CCRL 40/40
Downloads and Statistics
April 14, 2018
Testing summary:
Total: 819'589 games
played by 2'137 programs
114281 CPU days (X2 4600+)

White wins: 281'160 (34.3%)
Black wins: 208'166 (25.4%)
Draws: 330'263 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Rybka 1.0 64-bit (2824+14
−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
(+78)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−99
0 = 0 0 1 = 0 0 = 0
–   Rybka 1.2 64-bit2899+19
−19
(+75)10.5 − 21.5
(+3−14=15)
32.8%
10.5 / 32
0.0%
−30
0 0 0 1 0 = 0 = = 0 = = = 0 0 = = = 0 1 0 = = 0 0 = 0 = 0 = = 1
–   iCE 2.0 64-bit2894+17
−17
(+70)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+66
0 = 1 = 0 1 = = = =
–   Demolito 2017-08-26 64-bit2891+20
−20
(+67)1 − 7
(+1−7=0)
12.5%
1.0 / 8
0.0%
−322
0 0 0 0 1 0 0 0
–   Arasan 18.2 64-bit2889+29
−29
(+65)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+23
1 = 0 0 1 = 1 0 0 =
–   Vajolet2 1.44 64-bit2877+31
−31
(+53)6 − 4
(+3−1=6)
60.0%
6.0 / 10
0.1%
+108
= = 1 1 = = 0 1 = =
–   Amoeba 2.5 64-bit2873+23
−23
(+49)7 − 9
(+4−6=6)
43.8%
7.0 / 16
0.0%
+11
= 0 = 1 = 1 0 1 0 = = 0 0 1 0 =
–   Vajolet2 1.45 64-bit2868+20
−20
(+44)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
0.0%
+215
= 1 1 = 1 1 0 1 1 =
–   Scorpio 2.7.9 64-bit2867+25
−25
(+43)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.2%
+37
1 0 0 = 0 = 1 0 1 1
–   Crafty 25.0 64-bit2865+20
−20
(+41)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.1%
+13
= = 0 = 0 1 = 1 = 0
–   Arasan 18.0 64-bit2861+26
−26
(+37)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.7%
−110
0 = 0 1 0 1 = 0 0 0
–   Gaviota 1.0 64-bit2860+13
−13
(+36)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+8
= 0 0 = = = = 0 1 1
–   EXchess 7.92b 64-bit2857+22
−22
(+33)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.7%
+33
1 0 = = 1 = = = = 0
–   Rodent 1.7 64-bit2852+19
−19
(+28)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.1%
+86
= 1 = 1 1 0 = 1 = 0
–   Vajolet2 1.28 64-bit2850+22
−22
(+26)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
2.9%
−97
0 0 0 = = 1 0 =
–   Andscacs 0.70 64-bit2849+27
−27
(+25)5 − 5
(+2−2=6)
50.0%
5.0 / 10
5.9%
+21
0 = 1 = = = 0 = = 1
–   Atlas 3.80 64-bit2849+14
−14
(+25)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.8%
+87
= = 0 1 0 1 1 = = 1
–   Arasan 17.5 64-bit2842+25
−25
(+18)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
12.1%
−13
1 = = 0 0 = = = 0 1
–   Pedone 1.3 64-bit2836+23
−23
(+12)6 − 4
(+4−2=4)
60.0%
6.0 / 10
19.0%
+80
1 1 = = 1 0 = 0 = 1
–   Tornado 8.0 64-bit2836+17
−17
(+12)7 − 3
(+5−1=4)
70.0%
7.0 / 10
14.3%
+144
= 1 1 0 1 1 = 1 = =
–   The Baron 3.41 64-bit2834+24
−23
(+10)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
23.7%
−17
= = 0 = = 1 0 1 = 0
–   Fizbo 1.2 64-bit2834+27
−27
(+10)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
27.0%
−76
= = = 0 = 0 0 = 0 1
–   SmarThink 1.50 64-bit2832+24
−24
(+8)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
29.6%
−19
= = = 0 0 = = = 1 =
–   Texel 1.02 64-bit2829+28
−28
(+5)8 − 2
(+8−2=0)
80.0%
8.0 / 10
39.9%
+286
1 1 1 1 1 1 0 1 0 1
–   Scorpio 2.7.8 64-bit2829+27
−27
(+5)4 − 6
(+2−4=4)
40.0%
4.0 / 10
38.0%
−58
1 0 0 1 0 = = 0 = =
–   Pedone 1.2 64-bit2826+26
−26
(+2)6 − 4
(+4−2=4)
60.0%
6.0 / 10
44.8%
+64
0 = 0 1 = 1 = = 1 1
–   chess22k 1.6 64-bit2824+28
−28
(0)5 − 5
(+2−2=6)
50.0%
5.0 / 10
51.6%
−3
= = 1 1 0 = 0 = = =
–   DisasterArea 1.542823+31
−31
(−1)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
53.5%
+101
1 0 1 0 1 = 1 1 = =
–   NirvanaChess 1.5 64-bit2823+29
−29
(−1)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
53.5%
+85
0 1 = = 1 = = = 1 1
–   Tornado 6.0 64-bit2820+21
−21
(−4)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
61.9%
+33
1 = 0 0 1 1 1 1 0 0
–   SmarThink 1.40 64-bit2820+33
−33
(−4)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
59.5%
+167
0 = 1 = 1 1 1 1 = 1
–   Tornado 7.0 64-bit2817+19
−19
(−7)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
73.0%
−34
= = 1 = = = = 0 0 =
–   NirvanaChess 1.7 64-bit2811+32
−32
(−13)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
77.3%
+31
0 = 0 1 1 1 0 1
–   Zurichess Luzern 64-bit2793+24
−24
(−31)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.5%
+33
1 1 1 0 0 1 = = = 1 0 1 = = 1 0
–   Arasan 17.1 64-bit2792+31
−31
(−32)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
96.7%
−59
0 = = = 1 = = 0 = =
–   Hiarcs 11.12790+15
−14
(−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 1.3.12790+12
−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-bit2789+28
−28
(−35)3 − 5
(+1−3=4)
37.5%
3.0 / 8
98.5%
−108
0 = = = = 1 0 0
–   Bobcat 6.4b 64-bit2788+24
−24
(−36)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.5%
+10
= = 1 0 1 =
–   The Baron 3.29 64-bit2786+18
−18
(−38)5 − 5
(+2−2=6)
50.0%
5.0 / 10
100.0%
−38
= 1 = 0 = = 0 = 1 =
–   Rodent 1.5 64-bit2785+21
−21
(−39)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
99.9%
−66
= 1 = 0 1 1 0 0 = 0
–   Rybka 1.0 32-bit2785+15
−15
(−39)13 − 14
(+3−4=20)
48.1%
13.0 / 27
100.0%
−50
= = 1 = = = 1 = 0 = = 0 = = = = = = = = 0 0 = = = 1 =
–   Crafty 24.0 64-bit2772+28
−28
(−52)3 − 3
(+2−2=2)
50.0%
3.0 / 6
99.9%
−44
= 1 0 1 = 0
–   Strelka 1.8 32-bit2770+19
−19
(−54)22.5 − 9.5
(+14−1=17)
70.3%
22.5 / 32
100.0%
+63
= 1 1 = 1 = 1 1 1 1 = 1 = 1 1 = = = 0 = 1 = = = 1 = = 1 1 = = =
–   Toga II 1.3.42767+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-bit2760+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
(−78)27 − 15
(+17−5=20)
64.3%
27.0 / 42
100.0%
+7
1 1 = = 0 1 0 = = 1 1 = = = = 1 1 1 = 1 = 1 0 1 = = 0 = 1 1 0 = 1 1 = = 1 = = 1 = =
–   Fritz 92743+14
−14
(−81)34.5 − 25.5
(+25−16=19)
57.5%
34.5 / 60
100.0%
−31
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
–   Fruit 2.2.12743+14
−14
(−81)17.5 − 11.5
(+11−5=13)
60.3%
17.5 / 29
100.0%
−16
= = 1 1 1 1 = 0 0 1 = = = = 1 = = 1 1 1 = 1 0 1 = 0 0 = =
–   Hiarcs 102740+16
−16
(−84)38 − 22
(+25−9=26)
63.3%
38.0 / 60
100.0%
−1
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-bit2732+17
−17
(−92)16.5 − 9.5
(+12−5=9)
63.5%
16.5 / 26
100.0%
−5
1 = 1 = 0 1 1 = = 1 0 1 1 0 = = = 1 = = 1 1 0 1 1 0
–   Shredder 92726+18
−17
(−98)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−34
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
(−106)17 − 12
(+10−5=14)
58.6%
17.0 / 29
100.0%
−52
0 = = = = 1 = 1 = 0 1 0 1 = = 1 1 0 1 = 1 = 1 1 = = 0 = =
–   Naum 2.0 32-bit2697+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-bit2696+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
(−135)22 − 8
(+14−0=16)
73.3%
22.0 / 30
100.0%
+3
= = = 1 1 = 1 = = = = = 1 = = = 1 1 1 = = 1 1 1 1 = 1 1 1 =
–   Chess Tiger 20072682+12
−12
(−142)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−68
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
(−148)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+68
= 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
(−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
–   SmarThink 1.00 32-bit2665+15
−15
(−159)22.5 − 6.5
(+18−2=9)
77.6%
22.5 / 29
100.0%
+34
1 1 1 1 1 1 1 1 = 1 1 = = = = 1 1 = = 1 = 1 0 1 1 = 1 0 1
–   Glaurung 1.2.1 64-bit2665+23
−23
(−159)32.5 − 9.5
(+27−4=11)
77.4%
32.5 / 42
100.0%
+41
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 = = = =
–   Ktulu 7.52664+16
−16
(−160)17.5 − 9.5
(+12−4=11)
64.8%
17.5 / 27
100.0%
−68
1 1 1 1 1 = 0 = = = 1 1 = = 0 = = 1 0 1 1 1 = = 1 0 =
–   CM10th Xperience2661+13
−13
(−163)20 − 4
(+16−0=8)
83.3%
20.0 / 24
100.0%
+69
1 = 1 1 1 = = 1 = 1 1 1 1 1 1 = 1 = 1 = 1 = 1 1
–   Glaurung 1.2.1 32-bit2655+17
−17
(−169)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+89
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
(−174)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 II2646+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
(−183)33 − 9
(+28−4=10)
78.6%
33.0 / 42
100.0%
+29
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 WV2.12639+12
−12
(−185)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
+7
1 1 1 1 1 = 1 = = 1 = 1 1 1 1 1 1 1 = = = = = = 1 = = 1 1 1 1 =
–   Ktulu 7.12638+18
−18
(−186)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
−38
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
(−188)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+1
1 = = = 1 1 1 1 = 1 1 1 1 1 = 0 = = = 1 = 1 1 1 1 1 1 1 = =
–   Gandalf 62633+12
−12
(−191)21.5 − 8.5
(+16−3=11)
71.7%
21.5 / 30
100.0%
−45
1 = 1 = 1 = 0 0 = 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 = 1 = = =
–   CM10th Default2632+15
−15
(−192)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
−29
1 = 1 = 1 = 1 1 1 1 0 1 = 1 1 = 1 = = 1 1 = 1 1 1 1 0 = = =
–   Hiarcs 92628+19
−19
(−196)23 − 6
(+20−3=6)
79.3%
23.0 / 29
100.0%
+28
= 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
(−199)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+52
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
(−206)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
−103
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
(−209)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−58
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
(−211)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+61
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
(−215)26.5 − 3.5
(+23−0=7)
88.3%
26.5 / 30
100.0%
+86
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
(−216)25 − 7
(+19−1=12)
78.1%
25.0 / 32
100.0%
−33
1 = 1 1 1 = 1 = 1 1 1 = 1 1 1 1 1 = = 1 0 = 1 = 1 1 1 = 1 = = =
–   Chess Tiger 20042595+26
−27
(−229)18 − 7
(+15−4=6)
72.0%
18.0 / 25
100.0%
−70
1 = 1 1 1 1 = = = 1 0 = 1 1 1 = 1 0 1 1 1 1 0 1 0

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Created in 2005-2013 by CCRL team
Last games added on April 14, 2018