CCRL 40/15
Downloads and Statistics
March 8, 2021
Testing summary:
Total: 1'223'546 games
played by 2'800 programs

White wins: 420'224 (34.3%)
Black wins: 308'992 (25.3%)
Draws: 494'330 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 2021-01-11 64-bit 4CPU (3553+21
−21
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 121 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 (in SF) 64-bit 4CPU3531+21
−21
(−22)16 − 16
(+2−2=28)
50.0%
16.0 / 32
93.0%
−22
= = 0 1 = = = 1 = = = = = = = = = = = = = = = = 0 = = = = = = =
–   Fat Fritz 2 (in SF) 64-bit3508+17
−17
(−45)27.5 − 24.5
(+4−1=47)
52.9%
27.5 / 52
99.9%
−32
= = = = = = = = = = = = 1 = = = = = = = = = = = = = = = = = = = = = 1 = = = = = = = = = 0 1 1 = = = = =
–   Dragon by Komodo 64-bit 4CPU3502+17
−17
(−51)30.5 − 19.5
(+11−0=39)
61.0%
30.5 / 50
100.0%
+6
= = = = = = 1 = = = = = = = = = = 1 = = = = 1 = = = = = = = 1 = 1 = = = 1 = = = 1 = 1 = 1 = 1 = 1 =
–   Dragon by Komodo 64-bit3476+16
−16
(−77)31 − 19
(+12−0=38)
62.0%
31.0 / 50
100.0%
−13
= = = = 1 = 1 = 1 = 1 = = = = = 1 = 1 = 1 = = = 1 = = = 1 = = = = = = = = = = 1 = = = = = = 1 = 1 =
–   Houdini 6 64-bit 4CPU3399+10
−10
(−154)40.5 − 9.5
(+31−0=19)
81.0%
40.5 / 50
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
–   SlowChess Blitz 2.5 64-bit 4CPU3399+20
−20
(−154)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−24
= 1 = = = 1 = 1 = 1 = 1 = = = = = 1 1 1 = 1 1 = = = 1 1 = 1 = 1
–   Ethereal 12.75 64-bit 4CPU3395+17
−17
(−158)39 − 11
(+28−0=22)
78.0%
39.0 / 50
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
–   Fire 8 64-bit 4CPU3390+20
−20
(−163)42.5 − 11.5
(+31−0=23)
78.7%
42.5 / 54
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
–   Nemorino 6.00 64-bit 4CPU3385+18
−18
(−168)36.5 − 13.5
(+23−0=27)
73.0%
36.5 / 50
100.0%
−31
1 = 1 1 1 = = = 1 = = 1 1 = 1 1 1 = = 1 = = = 1 = 1 = = 1 = 1 = 1 = = 1 1 = = 1 1 = = = 1 = 1 = 1 =
–   Igel 2.9.0 64-bit 4CPU3367+17
−17
(−186)35 − 15
(+21−1=28)
70.0%
35.0 / 50
100.0%
−69
= 1 = 1 = = 0 1 1 1 = 1 = 1 = 1 = 1 1 = = = = = 1 1 = 1 = 1 = = = = = = = 1 1 1 1 = = 1 1 = 1 = = =
–   SlowChess Blitz 2.4 64-bit 4CPU3359+22
−21
(−194)39.5 − 10.5
(+29−0=21)
79.0%
39.5 / 50
100.0%
−6
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 =
–   Xiphos 0.6 64-bit 4CPU3332+14
−14
(−221)43 − 7
(+36−0=14)
86.0%
43.0 / 50
100.0%
+46
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
–   Fire 7.1 64-bit 4CPU3322+11
−11
(−231)44 − 6
(+38−0=12)
88.0%
44.0 / 50
100.0%
+63
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 =
–   RofChade 2.3 64-bit 4CPU3312+15
−15
(−241)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
100.0%
−10
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 =
–   Pedone 3.0 64-bit 4CPU3309+20
−21
(−244)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
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 1 = 1 = 1 1 1 = 1 = 1 = 1 1 1 = 1 =
–   Booot 6.4 64-bit 4CPU3300+15
−15
(−253)47 − 5
(+42−0=10)
90.4%
47.0 / 52
100.0%
+82
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

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Created in 2005-2013 by CCRL team
Last games added on March 8, 2021