CCRL 40/15
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 1'183'411 games
played by 2'723 programs

White wins: 407'663 (34.4%)
Black wins: 301'004 (25.4%)
Draws: 474'744 (40.1%)
White score: 54.5%

Engine Details

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Rybka 1.0 64-bit (2825+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-bit2900+18
−18
(+75)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−102
–   Rybka 1.2 64-bit2898+18
−18
(+73)10.5 − 21.5
(+3−14=15)
32.8%
10.5 / 32
0.0%
−32
–   iCE 2.0 64-bit2893+17
−17
(+68)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+64
–   Demolito 2017-08-26 64-bit2890+20
−20
(+65)1 − 7
(+1−7=0)
12.5%
1.0 / 8
0.0%
−324
–   Topple 0.7.1 64-bit2889+25
−25
(+64)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.0%
+106
–   Arasan 18.2 64-bit2887+29
−29
(+62)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+20
–   Vajolet2 1.44 64-bit2876+31
−30
(+51)6 − 4
(+3−1=6)
60.0%
6.0 / 10
0.1%
+106
–   Amoeba 2.5 64-bit2873+23
−23
(+48)7 − 9
(+4−6=6)
43.8%
7.0 / 16
0.0%
+10
–   Vajolet2 1.45 64-bit2867+20
−20
(+42)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
0.0%
+213
–   Scorpio 2.7.9 64-bit2867+25
−25
(+42)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.2%
+36
–   The Baron 3.44 64-bit2866+13
−13
(+41)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.0%
+41
–   Crafty 25.0 64-bit2864+20
−20
(+39)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.1%
+11
–   Gaviota 1.0 64-bit2860+11
−11
(+35)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+7
–   Arasan 18.0 64-bit2860+26
−26
(+35)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.8%
−112
–   Marvin 3.3.2 64-bit2858+20
−21
(+33)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
0.4%
−47
–   Francesca MAD 0.27 64-bit2856+27
−27
(+31)2 − 4
(+1−3=2)
33.3%
2.0 / 6
2.1%
−81
–   EXchess 7.92b 64-bit2855+22
−22
(+30)5 − 5
(+2−2=6)
50.0%
5.0 / 10
1.1%
+30
–   Tucano 7.06 64-bit2853+20
−20
(+28)10 − 10
(+4−4=12)
50.0%
10.0 / 20
1.1%
+28
–   Andscacs 0.70 64-bit2853+27
−27
(+28)5 − 5
(+2−2=6)
50.0%
5.0 / 10
3.3%
+24
–   Rodent 1.7 64-bit2851+19
−19
(+26)6 − 4
(+4−2=4)
60.0%
6.0 / 10
1.2%
+84
–   Atlas 3.80 64-bit2848+14
−14
(+23)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.9%
+85
–   Vajolet2 1.28 64-bit2846+22
−22
(+21)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
5.0%
−102
–   Tornado 8.0 64-bit2843+13
−13
(+18)7 − 3
(+5−1=4)
70.0%
7.0 / 10
2.9%
+150
–   Arasan 17.5 64-bit2841+25
−25
(+16)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
13.0%
−15
–   The Baron 3.43 64-bit2838+24
−24
(+13)6 − 4
(+3−1=6)
60.0%
6.0 / 10
17.2%
+68
–   The Baron 3.41 64-bit2838+22
−22
(+13)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
16.1%
−14
–   Asymptote 0.6.3 64-bit2837+24
−24
(+12)4 − 6
(+3−5=2)
40.0%
4.0 / 10
19.4%
−62
–   Pedone 1.3 64-bit2836+23
−23
(+11)6 − 4
(+4−2=4)
60.0%
6.0 / 10
20.4%
+79
–   Counter 3.2 64-bit2835+19
−19
(+10)7 − 9
(+4−6=6)
43.8%
7.0 / 16
19.3%
−30
–   Winter 0.4a 64-bit2834+24
−24
(+9)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
25.4%
−67
–   Fizbo 1.2 64-bit2833+27
−27
(+8)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
29.0%
−78
–   SmarThink 1.50 64-bit2831+24
−24
(+6)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
32.5%
−21
–   Scorpio 2.7.8 64-bit2830+27
−27
(+5)4 − 6
(+2−4=4)
40.0%
4.0 / 10
36.7%
−58
–   Texel 1.02 64-bit2828+28
−28
(+3)8 − 2
(+8−2=0)
80.0%
8.0 / 10
42.3%
+284
–   Pedone 1.2 64-bit2826+26
−26
(+1)6 − 4
(+4−2=4)
60.0%
6.0 / 10
46.7%
+63
–   Tucano 7.05 64-bit2824+29
−28
(−1)4 − 6
(+1−3=6)
40.0%
4.0 / 10
50.9%
−59
–   chess22k 1.6 64-bit2824+28
−28
(−1)5 − 5
(+2−2=6)
50.0%
5.0 / 10
52.3%
−4
–   DisasterArea 1.542822+31
−31
(−3)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
55.6%
+99
–   NirvanaChess 1.5 64-bit2822+29
−29
(−3)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
56.6%
+83
–   SmarThink 1.40 64-bit2822+32
−32
(−3)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
56.0%
+168
–   Tornado 6.0 64-bit2820+21
−21
(−5)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
63.7%
+32
–   Tornado 7.0 64-bit2817+19
−19
(−8)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
74.1%
−35
–   Topple 0.7.0 64-bit2814+27
−27
(−11)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
74.8%
−34
–   Minic 1.09 64-bit2813+27
−27
(−12)9 − 5
(+7−3=4)
64.3%
9.0 / 14
78.1%
+92
–   NirvanaChess 1.7 64-bit2812+31
−31
(−13)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
77.2%
+31
–   Zurichess Luzern 64-bit2793+24
−24
(−32)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.8%
+32
–   Arasan 17.1 64-bit2792+31
−31
(−33)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
97.0%
−60
–   Hiarcs 11.12790+15
−15
(−35)15 − 15
(+7−7=16)
50.0%
15.0 / 30
100.0%
−36
–   Toga II 1.3.12789+11
−12
(−36)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
100.0%
−26
–   Arasan 17.2 64-bit2789+28
−28
(−36)3 − 5
(+1−3=4)
37.5%
3.0 / 8
98.8%
−109
–   Bobcat 6.4b 64-bit2788+24
−24
(−37)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.6%
+9
–   Rybka 1.0 32-bit2786+14
−14
(−39)13 − 14
(+3−4=20)
48.1%
13.0 / 27
100.0%
−50
–   Rodent 1.5 64-bit2785+21
−21
(−40)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
99.9%
−67
–   The Baron 3.29 64-bit2785+18
−18
(−40)5 − 5
(+2−2=6)
50.0%
5.0 / 10
100.0%
−40
–   RuyDos 1.1.6 64-bit2783+17
−17
(−42)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+53
–   Crafty 24.0 64-bit2771+28
−28
(−54)3 − 3
(+2−2=2)
50.0%
3.0 / 6
100.0%
−46
–   Strelka 1.8 32-bit2769+19
−19
(−56)22.5 − 9.5
(+14−1=17)
70.3%
22.5 / 32
100.0%
+61
–   Toga II 1.3.42767+28
−28
(−58)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
+30
–   Toga II 1.2.1a 32-bit2760+12
−12
(−65)25.5 − 16.5
(+16−7=19)
60.7%
25.5 / 42
100.0%
0
–   Spike 1.2 Turin2745+7
−7
(−80)27 − 15
(+17−5=20)
64.3%
27.0 / 42
100.0%
+5
–   Fruit 2.2.12743+13
−13
(−82)17.5 − 11.5
(+11−5=13)
60.3%
17.5 / 29
100.0%
−17
–   Fritz 92742+14
−14
(−83)34.5 − 25.5
(+25−16=19)
57.5%
34.5 / 60
100.0%
−33
–   Hiarcs 102740+16
−16
(−85)38 − 22
(+25−9=26)
63.3%
38.0 / 60
100.0%
−2
–   Toga II 1.1a 32-bit2731+16
−16
(−94)16.5 − 9.5
(+12−5=9)
63.5%
16.5 / 26
100.0%
−7
–   Shredder 92726+17
−17
(−99)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−35
–   Hiarcs 10 Hypermodern2718+20
−20
(−107)17 − 12
(+10−5=14)
58.6%
17.0 / 29
100.0%
−53
–   Naum 2.0 64-bit2697+23
−23
(−128)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−7
–   Naum 2.0 32-bit2697+15
−15
(−128)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
−11
–   Spike 1.12689+15
−15
(−136)22 − 8
(+14−0=16)
73.3%
22.0 / 30
100.0%
+2
–   Chess Tiger 20072682+12
−13
(−143)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−69
–   Junior 92676+17
−17
(−149)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+67
–   Scorpio 1.92669+31
−31
(−156)17.5 − 6.5
(+15−4=5)
72.9%
17.5 / 24
100.0%
+13
–   SmarThink 1.00 32-bit2666+15
−15
(−159)22.5 − 6.5
(+18−2=9)
77.6%
22.5 / 29
100.0%
+34
–   Glaurung 1.2.1 64-bit2665+23
−23
(−160)32.5 − 9.5
(+27−4=11)
77.4%
32.5 / 42
100.0%
+40
–   Ktulu 7.52663+15
−15
(−162)17.5 − 9.5
(+12−4=11)
64.8%
17.5 / 27
100.0%
−70
–   CM10th Xperience2660+13
−13
(−165)20 − 4
(+16−0=8)
83.3%
20.0 / 24
100.0%
+67
–   Glaurung 1.2.1 32-bit2655+17
−17
(−170)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+88
–   Spike 1.0a2649+18
−19
(−176)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−1
–   CM10th Magic II2644+15
−16
(−181)19 − 7
(+14−2=10)
73.1%
19.0 / 26
100.0%
−31
–   Scorpio 1.82641+20
−20
(−184)33 − 9
(+28−4=10)
78.6%
33.0 / 42
100.0%
+28
–   Slow Chess Blitz WV2.12637+11
−11
(−188)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
+4
–   Ktulu 7.12637+18
−18
(−188)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
−40
–   Chess Tiger 152636+17
−17
(−189)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
0
–   Gandalf 62635+11
−11
(−190)21.5 − 8.5
(+16−3=11)
71.7%
21.5 / 30
100.0%
−44
–   CM10th Default2632+15
−15
(−193)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
−30
–   Hiarcs 92628+19
−20
(−197)23 − 6
(+20−3=6)
79.3%
23.0 / 29
100.0%
+27
–   WildCat 72627+14
−14
(−198)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+54
–   List 5.122618+18
−18
(−207)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
−104
–   Zappa 1.1 64-bit2615+18
−18
(−210)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−59
–   Pharaon 3.5.12614+12
−12
(−211)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+61
–   Naum 1.91 64-bit2610+15
−15
(−215)26.5 − 3.5
(+23−0=7)
88.3%
26.5 / 30
100.0%
+86
–   Ruffian 1.0.52609+20
−20
(−216)25 − 7
(+19−1=12)
78.1%
25.0 / 32
100.0%
−33
–   Chess Tiger 20042595+26
−26
(−230)18 − 7
(+15−4=6)
72.0%
18.0 / 25
100.0%
−71

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Created in 2005-2013 by CCRL team
Last games added on October 17, 2020