CCRL Blitz
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 2'478'353 games
played by 2'951 programs

White wins: 953'046 (38.5%)
Black wins: 763'412 (30.8%)
Draws: 761'895 (30.7%)
White score: 53.8%

Engine Details

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Stockfish 1.5.1 64-bit 4CPU (3029+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 72 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 3 64-bit 4CPU3167+10
−10		(+138)29.5 − 70.5
(+11−52=37)
29.5%
29.5 / 100
0.0%
+2
0 0 0 0 1 0 0 = = 0 = = 0 = = = = 0 1 0 = = = 0 0 = = 0 0 1 0 0 1 0 = = 0 = 1 0 = 0 = 0 0 = 0 0 = 0 = 0 = 0 = = 1 0 0 0 = 0 0 0 = = 0 0 1 = = 0 0 0 0 = 0 0 = = = 0 = 0 1 0 0 0 1 0 = 0 0 1 0 = = 1 0 0
–   Pedone 1.6 64-bit 4CPU3115+18
−18		(+86)15 − 37
(+6−28=18)
28.8%
15.0 / 52
0.0%
−55
= = = 0 0 1 1 = 0 0 = = 0 = 0 0 0 0 0 = 0 = 0 0 0 1 0 0 = = = = 0 = = 0 0 = 0 0 = 1 1 1 0 0 0 0 = 0 0 0
–   Naum 4 64-bit 4CPU3062+10
−10		(+33)44.5 − 55.5
(+18−29=53)
44.5%
44.5 / 100
0.0%
0
0 = 1 0 0 1 0 = = = 0 = = = 0 1 0 = = = 0 = 0 = = = = 0 0 0 0 = = = = = = = 0 = 0 1 = = = 1 0 = 0 1 0 = 1 = = 1 1 = 1 = 0 0 = 1 = 1 0 1 0 = = 1 0 = = = 1 = 1 = = 0 = = 1 = = 0 = = 0 0 = = 0 = = = 0 1
–   Deep Shredder 12 64-bit 4CPU3042+7
−7		(+13)106.5 − 92.5
(+70−56=73)
53.5%
106.5 / 199
4.6%
+36
0 1 0 0 = = = = = = 0 0 1 = 0 1 1 1 0 0 = = = 0 1 0 1 1 1 0 = 1 1 = = 0 = 0 = 1 = 1 = 1 0 0 1 1 1 1 0 = = 1 = 0 0 1 0 1 = 1 0 = 1 0 0 1 1 0 0 1 0 1 = 1 = 1 0 = 1 = = = = = 1 1 = = = 1 1 = 0 0 0 0 0 1 = 0 1 1 = 0 = 0 1 1 0 = 1 1 0 = = 0 = = = = 0 = = = = 1 1 1 = 1 1 1 1 = 1 = 1 0 1 0 0 = = = = = 1 = = 1 1 = = 0 0 0 0 = 1 0 0 1 0 = = 1 1 = 0 1 1 1 = = 0 = 0 1 1 1 0 1 1 0 = 1 1 = 0 = = 0 = 0 1 1 =
–   Rybka 2.2 64-bit 4CPU3003+12
−12		(−26)54 − 46
(+35−27=38)
54.0%
54.0 / 100
99.8%
0
= = 1 = 1 1 0 = = 1 = 1 = 0 0 0 0 0 0 0 = 1 0 0 = 1 = = 0 1 1 1 = 1 = = 1 1 0 0 0 = 1 = 0 1 1 1 = 1 0 = 0 = = 1 0 = 1 1 = 0 = 1 1 1 0 = 0 1 0 1 = 1 1 0 = = 1 = = = = = = = 0 1 1 1 = = 1 = 1 = 0 0 0 1
–   Zappa Mexico II 64-bit 4CPU2973+7
−7		(−56)60 − 40
(+31−11=58)
60.0%
60.0 / 100
100.0%
0
= 1 = 1 1 1 0 = 1 0 = 0 = = = 1 = = = 1 = = 1 = = = = = = = 1 = 1 0 0 = = = 1 = 1 = = 0 = = 1 = 0 = = = 1 = = = 1 1 = = = 1 = = = 0 = 0 1 1 = 0 1 = 1 = 1 0 = = 1 1 = = = 1 1 = = 1 = = 1 1 1 = 1 = = =
–   Spark 0.3 64-bit 4CPU2970+12
−12		(−59)59 − 41
(+37−19=44)
59.0%
59.0 / 100
100.0%
−1
1 1 = 0 1 1 1 0 = = = 1 = 1 = 0 1 = 1 = 1 = 0 1 1 0 1 1 0 = = = 0 = = 1 1 = 0 1 1 1 = = 1 = 1 = 1 0 = = = = 0 = = 1 1 = 0 1 1 = = = 1 1 = = 1 = 0 = 1 0 0 = = = = = 1 = 1 = 0 1 1 = 0 0 = = 1 1 = 0 1 0
–   Thinker 5.4c Inert 64-bit 4CPU2954+8
−8		(−75)63.5 − 36.5
(+44−17=39)
63.5%
63.5 / 100
100.0%
+12
= 0 0 1 = = 1 1 = 0 1 0 1 = = = 0 = 1 1 1 0 1 = 0 1 0 = 1 = = 1 = = = = 0 1 1 1 = 1 1 = = 1 = 1 = 1 1 = = = 1 = 0 = = 1 = 1 = 1 = 1 = = = 1 1 0 = 0 1 1 1 1 = = = 1 0 0 0 1 1 1 1 1 0 1 1 1 = 1 0 = 1 1
–   Zappa Mexico 64-bit 4CPU2946+8
−8		(−83)57 − 43
(+37−23=40)
57.0%
57.0 / 100
100.0%
−38
1 = 0 1 0 1 = 0 = 0 = 1 = 1 0 = 1 1 = 1 = = 0 1 0 = 1 1 0 1 0 0 1 0 = 1 0 1 1 = = 1 = = = = = 1 0 1 = = 1 = 0 = 1 = 1 1 0 = 0 1 = = 1 1 = = = 1 0 = = 1 = = 1 1 = = 0 = = 1 0 = 0 0 = 1 1 = 0 1 1 1 0 1
–   Hiarcs 12 4CPU2942+9
−9		(−87)56.5 − 42.5
(+36−22=41)
57.1%
56.5 / 99
100.0%
−42
= 1 0 0 1 = = 1 = 1 1 = 0 1 = = = 0 = 1 0 = = 1 1 1 1 1 = 0 0 1 1 = 1 = = = 1 = 0 0 = 1 1 0 = 0 1 0 = 0 = 1 = = 1 = = 1 = 0 1 0 0 = = = 1 0 = 1 = = = 1 0 0 0 1 1 = 1 = 1 = 1 1 1 = 1 = 0 1 1 0 = = =
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8		(−88)59 − 41
(+41−23=36)
59.0%
59.0 / 100
100.0%
−29
1 1 1 = 1 1 0 0 = 1 1 1 1 = 1 1 = 0 1 = 1 0 = 1 = = = = 1 1 1 = 0 = = 1 1 1 1 1 1 0 = = 1 0 1 0 1 0 = = 1 0 1 = 1 0 1 0 1 = = 0 = = = = 1 = 1 0 1 = = 0 = = = = 0 0 0 0 = 1 1 0 1 0 = 0 = = 1 = 1 1 0 1
–   Hiarcs 12.1 4CPU2940+10
−10		(−89)69.5 − 30.5
(+54−15=31)
69.5%
69.5 / 100
100.0%
+44
1 0 1 0 1 0 1 1 1 1 = = 0 0 1 = = 1 = 0 1 = 1 1 = 1 = 1 = = 1 1 = 1 1 0 1 = 1 1 1 1 0 1 = = 1 = 1 0 1 1 1 = 1 1 0 1 = = 1 0 = = = = = = 0 0 = 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 = 1 1 0 1 = 1 1 1 = 1 = 0
–   Bright 0.4a 4CPU2911+11
−11		(−118)63.5 − 36.5
(+42−15=43)
63.5%
63.5 / 100
100.0%
−33
= 1 1 1 = 1 1 = 1 1 1 1 = 1 = 1 = = = = 1 1 0 = = 0 = = = 1 1 1 = 1 1 = = 1 = 1 = = 0 1 0 = = = = = 1 1 1 = = 1 = 1 = = 0 = 1 = 0 = 0 = 1 1 = 1 0 1 0 1 0 = 1 = 0 = 0 1 0 1 1 0 = = = 1 1 1 = 1 = 1 0 1
–   Toga II 1.4 beta5c 4CPU2905+9
−9		(−124)76 − 24
(+61−9=30)
76.0%
76.0 / 100
100.0%
+58
1 1 1 1 1 = 1 1 1 = 1 1 1 1 = 1 1 = = = = 1 0 1 1 = = 1 1 1 1 0 1 = 1 = 1 = = 1 = 1 1 = 1 0 1 1 1 1 = 1 = = 1 = 1 = 1 1 = 0 = 0 1 1 = = 1 = 1 1 1 1 1 = 1 1 1 0 1 1 1 1 0 1 1 0 1 0 1 1 1 1 = 1 = = 1 =
–   Loop M1-T 64-bit 4CPU2882+8
−8		(−147)75 − 24
(+62−11=26)
75.8%
75.0 / 99
100.0%
+39
1 1 1 1 0 1 = = = 1 1 1 0 1 1 = 1 = 1 1 1 = 0 1 = 1 1 = 1 1 1 1 0 1 1 1 1 1 1 1 1 1 = 1 1 = 1 1 = 1 1 1 = 0 = 1 1 1 = 1 1 1 = 1 0 = 1 1 1 1 = 1 1 0 = = 1 1 1 0 1 1 = 1 0 1 1 = = = = = 1 0 1 1 0 = 1
–   Spike 1.2 Turin2731+6
−6		(−298)83.5 − 16.5
(+69−2=29)
83.5%
83.5 / 100
100.0%
−54
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 = 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 = 1 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 1 = 1 1 1 = 1 1
1649 games: 654 wins, 359 losses, 636 draws (38.6%), score: 58.9%

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Created in 2005-2013 by CCRL team
Last games added on March 6, 2021