CCRL 40/40
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 783'129 games
played by 2'026 programs
108312 CPU days (X2 4600+)

White wins: 268'533 (34.3%)
Black wins: 198'801 (25.4%)
Draws: 315'795 (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-bit2903+18
−18
(+79)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−98
0 0 = 0 0 = 0 0 1 =
–   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
1 = 0 1 0 = = = = =
–   Demolito 2017-08-26 64-bit2893+22
−22
(+69)1 − 7
(+1−7=0)
12.5%
1.0 / 8
0.0%
−320
0 0 0 0 0 0 1 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 = 1 0 0 = 1 = 0 0
–   Vajolet2 1.44 64-bit2878+31
−30
(+54)6 − 4
(+3−1=6)
60.0%
6.0 / 10
0.1%
+109
= = 1 1 0 1 = = = =
–   Amoeba 2.5 64-bit2874+23
−23
(+50)7 − 9
(+4−6=6)
43.8%
7.0 / 16
0.0%
+12
= 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 = 0 1 1 = 1 1
–   Crafty 25.0 64-bit2866+20
−20
(+42)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+14
= 0 0 1 = 1 = = 0 =
–   Arasan 18.0 64-bit2862+26
−26
(+38)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.6%
−109
0 1 = 0 0 = 0 1 0 0
–   Gaviota 1.0 64-bit2860+14
−14
(+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-bit2858+22
−22
(+34)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.7%
+34
1 0 = = 1 = = = = 0
–   Rodent 1.7 64-bit2853+19
−19
(+29)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.0%
+87
0 0 = 1 = = 1 1 = 1
–   Vajolet2 1.28 64-bit2851+23
−22
(+27)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
2.7%
−96
0 0 0 = = 1 0 =
–   Atlas 3.80 64-bit2850+14
−14
(+26)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.7%
+88
= = 0 1 0 1 1 = = 1
–   Andscacs 0.70 64-bit2848+28
−28
(+24)5 − 5
(+2−2=6)
50.0%
5.0 / 10
7.0%
+20
= = 0 = 1 = 0 = = 1
–   Arasan 17.5 64-bit2842+25
−25
(+18)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
11.5%
−13
1 = = = 0 1 = 0 0 =
–   Tornado 8.0 64-bit2837+18
−18
(+13)7 − 3
(+5−1=4)
70.0%
7.0 / 10
14.1%
+145
1 1 = 1 1 0 = 1 = =
–   Pedone 1.3 64-bit2837+23
−23
(+13)6 − 4
(+4−2=4)
60.0%
6.0 / 10
18.3%
+81
= 0 = 1 1 1 = = 1 0
–   Fizbo 1.2 64-bit2834+27
−27
(+10)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
26.2%
−76
= = 0 1 = 0 = 0 0 =
–   The Baron 3.41 64-bit2834+26
−26
(+10)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
25.1%
−17
= = 0 = = 1 0 1 = 0
–   SmarThink 1.50 64-bit2832+24
−24
(+8)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
28.9%
−19
0 = = = 1 = = = = 0
–   Scorpio 2.7.8 64-bit2829+27
−27
(+5)4 − 6
(+2−4=4)
40.0%
4.0 / 10
37.3%
−58
1 0 0 1 0 = = 0 = =
–   Texel 1.02 64-bit2829+28
−28
(+5)8 − 2
(+8−2=0)
80.0%
8.0 / 10
38.8%
+286
0 1 1 1 1 1 1 1 0 1
–   Pedone 1.2 64-bit2827+26
−26
(+3)6 − 4
(+4−2=4)
60.0%
6.0 / 10
43.6%
+65
0 1 = 1 0 = = = 1 1
–   DisasterArea 1.542824+31
−31
(0)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
52.0%
+102
1 1 = = 1 0 1 0 1 =
–   chess22k 1.6 64-bit2824+28
−28
(0)5 − 5
(+2−2=6)
50.0%
5.0 / 10
50.6%
−3
0 = = = = = 1 1 0 =
–   NirvanaChess 1.5 64-bit2823+29
−29
(−1)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
52.7%
+85
0 1 = = 1 = = = 1 1
–   Tornado 6.0 64-bit2821+21
−21
(−3)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
60.2%
+34
1 1 1 1 1 = 0 0 0 0
–   SmarThink 1.40 64-bit2820+33
−33
(−4)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
58.7%
+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
71.7%
−34
= 0 0 = = = = = 1 =
–   NirvanaChess 1.7 64-bit2812+32
−32
(−12)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
76.3%
+32
1 1 0 1 0 = 0 1
–   Zurichess Luzern 64-bit2794+24
−24
(−30)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.3%
+34
= = 1 0 0 1 1 1 1 0 0 1 = = = 1
–   Arasan 17.1 64-bit2792+31
−31
(−32)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
96.5%
−59
1 = 0 = = = = 0 = =
–   Toga II 1.3.12791+12
−12
(−33)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
100.0%
−23
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
(−34)3 − 5
(+1−3=4)
37.5%
3.0 / 8
98.4%
−107
0 0 = = = 1 0 =
–   Hiarcs 11.12790+15
−15
(−34)15 − 15
(+7−7=16)
50.0%
15.0 / 30
99.9%
−35
0 = 0 = = 0 = = = 1 = = 1 0 = 0 = 1 1 = 0 = = = = 1 1 1 = 0
–   Bobcat 6.4b 64-bit2788+24
−24
(−36)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.4%
+10
1 0 1 = = =
–   The Baron 3.29 64-bit2786+18
−18
(−38)5 − 5
(+2−2=6)
50.0%
5.0 / 10
99.9%
−38
0 = 1 = = 1 = 0 = =
–   Rodent 1.5 64-bit2786+21
−21
(−38)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
99.8%
−65
= 0 1 1 0 0 = 1 = 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
= 0 0 1 = 1
–   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 1.3.42768+28
−28
(−56)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
+32
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 1 = 0 = 0 1 = = 1 1 0 1 0 1 0 1 0 0 = = = 1 = 1 = = = 1 = = 1 = 1 = = = 1 1
–   Spike 1.2 Turin2746+7
−7
(−78)27 − 15
(+17−5=20)
64.3%
27.0 / 42
100.0%
+7
1 1 = = 1 = = 1 = = 1 1 = = 0 1 0 = = 1 1 = = = = 1 1 1 = 1 = 1 0 1 = = 0 = 1 1 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 = =
–   Fritz 92743+14
−14
(−81)34.5 − 25.5
(+25−16=19)
57.5%
34.5 / 60
100.0%
−31
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
–   Hiarcs 102740+16
−16
(−84)38 − 22
(+25−9=26)
63.3%
38.0 / 60
100.0%
−1
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
(−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-bit2698+15
−15
(−126)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
−9
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 1.92669+31
−31
(−155)17.5 − 6.5
(+15−4=5)
72.9%
17.5 / 24
100.0%
+14
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 1 1 = 1 = 1 1 1 = = 0 1 0 1 1 1 1 0 1 1 = 1 1 0
–   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 II2647+16
−16
(−177)19 − 7
(+14−2=10)
73.1%
19.0 / 26
100.0%
−27
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 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
(−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

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    204Rybka 4.1 64-bit
All    184Rybka 4 64-bit 4CPU
Free    228nothing
Free 1-2-CPU    196nothing
Free single-CPU    196nothing
Single-CPU    204Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on January 20, 2018