CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

Options
Show each game results
Rybka 4 32-bit (3015+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 4.00 64-bit3046+21
−20
(+31)6.5 − 3.5
(+3−0=7)
65.0%
6.5 / 10
0.9%
+114
= 1 = 1 = 1 = = = =
–   Critter 1.01 32-bit3023+19
−19
(+8)20 − 12
(+11−3=18)
62.5%
20.0 / 32
23.7%
+78
= 1 = = 1 = 0 1 1 = = 1 = = 1 1 0 1 = 1 = = = = 1 = 0 = = 1 = =
–   Stockfish 2.0.1 32-bit3015+18
−17
(0)17 − 13
(+10−6=14)
56.7%
17.0 / 30
50.3%
+39
0 0 = 1 = = 0 = 1 = = 0 1 0 = 1 1 0 1 1 = = = = = 1 1 = 1 =
–   Stockfish 1.9.1 32-bit2999+17
−17
(−16)20 − 22
(+7−9=26)
47.6%
20.0 / 42
91.7%
−28
0 = = = = = 1 = = 1 = = = = = 0 1 = 0 0 1 = 1 = = 0 0 = = = = 0 = 0 = = 0 = = = 1 1
–   Arasan 20.5 64-bit2990+48
−49
(−25)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
83.0%
−166
= 0
–   Critter 0.90 32-bit2987+16
−16
(−28)23.5 − 18.5
(+12−7=23)
56.0%
23.5 / 42
99.4%
+3
0 0 = 1 1 0 0 1 = 0 1 = 1 = 1 = = 0 = = = = 1 = = 1 = = = = = = 1 1 1 = = = = 0 = 1
–   Stockfish 1.8 32-bit2986+18
−18
(−29)21.5 − 13.5
(+10−2=23)
61.4%
21.5 / 35
99.4%
+32
= = 1 1 = = 1 = 1 1 = = = 1 = 0 = = = = 1 = = = 1 = = 1 0 = = = 1 = =
–   Stockfish 1.7.1 32-bit2972+18
−17
(−43)29.5 − 24.5
(+15−10=29)
54.6%
29.5 / 54
100.0%
−15
= 1 = = 1 = = 0 = = 1 0 1 = 1 = = 1 0 1 = 1 0 = = 0 1 = 1 1 0 0 = = = = 1 = 0 = 1 0 = 1 1 = = = = = = = 0 =
–   Naum 4.2 32-bit2959+10
−10
(−56)39.5 − 31.5
(+15−7=49)
55.6%
39.5 / 71
100.0%
−26
= = = 1 = = = = = = = = 0 = 0 = = = 0 = 1 = 0 1 = = = 1 0 = = 1 1 = = = = = = = = = = 1 1 1 1 = 0 1 1 = = 1 = = = = 1 = 0 = 1 = = = = = = = =
–   Deep Sjeng c't 20102942+10
−10
(−73)24.5 − 13.5
(+14−3=21)
64.5%
24.5 / 38
100.0%
+11
1 = = = 0 1 = = 1 1 1 1 = = = = 1 = = 1 0 = 1 = 1 = 1 = = 1 = = = = 0 1 = 1
–   Shredder 12 32-bit2929+7
−7
(−86)65 − 37
(+37−9=56)
63.7%
65.0 / 102
100.0%
−6
1 0 = 0 = 1 1 = = 1 = = = 1 1 = 1 1 = = = = = = = 1 = 1 = = = 1 = 1 = 1 1 1 1 1 = 0 1 = = 1 = = 1 = = 0 0 1 = = = = 1 = = = = = 0 1 = 1 = = 1 = = 1 1 = 0 = 1 1 = 0 1 = = = 1 = = = 1 = 1 0 1 1 = = = = 1 1
–   Critter 0.80 32-bit2923+16
−16
(−92)25 − 15
(+14−4=22)
62.5%
25.0 / 40
100.0%
−19
= 0 = 0 1 1 = 0 = 1 1 1 = 0 1 = = = = = 1 1 = = 1 1 = = = = = = = 1 1 1 = 1 = =
–   Komodo 1.3 32-bit2918+16
−16
(−97)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
+6
1 = = = 1 1 0 = 1 = = 1 = 1 = 1 1 = 1 = = = = 1 0 = = = 1 1 1 = = 1
–   Spike 1.4 Leiden2918+8
−8
(−97)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
+54
= 1 = 1 0 1 1 1 1 = = 1 1 = = 1 1 1 = 1 = 1 = = = 1 1 1 0 =
–   Hiarcs 13.22899+11
−11
(−116)21 − 9
(+16−4=10)
70.0%
21.0 / 30
100.0%
+18
1 1 0 1 1 = = = = 1 1 1 0 1 1 = = 1 0 1 = 1 = 1 0 1 = 1 1 =
–   Komodo 1.2 32-bit2896+14
−14
(−119)49.5 − 18.5
(+34−3=31)
72.8%
49.5 / 68
100.0%
+22
= = 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 = = 0 1 = 1 1 1 1 1 = = = 0 1
–   Fritz 122886+11
−11
(−129)33.5 − 14.5
(+24−5=19)
69.8%
33.5 / 48
100.0%
0
1 = 1 1 = 1 0 1 = 1 1 = = 1 1 1 1 = = 1 0 = 1 = = 1 1 = 1 = = 1 = = 1 0 1 1 = 1 = 1 0 = = 1 0 1
–   Gull 1.0a 32-bit2886+13
−13
(−129)24.5 − 9.5
(+18−3=13)
72.1%
24.5 / 34
100.0%
+14
= 1 = 1 1 = = 1 1 1 = 1 1 0 = 1 = = 1 1 = 1 1 1 = = = = 0 1 1 1 1 0
–   Protector 1.4.0 32-bit2879+12
−11
(−136)19 − 11
(+14−6=10)
63.3%
19.0 / 30
100.0%
−44
= = = 1 = 1 0 1 0 0 1 0 0 1 = 1 = = 0 1 = 1 1 1 1 1 = = 1 1
–   Critter 0.70 32-bit2877+20
−20
(−138)38.5 − 17.5
(+24−3=29)
68.8%
38.5 / 56
100.0%
−27
1 0 1 1 = 1 1 0 = = = 1 = 1 0 = = = 1 1 1 1 1 = = = = 1 1 = = 1 = 1 = = = = = = 1 = 1 = 1 1 = = = = = 1 1 1 = 1
–   Gull 1.1 32-bit2877+17
−17
(−138)30 − 12
(+21−3=18)
71.4%
30.0 / 42
100.0%
−3
1 1 = = 1 = 1 0 1 = = 1 1 = 1 = = 1 = 1 0 = 1 0 1 1 1 1 = 1 = 1 1 = = 1 = = = = 1 1
–   Gull 1.2 32-bit2875+12
−12
(−140)20 − 10
(+16−6=8)
66.7%
20.0 / 30
100.0%
−21
1 1 0 1 0 1 0 1 1 1 1 = = = 0 1 = 1 1 = 0 1 1 1 1 = 1 = 0 =
–   Hiarcs 13.12874+14
−14
(−141)30 − 12
(+21−3=18)
71.4%
30.0 / 42
100.0%
−4
1 = 1 = = 1 1 1 1 1 0 1 = 1 = = 0 1 1 0 1 = 1 = = = = 1 = 1 1 = 1 1 = = 1 1 = = = 1
–   Gull 0.12a 32-bit2868+21
−21
(−147)26 − 8
(+20−2=12)
76.5%
26.0 / 34
100.0%
+32
1 1 = = = = = 1 = 1 1 = 1 = = 0 = 1 1 1 1 1 1 = 1 1 0 1 1 1 1 1 = 1
–   Spark 1.0 32-bit2865+12
−12
(−150)21 − 13
(+13−5=16)
61.8%
21.0 / 34
100.0%
−81
= 1 = = 1 1 1 1 = = 0 = 1 1 0 1 0 = = 1 = = 1 1 = = = 1 1 = 0 = 0 =
–   Deep Junior 12 32-bit2857+19
−19
(−158)27 − 8
(+21−2=12)
77.1%
27.0 / 35
100.0%
+25
= = = 1 = = 1 = 1 1 1 1 0 1 1 = 1 = 1 1 1 1 1 = 1 1 = 1 = = 1 0 1 1 1
–   Thinker 5.4d Inert 32-bit2856+10
−10
(−159)37.5 − 8.5
(+31−2=13)
81.5%
37.5 / 46
100.0%
+69
= 1 0 = 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 1
–   Gull 0.11a 32-bit2847+21
−21
(−168)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+63
1 1 1 1 = 1 = 1 1 = 1 1 1 1 1 = = 1 = 1 1 1 1 = 1 1 = = 1 =
–   Booot 5.1.02844+10
−10
(−171)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−13
1 = = 1
–   Deep Junior 11.1a 32-bit2832+18
−18
(−183)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
−18
= = 0 = 1 1 1 1 = = 0 1 1 1 = 1 1 1 = = 1 1 1 1 = = 1 = 1 1
–   Protector 1.3.5 32-bit2830+15
−15
(−185)30 − 4
(+26−0=8)
88.2%
30.0 / 34
100.0%
+115
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
–   Grapefruit 1.0 32-bit2826+9
−9
(−189)25.5 − 8.5
(+19−2=13)
75.0%
25.5 / 34
100.0%
−24
1 1 1 = 1 1 1 1 = = 1 1 1 = 0 0 = 1 = = = 1 = 1 = = 1 = 1 1 1 1 1 =
–   Booot 5.02825+16
−16
(−190)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+3
1 = 1 1 = 1 = 1 0 = = = 1 1 0 1 1 = 1 1 1 1 = 1 = = 1 1 = 1 1 1 1 1
–   Deep Sjeng WC2008 32-bit2825+12
−12
(−190)18 − 12
(+10−4=16)
60.0%
18.0 / 30
100.0%
−129
1 0 1 = = 1 1 = 1 = 1 = = = = = 1 = 1 0 0 = = = 0 1 = = = 1
–   Protector 1.3.4 32-bit2824+16
−16
(−191)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
+6
= 1 1 = 1 = 1 = 1 1 1 1 1 1 = = 1 1 1 = = = 1 1 1 1 1 = = =
–   Cyclone xTreme2824+13
−13
(−191)21.5 − 8.5
(+14−1=15)
71.7%
21.5 / 30
100.0%
−57
= = = 1 = = = 1 = 1 = 1 1 = 1 1 = 1 = 1 = 1 1 0 = = = 1 1 1
–   Spark 0.4 32-bit2821+16
−16
(−194)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−50
1 0 = = = 1 1 = 1 1 = 1 1 1 1 = 1 = = 1 1 = = 1 1 = = = 1 =
–   Deep Junior 11.2 32-bit2819+22
−22
(−196)25.5 − 8.5
(+21−4=9)
75.0%
25.5 / 34
100.0%
−17
1 1 = 1 1 1 1 = 1 0 1 1 = 1 1 1 = 1 1 1 = 1 1 1 0 = = 1 1 1 = = 0 0
–   Onno 1.2.70 32-bit2786+18
−18
(−229)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+17
1 = = 1 1 1 = 1 = 1 = = 1 1 1 1 = 1 1 1 1 1 1 1 0 1 1 1 1 =

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018