CCRL Blitz
Downloads and Statistics
January 23, 2021
Testing summary:
Total: 2'444'303 games
played by 2'907 programs

White wins: 940'165 (38.5%)
Black wins: 754'457 (30.9%)
Draws: 749'681 (30.7%)
White score: 53.8%

Engine Details

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Rybka 2.1 32-bit (2857+12
−12		)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
–   Rybka 2.2 32-bit2893+14
−14		(+36)28.5 − 40.5
(+11−23=35)
41.3%
28.5 / 69
0.0%
−15
= = = = 1 = 0 = = = = = 0 = 1 1 1 1 0 = = = 1 0 = 0 1 = 1 = 0 0 = 1 0 0 = 0 = 0 0 = = 0 = = 0 0 = 0 = = 0 = 1 1 = 0 = 0 = = 0 = = = 0 0 0
–   Rybka 1.2 32-bit2864+14
−15		(+7)48 − 50
(+21−23=54)
49.0%
48.0 / 98
21.9%
−2
0 = = = 1 0 = = 0 0 = = 1 = = = 0 0 = 1 = = 1 1 1 0 = 0 = = 1 = = = 1 1 0 = = = = 0 1 1 = = = = = 0 = 1 = 1 1 = = 0 = = = = = = = 0 0 1 = = = = = 1 0 0 = = = = 1 0 = 1 0 1 = 0 = 0 1 = = 0 0 = 1 0
–   Rybka 1.1 32-bit2853+21
−21		(−4)26 − 24
(+12−10=28)
52.0%
26.0 / 50
60.8%
+5
1 = = = = = = 0 = = = = = = 1 1 0 1 1 = = = 0 1 0 = = = = = 0 1 1 = 1 0 0 = = 1 1 = = = = 0 0 1 = 0
–   Loop 10.32f2813+24
−24		(−44)20 − 10
(+12−2=16)
66.7%
20.0 / 30
99.9%
+53
0 1 = 1 1 1 = = 1 1 1 1 1 1 = = = = = 1 0 = = = = = = = = 1
–   Hiarcs 11.12803+11
−11		(−54)50.5 − 45.5
(+36−31=29)
52.6%
50.5 / 96
100.0%
−35
0 1 0 0 = = = = 0 = 1 1 = = = = 0 0 = 0 = 0 1 1 = 1 1 = 1 0 1 0 1 1 1 = = 0 1 1 0 1 = 0 1 0 1 0 0 1 0 = = = 0 = 0 1 1 0 0 1 1 = 1 0 = 1 0 = 1 1 1 1 1 = 1 1 1 1 = 0 0 = 0 = 0 1 0 0 0 = 0 1 = 1
–   Hiarcs 112790+15
−14		(−67)4 − 5
(+3−4=2)		44.4%
4.0 / 9
100.0%
−110
0 0 1 1 0 = 0 1 =
–   Loop 12.322779+32
−31		(−78)18 − 11
(+13−6=10)		62.1%
18.0 / 29
100.0%
+2
= 1 1 1 0 1 = 1 = = 1 = 0 1 = = 0 1 0 = = 0 1 = 1 0 1 1 1
–   Loop 13.6 (Loop 2007) 32-bit2775+10
−10		(−82)35 − 17
(+26−8=18)
67.3%
35.0 / 52
100.0%
+35
= 1 = = 1 1 1 1 = 1 1 1 0 0 1 0 0 1 = 1 = 1 1 1 1 0 0 = = 1 1 1 = 1 = 1 = = 1 = = 1 = 0 1 1 1 = = = 0 1
–   Toga II 1.3.12772+9
−10		(−85)87 − 48
(+61−22=52)
64.4%
87.0 / 135
100.0%
+10
0 = 1 = 1 0 1 0 = 1 = = 1 = = 1 1 = = 1 1 1 = = = 1 = 0 1 = = = = 1 = = 1 1 1 1 1 = 1 = 1 1 1 1 0 1 = 0 1 0 = 0 = 1 = = 1 1 1 0 1 = = = 1 1 0 0 1 = 0 = 1 = 0 1 = = 1 0 = = 1 1 1 1 1 = 1 = 1 1 = = = 1 0 0 1 = = = 1 1 = 0 1 1 1 = = 1 1 = 1 0 = 0 = = 0 1 0 1 0 1 1 1 1 = 1
–   Glaurung 1.2.1 32-bit 4CPU2770+15
−15		(−87)33.5 − 16.5
(+24−7=19)
67.0%
33.5 / 50
100.0%
+24
1 0 1 1 = = 1 0 1 1 0 = = = 1 0 1 1 = = 1 1 1 = 1 1 = = 0 1 1 1 1 = = 1 0 = 1 = = = = = 1 0 1 1 1 =
–   Loop 13.5 32-bit2762+18
−18		(−95)38.5 − 24.5
(+27−13=23)
61.1%
38.5 / 63
100.0%
−24
= 0 0 1 1 = = 0 0 1 = 0 = = 0 = 1 = 1 1 1 1 0 1 1 1 1 0 1 = = 1 = 1 1 = 1 1 0 1 = 1 = 1 0 1 1 = = = = 1 = = 0 1 1 0 0 1 = = =
–   Toga II 1.2.1a 32-bit2762+9
−9		(−95)73 − 39
(+54−20=38)
65.2%
73.0 / 112
100.0%
+5
0 = 0 = 1 1 1 = 1 1 1 = 1 = = 1 1 = 1 = 0 0 1 1 = 1 1 = 1 0 1 0 1 = = = 0 = 1 1 1 = 1 = 1 = 1 = = 0 1 0 = = = = = 1 1 1 0 = = 1 1 1 1 = 0 = 0 1 1 0 1 0 1 1 1 1 = 1 1 1 = 1 = = 1 0 1 = = 1 1 1 = = 1 0 0 = 0 1 1 1 0 = 0 1 1 1
–   Hiarcs X502756+16
−16		(−101)44 − 18
(+33−7=22)
71.0%
44.0 / 62
100.0%
+38
= 1 0 1 = 1 1 = 1 = 0 = 1 0 = = 1 = 1 1 = 1 1 = 1 0 0 1 1 1 = 1 1 0 1 0 1 1 = = = = = 1 = 1 1 = 1 1 1 1 = 1 1 1 = = = 1 1 1
–   Shredder 102754+22
−22		(−103)46.5 − 33.5
(+31−18=31)
58.1%
46.5 / 80
100.0%
−50
1 1 0 = 1 = 1 = = 1 = = 0 0 = = 0 = = = 1 0 0 = = 1 = 1 0 0 0 = 1 = 0 = 0 = = 1 0 1 = 0 1 1 1 1 = 1 1 1 1 = = = 1 1 1 = 0 0 1 = 1 1 0 1 1 1 1 = 0 = 1 0 1 = = =
–   Fritz 92750+11
−11		(−107)101.5 − 59.5
(+79−37=45)
63.0%
101.5 / 161
100.0%
−16
0 1 1 = = = 0 0 = 1 = 1 1 0 0 0 = 0 = = = = 0 0 1 1 1 0 1 = 1 = = = 1 1 1 = = 1 = 1 1 1 1 = 0 0 1 = 1 0 = 0 0 1 1 1 1 1 1 1 = 1 0 = 0 0 0 1 0 = 1 1 1 = 0 = 1 = 1 1 0 0 0 = 0 1 1 = = 1 1 1 1 1 = = 0 1 0 1 1 = 1 1 1 0 1 1 1 = 1 0 = 0 1 1 = = 0 0 = = 1 1 1 1 1 = 1 1 0 = 1 1 1 1 1 1 = 1 0 = 1 0 = 1 1 1 1 = 0 1 1 0 = 1 1 1 1
–   Hiarcs X54 Hypermodern 32-bit2749+21
−21		(−108)48 − 20
(+36−8=24)
70.6%
48.0 / 68
100.0%
+28
0 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 = = 1 = 0 0 1 1 1 0 = = 1 = 1 = 1 = 0 1 0 = 1 = = = 1 = 1 = 1
–   Hiarcs X54 32-bit2744+16
−16		(−113)77 − 43
(+64−30=26)
64.2%
77.0 / 120
100.0%
−7
= 1 0 1 1 = 1 = = 1 1 0 1 0 0 1 0 1 = 1 1 1 0 1 = 1 1 0 0 1 1 = 1 0 1 1 1 = 1 1 1 1 1 0 = = 1 = = 1 1 = = 1 1 0 = 1 1 0 0 = 0 = 1 0 0 1 1 = = 1 0 1 0 1 1 1 1 = 1 0 0 1 0 = 1 1 1 0 1 1 = 0 1 1 0 = 0 = 1 1 1 1 1 1 = 1 1 = 0 0 0 1 0 1 1 1 0 1
–   Hiarcs X50 Hypermodern2743+27
−27		(−114)42.5 − 25.5
(+33−16=19)
62.5%
42.5 / 68
100.0%
−26
0 1 1 0 1 1 0 0 = 0 0 0 1 1 1 1 = 1 1 0 1 = 0 1 = 0 1 = 1 1 1 1 = = 0 = 1 1 1 0 = 1 = = 1 0 = 0 1 = 1 0 = 1 = = 1 1 1 1 1 = 0 = 1 1 = 1
–   Naum 2.1 32-bit2738+14
−14		(−119)36 − 24
(+24−12=24)
60.0%
36.0 / 60
100.0%
−56
= 0 0 1 1 = 1 1 = 1 0 = 0 = 1 = = = 1 1 1 0 1 0 = = = = 1 1 0 = = = = 1 0 0 1 = 0 = = 1 = = 0 1 1 1 1 = = 1 0 1 1 = 1 1
–   Hiarcs 102736+20
−20		(−121)42 − 20
(+28−6=28)
67.7%
42.0 / 62
100.0%
−11
= 1 = 1 = 1 = = 0 1 = 0 = = 1 0 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 = = =
–   Toga II 1.1a 32-bit2735+39
−37		(−122)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Spike 1.2 Turin2731+6
−5		(−126)89.5 − 41.5
(+69−21=41)
68.3%
89.5 / 131
100.0%
0
1 = 1 1 0 = 0 1 0 1 0 0 = 0 0 1 = 0 0 1 1 1 = = 0 1 = 1 = 1 1 1 1 0 = 1 1 = 1 1 = 1 0 1 1 0 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 0 1 1 = 0 = 1 1 1 1 1 1 1 = = 0 = 1 = = 1 1 1 1 1 = 0 = = = = 0 1 = 1 1
–   Hiarcs 10 Hypermodern2701+27
−27		(−156)47 − 21
(+36−10=22)
69.1%
47.0 / 68
100.0%
−27
1 1 1 1 1 1 1 = 1 = 0 1 = = 1 = = = 0 = 0 = 1 1 1 = = 1 1 1 0 1 1 0 1 1 1 1 1 = = = 0 1 = = 1 0 = 1 0 1 1 1 0 = = 1 1 0 = 1 1 1 1 1 = =
–   Naum 2.0 32-bit2699+8
−8		(−158)98.5 − 31.5
(+81−14=35)
75.8%
98.5 / 130
100.0%
+27
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 0 1 = 0 1 = 1 1 = 1 = 1 = = = 1 1 0 1 1 0 1 0 1 1 = 0 1 0 = = 0 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 = 0 1 = 1 = 1 1 1 1 = =
–   Spike 1.12678+24
−24		(−179)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Fritz 82666+32
−31		(−191)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−160
=
–   Glaurung 1.2.1 32-bit2657+10
−10		(−200)101.5 − 28.5
(+89−16=25)
78.1%
101.5 / 130
100.0%
+16
0 1 1 1 1 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 1 0 = 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 0 1 1 = 1 1 1 1 1 1 1 1 1 1 = = 1 = 1 1 = 1 0 0 = 1 1 = 1 1 0 1 = 0 = = 1 0 1 = 1 1 1 1 1 0 = 1 0 1 = 1 1 1 1 1 1 1 1 = = 1 1
–   CM10th Paralyse2655+15
−15		(−202)20.5 − 9.5
(+16−5=9)
68.3%
20.5 / 30
100.0%
−76
1 1 1 1 1 0 = = 1 1 = = 0 1 0 1 0 = 1 1 0 1 1 1 = = = 1 1 =
–   Scorpio 1.812648+14
−14		(−209)112.5 − 35.5
(+94−17=37)
76.0%
112.5 / 148
100.0%
−19
= = = 1 1 1 1 1 1 1 0 1 1 1 0 1 1 = 1 = 1 0 1 = = = 1 1 1 = 1 1 1 1 = = 1 0 1 1 1 1 1 1 1 1 1 = 0 1 1 0 1 0 = = 1 1 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 0 = = = = 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 0 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 1 = = 1 1 0 1 1 0 0 = 1 = 1 =
–   Scorpio 1.92641+13
−13		(−216)104 − 24
(+89−9=30)
81.3%
104.0 / 128
100.0%
+18
1 1 1 1 = 0 0 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 0 1 1 = 1 1 1 = 1 1 1 = = 1 1 = = 1 1 1 1 1 1 = 1 1 0 = 1 = 1 1 0 1 1 1 = 0 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
–   Scorpio 1.912640+12
−12		(−217)51.5 − 12.5
(+46−7=11)
80.5%
51.5 / 64
100.0%
+24
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 0 1 1 1 1 1 = = = 0 1 1 1 1 1 1 1 1 0 1 1 = 0 1
–   Scorpio 1.822638+20
−20		(−219)53 − 11
(+45−3=16)
82.8%
53.0 / 64
100.0%
+25
1 1 1 1 1 0 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 1 1 1 1 = 1 1 = 1 1 1
–   CM10th Xperience2638+14
−14		(−219)46 − 14
(+38−6=16)
76.7%
46.0 / 60
100.0%
−27
1 1 1 0 1 0 1 = 1 = 1 = 1 1 1 1 = 1 = = 1 1 = = 1 1 1 1 1 = = = = 1 1 = = 1 0 1 1 0 1 0 = 1 1 0 1 1 1 1 = 1 1 1 1 1 1 1
–   Scorpio 1.842633+20
−20		(−224)103 − 25
(+86−8=34)
80.5%
103.0 / 128
100.0%
−1
= = = 1 = 1 = 1 1 1 1 = 1 1 1 1 = 1 = 1 0 1 0 0 = 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 = 0 1 1 1 1 1 0 1 1 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 1 = 1 = 1 1 1 1 = = 1 1 = 1 = 1 1 =
–   Scorpio 1.82623+15
−14		(−234)49 − 13
(+43−7=12)
79.0%
49.0 / 62
100.0%
−10
0 = 1 1 1 = 1 0 0 1 1 1 1 1 = 1 1 = = 1 1 1 1 = 1 1 0 1 1 1 0 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
–   Slow Chess Blitz WV2.12615+6
−6		(−242)53 − 10
(+48−5=10)
84.1%
53.0 / 63
100.0%
+40
1 = 1 1 = 1 1 0 1 1 1 = 1 = 0 1 1 1 1 1 = 1 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 1 1 = 1 1 1
–   CM10th Default2615+26
−26		(−242)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Naum 1.91 32-bit2606+19
−19		(−251)50 − 10
(+45−5=10)
83.3%
50.0 / 60
100.0%
+19
1 1 1 0 = = 1 = 0 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 1 1 1 = = 1 1 1 1 1 1 1 = = 1 1 1 1 = 1 1 0 1 1
–   Pharaon 3.5.12602+7
−7		(−255)50 − 10
(+43−3=14)
83.3%
50.0 / 60
100.0%
0
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 = 0 1 1 1 = 1 1 1 1 1 1 = 1
–   List 5.122591+11
−10		(−266)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−296
=
–   Ruffian 1.0.52585+9
−9		(−272)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Delfi 5.02576+15
−15		(−281)56 − 4
(+55−3=2)
93.3%
56.0 / 60
100.0%
+191
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 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
–   Pharaon 3.32547+32
−33		(−310)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Fritz 5.322539+13
−13		(−318)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Petir 3.99d2524+18
−18		(−333)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Crafty 20.14 32-bit2519+27
−27		(−338)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   AnMon 5.502508+23
−23		(−349)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Crafty 19.19 32-bit2486+28
−28		(−371)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   The Baron 1.7.02458+16
−16		(−399)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Nejmet 3.072424+8
−8		(−433)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−402
= =
–   Dragon 4.62417+8
−7		(−440)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
2876 games: 1563 wins, 442 losses, 871 draws (30.3%), score: 69.5%

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Created in 2005-2013 by CCRL team
Last games added on January 23, 2021