CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (30.8%)
White score: 53.8%

Engine Details

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Stockfish 12 64-bit (3634+12
−12		)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
–   Stockfish 12 64-bit 8CPU3697+13
−13		(+63)49 − 81
(+1−33=96)
37.7%
49.0 / 130
0.0%
−1
0 = 0 = = = 0 = = = = 0 0 = 0 = = = 0 0 0 1 0 = = = = = = 0 = 0 = = = = = = = 0 = = = = = = = = 0 = 0 = = = = = = = = = 0 = = 0 = = = = = = = = 0 = 0 = = = = = 0 = = = = = = 0 = 0 = 0 = = = = = = = = = = = = = 0 = 0 = 0 0 = 0 = 0 = 0 = = = 0 = 0 = = = = = = 0
–   Lc0 0.25.1 t40-1541 RTX20803645+15
−15		(+11)22 − 20
(+5−3=34)
52.4%
22.0 / 42
13.2%
+23
= 0 1 = = = = = 1 0 1 = = = = = = = = = 1 = = = = = = 0 = = = = 1 = = = = = = = = =
–   Fat Fritz 2 (in SF) 64-bit3643+15
−15		(+9)46 − 49
(+5−8=82)
48.4%
46.0 / 95
17.5%
+2
= = = = = = = = = 1 = = 0 = 0 = = = = = = = = = = = = = = = = = = = 1 = = = = = = = = = = = = 0 = = = = = = = = = = = = = = = = = 1 = = = 0 0 = = 1 = = = 0 = = = = = = = = = 0 = = 1 0 = = =
–   Fat Fritz (in Lc0) w471 RTX20803633+11
−11		(−1)20 − 22
(+4−6=32)
47.6%
20.0 / 42
56.5%
−12
= = = = = = = = = 0 0 0 = = = = 1 0 = = = = 0 = = 1 0 = = = = = = = = = 1 = = = 1 =
–   Leelenstein 11.1 RTX20803626+10
−10		(−8)22 − 18
(+6−2=32)
55.0%
22.0 / 40
83.9%
+18
= 1 = = = 0 = = = 0 = = = = = = 1 = = = = = 1 = = 1 = = = = 1 = = = = = 1 = = =
–   Dragon by Komodo 64-bit3586+14
−14		(−48)54 − 46
(+10−2=88)
54.0%
54.0 / 100
100.0%
−28
= = = = = = = = = 0 = = = = = = = = = = 1 = = = 1 = = = = = = = = = = = = = = = = = = = 1 = = = 1 = = = = = = = 1 = = = = 0 1 = = = 1 = = = = 1 = = 1 = = = = 1 = = = = = = = = = = = = = = = = = = = =
–   Stoofvlees II a14 RTX20803568+12
−12		(−66)24 − 18
(+11−5=26)
57.1%
24.0 / 42
100.0%
−27
= = = = = = = = = = 1 1 = 1 1 1 = = = 1 = = = = 1 0 0 = = = 1 0 1 0 0 1 = = = 1 = =
–   Allie 0.5 nn49921 RTX20803560+10
−10		(−74)26 − 16
(+11−1=30)
61.9%
26.0 / 42
100.0%
−12
1 = = = 1 = = = = = = = 1 = = = = 1 = = = 0 = = = = 1 = = 1 = = = 1 = 1 1 1 = = 1 =
–   Komodo 14 64-bit 8CPU3553+20
−20		(−81)25 − 17
(+10−2=30)
59.5%
25.0 / 42
100.0%
−30
1 = = = 1 = 1 0 = = 1 = = = = = = = = 1 = = = = = 1 1 = = = 1 = 1 0 = = = = = = 1 =
–   Lc0 0.24.1 w591226 GTX10503525+16
−16		(−109)70.5 − 31.5
(+43−4=55)
69.1%
70.5 / 102
100.0%
+3
= = = 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 0 1 = 1 = = = 1 1 1 1 1 = = 1 1 = 1 = 1 1 1 = = = 1 = 1 = = 1 = = = 1 = 0 1 0 = = = = 1
–   Komodo 14 64-bit3444+24
−24		(−190)80 − 19
(+61−0=38)
80.8%
80.0 / 99
100.0%
+15
1 1 1 = 1 1 1 = = = 1 1 = 1 = 1 1 1 = 1 1 1 1 1 = 1 = = = = = = 1 = = 1 = 1 1 1 = 1 = 1 1 1 = 1 1 1 1 1 = 1 1 = = 1 1 1 = 1 1 1 1 = 1 1 1 = = 1 1 1 1 = 1 = 1 = = 1 1 = 1 1 = 1 = 1 1 1 = = = 1 1 1 =
–   Houdini 6 64-bit3443+6
−7		(−191)83 − 16
(+69−2=28)
83.8%
83.0 / 99
100.0%
+54
= 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 = 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 =
–   Nemorino 6.00 64-bit3438+14
−14		(−196)44.5 − 17.5
(+29−2=31)
71.8%
44.5 / 62
100.0%
−66
= = = = = = 1 1 1 = 1 1 = 1 1 1 1 0 = 1 1 1 1 = 1 0 1 = = 1 = = = = 1 = = 1 1 = = = 1 = = = 1 = 1 1 = 1 = = 1 1 1 = 1 = = 1
–   Xiphos 0.6 64-bit 4CPU3429+10
−10		(−205)32.5 − 9.5
(+24−1=17)
77.4%
32.5 / 42
100.0%
−25
= 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
–   Fire 7.1 64-bit 4CPU3426+8
−8		(−208)32.5 − 9.5
(+24−1=17)
77.4%
32.5 / 42
100.0%
−27
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
–   Nemorino 6.05 64-bit3418+15
−15		(−216)78 − 22
(+56−0=44)
78.0%
78.0 / 100
100.0%
−36
1 = 1 1 1 1 = 1 1 = 1 = 1 = 1 = 1 = = = 1 = 1 = 1 = 1 = = 1 1 = 1 = 1 = 1 = 1 1 1 1 1 = 1 1 1 1 = = 1 = = 1 1 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-bit3409+14
−14		(−225)82.5 − 17.5
(+65−0=35)
82.5%
82.5 / 100
100.0%
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
–   Ethereal 12.75 64-bit3404+12
−12		(−230)80 − 20
(+60−0=40)
80.0%
80.0 / 100
100.0%
−32
= 1 1 1 1 1 1 1 = 1 = 1 1 1 = = = = 1 1 1 1 = 1 1 1 1 1 1 = = = = 1 = = 1 1 = 1 1 1 = 1 1 = 1 1 = = = = = 1 1 1 1 1 = 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		(−247)37 − 5
(+32−0=10)
88.1%
37.0 / 42
100.0%
+50
1 = 1 = 1 = 1 1 1 = 1 1 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-bit3382+15
−15		(−252)85.5 − 14.5
(+71−0=29)
85.5%
85.5 / 100
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 = = = 1 = 1 1 = 1 1 = 1 1 1 = 1 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 4CPU3379+15
−15		(−255)35.5 − 5.5
(+30−0=11)
86.6%
35.5 / 41
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
–   Ethereal 12.50 64-bit3377+16
−16		(−257)84.5 − 15.5
(+69−0=31)
84.5%
84.5 / 100
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 = 1 1 = = 1 1 1 = 1 = 1 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 12.25 64-bit3370+15
−15		(−264)88.5 − 11.5
(+77−0=23)
88.5%
88.5 / 100
100.0%
+39
= 1 = 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 = 1 = 1 1 1 1 1 1 1 = 1 1 1 = 1 1 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 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-bit3361+13
−13		(−273)80 − 20
(+60−0=40)
80.0%
80.0 / 100
100.0%
−74
= 1 = = = = 1 = 1 = = 1 1 = 1 1 1 1 = = 1 1 1 = = = 1 = 1 1 1 1 = 1 1 = 1 1 1 = 1 = 1 = 1 1 1 = = = 1 1 1 = 1 1 1 = 1 = 1 = = 1 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 4CPU3356+12
−12		(−278)34.5 − 6.5
(+28−0=13)
84.1%
34.5 / 41
100.0%
−33
1 1 1 = 1 1 1 = 1 1 1 = 1 1 1 = = = 1 1 1 = = 1 1 1 1 1 1 = 1 = 1 = 1 1 1 = 1 = 1
–   Pedone 3.0 64-bit3346+14
−14		(−288)44 − 6
(+39−1=10)
88.0%
44.0 / 50
100.0%
+20
= 1 1 1 1 = 1 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
–   SlowChess Blitz Classic 2.2 64-bit3345+16
−16		(−289)91 − 9
(+82−0=18)
91.0%
91.0 / 100
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 1 1 = = 1 1 = = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 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 1.9 64-bit3343+16
−16		(−291)57 − 7
(+50−0=14)
89.1%
57.0 / 64
100.0%
+21
1 = = = 1 1 1 1 = 1 1 = 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 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-bit3340+9
−10		(−294)87.5 − 10.5
(+77−0=21)
89.3%
87.5 / 98
100.0%
+22
= 1 1 1 1 1 1 = = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 1 = 1 1 1 1 = 1 1 = 1 1 1 = 1 1 1 1 1 1 = 1 = 1 1 1 1 1 = = 1 1 1 1 1 1 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-bit3334+8
−8		(−300)93 − 7
(+86−0=14)
93.0%
93.0 / 100
100.0%
+92
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 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-bit3308+11
−11		(−326)93.5 − 5.5
(+88−0=11)
94.4%
93.5 / 99
100.0%
+106
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 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-bit3295+11
−11		(−339)59.5 − 4.5
(+55−0=9)
93.0%
59.5 / 64
100.0%
+53
1 = 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 = 1 1 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1
–   Defenchess 2.3 64-bit3286+13
−14		(−348)57 − 5
(+52−0=10)
91.9%
57.0 / 62
100.0%
+21
1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 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 2.7.0 64-bit3286+17
−17		(−348)58.5 − 5.5
(+53−0=11)
91.4%
58.5 / 64
100.0%
+7
= = 1 1 1 1 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1
–   Schooner 2.2 64-bit3272+10
−10		(−362)60 − 4
(+56−0=8)
93.8%
60.0 / 64
100.0%
+50
= 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 = 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1
–   Laser 1.7 64-bit3272+8
−8		(−362)58.5 − 5.5
(+53−0=11)
91.4%
58.5 / 64
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
–   Shredder 13 64-bit3270+7
−6		(−364)56 − 8
(+48−0=16)
87.5%
56.0 / 64
100.0%
−76
1 = 1 = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 = = 1 1 = = = 1 1 1 1 = 1 = 1 1 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-bit3269+11
−11		(−365)57 − 6
(+51−0=12)
90.5%
57.0 / 63
100.0%
−27
1 = 1 1 1 1 1 = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 = 1 1 1 = = = = 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1
2801 games: 1651 wins, 73 losses, 1077 draws (38.5%), score: 78.2%

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Created in 2005-2013 by CCRL team
Last games added on April 10, 2021