CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Stockfish 1.9.1 64-bit 4CPU (3116+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 98 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 1.5a 64-bit 4CPU3193+20
−20
(+77)16.5 − 32.5
(+4−20=25)
33.7%
16.5 / 49
0.0%
−20
= 0 0 = = 0 = 0 0 1 0 0 1 0 0 = = = = = = 1 = = 0 0 = 0 = = = = = = 0 1 0 = = = 0 = 0 = 0 0 0 0 =
–   Rybka 4 64-bit 4CPU3155+10
−10
(+39)33 − 43
(+15−25=36)
43.4%
33.0 / 76
0.1%
0
= 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 4CPU3151+9
−9
(+35)11.5 − 20.5
(+3−12=17)
35.9%
11.5 / 32
0.4%
−49
= 0 = = = = = = = = = 0 0 0 = = 0 0 1 0 = 1 = 0 = 0 0 = = 0 1 0
–   Stockfish 1.8 64-bit 4CPU3112+20
−20
(−4)15 − 18
(+3−6=24)
45.5%
15.0 / 33
61.8%
−28
= = = = = = = = = 1 1 = = = 0 1 0 = = 0 = = = = = 0 = = 0 0 = = =
–   Critter 0.90 64-bit 4CPU3085+31
−31
(−31)19.5 − 14.5
(+9−4=21)
57.4%
19.5 / 34
95.0%
+10
1 = = 0 = 1 = 1 1 = = = = 0 1 = 1 = 0 = 1 = 1 1 = = = = = = = = 0 =
–   Naum 4.2 64-bit 4CPU3067+10
−10
(−49)29.5 − 18.5
(+17−6=25)
61.5%
29.5 / 48
100.0%
+19
= = = = = 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 4CPU3024+10
−10
(−92)26.5 − 13.5
(+18−5=17)
66.3%
26.5 / 40
100.0%
+10
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 4CPU2973+10
−10
(−143)46.5 − 19.5
(+29−2=35)
70.5%
46.5 / 66
100.0%
−23
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 4CPU2930+13
−13
(−186)52.5 − 14.5
(+40−2=25)
78.4%
52.5 / 67
100.0%
+3
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 4CPU2927+15
−15
(−189)63.5 − 12.5
(+52−1=23)
83.6%
63.5 / 76
100.0%
+52
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 4CPU2896+24
−24
(−220)40.5 − 8.5
(+33−1=15)
82.7%
40.5 / 49
100.0%
+13
= 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 February 17, 2018