CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

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Zevra 1.8.6 r672 64-bit (2302+18
−18
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 13 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Nemeton 1.82432+15
−15
(+130)11.5 − 19.5
(+9−17=5)
37.1%
11.5 / 31
0.0%
+31
= = 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-bit2390+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
(+66)19.5 − 12.5
(+18−11=3)
60.9%
19.5 / 32
0.0%
+156
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
(+62)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
0.0%
+70
= 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
(+54)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−52
= = 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-bit2354+18
−18
(+52)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+5
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 2.822351+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
(+46)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
−11
= = 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 =
–   Tigran 2.4n 64-bit2346+11
−11
(+44)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.0%
−40
1 0 1 0 1 0 = 0 0 1 0 0 0 0 = = = 0 = 0 = 1 = 1 = 0 = 0 0 = = =
–   Plisk 0.2.7d 64-bit2342+10
−10
(+40)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.0%
+44
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
–   Horizon 4.42341+8
−9
(+39)15 − 17
(+10−12=10)
46.9%
15.0 / 32
0.0%
+17
0 0 1 = 0 0 0 1 1 0 1 1 = 0 = 1 = 1 = = 0 1 0 = 1 = 0 0 = = 0 1
–   Queen 4.032337+8
−8
(+35)13 − 18
(+8−13=10)
41.9%
13.0 / 31
0.0%
−17
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
(+30)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.1%
+6
= 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 1.722331+14
−14
(+29)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.5%
−82
= 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 3.532325+8
−8
(+23)14 − 18
(+9−13=10)
43.8%
14.0 / 32
0.9%
−19
= = = 0 1 = = 0 1 1 = = = 0 1 0 1 = 0 = 1 1 0 0 1 0 0 1 0 0 0 0
–   Chezzz 1.0.32324+9
−9
(+22)17 − 15
(+13−11=8)
53.1%
17.0 / 32
1.4%
+42
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-bit2324+14
−14
(+22)11 − 21
(+8−18=6)
34.4%
11.0 / 32
2.4%
−99
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
–   Isa 2.0.64 64-bit2321+17
−17
(+19)9.5 − 10.5
(+7−8=5)
47.5%
9.5 / 20
6.3%
0
= 0 = 0 0 = 0 1 1 1 1 = 0 0 0 1 1 = 0 1
–   Barbarossa 0.4.0 64-bit2320+12
−12
(+18)15 − 17
(+12−14=6)
46.9%
15.0 / 32
5.5%
−5
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
–   Mediocre 0.5 64-bit2318+12
−12
(+16)16 − 16
(+13−13=6)
50.0%
16.0 / 32
6.9%
+12
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
–   Absolute Zero 2.4.7.2 64-bit2316+12
−12
(+14)13.5 − 17.5
(+8−12=11)
43.5%
13.5 / 31
9.6%
−27
1 1 0 0 1 = 0 0 0 = = 1 0 = 0 = = 1 0 = = 1 = 1 = 0 0 = 0 0 1
–   Aice 0.99.22316+9
−9
(+14)15.5 − 16.5
(+9−10=13)
48.4%
15.5 / 32
9.2%
+4
= = 0 0 = = = 0 = 1 0 = 1 0 1 1 1 = 1 0 0 = 1 0 = = = = 1 0 1 0
–   Waxman 20172314+16
−16
(+12)16 − 16
(+13−13=6)
50.0%
16.0 / 32
16.0%
+15
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
–   Sungorus 1.4 64-bit2313+9
−9
(+11)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
13.7%
−20
1 1 = = = = 0 0 = 0 1 0 0 1 0 = 1 0 1 0 1 0 0 1 0 0 0 = 1 = = 1
–   Averno 0.812308+9
−9
(+6)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
30.1%
−3
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
–   Kingfisher 1.0 64-bit2305+17
−17
(+3)16 − 16
(+11−11=10)
50.0%
16.0 / 32
40.1%
+4
1 0 0 1 = 1 0 1 0 0 = 0 = 1 1 = 1 1 = = 0 1 0 0 1 = 0 0 = 1 = =
–   KnightX 1.922297+8
−8
(−5)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
72.2%
+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-bit2280+16
−16
(−22)20 − 12
(+16−8=8)
62.5%
20.0 / 32
97.0%
+67
= 1 = 1 1 1 0 = 0 = = 0 1 = 1 0 = = 1 1 1 1 1 1 1 1 0 0 0 1 1 0
–   Rival 1.0.1 64-bit2275+14
−14
(−27)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
99.3%
+6
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
–   Esc 1.162267+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
–   Butcher 1.61 64-bit2266+13
−13
(−36)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
+46
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 1.292262+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 0.142261+8
−8
(−41)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
+33
1 0 1 = 1 1 1 1 1 0 = = 0 = = = 1 0 0 = 1 0 1 = = 1 1 1 = = 0 1
–   FireFly 2.7.2 64-bit2253+15
−15
(−49)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
+35
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
–   Napoleon 1.8 64-bit2250+15
−15
(−52)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
100.0%
−6
= = = = = 1 0 = 1 = = = 1 1 = 0 = = 1 = 0 1 1 = = 0 = 1 0 = 1 1
–   Isa 2.0.61 64-bit2238+18
−18
(−64)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
100.0%
−33
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 June 15, 2019