-bit2826+26
−26
(+1)6 − 4
(+4−2=4)
60.0%
6.0 / 10
48.1%
+63
= = 1 1 0 = 0 1 = 1
–   DisasterArea 1.542823+31
−31
(−2)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
55.3%
+100
1 0 1 0 1 = 1 1 = =
–   NirvanaChess 1.5 64-bit2823+29
−29
(−2)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
56.1%
+84
0 1 = = 1 = = = 1 1
–   Tornado 6.0 64-bit2821+21
−21
(−4)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
64.5%
+33
1 1 1 1 1 = 0 0 0 0
–   SmarThink 1.40 64-bit2820+33
−33
(−5)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
61.9%
+166
1 1 = 1 0 = 1 = 1 1
–   Tornado 7.0 64-bit2818+19
−19
(−7)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
72.7%
−34
= 0 0 = = = = = 1 =
–   NirvanaChess 1.7 64-bit2811+32
−32
(−14)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
79.0%
+30
1 1 0 1 0 = 0 1
–   Arasan 17.1 64-bit2792+31
−31
(−33)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
97.1%
−60
0 = = = 1 = = 0 = =
–   Hiarcs 11.12790+15
−14
(−35)15 − 15
(+7−7=16)
50.0%
15.0 / 30
100.0%
−36
0 = 0 = = 0 = = = 1 = = 1 0 = 0 = 1 1 = 0 = = = = 1 1 1 = 0
–   Toga II 1.3.12790+12
−11
(−35)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
100.0%
−25
1 = = = = = 0 = 0 1 = 0 1 0 1 0 1 0 = 0 1 1 = = 1 1 1 0 0 0 = 1
–   Zurichess Luzern 64-bit2790+25
−25
(−35)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
99.2%
+29
= = = 1 = = 1 0 1 1 1 0 0 1 0 1
–   Arasan 17.2 64-bit2789+28
−28
(−36)3 − 5
(+1−3=4)
37.5%
3.0 / 8
98.7%
−109
0 = = = = 1 0 0
–   Bobcat 6.4b 64-bit2788+24
−24
(−37)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.6%
+9
= = 1 0 1 =
–   Rodent 1.5 64-bit2786+21
−21
(−39)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
99.9%
−66
= 0 1 1 0 0 = 1 = 0
–   The Baron 3.29 64-bit2784+19
−19
(−41)5 − 5
(+2−2=6)
50.0%
5.0 / 10
100.0%
−41
= 1 = 0 = = 0 = 1 =
–   Rybka 1.0 32-bit2784+15
−15
(−41)13 − 14
(+3−4=20)
48.1%
13.0 / 27
100.0%
−52
= = 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
100.0%
−45
= 1 0 1 = 0
–   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 1.3.42767+28
−28
(−58)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
+30
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-bit2760+12
−12
(−65)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 = = 0 1 0 = = 1 1 = = = = 1 1 1 = 1 = 1 0 1 = = 0 = 1 1 0 = 1 1 = = 1 = = 1 = =
–   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 = =
–   Fritz 92742+14
−14
(−83)34.5 − 25.5
(+25−16=19)
57.5%
34.5 / 60
100.0%
−33
1 = 0 0 0 0 = 0 = = 0 = 1 1 = 0 1 0 = = = 1 1 1 = = 1 1 0 0 1 1 1 = = 1 1 1 = 1 0 1 0 1 1 = = = = 0 1 1 = 1 0 1 1 1 0 0
–   Hiarcs 102740+16
−16
(−85)38 − 22
(+25−9=26)
63.3%
38.0 / 60
100.0%
−2
1 0 = 1 1 0 = = 0 = = = = = = 1 0 = 1 = 1 1 1 0 = 1 1 1 = 0 1 1 = 1 = = 1 = 1 1 1 0 = 0 1 1 = 1 = = = 0 = = 1 = 1 1 = 1
–   Toga II 1.1a 32-bit2731+17
−17
(−94)16.5 − 9.5
(+12−5=9)
63.5%
16.5 / 26
100.0%
−7
1 = 1 = 0 1 1 = = 1 0 1 1 0 = = = 1 = = 1 1 0 1 1 0
–   Shredder 92725+17
−17
(−100)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−36
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-bit2697+15
−15
(−128)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
−11
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-bit2696+23
−23
(−129)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−8
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 20072681+12
−13
(−144)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−70
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 1.92668+31
−31
(−157)17.5 − 6.5
(+15−4=5)
72.9%
17.5 / 24
100.0%
+12
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 = = 0 1 0 1 1 1 1 0 1 1 = 1 1 0 1 1 1 1 1 1 = = = =
–   SmarThink 1.00 32-bit2664+15
−15
(−161)22.5 − 6.5
(+18−2=9)
77.6%
22.5 / 29
100.0%
+32
1 1 1 1 1 1 1 1 = 1 1 = = = = 1 1 = = 1 = 1 0 1 1 = 1 0 1
–   Ktulu 7.52663+16
−16
(−162)17.5 − 9.5
(+12−4=11)
64.8%
17.5 / 27
100.0%
−70
1 1 1 1 1 = 0 = = = 1 1 = = 0 = = 1 0 1 1 1 = = 1 0 =
–   CM10th Xperience2660+13
−13
(−165)20 − 4
(+16−0=8)
83.3%
20.0 / 24
100.0%
+67
1 = 1 1 1 = = 1 = 1 1 1 1 1 1 = 1 = 1 = 1 = 1 1
–   Glaurung 1.2.1 32-bit2655+17
−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 1.0a2649+19
−19
(−176)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−1
1 1 1 1 1 = 1 = = 1 1 1 1 0 = 1 = 1 = 1 = = = = 1 0 1 1 1
–   CM10th Magic II2646+16
−16
(−179)19 − 7
(+14−2=10)
73.1%
19.0 / 26
100.0%
−29
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 0 1 1 0 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 =
–   Slow Chess Blitz WV2.12638+12
−12
(−187)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
+5
1 1 1 1 1 = 1 = = 1 = 1 1 1 1 1 1 1 = = = = = = 1 = = 1 1 1 1 =
–   Ktulu 7.12637+18
−18
(−188)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
−40
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 = =
–   CM10th Default2632+15
−14
(−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 = = =
–   Gandalf 62632+12
−12
(−193)21.5 − 8.5
(+16−3=11)
71.7%
21.5 / 30
100.0%
−47
1 = 1 = 1 = 0 0 = 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 = 1 = = =
–   Hiarcs 92628+19
−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 72624+15
−15
(−201)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+50
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-bit2614+18
−18
(−211)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−60
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-bit2608+15
−15
(−217)26.5 − 3.5
(+23−0=7)
88.3%
26.5 / 30
100.0%
+84
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 20042594+26
−26
(−231)18 − 7
(+15−4=6)
72.0%
18.0 / 25
100.0%
−72
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    208Rybka 4.1 64-bit
All    208Rybka 4 64-bit 4CPU
Free    200nothing
Free 1-2-CPU#522840210itself
Free single-CPU#522840210itself
Single-CPU    208Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on August 12, 2017