CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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Rybka 2.3.2a 32-bit (2922+16
−16
)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 Combines Rybka 2.3.2 and 2.3.2a games - testing has confirmed the versions are indistinguishable regarding strength.
This is one of the 25 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 1.8 64-bit3057+19
−19
(+135)3 − 9
(+1−7=4)
25.0%
3.0 / 12
0.0%
−31
0 1 = 0 = 0 = = 0 0 0 0
–   Rybka 3 32-bit3042+39
−38
(+120)21 − 59
(+4−42=34)
26.3%
21.0 / 80
0.0%
−31
= = = 0 = = = = = 0 0 0 0 0 1 0 0 = 0 0 0 0 1 = = = = = 0 0 0 0 = 0 0 0 0 0 = 1 = 0 = 0 0 0 0 0 = 0 = 0 = 0 = = = 0 0 0 = 0 1 0 = 0 = = = 0 = 0 = = 0 0 = 0 = 0
–   Stockfish 2.0.1 32-bit3000+41
−39
(+78)10 − 20
(+5−15=10)
33.3%
10.0 / 30
0.0%
−32
0 0 0 0 = = = 1 0 0 1 0 0 0 0 = 0 1 = 1 = 0 = = 0 = 0 1 0 =
–   Deep Sjeng c't 20102925+17
−17
(+3)36 − 33
(+22−19=28)
52.2%
36.0 / 69
41.7%
+18
1 = 0 1 = = = 1 0 = 0 0 = 0 1 = 0 = = 1 = 0 1 = 1 0 0 1 1 1 1 = = 0 0 0 1 = = 1 1 0 0 1 = 0 = = = 0 = = = 1 = 1 1 1 = = 1 = = 0 1 1 0 0 =
–   Komodo 1.3 32-bit2889+35
−34
(−33)18.5 − 17.5
(+8−7=21)
51.4%
18.5 / 36
96.1%
−25
0 = 0 1 0 1 1 1 = 0 = = = 1 1 = = = = = = 1 = = = = = = 0 0 = = 1 = 0 =
–   Fritz 112887+9
−10
(−35)27.5 − 25.5
(+14−12=27)
51.9%
27.5 / 53
100.0%
−23
= = = 1 = 0 1 = = 1 = 0 0 = 1 1 1 1 = = = = 1 1 0 = = 0 1 = = 0 1 0 = = = = = 1 0 = = = 0 = = 0 1 = 0 0 1
–   Hannibal 1.0a 64-bit2861+14
−14
(−61)17.5 − 12.5
(+10−5=15)
58.3%
17.5 / 30
100.0%
−12
0 = = 1 = = 1 1 = 0 0 = = 1 = = 1 1 1 0 = 1 = = 1 = 0 = 1 =
–   Shredder 112847+12
−12
(−75)35.5 − 29.5
(+23−17=25)
54.6%
35.5 / 65
100.0%
−44
= = = 1 0 0 1 1 = = = 1 1 1 1 0 = = = 1 1 = = 0 1 = 0 1 0 0 1 = 1 1 1 = 0 0 0 0 = = 1 0 = = 1 0 1 = = = 1 1 0 1 = 1 1 0 0 = = = 0
–   Junior 20102821+34
−34
(−101)22 − 18
(+15−11=14)
55.0%
22.0 / 40
100.0%
−71
1 0 1 1 = 0 1 0 = 0 1 = = 0 0 1 1 1 = 0 = = = = 1 0 = 1 = 1 0 0 1 1 = 0 = = 1 1
–   Loop 10.32f2813+24
−24
(−109)14.5 − 5.5
(+10−1=9)
72.5%
14.5 / 20
100.0%
+27
0 = 1 = 1 1 = = 1 1 1 = = = 1 = 1 1 = 1
–   Hiarcs 11.22807+16
−16
(−115)53.5 − 25.5
(+40−12=27)
67.7%
53.5 / 79
100.0%
+2
1 1 1 1 0 = = = = 1 1 1 = = = 0 1 0 = 0 0 1 1 = = 1 1 = 1 1 1 1 1 1 1 1 = = 1 = 0 1 = 1 1 = 1 0 1 = 1 1 1 = = = 1 = 0 0 0 1 0 = 1 = 1 1 1 1 = 1 = 1 0 = = 1 1
–   Hiarcs 11.12803+11
−11
(−119)27 − 9
(+22−4=10)
75.0%
27.0 / 36
100.0%
+57
1 1 1 1 = 1 1 0 1 1 1 1 0 1 = = 1 0 = = 1 = 1 1 1 1 1 0 1 = = = = 1 1 1
–   Fritz 102799+18
−18
(−123)28.5 − 17.5
(+19−8=19)
62.0%
28.5 / 46
100.0%
−47
0 1 0 1 = 1 1 1 = = = 1 0 = = = 1 = = = 1 1 = = 0 1 1 0 = 0 1 0 1 = = 0 = = = = 1 1 1 1 1 1
–   Fruit 05/11/032792+14
−14
(−130)48.5 − 18.5
(+36−6=25)
72.4%
48.5 / 67
100.0%
+17
1 0 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 0 0 1 = = = = 1 = 0 = = 1 1 1 1 1 0 = 1 1
–   Hiarcs 112790+15
−15
(−132)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Shredder Classic 4 c't2786+30
−30
(−136)40.5 − 14.5
(+30−4=21)
73.6%
40.5 / 55
100.0%
+18
1 1 = 1 1 = 1 1 1 1 1 0 1 = 1 0 1 = 1 = 1 = = = 1 = 1 = 1 = 1 = 1 0 1 1 1 = = 0 1 1 = = = 1 = = = 1 1 1 1 = 1
–   Fruit 2.32783+14
−14
(−139)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+75
= = 1 1 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 0 1 1 = 1 = 1 = = 1 1 1
–   Fruit 2.3.12782+19
−19
(−140)28 − 7
(+23−2=10)
80.0%
28.0 / 35
100.0%
+76
= = = 1 1 1 1 1 1 1 1 = = 1 = 1 0 1 0 1 1 1 1 1 = 1 1 1 1 1 = = = 1 1
–   Bright 0.4a2779+10
−10
(−143)8 − 3
(+6−1=4)
72.7%
8.0 / 11
100.0%
+13
1 = = 1 1 0 1 1 = 1 =
–   Loop 13.6 (Loop 2007) 32-bit2775+10
−10
(−147)35.5 − 11.5
(+27−3=17)
75.5%
35.5 / 47
100.0%
+25
1 1 1 1 1 1 = 1 1 = 1 = 1 = 1 0 1 = 1 = = = 1 = 1 1 1 0 1 = 1 = 1 1 0 1 1 = = 1 = 1 1 1 = = =
–   Naum 2.2 32-bit2770+15
−15
(−152)40.5 − 16.5
(+30−6=21)
71.1%
40.5 / 57
100.0%
−14
0 1 = 1 = 1 1 0 1 = 1 1 = 1 = = 1 = 0 1 = 1 1 1 = 1 = 1 = = 1 1 = 0 1 = = = = 1 1 1 1 1 1 = 1 0 1 = = 1 0 1 = 1 1
–   Loop 13.5 32-bit2762+18
−18
(−160)35.5 − 12.5
(+26−3=19)
74.0%
35.5 / 48
100.0%
−7
= = 1 = 1 1 = 1 1 1 1 = = 1 = 1 = 0 = 0 1 1 1 1 1 = 1 = = = 0 1 1 1 = 1 = 1 1 = 1 1 = 1 1 = = 1
–   Zappa Mexico 32-bit2760+21
−21
(−162)64.5 − 27.5
(+50−13=29)
70.1%
64.5 / 92
100.0%
−24
= 1 1 1 = = 1 1 = 1 = 1 = = 0 1 1 1 0 1 = 1 1 = 0 = = 1 = = 0 1 = 1 1 1 = = 1 = 1 1 0 = 1 0 1 = 1 1 1 = 1 1 1 1 = 0 1 1 1 1 1 1 = 1 = = 1 0 1 1 1 1 1 1 0 = 0 = 0 1 0 1 = 1 0 1 = 1 = 1
–   Crafty 23.3 64-bit2757+15
−15
(−165)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+109
1 1 1 = 1 1 1 = 1 1 1 = = 1 1 = 1 1 = 1 1 1 1 1 = 1 1 1 = 1
–   Shredder 102754+22
−22
(−168)17 − 3
(+15−1=4)
85.0%
17.0 / 20
100.0%
+108
1 = 1 1 1 = 1 1 1 1 1 = = 1 1 1 1 1 1 0
–   Zap!Chess Zanzibar 32-bit2741+38
−38
(−181)14 − 6
(+10−2=8)
70.0%
14.0 / 20
100.0%
−55
= 1 1 0 0 = 1 = 1 1 1 = 1 = 1 1 = = = 1
–   Junior 102738+22
−22
(−184)17 − 3
(+15−1=4)
85.0%
17.0 / 20
100.0%
+95
1 1 = 1 = = = 1 1 1 1 1 1 1 1 0 1 1 1 1
–   Naum 2.1 32-bit2738+14
−14
(−184)24.5 − 8.5
(+19−3=11)
74.2%
24.5 / 33
100.0%
−17
1 = 1 = 1 0 1 = 1 1 1 1 1 0 = 0 1 1 1 = 1 1 1 = = = 1 = 1 = 1 = 1
–   Hiarcs 102736+20
−19
(−186)17 − 3
(+16−2=2)
85.0%
17.0 / 20
100.0%
+120
1 = 1 1 0 1 0 1 1 1 1 1 1 1 1 1 = 1 1 1
–   Spike 1.2 Turin2731+6
−6
(−191)28 − 8
(+21−1=14)
77.8%
28.0 / 36
100.0%
−7
= 1 1 = 1 1 1 1 1 = 0 1 = = 1 = 1 = 1 1 1 = 1 1 = = = = 1 = 1 1 1 = 1 1
–   Chess Tiger 2007.12713+8
−8
(−209)16.5 − 3.5
(+13−0=7)
82.5%
16.5 / 20
100.0%
+12
= 1 1 1 1 1 1 = = = 1 1 1 1 = = 1 = 1 1
–   Naum 2.0 32-bit2700+8
−8
(−222)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Bright 0.2c2687+13
−13
(−235)44 − 8
(+39−3=10)
84.6%
44.0 / 52
100.0%
+40
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 1 1 1 1 = 0 1 1 1 1 = 1 1
–   Bright 0.2b2685+30
−30
(−237)9.5 − 2.5
(+7−0=5)
79.2%
9.5 / 12
100.0%
−48
1 1 1 = = 1 1 = 1 = = 1
–   Alaric 7072664+7
−7
(−258)13 − 2
(+11−0=4)
86.7%
13.0 / 15
100.0%
+17
1 = 1 1 = 1 = = 1 1 1 1 1 1 1
–   Glaurung 1.2.1 32-bit2657+10
−10
(−265)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+38
1 1 = 1
–   Scorpio 2.0 32-bit2656+12
−12
(−266)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−108
= 1
–   CM10th Paralyse2655+15
−15
(−267)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Scorpio 1.92641+13
−13
(−281)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
−62
1 1 1 0
–   CM10th Xperience2639+14
−14
(−283)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Slow Chess Blitz WV2.12615+6
−6
(−307)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
−88
1 1 =
–   Colossus 2007d2611+13
−13
(−311)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
−83
1 = 1
–   Delfi 5.22609+11
−11
(−313)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
100.0%
−297
1 0 =
–   WildCat 72606+10
−10
(−316)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−316
1 0
–   Pharaon 3.5.12603+7
−7
(−319)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 2.3.2a 32-bit
played with current
participants of this list
Represented by
1-2-CPU    52Rybka 4.1 64-bit
32-bit#12916487itself
32-bit 1-2-CPU#12917487itself
32-bit single-CPU#12917487itself
All    41Rybka 4.1 64-bit 4CPU
Free    32Rybka 2.3.2a 64-bit
Free 1-2-CPU    79Rybka 2.3.2a 64-bit
Free 32-bit    124Rybka 1.0 32-bit
Free 32-bit 1-2-CPU    124Rybka 1.0 32-bit
Free 32-bit single-CPU    124Rybka 1.0 32-bit
Free single-CPU    79Rybka 2.3.2a 64-bit
Single-CPU    52Rybka 4.1 64-bit

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