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 1.6.3 64-bit (2986+15
−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-bit3078+9
−9		(+92)21.5 − 44.5
(+9−32=25)
32.6%
21.5 / 66
0.0%
−22
0 0 = 0 0 0 0 0 = = 0 0 = 0 1 0 0 = 0 = 1 0 = = 0 = 0 1 = 0 0 0 = 0 1 1 0 1 = = 0 = = 0 = 0 = 1 = 0 = 0 = 0 = = 0 0 = 0 0 = 1 = 1 0
–   Stockfish 1.7.1 64-bit3045+14
−14		(+59)12.5 − 19.5
(+3−10=19)
39.1%
12.5 / 32
0.0%
−2
= 0 0 1 = = 0 = = 0 = 0 0 = = = = = = 0 = 1 0 0 = = 0 = = = 1 =
–   Naum 4.2 64-bit2988+8
−8		(+2)24 − 26
(+11−13=26)
48.0%
24.0 / 50
41.6%
−8
= = 1 = = = = = 1 = = = 1 1 = 1 = = = = 0 = 1 1 1 0 0 0 = = = 0 1 = 1 0 = 0 1 = = 0 0 0 0 = 0 0 = =
–   Stockfish 1.6s JA 64-bit2980+15
−15		(−6)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
70.6%
−73
= = = 0
–   Naum 4.1 64-bit2956+17
−17		(−30)21 − 19
(+14−12=14)
52.5%
21.0 / 40
99.7%
−11
0 0 0 1 1 = = = = 1 = 1 1 1 0 0 = 0 1 1 0 0 1 1 0 0 0 = = = = 1 = = 1 1 = 1 0 =
–   Deep Shredder 12 64-bit2955+8
−8		(−31)36.5 − 26.5
(+22−12=29)
57.9%
36.5 / 63
100.0%
+19
= 1 = = = 0 1 0 = = = 1 1 1 1 0 = = = 1 = 1 1 = = 1 = 0 0 1 0 = 1 1 = = = 0 = = 1 = 1 0 = 1 = 0 = 1 = = = 0 1 0 = 1 1 1 1 = 0
–   Naum 4 64-bit2948+13
−13		(−38)35 − 31
(+24−20=22)
53.0%
35.0 / 66
100.0%
−18
= = 0 0 1 = 1 1 0 1 = = 1 = = 1 0 = 1 = 0 1 0 = 1 1 1 1 0 1 1 0 1 = 0 = = 1 0 0 = 0 = 1 1 = = 0 0 1 1 = 0 1 0 0 = 0 0 = 1 1 = 0 = 1
–   Rybka 2.2 64-bit2937+18
−18		(−49)18 − 14
(+10−6=16)
56.3%
18.0 / 32
100.0%
−13
1 1 = = 1 = = 0 = = = = 1 = 1 0 1 0 = 0 = 1 0 = 1 0 = = = 1 = 1
–   Komodo 1.0 64-bit2933+12
−11		(−53)31.5 − 16.5
(+23−8=17)
65.6%
31.5 / 48
100.0%
+49
0 = = 1 1 1 = 1 = 1 1 = 1 1 1 1 0 = 1 1 1 1 1 0 1 1 = = = = 0 = = = 1 0 = = 1 0 1 1 1 = 0 1 = 0
–   Fritz 122909+13
−13		(−77)43.5 − 22.5
(+31−10=25)
65.9%
43.5 / 66
100.0%
+26
= = 1 = = 1 1 = 1 1 1 1 1 0 = 0 1 0 1 1 1 = 1 1 1 = = = 1 1 1 1 1 = 1 = 1 0 0 0 = = 1 = = 1 1 = = 0 1 0 = 1 1 = 1 = = 1 = = = 1 0 0
–   Doch 1.3.4 64-bit2894+19
−19		(−92)21.5 − 18.5
(+13−10=17)
53.8%
21.5 / 40
100.0%
−65
1 1 = 1 1 1 = = = 1 = = 0 0 0 1 = 1 0 1 = 0 = 0 = = = 0 = 0 0 1 = 1 1 1 = = 0 =
–   Fritz 112889+9
−9		(−97)41 − 25
(+28−12=26)
62.1%
41.0 / 66
100.0%
−19
= 1 = = 0 1 = 1 0 1 1 1 1 1 1 1 = = 1 0 1 = = 1 1 = 1 = 1 1 = 1 0 = 0 0 1 1 = 0 = = = = = 0 1 0 0 1 = = = 1 = 0 1 0 = = = 1 1 1 1 =
–   Thinker 5.4d Inert 64-bit2885+8
−8		(−101)41 − 17
(+31−7=20)
70.7%
41.0 / 58
100.0%
+38
1 = 1 1 1 0 1 = 1 0 1 1 1 1 1 1 1 1 1 0 = 1 0 0 = 1 = = 1 = 1 = 1 = = 1 0 = 1 1 = 1 = 1 = 1 = = 0 = = 1 1 1 = 1 1 =
–   Thinker 5.4c Inert 64-bit2883+9
−9		(−103)37.5 − 20.5
(+27−10=21)
64.7%
37.5 / 58
100.0%
−5
0 1 = 1 0 1 1 1 1 1 1 = = = 0 = 1 1 1 = 1 = = 1 1 0 1 = = 1 = 1 0 1 0 = = 1 0 1 = 1 1 = 0 = = = = = = 1 1 1 1 1 0 0
–   Spark 0.4 64-bit2882+11
−11		(−104)31.5 − 18.5
(+18−5=27)
63.0%
31.5 / 50
100.0%
−28
1 1 = = = 1 = 1 = = = 1 1 0 = = = 1 1 1 0 = = = = 1 1 = = = = = 0 = 0 1 = 1 = 1 = = = 1 1 = 1 1 0 =
–   Doch 1.2 64-bit2866+19
−19		(−120)33 − 17
(+24−8=18)
66.0%
33.0 / 50
100.0%
−14
= = 1 1 = = 1 = 1 1 1 = 1 1 = = = 0 1 = 0 1 1 1 1 0 0 = 1 0 1 0 = 1 = = 1 1 = 1 1 1 = = 1 = 1 1 0 0
–   Zappa Mexico II 64-bit2846+7
−6		(−140)50 − 16
(+38−4=24)
75.8%
50.0 / 66
100.0%
+30
= = 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 1 1 1 1 1 1 = 1 0 1 = = = 1 = 1 = 0 = 1 =
–   Spark 0.3 64-bit2844+10
−10		(−142)78 − 28
(+59−9=38)
73.6%
78.0 / 106
100.0%
+14
1 1 1 1 = = = = = 1 = 1 1 = = 1 = 1 0 1 1 1 1 = 1 0 1 = = = 1 = = 1 0 = 1 1 = 0 = 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 = 1 = 1 1 1 = 0 1 = = = = = 1 1 1 1 = = 1 1 1 0 1 = 1 = 1
–   Deep Sjeng WC2008 64-bit2843+10
−10		(−143)44 − 14
(+36−6=16)
75.9%
44.0 / 58
100.0%
+41
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 1 = 1 1 1 = 1 1 1 = = 0 1 0 = 1 = 0 1 1 1 1 1
–   Deep Junior 11.1a 64-bit2841+13
−14		(−145)45.5 − 19.5
(+36−10=19)
70.0%
45.5 / 65
100.0%
−2
= 1 1 1 1 1 = = = 1 1 1 1 1 1 = = 1 1 1 1 = 0 0 1 1 = 0 = 1 1 1 1 0 0 1 1 1 1 = = 1 0 = 0 = 0 1 = = 0 = 1 = 0 = 1 1 1 1 1 = 1 1 1
–   Deep Sjeng 3.0 64-bit2838+10
−11		(−148)37.5 − 21.5
(+27−11=21)
63.6%
37.5 / 59
100.0%
−57
= 1 1 1 1 0 = 1 1 = = 1 1 1 1 1 1 = = = 1 0 1 0 = 1 1 1 1 1 1 0 1 0 1 0 0 = 1 1 = = = = = 0 1 = 0 0 1 = = 1 = 0 = = =
–   Onno 1.1.1 64-bit2838+12
−11		(−148)40 − 18
(+27−5=26)
69.0%
40.0 / 58
100.0%
−29
1 = 1 1 0 1 = = = 1 1 = = = 0 = 1 1 = 1 = = = 1 = 1 = 1 0 = 1 1 1 1 = 1 = = = 1 = 1 0 1 1 0 = = = 1 = 1 1 = 1 1 1 =
–   Hiarcs 122835+10
−11		(−151)46.5 − 10.5
(+41−5=11)
81.6%
46.5 / 57
100.0%
+96
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 0 1 0 1 1 = = 1 1 0 1 1 = 1 0 1 1 = 1 = 1 1 1 1 1 1
–   Hiarcs 12.12834+13
−13		(−152)39 − 19
(+28−8=22)
67.2%
39.0 / 58
100.0%
−39
0 1 1 0 1 1 0 1 0 1 = = 0 1 1 = 1 1 = 1 1 1 = 1 1 = 0 1 = 0 1 = 1 1 = = = 1 1 = 1 = = = 1 = = 1 = 1 = 0 1 = 1 = 1 =
–   Hannibal 05_20_10 64-bit2825+26
−26		(−161)37.5 − 12.5
(+32−7=11)
75.0%
37.5 / 50
100.0%
+24
1 = 1 1 1 1 1 1 = 1 0 1 1 = 1 1 1 1 1 0 0 1 1 = 1 0 1 1 1 1 1 1 1 1 = = 1 = 0 1 = = 0 0 1 1 = 1 1 =
–   Ktulu 92781+8
−7		(−205)40 − 9
(+35−4=10)
81.6%
40.0 / 49
100.0%
+38
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 = 0 = 1 0 1 1 1 1 0 1 1 1 = = 1
–   Bright 0.4a2780+10
−10		(−206)37 − 13
(+28−4=18)
74.0%
37.0 / 50
100.0%
−46
1 = 1 = = 1 = 0 1 1 1 = 1 1 1 = = = 1 1 1 1 1 = = 0 1 = 1 = 1 1 1 1 1 1 = 1 = 1 = 1 0 = 1 1 1 0 = =
–   Bright 0.5c2772+7
−8		(−214)26 − 6
(+21−1=10)
81.3%
26.0 / 32
100.0%
+3
1 = 1 1 1 = = = 1 1 1 1 = 1 1 1 1 = 1 0 1 = 1 = 1 = 1 1 1 = 1 1
–   Twisted Logic 20090922 64-bit2771+7
−7		(−215)41.5 − 8.5
(+35−2=13)
83.0%
41.5 / 50
100.0%
+29
= 1 = 1 1 1 1 1 = 1 1 1 1 1 0 1 1 1 1 1 1 = 1 1 1 1 = = = = = = 1 1 1 = 1 = 0 1 1 1 = 1 1 1 1 1 1 1
–   Twisted Logic 20100131x 64-bit2768+10
−10		(−218)45 − 12
(+35−2=20)
78.9%
45.0 / 57
100.0%
−21
1 1 = = 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 0 1 1 = 1 = 1 1 1 = 1 1
–   SmarThink 1.20 64-bit2748+10
−10		(−238)36.5 − 12.5
(+28−4=17)
74.5%
36.5 / 49
100.0%
−74
1 = 1 1 = 0 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 =
–   Spike 1.2 Turin2731+6
−6		(−255)41.5 − 8.5
(+35−2=13)
83.0%
41.5 / 50
100.0%
−9
= 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 1 1 = 1 1 0 1 1 = 1 1
–   Chess Tiger 2007.12713+7
−7		(−273)31 − 0
(+31−0=0)
100.0%
31.0 / 31
100.0%
+INF
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
1734 games: 860 wins, 260 losses, 614 draws (35.4%), score: 67.3%

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