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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Zevra 1.8.3 r636 64-bit (2215+20
−20
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 14 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   GreKo 2018.02 64-bit2642+19
−19
(+427)0 − 8
(+0−8=0)
0.0%
0.0 / 8
0.0%
−INF
–   Napoleon 1.8 64-bit2253+14
−14
(+38)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.1%
−41
–   Robocide 20170718 64-bit2235+14
−14
(+20)14 − 18
(+11−15=6)
43.8%
14.0 / 32
5.1%
−26
–   Leela Chess 0.7 w187 64-bit2235+22
−22
(+20)9.5 − 19.5
(+6−16=7)
32.8%
9.5 / 29
8.6%
−105
–   GopherCheck 0.2.3 64-bit2233+13
−13
(+18)17 − 14
(+13−10=8)
54.8%
17.0 / 31
6.5%
+54
–   Anechka 0.082233+8
−7
(+18)18 − 12
(+15−9=6)
60.0%
18.0 / 30
4.1%
+91
–   CT800 1.30 64-bit2228+18
−18
(+13)13 − 19
(+8−14=10)
40.6%
13.0 / 32
16.5%
−52
–   AliChess 4.252227+9
−9
(+12)14.5 − 17.5
(+13−16=3)
45.3%
14.5 / 32
12.8%
−23
–   Adam 3.32220+10
−10
(+5)13 − 19
(+9−15=8)
40.6%
13.0 / 32
30.4%
−57
–   CT800 1.20 64-bit2216+17
−17
(+1)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
45.5%
+37
–   RamJet 0.132212+14
−14
(−3)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
57.1%
−11
–   FireFly 2.7.0 64-bit2208+14
−14
(−7)18 − 12
(+15−9=6)
60.0%
18.0 / 30
71.6%
+62
–   Chispa 4.0.32206+8
−8
(−9)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
77.8%
+3
–   Beowulf 2.4a 32-bit2204+10
−10
(−11)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
81.6%
+109
–   RattateChess 1.0 Nosferatu2200+12
−12
(−15)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
89.5%
+95
–   NG-Play 9.86 64-bit2194+17
−17
(−21)15 − 17
(+13−15=4)
46.9%
15.0 / 32
93.5%
−47
–   Uralochka 1.1b2188+11
−11
(−27)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
98.8%
−36
–   Mango Paola Ajedrez 1.02186+11
−11
(−29)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
99.2%
−60
–   Atak 6.82184+9
−10
(−31)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
99.7%
+33
–   Protej 0.5.8c2184+12
−12
(−31)18.5 − 12.5
(+15−9=7)
59.7%
18.5 / 31
99.5%
+38
–   Madeleine 0.22183+9
−9
(−32)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
99.8%
−18
–   Baislicka 1.0 64-bit2179+14
−14
(−36)14 − 17
(+10−13=8)
45.2%
14.0 / 31
99.8%
−74
–   Genesis 2.02169+10
−10
(−46)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+49
–   Blitzkrieg rev337 64-bit2163+12
−12
(−52)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
+26
–   Galjoen 0.37.2 64-bit2160+16
−16
(−55)19 − 13
(+18−12=2)
59.4%
19.0 / 32
100.0%
+22
–   BlackBishop 1.02155+9
−9
(−60)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
+124
–   NagaSkaki 5.122155+10
−9
(−60)11 − 21
(+7−17=8)
34.4%
11.0 / 32
100.0%
−175
–   Lime 662143+8
−8
(−72)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−50
–   Alarm 0.93.12143+9
−8
(−72)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+69

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