CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Engine Details

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Show each game results
Rybka 1.0 32-bit (2788+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-bit2904+23
−23
(+116)3 − 3
(+2−2=2)
50.0%
3.0 / 6
0.0%
+123
0 1 = 1 = 0
–   Gull 1.2 32-bit2876+12
−12
(+88)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+147
= = 1 =
–   Rybka 2.1 32-bit2863+22
−22
(+75)9 − 20
(+1−12=16)
31.0%
9.0 / 29
0.0%
−37
0 = 0 0 = = 0 = = = = 0 = 1 0 = 0 = 0 = 0 = 0 0 0 = = = =
–   Naum 3.1 32-bit2858+16
−16
(+70)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−22
1 = 0 0
–   Rybka 1.1 32-bit2856+18
−18
(+68)11 − 19
(+2−10=18)
36.7%
11.0 / 30
0.0%
−8
0 = 0 = = = 0 = 0 0 = = = 1 0 = = = = = = = = 1 0 = 0 0 0 =
–   Protector 1.3.6 64-bit2853+29
−29
(+65)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−161
0 0 0 1
–   Pirarucu 2.3.8 64-bit2851+22
−22
(+63)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
0.0%
+94
= = 0 1 = = 1 =
–   Counter 3.3 64-bit2850+22
−22
(+62)4 − 8
(+1−5=6)
33.3%
4.0 / 12
0.0%
−31
0 0 = 0 = 0 = 0 = = = 1
–   Bobcat 7.1 64-bit2848+25
−25
(+60)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.0%
+64
0 1 1 1 = 0 = = = 0
–   Booot 5.1.02844+10
−10
(+56)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+123
= = = 1
–   Arasan 17.4 64-bit2843+26
−26
(+55)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−75
0 1 0 = 0 = 0 0 = =
–   Dirty 3Nov2015 64-bit2837+17
−16
(+49)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+49
= 0 1 0 1 = = = = =
–   Marvin 3.2.0 64-bit2837+16
−16
(+49)6.5 − 9.5
(+2−5=9)
40.6%
6.5 / 16
0.0%
−5
0 = = = 0 0 = = 0 1 0 1 = = = =
–   Zappa Mexico 64-bit2832+15
−15
(+44)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−113
0 =
–   Bagatur 1.8 64-bit2832+27
−27
(+44)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
0.2%
+15
0 = 0 = 0 = 0 = 1 1 1 = = =
–   Deep Shredder 10 64-bit 4CPU2831+17
−17
(+43)12 − 16
(+6−10=12)
42.9%
12.0 / 28
0.0%
0
1 = 1 = 1 1 0 0 = 0 0 = 0 = 0 = 1 1 = 0 = = 0 0 = = 0 =
–   MinkoChess 1.3 32-bit2829+31
−31
(+41)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.9%
+82
1 0 1 1 = 1 = 0 = 0
–   Glaurung 2.0.1 64-bit 4CPU2828+17
−17
(+40)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+70
=
–   Cyclone xTreme Fury2827+19
−19
(+39)11 − 9
(+3−1=16)
55.0%
11.0 / 20
0.1%
+61
= = 1 = = 1 = = 0 = = = = = 1 = = = = =
–   Rybka 1.0 64-bit2824+14
−14
(+36)14 − 13
(+4−3=20)
51.9%
14.0 / 27
0.0%
+47
= = 0 = = = 0 = 1 = = 1 = = = = = = = = 1 1 = = = 0 =
–   Zurichess Neuchatel 64-bit2824+14
−14
(+36)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.0%
+110
1 = = = 1 0 = 1
–   Toga II 1.4.1SE62820+23
−23
(+32)2 − 2
(+0−0=4)
50.0%
2.0 / 4
1.0%
+32
= = = =
–   GNU Chess 5.60 64-bit2811+17
−17
(+23)4 − 6
(+2−4=4)
40.0%
4.0 / 10
1.9%
−44
0 = 1 = 0 0 0 1 = =
–   Arasan 17.0 64-bit2811+31
−31
(+23)5 − 5
(+1−1=8)
50.0%
5.0 / 10
8.6%
+23
= = = = = = 0 = = 1
–   Amoeba 2.4 64-bit2811+26
−26
(+23)6 − 4
(+4−2=4)
60.0%
6.0 / 10
6.1%
+91
= 1 1 1 = 0 1 0 = =
–   Hiarcs 122808+14
−14
(+20)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
2.1%
−75
0 = 1 0
–   Dirty 10Apr2015 64-bit2806+24
−24
(+18)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
10.3%
−66
1 0 = 0 = = = 0 = 0
–   Bright 0.2c 4CPU2805+21
−21
(+17)0 − 1
(+0−1=0)
0.0%
0.0 / 1
9.0%
−INF
0
–   Topple 0.5.0 64-bit2805+27
−27
(+17)6 − 6
(+3−3=6)
50.0%
6.0 / 12
13.6%
+20
= = 0 1 = = = 1 = 0 1 0
–   Rodent 1.6 64-bit2805+30
−30
(+17)4 − 6
(+3−5=2)
40.0%
4.0 / 10
15.6%
−56
0 = 1 0 0 1 0 0 = 1
–   Scorpio 2.7.7 64-bit2804+16
−16
(+16)4 − 6
(+1−3=6)
40.0%
4.0 / 10
6.1%
−42
0 1 = = = = 0 = 0 =
–   Crafty 24.1 64-bit2803+22
−22
(+15)7 − 3
(+6−2=2)
70.0%
7.0 / 10
12.5%
+162
1 1 = = 1 1 0 1 0 1
–   Arasan 17.3 64-bit2803+30
−30
(+15)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
18.6%
−194
0 0 = 0 0 = 0 =
–   Hannibal 1.0a 32-bit2801+12
−12
(+13)7.5 − 6.5
(+6−5=3)
53.6%
7.5 / 14
8.3%
+40
1 = 1 1 1 = 0 1 1 0 0 0 = 0
–   Naum 2.2 64-bit2797+25
−25
(+9)1 − 0
(+1−0=0)
100.0%
1.0 / 1
26.8%
+INF
1
–   Pedone 1.1 64-bit2797+24
−24
(+9)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
25.4%
−33
0 1 0 1 1 = 0 0 0 1
–   Rhetoric 1.4.3 64-bit2794+12
−12
(+6)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
24.0%
−71
= = 0 = = 0 = 0 = =
–   GnuCheese 1.00 64-bit2793+16
−16
(+5)6 − 4
(+3−1=6)
60.0%
6.0 / 10
31.1%
+60
1 = = = 0 1 = 1 = =
–   Marvin 3.1.0 64-bit2791+21
−21
(+3)7 − 5
(+5−3=4)
58.3%
7.0 / 12
40.2%
+54
1 = 0 1 1 = = 0 1 = 0 1
–   Francesca MAD 0.25 64-bit2790+24
−24
(+2)7.5 − 6.5
(+5−4=5)
53.6%
7.5 / 14
43.6%
+23
= 1 0 1 = 1 0 = 1 = 0 = 1 0
–   Cheese 2.1 64-bit2788+24
−24
(0)6 − 6
(+3−3=6)
50.0%
6.0 / 12
48.2%
−3
= = 0 0 1 1 = = 0 = 1 =
–   Atlas 3.70em 64-bit2787+22
−22
(−1)1 − 3
(+0−2=2)
25.0%
1.0 / 4
50.4%
−158
0 = 0 =
–   Fruit 2.3.12786+14
−14
(−2)0 − 1
(+0−1=0)
0.0%
0.0 / 1
57.9%
−INF
0
–   RuyDos 1.1.10 64-bit2784+25
−25
(−4)5 − 5
(+3−3=4)
50.0%
5.0 / 10
59.1%
−4
0 0 1 = = = = 1 0 1
–   Glaurung 2.2 64-bit2783+16
−16
(−5)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
66.9%
−90
0 1 0 =
–   Octochess r5506 64-bit2783+15
−15
(−5)7 − 3
(+5−1=4)
70.0%
7.0 / 10
66.3%
+122
0 = = = = 1 1 1 1 1
–   Cyclone 1.02780+32
−32
(−8)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
65.1%
−67
= 0 = =
–   Pawny 1.2 64-bit2779+14
−14
(−9)7 − 3
(+4−0=6)
70.0%
7.0 / 10
79.7%
+105
= = 1 1 = 1 = = = 1
–   Naraku 1.42776+16
−16
(−12)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
85.6%
−43
0 = = 1 = 1 0 1 0 0
–   EXchess 7.18b 64-bit2775+23
−23
(−13)2 − 2
(+0−0=4)
50.0%
2.0 / 4
82.1%
−13
= = = =
–   Fruit 05/11/032773+20
−20
(−15)2 − 0
(+2−0=0)
100.0%
2.0 / 2
87.1%
+INF
1 1
–   Loop M1-T 64-bit2770+30
−30
(−18)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
84.9%
+124
= 1
–   Shredder 102770+13
−13
(−18)22.5 − 17.5
(+14−9=17)
56.3%
22.5 / 40
96.4%
+19
= 0 1 = = 1 = 1 = 1 0 = 1 = = 1 = 0 0 1 1 1 0 = = 0 = 1 1 1 = 0 1 1 = = 0 0 = =
–   Toga II 1.3.42767+28
−28
(−21)1 − 0
(+1−0=0)
100.0%
1.0 / 1
90.3%
+INF
1
–   Loop 10.32f2765+19
−19
(−23)13.5 − 11.5
(+5−3=17)
54.0%
13.5 / 25
97.0%
−1
= = = = 1 1 = = = 0 = 1 = = = = 0 1 = = = = = 0 1
–   Winter 0.3 64-bit2764+25
−25
(−24)9 − 5
(+4−0=10)
64.3%
9.0 / 14
95.0%
+50
1 = = = = = = 1 1 1 = = = =
–   Texel 1.01 32-bit2764+28
−28
(−24)2 − 2
(+1−1=2)
50.0%
2.0 / 4
92.6%
−24
1 = = 0
–   Thinker 5.2e Passive2761+28
−28
(−27)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
95.2%
−94
0 = = =
–   Godel 4.0.7 64-bit2758+19
−19
(−30)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.2%
+146
1 = 1 = 0 1 1 1
–   Dirty 05Sep2012 64-bit2754+23
−23
(−34)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
99.3%
−116
= 1 0 0
–   Laser 1.1 64-bit2753+27
−27
(−35)7 − 3
(+5−1=4)
70.0%
7.0 / 10
98.7%
+95
= 1 = 1 0 1 1 = = 1
–   Junior 102743+13
−13
(−45)18 − 11
(+9−2=18)
62.1%
18.0 / 29
100.0%
+20
= = = = = = 1 = = = 1 = = = = 1 = = = 1 1 1 1 1 1 0 0 = =
–   Fruit 2.2.12743+13
−13
(−45)21.5 − 12.5
(+15−6=13)
63.2%
21.5 / 34
100.0%
+44
1 1 1 1 0 = 1 = 1 0 1 0 = 1 = 1 1 1 = = = 1 = 0 = 0 = 1 0 1 = = 1 =
–   Fritz 92742+14
−14
(−46)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
100.0%
0
1 1 0 = = = 0 = 1 = 0 1 1 0 1 0 = 0 = 0 1 1 1 1 1 1 1 0 = = = 1 0 =
–   Hiarcs 102740+16
−16
(−48)17.5 − 16.5
(+7−6=21)
51.5%
17.5 / 34
100.0%
−40
= 1 = = = 1 1 1 0 = = 0 0 = 1 = = 1 = = 0 = = 1 = = = = = 0 = = 0 =
–   Arasan 16.1 64-bit2738+31
−31
(−50)1 − 3
(+0−2=2)
25.0%
1.0 / 4
99.8%
−206
0 = 0 =
–   Toga II 1.1a 32-bit2731+16
−16
(−57)18 − 16
(+14−12=8)
52.9%
18.0 / 34
100.0%
−34
1 = = 1 = 1 0 1 1 0 0 1 0 0 = 1 1 0 = 1 0 1 1 = 0 0 0 1 1 = 1 0 = 0
–   Shredder 92725+17
−17
(−63)21 − 17
(+16−12=10)
55.3%
21.0 / 38
100.0%
−23
= 1 0 1 0 0 1 1 1 = 0 = 0 = 0 0 0 = = 1 = 1 1 0 0 0 1 = = 1 1 0 1 1 1 = 1 1
–   Tucano 6.00 64-bit2724+16
−16
(−64)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+35
= 1 1 = 1 = 0 1 0 1
–   Twisted Logic 200806202723+16
−16
(−65)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+171
1 1 0 1
–   Hiarcs 10 Hypermodern2717+20
−20
(−71)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
−14
0 1 = 1 1 0 = 0 1 0 = = 1 1 1 0 = = = = = = 0 1 0 = 1 1 1 1
–   Ktulu 82705+9
−9
(−83)29 − 11
(+22−4=14)
72.5%
29.0 / 40
100.0%
+64
= 1 1 = = 1 1 1 = 1 1 0 = 1 = 0 1 1 = 1 1 = 1 1 1 0 = = 1 1 1 1 = 0 = 1 1 1 = =
–   SmarThink 1.00 64-bit2704+35
−35
(−84)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+7
0 1 = 1
–   Fruit 2.12695+25
−25
(−93)33.5 − 18.5
(+23−8=21)
64.4%
33.5 / 52
100.0%
0
1 = 0 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
(−99)21 − 13
(+13−5=16)
61.8%
21.0 / 34
100.0%
−30
0 = 1 0 = 1 1 1 = 1 1 = 1 0 = 1 = 1 0 = 1 0 = 1 = = = = 1 1 = = = =
–   Glaurung 1.2.1 Beren 64-bit2682+37
−37
(−106)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−32
0 = 0 1 1 1 1 1 1 = = 1 = 0 0 1 0 = 1 1 1 = = = 1 0 = = 1 =
–   Chessmaster 11 Leonidas2679+21
−21
(−109)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−109
1 = = 0
–   Junior 92676+17
−17
(−112)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−39
= 1 = 0 = = 1 1 1 = 1 1 = 0 1 1 0 0 = 1 1 1 = 1 = 1 0 = 0 1 = 0
–   SmarThink 1.00 32-bit2665+15
−15
(−123)27.5 − 10.5
(+20−3=15)
72.4%
27.5 / 38
100.0%
+20
0 1 = = 1 1 1 0 1 1 = = 1 = = 1 = 1 1 1 0 1 = 1 1 = = = 1 1 = 1 1 = = 1 = 1
–   Ktulu 7.52663+16
−16
(−125)29 − 8
(+23−2=12)
78.4%
29.0 / 37
100.0%
+69
1 1 1 1 1 = 1 = 1 1 1 = 1 1 = 1 = = = 1 = 1 0 = = 1 1 1 = 1 = 1 1 0 1 1 1
–   CM10th Xperience2661+13
−13
(−127)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−51
1 1 0 = = 1 1 0 0 1 = 1 = 0 1 = 1 = = 1 0 = 1 1 1 = = 0 = 1
–   Zap!Chess Reykjavik 32-bit2657+34
−35
(−131)6.5 − 4.5
(+3−1=7)
59.1%
6.5 / 11
100.0%
−81
= = = 1 1 = 0 = = = 1
–   Spike 1.0a2649+19
−19
(−139)24.5 − 9.5
(+20−5=9)
72.1%
24.5 / 34
100.0%
+17
= 1 1 1 1 1 1 = 1 0 0 1 0 1 1 1 0 1 = 0 = 1 = = = 1 = 1 1 1 1 = 1 1
–   Movei 00.8.4382646+18
−18
(−142)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   CM10th Ogre2645+23
−23
(−143)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+14
1 1 = =
–   Scorpio 1.812645+35
−35
(−143)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+13
= 1
–   CM10th Magic II2644+16
−16
(−144)25.5 − 12.5
(+15−2=21)
67.1%
25.5 / 38
100.0%
−44
= = 1 1 = = = 1 = 0 1 = = = 1 = 1 1 = 1 1 = = = 1 = = = 1 = 1 1 1 1 0 = = =
–   Ktulu 7.12637+18
−18
(−151)20 − 10
(+14−4=12)
66.7%
20.0 / 30
100.0%
−44
= 1 0 = 0 1 1 1 = 1 = 1 1 = = = = = 1 1 1 = 0 = 1 1 1 1 0 =
–   Chess Tiger 152636+17
−17
(−152)23 − 10
(+17−4=12)
69.7%
23.0 / 33
100.0%
−25
= 1 = = = 1 1 = 1 1 0 0 = 1 1 0 1 1 = = = 1 1 1 1 1 = 1 = 1 1 0 =
–   Delfi 5.22636+21
−21
(−152)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Glaurung 1.0.2 32-bit2634+17
−17
(−154)32.5 − 18.5
(+24−10=17)
63.7%
32.5 / 51
100.0%
−61
1 = = 1 1 1 = 1 0 1 1 0 0 1 1 1 1 1 1 = 1 0 0 0 0 1 0 1 1 = = 1 = 1 = 1 1 1 0 1 = = = = 1 = = = 0 = =
–   CM10th Warrior2633+25
−25
(−155)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Gandalf 62632+11
−11
(−156)25 − 12
(+19−6=12)
67.6%
25.0 / 37
100.0%
−38
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
–   CM10th Default2631+15
−15
(−157)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−27
1 1 1 = 1 1 0 0 = = 1 1 = = 1 = 1 = = 1 = 1 1 = 1 = 1 = 1 0
–   Hiarcs 92628+20
−20
(−160)20.5 − 9.5
(+16−5=9)
68.3%
20.5 / 30
100.0%
−34
= 1 1 = 1 1 1 = 0 0 = 1 0 1 = = 0 1 1 = 1 1 1 = = 1 1 0 1 1
–   Slow Chess Blitz WV22615+16
−16
(−173)22.5 − 5.5
(+20−3=5)
80.4%
22.5 / 28
100.0%
+66
= 0 1 1 1 1 1 = 1 0 = 1 1 1 1 = 1 = 1 1 1 0 1 1 1 1 1 1
–   Colossus 2007d2613+23
−23
(−175)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−205
=
–   FabChess 1.11 64-bit2610+33
−33
(−178)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+53
= 1 1 = 1 1
–   Naum 1.91 32-bit2605+15
−15
(−183)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
−44
= 1 1 1 1 = 1 1 1 = = = = = 1 1 1 0 0 = = 1 1 1 = 1 1 1 = 1 = = = =
–   Chess Tiger 20042595+26
−26
(−193)17 − 6
(+14−3=6)
73.9%
17.0 / 23
100.0%
−17
1 1 = = = 0 = 1 1 1 = 0 1 1 1 1 = 1 0 1 1 1 1
–   WildCat 62593+21
−21
(−195)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−109
= 1 0 1

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on December 10, 2019