CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Show each game results
Rybka 1.0 32-bit (2785+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
–   Nemorino 1.02 64-bit2906+24
−24
(+121)3 − 3
(+2−2=2)
50.0%
3.0 / 6
0.0%
+128
0 1 = 1 = 0
–   Gull 1.2 32-bit2875+12
−12
(+90)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+149
= = 1 =
–   Rybka 2.1 32-bit2867+23
−22
(+82)9 − 20
(+1−12=16)
31.0%
9.0 / 29
0.0%
−30
0 = 0 0 = = 0 = = = = 0 0 0 = = = = = 1 0 = 0 = 0 = 0 = 0
–   Naum 3.1 32-bit2860+16
−16
(+75)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−17
= 0 0 1
–   Rybka 1.1 32-bit2854+18
−18
(+69)11 − 19
(+2−10=18)
36.7%
11.0 / 30
0.0%
−7
0 = 0 = = = 0 = 0 0 = = = 1 0 = = = = = = = = 1 0 = 0 0 0 =
–   Protector 1.3.6 64-bit2851+29
−29
(+66)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−160
0 0 0 1
–   Bobcat 7.1 64-bit2848+25
−25
(+63)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.0%
+67
0 1 1 1 = 0 = = = 0
–   Booot 5.1.02844+10
−11
(+59)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+126
= = = 1
–   Arasan 17.4 64-bit2843+26
−26
(+58)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−72
0 1 0 = 0 = 0 0 = =
–   Dirty 3Nov2015 64-bit2837+17
−16
(+52)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+52
= = = = = 0 1 0 1 =
–   Deep Shredder 10 64-bit 4CPU2833+17
−17
(+48)12 − 16
(+6−10=12)
42.9%
12.0 / 28
0.0%
+5
1 = 1 = 1 1 0 0 = 0 0 = 0 = 0 = 1 1 = 0 = = 0 0 = = 0 =
–   Zappa Mexico 64-bit2833+16
−16
(+48)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−109
0 =
–   Glaurung 2.0.1 64-bit 4CPU2831+17
−17
(+46)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+76
=
–   MinkoChess 1.3 32-bit2827+32
−32
(+42)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.9%
+83
= 1 = 0 = 0 1 0 1 1
–   Cyclone xTreme Fury2827+19
−19
(+42)11 − 9
(+3−1=16)
55.0%
11.0 / 20
0.0%
+64
= = = = = = = = 1 = = 1 0 = = = = = 1 =
–   Rybka 1.0 64-bit2824+15
−14
(+39)14 − 13
(+4−3=20)
51.9%
14.0 / 27
0.0%
+50
= = 0 = = = 0 = 1 = = 1 = = = = = = = = 1 1 = = = 0 =
–   Toga II 1.4.1SE62821+23
−23
(+36)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.5%
+36
= = = =
–   GNU Chess 5.60 64-bit2813+19
−19
(+28)4 − 6
(+2−4=4)
40.0%
4.0 / 10
1.2%
−39
0 = 1 = 0 0 0 1 = =
–   Amoeba 2.4 64-bit2811+26
−26
(+26)6 − 4
(+4−2=4)
60.0%
6.0 / 10
4.7%
+94
= 1 = 0 1 0 = = 1 1
–   Zurichess Neuchatel 64-bit2809+26
−26
(+24)5 − 3
(+3−1=4)
62.5%
5.0 / 8
5.7%
+98
1 = = = 1 0 = 1
–   Hiarcs 122809+14
−14
(+24)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
1.0%
−71
= 1 0 0
–   Arasan 17.0 64-bit2808+31
−31
(+23)5 − 5
(+1−1=8)
50.0%
5.0 / 10
9.5%
+23
= = = = 0 = = 1 = =
–   Bright 0.2c 4CPU2807+21
−21
(+22)0 − 1
(+0−1=0)
0.0%
0.0 / 1
4.8%
−INF
0
–   Arasan 17.3 64-bit2807+32
−32
(+22)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
11.2%
−187
0 0 = 0 0 = 0 =
–   Dirty 10Apr2015 64-bit2806+24
−24
(+21)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
7.3%
−63
1 0 = 0 = 0 = 0 = =
–   Scorpio 2.7.7 64-bit2805+16
−16
(+20)4 − 6
(+1−3=6)
40.0%
4.0 / 10
3.8%
−38
0 = 0 1 = = = = 0 =
–   Crafty 24.1 64-bit2803+22
−22
(+18)7 − 3
(+6−2=2)
70.0%
7.0 / 10
8.6%
+165
1 1 = = 1 1 0 1 0 1
–   Hannibal 1.0a 32-bit2802+12
−12
(+17)7.5 − 6.5
(+6−5=3)
53.6%
7.5 / 14
4.2%
+44
1 = 1 1 1 = 0 1 1 0 0 0 = 0
–   Rodent 1.6 64-bit2801+31
−31
(+16)4 − 6
(+3−5=2)
40.0%
4.0 / 10
17.8%
−57
0 = 1 0 0 1 0 0 = 1
–   Rhetoric 1.4.3 64-bit2800+15
−15
(+15)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
7.8%
−62
= = 0 = = 0 = 0 = =
–   Naum 2.2 64-bit2798+25
−25
(+13)1 − 0
(+1−0=0)
100.0%
1.0 / 1
18.5%
+INF
1
–   Pedone 1.1 64-bit2797+24
−24
(+12)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
19.3%
−30
1 = 0 0 0 1 0 1 0 1
–   GnuCheese 1.00 64-bit2794+16
−16
(+9)6 − 4
(+3−1=6)
60.0%
6.0 / 10
20.1%
+64
= 1 = = 0 1 1 = = =
–   Atlas 3.70em 64-bit2787+22
−22
(+2)1 − 3
(+0−2=2)
25.0%
1.0 / 4
42.1%
−155
0 = 0 =
–   Pawny 1.2 64-bit2784+16
−16
(−1)7 − 3
(+4−0=6)
70.0%
7.0 / 10
51.8%
+113
= 1 = 1 = = = = 1 1
–   Fruit 2.3.12784+14
−14
(−1)0 − 1
(+0−1=0)
0.0%
0.0 / 1
51.5%
−INF
0
–   Cyclone 1.02781+32
−32
(−4)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
58.2%
−63
0 = = =
–   Glaurung 2.2 64-bit2781+16
−16
(−4)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
62.9%
−89
0 1 0 =
–   Octochess r5506 64-bit2778+20
−20
(−7)7 − 3
(+5−1=4)
70.0%
7.0 / 10
68.7%
+120
1 1 1 1 0 = = = = 1
–   Naraku 1.42776+17
−17
(−9)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
78.3%
−40
0 1 0 0 = 1 = 1 0 =
–   EXchess 7.18b 64-bit2774+23
−23
(−11)2 − 2
(+0−0=4)
50.0%
2.0 / 4
77.0%
−11
= = = =
–   Fruit 05/11/032773+20
−20
(−12)2 − 0
(+2−0=0)
100.0%
2.0 / 2
80.9%
+INF
1 1
–   Shredder 102771+13
−13
(−14)22.5 − 17.5
(+14−9=17)
56.3%
22.5 / 40
92.5%
+23
1 1 = = 0 0 = = 1 = 0 0 1 1 1 0 = = = 0 1 = = 1 = 1 = 1 0 = 1 = = 0 = 1 1 1 = 0
–   Loop M1-T 64-bit2771+30
−30
(−14)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
78.1%
+128
= 1
–   Toga II 1.3.42767+28
−28
(−18)1 − 0
(+1−0=0)
100.0%
1.0 / 1
86.1%
+INF
1
–   Loop 10.32f2765+19
−19
(−20)13.5 − 11.5
(+5−3=17)
54.0%
13.5 / 25
94.2%
+1
= = = = 1 1 = = = 0 = 1 = = = = 0 1 = = = = = 0 1
–   Texel 1.01 32-bit2764+28
−28
(−21)2 − 2
(+1−1=2)
50.0%
2.0 / 4
89.7%
−21
1 = = 0
–   Thinker 5.2e Passive2761+28
−28
(−24)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
92.7%
−91
= = = 0
–   Laser 1.1 64-bit2753+27
−27
(−32)7 − 3
(+5−1=4)
70.0%
7.0 / 10
97.7%
+98
= 1 0 1 1 = = 1 = 1
–   Dirty 05Sep2012 64-bit2752+23
−23
(−33)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
98.9%
−115
= 1 0 0
–   Junior 102744+13
−13
(−41)18 − 11
(+9−2=18)
62.1%
18.0 / 29
100.0%
+24
= 1 = = = 1 = = = = 1 1 1 1 1 = = = = = 0 0 = = 1 = = = 1
–   Fruit 2.2.12742+14
−14
(−43)21.5 − 12.5
(+15−6=13)
63.2%
21.5 / 34
100.0%
+46
1 1 = = 1 = 1 1 = 1 1 1 = = = 1 1 1 0 = 1 = 1 0 1 0 = = 0 = 0 = 1 0
–   Fritz 92742+14
−14
(−43)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
100.0%
+2
= = 1 0 = 0 1 0 = 0 = 0 1 1 1 = = 0 = 1 = 0 1 1 1 1 1 1 1 0 = 1 0 =
–   Hiarcs 102740+16
−16
(−45)17.5 − 16.5
(+7−6=21)
51.5%
17.5 / 34
100.0%
−37
= 0 = 1 = = 0 = = 1 = = = = 1 = = = = 0 = 1 = = = 1 1 1 0 = = 0 0 =
–   Toga II 1.1a 32-bit2731+17
−17
(−54)18 − 16
(+14−12=8)
52.9%
18.0 / 34
100.0%
−31
1 = 1 0 1 1 0 0 1 0 0 = 1 1 0 = 1 0 1 1 = 0 0 0 1 1 = 1 0 = 1 0 = =
–   Arasan 16.1 64-bit2729+32
−32
(−56)1 − 3
(+0−2=2)
25.0%
1.0 / 4
99.9%
−212
0 = 0 =
–   Tucano 6.00 64-bit2727+16
−16
(−58)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+41
= 1 1 = 1 = 0 1 0 1
–   Shredder 92725+18
−17
(−60)21 − 17
(+16−12=10)
55.3%
21.0 / 38
100.0%
−20
1 1 0 0 1 1 1 = 0 = 0 = 0 0 0 = = 1 = 1 1 0 0 0 1 = = 1 1 0 1 1 1 0 = 1 1 =
–   Twisted Logic 200806202722+16
−17
(−63)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+173
1 0 1 1
–   Hiarcs 10 Hypermodern2717+20
−20
(−68)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
−11
0 1 = 1 1 0 = 0 1 0 = = 1 1 1 0 = = = = = = 0 1 0 = 1 1 1 1
–   SmarThink 1.00 64-bit2707+36
−36
(−78)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+13
1 = 1 0
–   Ktulu 82704+9
−9
(−81)29 − 11
(+22−4=14)
72.5%
29.0 / 40
100.0%
+66
= 1 = 0 1 1 = 1 = 1 1 = 1 0 = = = 1 1 1 = 1 1 0 1 = 0 = 1 1 1 = = 1 = 1 1 1 1 1
–   Fruit 2.12694+25
−25
(−91)33.5 − 18.5
(+23−8=21)
64.4%
33.5 / 52
100.0%
+1
= 0 1 1 = 0 = 1 0 1 = = = 1 = = 1 = 0 1 1 1 = 1 1 1 0 1 = = 0 = = = = 1 1 1 1 = = 1 1 = 1 = = 0 1 1 1 0
–   Spike 1.12689+15
−15
(−96)21 − 13
(+13−5=16)
61.8%
21.0 / 34
100.0%
−27
1 0 = 1 1 1 = 1 1 = 1 0 = 1 = 1 0 = 1 0 = 1 = = = = 1 1 = = = = = 0
–   Glaurung 1.2.1 Beren 64-bit2681+37
−37
(−104)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−30
0 = 0 1 1 1 1 1 1 = = 1 = 0 0 1 0 = 1 1 1 = = = 1 0 = = 1 =
–   Chessmaster 11 Leonidas2680+21
−21
(−105)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−105
= = 0 1
–   Junior 92676+17
−17
(−109)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−36
= 0 1 = 0 0 1 1 0 0 = 1 1 1 = = = 1 1 1 = 1 1 = = 1 = 1 0 1 = 0
–   SmarThink 1.00 32-bit2664+15
−15
(−121)27.5 − 10.5
(+20−3=15)
72.4%
27.5 / 38
100.0%
+22
1 1 = = 1 = = 1 = 1 1 1 0 1 = 1 1 = = = 1 1 = 1 1 = = 1 = 1 0 1 1 = 0 = 1 1
–   Ktulu 7.52663+16
−16
(−122)29 − 8
(+23−2=12)
78.4%
29.0 / 37
100.0%
+72
= = 1 1 0 1 1 1 = = = 1 = 1 0 = 1 1 1 = 1 1 1 = 1 1 = 1 = 1 1 1 = 1 1 1 1
–   CM10th Xperience2660+13
−13
(−125)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−49
= = 0 = 1 1 = 1 = 0 1 = 1 = 1 1 0 = = 1 1 0 0 = 1 0 = 1 1 1
–   Zap!Chess Reykjavik 32-bit2658+34
−35
(−127)6.5 − 4.5
(+3−1=7)
59.1%
6.5 / 11
100.0%
−77
= 1 = 0 = = = 1 = = 1
–   Spike 1.0a2649+19
−19
(−136)24.5 − 9.5
(+20−5=9)
72.1%
24.5 / 34
100.0%
+20
1 0 1 = 0 = 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 = = = 1 = = 1 0 0 1 0 1 1
–   CM10th Ogre2646+24
−24
(−139)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+18
= 1 = 1
–   CM10th Magic II2646+16
−16
(−139)25.5 − 12.5
(+15−2=21)
67.1%
25.5 / 38
100.0%
−39
= 0 1 = = = 1 = 1 1 = 1 1 = = = 1 = = = 1 = 1 1 1 1 0 = = = 1 1 = = = = = 1
–   Movei 00.8.4382645+18
−18
(−140)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Scorpio 1.812644+36
−36
(−141)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+15
= 1
–   Ktulu 7.12637+18
−18
(−148)20 − 10
(+14−4=12)
66.7%
20.0 / 30
100.0%
−41
1 1 1 0 = 1 = 1 1 = = = = = 1 = 1 0 = 0 1 1 1 = 1 1 = 0 = 1
–   Delfi 5.22636+21
−21
(−149)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Chess Tiger 152635+17
−17
(−150)23 − 10
(+17−4=12)
69.7%
23.0 / 33
100.0%
−23
= 1 1 = 1 1 0 0 = 1 1 0 1 1 = = = 1 1 1 1 1 = 1 = 1 1 0 = = 1 = =
–   Glaurung 1.0.2 32-bit2634+17
−17
(−151)32.5 − 18.5
(+24−10=17)
63.7%
32.5 / 51
100.0%
−58
0 1 1 0 0 1 1 1 1 1 1 = 1 0 0 0 0 1 0 1 1 1 1 0 1 = = = 0 = = 1 1 = = 1 = = 1 = = 1 = 1 = 1 1 = 1 = =
–   CM10th Warrior2633+25
−25
(−152)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   CM10th Default2632+15
−15
(−153)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−23
1 = 1 = 1 0 = = 1 1 = = 1 = 1 1 1 1 = 1 1 0 0 = = 1 = 1 1 =
–   Gandalf 62632+12
−12
(−153)25 − 12
(+19−6=12)
67.6%
25.0 / 37
100.0%
−35
1 1 1 1 1 1 1 = 0 = = = 0 1 0 1 1 1 0 = = = 1 1 1 1 1 1 0 = 0 = 1 1 = = =
–   Hiarcs 92628+19
−20
(−157)20.5 − 9.5
(+16−5=9)
68.3%
20.5 / 30
100.0%
−31
1 1 0 1 1 0 = 1 0 1 = = 0 1 1 = 1 1 = 1 1 1 = 0 = 1 1 1 = =
–   Slow Chess Blitz WV22615+16
−16
(−170)22.5 − 5.5
(+20−3=5)
80.4%
22.5 / 28
100.0%
+69
1 1 = 1 = 1 1 = 0 1 1 1 1 1 1 = 1 0 = 1 1 1 0 1 1 1 1 1
–   Colossus 2007d2612+23
−23
(−173)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−203
=
–   Naum 1.91 32-bit2604+15
−15
(−181)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
−42
= = 1 = 1 = = = = = = 1 1 1 0 1 1 1 1 1 = 1 1 1 1 1 = = = 0 = = 1 1
–   Chess Tiger 20042594+26
−27
(−191)17 − 6
(+14−3=6)
73.9%
17.0 / 23
100.0%
−15
1 1 = = = 0 = 1 1 1 = 0 1 1 1 1 = 1 0 1 1 1 1
–   WildCat 62593+21
−21
(−192)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−106
0 1 1 =

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 1.0 32-bit
played with current
participants of this list
Represented by
1-2-CPU    115Rybka 4.1 64-bit
32-bit    51Rybka 4.1 32-bit
32-bit 1-2-CPU    51Rybka 4.1 32-bit
32-bit single-CPU    51Rybka 4.1 32-bit
All    115Rybka 4 64-bit 4CPU
Free    78nothing
Free 1-2-CPU    78nothing
Free 32-bit    14Rybka 2.3.2a 32-bit
Free 32-bit 1-2-CPU    14Rybka 2.3.2a 32-bit
Free 32-bit single-CPU    14Rybka 2.3.2a 32-bit
Free single-CPU    78nothing
Single-CPU    115Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017