CCRL Blitz
Downloads and Statistics
April 3, 2021
Testing summary:
Total: 2'499'706 games
played by 2'971 programs

White wins: 961'103 (38.4%)
Black wins: 769'736 (30.8%)
Draws: 768'867 (30.8%)
White score: 53.8%

Engine Details

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Stockfish 1.9.1 64-bit (3054+20
−20		)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
–   Houdini 1.5a 64-bit3170+12
−11		(+116)8 − 24
(+3−19=10)
25.0%
8.0 / 32
0.0%
−56
= = 0 0 0 = 0 0 0 1 = 1 0 = 0 0 0 0 0 = = 1 0 = 0 = 0 0 0 0 = 0
–   Rybka 4 64-bit3102+13
−13		(+48)12 − 18
(+7−13=10)
40.0%
12.0 / 30
0.0%
−14
0 0 1 = 0 1 0 = 0 1 = 0 0 = 1 = 0 0 0 = 1 0 = = 1 = = 1 0 0
–   Critter 0.90 64-bit3049+16
−16		(−5)14.5 − 17.5
(+6−9=17)
45.3%
14.5 / 32
65.3%
−32
= = 0 1 0 = 0 = = = = = 0 0 = 1 = = = 1 0 = 1 1 = = 0 = = 1 0 0
–   Komodo 1.3 64-bit2993+12
−12		(−61)18 − 13
(+9−4=18)
58.1%
18.0 / 31
100.0%
−14
1 1 = 1 1 = = = 0 = 0 = 1 = = = = 1 1 = = = 1 = = 1 0 = 0 = =
–   Critter 0.80 64-bit2990+21
−20		(−64)18.5 − 11.5
(+12−5=13)
61.7%
18.5 / 30
100.0%
+6
1 = 1 1 1 = 1 0 = = = 1 = 0 1 0 0 1 1 = = 0 = 1 = 1 = = = 1
–   Naum 4.2 64-bit2987+8
−8		(−67)15.5 − 13.5
(+9−7=13)		53.4%
15.5 / 29
100.0%
−44
= 0 = 1 0 1 = = 1 = = = 1 0 0 = 1 1 = = 0 1 = 0 1 = 1 = 0
–   Rybka 2.3.2a 64-bit2977+8
−8		(−77)19.5 − 10.5
(+10−1=19)
65.0%
19.5 / 30
100.0%
+5
1 1 1 1 = = 1 = 1 = 1 0 = = = = 1 = = = = = = 1 = = = 1 = =
–   Komodo 1.2 64-bit2966+12
−12		(−88)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
+54
1 1 1 = = = 1 = = 1 = 1 = 1 1 1 = = 1 = 1 1 1 = = 0 1 1 = =
–   Deep Shredder 12 64-bit2955+8
−8		(−99)18.5 − 12.5
(+11−5=15)
59.7%
18.5 / 31
100.0%
−38
1 = 1 1 = = = 1 0 = = = 0 0 = 0 = = 1 = 1 = 0 1 1 = = 1 1 = 1
–   Gull 1.0a 64-bit2938+12
−12		(−116)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+64
= 1 1 1 1 0 1 1 1 1 1 1 = = 1 1 = 1 = = = 1 1 0 1 1 1 = = =
–   Hiarcs 13.22933+15
−15		(−121)43 − 19
(+31−7=24)
69.4%
43.0 / 62
100.0%
+4
1 0 1 = = 1 0 1 1 0 = 1 = = 1 = 0 1 = = 0 = 1 = = 1 = 1 = = 1 1 1 = 0 = = 1 1 = = 1 1 1 1 1 1 = 1 1 = = 1 1 0 1 1 1 1 1 = =
–   Thinker 5.4c Inert 64-bit2883+9
−9		(−171)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+46
= 1 1 1 = = 1 1 1 1 = = 1 1 0 1 1 = 1 0 1 1 = 1 1 1 = 1 1 1
–   Spark 0.4 64-bit2882+11
−11		(−172)24.5 − 5.5
(+20−1=9)
81.7%
24.5 / 30
100.0%
+56
1 1 1 0 1 1 1 = 1 = 1 1 1 1 1 = 1 = 1 1 1 = 1 = = = 1 = 1 1
–   Hannibal 1.0a 64-bit2862+14
−14		(−192)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+25
1 1 = 1 = = 1 0 1 = 1 = 1 1 = 1 1 = 1 1 1 0 1 1 = 1 1 1 1 1
–   Protector 1.3.5 64-bit2856+15
−15		(−198)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+43
1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 0 1 1 1 = 0 1 = = 1 1 1 = 1 =
–   Zappa Mexico II 64-bit2846+7
−6		(−208)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+1
1 1 1 = 1 1 1 1 1 = 1 = 1 1 = = 1 = 1 1 = 1 = 1 = 1 1 1 = = 1 =
–   Deep Junior 11.2 64-bit2843+18
−18		(−211)23 − 8
(+20−5=6)
74.2%
23.0 / 31
100.0%
−26
0 1 = 1 1 1 = 1 1 1 1 1 1 = 1 1 0 = 1 1 = 1 0 = 1 0 1 0 1 1 1
–   Deep Sjeng WC2008 64-bit2843+10
−10		(−211)24.5 − 7.5
(+19−2=11)
76.6%
24.5 / 32
100.0%
−27
1 = 1 = 0 1 = = 1 = 1 1 1 = 1 1 = = 1 = 1 1 1 = 1 = 1 1 0 1 1 1
–   Onno 1.2.70 64-bit2841+8
−8		(−213)24 − 7
(+19−2=10)
77.4%
24.0 / 31
100.0%
−24
1 1 1 = 1 1 1 1 = = 0 1 0 1 = 1 1 = 1 1 1 = 1 = = 1 1 = 1 1 =
–   Toga II 1.4.1SE2823+10
−9		(−231)24 − 6
(+21−3=6)
80.0%
24.0 / 30
100.0%
0
1 0 1 1 1 1 1 0 1 1 1 1 1 = = 1 1 0 = 1 1 1 1 1 = 1 1 = 1 =
–   Booot 5.02784+15
−15		(−270)27 − 3
(+24−0=6)
90.0%
27.0 / 30
100.0%
+58
1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = = = 1 1 1 1 = 1
–   Loop 13.6 (Loop 2007) 32-bit2775+10
−10		(−279)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+77
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 1
–   Bright 0.5c2771+7
−7		(−283)24.5 − 5.5
(+20−1=9)
81.7%
24.5 / 30
100.0%
−59
1 1 1 1 = = 1 1 1 1 = 1 = 1 1 0 = 1 1 = 1 = 1 1 = 1 1 1 = 1
–   MinkoChess 0.9 64-bit2771+12
−12		(−283)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+70
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
–   Twisted Logic 20090922 64-bit2770+7
−7		(−284)27 − 3
(+24−0=6)
90.0%
27.0 / 30
100.0%
+44
1 1 1 = 1 1 1 = = 1 1 = 1 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1
–   Bison 9.11 64-bit2760+9
−9		(−294)25 − 5
(+22−2=6)
83.3%
25.0 / 30
100.0%
−29
1 0 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 1 0 = 1 1 1 1 1 = 1 = 1 1
–   Crafty 23.3 64-bit2757+15
−15		(−297)21.5 − 8.5
(+15−2=13)
71.7%
21.5 / 30
100.0%
−159
= 1 = = = = 1 1 1 = 0 0 1 1 = = 1 1 1 1 1 = 1 = 1 1 1 = = =
–   Scorpio 2.6 64-bit2756+14
−14		(−298)26 − 4
(+24−2=4)
86.7%
26.0 / 30
100.0%
+16
1 1 = 1 1 1 1 1 = 1 1 1 1 0 1 = 1 1 1 1 1 1 1 1 1 1 1 0 1 =
–   Chronos 1.9.9 64-bit2740+7
−7		(−314)28 − 2
(+26−0=4)
93.3%
28.0 / 30
100.0%
+85
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
–   Spike 1.2 Turin2731+5
−5		(−323)26 − 4
(+24−2=4)
86.7%
26.0 / 30
100.0%
−7
1 1 1 1 0 = 1 0 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 = 1 1
–   BugChess2 1.7 64-bit2707+13
−13		(−347)26.5 − 3.5
(+23−0=7)
88.3%
26.5 / 30
100.0%
−46
1 1 = 1 1 1 1 1 1 = 1 1 1 = = = 1 1 1 1 1 = 1 1 = 1 1 1 1 1
–   Naum 2.0 32-bit2700+8
−8		(−354)27.5 − 1.5
(+26−0=3)		94.8%
27.5 / 29
100.0%
+89
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
–   Frenzee Feb08 64-bit2694+10
−10		(−360)27.5 − 2.5
(+25−0=5)
91.7%
27.5 / 30
100.0%
+2
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 =
–   Delfi 5.42683+6
−7		(−371)27.5 − 2.5
(+26−1=3)
91.7%
27.5 / 30
100.0%
+22
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
1062 games: 640 wins, 104 losses, 318 draws (29.9%), score: 75.2%

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Created in 2005-2013 by CCRL team
Last games added on April 3, 2021