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 1.2 32-bit (2864+15
−14
)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
–   Rybka 2.2 32-bit2893+14
−14
(+29)27 − 27
(+13−13=28)
50.0%
27.0 / 54
0.2%
+29
0 = 1 1 1 0 0 = = 0 0 = 0 = 1 = = = 1 = = 1 = = 0 1 = = 0 1 1 1 0 1 = = = = 1 = 0 = = = 1 = = 0 0 = = = = 0
–   Rybka 2.1 32-bit2857+12
−12
(−7)50 − 48
(+23−21=54)
51.0%
50.0 / 98
77.9%
+2
1 = = = 0 1 = = 1 1 = = 0 = = = 1 1 = 0 = = 0 0 0 1 = 1 = = 0 = = = 0 0 1 = = = = 1 0 0 = = = = = 1 = 0 = 0 0 = = 1 = = = = = = = 1 1 0 = = = = = 0 1 1 = = = = 0 1 = 0 1 0 = 1 = 1 0 = = 1 1 = 0 1
–   Rybka 1.1 32-bit2853+21
−21
(−11)50.5 − 37.5
(+26−13=49)
57.4%
50.5 / 88
79.8%
+32
= 1 = = = 1 1 = = = = = = = = = 1 0 = = = = 0 0 0 1 0 = = 1 = = = = = 1 = 1 = 1 0 = = 1 1 1 = = = = 1 = = 1 = = = 1 0 0 = = = 1 = = = 1 1 = 0 = 1 0 = 0 = 0 1 1 1 1 1 = 0 = 1 1
–   Zap!Chess Paderborn 64-bit 4CPU2838+19
−19
(−26)26 − 24
(+13−11=26)
52.0%
26.0 / 50
98.4%
−12
= = 1 1 1 = 1 = = = = = 0 = 1 = 0 1 = = = 1 = 1 = = 1 = 0 = = 1 = 0 = 0 1 = 0 0 1 0 1 = = = 0 = 0 0
–   Deep Junior 10 4CPU2832+12
−12
(−32)32.5 − 17.5
(+24−9=17)
65.0%
32.5 / 50
100.0%
+66
1 1 1 = = = = = = 1 = 1 1 = = 1 1 1 1 0 = 1 1 1 1 = 0 0 1 0 1 = 0 0 0 = 1 = 0 1 1 1 1 1 1 = = 1 0 =
–   Doch 1.2 32-bit2828+33
−33
(−36)18.5 − 21.5
(+11−14=15)
46.3%
18.5 / 40
97.5%
−60
1 0 1 0 = 0 0 1 1 0 = = 1 = = 0 = 0 1 0 = 0 = = 0 0 = 0 1 = = = 1 1 1 = 0 1 0 =
–   Hiarcs 11.12803+11
−11
(−61)36.5 − 27.5
(+26−17=21)
57.0%
36.5 / 64
100.0%
−11
= 1 1 0 = 0 = = = 1 0 1 = 1 0 1 = = 0 = 1 1 = = 0 1 1 = 1 0 0 1 1 = 1 = 1 1 0 0 0 1 1 1 1 0 0 = = 0 1 0 1 1 1 = = = 1 0 1 = 0 =
–   Rybka 1.0 32-bit2791+13
−13
(−73)37.5 − 26.5
(+22−11=31)
58.6%
37.5 / 64
100.0%
−19
0 = = = 1 = 0 = = = = 1 1 = = = = = 0 1 0 1 = = 1 = = 0 1 1 0 = = = 1 1 1 1 1 = 1 = 1 = 1 0 0 1 0 1 1 1 = = 1 0 = = 1 = = = = 0
–   Hiarcs 112790+15
−15
(−74)5 − 4
(+3−2=4)
55.6%
5.0 / 9
100.0%
−37
= 1 1 1 0 = 0 = =
–   Strelka 1.8 32-bit2782+13
−13
(−82)43 − 20
(+28−5=30)
68.3%
43.0 / 63
100.0%
+27
1 1 1 1 = 1 1 = = = 0 = = = = 1 1 = = 1 1 = 1 = = 1 = = 1 1 = = = = 0 1 = 1 = = 1 1 1 0 0 1 1 = 1 = = 1 = 1 = = 1 = 1 0 1 = 1
–   Loop 13.6 (Loop 2007) 32-bit2775+10
−10
(−89)5 − 5
(+2−2=6)
50.0%
5.0 / 10
100.0%
−89
0 1 0 = = = = = = 1
–   Toga II 1.3.12772+10
−9
(−92)63 − 42
(+45−24=36)
60.0%
63.0 / 105
100.0%
−22
1 = 1 1 1 0 = 1 0 = = 0 1 1 = 1 0 1 = 0 = = = 1 1 1 1 = = = = = 0 0 0 1 1 = 1 = 1 1 0 0 1 = = = 1 = 1 1 = 1 0 = = 1 1 1 1 1 1 = 1 1 1 0 0 = 0 = 1 = 1 = = = 0 0 1 0 1 0 0 = 1 = 0 = = 1 1 1 1 = 0 0 0 1 1 = 0 1 1
–   Toga II 1.2.1a 32-bit2762+9
−9
(−102)50.5 − 23.5
(+39−12=23)
68.2%
50.5 / 74
100.0%
+22
= = = 1 1 = = = 1 1 0 0 = = = 1 1 1 1 = 0 = 1 1 = 1 1 1 1 = 1 0 1 0 1 1 = 1 = 1 = 0 = 1 = 1 = 1 1 1 1 = 0 1 0 1 1 0 = 1 1 1 1 0 1 = 1 0 1 = 1 1 1 0
–   Loop 13.5 32-bit2762+18
−18
(−102)19 − 13
(+13−7=12)
59.4%
19.0 / 32
100.0%
−39
1 0 1 0 = 0 1 = 0 1 1 1 1 = = = 1 1 1 = 1 = = = = = 1 0 0 0 1 =
–   Hiarcs X502756+16
−16
(−108)21.5 − 8.5
(+16−3=11)
71.7%
21.5 / 30
100.0%
+38
1 = = 1 1 1 1 = 1 1 1 = 1 = 1 0 = = 1 0 0 = 1 = 1 1 1 = 1 =
–   Fritz 92750+11
−11
(−114)40 − 15
(+34−9=12)
72.7%
40.0 / 55
100.0%
+56
1 1 = 1 = = 1 1 1 0 = 1 = 1 1 0 1 1 0 1 1 1 0 1 1 0 1 = 1 0 = 1 1 1 1 = 1 1 1 1 1 = = 0 1 1 1 0 1 1 1 = 1 = 0
–   Fruit 2.2.12750+18
−18
(−114)39 − 17
(+29−7=20)
69.6%
39.0 / 56
100.0%
+13
1 1 1 1 = = 0 0 1 1 1 1 1 = = 0 = = 1 1 1 1 1 0 1 0 = = 1 = = 1 1 = 1 = 1 = 0 = = = 1 1 = 1 = 1 1 1 0 1 1 = = 1
–   Hiarcs X54 Hypermodern 32-bit2749+21
−21
(−115)18 − 6
(+14−2=8)
75.0%
18.0 / 24
100.0%
+54
1 = 0 1 1 1 1 0 1 1 = = 1 1 1 1 = = 1 = = 1 1 =
–   Hiarcs X54 32-bit2744+16
−16
(−120)38.5 − 21.5
(+27−10=23)
64.2%
38.5 / 60
100.0%
−27
1 0 = = 1 = 1 0 = = 1 = 1 = 1 1 1 = 1 = = 1 1 1 = 0 0 = 0 0 1 0 1 = = 1 = 1 1 1 1 = 1 1 1 = 1 1 0 = 1 0 = 0 = = 1 1 = =
–   Hiarcs X50 Hypermodern2743+27
−27
(−121)15.5 − 8.5
(+12−5=7)
64.6%
15.5 / 24
100.0%
−17
1 1 = = 1 = 0 = 0 1 1 = = 1 1 0 1 0 1 1 1 1 = 0
–   Strelka 1.0b 32-bit2739+17
−17
(−125)46 − 18
(+34−6=24)
71.9%
46.0 / 64
100.0%
+19
1 = 1 = 1 1 1 1 = 1 1 1 = 1 1 0 = 1 1 1 1 1 1 1 = 1 0 1 = = = 1 1 = = = = 1 1 0 1 1 = 0 0 1 = = = 1 1 1 = = 0 = = = = 1 = 1 1 1
–   Naum 2.1 32-bit2738+14
−14
(−126)18.5 − 11.5
(+14−7=9)
61.7%
18.5 / 30
100.0%
−43
0 1 1 = 1 1 1 0 1 1 0 = = 1 = = = 1 1 1 = 1 = 0 1 0 0 1 = 0
–   Hiarcs 102736+20
−19
(−128)15.5 − 4.5
(+12−1=7)
77.5%
15.5 / 20
100.0%
+60
1 = = = 1 1 1 1 0 1 1 = 1 1 1 1 = = 1 =
–   Spike 1.2 Turin2731+6
−6
(−133)37 − 17
(+28−8=18)
68.5%
37.0 / 54
100.0%
−7
1 = 0 1 0 1 1 = 1 1 = 1 1 0 = = = 1 1 1 1 1 0 0 1 = 1 0 = 1 1 0 = 1 1 = = 1 0 = 1 1 = 1 1 = 1 1 = = = 1 1 =
–   Hiarcs 10 Hypermodern2701+27
−27
(−163)17 − 8
(+13−4=8)
68.0%
17.0 / 25
100.0%
−39
1 = 0 = 1 0 1 = 0 = 1 1 = 1 = 1 1 = 1 1 1 0 = 1 1
–   Naum 2.0 32-bit2700+8
−8
(−164)39 − 15
(+33−9=12)
72.2%
39.0 / 54
100.0%
0
1 1 0 = = 1 1 1 = 1 1 1 0 1 1 1 1 1 = 0 0 1 = 1 0 = 1 = = = 0 = 1 0 1 1 1 1 1 = 1 0 1 1 1 1 1 1 1 1 0 = 1 1
–   Chess Tiger 20072700+11
−11
(−164)10 − 4
(+7−1=6)
71.4%
10.0 / 14
100.0%
−28
1 0 = 1 = = 1 1 = 1 1 = 1 =
–   Spike 1.12678+24
−24
(−186)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+31
= 1 = = 1 1 1 = 1 1 0 1 1 1 0 1 1 1 1 1 = = 1 1 1 1 = 1 1 =
–   Glaurung 1.2.1 32-bit2657+10
−10
(−207)44.5 − 10.5
(+39−5=11)
80.9%
44.5 / 55
100.0%
+33
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 0 1 1 1 = 1 1 1 1 1 0 1 1 0 = 1 1 1 1 = 1
–   CM10th Xperience2639+14
−14
(−225)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
−26
1 1 1 1 1 1 = = = = 1 = 1 1 = 1 1 0 1 1 1 1 0 = 1 = 1 1 1 =
–   Scorpio 1.82624+14
−15
(−240)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−40
1 1 1 0 1 1 1 1 1 1 1 = 1 = = = 1 1 1 1 = 0 1 1 = 1 1 1 1 = 0 0
–   CM10th Default2615+25
−26
(−249)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
−68
1 = = 1 1 = 1 0 1 = 1 = 1 1 1 1 = 1 = 1 1 1 1 1 = 1 = = 1 0
–   Slow Chess Blitz WV2.12615+6
−6
(−249)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
−15
= 1 1 = 1 1 1 1 1 1 1 1 = 1 = 1 1 = = 1 1 1 = = 1 = 1 1 = 1
–   Glaurung 1.0.2 32-bit2612+29
−29
(−252)24 − 6
(+21−3=6)
80.0%
24.0 / 30
100.0%
−20
1 = 1 0 0 1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 = = 1 1 1 1 = 0 1
–   Naum 1.91 32-bit2606+19
−20
(−258)24 − 6
(+21−3=6)
80.0%
24.0 / 30
100.0%
−27
= 1 = 0 1 1 1 = 1 = 1 1 1 1 1 0 1 1 = 1 0 1 1 1 = 1 1 1 1 1
–   Pharaon 3.5.12603+7
−7
(−261)23.5 − 6.5
(+20−3=7)
78.3%
23.5 / 30
100.0%
−48
= 1 1 1 1 1 0 = 1 = 1 1 1 = 1 1 1 1 1 1 1 0 1 = 1 = 1 0 = 1
–   ProDeo 1.12587+11
−11
(−277)23.5 − 7.5
(+19−3=9)
75.8%
23.5 / 31
100.0%
−92
0 1 = 1 1 1 = = = 0 1 1 = 1 1 0 = 1 1 1 1 1 1 = 1 1 1 1 = = 1
–   Delfi 5.02576+15
−15
(−288)27.5 − 2.5
(+26−1=3)
91.7%
27.5 / 30
100.0%
+108
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
–   Aristarch 4.502567+8
−8
(−297)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Pharaon 3.32547+32
−33
(−317)24 − 5
(+20−1=8)
82.8%
24.0 / 29
100.0%
−76
1 = 1 1 = 1 1 1 1 1 1 = 1 1 1 = = 1 1 = 0 1 1 1 1 = = 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 1.2 32-bit
played with current
participants of this list
Represented by
1-2-CPU    61Rybka 4.1 64-bit
32-bit    243Rybka 2.3.2a 32-bit
32-bit 1-2-CPU    243Rybka 2.3.2a 32-bit
32-bit single-CPU    243Rybka 2.3.2a 32-bit
All    61Rybka 4.1 64-bit 4CPU
Single-CPU    61Rybka 4.1 64-bit

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