CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Rybka 1.2 32-bit (2864+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 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
1 0 1 = = = = 1 = 0 = = = 1 = = 0 0 = = = = 0 0 = 1 1 1 0 0 = = 0 0 = 0 = 1 = = = 1 = = 1 = = 0 1 = = 0 1 1
–   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
97.4%
−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
−14
(−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+9
−9
(−92)63 − 42
(+45−24=36)
60.0%
63.0 / 105
100.0%
−22
= 0 0 0 1 1 = 1 = 1 1 0 0 1 = = = 1 = 1 1 = 1 0 1 = 1 1 1 0 = 1 0 = = 0 1 1 = 1 0 1 = 0 = = = 1 1 1 1 = = = = = = 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
–   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 =
–   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
–   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
0 1 = 1 0 = 1 1 1 1 = 1 1 1 1 1 = = 0 1 1 = 1 = = 1 1 1 0 = 1 = 1 1 0 1 1 0 1 1 1 0 1 1 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 = 1 1 1 1 = 1 1 1 = 1 1 0 = 1 0 = 0 = = 1 1 = = 1 0 = = 1 = 1 0 = = 1 = 1 = 1 1 1 = 1 = = 1 1 1 = 0 0 = 0 0
–   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
−20
(−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 = 1 0 = 1 1 0 = 1 1 = = 1 0 = 1 1 = 1 1 = 1 1 = = = 1 1 = 1 = 0 1 0 1 1 = 1 1 = 1 1 0 = = = 1 1 1 1 1 0 0
–   Hiarcs 10 Hypermodern2701+27
−27
(−163)17 − 8
(+13−4=8)
68.0%
17.0 / 25
100.0%
−39
= 0 = 1 0 1 = 0 = 1 1 = 1 = 1 1 = 1 1 1 0 = 1 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 =
–   Naum 2.0 32-bit2700+8
−8
(−164)39 − 15
(+33−9=12)
72.2%
39.0 / 54
100.0%
0
0 = 1 0 1 1 1 1 1 = 1 0 1 1 1 1 1 1 1 1 0 = 1 1 1 1 0 = = 1 1 1 = 1 1 1 0 1 1 1 1 1 = 0 0 1 = 1 0 = 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 0 0 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 = 1 1 = 1 1 0 = 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+26
−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 WV2.12614+6
−6
(−250)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
−16
= 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 1.12588+11
−11
(−276)23.5 − 7.5
(+19−3=9)
75.8%
23.5 / 31
100.0%
−91
1 = 1 1 1 = = = 0 1 1 = 1 1 0 = 1 1 1 1 0 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 4.502566+7
−7
(−298)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

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Created in 2005-2013 by CCRL team
Last games added on July 20, 2019