CCRL 40/15
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 1'220'986 games
played by 2'799 programs

White wins: 419'408 (34.3%)
Black wins: 308'533 (25.3%)
Draws: 493'045 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 1.4 64-bit 4CPU (2947+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 122 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 3 64-bit 4CPU3118+13
−13		(+171)22 − 78
(+3−59=38)
22.0%
22.0 / 100
0.0%
−15
= 0 1 0 = 0 = 0 = = 0 0 = 0 0 0 0 = = 0 = 0 1 0 = 0 0 0 = = 0 0 = = = = 0 0 0 0 0 0 = = 0 0 0 0 0 = 0 0 0 = 0 = 0 = 0 = 0 0 0 0 0 0 0 = = = 0 0 0 = = = 0 = 0 = = 0 = 0 0 0 0 = 0 = 0 0 = = = 0 0 0 1 0
–   Naum 4 64-bit 4CPU3042+16
−16		(+95)15.5 − 32.5
(+5−22=21)
32.3%
15.5 / 48
0.0%
−15
= 1 0 0 = = 1 = = = = = 0 0 0 0 0 0 = = 0 0 1 = 0 0 0 = 0 = = = 0 0 = 0 = 0 1 0 0 = 0 = = 0 = 1
–   Cheng 4.39 64-bit 4CPU3009+15
−15		(+62)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
0.0%
+102
= 1 = 1 1 1 = 0 0 0
–   Fizbo 1.5 64-bit 4CPU2992+27
−27		(+45)3 − 7
(+0−4=6)		30.0%
3.0 / 10
0.3%
−66
0 = 0 0 = = = = = 0
–   Rybka 2.2 64-bit 4CPU2973+20
−19		(+26)57 − 66
(+28−37=58)
46.3%
57.0 / 123
1.7%
+3
= 0 1 = = 0 1 = 1 = 0 = = = 0 = = 0 = 1 = 0 = = = 0 0 1 1 = 1 = 0 = = 1 0 1 0 = 0 1 1 1 0 1 = 0 0 1 = 0 0 = = 0 = 1 = = 0 = = = = 1 = = 0 0 0 0 1 = 1 = 1 = = 1 0 = 0 = 0 = = 0 = 1 1 = 1 = 0 = = 1 0 1 = 0 1 0 0 = = = = = 0 = = = 0 0 0 1 1 = 0 = =
–   Zappa Mexico II 64-bit 4CPU2968+10
−10		(+21)23.5 − 38.5
(+12−27=23)
37.9%
23.5 / 62
1.6%
−53
= 1 0 = 0 1 0 = = = 0 = = = 0 0 = 0 0 1 = 0 = = 1 0 0 1 = 0 = 0 0 = = 0 0 1 0 1 1 = = 1 0 1 0 = 0 1 0 0 = 0 0 1 0 = = 0 = 0
–   Fizbo 1.4 64-bit 4CPU2931+28
−28		(−16)3 − 5
(+1−3=4)		37.5%
3.0 / 8
82.2%
−85
= 1 0 0 = 0 = =
–   Arasan 18.0 64-bit 4CPU2926+29
−29		(−21)10 − 10
(+6−6=8)		50.0%
10.0 / 20
89.3%
−21
0 0 1 = 0 1 = = 0 1 0 1 1 = = 1 0 = = =
–   Spark 0.3 64-bit 4CPU2926+23
−23		(−21)18 − 14
(+11−7=14)
56.3%
18.0 / 32
92.2%
+21
= 1 1 = = 1 = 1 0 0 = 1 = 1 0 0 0 1 = = = 0 1 1 = = = 1 0 1 = =
–   Deep Sjeng WC2008 64-bit 4CPU2925+12
−12		(−22)25.5 − 22.5
(+12−9=27)
53.1%
25.5 / 48
98.3%
−3
1 = 0 = = = 0 1 = 0 = = = 1 = = = = = 1 = = 0 = = 0 = 1 1 = 1 1 = 0 = 1 = 1 = = = 1 1 0 0 = 0 =
–   Thinker 5.4c Inert 64-bit 4CPU2922+15
−15		(−25)25.5 − 24.5
(+13−12=25)
51.0%
25.5 / 50
98.5%
−18
1 = = = = 1 = 0 = 1 = = 0 = = 0 = = = = 1 0 = 1 1 0 = 0 0 1 1 = 1 = 1 = = 1 0 = 0 0 1 0 1 = = = 0 =
–   Deep Shredder 11 64-bit 4CPU2916+12
−12		(−31)53.5 − 48.5
(+31−26=45)
52.5%
53.5 / 102
99.9%
−15
1 = = 0 1 = = = = = 0 = 0 = = 1 1 0 = 1 1 = 1 = 0 = = 1 1 1 = 1 = = 1 = 1 1 1 0 = 0 1 1 0 = 0 1 1 1 1 0 0 0 = 0 0 = 0 = = 0 = = = 1 0 = = = 0 = 1 1 0 0 = = = = 1 = = 0 = 0 1 0 = 0 1 0 1 1 1 = = = = = 1 0
–   Toga II 1.4.1SE 4CPU2903+13
−13		(−44)29 − 21
(+18−10=22)
58.0%
29.0 / 50
100.0%
+4
= 1 0 = 0 1 0 1 = = 0 1 1 = 0 0 = = 1 1 = 1 1 1 0 = = = 1 = 0 1 0 1 = 1 = = 1 = 0 1 = = = = 1 = = 1
–   Hiarcs 12.1 4CPU2903+15
−15		(−44)29.5 − 18.5
(+20−9=19)
61.5%
29.5 / 48
100.0%
+27
= = 1 1 1 = 0 1 1 = 1 = 1 = 1 = = 1 0 1 = 0 0 1 1 1 0 1 0 1 1 = = = = 1 = 1 = 1 0 = = = 0 1 0 =
–   Glaurung 2.2 64-bit 4CPU2895+16
−16		(−52)29.5 − 18.5
(+15−4=29)
61.5%
29.5 / 48
100.0%
+13
= = = = = = = 1 = = = 1 = 1 = = = 1 0 = = = = = = = 0 = = 1 1 1 1 1 = 1 = 1 = 1 = = 1 0 = 0 1 1
–   Bright 0.4a 4CPU2895+15
−15		(−52)26 − 22
(+14−10=24)
54.2%
26.0 / 48
100.0%
−25
= 0 = = 1 0 1 = 1 = = 0 1 0 1 = = = 0 0 = = = 1 = = 1 = 1 = 1 = = = 1 0 = = = 1 1 = 0 = 1 0 1 0
–   Hiarcs 12 4CPU2892+15
−15		(−55)29 − 19
(+22−12=14)
60.4%
29.0 / 48
100.0%
+17
0 = 0 0 1 = 0 = 1 0 1 0 = 0 1 1 1 1 = 1 1 0 = 1 1 1 = 1 1 0 1 0 = 0 1 = 1 = 0 = 1 1 1 = 1 1 = =
–   Hiarcs Paderborn 2007 4CPU2889+19
−19		(−58)32 − 16
(+23−7=18)
66.7%
32.0 / 48
100.0%
+50
0 1 1 = = = 0 1 = 0 = 1 = 1 0 1 = 1 1 1 1 1 = = 1 1 1 1 0 1 1 1 = = = 1 0 = = = 1 = 0 1 = 1 = 1
–   Loop M1-T 64-bit 4CPU2848+11
−12		(−99)34.5 − 15.5
(+24−5=21)
69.0%
34.5 / 50
100.0%
+20
= = = 0 = 0 1 1 1 = = = = 1 1 = = 1 1 1 = 1 = 1 1 1 1 = 1 = 1 1 = = 1 = 0 = = 1 1 = 0 0 1 1 1 1 = 1
–   Onno 1.0 64-bit2818+17
−17		(−129)25 − 7
(+19−1=12)
78.1%
25.0 / 32
100.0%
+58
1 1 = 1 1 1 1 1 = 1 = 1 = = 1 1 = 1 = = 0 1 1 = = = = 1 1 1 1 1
–   Crafty 23.0 64-bit 4CPU2758+18
−18		(−189)40 − 8
(+33−1=14)
83.3%
40.0 / 48
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 0 =
–   Spike 1.2 Turin2745+7
−7		(−202)40.5 − 9.5
(+33−2=15)
81.0%
40.5 / 50
100.0%
+18
= 1 1 1 1 = 1 1 1 1 1 1 1 = = 0 = 0 1 = 1 = = 1 1 = 1 = = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = = =
–   Scorpio 2.0 32-bit 4CPU2731+24
−24		(−216)36.5 − 11.5
(+28−3=17)
76.0%
36.5 / 48
100.0%
−40
1 1 1 1 0 1 1 = = 1 1 1 = 0 1 = 1 0 1 1 1 1 1 1 1 = 1 1 1 = = = = = 1 = = = 1 = 1 1 1 = = 1 = 1
1131 games: 375 wins, 279 losses, 477 draws (42.2%), score: 54.2%

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Created in 2005-2013 by CCRL team
Last games added on March 2, 2021