CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 1.4 64-bit 4CPU (2946+17
−17
)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 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 3 64-bit 4CPU3117+13
−13
(+171)22 − 78
(+3−59=38)
22.0%
22.0 / 100
0.0%
−15
–   Naum 4 64-bit 4CPU3041+16
−16
(+95)15.5 − 32.5
(+5−22=21)
32.3%
15.5 / 48
0.0%
−15
–   Cheng 4.39 64-bit 4CPU3008+15
−15
(+62)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.0%
+102
–   Fizbo 1.5 64-bit 4CPU2991+27
−27
(+45)3 − 7
(+0−4=6)
30.0%
3.0 / 10
0.3%
−66
–   Rybka 2.2 64-bit 4CPU2972+20
−19
(+26)57 − 66
(+28−37=58)
46.3%
57.0 / 123
1.7%
+3
–   Zappa Mexico II 64-bit 4CPU2967+10
−10
(+21)23.5 − 38.5
(+12−27=23)
37.9%
23.5 / 62
1.7%
−53
–   Fizbo 1.4 64-bit 4CPU2930+28
−28
(−16)3 − 5
(+1−3=4)
37.5%
3.0 / 8
82.5%
−85
–   Spark 0.3 64-bit 4CPU2925+23
−23
(−21)18 − 14
(+11−7=14)
56.3%
18.0 / 32
92.3%
+21
–   Deep Sjeng WC2008 64-bit 4CPU2924+13
−13
(−22)25.5 − 22.5
(+12−9=27)
53.1%
25.5 / 48
98.3%
−3
–   Arasan 18.0 64-bit 4CPU2924+29
−29
(−22)10 − 10
(+6−6=8)
50.0%
10.0 / 20
89.5%
−22
–   Thinker 5.4c Inert 64-bit 4CPU2921+15
−15
(−25)25.5 − 24.5
(+13−12=25)
51.0%
25.5 / 50
98.5%
−18
–   Deep Shredder 11 64-bit 4CPU2915+12
−12
(−31)53.5 − 48.5
(+31−26=45)
52.5%
53.5 / 102
99.9%
−15
–   Toga II 1.4.1SE 4CPU2902+13
−13
(−44)29 − 21
(+18−10=22)
58.0%
29.0 / 50
100.0%
+4
–   Hiarcs 12.1 4CPU2902+15
−15
(−44)29.5 − 18.5
(+20−9=19)
61.5%
29.5 / 48
100.0%
+27
–   Bright 0.4a 4CPU2894+15
−15
(−52)26 − 22
(+14−10=24)
54.2%
26.0 / 48
100.0%
−25
–   Glaurung 2.2 64-bit 4CPU2894+16
−16
(−52)29.5 − 18.5
(+15−4=29)
61.5%
29.5 / 48
100.0%
+13
–   Hiarcs 12 4CPU2891+15
−15
(−55)29 − 19
(+22−12=14)
60.4%
29.0 / 48
100.0%
+17
–   Hiarcs Paderborn 2007 4CPU2888+19
−19
(−58)32 − 16
(+23−7=18)
66.7%
32.0 / 48
100.0%
+50
–   Loop M1-T 64-bit 4CPU2847+12
−12
(−99)34.5 − 15.5
(+24−5=21)
69.0%
34.5 / 50
100.0%
+20
–   Onno 1.0 64-bit2817+17
−17
(−129)25 − 7
(+19−1=12)
78.1%
25.0 / 32
100.0%
+58
–   Crafty 23.0 64-bit 4CPU2757+18
−18
(−189)40 − 8
(+33−1=14)
83.3%
40.0 / 48
100.0%
+52
–   Spike 1.2 Turin2744+7
−7
(−202)40.5 − 9.5
(+33−2=15)
81.0%
40.5 / 50
100.0%
+18
–   Scorpio 2.0 32-bit 4CPU2730+24
−24
(−216)36.5 − 11.5
(+28−3=17)
76.0%
36.5 / 48
100.0%
−40

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