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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Rybka 3 32-bit (2993+12
−12
)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
–   Arasan 21.3 64-bit3124+15
−14
(+131)4 − 10
(+2−8=4)
28.6%
4.0 / 14
0.0%
−23
–   Ethereal 10.00 64-bit3092+15
−15
(+99)5 − 9
(+1−5=8)
35.7%
5.0 / 14
0.0%
+20
–   Nemorino 5.00 64-bit3087+14
−14
(+94)6.5 − 9.5
(+4−7=5)
40.6%
6.5 / 16
0.0%
+26
–   chess22k 1.13 64-bit3068+23
−23
(+75)2.5 − 9.5
(+2−9=1)
20.8%
2.5 / 12
0.0%
−175
–   Vajolet2 2.6 64-bit3060+15
−15
(+67)7.5 − 12.5
(+2−7=11)
37.5%
7.5 / 20
0.0%
−7
–   Pedone 1.8 64-bit3059+16
−16
(+66)9.5 − 10.5
(+7−8=5)
47.5%
9.5 / 20
0.0%
+49
–   Wasp 3.75 64-bit3056+22
−22
(+63)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
0.0%
+15
–   iCE 3.0 64-bit3042+12
−12
(+49)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
−10
–   Sting SF 8.5 64-bit3040+29
−29
(+47)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.1%
+47
–   Senpai 2.0 64-bit3036+12
−12
(+43)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
−105
–   Laser 1.4 64-bit3026+18
−18
(+33)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.2%
+5
–   ChessBrainVB 3.683025+21
−21
(+32)6.5 − 7.5
(+5−6=3)
46.4%
6.5 / 14
0.4%
+11
–   Pirarucu 3.0.7 64-bit3013+19
−19
(+20)7.5 − 8.5
(+3−4=9)
46.9%
7.5 / 16
4.4%
+5
–   Arasan 20.3 64-bit3009+20
−20
(+16)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
8.8%
+40
–   Ethereal 9.30 64-bit3005+26
−25
(+12)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
21.3%
−15
–   Deuterium 2019.2.37.73 64-bit2995+22
−22
(+2)9 − 11
(+3−5=12)
45.0%
9.0 / 20
44.3%
−27
–   Rodent III 0.281 64-bit2992+20
−20
(−1)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
54.8%
−20
–   chess22k 1.11 64-bit2989+20
−20
(−4)6 − 8
(+1−3=10)
42.9%
6.0 / 14
62.2%
−43
–   ChessBrainVB 3.612988+27
−27
(−5)5 − 5
(+2−2=6)
50.0%
5.0 / 10
64.3%
−1
–   Demolito 2019-04-27 64-bit2986+19
−19
(−7)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
73.5%
+12
–   RubiChess 1.3 64-bit2981+21
−21
(−12)8.5 − 5.5
(+6−3=5)
60.7%
8.5 / 14
84.9%
+61
–   Stockfish 1.7.1 32-bit2978+17
−17
(−15)17 − 13
(+7−3=20)
56.7%
17.0 / 30
93.1%
+21
–   Naum 4.2 64-bit2976+9
−9
(−17)11 − 13
(+4−6=14)
45.8%
11.0 / 24
98.5%
−43
–   Pirarucu 2.9.5 64-bit2966+19
−19
(−27)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
99.0%
−49
–   Naum 4.2 32-bit2958+10
−10
(−35)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
+18
–   chess22k 1.10 64-bit2956+18
−18
(−37)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
0
–   Naum 4.1 32-bit2953+21
−21
(−40)18 − 12
(+7−1=22)
60.0%
18.0 / 30
99.9%
+11
–   Stockfish 1.6.3 32-bit2934+17
−17
(−59)18.5 − 13.5
(+9−4=19)
57.8%
18.5 / 32
100.0%
−13
–   Naum 4 32-bit2931+14
−14
(−62)35.5 − 22.5
(+21−8=29)
61.2%
35.5 / 58
100.0%
+6
–   Shredder 12 32-bit2929+8
−8
(−64)51 − 39
(+28−16=46)
56.7%
51.0 / 90
100.0%
−24
–   Dirty CUCUMBER 64-bit2916+14
−14
(−77)8 − 4
(+6−2=4)
66.7%
8.0 / 12
100.0%
+37
–   Rybka 2.3.2a 32-bit2912+9
−9
(−81)28.5 − 21.5
(+17−10=23)
57.0%
28.5 / 50
100.0%
−35
–   Komodo 1.2 32-bit2896+14
−14
(−97)20.5 − 9.5
(+13−2=15)
68.3%
20.5 / 30
100.0%
+12
–   Fritz 122886+11
−11
(−107)21.5 − 12.5
(+13−4=17)
63.2%
21.5 / 34
100.0%
−30
–   Critter 0.70 32-bit2877+19
−19
(−116)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+67
–   Hiarcs 13.12874+14
−14
(−119)21 − 9
(+14−2=14)
70.0%
21.0 / 30
100.0%
+3
–   Komodo 1.0 32-bit2868+16
−16
(−125)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+82
–   Stockfish 1.5.1 32-bit2864+15
−15
(−129)24 − 10
(+17−3=14)
70.6%
24.0 / 34
100.0%
+3
–   Naum 3.1 32-bit2858+16
−16
(−135)50 − 17
(+36−3=28)
74.6%
50.0 / 67
100.0%
+22
–   Thinker 5.4d Inert 32-bit2856+10
−10
(−137)26 − 8
(+18−0=16)
76.5%
26.0 / 34
100.0%
+26
–   Doch 1.3.4 32-bit2856+22
−22
(−137)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+20
–   Fritz 112852+10
−10
(−141)38.5 − 15.5
(+26−3=25)
71.3%
38.5 / 54
100.0%
−10
–   Thinker 5.4c Inert 32-bit2849+13
−13
(−144)22.5 − 11.5
(+18−7=9)
66.2%
22.5 / 34
100.0%
−31
–   Thinker 5.3b Inert 32-bit2845+19
−19
(−148)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
−97
–   Thinker 5.4a Inert 32-bit2835+21
−21
(−158)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+86
–   Shredder 112832+12
−12
(−161)57 − 17
(+43−3=28)
77.0%
57.0 / 74
100.0%
+17
–   Deep Junior 11.1a 32-bit2831+17
−17
(−162)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−47
–   Critter 0.60 32-bit2830+23
−23
(−163)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
+33
–   Stockfish 1.4 32-bit2830+16
−16
(−163)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
0
–   Cyclone xTreme Fury2827+19
−19
(−166)22 − 8
(+17−3=10)
73.3%
22.0 / 30
100.0%
−5
–   Toga II 1.4.1SE2826+12
−12
(−167)42.5 − 15.5
(+31−4=23)
73.3%
42.5 / 58
100.0%
−13
–   Grapefruit 1.0 32-bit2826+9
−9
(−167)33.5 − 11.5
(+25−3=17)
74.4%
33.5 / 45
100.0%
−5
–   Deep Sjeng WC2008 32-bit2825+12
−12
(−168)40.5 − 10.5
(+32−2=17)
79.4%
40.5 / 51
100.0%
+36
–   Protector 1.3.4 32-bit2824+15
−15
(−169)22.5 − 7.5
(+16−1=13)
75.0%
22.5 / 30
100.0%
−13
–   Cyclone xTreme2824+13
−13
(−169)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−30
–   Cyclone 3.42822+21
−21
(−171)27.5 − 7.5
(+21−1=13)
78.6%
27.5 / 35
100.0%
+20
–   Cyclone xTreme Rage2820+25
−25
(−173)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+116
–   Hiarcs 12.12817+11
−11
(−176)37.5 − 10.5
(+29−2=17)
78.1%
37.5 / 48
100.0%
+15
–   Deep Sjeng 3.0 32-bit2813+21
−21
(−180)43 − 10
(+35−2=16)
81.1%
43.0 / 53
100.0%
+41
–   Hiarcs 12 Sharpen PV On2813+13
−14
(−180)21.5 − 9.5
(+14−2=15)
69.4%
21.5 / 31
100.0%
−63
–   Zappa Mexico II 32-bit2809+12
−12
(−184)38 − 13
(+29−4=18)
74.5%
38.0 / 51
100.0%
−20
–   Hiarcs 122808+14
−14
(−185)41 − 14
(+32−5=18)
74.5%
41.0 / 55
100.0%
−17
–   Spark 0.3a 32-bit2799+17
−17
(−194)28.5 − 5.5
(+23−0=11)
83.8%
28.5 / 34
100.0%
+44
–   Onno 1.1.1 32-bit2797+18
−18
(−196)31 − 7
(+26−2=10)
81.6%
31.0 / 38
100.0%
+34
–   Spark 0.3 32-bit2797+16
−16
(−196)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
+11
–   Doch 09.980 32-bit2795+19
−19
(−198)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+8
–   Protector 1.3.2 32-bit2795+21
−21
(−198)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
0
–   Hiarcs Paderborn 20072795+18
−18
(−198)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−56
–   Onno 1.0 32-bit2793+18
−18
(−200)23.5 − 6.5
(+20−3=7)
78.3%
23.5 / 30
100.0%
+10
–   Stockfish 1.3.1 32-bit2793+25
−25
(−200)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−6
–   Fruit 2.3.12786+14
−14
(−207)27.5 − 7.5
(+21−1=13)
78.6%
27.5 / 35
100.0%
−17
–   Grapefruit 1.0a32782+31
−32
(−211)17.5 − 2.5
(+17−2=1)
87.5%
17.5 / 20
100.0%
+146
–   Stockfish 1.2 Default2780+21
−22
(−213)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+31
–   Bright 0.4a2776+10
−10
(−217)27 − 4
(+23−0=8)
87.1%
27.0 / 31
100.0%
+63
–   Loop 13.6 (Loop 2007) 32-bit2773+10
−10
(−220)45 − 11
(+37−3=16)
80.4%
45.0 / 56
100.0%
−1
–   Glaurung 2.1 32-bit2765+17
−18
(−228)68.5 − 15.5
(+56−3=25)
81.5%
68.5 / 84
100.0%
−2
–   Thinker 5.2e Passive2761+28
−28
(−232)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−73
–   Ktulu 92754+12
−12
(−239)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+36
–   Spike 1.2 Turin2745+7
−7
(−248)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
−72
–   Junior 102743+13
−13
(−250)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+31
–   Chessmaster 11 Archangel2695+21
−21
(−298)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
−17

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