CCRL Blitz
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 2'464'260 games
played by 2'932 programs

White wins: 947'616 (38.5%)
Black wins: 759'359 (30.8%)
Draws: 757'285 (30.7%)
White score: 53.8%

Engine Details

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Rybka 2.2 64-bit (2937+18
−18		)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
–   Stockfish 1.6.3 64-bit2986+15
−14		(+49)14 − 18
(+6−10=16)
43.8%
14.0 / 32
0.0%
+13
0 0 = = 0 = = 1 = = = = 0 = 0 1 0 1 = 1 = 0 1 = 0 1 = = = 0 = 0
–   Critter 0.70 64-bit2974+18
−18		(+37)16 − 16
(+10−10=12)
50.0%
16.0 / 32
0.2%
+39
0 1 0 1 = 1 = 1 1 1 = 0 = 0 = 0 0 = = = 1 = 1 0 = 0 0 1 1 0 = =
–   Komodo 1.2 64-bit2967+12
−12		(+30)30 − 32
(+18−20=24)
48.4%
30.0 / 62
0.2%
+19
= 1 1 1 1 1 0 1 0 0 = = 0 1 = 0 0 = 0 0 = = = 0 0 0 0 0 0 = = = 1 = 1 1 1 1 0 0 1 = 0 1 = = = = 0 = = 0 1 1 = = = 1 = 0 1 =
–   Spark 0.5 64-bit2921+18
−18		(−16)19 − 14
(+16−11=6)
57.6%
19.0 / 33
90.5%
+43
= = 0 0 0 1 0 1 0 1 = = 1 1 = 1 0 1 1 0 0 = 1 1 1 0 1 1 1 1 0 1 0
–   Spark 0.4 64-bit2882+11
−11		(−55)35 − 27
(+24−16=22)
56.5%
35.0 / 62
100.0%
−11
0 0 = 1 = = 1 0 1 0 = = 1 1 1 1 = 1 0 1 = 1 1 0 1 0 1 0 = 0 0 = = 1 = 0 = = = = 0 1 1 0 1 1 = 1 1 = 0 1 = = 1 = 0 1 = = 0 1
–   Critter 0.60 64-bit2866+17
−17		(−71)19 − 11
(+12−4=14)
63.3%
19.0 / 30
100.0%
+13
= 1 = 1 0 1 = 1 = 1 1 0 = 1 = = = 0 = 0 1 1 = = 1 1 = = 1 =
–   Hannibal 05_24_10v2 64-bit2858+31
−31		(−79)20.5 − 14.5
(+12−6=17)
58.6%
20.5 / 35
100.0%
−23
1 0 1 0 = 1 1 1 = 0 = 0 0 = = 1 1 = = 1 = 1 = = = 0 1 = = 1 = = = 1 =
–   Protector 1.3.5 64-bit2856+15
−15		(−81)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
+37
0 1 = 1 = 0 = 1 1 1 = = = 0 = 1 = 1 = 1 = = 1 1 1 1 = 1 1 =
–   Hannibal 05_20_10 64-bit2825+26
−26		(−112)32.5 − 17.5
(+21−6=23)
65.0%
32.5 / 50
100.0%
−18
1 = = 1 = 1 1 1 = = = = = = = 0 0 1 = 1 1 = 1 1 = 1 0 1 1 0 = 1 = 1 0 = = 1 = 1 = 0 1 = = 1 1 = = 1
–   Fritz 102799+18
−17		(−138)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
100.0%
−174
= 0 0 1 1 = 0 0 = 1
–   Hiarcs 112791+15
−14		(−146)47 − 17
(+37−7=20)
73.4%
47.0 / 64
100.0%
+15
= 1 1 1 = 1 1 1 1 0 1 = = 1 1 1 1 0 1 = = 1 1 = 1 = 1 1 1 = = = 1 0 1 0 1 = 1 1 = 1 1 = 0 = 1 1 = 1 = = 1 1 0 1 = 1 1 1 1 0 = 1
–   Toga II 1.3.12773+9
−10		(−164)49 − 15
(+39−5=20)
76.6%
49.0 / 64
100.0%
+20
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 0 = 1 1 1 1 1 = 1 1 1 0 1 1 1 1 = 1 = = 1
–   Twisted Logic 20100131x 64-bit2768+10
−10		(−169)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+83
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
–   Toga II 1.2.1a 32-bit2762+9
−9		(−175)48 − 15
(+38−5=20)
76.2%
48.0 / 63
100.0%
+8
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 = = 0 1 1 1 0 1 1 = = 1 1 1 0 = 1 = 1 =
–   Bison 9.11 64-bit2761+9
−9		(−176)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+13
1 = 1 1 = = 1 1 1 1 1 = 1 = 1 1 = 1 = 1 = 1 1 = 1 0 = 1 1 =
–   Naum 2.1 64-bit2761+21
−21		(−176)46.5 − 17.5
(+38−9=17)
72.7%
46.5 / 64
100.0%
−12
1 = 1 1 = 1 = 1 1 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 0 1 0 = 0 1 = 1 1 1 0 1 1 = 0 1 = 0 = 1 1
–   Hiarcs X502756+16
−16		(−181)48 − 16
(+41−9=14)
75.0%
48.0 / 64
100.0%
+5
0 1 1 1 1 = 1 1 = 1 1 0 0 1 = 1 1 1 = 1 0 1 1 1 1 1 = 0 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
–   Fritz 92750+11
−11		(−187)44 − 20
(+33−9=22)
68.8%
44.0 / 64
100.0%
−60
0 1 1 1 1 = = = 1 0 1 = 0 = = = 0 1 1 0 1 1 1 1 1 1 = = 0 1 1 = 1 1 = = 1 = = 1 = 0 1 1 1 1 = 1 1 = 1 1 0 = 0 = = 1 1 1 1 1 = =
–   Hiarcs X54 32-bit2745+16
−16		(−192)52 − 12
(+44−4=16)
81.3%
52.0 / 64
100.0%
+41
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 0 0 1 = 0 1 = = 1 1 1 1 1 =
–   Junior 102739+22
−22		(−198)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
−44
1 1 0 = 1 = 1 0 1 1
–   Spike 1.2 Turin2731+6
−6		(−206)48.5 − 15.5
(+38−5=21)
75.8%
48.5 / 64
100.0%
−28
= 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 0 = = 0 1 1 = 1
–   Ktulu 82725+14
−14		(−212)7.5 − 2.5
(+5−0=5)		75.0%
7.5 / 10
100.0%
−63
1 1 1 = 1 1 = = = =
–   Chess Tiger 20072700+11
−11		(−237)53 − 11
(+48−6=10)
82.8%
53.0 / 64
100.0%
+31
= 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 1 = 1 = 0 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
–   Naum 2.0 64-bit2693+11
−11		(−244)52.5 − 11.5
(+46−5=13)
82.0%
52.5 / 64
100.0%
+4
= 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 0 = 1 1 1 1 = = = 1 1 = 1 1 1 1 0 1 1 1 0 1 1 1 = = 1 1 1 1 1 1
–   Glaurung 1.2.1 64-bit2656+15
−15		(−281)63.5 − 10.5
(+57−4=13)
85.8%
63.5 / 74
100.0%
+11
1 1 1 1 1 1 0 = 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 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
–   CM10th Xperience2639+14
−14		(−298)51.5 − 12.5
(+44−5=15)
80.5%
51.5 / 64
100.0%
−67
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 0 1 1 = 1 1 1 1 = 1 1 1 = 1 1 = 1 0 1 1 0 =
–   ProDeo 1.22609+11
−11		(−328)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
100.0%
−208
1 1 1 0 1 1 0 1 0 =
–   Trace 1.37a2500+7
−7		(−437)8 − 1
(+7−0=2)		88.9%
8.0 / 9
100.0%
−124
1 = 1 1 1 = 1 1 1
–   Nebiyu 1.22310+41
−42		(−627)12 − 0
(+12−0=0)		100.0%
12.0 / 12
100.0%
+INF
1 1 1 1 1 1 1 1 1 1 1 1
1266 games: 716 wins, 171 losses, 379 draws (29.9%), score: 71.5%

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Created in 2005-2013 by CCRL team
Last games added on February 20, 2021