CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Engine Details

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Rybka 2.3.2a 64-bit 4CPU (3044+10
−11		)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 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 3 64-bit 4CPU3319+14
−14		(+275)6 − 46
(+0−40=12)
11.5%
6.0 / 52
0.0%
−28
0 0 0 = 0 0 0 0 = 0 0 = 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 = 0 = 0 0 0 = 0 0 = = = 0 0 0 0 = = 0 0 0 0 0 0 0
–   Rybka 3 64-bit 4CPU3166+10
−9		(+122)27 − 73
(+3−49=48)
27.0%
27.0 / 100
0.0%
−18
= = 0 = = = 0 0 0 = 0 0 0 0 0 = = = = 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 = 1 0 = 0 0 0 = 0 0 0 0 0 = = 0 = = 0 0 0
–   Pedone 1.6 64-bit 4CPU3114+18
−18		(+70)24 − 28
(+12−16=24)
46.2%
24.0 / 52
0.0%
+46
0 = = = = 0 1 1 = 0 = = = 0 1 1 1 1 1 = 1 0 = = 0 1 0 0 0 = 0 0 0 = 0 1 = = = = 0 = = 1 = 1 = 0 = = 0 =
–   Hiarcs 14 4CPU3107+12
−12		(+63)24 − 28
(+9−13=30)
46.2%
24.0 / 52
0.0%
+41
= = = 1 = = = 0 = = 0 1 = 0 = = = = 0 1 = 0 1 0 0 = 0 = 1 0 0 = = = 0 = = = 0 1 0 1 = 1 = = = = = = 1 =
–   Rybka 3 64-bit3078+9
−9		(+34)47.5 − 51.5
(+21−25=53)
48.0%
47.5 / 99
0.0%
+23
0 0 0 0 = 1 = = 0 = 0 0 = 1 0 = 0 = = = = 0 = 1 0 = = 1 = 1 1 = = = 1 = 0 = = = = 1 = = = = = = = = = 0 1 = 0 1 0 0 0 1 = 0 = 1 = = 0 = 1 = = = 1 = = = 0 = 1 1 = 0 1 0 = = 0 = 1 = = 1 = 1 1 = 0 0 =
–   Deep Fritz 13 4CPU3073+17
−17		(+29)22.5 − 29.5
(+3−10=39)
43.3%
22.5 / 52
0.2%
−5
= = = = = 0 = = = = = = 1 = = = = = = = 1 = 0 = = = = = = 0 0 = = = = = = = = 0 = 0 = 0 0 0 1 = = = = 0
–   Cheng 4.39 64-bit 4CPU3063+12
−12		(+19)25.5 − 26.5
(+13−14=25)
49.0%
25.5 / 52
1.2%
+13
= = = 1 = 0 = = 1 1 1 = 1 0 = 0 0 0 = = = = 1 0 = 1 1 0 0 = = = = 0 1 1 1 0 0 = 1 = 1 0 = = 0 = = = = 0
–   Bobcat 7.6 64-bit 4CPU3035+19
−20		(−9)27.5 − 24.5
(+14−11=27)
52.9%
27.5 / 52
80.2%
+7
= = = = = 1 = = 1 = 1 = = = 0 1 0 = 1 0 1 1 = = 1 1 = 1 = = 1 = = 0 1 1 0 0 0 = = = 0 0 = = = 0 1 0 = =
–   Deep Junior 13.3 64-bit 4CPU3025+17
−17		(−19)33 − 19
(+21−7=24)
63.5%
33.0 / 52
97.0%
+63
= = 0 = = 1 1 1 1 = = 0 = 0 = 1 1 1 0 1 0 = 1 0 = 1 1 = 1 1 = 1 = 1 = 1 1 = 1 = = = 1 1 = 1 0 = = = = =
–   Naum 3 64-bit 4CPU2986+12
−12		(−58)58 − 40
(+36−18=44)
59.2%
58.0 / 98
100.0%
−1
= = 0 = 1 1 = = 0 1 1 = 1 1 = 0 1 0 = = = 1 = = 1 = = = 0 1 0 = 1 = = = 1 = = = 1 = = 1 = = 1 0 = = = 1 = = = 0 0 1 1 1 0 1 1 = = = = 0 1 = 1 0 = 1 = 0 = 1 1 1 1 1 = 1 1 0 0 0 1 1 = = 1 = 1 0 1 0
–   Naum 3.1 64-bit 4CPU2979+10
−10		(−65)57.5 − 42.5
(+30−15=55)
57.5%
57.5 / 100
100.0%
−21
= 1 0 0 = 1 = = = 1 1 1 = = = = 1 = 0 0 0 0 0 = 1 1 = = = 0 = 1 = 0 = 1 = = 0 = = = = = = = 0 1 1 1 1 = = 1 1 = = 1 1 = 1 1 0 = = = = 1 = 1 = 1 = = 1 = = 1 = 1 = 1 1 = 0 = 0 = = = = = = = = 0 1 = = 1
–   Zappa Mexico II 64-bit 4CPU2972+7
−7		(−72)36.5 − 13.5
(+29−6=15)
73.0%
36.5 / 50
100.0%
+87
= 1 1 = 1 1 = 1 1 = 0 1 = 1 1 1 1 1 1 1 1 1 0 1 1 1 = 0 1 = 0 1 0 = = 1 = = 0 1 1 1 1 = = 1 1 = = 1
–   Zappa Mexico 64-bit 4CPU2945+8
−8		(−99)126.5 − 73.5
(+81−28=91)
63.3%
126.5 / 200
100.0%
−17
0 = 1 = 1 1 1 = 0 = = = = = 1 0 = = = 1 = 1 1 1 0 = 1 = = 1 = 1 1 = = = = 1 1 1 = 1 = = = 1 = 0 1 1 = 1 1 = = 1 = 1 0 = 0 1 = = = = = 1 1 1 1 0 1 1 0 1 = 1 = 0 = = = = = 1 = = 1 = 1 = = = = 1 1 = = 0 0 0 1 0 1 1 1 = 1 = = 0 1 1 1 1 1 0 1 = 1 1 = 1 1 1 1 = 0 1 = 1 = = 1 = 1 = 1 = 0 0 = = 1 1 = = 1 = 0 0 0 = 1 1 = 1 0 = = 1 1 = = 0 = 1 = 1 = = = 0 = 1 1 = 1 1 1 = 1 = = = 1 = = 1 1 = 1 0 = 0 = = 1 0
–   Hiarcs 12 4CPU2941+9
−8		(−103)60.5 − 36.5
(+39−15=43)
62.4%
60.5 / 97
100.0%
−25
= 1 0 1 = = 1 = 1 = = 1 1 1 = 1 = 1 1 = = = = 1 1 = = 0 1 0 1 0 = = 1 0 = 1 1 0 = 0 = 1 1 = 0 0 = 1 1 0 = 1 = 1 = 1 1 = 1 1 1 = = = = 1 = 1 0 = = 1 0 1 = = = = = 0 = 1 = = = 1 1 1 1 1 1 = 0 0 =
–   Deep Shredder 11 64-bit 4CPU2932+9
−9		(−112)126 − 67
(+84−25=84)
65.3%
126.0 / 193
100.0%
−16
0 1 = = = = = = = = 0 = 0 = 0 1 1 = 1 = 1 1 1 1 1 1 = 1 = = 1 0 1 = 1 = = = 1 = = = 1 1 0 = 1 1 = = 1 = 1 = 1 1 = = 1 1 = = = 1 = = = = 1 = 1 0 = 0 1 1 1 1 1 1 1 = 0 = = 1 = 1 = 1 1 = = 0 1 = 1 1 = = 1 1 0 0 1 1 1 1 = = 0 1 1 0 1 = = 0 = 1 = 1 1 1 0 = 0 0 = 1 1 0 = = 1 = 1 0 = 0 = = = 0 1 = 1 = 1 0 1 0 1 = = = 1 1 = 1 1 = 1 1 1 1 = = 1 1 1 1 1 = 1 1 = 1 = = = = 0 = = = = 1 1 1 = = 1
–   Deep Sjeng 3.0 64-bit 4CPU2930+9
−9		(−114)57.5 − 42.5
(+39−24=37)
57.5%
57.5 / 100
100.0%
−65
= 1 0 1 0 = 1 1 0 1 = = = 1 = 0 = 1 = 1 = 1 = = 1 = 0 1 1 0 = 1 1 0 0 = 0 1 1 1 1 0 = = 0 1 1 0 1 = 1 1 1 = 1 1 0 0 = = = 0 = 1 = = 1 1 = = 0 0 1 = 1 = 0 1 = = 0 = 1 = 1 = = 1 = 1 1 1 0 0 1 = = 0 0 0
–   Hiarcs Paderborn 2007 4CPU2930+14
−13		(−114)60.5 − 33.5
(+37−10=47)
64.4%
60.5 / 94
100.0%
−29
= = 1 0 0 = 0 0 = = 0 = = = = 1 1 = 1 1 0 = 1 1 = 1 1 = 1 = 1 = 0 1 = 1 = = = 1 1 1 1 = = = = 1 = = 1 = 0 = = = = 1 1 = = = 1 = = = 1 1 = 1 0 = = 0 = = = 1 1 1 = 1 1 1 1 = = = 1 = 1 1 1 1
–   Deep Fritz 10.1 4CPU2926+16
−15		(−118)35 − 15
(+28−8=14)
70.0%
35.0 / 50
100.0%
+25
1 1 1 0 1 0 1 1 = 1 1 1 1 0 1 = 1 1 1 1 = 1 = 1 0 1 = 1 = 1 0 1 = 0 1 = 0 1 = 0 1 1 1 = = 1 = = = 1
–   Hiarcs 11.2 4CPU2914+13
−14		(−130)73 − 24
(+59−10=28)
75.3%
73.0 / 97
100.0%
+46
= 1 1 = 1 = 1 0 = = 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 0 1 0 1 = = 1 = 1 = 1 0 = 1 1 = = 1 = 0 1 1 1 1 1 = 1 0 1 0 1 1 1 1 1 1 1 1 0 = = 1 =
–   Naum 2.2 64-bit 4CPU2908+13
−13		(−136)72 − 27
(+56−11=32)
72.7%
72.0 / 99
100.0%
+20
1 = = 1 1 1 1 = 0 1 1 1 0 1 1 1 1 = = = 1 1 1 1 1 = = = 1 0 0 = = = 0 = 1 1 1 = = 1 1 1 1 0 = 1 1 = = 1 1 1 0 1 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 0 = = 1 1 1
–   Toga II 1.4 beta5c 4CPU2904+9
−9		(−140)35.5 − 13.5
(+27−5=17)
72.4%
35.5 / 49
100.0%
+11
1 = = 1 1 1 1 1 = 1 0 0 1 = = 1 = 1 0 1 1 = = 1 = = = 1 = 0 = 1 1 = 1 1 1 = 1 1 1 = 0 1 1 1 = 1 1
–   Hiarcs 11.1 4CPU2900+14
−14		(−144)36.5 − 13.5
(+28−5=17)
73.0%
36.5 / 50
100.0%
+10
1 0 = = 1 1 = 0 1 1 1 1 = = 1 1 1 = = 0 1 1 1 1 1 1 0 = 1 1 1 = = = 1 1 = = 1 = = = 1 = 1 0 1 1 1 1
–   Glaurung 2.1 64-bit 4CPU2900+12
−11		(−144)75.5 − 20.5
(+60−5=31)
78.6%
75.5 / 96
100.0%
+54
1 = 1 1 = = 0 1 1 = 1 = 1 = = = = = = = 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 0 = = 1 1 1 1 1 1 = 1 1 = = 1 1 1 = 1 1 0 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
–   Toga II 1.4.1SE 4CPU2899+11
−11		(−145)19 − 11
(+13−5=12)
63.3%
19.0 / 30
100.0%
−59
0 1 = 1 = 1 0 = 1 = = 1 1 = 0 1 1 1 = = = 1 0 1 0 1 = = = 1
–   Bright 0.3d 4CPU2890+14
−14		(−154)73.5 − 25.5
(+52−4=43)
74.2%
73.5 / 99
100.0%
0
= 1 = = 0 1 0 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 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 = = = = = = 0 = = 1
–   Loop M1-T 64-bit 4CPU2881+9
−9		(−163)71.5 − 26.5
(+53−8=37)
73.0%
71.5 / 98
100.0%
−11
0 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 1 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 = 0 1 1 0 = = 1
–   Bright 0.3b 4CPU2877+13
−13		(−167)75 − 24
(+58−7=34)
75.8%
75.0 / 99
100.0%
+7
= 1 = 1 = 1 1 1 1 1 0 = 0 0 = 0 1 1 1 = = 1 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 = 1 1 = 1 1 0 1 = 1 1 1 0 = 1 = = 1 = 1 1 = 1 1 = 1 1 = 1 1 1 = = = = = 1 = 1
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2867+16
−16		(−177)74.5 − 24.5
(+58−8=33)
75.3%
74.5 / 99
100.0%
−5
1 0 1 1 1 = 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 = 1 = 1 1 = 1 1 = 1 0 1 0 = = = 1 = 0 = 1 1 = = 1 1 1 1 0 0 1 = 1 1 1 1 = = = = 1 1 1 1 1 1 1 1 1 = 1 1 =
–   Glaurung 2.0.1 64-bit 4CPU2861+13
−13		(−183)66 − 17
(+53−4=26)
79.5%
66.0 / 83
100.0%
+24
1 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 = 1 0 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 = 1 1 1 0
–   Bright 0.3a 4CPU2853+14
−14		(−191)34 − 14
(+25−5=18)
70.8%
34.0 / 48
100.0%
−56
1 = = 1 0 = 1 1 1 = = 1 = 1 0 = = 1 1 = = 1 1 = = 1 0 1 1 1 = 0 1 1 1 1 = = 1 1 = = 1 1 = 1 1 0
–   Deep Shredder 10 64-bit 4CPU2846+14
−14		(−198)79 − 20
(+63−4=32)
79.8%
79.0 / 99
100.0%
+10
= 1 1 1 1 1 = = = 1 1 1 1 1 = 1 = 1 1 1 = 1 = = 1 1 1 = = 1 = 1 1 = = = 1 0 0 1 0 1 1 1 1 = 1 1 1 1 = 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 1 1 1 = = = = = = 1 1 1 1 = 1 =
–   Deep Shredder 11 64-bit2842+11
−11		(−202)77 − 23
(+59−5=36)
77.0%
77.0 / 100
100.0%
−20
1 1 1 1 1 = 1 1 = = 1 = 1 1 1 = 1 = = 1 1 = = 0 1 = 1 = = = = 1 1 1 0 1 = 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 1 = = 1 1 = = 0 1 = 1 1 1 1 = = 1 1 = 0 = 1 1 1
–   Deep Fritz 10 4CPU2840+15
−15		(−204)77 − 23
(+60−6=34)
77.0%
77.0 / 100
100.0%
−21
1 1 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 1 = = 1 1 1 1 = = 1 1 1 1 1 1 1 = = = 1 1 1 1 1 1 = = 1 1 1 0 1 1 = 1 1 0 = 0 = 1 1 0 = = 1 1 1 1 = 0 = 1 =
–   Deep Junior 10 4CPU2832+12
−12		(−212)73 − 26
(+57−10=32)
73.7%
73.0 / 99
100.0%
−49
= 1 0 = = 0 1 1 1 0 1 = 1 = 1 1 0 1 = = 1 = 1 = = 0 1 1 = 1 0 = = 1 1 = = = 1 = 1 1 1 = 1 0 1 1 1 1 = = 1 1 0 1 = = = 1 1 1 1 0 1 1 1 = 1 = 1 1 1 = 1 = 1 0 1 1 = 1 = = 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1
–   Bright 0.2c 4CPU2812+17
−17		(−232)77 − 14
(+68−5=18)
84.6%
77.0 / 91
100.0%
+42
1 1 = 1 1 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 1 1 1 1 1 1 = 0 = = 1 1 1 1 1 = 1 1 1 1 1 = 1 = 1 1 0 1 1 = 1 1 1 0 1 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 = 0 1
–   Strelka 1.8 32-bit2782+13
−13		(−262)85 − 15
(+72−2=26)
85.0%
85.0 / 100
100.0%
+1
1 1 1 1 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 1 = 1 = 1 1 1 1 1 = 1 = 1 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 1 1 1 1 1 = 1 = 1 1 1 =
–   Deep Sjeng 2.7 4CPU2777+15
−15		(−267)206 − 35
(+179−8=54)
85.5%
206.0 / 241
100.0%
+8
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 1 = 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 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 = 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 1 1 = 1 1 1 1 = 1 1 1 = 1 0 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 1 = 1 = 1 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 1 1 = 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 = =
–   Toga II 1.3.12772+10
−10		(−272)87 − 13
(+77−3=20)
87.0%
87.0 / 100
100.0%
+25
= 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 1 = 1 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 1 = = 1 1 1 1 1 = 1 1 1 1 1 = 1 0 1 1 1 = = 1 1 1 1 1 1 1 1 =
–   Spike 1.2 Turin2731+6
−6		(−313)89.5 − 10.5
(+80−1=19)
89.5%
89.5 / 100
100.0%
+13
1 1 = 1 1 1 = = = 1 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 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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1
–   Scorpio 2.0 32-bit 4CPU2730+20
−20		(−314)43 − 6
(+38−1=10)
87.8%
43.0 / 49
100.0%
−13
1 = 1 = = 1 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 1 1 1 = = 1 1 1 1 1 1 1 1 =
3571 games: 1794 wins, 456 losses, 1321 draws (37.0%), score: 68.7%

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Created in 2005-2013 by CCRL team
Last games added on April 17, 2021