CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

Options
Show each game results
Rybka 4.1 32-bit (3032+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
–   Houdini 3 32-bit3137+20
−20
(+105)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−2
–   Houdini 2.0c 32-bit3103+14
−13
(+71)34.5 − 53.5
(+16−35=37)
39.2%
34.5 / 88
0.0%
+1
–   Houdini 1.5a 32-bit3092+15
−15
(+60)13.5 − 20.5
(+5−12=17)
39.7%
13.5 / 34
0.0%
−1
–   Strelka 5.5 32-bit3090+16
−16
(+58)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
0.0%
+68
–   Strelka 5.1 32-bit3085+16
−16
(+53)15 − 25
(+4−14=22)
37.5%
15.0 / 40
0.0%
−20
–   Critter 1.4 32-bit3076+15
−15
(+44)19 − 31
(+8−20=22)
38.0%
19.0 / 50
0.0%
−29
–   Critter 1.6a 32-bit3069+16
−16
(+37)12.5 − 19.5
(+3−10=19)
39.1%
12.5 / 32
0.0%
−26
–   Critter 1.6 32-bit3067+20
−20
(+35)12 − 19
(+3−10=18)
38.7%
12.0 / 31
0.1%
−31
–   Critter 1.2 32-bit3057+17
−17
(+25)21.5 − 24.5
(+7−10=29)
46.7%
21.5 / 46
0.7%
+7
–   Stockfish 2.2.2 32-bit3052+14
−14
(+20)27 − 23
(+13−9=28)
54.0%
27.0 / 50
1.3%
+41
–   Komodo 5 32-bit3048+16
−16
(+16)16.5 − 15.5
(+7−6=19)
51.6%
16.5 / 32
5.0%
+20
–   Stockfish 2.3.1 32-bit3041+17
−17
(+9)16 − 16
(+10−10=12)
50.0%
16.0 / 32
17.0%
+10
–   Vitruvius 1.11C 32-bit3033+15
−15
(+1)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
45.1%
−66
–   Komodo 4 32-bit3032+17
−16
(0)30 − 20
(+14−4=32)
60.0%
30.0 / 50
49.1%
+58
–   Stockfish 2.1.1 32-bit3029+16
−16
(−3)23.5 − 26.5
(+10−13=27)
47.0%
23.5 / 50
61.7%
−21
–   IvanHoe 9.46h 32-bit3027+14
−14
(−5)23 − 27
(+8−12=30)
46.0%
23.0 / 50
67.9%
−26
–   Komodo 3 32-bit3024+14
−14
(−8)21 − 21
(+11−11=20)
50.0%
21.0 / 42
80.1%
−8
–   Critter 1.01 32-bit3023+19
−19
(−9)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
76.6%
−46
–   DeepSaros 2.3j 32-bit3022+15
−15
(−10)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
82.9%
−43
–   Bouquet 1.6 32-bit3018+18
−18
(−14)14.5 − 15.5
(+3−4=23)
48.3%
14.5 / 30
88.7%
−21
–   Stockfish 2.0.1 32-bit3015+18
−18
(−17)19.5 − 18.5
(+6−5=27)
51.3%
19.5 / 38
94.0%
−9
–   RobboLito 0.21Q 32-bit3015+18
−18
(−17)16 − 14
(+8−6=16)
53.3%
16.0 / 30
93.4%
+2
–   Bouquet 1.5 32-bit3012+17
−18
(−20)15 − 17
(+6−8=18)
46.9%
15.0 / 32
96.7%
−37
–   Sting SF 2 32-bit3005+17
−17
(−27)17.5 − 14.5
(+10−7=15)
54.7%
17.5 / 32
99.5%
+1
–   Komodo 2.03 32-bit3005+19
−19
(−27)18.5 − 15.5
(+10−7=17)
54.4%
18.5 / 34
98.9%
0
–   DeepSaros 3.0 32-bit3000+18
−18
(−32)18 − 14
(+8−4=20)
56.3%
18.0 / 32
99.8%
+3
–   Gull II b2 32-bit2984+17
−18
(−48)20.5 − 11.5
(+11−2=19)
64.1%
20.5 / 32
100.0%
+32
–   Gull II 32-bit2980+18
−18
(−52)17 − 15
(+5−3=24)
53.1%
17.0 / 32
100.0%
−35
–   Fritz 132963+11
−11
(−69)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
−12
–   Hiarcs 142962+11
−11
(−70)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
+32
–   Naum 4.2 32-bit2959+10
−10
(−73)32.5 − 21.5
(+19−8=27)
60.2%
32.5 / 54
100.0%
−11
–   Chiron 1.5 32-bit2944+17
−17
(−88)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
0
–   Deep Sjeng c't 20102941+10
−10
(−91)38.5 − 19.5
(+26−7=25)
66.4%
38.5 / 58
100.0%
+12
–   Hannibal 1.3 32-bit2931+18
−18
(−101)18.5 − 11.5
(+9−2=19)
61.7%
18.5 / 30
100.0%
−37
–   Chiron 1.1a 32-bit2930+15
−15
(−102)26 − 12
(+16−2=20)
68.4%
26.0 / 38
100.0%
+3
–   Shredder 12 32-bit2930+7
−8
(−102)54 − 26
(+34−6=40)
67.5%
54.0 / 80
100.0%
+1
–   Spike 1.4 Leiden2920+8
−8
(−112)36.5 − 17.5
(+24−5=25)
67.6%
36.5 / 54
100.0%
−3
–   Komodo 1.3 32-bit2918+16
−16
(−114)29 − 9
(+21−1=16)
76.3%
29.0 / 38
100.0%
+55
–   Deep Junior 13 32-bit2917+18
−19
(−115)23.5 − 8.5
(+17−2=13)
73.4%
23.5 / 32
100.0%
+36
–   Deep Junior 12.5 32-bit2909+16
−16
(−123)28.5 − 13.5
(+20−5=17)
67.9%
28.5 / 42
100.0%
−7
–   Deep Junior 13.3 32-bit2909+15
−15
(−123)23.5 − 8.5
(+16−1=15)
73.4%
23.5 / 32
100.0%
+21
–   Hannibal 1.2 32-bit2904+15
−15
(−128)17.5 − 12.5
(+9−4=17)
58.3%
17.5 / 30
100.0%
−81
–   Hiarcs 13.22899+11
−11
(−133)33 − 13
(+24−4=18)
71.7%
33.0 / 46
100.0%
+5
–   Fritz 122886+11
−11
(−146)26 − 10
(+17−1=18)
72.2%
26.0 / 36
100.0%
−11
–   Gull 1.0a 32-bit2886+12
−12
(−146)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−19
–   Quazar 0.4 32-bit2881+12
−12
(−151)22 − 7
(+16−1=12)
75.9%
22.0 / 29
100.0%
+17
–   Protector 1.4.0 32-bit2877+12
−12
(−155)26 − 8
(+21−3=10)
76.5%
26.0 / 34
100.0%
+33
–   Gull 1.2 32-bit2875+12
−12
(−157)33 − 5
(+28−0=10)
86.8%
33.0 / 38
100.0%
+119
–   Hannibal 1.1 32-bit2873+14
−14
(−159)25.5 − 8.5
(+18−1=15)
75.0%
25.5 / 34
100.0%
−3
–   Spark 1.0 32-bit2865+12
−12
(−167)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+24
–   Thinker 5.4d Inert 32-bit2857+10
−10
(−175)24.5 − 5.5
(+19−0=11)
81.7%
24.5 / 30
100.0%
+39
–   Booot 5.1.02844+10
−11
(−188)18.5 − 10.5
(+13−5=11)
63.8%
18.5 / 29
100.0%
−97
–   Cyclone xTreme2824+13
−13
(−208)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+32
–   Hannibal 1.0a 32-bit2802+12
−12
(−230)23.5 − 6.5
(+21−4=5)
78.3%
23.5 / 30
100.0%
−5
–   MinkoChess 1.2 32-bit2781+14
−14
(−251)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+104

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 4.1 32-bit
played with current
participants of this list
Represented by
1-2-CPU    144Rybka 4.1 64-bit
32-bit#63039870itself
32-bit 1-2-CPU#63040870itself
32-bit single-CPU#63040870itself
Single-CPU    144Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017