CCRL Blitz
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 2'464'260 games
played by 2'932 programs

White wins: 947'616 (38.5%)
Black wins: 759'359 (30.8%)
Draws: 757'285 (30.7%)
White score: 53.8%

Engine Details

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Stockfish 1.6s JA 64-bit 4CPU (3094+13
−13		)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 71 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 3 64-bit 4CPU3167+10
−10		(+73)42 − 58
(+25−41=34)
42.0%
42.0 / 100
0.0%
+19
1 0 0 = 1 0 1 0 = 0 0 = = = = 0 1 0 1 0 1 1 1 1 0 = 0 = = = 1 0 1 0 0 = 0 0 = 1 1 0 1 0 1 0 = 0 = = 1 0 1 0 1 = = 0 1 0 = 0 = = = 0 1 0 0 0 0 = = 0 0 0 1 1 = 1 1 1 = = 0 0 = = 0 0 0 0 = 0 = = = 0 = =
–   Stockfish 1.7.1 64-bit 4CPU3141+13
−13		(+47)29 − 37
(+9−17=40)
43.9%
29.0 / 66
0.0%
+15
0 0 1 = = = 0 = = = = = = = 0 = 1 1 1 0 0 = 1 = = = 0 = = = = = = = 0 0 = = 1 0 0 = = 0 = = 1 = = = = 0 = 1 1 = = = = 0 0 = 0 = = 0
–   Naum 4.2 64-bit 4CPU3099+8
−8		(+5)27 − 36
(+11−20=32)
42.9%
27.0 / 63
24.5%
−36
0 0 = = = 1 = 1 1 0 = 0 = 0 0 0 0 = = 0 0 = 0 1 = = = 0 = 1 = = 0 = = = 1 = = = 0 1 0 1 1 = = = = 0 0 = = 1 0 = 1 = 0 = 0 = =
–   Stockfish 1.6.3 64-bit 4CPU3090+13
−13		(−4)54.5 − 44.5
(+24−14=61)
55.1%
54.5 / 99
66.6%
+24
= = = = = = = 1 0 0 1 = = = 1 = 1 0 0 1 = = = = = = 1 = 1 = = 0 = = = 0 1 = = = = 0 = 1 0 1 = = = = = 1 = = 1 1 = = 1 = = 1 = = 0 = = 1 = 1 0 = = 0 1 = 0 = = = = = = 1 = = = 1 = = 1 0 = 1 1 0 1 = =
–   Naum 4.1 64-bit 4CPU3071+15
−15		(−23)25.5 − 24.5
(+16−15=19)
51.0%
25.5 / 50
99.1%
−17
0 1 = 0 1 0 = = 1 0 1 0 1 = 1 = 0 0 1 = = 0 = = = 0 1 1 0 = = = = = = 1 0 1 1 = 1 1 1 0 = 0 = 1 0 0
–   Naum 4 64-bit 4CPU3062+10
−10		(−32)61 − 39
(+41−19=40)
61.0%
61.0 / 100
100.0%
+38
1 = = 1 1 0 1 = = 1 0 0 = 1 = 1 0 1 1 1 0 1 0 = 1 = 0 1 0 1 1 = = = = = 0 = 1 0 0 1 = 1 0 1 = 1 = 1 = 1 = 1 = = = 1 = = 1 1 = = 1 1 = 1 0 1 1 1 1 = 1 = 1 = = 1 1 1 = = = 0 = = 0 1 0 = 1 1 0 0 = = = 0
–   Deep Shredder 12 64-bit 4CPU3042+7
−7		(−52)119 − 81
(+66−28=106)
59.5%
119.0 / 200
100.0%
+3
= = = 1 1 = 0 1 1 = = = 1 1 = = = 1 = = = 0 = 1 = 1 0 1 = 0 = 1 1 1 = = 1 = = 0 = 1 1 0 1 = 0 0 = 0 = = = = = 1 1 = = = 1 = 1 = = 1 1 0 = = = = 0 = 1 = = = = = 1 1 0 = = = 1 = 1 1 1 = = = 0 = 1 1 1 = = = 0 0 0 = = = 0 = = 1 1 = = 0 1 1 = 1 1 = = 1 = 1 = 1 = 1 1 1 0 0 1 = 1 1 0 = = 0 = 1 = 1 0 = = = = 0 1 = 0 = = 1 = = 1 = = 0 1 = 1 = = = = = = = 1 1 = = = = 1 1 = = = = 1 = 1 = = 1 1 = 1 0 1 = 1 0
–   Rybka 2.2 64-bit 4CPU3003+12
−12		(−91)57.5 − 41.5
(+38−22=39)
58.1%
57.5 / 99
100.0%
−38
= 0 1 1 0 1 = 0 0 1 1 1 1 0 0 1 = = 0 = = = = 0 1 0 = = 1 = = 1 = 0 1 0 = = 0 = 0 = 1 = = 1 = 0 1 = 0 = 1 = 1 = 0 1 = 0 0 1 1 1 1 = 1 = 1 1 = = 1 = = 1 1 1 1 = = = 1 0 = 1 0 = = 0 1 1 1 0 = = 1 1 1
–   Spark 0.4 64-bit 4CPU2989+14
−14		(−105)45 − 18
(+31−4=28)
71.4%
45.0 / 63
100.0%
+29
1 = = = = 1 = = 1 1 1 0 = 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 =
–   Zappa Mexico II 64-bit 4CPU2973+7
−7		(−121)69.5 − 30.5
(+54−15=31)
69.5%
69.5 / 100
100.0%
+13
1 = 1 1 = 1 1 1 1 = 1 0 1 1 1 1 1 1 0 0 1 = = = = = 0 0 1 = = 0 1 1 1 1 1 = 1 0 = 1 = 0 1 1 1 1 1 0 1 1 1 = = 0 = = 1 = 0 = 1 0 1 1 1 = 1 = 1 1 1 = 1 1 1 = 1 1 = 0 1 = = 1 1 0 1 1 = = 1 1 1 = = = 0 1
–   Spark 0.3 64-bit 4CPU2970+12
−12		(−124)76.5 − 22.5
(+59−5=35)
77.3%
76.5 / 99
100.0%
+61
= 1 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 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 1 = 1 1 = 1
–   Spark 0.3a 64-bit 4CPU2963+18
−17		(−131)33.5 − 16.5
(+24−7=19)
67.0%
33.5 / 50
100.0%
−20
1 = 0 1 1 = 1 0 = 1 1 = = 1 1 = 1 0 1 = = 0 = = 1 = 0 1 = = 1 1 = 1 1 0 1 = = 1 1 1 = 1 1 = = 0 1 1
–   Thinker 5.4c Inert 64-bit 4CPU2954+8
−8		(−140)70.5 − 29.5
(+54−13=33)
70.5%
70.5 / 100
100.0%
−2
1 1 1 = = 1 1 1 = 0 1 1 = = 1 1 = = 1 1 = 1 0 1 0 = 1 1 = = 0 = 1 = = = 1 1 1 = 1 1 = 1 1 0 = = 0 1 1 1 = = = 1 1 1 1 0 1 1 0 = 1 = 0 1 0 1 1 1 1 1 1 1 = = 1 1 1 = 1 1 1 = 0 1 = = 1 = 0 1 1 1 = 0 = 1
–   Zappa Mexico 64-bit 4CPU2946+8
−8		(−148)69.5 − 29.5
(+50−10=39)
70.2%
69.5 / 99
100.0%
−17
= 1 = = = = = = 1 0 0 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 = 0 1 1 1 1 1 1 1 = 0 0 = 1 = 0 1 = 1 1 = 1 1 1 1 = 0 = 1 = = 0 1 1 = = 1 = 1 = =
–   Deep Junior 11.1a 64-bit 4CPU2943+14
−14		(−151)36 − 14
(+27−5=18)
72.0%
36.0 / 50
100.0%
−6
1 = = 1 1 0 1 1 1 = = 1 1 1 1 1 = 1 1 0 1 1 = 1 0 1 1 0 = 0 1 = 1 = = = = 1 = 1 1 = 1 1 = 1 = = 1 =
–   Hiarcs 12 4CPU2942+9
−9		(−152)74.5 − 25.5
(+57−8=35)
74.5%
74.5 / 100
100.0%
+14
1 = 0 = 1 1 1 1 = 1 = 1 = 1 1 1 1 1 1 1 = = = 1 = 1 0 = 0 1 = 1 1 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 1 1 0 1 1 = 1 0 = 1 = = = 1 = 1 1 = = 1 = 1 0 1 = 1 1 1 = =
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8		(−153)74 − 26
(+56−8=36)
74.0%
74.0 / 100
100.0%
+7
1 1 = 1 1 = 1 = = 1 1 = 1 1 1 1 0 = = = 1 = = = = = 1 0 = 1 = 1 1 = 1 1 = = 1 = 1 1 1 1 1 0 1 = 1 0 1 = 1 1 = 0 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 0 1 = = = = 1 1 1
–   Hiarcs 12.1 4CPU2940+10
−10		(−154)68 − 32
(+50−14=36)
68.0%
68.0 / 100
100.0%
−35
1 = 1 1 = 1 1 = 1 1 1 = 1 = = = 1 0 1 = = 1 1 = = 1 1 0 1 1 = 1 1 = 1 = 0 1 1 0 1 1 1 0 1 1 = = 1 1 1 = = = = 0 1 0 = = 1 0 = 1 1 1 1 1 1 = 1 0 = = 1 1 1 1 1 0 = = = 0 = 1 1 0 0 1 = = 1 0 = = 1 = 1 =
–   Komodo 1.0 64-bit2933+12
−11		(−161)72 − 28
(+53−9=38)
72.0%
72.0 / 100
100.0%
−17
1 0 = = 1 = 1 = = 1 = 0 1 1 = = 1 0 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 0 = = 1 1 1 = 1 = 1 1 1 = = 1 = = 1 0 1 1 1 = 1 1 1 = = = 1 0 1 1 0 0 1 1 = = 1 1 = =
–   Bright 0.4a 4CPU2911+11
−11		(−183)72.5 − 26.5
(+60−14=25)
73.2%
72.5 / 99
100.0%
−15
0 1 1 1 1 = = = 0 = 1 1 = 0 1 1 1 1 = 1 0 1 0 1 1 = 0 1 = 1 = 1 1 1 0 0 0 1 0 1 1 1 = 1 = 1 1 = 1 1 0 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 1 0 0 1 1
–   Toga II 1.4 beta5c 4CPU2905+9
−9		(−189)74.5 − 25.5
(+57−8=35)
74.5%
74.5 / 100
100.0%
−22
1 1 1 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 0 1 0 1 = 1 1 1 = = 1 = = 0 = 1 = = 1 1 1 0 1 0 1 1 1 1 = 1 = = = 1 = 1 = = 0 1 = 1 1 1 1 1 =
–   Bright 0.5c 4CPU2904+13
−14		(−190)35.5 − 13.5
(+26−4=19)
72.4%
35.5 / 49
100.0%
−42
1 1 = = 1 = 1 1 0 1 = 1 0 1 = 1 = = 1 1 = = 1 = 1 1 = 1 1 = 0 1 = = 1 = = = 1 1 1 = 1 = 1 1 1 0 1
–   Loop M1-T 64-bit 4CPU2882+8
−8		(−212)79 − 20
(+66−7=26)
79.8%
79.0 / 99
100.0%
+6
= 1 = 1 1 = 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 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 1 1 0 1 1 = 1 0 = = 1 1 1 1 1 = 1 1 1 1 1 = = = 1 1 1
–   Spike 1.2 Turin2731+6
−6		(−363)89.5 − 10.5
(+80−1=19)
89.5%
89.5 / 100
100.0%
−36
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 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 1 1 = 1 = 1 1 1 = 1 1 1 1 1 =
2185 games: 1034 wins, 308 losses, 843 draws (38.6%), score: 66.6%

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Created in 2005-2013 by CCRL team
Last games added on February 20, 2021