CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Engine Details

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Stockfish 1.5.1 64-bit 4CPU (2969+25
−25		)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 104 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Naum 4 64-bit 4CPU3042+16
−16		(+73)15.5 − 18.5
(+7−10=17)
45.6%
15.5 / 34
0.0%
+48
1 1 0 0 1 = 1 0 = = 0 = 0 = = = = 0 1 0 = = = 0 1 0 0 = 1 = = = = =
–   Deep Shredder 12 64-bit 4CPU3018+10
−10		(+49)18.5 − 31.5
(+6−19=25)
37.0%
18.5 / 50
0.0%
−29
0 = 0 = 0 0 = 1 = = = = 0 = 1 = = 0 0 1 0 1 1 = = 0 = 0 = 0 = 0 = = 0 = 0 = 0 = 0 = = 0 0 1 = = = 0
–   Rybka 2.2 64-bit 4CPU2975+20
−20		(+6)33.5 − 30.5
(+17−14=33)
52.3%
33.5 / 64
36.1%
+18
= = 1 0 = = 1 1 = 1 = 1 = 1 1 = 0 = 0 1 = = 0 = 0 = = = 0 = 0 = 1 = = = 0 1 = = 0 0 = = 1 0 = = = 0 1 1 0 = = = = 0 = 1 1 1 1 =
–   Zappa Mexico II 64-bit 4CPU2969+10
−10		(0)33 − 39
(+19−25=28)
45.8%
33.0 / 72
51.7%
−28
= 1 0 = = = 0 = 0 = 0 = = 1 0 = 0 = 0 1 = 1 = = 0 1 0 1 0 1 0 1 = = 1 0 0 0 0 1 = 1 0 1 0 = 1 = 0 = 0 1 0 1 = 0 1 = 0 = = = 0 = = 1 = = 1 0 0 1
–   Spark 0.3 64-bit 4CPU2928+23
−23		(−41)28.5 − 23.5
(+14−9=29)
54.8%
28.5 / 52
99.5%
−11
= = = = 0 1 = = = 1 1 0 = = 1 1 = = 0 0 = = = 1 1 1 = 1 = = = 0 1 = = 1 0 0 = = = = = 1 1 = 0 = 1 = = 0
–   Thinker 5.4c Inert 64-bit 4CPU2923+15
−15		(−46)33 − 22
(+20−9=26)
60.0%
33.0 / 55
99.9%
+14
1 0 = = 0 1 = 1 = 1 0 = 0 1 0 = = 1 = = 1 1 = 1 = = 1 = 0 = = 1 = = = = 0 1 = = 1 0 1 1 1 1 1 = = = = 1 1 = 0
–   Hiarcs 12.1 4CPU2904+15
−15		(−65)52.5 − 33.5
(+33−14=39)
61.0%
52.5 / 86
100.0%
+5
= 0 = 0 1 = = 0 0 0 1 0 1 1 1 0 = = 1 = 1 = 1 0 1 = 1 = 1 = 1 0 = 0 = = 1 = 1 0 1 = 1 1 = = 1 = = = 1 0 = = 1 = 1 = = 1 1 1 1 1 1 = 1 = = 1 1 1 0 0 = = 1 = = = = = 1 = = =
–   Hiarcs 12 4CPU2893+15
−15		(−76)24.5 − 14.5
(+15−5=19)
62.8%
24.5 / 39
100.0%
+2
1 = 1 1 = = = 0 1 = 1 1 = = = 1 0 1 = 1 = 1 = = = 1 = = = = 1 0 1 1 0 1 = = 0
–   Hiarcs Paderborn 2007 4CPU2890+19
−19		(−79)27 − 16
(+17−6=20)
62.8%
27.0 / 43
100.0%
0
1 0 = 1 = = 1 = = 1 1 = = 1 1 0 = = 0 = 1 0 = 1 = 1 = 1 = = 1 = 0 = 1 0 1 = 1 = 1 1 =
495 games: 148 wins, 111 losses, 236 draws (47.7%), score: 53.7%

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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019