CCRL Blitz
Downloads and Statistics
January 23, 2021
Testing summary:
Total: 2'444'303 games
played by 2'907 programs

White wins: 940'165 (38.5%)
Black wins: 754'457 (30.9%)
Draws: 749'681 (30.7%)
White score: 53.8%

Engine Details

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Stockfish 2.0.1 64-bit 4CPU (3167+15
−14		)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 70 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 1.5a 64-bit 4CPU3265+16
−16		(+98)20 − 30
(+8−18=24)
40.0%
20.0 / 50
0.0%
+36
1 = 0 0 = = 0 = 1 = = = 0 0 = = 0 1 0 = = 0 = = = 0 1 = 0 0 = = = 1 0 = 1 = = 0 = 1 0 = 0 0 1 0 = 0
–   Critter 1.2 64-bit 4CPU3209+17
−16		(+42)24 − 26
(+10−12=28)
48.0%
24.0 / 50
0.0%
+28
1 = 0 = = = = = 0 = = = = 1 0 = 1 = = = 0 0 0 0 = 1 0 1 0 = = 0 0 = 1 = = = = 1 = = 1 1 1 = 0 = = =
–   Rybka 4.1 64-bit 4CPU3206+7
−7		(+39)22.5 − 27.5
(+7−12=31)
45.0%
22.5 / 50
0.0%
+8
= = 1 = = = 0 = 0 = 0 = = = = = 0 0 0 = 1 = = = 0 0 = = = = 0 = 1 = 1 = 0 1 1 1 0 0 = = = = = = = =
–   Rybka 4 64-bit 4CPU3198+11
−11		(+31)21.5 − 28.5
(+9−16=25)
43.0%
21.5 / 50
0.0%
−11
= = 1 = = 0 0 = = 0 0 = = = 0 0 1 = = 0 = 0 1 1 = = = 0 1 0 = = = 0 = = = = 1 0 1 0 0 1 = 0 1 = = 0
–   Stockfish 2.1.1 64-bit 4CPU3195+15
−15		(+28)25 − 25
(+5−5=40)
50.0%
25.0 / 50
0.4%
+28
= = = = = = 0 = = 1 = = 0 1 = = 1 = = = = 1 = = = = = = 0 = = = = = = 1 = = = 0 = = = = = = = = 0 =
–   Houdini 1.5a 64-bit3170+12
−11		(+3)26.5 − 23.5
(+17−14=19)
53.0%
26.5 / 50
36.9%
+22
= 1 1 1 0 1 = 1 = = = 1 = 1 0 = = = 0 = 0 1 0 1 0 = = 1 0 1 0 1 = 1 1 = 1 0 0 = = 1 = = 0 0 0 = 0 1
–   Critter 1.01 64-bit 4CPU3157+16
−16		(−10)29.5 − 20.5
(+17−8=25)
59.0%
29.5 / 50
82.8%
+44
= 1 1 = = 1 = 1 0 = = 0 0 1 = 1 = 1 = 1 0 = = = = 1 1 = = = = = 0 1 = = 1 1 0 1 0 = 0 = = 1 1 1 = =
–   Stockfish 1.9.1 64-bit 4CPU3153+12
−12		(−14)27 − 23
(+7−3=40)
54.0%
27.0 / 50
93.0%
+7
= = = = 0 1 = 1 0 1 = = = 0 = = = = = 1 = = = = = = = = = 1 = = = = = = = = = = = = = = 1 = = = = 1
–   Critter 0.90 64-bit 4CPU3128+15
−14		(−39)25 − 25
(+8−8=34)
50.0%
25.0 / 50
100.0%
−38
= 1 = = = = 0 0 = 1 = = 1 = = = 1 = = = 1 = = = = 0 = 0 0 = = = 0 = = 1 0 = = = = = = 1 = 0 = = = 1
–   Komodo 3 64-bit3109+10
−10		(−58)25 − 24
(+13−12=24)
51.0%
25.0 / 49
100.0%
−52
1 1 = = = = 0 1 = 0 = 0 1 = = 0 0 0 = = 1 1 = = 1 = = = = 0 0 = = 0 = 1 = 1 1 0 1 1 0 = 1 0 = = =
–   Naum 4.2 64-bit 4CPU3099+8
−8		(−68)25.5 − 24.5
(+10−9=31)
51.0%
25.5 / 50
100.0%
−60
= = = = 1 0 = = 1 = 0 1 1 0 1 = = = = 0 = = = = = 0 0 = = = = = 0 = 1 = = = 1 = = 0 = = 0 = 1 1 1 =
–   Komodo 2.01 64-bit3071+15
−15		(−96)32.5 − 17.5
(+21−6=23)
65.0%
32.5 / 50
100.0%
−4
= = = 1 = 1 1 1 = 1 = = = 1 = 1 0 1 1 = 1 1 0 = = 1 1 1 = 1 0 = = = 0 = 1 = 0 = = 1 = = 1 1 0 1 1 =
–   Komodo 2.03 64-bit3071+14
−13		(−96)35 − 15
(+23−3=24)
70.0%
35.0 / 50
100.0%
+26
1 = = 1 = 1 0 = 1 1 = 1 1 1 = 1 1 1 = = 1 1 = 1 = 0 = = = 1 = = 0 = 1 = = 1 = = 1 1 = = 1 1 1 1 = =
–   Critter 0.80 64-bit 4CPU3070+17
−17		(−97)36 − 14
(+26−4=20)
72.0%
36.0 / 50
100.0%
+46
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 = 1 = 1 1 = = 1 = = 1
–   Deep Shredder 12 64-bit 4CPU3042+7
−7		(−125)32.5 − 17.5
(+23−8=19)
65.0%
32.5 / 50
100.0%
−27
= = 1 1 = 1 0 1 = 1 = = 0 1 1 1 0 = 1 1 = = = 0 0 = 1 0 1 1 = 1 1 1 = 1 0 0 = = = 1 1 1 1 = = = 1 1
–   Spike 1.4 Leiden 4CPU3040+8
−8		(−127)37 − 13
(+26−2=22)
74.0%
37.0 / 50
100.0%
+24
= = 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 = = 1 = 1
–   Hiarcs 13.2 4CPU3033+13
−13		(−134)38.5 − 10.5
(+33−5=11)
78.6%
38.5 / 49
100.0%
+81
0 1 1 1 1 1 1 1 1 1 = 1 = 1 1 0 0 1 = = 0 = = 1 0 = = 1 1 1 = 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1
–   Spark 1.0 64-bit 4CPU3027+8
−8		(−140)36.5 − 13.5
(+25−2=23)
73.0%
36.5 / 50
100.0%
+3
= 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 1 1 = = = = =
–   Deep Junior 12.5 64-bit 4CPU3014+16
−16		(−153)37.5 − 12.5
(+31−6=13)
75.0%
37.5 / 50
100.0%
+26
1 = = = 1 = 1 1 0 1 1 = 1 1 = 1 1 1 1 1 1 1 = = 1 1 = 1 0 1 = 1 = 1 = 1 0 0 1 = 1 1 1 1 0 1 0 1 1 1
–   Hiarcs 13.1 4CPU3009+12
−12		(−158)36 − 14
(+28−6=16)
72.0%
36.0 / 50
100.0%
−7
1 1 1 1 = 1 1 1 1 0 = 1 = = = 1 = 1 = = = 1 0 = 0 1 1 1 0 = 0 1 1 1 = 1 = = 1 = 0 1 1 1 1 1 1 1 = 1
–   Spark 0.5 64-bit 4CPU3000+15
−15		(−167)38 − 12
(+29−3=18)
76.0%
38.0 / 50
100.0%
+6
= = = 1 = = = 1 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 1 1 0 1
–   Komodo 1.3 64-bit2993+12
−12		(−174)40.5 − 9.5
(+34−3=13)
81.0%
40.5 / 50
100.0%
+55
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 = 0 = = 1 1 = 1 1 1
–   Deep Junior 12 64-bit 4CPU2990+16
−16		(−177)37 − 13
(+28−4=18)
74.0%
37.0 / 50
100.0%
−16
= = = 1 1 = = 0 1 1 1 1 1 1 1 1 1 = = 0 1 1 0 = 0 = = = 1 1 1 1 1 1 1 1 = = = 1 = 1 1 = 1 = 1 = 1 1
–   Zappa Mexico II 64-bit 4CPU2972+7
−7		(−195)37 − 13
(+26−2=22)
74.0%
37.0 / 50
100.0%
−42
= 1 = = = = = = = 1 1 0 1 1 = 1 1 = = 1 1 1 1 = 0 1 = 1 1 1 1 1 = 1 = 1 1 1 = 1 = 1 = = 1 1 1 = = =
–   Protector 1.4.0 64-bit 4CPU2972+13
−13		(−195)35.5 − 14.5
(+23−2=25)
71.0%
35.5 / 50
100.0%
−69
= 1 0 = 0 1 = 1 = 1 = 1 1 1 1 = 1 1 1 = = 1 1 1 = = = = 1 = = = = 1 = = 1 1 = = 1 1 1 = = = 1 = 1 =
–   Komodo 1.2 64-bit2966+12
−12		(−201)36.5 − 13.5
(+27−4=19)
73.0%
36.5 / 50
100.0%
−48
1 = 1 = 1 1 1 = 1 = = 1 0 1 1 = 1 = 1 = 1 1 1 0 0 = 1 1 = = = 1 = = 1 = = = 1 1 1 0 1 1 1 = = 1 1 1
–   Onno 1.2.70 64-bit 4CPU2955+12
−13		(−212)41 − 9
(+33−1=16)
82.0%
41.0 / 50
100.0%
+12
= 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 0 = 1
–   Thinker 5.4c Inert 64-bit 4CPU2953+9
−8		(−214)37.5 − 12.5
(+29−4=17)
75.0%
37.5 / 50
100.0%
−44
= = 1 1 = 1 1 1 0 1 = 1 1 1 0 1 = = = 1 0 1 = 1 1 1 = = 1 = = 1 1 1 1 1 = = 0 = 1 1 = 1 1 1 1 1 = 1
–   Protector 1.3.4 64-bit 4CPU2952+13
−13		(−215)41 − 9
(+32−0=18)
82.0%
41.0 / 50
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 1 1 = 1 = 1 = = 1 = = 1 = = = 1
–   Gull 1.1 64-bit2943+12
−12		(−224)38 − 12
(+28−2=20)
76.0%
38.0 / 50
100.0%
−52
= 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 =
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8		(−226)40.5 − 9.5
(+34−3=13)
81.0%
40.5 / 50
100.0%
+1
1 = 1 1 0 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 1 = = 1 1
–   Deep Sjeng 3.0 64-bit 4CPU2930+9
−9		(−237)37.5 − 11.5
(+29−3=17)
76.5%
37.5 / 49
100.0%
−58
1 0 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 0
–   Toga II 1.4 beta5c 4CPU2904+9
−9		(−263)46.5 − 3.5
(+43−0=7)
93.0%
46.5 / 50
100.0%
+130
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
1647 games: 742 wins, 190 losses, 715 draws (43.4%), score: 66.8%

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Created in 2005-2013 by CCRL team
Last games added on January 23, 2021