CCRL 40/15
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 1'183'411 games
played by 2'723 programs

White wins: 407'663 (34.4%)
Black wins: 301'004 (25.4%)
Draws: 474'744 (40.1%)
White score: 54.5%

Engine Details

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Stockfish 1.9.1 64-bit 4CPU (3115+22
−22
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 114 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Vajolet2 2.7 64-bit 4CPU3185+25
−25
(+70)6.5 − 13.5
(+1−8=11)
32.5%
6.5 / 20
0.0%
−31
–   Houdini 1.5a 64-bit 4CPU3183+17
−17
(+68)16.5 − 32.5
(+4−20=25)
33.7%
16.5 / 49
0.0%
−29
–   RubiChess 1.5 64-bit 4CPU3164+29
−29
(+49)9.5 − 5.5
(+5−1=9)
63.3%
9.5 / 15
0.4%
+127
–   Rybka 4 64-bit 4CPU3148+10
−10
(+33)33 − 43
(+15−25=36)
43.4%
33.0 / 76
0.4%
−5
–   Rybka 4.1 64-bit 4CPU3145+9
−9
(+30)11.5 − 20.5
(+3−12=17)
35.9%
11.5 / 32
0.7%
−54
–   Arasan 20.4.1 64-bit 4CPU3120+26
−25
(+5)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
37.4%
+35
–   Winter 0.7 64-bit 4CPU3108+25
−26
(−7)13 − 11
(+8−6=10)
54.2%
13.0 / 24
64.4%
+20
–   Stockfish 1.8 64-bit 4CPU3107+18
−18
(−8)15 − 18
(+3−6=24)
45.5%
15.0 / 33
69.3%
−32
–   Critter 0.90 64-bit 4CPU3078+31
−31
(−37)19.5 − 14.5
(+9−4=21)
57.4%
19.5 / 34
97.4%
+4
–   Naum 4.2 64-bit 4CPU3061+10
−10
(−54)29.5 − 18.5
(+17−6=25)
61.5%
29.5 / 48
100.0%
+14
–   Deep Shredder 12 64-bit 4CPU3018+10
−10
(−97)26.5 − 13.5
(+18−5=17)
66.3%
26.5 / 40
100.0%
+5
–   Zappa Mexico II 64-bit 4CPU2969+10
−10
(−146)46.5 − 19.5
(+29−2=35)
70.5%
46.5 / 66
100.0%
−26
–   Deep Sjeng WC2008 64-bit 4CPU2925+12
−13
(−190)52.5 − 14.5
(+40−2=25)
78.4%
52.5 / 67
100.0%
0
–   Thinker 5.4c Inert 64-bit 4CPU2923+15
−15
(−192)63.5 − 12.5
(+52−1=23)
83.6%
63.5 / 76
100.0%
+49
–   Bright 0.5c 4CPU2891+23
−23
(−224)40.5 − 8.5
(+33−1=15)
82.7%
40.5 / 49
100.0%
+9

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Created in 2005-2013 by CCRL team
Last games added on October 17, 2020