CCRL Blitz
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 2'515'858 games
played by 2'996 programs

White wins: 966'865 (38.4%)
Black wins: 774'272 (30.8%)
Draws: 774'721 (30.8%)
White score: 53.8%

Engine Details

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Stockfish 12 64-bit 8CPU (3697+13
−13		)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
–   Fat Fritz 2 (in SF) 64-bit 8CPU3723+13
−13		(+26)47 − 53
(+1−7=92)
47.0%
47.0 / 100
0.3%
+10
= = = = = = = = = = = = 0 = = = = = = = 0 = = = = = = = 0 = = = = = = = = = 0 = = = = = = = = = = 0 = = = = = = = = = = = = = = = = = = = = = = 0 1 = = = = = = 0 = = = = = = = = = = = = = = = = = = =
–   Dragon by Komodo 64-bit 8CPU3679+12
−12		(−18)52.5 − 48.5
(+7−3=91)
52.0%
52.5 / 101
98.2%
−8
= = 1 = = = = = = = = = = 0 = 0 = = = = = = = = = = = = = = = = = = = = = 1 = = = = = = = = = = = = = = = = = = 1 = = = 1 = = = = = = = = = = = = = = = 1 = = = = = = = = = 0 = = = = = = = = 1 1 = = = =
–   Lc0 0.26.3 t40-1541 RTX20803652+16
−16		(−45)25 − 19
(+7−1=36)
56.8%
25.0 / 44
100.0%
−10
= = 1 = 1 = = 0 = = = = = = = = = = = = 1 = = 1 = = = = 1 = 1 = = = = = = = = = 1 = = =
–   Lc0 0.25.1 t40-1541 RTX20803646+15
−15		(−51)52.5 − 40.5
(+14−2=77)
56.5%
52.5 / 93
100.0%
−20
= = = = = = = = = = = = = = = = = 1 = = = = = = = = = = 0 = = = = = = = = = = 1 1 = = = = = = = 0 1 = = = 1 1 1 = = = 1 = = = = = = 1 = = 1 = = = = = = = 1 = = = = 1 1 = = = = = 1 = = =
–   Stoofvlees II a16 RTX20803637+15
−15		(−60)57.5 − 42.5
(+20−5=75)
57.5%
57.5 / 100
100.0%
−22
= = 1 = = = = = = = = = = = 1 = = = = 1 = = 1 = 0 1 0 = 1 = = 1 = = 0 1 = = = = = 1 = = = 1 1 = = = = 1 = = 1 = = 1 = = = = = = = 1 = = = 1 0 1 1 = = = 0 1 = = = = = = = = = = = = = = 1 = = = = = = =
–   Stockfish 12 64-bit3635+12
−12		(−62)81 − 49
(+33−1=96)
62.3%
81.0 / 130
100.0%
+2
= 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 = = = = = = 1 = 1
–   Fat Fritz (in Lc0) w471 RTX20803633+11
−11		(−64)52.5 − 39.5
(+14−1=77)
57.1%
52.5 / 92
100.0%
−29
= = = 1 = = = = 1 = = 1 = = = = = = = = = = 1 1 = = = = = = = = = = 1 = = = = = = = = = = = 1 = = 1 = = 1 = = 1 = = 1 = = = = = 1 = = = = = = = = = = = = = = = 1 = = = = 0 = 1 = = = =
–   Leelenstein 11.1 RTX20803626+10
−10		(−71)54 − 39
(+17−2=74)
58.1%
54.0 / 93
100.0%
−29
= = = = = = 1 = = = = = = = 1 = = = = = = = = = = = = 0 = = 1 = = = = = = = = 1 = = = 1 = 1 = = = = = = = 1 = = = = = = = 1 = = = 1 = = = 1 = = = = = 1 = = = 1 0 1 = 1 = = = 1 = 1 = 1 =
–   Stoofvlees II a14 RTX20803569+12
−12		(−128)62 − 30
(+34−2=56)
67.4%
62.0 / 92
100.0%
−29
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 = 1 = 1 0 = = 1 1 = = 1 = = =
–   Allie 0.5 nn49921 RTX20803561+9
−10		(−136)59.5 − 32.5
(+28−1=63)
64.7%
59.5 / 92
100.0%
−56
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 1 = = = 1 = 1 =
–   Komodo 14 64-bit 8CPU3553+20
−20		(−144)74 − 19
(+55−0=38)
79.6%
74.0 / 93
100.0%
+48
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 = =
–   Komodo 14.1 64-bit 8CPU3552+18
−18		(−145)69.5 − 21.5
(+48−0=43)
76.4%
69.5 / 91
100.0%
+18
= 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 = = = =
–   Nemorino 6.00 64-bit 8CPU3552+13
−13		(−145)64 − 18
(+46−0=36)
78.0%
64.0 / 82
100.0%
+35
= 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 =
–   Ethereal 12.75 64-bit 8CPU3541+13
−13		(−156)43.5 − 12.5
(+31−0=25)
77.7%
43.5 / 56
100.0%
+19
= = = 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
–   SlowChess Blitz 2.5 64-bit 8CPU3540+14
−14		(−157)39.5 − 9.5
(+31−1=17)
80.6%
39.5 / 49
100.0%
+54
= 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
–   Igel 2.9.0 64-bit 8CPU3511+15
−15		(−186)51 − 13
(+38−0=26)
79.7%
51.0 / 64
100.0%
+9
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
–   RubiChess 2.0 NN-375bd 64-bit 8CPU3509+16
−16		(−188)35 − 8
(+27−0=16)
81.4%
35.0 / 43
100.0%
+26
= 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
–   Xiphos 0.6 64-bit 8CPU3455+15
−15		(−242)66 − 13
(+53−0=26)
83.5%
66.0 / 79
100.0%
−5
= 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
–   Xiphos 0.6 64-bit 4CPU3429+10
−10		(−268)82.5 − 9.5
(+73−0=19)
89.7%
82.5 / 92
100.0%
+56
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 1 1
–   Fire 7.1 64-bit 4CPU3426+8
−8		(−271)82 − 10
(+73−1=18)
89.1%
82.0 / 92
100.0%
+51
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 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 =
–   RofChade 2.3 64-bit 4CPU3387+16
−16		(−310)82.5 − 9.5
(+73−0=19)
89.7%
82.5 / 92
100.0%
+14
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 1 = = 1
–   Fritz 17 64-bit 4CPU3380+15
−15		(−317)83.5 − 7.5
(+76−0=15)
91.8%
83.5 / 91
100.0%
+47
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 1 1 1 1 1
–   Booot 6.4 64-bit 4CPU3357+12
−12		(−340)83.5 − 8.5
(+75−0=17)
90.8%
83.5 / 92
100.0%
+4
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 = 1 = 1 1 1 =
1953 games: 874 wins, 27 losses, 1052 draws (53.9%), score: 71.7%

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Created in 2005-2013 by CCRL team
Last games added on May 1, 2021