CCRL 40/15
Downloads and Statistics
April 12, 2021
Testing summary:
Total: 1'235'231 games
played by 2'819 programs

White wins: 423'584 (34.3%)
Black wins: 311'244 (25.2%)
Draws: 500'403 (40.5%)
White score: 54.5%

Engine Details

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Stockfish 6 64-bit 4CPU (3290+14
−14		)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 124 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Komodo 9.2 64-bit 4CPU3325+17
−17		(+35)36.5 − 41.5
(+7−12=59)
46.8%
36.5 / 78
0.1%
+17
0 1 0 = 0 = = = = = = = 0 0 = 0 = = = = = = = 0 1 = = = = = = = = = = 0 = 0 = = = = 1 = = = = = = = = = = = = = = = = = = = 1 = = 1 = = = = 0 0 1 = 0 = 1 =
–   Komodo 9.3 64-bit 4CPU3322+19
−19		(+32)37 − 47
(+6−16=62)
44.0%
37.0 / 84
0.3%
−1
0 = 0 = = = = = 0 = 1 = = = = = = = = = 0 = = 1 0 = = = = = = = 0 = 0 1 0 0 = = 0 = 0 = = = = = 0 = 0 = 1 = = = = = = = 0 = = = 0 = 1 = 0 = = = = = = = = = = 1 = = = =
–   Komodo 9.1 64-bit 4CPU3308+21
−20		(+18)39 − 43
(+10−14=58)
47.6%
39.0 / 82
6.5%
+4
= 1 = = = = = = = = = = 0 0 1 = = 1 0 = = 0 = = 0 = = = 0 1 0 = = = = = = = = 1 0 = = = 0 = = = 1 = = 1 = = = = = = 0 = = = = 1 1 = = = 0 = = 0 = 0 = = = = = = 0 1
–   Komodo 9 64-bit 4CPU3307+20
−19		(+17)43 − 49
(+11−17=64)
46.7%
43.0 / 92
7.6%
0
= 1 0 = = = = = 0 = 1 1 0 1 = 1 0 1 = = = 1 = = = = = 0 = = = = = = = = 0 = 0 1 = 0 0 0 0 0 0 = 0 0 0 1 = = = = = = = = = = = = = = = = = = = = = = = = = = = = 1 0 = = = 1 = = = = = =
–   Komodo 8 64-bit 4CPU3284+16
−16		(−6)53 − 39
(+20−6=66)
57.6%
53.0 / 92
72.5%
+33
1 1 = 1 1 = = = = 0 = 1 = = 1 1 = = = = 1 0 = = = 1 = = = = = = 1 = = = = = 1 0 = = 1 = = 1 = = 1 = = = 1 1 1 = = 0 = = = = = = = 1 0 = = = = = = = = = = = = = = 0 = = 1 = = = = = 1 =
–   Houdini 4 64-bit 4CPU3241+10
−10		(−49)76 − 38
(+43−5=66)
66.7%
76.0 / 114
100.0%
+46
= 1 = = 1 1 = = = = = 1 1 = = = = = = = = 1 = = 1 0 = = 1 0 1 = = = 1 = 1 1 1 = 1 0 = 1 1 = = 1 = = = 0 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 =
–   Fire 4 64-bit 4CPU3197+12
−12		(−93)72 − 40
(+37−5=70)
64.3%
72.0 / 112
100.0%
−15
= 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 1 = = = = = 0 = 1 = 1 = = = = 0 = 1 1 =
–   Gull 3 64-bit 4CPU3179+9
−9		(−111)68.5 − 33.5
(+38−3=61)
67.2%
68.5 / 102
100.0%
−13
= = = = = 1 1 1 1 = = = = = 1 = 0 = = = 1 1 = 1 1 = 1 = 1 1 1 = = 0 = = 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
–   Gull 2.8b 64-bit 4CPU3177+19
−19		(−113)28 − 14
(+17−3=22)
66.7%
28.0 / 42
100.0%
−13
= = 1 = 1 = 1 = 1 1 = 0 = 1 = = = = 1 = 0 = = = = 0 = = 1 = = = 1 1 1 1 = 1 1 1 1 1
–   Equinox 3.20 64-bit 4CPU3172+11
−11		(−118)30 − 12
(+18−0=24)
71.4%
30.0 / 42
100.0%
+6
= = 1 1 = 1 = = 1 = 1 = 1 = = 1 = = 1 = 1 = 1 1 = = = = 1 1 1 1 1 = = = = 1 = = = 1
–   Fritz 15 64-bit 4CPU3160+12
−12		(−130)34.5 − 16.5
(+19−1=31)
67.6%
34.5 / 51
100.0%
−34
= 1 = 1 = = 1 1 = 1 = 1 = = = 1 = 1 = 1 = = = = 1 0 = 1 = = 1 = = = 1 = = = 1 = = = = = 1 1 1 = 1 1 =
–   Equinox 3.30 64-bit 4CPU3160+18
−18		(−130)34 − 16
(+19−1=30)
68.0%
34.0 / 50
100.0%
−29
1 = = = 1 1 = = 1 = = = 1 = 1 = 1 = = 1 = 1 = = 1 1 1 1 = 1 1 = = 0 = = = 1 = = 1 1 = = = = = 1 = =
–   Critter 1.6a 64-bit 4CPU3158+8
−8		(−132)44.5 − 15.5
(+30−1=29)
74.2%
44.5 / 60
100.0%
+13
= 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
–   Bouquet 1.8 64-bit 4CPU3148+11
−11		(−142)39 − 11
(+28−0=22)
78.0%
39.0 / 50
100.0%
+34
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
–   Rybka 4 64-bit 4CPU3146+10
−10		(−144)31.5 − 10.5
(+22−1=19)
75.0%
31.5 / 42
100.0%
+13
1 1 = = = 1 = = 1 1 0 1 = 1 1 = 1 1 = 1 = 1 1 = 1 1 1 1 = = = 1 = 1 1 1 = = = = 1 =
–   Rybka 4.1 64-bit 4CPU3143+9
−9		(−147)40.5 − 9.5
(+32−1=17)
81.0%
40.5 / 50
100.0%
+67
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 =
–   NirvanaChess 2.2 64-bit 4CPU3139+17
−17		(−151)22 − 10
(+12−0=20)
68.8%
22.0 / 32
100.0%
−46
1 1 = = = 1 = 1 = = = 1 = = = = = = = 1 = = 1 = 1 = 1 = = 1 1 1
–   Protector 1.9.0 64-bit 4CPU3138+15
−15		(−152)25 − 8
(+17−0=16)
75.8%
25.0 / 33
100.0%
+4
1 = = 1 = 1 = = = 1 1 1 1 1 1 = = = 1 = 1 = 1 = = = = 1 1 1 1 1 =
–   Alfil 15.7 64-bit 4CPU3136+17
−17		(−154)22.5 − 10.5
(+12−0=21)
68.2%
22.5 / 33
100.0%
−53
= = = 1 1 1 = = = 1 = 1 1 = = = = = 1 = = 1 = 1 = = = 1 1 1 = = =
–   BlackMamba 2.0 64-bit 4CPU3122+15
−15		(−168)35 − 15
(+22−2=26)
70.0%
35.0 / 50
100.0%
−49
1 = 1 = 1 = = 1 1 1 = 1 1 1 = = 0 1 1 = = 1 = 1 = = = 1 1 1 = = 0 1 1 1 = = = = = = 1 = = 1 1 = = =
–   Elektro 1.2 64-bit 4CPU3117+23
−23		(−173)22.5 − 9.5
(+16−3=13)
70.3%
22.5 / 32
100.0%
−44
1 0 1 1 1 1 1 = 1 1 1 = 1 = 1 1 = 1 1 0 = = = = 1 = = = = = 1 0
–   Naum 4.6 64-bit 4CPU3094+14
−14		(−196)38 − 12
(+27−1=22)
76.0%
38.0 / 50
100.0%
−32
= = 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
–   NirvanaChess 2.1c 64-bit 4CPU3094+23
−23		(−196)13.5 − 5.5
(+8−0=11)		71.1%
13.5 / 19
100.0%
−74
1 1 = = = 1 = 1 = = = 1 = 1 = 1 1 = =
–   Chiron 2 64-bit 4CPU3084+14
−15		(−206)42 − 8
(+34−0=16)
84.0%
42.0 / 50
100.0%
+35
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 =
–   Texel 1.05 64-bit 4CPU3083+17
−17		(−207)37.5 − 12.5
(+26−1=23)
75.0%
37.5 / 50
100.0%
−49
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 =
–   NirvanaChess 2.0a 64-bit 4CPU3055+30
−30		(−235)42.5 − 7.5
(+35−0=15)
85.0%
42.5 / 50
100.0%
+17
= = = = 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
1542 games: 566 wins, 93 losses, 883 draws (57.3%), score: 65.3%

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Created in 2005-2013 by CCRL team
Last games added on April 12, 2021