CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Rybka 1.0 32-bit (2786+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
(+120)3 − 3
(+2−2=2)
50.0%
3.0 / 6
0.0%
+127
0 1 = 1 = 0
–   Gull 1.2 32-bit2876+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
(+81)9 − 20
(+1−12=16)
31.0%
9.0 / 29
0.0%
−31
0 = 0 0 = = 0 = = = = 0 0 = 0 = 0 = 0 = 1 0 = 0 0 = = = =
–   Naum 3.1 32-bit2861+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-bit2856+18
−18
(+70)11 − 19
(+2−10=18)
36.7%
11.0 / 30
0.0%
−6
0 = 0 = = = 0 = 0 0 = = = 1 0 = = = = = = = = 1 0 = 0 0 0 =
–   Protector 1.3.6 64-bit2851+29
−29
(+65)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−161
0 0 0 1
–   Bobcat 7.1 64-bit2849+25
−25
(+63)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.0%
+67
= = = 0 0 1 1 1 = 0
–   Booot 5.1.02845+10
−11
(+59)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+126
= = = 1
–   Arasan 17.4 64-bit2844+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-bit2838+17
−16
(+52)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+52
1 = = = = = = 0 1 0
–   Zappa Mexico 64-bit2834+16
−16
(+48)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−109
0 =
–   Deep Shredder 10 64-bit 4CPU2833+17
−17
(+47)12 − 16
(+6−10=12)
42.9%
12.0 / 28
0.0%
+4
= 0 0 = 0 = 0 = 1 1 = 0 = = 0 0 = = 0 = 1 = 1 = 1 1 0 0
–   Glaurung 2.0.1 64-bit 4CPU2831+17
−17
(+45)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+75
=
–   MinkoChess 1.3 32-bit2828+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 Fury2828+19
−19
(+42)11 − 9
(+3−1=16)
55.0%
11.0 / 20
0.0%
+64
= = = = = = 1 = = 1 = = 0 = = = = = 1 =
–   Rybka 1.0 64-bit2825+14
−14
(+39)14 − 13
(+4−3=20)
51.9%
14.0 / 27
0.0%
+50
= = 0 = = = 0 = 1 = = 1 = = = = = = = = 1 1 = = = 0 =
–   Zurichess Neuchatel 64-bit2825+23
−23
(+39)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.3%
+113
1 = = = 1 0 = 1
–   Toga II 1.4.1SE62822+23
−23
(+36)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.5%
+36
= = = =
–   GNU Chess 5.60 64-bit2813+19
−19
(+27)4 − 6
(+2−4=4)
40.0%
4.0 / 10
1.4%
−40
0 = 1 = 0 0 0 1 = =
–   Amoeba 2.4 64-bit2812+26
−26
(+26)6 − 4
(+4−2=4)
60.0%
6.0 / 10
4.7%
+94
= 1 1 1 = 0 1 0 = =
–   Hiarcs 122810+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-bit2810+31
−31
(+24)5 − 5
(+1−1=8)
50.0%
5.0 / 10
8.7%
+24
= = = = 0 = = 1 = =
–   Bright 0.2c 4CPU2808+21
−21
(+22)0 − 1
(+0−1=0)
0.0%
0.0 / 1
5.1%
−INF
0
–   Arasan 17.3 64-bit2807+32
−32
(+21)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
11.3%
−188
0 0 = 0 0 = 0 =
–   Dirty 10Apr2015 64-bit2807+24
−24
(+21)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
7.2%
−63
= 0 1 0 = 0 = = = 0
–   Scorpio 2.7.7 64-bit2806+16
−16
(+20)4 − 6
(+1−3=6)
40.0%
4.0 / 10
3.7%
−38
= = 0 = 0 1 = = 0 =
–   Crafty 24.1 64-bit2804+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-bit2803+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-bit2802+31
−31
(+16)4 − 6
(+3−5=2)
40.0%
4.0 / 10
17.7%
−57
0 = 1 0 0 1 0 0 = 1
–   Rhetoric 1.4.3 64-bit2800+14
−14
(+14)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
8.3%
−63
= 0 = = = = 0 = = 0
–   Naum 2.2 64-bit2799+25
−25
(+13)1 − 0
(+1−0=0)
100.0%
1.0 / 1
18.9%
+INF
1
–   Pedone 1.1 64-bit2798+24
−24
(+12)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
19.2%
−30
0 1 1 = 0 0 0 1 0 1
–   GnuCheese 1.00 64-bit2795+16
−16
(+9)6 − 4
(+3−1=6)
60.0%
6.0 / 10
20.2%
+64
= 1 = = 1 = = = 0 1
–   Atlas 3.70em 64-bit2788+22
−22
(+2)1 − 3
(+0−2=2)
25.0%
1.0 / 4
41.8%
−155
0 = 0 =
–   Fruit 2.3.12785+14
−14
(−1)0 − 1
(+0−1=0)
0.0%
0.0 / 1
51.7%
−INF
0
–   Pawny 1.2 64-bit2784+16
−16
(−2)7 − 3
(+4−0=6)
70.0%
7.0 / 10
56.6%
+112
= 1 = = = 1 = = 1 1
–   Cyclone 1.02782+32
−32
(−4)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
58.4%
−63
0 = = =
–   Glaurung 2.2 64-bit2782+16
−16
(−4)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
62.8%
−89
0 1 0 =
–   Octochess r5506 64-bit2781+19
−19
(−5)7 − 3
(+5−1=4)
70.0%
7.0 / 10
62.8%
+122
= = = 1 1 1 1 1 0 =
–   Naraku 1.42777+17
−16
(−9)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
78.2%
−40
0 1 0 0 = 1 = 1 0 =
–   EXchess 7.18b 64-bit2775+23
−23
(−11)2 − 2
(+0−0=4)
50.0%
2.0 / 4
76.8%
−11
= = = =
–   Fruit 05/11/032774+20
−20
(−12)2 − 0
(+2−0=0)
100.0%
2.0 / 2
81.1%
+INF
1 1
–   Loop M1-T 64-bit2772+30
−30
(−14)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
78.2%
+128
= 1
–   Shredder 102771+13
−13
(−15)22.5 − 17.5
(+14−9=17)
56.3%
22.5 / 40
92.8%
+22
0 0 1 1 1 0 = = 1 = 1 1 = = 0 0 = = = 0 1 = = 1 = 1 = 1 0 = 1 = = 0 = 1 1 1 = 0
–   Toga II 1.3.42768+28
−28
(−18)1 − 0
(+1−0=0)
100.0%
1.0 / 1
86.3%
+INF
1
–   Loop 10.32f2766+19
−19
(−20)13.5 − 11.5
(+5−3=17)
54.0%
13.5 / 25
94.6%
+1
= = 0 = = = = = 1 1 = 1 = = = = 0 1 = = = = = 0 1
–   Texel 1.01 32-bit2765+28
−28
(−21)2 − 2
(+1−1=2)
50.0%
2.0 / 4
89.7%
−21
1 = = 0
–   Thinker 5.2e Passive2762+28
−28
(−24)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
92.8%
−91
= = = 0
–   Laser 1.1 64-bit2754+27
−27
(−32)7 − 3
(+5−1=4)
70.0%
7.0 / 10
97.8%
+98
= 1 = 1 = 1 0 1 1 =
–   Dirty 05Sep2012 64-bit2753+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
(−42)18 − 11
(+9−2=18)
62.1%
18.0 / 29
100.0%
+23
1 1 1 1 1 = = = = = 1 = = = 1 = 1 = = = 1 = = = = 0 0 = =
–   Fritz 92743+14
−14
(−43)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
100.0%
+2
0 = 1 1 1 1 1 1 1 0 = = = 1 0 = 0 1 0 = 0 = 0 1 1 = = 0 = 1 = 0 1 1
–   Fruit 2.2.12743+14
−14
(−43)21.5 − 12.5
(+15−6=13)
63.2%
21.5 / 34
100.0%
+46
1 1 1 = 0 = 0 = 1 0 1 = = 1 = 1 = 1 1 1 = = = 1 0 = 1 = 1 0 1 0 = 1
–   Hiarcs 102740+16
−16
(−46)17.5 − 16.5
(+7−6=21)
51.5%
17.5 / 34
100.0%
−38
1 1 1 0 = = 0 0 = 1 = = 0 = 1 = = = = = 0 = = 0 = = = 1 = = = 1 = =
–   Toga II 1.1a 32-bit2732+17
−17
(−54)18 − 16
(+14−12=8)
52.9%
18.0 / 34
100.0%
−31
= 0 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 = =
–   Arasan 16.1 64-bit2730+32
−32
(−56)1 − 3
(+0−2=2)
25.0%
1.0 / 4
99.9%
−212
0 = 0 =
–   Shredder 92726+18
−17
(−60)21 − 17
(+16−12=10)
55.3%
21.0 / 38
100.0%
−20
1 = 0 1 1 1 1 0 0 1 1 1 = 0 = 0 = 0 0 0 = = 1 = 1 1 0 0 0 1 = = 1 1 0 1 1 =
–   Tucano 6.00 64-bit2724+16
−16
(−62)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+37
1 = 1 = 0 1 0 1 = 1
–   Twisted Logic 200806202723+16
−17
(−63)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+173
1 0 1 1
–   Hiarcs 10 Hypermodern2718+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-bit2708+36
−36
(−78)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+13
1 = 1 0
–   Ktulu 82705+9
−9
(−81)29 − 11
(+22−4=14)
72.5%
29.0 / 40
100.0%
+66
= 1 1 = 1 0 = = = 1 1 1 = 1 1 0 1 1 1 1 1 = 1 1 = 1 = 0 1 1 = 1 = 0 = 1 1 1 = =
–   Fruit 2.12695+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
(−97)21 − 13
(+13−5=16)
61.8%
21.0 / 34
100.0%
−28
= 1 0 = 1 1 1 = 1 1 = 1 0 = 1 = 1 0 = 1 0 = 1 = = = = 1 1 = = = = 0
–   Glaurung 1.2.1 Beren 64-bit2682+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 Leonidas2681+21
−21
(−105)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−105
= = 0 1
–   Junior 92677+17
−17
(−109)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−36
= 0 = 1 = 1 = 1 0 = 0 1 = 0 0 1 1 0 0 = 1 1 1 = = 1 1 1 = 1 1 =
–   SmarThink 1.00 32-bit2665+15
−15
(−121)27.5 − 10.5
(+20−3=15)
72.4%
27.5 / 38
100.0%
+22
1 1 = 0 1 1 = 1 1 = = 1 = = 1 = 1 1 1 0 1 = 1 1 = = = 1 1 = 1 1 = = 1 = 1 0
–   Ktulu 7.52664+16
−16
(−122)29 − 8
(+23−2=12)
78.4%
29.0 / 37
100.0%
+72
1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 0 1 1 = = = 1 = 1 0 = = 1 1 1 = 1 1 = 1 =
–   CM10th Xperience2661+13
−13
(−125)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−49
= 1 0 = 1 1 1 = = 0 = 1 1 = 1 = 0 1 = 1 = 1 1 0 = = 1 1 0 0
–   Zap!Chess Reykjavik 32-bit2658+34
−35
(−128)6.5 − 4.5
(+3−1=7)
59.1%
6.5 / 11
100.0%
−78
1 = = = 1 = 0 = = = 1
–   Spike 1.0a2650+19
−19
(−136)24.5 − 9.5
(+20−5=9)
72.1%
24.5 / 34
100.0%
+20
1 1 = 1 0 0 1 1 1 = 0 = 1 1 1 = 1 1 1 1 1 = 1 1 1 = = = 1 = 0 1 0 1
–   CM10th Magic II2647+16
−16
(−139)25.5 − 12.5
(+15−2=21)
67.1%
25.5 / 38
100.0%
−39
= 1 = 0 1 = = = 1 = 1 1 = 1 1 = = = 1 = = = 1 = 1 1 1 1 0 = = = 1 1 = = = =
–   CM10th Ogre2647+24
−24
(−139)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+18
= = 1 1
–   Movei 00.8.4382646+18
−18
(−140)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Scorpio 1.812645+36
−36
(−141)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+15
= 1
–   Ktulu 7.12638+18
−18
(−148)20 − 10
(+14−4=12)
66.7%
20.0 / 30
100.0%
−41
1 1 = 0 = 1 1 1 1 0 = 1 = 1 1 = = = = = 1 = 1 0 = 0 1 1 1 =
–   Delfi 5.22637+21
−21
(−149)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Chess Tiger 152636+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
(−152)32.5 − 18.5
(+24−10=17)
63.7%
32.5 / 51
100.0%
−59
1 = 1 0 1 = = = 0 = = 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
–   CM10th Warrior2634+25
−25
(−152)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Gandalf 62633+11
−12
(−153)25 − 12
(+19−6=12)
67.6%
25.0 / 37
100.0%
−35
= = 1 1 1 1 = 1 1 = 0 = = = 0 1 0 1 1 1 0 = = = 1 1 1 1 1 1 0 = 0 = 1 1 1
–   CM10th Default2632+14
−15
(−154)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−24
= = 1 = 1 1 = 1 = 1 = 1 0 = = 1 1 = = 1 = 1 1 1 1 = 1 1 0 0
–   Hiarcs 92628+19
−20
(−158)20.5 − 9.5
(+16−5=9)
68.3%
20.5 / 30
100.0%
−32
= 1 1 1 = = 1 1 0 1 1 0 = 1 0 1 = = 0 1 1 = 1 1 = 1 1 1 = 0
–   Slow Chess Blitz WV22616+16
−16
(−170)22.5 − 5.5
(+20−3=5)
80.4%
22.5 / 28
100.0%
+69
1 1 1 = 1 = 1 1 = 1 0 = 1 1 1 0 1 1 1 1 1 = 0 1 1 1 1 1
–   Colossus 2007d2613+23
−23
(−173)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−203
=
–   Naum 1.91 32-bit2605+15
−15
(−181)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
−42
1 = 1 = = = = = 1 1 = 1 1 1 0 1 1 1 = = = 0 = = 1 1 = 1 1 1 1 1 = =
–   Chess Tiger 20042595+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 62594+21
−21
(−192)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−106
1 = 0 1

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Created in 2005-2013 by CCRL team
Last games added on February 17, 2018