CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Engine Details

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Rybka 2.3 LK 32-bit (2897+24
−24		)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
–   Hiarcs 112790+15
−15		(−107)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
−22
1 = 1 0 0 1 = 1 1 0 1 = = = = 1 = = = 1 1 1 1 1 0 0 1 0 0 = 1 1
–   Toga II 1.3.12772+9
−10		(−125)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
+11
1 = 1 = 1 1 = 1 1 0 = 1 = 1 = = 1 = 0 = = 1 0 1 1 1 1 1 1 1 = 0
–   Toga II 1.2.1a 32-bit2762+9
−9		(−135)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
+97
1 1 1 1 = 1 1 0 1 = 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 = 1 = 0 0
–   Hiarcs X502756+16
−16		(−141)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−27
= 1 1 = = 1 = 0 1 1 1 = = 1 1 = 0 1 = 0 = 1 1 1 1 = 1 0 0 = 1 1
–   Fritz 92750+11
−11		(−147)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−8
1 1 1 = 0 1 1 = 1 1 1 1 1 = 0 1 1 1 1 1 0 = 1 1 0 1 = = 0 = = =
–   Fruit 2.2.12750+18
−18		(−147)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−31
1 = = = = 1 = 1 = 1 1 0 1 1 = 1 1 = 0 1 0 0 0 = 1 1 1 = 1 = 1 1
–   Hiarcs X54 32-bit2744+16
−16		(−153)19 − 13
(+14−8=10)
59.4%
19.0 / 32
100.0%
−92
1 1 0 = 1 1 = = 0 0 0 1 1 1 1 = 1 = = = 1 0 0 = 1 1 0 = = 0 1 1
–   Naum 2.1 32-bit2738+14
−14		(−159)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+31
1 1 = 1 1 = 1 = 1 1 1 1 1 1 0 = 1 1 = 1 1 = 0 = 1 0 1 1 = 1 1 =
–   Hiarcs 102736+20
−20		(−161)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+10
0 1 1 1 0 1 = 1 1 = 1 1 1 = 1 = 1 1 1 = 1 = 1 = 1 1 1 0 1 0 0 1
–   Spike 1.2 Turin2731+6
−5		(−166)18.5 − 12.5
(+13−7=11)
59.7%
18.5 / 31
100.0%
−102
1 1 = = = 0 1 0 = 1 = 1 1 1 0 1 0 1 1 0 = = 0 = = 0 1 1 = 1 =
–   Chess Tiger 2007.12713+7
−7		(−184)15.5 − 5.5
(+12−2=7)		73.8%
15.5 / 21
100.0%
−21
1 1 1 = = = 1 1 1 1 1 = 1 = = 1 1 0 = 0 1
–   Chess Tiger 20072700+11
−11		(−197)26.5 − 3.5
(+23−0=7)
88.3%
26.5 / 30
100.0%
+103
1 = 1 = = 1 1 1 = 1 1 1 1 1 = 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1
–   Naum 2.0 32-bit2700+8
−8		(−197)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+48
1 = 1 1 1 = 0 1 = 1 1 = = 1 1 1 = 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1
–   Glaurung 1.2.1 32-bit2657+10
−10		(−240)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
−56
1 = = 1 1 1 = 0 1 1 0 = 0 1 1 = 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 1
–   Scorpio 1.812648+14
−14		(−249)51 − 13
(+43−5=16)
79.7%
51.0 / 64
100.0%
−30
1 0 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 0 = 1 = 1 = 1 1 0 = 1 1 = 1 1 1 = 1 = 1
–   Scorpio 1.912641+12
−12		(−256)23.5 − 7.5
(+20−4=7)
75.8%
23.5 / 31
100.0%
−65
0 1 = 1 1 1 1 1 1 = 0 = 1 1 1 0 1 1 1 = = 1 1 = 1 1 = 0 1 1 1
–   Scorpio 1.92641+13
−13		(−256)55 − 9
(+49−3=12)
85.9%
55.0 / 64
100.0%
+33
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 0 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 1 = 1 1 1
–   Scorpio 1.822638+20
−20		(−259)28.5 − 3.5
(+27−2=3)
89.1%
28.5 / 32
100.0%
+101
= 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
–   Scorpio 1.842633+20
−20		(−264)56 − 8
(+50−2=12)
87.5%
56.0 / 64
100.0%
+39
= 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 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 1.82624+15
−14		(−273)27 − 5
(+25−3=4)
84.4%
27.0 / 32
100.0%
+18
1 1 1 1 1 = 1 1 1 0 = 0 1 1 1 1 1 1 1 1 1 1 = 1 1 0 1 = 1 1 1 1
–   ProDeo 1.22608+11
−10		(−289)27.5 − 4.5
(+26−3=3)
85.9%
27.5 / 32
100.0%
+31
1 0 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
753 games: 491 wins, 87 losses, 175 draws (23.2%), score: 76.8%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2019