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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Zevra 1.8.6 r672 64-bit (2301+18
−18
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 14 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Nemeton 1.82432+15
−15
(+131)11.5 − 19.5
(+9−17=5)
37.1%
11.5 / 31
0.0%
+32
= = 1 1 1 0 0 0 1 1 0 = 1 0 0 = 0 0 0 0 1 0 0 1 0 1 0 = 0 0 0
–   FrankWalter 2.2.3 64-bit2389+18
−18
(+88)9 − 23
(+4−18=10)
28.1%
9.0 / 32
0.0%
−63
= 0 0 0 0 1 = = 0 0 0 0 0 = 0 0 = 0 0 0 0 = 1 0 0 0 1 = 1 = = =
–   Terra 3.42368+10
−10
(+67)19.5 − 12.5
(+18−11=3)
60.9%
19.5 / 32
0.0%
+157
0 = 1 0 0 1 0 1 1 1 0 1 0 1 0 = 1 1 1 1 1 0 1 1 = 0 1 1 0 0 1 1
–   The Crazy Bishop 00522364+9
−9
(+63)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
0.0%
+71
= 1 = = = 0 0 1 = 1 = 1 1 1 0 = 0 0 1 = 1 0 = 0 1 = = 0 1 0 1 0
–   Homer 2.012356+9
−9
(+55)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−51
= = 0 = = 1 0 0 0 = 1 0 0 0 0 0 0 0 = 0 1 = = 1 0 0 0 = 1 1 = 0
–   Jonesy 1.0 64-bit2351+17
−17
(+50)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+3
1 0 0 0 0 1 1 = 1 0 1 1 0 0 0 0 0 1 = 1 0 0 1 = 1 0 0 = = 0 = 1
–   Amateur 2.822350+8
−8
(+49)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+13
0 0 = 0 1 1 1 1 = = 0 1 0 = 1 0 0 1 1 0 1 0 0 = 1 0 0 1 1 0 0 0
–   Alex 2.14a 64-bit2348+10
−10
(+47)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
−10
= = 1 1 0 1 0 0 0 1 1 1 0 0 1 0 1 1 0 0 = 0 = 0 1 0 0 = = 0 0 =
–   Plisk 0.2.7d 64-bit2344+10
−10
(+43)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.0%
+47
0 = 1 = 1 0 1 0 0 1 0 = 0 0 1 1 1 1 0 1 1 0 1 0 0 = 1 = 1 = 0 0
–   Tigran 2.4n 64-bit2344+10
−10
(+43)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.0%
−41
1 0 1 0 1 0 = 0 0 1 0 0 0 0 = = = 0 = 0 = 1 = 1 = 0 = 0 0 = = =
–   Horizon 4.42343+8
−8
(+42)15 − 17
(+10−12=10)
46.9%
15.0 / 32
0.0%
+20
0 0 1 = 0 0 0 1 1 0 1 1 = 0 = 1 = 1 = = 0 1 0 = 1 = 0 0 = = 0 1
–   Queen 4.032335+8
−8
(+34)13 − 18
(+8−13=10)
41.9%
13.0 / 31
0.0%
−18
1 = = = 0 1 = 0 0 = = 0 0 = 1 0 0 = 0 0 0 1 1 0 = 1 0 0 = 1 1
–   Arion 1.72332+7
−7
(+31)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+7
= 1 0 = 0 0 0 0 1 0 = 0 1 0 1 = 1 0 1 0 1 1 0 1 1 1 0 0 1 = = 0
–   EveAnn 1.722328+13
−13
(+27)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.5%
−84
= 0 0 0 0 = 0 = 0 1 0 = = 0 0 0 0 0 1 1 0 = = 1 0 1 0 0 1 = 0 1
–   Sage 3.532324+8
−8
(+23)14 − 18
(+9−13=10)
43.8%
14.0 / 32
0.8%
−19
= = = 0 1 = = 0 1 1 = = = 0 1 0 1 = 0 = 1 1 0 0 1 0 0 1 0 0 0 0
–   Chezzz 1.0.32321+8
−8
(+20)17 − 15
(+13−11=8)
53.1%
17.0 / 32
2.0%
+40
1 1 1 = = 0 1 0 = 1 = 1 1 1 0 0 1 = 1 0 0 0 0 = = 1 1 1 = 0 0 0
–   Gibbon 2.69a 64-bit2319+12
−12
(+18)11 − 21
(+8−18=6)
34.4%
11.0 / 32
4.1%
−103
0 1 = 0 0 1 = 0 1 0 0 0 1 0 1 0 0 0 = 0 0 1 = 0 = 0 0 1 1 0 = 0
–   Mediocre 0.5 64-bit2318+11
−11
(+17)16 − 16
(+13−13=6)
50.0%
16.0 / 32
4.6%
+13
0 1 = 1 1 1 0 = 1 0 0 0 1 0 = 0 = 0 1 0 1 0 1 1 = 0 = 0 0 1 1 1
–   Aice 0.99.22316+9
−9
(+15)15.5 − 16.5
(+9−10=13)
48.4%
15.5 / 32
5.7%
+5
= = 0 0 = = = 0 = 1 0 = 1 0 1 1 1 = 1 0 0 = 1 0 = = = = 1 0 1 0
–   Barbarossa 0.4.0 64-bit2316+12
−12
(+15)15 − 17
(+12−14=6)
46.9%
15.0 / 32
6.9%
−8
0 0 0 0 1 1 1 = 1 1 1 1 = 0 0 0 = = 1 0 = 0 1 1 0 0 1 = 0 0 0 1
–   Absolute Zero 2.4.7.2 64-bit2316+12
−12
(+15)13.5 − 17.5
(+8−12=11)
43.5%
13.5 / 31
7.0%
−26
1 1 0 0 1 = 0 0 0 = = 1 0 = 0 = = 1 0 = = 1 = 1 = 0 0 = 0 0 1
–   Isa 2.0.64 64-bit2313+16
−16
(+12)9.5 − 10.5
(+7−8=5)
47.5%
9.5 / 20
14.4%
−6
= 0 = 0 0 = 0 1 1 1 1 = 0 0 0 1 1 = 0 1
–   Sungorus 1.4 64-bit2310+9
−9
(+9)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
17.2%
−22
1 1 = = = = 0 0 = 0 1 0 0 1 0 = 1 0 1 0 1 0 0 1 0 0 0 = 1 = = 1
–   Averno 0.812306+9
−9
(+5)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
28.2%
−4
0 0 1 0 1 1 0 1 0 0 1 1 0 = 1 = 1 0 1 0 1 1 0 0 1 0 1 0 0 = 0 1
–   Waxman 20172305+15
−15
(+4)16 − 16
(+13−13=6)
50.0%
16.0 / 32
36.2%
+7
1 0 0 0 1 0 0 = 1 0 = 0 1 = 0 = 1 1 1 1 1 = 0 = 0 1 0 0 1 1 1 0
–   Kingfisher 1.0 64-bit2303+17
−17
(+2)16 − 16
(+11−11=10)
50.0%
16.0 / 32
41.4%
+3
1 0 0 1 = 1 0 1 0 0 = 0 = 1 1 = 1 1 = = 0 1 0 0 1 = 0 0 = 1 = =
–   KnightX 1.922296+8
−8
(−5)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
69.9%
+47
= = 1 0 1 1 = 1 0 0 0 = 0 1 0 0 1 1 1 = 1 1 1 = 1 1 = = = = = 0
–   Fischerle 0.9.80 SE 64-bit2277+15
−15
(−24)20 − 12
(+16−8=8)
62.5%
20.0 / 32
97.9%
+65
= 1 = 1 1 1 0 = 0 = = 0 1 = 1 0 = = 1 1 1 1 1 1 1 1 0 0 0 1 1 0
–   Esc 1.162266+9
−9
(−35)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
100.0%
−69
0 0 0 0 0 1 0 0 = = 0 0 1 1 1 0 = 1 = 1 0 = 0 = 1 0 1 1 1 1 = 0
–   Rival 1.0.1 64-bit2265+13
−13
(−36)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
99.9%
−2
1 1 = 1 0 0 1 1 0 1 0 1 = 0 1 1 1 0 1 0 = = = 1 1 = 1 0 0 = 0 0
–   Butcher 1.61 64-bit2262+12
−12
(−39)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
+43
0 0 1 0 1 = = 1 1 1 1 = = 0 1 1 1 1 1 0 0 0 1 0 = 1 1 0 1 1 1 0
–   Zeus 1.292261+9
−9
(−40)14.5 − 17.5
(+13−16=3)
45.3%
14.5 / 32
100.0%
−76
0 1 0 = 1 0 0 0 1 0 1 0 1 0 1 1 1 1 0 0 0 = 1 1 1 0 0 1 = 0 0 0
–   Natwarlal 0.142259+8
−8
(−42)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
+32
1 0 1 = 1 1 1 1 1 0 = = 0 = = = 1 0 0 = 1 0 1 = = 1 1 1 = = 0 1
–   Napoleon 1.8 64-bit2252+14
−14
(−49)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
100.0%
−2
= = = = = 1 0 = 1 = = = 1 1 = 0 = = 1 = 0 1 1 = = 0 = 1 0 = 1 1
–   FireFly 2.7.2 64-bit2250+14
−14
(−51)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
+33
1 1 1 0 1 1 1 0 1 = 1 = 1 = 0 0 1 0 = 0 = 1 1 1 1 0 0 1 0 1 0 1
–   Isa 2.0.61 64-bit2236+17
−18
(−65)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
100.0%
−34
0 1 0 = 1 1 0 = 0 1 0 = 1 0 1 0 = = = 1 = 0 = 1 = 0 = 1 1 = 1 1

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