CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Stockfish 1.9.1 64-bit 4CPU (3115+24
−23
)Quote
Authors: Tord Romstad (Norway), Marco Costalba, Joona Kiiski Links: Glaurung homepage, Homepage, Development Versions, Testing Framework
Stockfish is based on Glaurung by Tord Romstad.
This is one of the 101 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 1.5a 64-bit 4CPU3190+20
−20
(+75)16.5 − 32.5
(+4−20=25)
33.7%
16.5 / 49
0.0%
−22
= 0 = 0 0 0 0 = = = 1 = = 0 0 = 0 = = = = = = 0 1 0 0 = = = = 0 1 0 = = = 0 = 0 0 = = 0 = 0 0 1 0
–   Rybka 4 64-bit 4CPU3152+10
−10
(+37)33 − 43
(+15−25=36)
43.4%
33.0 / 76
0.2%
−1
= 0 = 0 0 1 = = 0 1 0 = = = 0 = 0 0 = = = 0 0 = 0 = = 1 = 0 = = = 0 = 1 0 = 1 = = 1 = 1 1 0 = = 0 0 = = 0 1 = = 0 = 1 0 = 1 1 0 1 0 = = 0 1 0 1 0 = = =
–   Rybka 4.1 64-bit 4CPU3149+9
−9
(+34)11.5 − 20.5
(+3−12=17)
35.9%
11.5 / 32
0.4%
−50
= = = = 0 0 0 = = 0 0 1 0 = 1 = 0 = 0 0 = = 0 1 0 = 0 = = = = =
–   Arasan 20.4.1 64-bit 4CPU3122+29
−29
(+7)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
34.3%
+37
= = = = = 1 0 1 0 1
–   Stockfish 1.8 64-bit 4CPU3109+20
−20
(−6)15 − 18
(+3−6=24)
45.5%
15.0 / 33
63.4%
−30
= = = = = = = = = 1 1 = = = 0 1 0 = = 0 = = = = = 0 = = 0 0 = = =
–   Critter 0.90 64-bit 4CPU3082+31
−31
(−33)19.5 − 14.5
(+9−4=21)
57.4%
19.5 / 34
95.4%
+8
0 = 1 = = 0 = 1 = 1 1 = = = = 0 1 = 1 = 0 = 1 = 1 1 = = = = = = = =
–   Naum 4.2 64-bit 4CPU3065+10
−10
(−50)29.5 − 18.5
(+17−6=25)
61.5%
29.5 / 48
100.0%
+18
= = = = = 0 = = 0 = 1 1 0 1 = = = 1 1 1 = 1 1 1 = = = 1 = = 1 1 1 = = 0 = = = 0 = 0 = 1 1 1 1 =
–   Deep Shredder 12 64-bit 4CPU3021+10
−10
(−94)26.5 − 13.5
(+18−5=17)
66.3%
26.5 / 40
100.0%
+8
1 1 = = = 1 1 = = 0 1 = 0 1 0 1 = 0 1 1 1 1 1 = = = = 1 = = 1 1 = 1 = 1 0 1 = =
–   Zappa Mexico II 64-bit 4CPU2971+10
−10
(−144)46.5 − 19.5
(+29−2=35)
70.5%
46.5 / 66
100.0%
−24
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 0 = 1 = 1 1 =
–   Deep Sjeng WC2008 64-bit 4CPU2928+13
−13
(−187)52.5 − 14.5
(+40−2=25)
78.4%
52.5 / 67
100.0%
+2
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 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 = = 1
–   Thinker 5.4c Inert 64-bit 4CPU2925+15
−15
(−190)63.5 − 12.5
(+52−1=23)
83.6%
63.5 / 76
100.0%
+51
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 0 1 = 1 = = 1 1
–   Bright 0.5c 4CPU2893+23
−23
(−222)40.5 − 8.5
(+33−1=15)
82.7%
40.5 / 49
100.0%
+11
= 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 =

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Created in 2005-2013 by CCRL team
Last games added on April 21, 2018