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

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Rybka 2.1 64-bit 4CPU (3003+33
−32
)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
–   Fizbo 1.7 64-bit 4CPU3126+27
−27
(+123)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+150
0 = 1 = = 1 1 = = 0
–   Andscacs 0.81 64-bit 4CPU3085+31
−32
(+82)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−74
= 0
–   Rybka 4 64-bit3079+11
−11
(+76)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+45
=
–   Arasan 19.2 64-bit 4CPU3052+31
−31
(+49)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
1.5%
−12
0 0 = = = 1 = = 1 = = 1 = 0 = = = 1 0 = = = = 0 = 0 0 0 0 0 0 =
–   Deep Junior 13 64-bit 4CPU3033+16
−16
(+30)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
5.1%
+172
= 1
–   Senpai 1.0 64-bit 4CPU3032+16
−16
(+29)1 − 1
(+0−0=2)
50.0%
1.0 / 2
5.7%
+29
= =
–   Andscacs 0.80 64-bit 4CPU3030+31
−31
(+27)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
11.6%
+57
=
–   Spike 1.4 Leiden 4CPU3024+11
−11
(+21)1 − 1
(+0−0=2)
50.0%
1.0 / 2
11.0%
+21
= =
–   Deep Shredder 12 64-bit 4CPU3024+10
−10
(+21)1 − 0
(+1−0=0)
100.0%
1.0 / 1
11.1%
+INF
1
–   Cheng 4.39 64-bit 4CPU3021+18
−19
(+18)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
16.9%
−153
0 = 0 0 0 0 = 1 = 0
–   Fizbo 1.5 64-bit 4CPU2999+27
−27
(−4)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
56.0%
+90
1 1 = 1 = 1 = 0 = =
–   Bobcat 7.6 64-bit 4CPU2987+32
−32
(−16)9 − 5
(+6−2=6)
64.3%
9.0 / 14
75.2%
+71
= = 1 0 = = 1 1 = = 1 1 1 0
–   Cheng4 0.38 64-bit 4CPU2987+24
−24
(−16)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
76.8%
+140
1 =
–   Rybka 2.2 64-bit 4CPU2977+21
−20
(−26)14 − 16
(+4−6=20)
46.7%
14.0 / 30
90.7%
−42
= = 0 = 0 = = = 0 1 = = = = 1 = = = 0 = = = 1 0 = = 1 0 = =
–   Spark 1.0 64-bit 4CPU2976+13
−13
(−27)1 − 1
(+1−1=0)
50.0%
1.0 / 2
92.9%
−27
0 1
–   Zappa Mexico II 64-bit 4CPU2973+10
−10
(−30)1 − 0
(+1−0=0)
100.0%
1.0 / 1
95.2%
+INF
1
–   Zappa Mexico 64-bit 4CPU2963+15
−15
(−40)5 − 3
(+4−2=2)
62.5%
5.0 / 8
98.4%
+47
1 0 = 1 1 = 1 0
–   Komodo 1.2 64-bit2950+16
−16
(−53)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.8%
−22
=
–   Gaviota 1.0 64-bit 4CPU2944+18
−18
(−59)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.9%
+97
1 =
–   Arasan 17.5 64-bit 4CPU2941+27
−27
(−62)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.8%
−62
= =
–   Onno 1.2.70 64-bit 4CPU2939+20
−20
(−64)2 − 1
(+1−0=2)
66.7%
2.0 / 3
99.9%
+18
1 = =
–   EXchess 7.71b 64-bit 4CPU2938+28
−28
(−65)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.8%
+INF
1 1
–   Fizbo 1.4 64-bit 4CPU2938+28
−28
(−65)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.8%
+INF
1 1
–   Thinker 5.4d Inert 64-bit 4CPU2935+24
−24
(−68)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.9%
−68
= =
–   Toga II 3.0 4CPU2929+23
−23
(−74)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Rybka 2.2 64-bit2921+30
−29
(−82)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+74
1 =
–   Deep Shredder 11 64-bit 4CPU2920+12
−12
(−83)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−83
= = 1 0
–   Naum 2.2 64-bit 4CPU2906+17
−18
(−97)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−97
= =
–   Tornado 7.0 64-bit 4CPU2903+26
−26
(−100)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Toga II 1.4 beta5c 4CPU2887+18
−18
(−116)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−116
= =
–   Loop M1-T 64-bit 4CPU2852+12
−11
(−151)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+76
1 = 1
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2842+19
−19
(−161)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−4
= 1
–   Bright 0.3a 4CPU2833+18
−18
(−170)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−13
= 1
–   Deep Shredder 10 64-bit 4CPU2833+17
−17
(−170)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+9
1 1 = = = 1 1 1 1 1 1 = 0 = 0 1 1 1 1 1 1 1 1 1 = = = = 1 =
–   Glaurung 2.0.1 64-bit 4CPU2831+17
−17
(−172)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−172
= =
–   Naum 2.2 64-bit2798+25
−25
(−205)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−48
1 =
–   Fruit 05/11/032773+20
−20
(−230)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop M1-T 64-bit2771+30
−30
(−232)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Loop 10.32f2765+19
−19
(−238)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+3
1 1 0 1 1 = 1 = 1 1 = 1 1 1 1 1 1 1 1 1 = 1 1 1 = = = 1 0 1
–   Toga II 1.2.1a 32-bit2760+12
−12
(−243)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−55
= 1 = 1 = = 1 1 1 0 = = = 1 1 1 = 1 = 1 1 = 1 1 1 1 = 1 1 1
–   Hiarcs X54 Hypermodern 32-bit2756+29
−29
(−247)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−90
= 1
–   Spike 1.2 Turin2746+7
−7
(−257)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−78
0 1 1 1 1 = 1 = = 1 1 1 = 1 = 1 = 1 1 = = = 1 1 1 0 1 = 1
–   Hiarcs X502744+19
−19
(−259)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−21
1 1 1 1 1 1 0 1 1 = 1 = 1 1 1 0 1 1 1 = 1 1 1 1 = 1 = 1 = =
–   Scorpio 2.0 32-bit 4CPU2733+24
−24
(−270)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
−35
0 1 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 2.1 64-bit 4CPU
played with current
participants of this list
Represented by
All    15Rybka 4 64-bit 4CPU

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