CCRL 40/40
Downloads and Statistics
December 16, 2017
Testing summary:
Total: 768'714 games
played by 1'999 programs
105443 CPU days (X2 4600+)

White wins: 263'775 (34.3%)
Black wins: 195'465 (25.4%)
Draws: 309'474 (40.3%)
White score: 54.4%

Engine Details

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Show each game results
Rybka 1.0 64-bit (2824+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
(+78)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−99
0 0 = 0 0 = 0 0 1 =
–   Rybka 1.2 64-bit2898+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-bit2898+25
−25
(+74)1 − 7
(+1−7=0)
12.5%
1.0 / 8
0.0%
−314
0 0 0 0 1 0 0 0
–   iCE 2.0 64-bit2893+17
−17
(+69)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+65
0 = = = = = 1 = 0 1
–   Arasan 18.2 64-bit2888+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-bit2877+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
(+49)7 − 9
(+4−6=6)
43.8%
7.0 / 16
0.0%
+11
= 0 0 1 0 = = 0 = 1 = 1 0 1 0 =
–   Vajolet2 1.45 64-bit2867+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-bit2864+20
−20
(+40)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.1%
+12
= 0 = = 0 = 0 1 = 1
–   Arasan 18.0 64-bit2861+26
−26
(+37)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.7%
−110
0 1 = 0 0 0 0 = 0 1
–   Gaviota 1.0 64-bit2859+14
−14
(+35)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+7
1 1 = = = 0 = 0 0 =
–   EXchess 7.92b 64-bit2856+22
−22
(+32)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.7%
+32
1 0 = = 1 = = = = 0
–   Rodent 1.7 64-bit2852+19
−19
(+28)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.0%
+86
0 = 1 = 0 = 1 1 = 1
–   Vajolet2 1.28 64-bit2849+23
−23
(+25)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
3.2%
−98
0 0 0 = = 1 0 =
–   Atlas 3.80 64-bit2847+14
−14
(+23)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.1%
+85
1 = = 1 0 1 0 1 = =
–   Andscacs 0.70 64-bit2847+28
−28
(+23)5 − 5
(+2−2=6)
50.0%
5.0 / 10
6.9%
+19
0 = 1 = = = 0 = = 1
–   Arasan 17.5 64-bit2841+25
−25
(+17)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
11.9%
−14
= 0 0 = = = 0 1 1 =
–   Pedone 1.3 64-bit2836+23
−23
(+12)6 − 4
(+4−2=4)
60.0%
6.0 / 10
18.6%
+80
= 0 1 0 = 1 1 1 = =
–   Tornado 8.0 64-bit2835+18
−18
(+11)7 − 3
(+5−1=4)
70.0%
7.0 / 10
17.7%
+143
1 1 = 1 = = = 1 1 0
–   Fizbo 1.2 64-bit2833+27
−27
(+9)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
26.5%
−77
= 0 = 0 0 = 0 1 = =
–   SmarThink 1.50 64-bit2831+24
−24
(+7)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
29.2%
−20
0 = = = 1 = = = = 0
–   The Baron 3.41 64-bit2828+27
−27
(+4)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
38.8%
−23
= = = 1 0 1 = 0 0 =
–   Scorpio 2.7.8 64-bit2828+27
−27
(+4)4 − 6
(+2−4=4)
40.0%
4.0 / 10
39.1%
−59
1 0 0 = = 0 = = 0 1
–   Texel 1.02 64-bit2828+28
−28
(+4)8 − 2
(+8−2=0)
80.0%
8.0 / 10
38.8%
+285
1 1 1 1 1 1 0 1 0 1
–   Pedone 1.2 64-bit2826+26
−26
(+2)6 − 4
(+4−2=4)
60.0%
6.0 / 10
44.2%
+64
0 1 = 1 = = 1 1 0 =
–   chess22k 1.6 64-bit2826+28
−28
(+2)5 − 5
(+2−2=6)
50.0%
5.0 / 10
44.2%
−1
0 = = = = = 1 1 0 =
–   DisasterArea 1.542823+31
−31
(−1)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
52.3%
+101
1 0 1 0 1 = 1 1 = =
–   NirvanaChess 1.5 64-bit2822+29
−29
(−2)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
52.9%
+84
= = 1 1 0 1 = = 1 =
–   SmarThink 1.40 64-bit2820+33
−33
(−4)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
58.8%
+167
1 1 = 1 0 = 1 = 1 1
–   Tornado 6.0 64-bit2820+21
−21
(−4)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
60.5%
+33
1 = 0 0 1 1 1 1 0 0
–   Tornado 7.0 64-bit2817+19
−19
(−7)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
72.0%
−34
= = 1 = = = = 0 0 =
–   NirvanaChess 1.7 64-bit2811+32
−32
(−13)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
76.5%
+31
1 1 0 1 0 = 0 1
–   Zurichess Luzern 64-bit2793+24
−24
(−31)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.4%
+33
= = 1 0 0 1 = = = 1 1 1 1 0 0 1
–   Arasan 17.1 64-bit2792+31
−31
(−32)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
96.5%
−59
= 0 = = 0 = = = 1 =
–   Hiarcs 11.12790+15
−14
(−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
–   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
98.4%
−108
= = = 1 0 0 0 =
–   Bobcat 6.4b 64-bit2787+24
−24
(−37)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.5%
+9
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 = = 0 = = = 1
–   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 =
–   Rodent 1.5 64-bit2785+21
−21
(−39)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
99.8%
−66
= 1 = 0 = 0 1 1 0 0
–   Crafty 24.0 64-bit2771+28
−28
(−53)3 − 3
(+2−2=2)
50.0%
3.0 / 6
99.9%
−45
0 1 = 0 = 1
–   Strelka 1.8 32-bit2769+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
(−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 1 = 0 = 0 1 = = 1 1 0 1 0 1 0 1 0 0 = = = 1 = 1 = = = 1 = = 1 = 1 = = = 1 1
–   Spike 1.2 Turin2745+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 92742+14
−14
(−82)34.5 − 25.5
(+25−16=19)
57.5%
34.5 / 60
100.0%
−32
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 2.2.12742+13
−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
(−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-bit2731+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 92725+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 Hypermodern2717+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
(−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 20072681+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
(−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
–   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
–   SmarThink 1.00 32-bit2664+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 7.52663+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 Xperience2660+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-bit2654+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
(−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 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 1.82640+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 WV2.12638+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 7.12637+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 152635+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 62632+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+15
−14
(−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
−20
(−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 72624+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 5.122617+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
(−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 3.5.12612+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
(−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 1.0.52607+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
(−230)18 − 7
(+15−4=6)
72.0%
18.0 / 25
100.0%
−71
0 1 0 1 = 1 1 1 1 = = = 1 0 = 1 1 1 = 1 0 1 1 1 1

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    194Rybka 4 64-bit 4CPU
Free    196nothing
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 December 16, 2017