CCRL 40/4
Downloads and Statistics
November 16, 2017
Testing summary:
Total: 1'577'904 games
played by 1'862 programs
21074 CPU days (X2 4600+)

White wins: 617'441 (39.1%)
Black wins: 503'303 (31.9%)
Draws: 457'160 (29.0%)
White score: 53.6%

Engine Details

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Rybka 4 64-bit (3101+13
−13
)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 25 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 3 64-bit3217+14
−14
(+116)2 − 14
(+0−12=4)
12.5%
2.0 / 16
0.0%
−172
= = 0 0 0 0 0 = 0 0 0 0 0 0 0 =
–   Houdini 2.0c 64-bit3202+15
−15
(+101)3.5 − 12.5
(+0−9=7)
21.9%
3.5 / 16
0.0%
−74
= = 0 = = = 0 0 0 0 0 0 0 = 0 =
–   Houdini 1.5a 64-bit3169+11
−11
(+68)13 − 21
(+6−14=14)
38.2%
13.0 / 34
0.0%
−9
= 0 0 1 = = 1 0 0 = 0 0 = = 0 = 1 0 = = 0 1 1 = 0 = 0 = 0 = 0 = 0 1
–   Critter 1.6a 64-bit3159+8
−8
(+58)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
0.0%
+40
0 1 0 1 = 1 0 1 = = = 0 0 = = =
–   Fritz 16 64-bit3153+21
−21
(+52)23 − 37
(+8−22=30)
38.3%
23.0 / 60
0.0%
−18
= = 0 = 0 = 0 = 0 0 0 = = = = = = = = = = 0 1 0 0 = = = = = 1 1 0 1 0 1 0 0 0 = 1 = = 0 0 0 0 = = 1 0 = = 1 = 0 0 = = 0
–   Komodo 5 64-bit3145+13
−13
(+44)8 − 8
(+4−4=8)
50.0%
8.0 / 16
0.0%
+41
0 = = 0 1 1 = = 0 = 0 = = = 1 1
–   Critter 1.4 64-bit3141+15
−15
(+40)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
0.0%
+60
= = 1 0 0 0 1 = 1 = = 0 1 = = 1
–   Stockfish 1.7.1 64-bit 4CPU3140+13
−13
(+39)20.5 − 29.5
(+7−16=27)
41.0%
20.5 / 50
0.0%
−13
= 0 0 0 1 = = = = 0 = 0 = 0 1 0 0 0 = = = = 0 0 1 0 0 = = = 1 = = = 0 1 = 0 = 0 = = = = = = 1 = 1 =
–   Stockfish 1.8 64-bit 4CPU3136+16
−16
(+35)21 − 29
(+10−18=22)
42.0%
21.0 / 50
0.0%
−13
1 0 0 1 0 1 0 0 = 0 0 = 0 = = = = 0 = 1 = 0 0 = = 1 = 1 0 = 0 0 = 1 0 = 0 = 0 1 0 = 1 = = = = = = 1
–   Houdini 1.03a 64-bit3116+20
−19
(+15)46 − 53
(+21−28=50)
46.5%
46.0 / 99
9.5%
−5
= 1 1 0 = 0 = = = = 0 = = = 0 0 = 1 = = = = 1 = = = = = = = 0 = 0 = 0 = 1 0 1 = 0 = = 0 1 0 1 = = = = 0 0 0 = 0 = 0 1 0 = 0 = 1 1 = = = 0 1 = 0 = = = 1 = = 1 1 = = 0 = 0 = 0 = 1 1 = 0 0 1 1 0 0 1 1
–   Stockfish 2.2.2 64-bit3115+14
−14
(+14)8 − 8
(+4−4=8)
50.0%
8.0 / 16
7.4%
+16
= 0 1 0 = 0 1 = 1 = = = 0 = 1 =
–   Rybka 4.1 64-bit3109+7
−7
(+8)8.5 − 7.5
(+3−2=11)
53.1%
8.5 / 16
13.9%
+27
= = = = 1 = 0 0 1 = = = 1 = = =
–   Naum 4.2 64-bit 4CPU3098+8
−8
(−3)26.5 − 21.5
(+18−13=17)
55.2%
26.5 / 48
65.4%
+29
= 1 0 1 = 1 = 0 0 0 = = 1 1 0 1 = = = 0 1 1 = 0 1 1 = = 0 = 0 0 1 1 1 = 0 1 1 1 1 0 = 1 = 0 = =
–   Rybka 3 64-bit3078+9
−9
(−23)48.5 − 33.5
(+25−10=47)
59.1%
48.5 / 82
99.9%
+30
= = 0 = 1 = 1 = 1 0 = 1 1 = = = 1 = = 0 = = = = 1 = 0 = = = 1 1 1 = = 0 1 = 1 = = = = 1 1 = 0 = = = = = 0 = 0 = 1 1 1 = 1 0 = = = = = = 1 = 1 = 0 1 = 1 = 1 = 1 = 1
–   Stockfish 1.9.1 64-bit3054+20
−20
(−47)18 − 12
(+13−7=10)
60.0%
18.0 / 30
100.0%
+15
1 1 0 = 1 0 1 = 1 0 = 1 1 = 0 = 1 1 1 = 0 1 = = 0 = = 0 1 1
–   Stockfish 1.7.1 64-bit3045+14
−14
(−56)51 − 31
(+31−11=40)
62.2%
51.0 / 82
100.0%
+18
= 1 = = 1 = 0 1 0 = = 1 = = 0 = = = = 1 = 1 = 1 = = = = 0 = = 1 = = 0 1 1 = 1 1 1 = 1 0 0 1 1 = 1 1 0 = = = = 0 1 1 1 1 1 0 = 1 1 1 0 = = 1 = = = 1 = = 1 = 1 1 = =
–   Deep Shredder 12 64-bit 4CPU3040+7
−7
(−61)25 − 25
(+12−12=26)
50.0%
25.0 / 50
100.0%
−61
1 = 0 = = 1 0 = = 0 1 1 = = = = = = 1 = 0 = 0 1 = = 0 1 1 = = 1 = 0 = = 1 0 0 0 1 = = = = 0 0 1 = =
–   Spark 0.4 64-bit 4CPU2988+14
−14
(−113)33.5 − 16.5
(+21−4=25)
67.0%
33.5 / 50
100.0%
−12
1 = = 1 1 = = 1 = = = = 0 = 0 = = = 1 1 1 1 0 1 1 = 1 = = 1 = 1 1 = 1 = = = 1 1 = 1 = 1 = 1 = = 1 0
–   Naum 4.2 64-bit2987+8
−8
(−114)38 − 18
(+25−5=26)
67.9%
38.0 / 56
100.0%
−6
= = = 0 1 1 = = = = 1 = 1 1 = = = 0 1 1 1 = 1 1 0 = = 1 = 1 1 0 = 1 = 1 = = = 1 1 1 = 1 1 = 1 0 1 1 1 1 = = = =
–   Fritz 132985+10
−10
(−116)10 − 6
(+6−2=8)
62.5%
10.0 / 16
100.0%
−40
0 = = 1 1 = 0 1 = 1 = 1 = = = 1
–   Critter 0.70 64-bit2974+18
−18
(−127)37.5 − 11.5
(+31−5=13)
76.5%
37.5 / 49
100.0%
+63
1 = = 1 = 0 1 = 1 1 1 = 1 = 1 = = 1 = 1 1 1 = 1 1 1 1 0 1 1 1 1 0 = 0 1 1 1 = 1 1 0 1 1 1 1 = 1 1
–   Zappa Mexico II 64-bit 4CPU2970+8
−7
(−131)34.5 − 15.5
(+25−6=19)
69.0%
34.5 / 50
100.0%
−6
1 = = 0 1 1 0 1 = = 0 1 1 = = 1 = 1 = 1 1 = = 1 0 1 1 1 0 1 1 1 = 1 = 1 = 1 1 = = 1 0 = = 1 = 1 1 =
–   Komodo 1.2 64-bit2966+12
−12
(−135)39 − 15
(+28−4=22)
72.2%
39.0 / 54
100.0%
+6
1 = 1 1 1 1 = 1 = 1 = = 1 1 = 1 1 1 1 = 1 1 1 = 1 1 0 1 = 1 = = = 1 1 = = 1 0 1 = = 1 = = = 0 = 1 0 1 = 1 =
–   Deep Shredder 12 64-bit2955+8
−8
(−146)34.5 − 15.5
(+23−4=23)
69.0%
34.5 / 50
100.0%
−31
1 1 = = 1 = = 1 = = = 0 = 1 1 = 0 = 1 1 1 1 1 = 1 = 1 1 1 = = 1 = 1 1 = 1 = 0 1 = = = 1 = 1 0 = 1 =
–   Protector 1.3.4 64-bit 4CPU2951+13
−13
(−150)36.5 − 13.5
(+28−5=17)
73.0%
36.5 / 50
100.0%
+6
= 1 1 1 = = 1 = 1 1 = 1 1 0 1 = 1 = 1 = 1 1 = = 1 0 0 1 1 = 0 = 1 0 1 1 1 1 1 = 1 1 = = 1 1 1 = = 1
–   Thinker 5.4c Inert 64-bit 4CPU2951+9
−9
(−150)39.5 − 10.5
(+31−2=17)
79.0%
39.5 / 50
100.0%
+49
1 1 1 1 1 1 = 1 = 1 1 1 0 1 1 1 = 1 1 = = = 1 = = 1 1 = = 1 1 1 = 0 1 1 1 1 = = 1 1 = = 1 1 1 = = 1
–   Hiarcs 12 4CPU2941+9
−9
(−160)32 − 18
(+24−10=16)
64.0%
32.0 / 50
100.0%
−64
1 1 1 0 0 1 0 = 1 1 1 1 0 1 1 1 = 1 1 = = 1 0 0 = 1 = 1 = 1 = = 1 = = 0 0 1 0 = = 1 0 = 1 1 = 1 = 1
–   Deep Sjeng WC2008 64-bit 4CPU2939+8
−8
(−162)38.5 − 11.5
(+31−4=15)
77.0%
38.5 / 50
100.0%
+27
1 = 1 1 = 1 = = 1 = 1 = = = 1 0 1 1 1 1 = 1 1 1 1 0 1 = 1 1 1 = = 1 1 1 1 1 0 1 = 1 1 1 = = 1 0 1 1
–   Hiarcs 12.1 4CPU2938+10
−10
(−163)37 − 13
(+30−6=14)
74.0%
37.0 / 50
100.0%
+6
1 1 = = 1 1 1 1 = 1 1 = 1 = 1 1 0 0 1 1 1 1 = 0 1 1 1 = 1 1 = = = 1 = = = 0 1 1 1 1 1 1 1 1 = 0 0 1
–   Hiarcs 13.22933+15
−15
(−168)21.5 − 7.5
(+16−2=11)
74.1%
21.5 / 29
100.0%
−8
1 1 1 0 = = 0 = 1 1 1 1 1 1 1 = 1 = 1 1 1 = = 1 = 1 = = =
–   Komodo 1.0 64-bit2932+11
−11
(−169)57.5 − 19.5
(+46−8=23)
74.7%
57.5 / 77
100.0%
+4
= 1 = 1 1 1 1 1 1 1 1 = 1 1 1 1 0 1 1 = 1 1 1 1 1 = 1 1 0 = 1 = 1 1 0 1 1 = = = = 1 = = 1 0 1 1 1 = = 1 = 0 = = 1 1 1 = 1 1 1 1 1 0 1 = 1 0 1 1 = 1 = = 0
–   Spark 1.0 64-bit2926+7
−7
(−175)25 − 6
(+20−1=10)
80.6%
25.0 / 31
100.0%
+40
= 1 = = 0 1 = 1 = 1 = 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 = 1 1 =
–   Deep Junior 11.2 64-bit 4CPU2923+17
−17
(−178)36.5 − 13.5
(+31−8=11)
73.0%
36.5 / 50
100.0%
−7
= 1 1 1 1 = = 1 1 = = 1 1 0 1 1 = 0 1 = 1 = 1 1 1 0 1 0 1 1 1 1 1 1 1 = = 1 1 0 1 1 1 1 0 = 0 1 0 1
–   Spark 0.5 64-bit2920+18
−18
(−181)39 − 11
(+32−4=14)
78.0%
39.0 / 50
100.0%
+18
1 1 1 = 0 1 = 1 = 1 1 = 1 1 = 1 = 1 1 = 1 1 1 1 = = 1 1 1 = 1 = 0 1 1 0 = 1 1 = 1 = 1 1 1 1 1 1 1 0
–   Fritz 122908+13
−13
(−193)62.5 − 15.5
(+51−4=23)
80.1%
62.5 / 78
100.0%
+23
= 1 = 1 1 1 1 0 1 1 = 1 = 1 1 1 = 1 = 1 1 1 1 = = 1 = 1 1 1 0 1 1 = 1 1 1 1 1 1 1 0 1 = 1 = 1 1 1 = = = = 1 = 1 1 1 = 1 = 1 1 1 = = 0 1 1 = 1 1 1 1 1 1 1 =
–   Bright 0.5c 4CPU2904+15
−15
(−197)36 − 14
(+29−7=14)
72.0%
36.0 / 50
100.0%
−41
= 1 1 = 1 1 1 1 0 1 1 1 1 = 1 = 1 0 1 = = 0 1 1 = = = = 1 = 1 1 = 1 1 1 = 1 0 1 1 1 0 1 1 0 = 0 1 1
–   Toga II 1.4 beta5c 4CPU2903+8
−8
(−198)42 − 8
(+35−1=14)
84.0%
42.0 / 50
100.0%
+52
1 1 1 = 1 1 1 1 1 = 1 = = 1 1 1 = = = 1 1 = 1 = 1 = 1 1 1 = 1 1 1 1 1 1 1 0 1 1 = 1 1 = 1 1 1 1 1 =
–   Thinker 5.4c Inert 64-bit2883+9
−9
(−218)63.5 − 13.5
(+54−4=19)
82.5%
63.5 / 77
100.0%
+26
= 1 1 0 1 1 1 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = = 1 1 = 1 0 = 1 1 1 1 1 1 = 1 = 1 = 1 0 1 1 1 1 = 1 0 = = 1 = 1 = = = 1 1 1 = 1 1 1 1
–   Spark 0.4 64-bit2882+11
−11
(−219)61 − 16
(+48−3=26)
79.2%
61.0 / 77
100.0%
−18
1 1 = 1 1 1 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 1 = 1 = = 1 1 1 = 1 0 1 1 1 1 1 = 1 1 1 = 1 1 1 1 1 = 1
–   Critter 0.60 64-bit2866+17
−17
(−235)43 − 8
(+38−3=10)
84.3%
43.0 / 51
100.0%
+35
1 1 1 1 = 1 = = 0 0 1 1 1 1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 = = 1 1 1 = 1 1 1 1 = 1 0 1
–   Protector 1.3.4 64-bit2852+18
−18
(−249)43.5 − 7.5
(+37−1=13)
85.3%
43.5 / 51
100.0%
+18
1 1 = 1 = 1 1 1 = 1 1 1 1 1 0 1 1 1 = 1 1 = = 1 = 1 = = 1 1 1 1 1 1 = 1 1 = = 1 1 1 1 1 1 1 1 1 1 = 1
–   Onno 1.2.70 64-bit2845+10
−10
(−256)43.5 − 6.5
(+38−1=11)
87.0%
43.5 / 50
100.0%
+35
= 1 = 1 1 1 = 1 = = 1 1 1 1 0 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 = 1 1 1 = 1 1 1 1 1 1
–   Zappa Mexico II 64-bit2840+7
−7
(−261)60.5 − 15.5
(+48−3=25)
79.6%
60.5 / 76
100.0%
−53
= 1 = = 1 1 = 1 1 = = 1 1 1 = 1 = = 1 1 = 1 = 1 = 1 1 1 = = 1 1 = 1 = 1 = 1 1 = 1 0 1 1 1 = = 1 1 1 1 1 1 1 0 1 = 1 = 1 1 1 = 1 1 1 = 1 1 1 1 0 1 1 = 1
–   Deep Junior 11.1a 64-bit2840+14
−14
(−261)43.5 − 7.5
(+38−2=11)
85.3%
43.5 / 51
100.0%
+13
1 1 = 1 1 1 1 1 = 1 1 1 = 1 1 1 1 0 = 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 = 1 1 1 = 1 = 1 0 1 = 1 1 =
–   Deep Sjeng 3.0 64-bit2838+10
−11
(−263)41 − 9
(+33−1=16)
82.0%
41.0 / 50
100.0%
−38
1 = 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 = = 1 = = 1 1 0 = = 1 1 1 1 1 1 = = 1 = 1 1 1 = = 1 = 1 1 =
–   Hiarcs 122835+10
−11
(−266)39 − 11
(+31−3=16)
78.0%
39.0 / 50
100.0%
−72
1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 = = = = 1 1 = 1 = = 1 0 1 = 1 = 1 1 1 0 = = 1 1 = 1 1 1 1 0 =

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 4 64-bit
played with current
participants of this list
Represented by
1-2-CPU    299Rybka 4.1 64-bit
All    200Rybka 4.1 64-bit 4CPU
Single-CPU    299Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 16, 2017