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 2.2 64-bit 4CPU (3002+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
–   Stockfish 1.6s JA 64-bit 4CPU3093+13
−13		(+91)41.5 − 57.5
(+22−38=39)
41.9%
41.5 / 99
0.0%
+38
= 1 0 0 1 0 = 1 1 0 0 0 0 1 1 0 = = 1 = = = = 1 0 1 = = 0 = = 0 = 1 0 1 = = 1 = 1 = 0 = = 0 = 1 0 = 1 = 0 = 0 = 1 0 = 1 1 0 0 0 0 = 0 = 0 0 = = 0 = = 0 0 0 0 = = = 0 1 = 0 1 = = 1 0 0 0 1 = = 0 0 0
–   Stockfish 1.6.3 64-bit 4CPU3089+13
−13		(+87)34 − 66
(+11−43=46)
34.0%
34.0 / 100
0.0%
−12
1 0 0 0 1 0 = = 1 0 0 = 0 0 = = = 0 = 0 0 0 = 0 = = = 0 = 1 = = = = 0 = 1 = 0 0 1 1 = = 0 0 0 0 1 0 = 1 0 = 0 = = = = 0 = 0 = 1 0 = = = = 0 = 0 0 = = = = 0 = 1 = 0 = 0 0 0 = 0 = 0 0 = 0 0 = 0 0 = 0 =
–   Naum 4.1 64-bit 4CPU3070+15
−15		(+68)21.5 − 28.5
(+6−13=31)
43.0%
21.5 / 50
0.0%
+29
= 1 0 0 = = 1 0 = = = = 0 = = 0 = = = = = = = 0 = = = 0 = = = = = = 0 = = = 1 0 = 1 0 1 0 0 0 = 1 =
–   Naum 4 64-bit 4CPU3061+10
−10		(+59)42.5 − 57.5
(+14−29=57)
42.5%
42.5 / 100
0.0%
+13
= 0 0 = = = 0 = 0 = 0 1 1 = 0 1 = = 0 0 0 = 0 = = = 1 = 1 = = = 0 1 = 1 1 = = = 0 = = 1 0 = = = = = 0 0 0 = = = 0 0 = = = 0 1 = 0 = = = = = = 0 1 = 0 = 0 = 0 = = = 0 = 1 = 0 = 0 1 = = 0 = 1 = 0 = = =
–   Deep Shredder 12 64-bit 4CPU3041+7
−7		(+39)91.5 − 108.5
(+49−66=85)
45.8%
91.5 / 200
0.0%
+12
1 1 = = 0 0 1 0 1 0 = = 1 = 1 0 0 0 = 0 = 0 1 = 0 0 = 1 = = = 0 = 0 = = = = = 1 1 1 1 0 = = 1 = 0 1 = 1 0 = = 0 = 0 0 = = 0 1 = = 0 = = 1 0 = 0 0 0 = = = 0 0 1 = 0 0 1 = = 0 0 = 0 = = 0 0 = = = = 1 1 0 = = 1 = = 1 1 0 1 1 1 = 0 0 0 0 = 1 1 1 0 = 1 0 0 1 = = = = 1 = 0 = 0 1 0 = = 1 = = 0 1 = = = 0 1 = 0 1 0 0 1 1 = = = 1 = 0 = = = = 0 = = 1 = 1 0 0 0 1 0 1 0 1 0 1 0 = 0 = = 1 = 0 = 0 = 0 = 1 = 0 0
–   Stockfish 1.5.1 64-bit 4CPU3028+14
−14		(+26)46 − 54
(+27−35=38)
46.0%
46.0 / 100
0.2%
0
= = 0 = 0 0 1 = = 0 = 0 = 1 1 1 1 1 1 1 = 0 1 1 = 0 = = 1 0 0 0 = 0 = = 0 0 1 1 1 = 0 = 1 0 0 0 = 0 1 = 1 = = 0 1 = 0 0 = 1 = 0 0 0 1 = 1 0 1 0 = 0 0 1 = = 0 = = = = = = = 1 0 0 0 = = 0 = 0 = 1 1 1 0
–   Naum 3.1 64-bit 4CPU2978+10
−10		(−24)52 − 48
(+22−18=60)
52.0%
52.0 / 100
99.9%
−12
= 1 = 0 = = = 0 = 1 0 1 = 1 = 0 = 1 0 = 1 = = 0 0 0 = = 0 = = 0 = 1 = = = = = 1 0 = 1 1 1 = 0 = 1 = = = 1 1 = 1 = = = = = = = 0 = = 0 1 0 = = = 1 1 1 1 = = = 1 0 = 0 = = = = 1 = = = = 0 = = = = = = =
–   Stockfish 1.4 64-bit 4CPU2975+15
−15		(−27)58 − 42
(+39−23=38)
58.0%
58.0 / 100
99.8%
+24
= = 1 1 1 = = 1 1 = 1 1 0 0 = = 1 0 1 = 1 = = = 1 1 0 0 = 0 1 = 1 1 1 1 1 1 1 0 0 0 = 1 0 0 1 1 0 1 = 0 = = = 1 = 0 = 1 = 1 = 0 1 = 0 = = 1 0 0 0 = 1 = 1 1 = = = = = 0 1 1 = = 1 1 1 = 1 0 0 = 1 = = 0
–   Zappa Mexico II 64-bit 4CPU2970+7
−7		(−32)56 − 43
(+32−19=48)
56.6%
56.0 / 99
100.0%
+6
1 1 0 1 0 1 = 0 0 0 1 1 1 = 1 0 0 = = = = = = 1 0 1 = 1 = 1 = = 0 = 0 = = = = = 0 1 0 = 1 0 = = 1 = = = = 1 1 1 1 = 0 1 1 = 1 1 0 1 = 1 = 1 = = = = = 1 0 = = 1 = = 0 = = 1 = = 0 = = = = 1 = = 1 0 1
–   Spark 0.3 64-bit 4CPU2969+12
−12		(−33)49.5 − 50.5
(+22−23=55)
49.5%
49.5 / 100
100.0%
−33
1 = 0 = = 0 0 0 = 0 = = = = = = 1 = = = 0 = = = 0 0 1 = 1 0 1 = 1 = = = = = 1 1 = = 1 0 = = 0 0 = = 1 1 1 = 0 0 1 = 1 = 1 1 1 = 1 = 0 = = = = = = = 0 0 0 1 = = = = 1 1 = = = = = 0 0 = = 0 = = 0 = 1 0
–   Spark 0.3a 64-bit 4CPU2962+18
−17		(−40)29 − 21
(+17−9=24)
58.0%
29.0 / 50
100.0%
+6
0 1 = 0 = = = 0 0 = 1 = = 1 1 0 1 = 1 1 1 0 1 = = = 1 1 = = = 1 = 0 = 0 = 1 1 1 = = = = 1 = 1 = = 0
–   Thinker 5.4c Inert 64-bit 4CPU2952+9
−9		(−50)56 − 44
(+34−22=44)
56.0%
56.0 / 100
100.0%
−13
1 1 1 1 0 0 1 = 1 1 1 = = 0 1 0 = = = 0 = = 1 0 1 1 0 = 1 = 0 0 0 0 = = = 1 1 = 1 = 1 0 = = 1 = = 1 1 = = 0 = = = 1 1 = 1 1 1 = = = = = 1 = = = 1 0 = 1 = = = 0 1 1 = 0 1 = = 0 = 0 = 0 = 1 1 0 0 = 0 1
–   Deep Junior 11.1a 64-bit 4CPU2942+14
−14		(−60)29 − 21
(+20−12=18)
58.0%
29.0 / 50
100.0%
−7
= = 1 0 = 0 0 1 1 1 = 0 1 0 = = 1 1 1 = = 1 1 = 1 = 0 0 1 1 1 = = 0 1 0 = 0 1 = 1 0 1 = 1 = 0 1 = =
–   Deep Sjeng WC2008 64-bit 4CPU2940+8
−8		(−62)58 − 42
(+34−18=48)
58.0%
58.0 / 100
100.0%
−13
= 0 1 = = 0 = 1 0 = = = = = 1 = 1 = = = = 1 = = 1 = 1 = 0 = = = 1 0 = 1 1 1 = = 1 = 1 = = 0 1 1 0 = 1 = = 0 = 1 = 0 1 1 0 = 1 0 = = 1 = = = 1 = = 0 = 0 = = = = = 0 1 1 1 = 0 1 1 1 1 0 1 0 1 1 1 1 0 =
–   Hiarcs 12.1 4CPU2939+10
−10		(−63)57 − 43
(+40−26=34)
57.0%
57.0 / 100
100.0%
−16
0 0 = 1 = = 0 = 1 = 1 0 1 1 = 1 1 1 = = 1 0 1 0 1 = = 1 = 1 1 1 = = = 1 0 1 1 = 0 0 1 1 = 0 0 = = 0 1 = 1 1 = = = 1 = = 1 1 0 = 0 0 0 1 0 = 0 1 0 1 1 1 = 1 0 0 0 = 1 1 = 1 1 1 = 1 0 1 = = 0 1 = = 0 0
–   Deep Shredder 11 64-bit 4CPU2932+9
−9		(−70)59.5 − 40.5
(+41−22=37)
59.5%
59.5 / 100
100.0%
−7
1 1 = 1 = 1 1 = 1 0 1 = 1 = 1 = 1 1 = = = = 1 1 0 1 = 0 = = = = 0 0 1 = 1 1 1 1 1 = 0 0 1 1 1 = 0 = 0 0 = = 0 = = 0 = 1 1 1 0 1 0 = = = 1 0 0 1 1 0 1 1 = 0 1 0 1 1 1 1 1 = = = 1 = = 0 0 = = 1 = = 1 0
–   Deep Sjeng 3.0 64-bit 4CPU2930+9
−9		(−72)62.5 − 37.5
(+44−19=37)
62.5%
62.5 / 100
100.0%
+11
= 1 1 = 0 0 1 1 = 1 = 1 = 1 0 = = 1 1 = = = = 1 0 0 1 1 0 1 0 = 1 = = 1 1 1 = 0 1 1 = 1 1 0 1 1 = 1 = = 0 0 1 0 1 = 1 1 = 1 0 0 0 1 = 1 = 0 = = 1 1 1 1 1 = = 1 = 1 = = = 1 = 1 0 1 1 = 1 = = 0 0 1 = =
–   Thinker 5.4a Inert 64-bit 4CPU2926+13
−13		(−76)60 − 40
(+33−13=54)
60.0%
60.0 / 100
100.0%
−16
= = 1 = 1 0 = = 1 = 0 = = = = 1 = = 1 = 1 = = 1 = = 1 = 1 = 1 = 1 = 1 = 0 = 1 = = 0 0 1 1 0 1 0 1 = = = = = = = = 0 1 = 1 0 = 1 = 1 1 0 = = 1 = 1 1 = 0 1 1 = = = = 1 0 = = 1 = = = 0 = 1 = 1 = 1 = = 1
–   Glaurung 2.2 64-bit 4CPU2915+12
−11		(−87)64 − 36
(+47−19=34)
64.0%
64.0 / 100
100.0%
+6
0 1 = 1 1 1 0 1 0 1 1 0 1 1 1 0 1 1 = = 1 1 = = 0 1 = = = 1 = 0 = 1 1 = 1 = = = = 1 0 0 0 0 = 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 0 0 = 0 = 1 1 = 1 0 1 0 1
–   Bright 0.5c 4CPU2906+14
−14		(−96)33.5 − 16.5
(+25−8=17)
67.0%
33.5 / 50
100.0%
+18
1 = 1 = = = 1 = 1 1 0 = 1 1 1 1 1 0 = 1 = 1 = 0 1 1 1 = 0 = = = 1 0 1 0 1 = 1 1 1 1 = = 0 1 = 0 1 1
–   Fritz 112888+9
−9		(−114)64.5 − 35.5
(+36−7=57)
64.5%
64.5 / 100
100.0%
−30
1 1 = = 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 0 1 = 0 = = = = 0 1 = = 1 1 = 1 = = 1 1 0 1 = = 1 = 1 1 = = =
–   Loop M1-T 64-bit 4CPU2881+8
−8		(−121)67.5 − 31.5
(+48−12=39)
68.2%
67.5 / 99
100.0%
−2
1 = 1 = 1 = 1 1 1 0 1 0 = = = 0 0 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 = = 0 1 1 1 = 1 = 1 0 1 0 = 0 = 1 = 1 0 = 1 = = = 1 1 1 = 1 = = 1 1 = 1 1
–   Crafty 23.0 64-bit 4CPU2744+17
−17		(−258)80 − 19
(+68−7=24)
80.8%
80.0 / 99
100.0%
−28
= = = 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 = = = 1 1 = 1 1 = 1 1 = 1 1 0 = 1 1 1 1 0 1 1 1 = 1 = 1 0 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 =
–   Scorpio 2.1 64-bit 4CPU2722+17
−17		(−280)88 − 12
(+81−5=14)
88.0%
88.0 / 100
100.0%
+48
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 0 = = 1 0 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
–   Arasan 11.3 64-bit 4CPU2573+22
−22		(−429)95 − 5
(+90−0=10)
95.0%
95.0 / 100
100.0%
+21
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 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 =
2396 games: 902 wins, 506 losses, 988 draws (41.2%), score: 58.3%

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