CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Engine Details

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Zevra 2.1.1 r216 64-bit (2378+18
−18
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 14 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Pupsi2 0.09 64-bit2531+20
−20
(+153)10 − 20
(+8−18=4)
33.3%
10.0 / 30
0.0%
+23
= 1 = 0 0 0 0 0 0 = 1 0 1 1 0 1 1 0 0 1 = 0 0 0 0 0 0 0 0 1
–   Jumbo 0.6.96 64-bit2489+16
−16
(+111)16.5 − 23.5
(+12−19=9)
41.3%
16.5 / 40
0.0%
+47
0 = = 0 1 0 = 1 1 0 0 = = 1 0 0 1 = 1 1 0 0 0 = 0 0 0 1 = 1 0 0 1 = 0 1 0 1 0 0
–   Jumbo 0.6.66 64-bit2463+16
−16
(+85)13 − 27
(+8−22=10)
32.5%
13.0 / 40
0.0%
−40
1 1 = 0 1 1 = = 0 1 0 = = 0 0 = 0 0 0 0 = 0 0 = 1 0 1 0 0 1 0 = 0 0 0 0 = 0 0 0
–   Anatoli 0.35k2456+13
−13
(+78)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
0.0%
+89
1 1 = 0 1 0 0 = 1 1 0 0 1 0 1 0 1 1 = 0 1 1 1 1 0 1 1 0 0 0 0 0
–   LittleThought 1.052 64-bit2452+9
−9
(+74)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+50
1 1 0 1 = 0 0 1 1 1 0 0 0 0 1 0 1 = 1 1 0 1 0 = = = 0 1 0 0 = 0
–   Matacz 1.42444+8
−8
(+66)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
0.0%
+104
0 1 1 1 1 1 0 1 1 0 0 0 1 = 1 = 0 0 0 = = = 1 1 1 = 0 0 0 1 1 =
–   Lozza 1.18 64-bit2441+15
−15
(+63)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.0%
+12
1 0 = 0 0 0 0 0 = 0 1 1 1 0 = 0 0 1 1 0 0 1 0 1 1 = 0 0 1 0 1 1
–   Ares 1.005.2 64-bit2440+13
−13
(+62)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−65
0 0 0 0 0 0 = 0 0 = = 0 1 0 = 1 = 1 0 = 0 0 1 = 0 1 0 0 1 1 0 0
–   SpiderChess 0706032439+7
−7
(+61)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+17
1 0 = 1 = 0 1 0 1 0 = 0 1 = 0 = 1 0 0 1 0 = 0 0 = = 1 1 1 0 0 0
–   MadChess 2.2 64-bit2439+12
−12
(+61)13.5 − 18.5
(+12−17=3)
42.2%
13.5 / 32
0.0%
−1
= 0 1 1 0 0 0 0 0 0 0 1 0 = 0 1 0 0 1 0 1 1 1 0 0 1 0 = 1 0 1 1
–   Nemeton 1.82432+15
−15
(+54)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.0%
+43
1 = 1 0 1 0 0 = 1 0 1 0 1 1 0 0 = 1 1 = = 0 0 1 = 1 0 0 0 1 0 =
–   LambChop 10.992432+8
−8
(+54)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.0%
+52
= 1 0 1 0 = 0 0 0 0 = 0 0 1 1 0 1 0 1 = 0 1 = 1 1 1 1 1 = 0 1 0
–   Abrok 5.02432+8
−8
(+54)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
−72
0 0 0 1 0 1 0 0 = 0 = 0 0 0 0 0 1 1 1 = 0 1 0 0 0 1 1 0 = 0 0 1
–   King of Kings 2.562431+9
−9
(+53)16 − 15
(+13−12=6)
51.6%
16.0 / 31
0.0%
+62
0 = = 0 0 = = 0 1 1 1 1 = 0 = 1 0 1 1 1 0 0 1 1 1 1 0 1 0 0 0
–   Eeyore 1.52 64-bit2428+9
−9
(+50)20 − 12
(+16−8=8)
62.5%
20.0 / 32
0.0%
+138
1 1 0 = 1 0 = 1 1 = 1 0 = = 1 1 1 1 1 0 0 1 1 1 = 1 0 0 = = 1 0
–   Nejmet 3.072423+7
−8
(+45)13.5 − 21.5
(+11−19=5)
38.6%
13.5 / 35
0.0%
−44
1 0 = 0 0 1 0 = 0 0 0 1 1 1 1 0 0 0 0 0 1 0 = 0 = 0 0 = 0 0 1 0 1 1 1
–   Gaia 3.5 64-bit2423+8
−8
(+45)12 − 24
(+11−23=2)
33.3%
12.0 / 36
0.0%
−98
1 0 = 1 0 0 1 0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 = 0 1 1 0 0 0 1 0 0 0 0
–   Quark 2.352423+8
−8
(+45)15.5 − 21.5
(+10−16=11)
41.9%
15.5 / 37
0.0%
−10
= 1 0 = = 0 1 0 0 1 = = 0 = = 1 0 0 0 0 1 1 = 0 1 0 = 1 0 = 0 0 0 1 = 1 0
–   Hussar 0.42420+9
−9
(+42)13.5 − 21.5
(+8−16=11)
38.6%
13.5 / 35
0.0%
−37
= 0 0 0 1 = 0 0 1 0 1 = 1 1 = = = = 0 0 = 0 0 = 0 0 0 = 1 1 0 0 1 0 =
–   Snitch 1.6.2 32-bit2417+10
−10
(+39)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
−40
0 0 = 1 = = 1 0 0 0 1 1 = 1 0 = = 0 = 0 0 = 1 0 1 0 0 0 1 0 = 0
–   Dragon 4.62417+8
−8
(+39)18.5 − 16.5
(+15−13=7)
52.9%
18.5 / 35
0.0%
+61
0 0 1 0 1 1 1 1 1 = 1 1 0 0 1 1 = 0 1 = 0 = 0 0 0 0 0 1 = 0 1 1 = = 1
–   RomiChess P3n 64-bit2412+14
−14
(+34)13.5 − 17.5
(+12−16=3)
43.5%
13.5 / 31
0.1%
−20
0 1 0 0 1 0 1 0 1 1 1 1 0 = 1 0 0 1 0 = 0 0 1 0 1 0 = 1 0 0 0
–   FabChess 1.8 64-bit2407+19
−19
(+29)16.5 − 14.5
(+13−11=7)
53.2%
16.5 / 31
1.2%
+48
1 = 0 1 0 1 0 1 0 1 1 0 1 0 = = 1 0 1 1 = 0 = 1 0 1 = 0 = 0 1
–   Simplex 0.9.8 64-bit2407+10
−10
(+29)12.5 − 22.5
(+9−19=7)
35.7%
12.5 / 35
0.2%
−71
0 0 0 = = 0 1 0 1 1 1 = 0 1 = 0 0 1 0 1 0 0 0 0 = 1 0 0 0 = 0 1 0 = 0
–   Ifrit m1.8 64-bit2405+10
−10
(+27)15.5 − 19.5
(+10−14=11)
44.3%
15.5 / 35
0.4%
−14
= 1 0 1 = 1 0 0 1 0 0 = 0 = 0 1 = 1 1 0 0 0 = 1 1 0 0 = = = = 0 0 = 1
–   OliThink 5.3.2 64-bit2402+13
−13
(+24)17.5 − 19.5
(+12−14=11)
47.3%
17.5 / 37
1.4%
+4
1 0 1 0 0 = = = = = 0 0 0 1 1 0 0 0 = 1 = 0 1 1 1 0 0 1 1 = = = 0 1 = 0 1
–   TJchess 1.3 64-bit2398+13
−13
(+20)9.5 − 27.5
(+7−25=5)
25.7%
9.5 / 37
3.2%
−172
0 0 1 0 = = 0 0 1 0 0 = 1 0 0 0 0 0 0 0 1 0 0 1 0 0 = 0 0 0 0 1 0 1 = 0 0
–   Taltos rev118 64-bit2396+16
−16
(+18)16 − 16
(+11−11=10)
50.0%
16.0 / 32
6.6%
+19
= 0 0 0 0 1 1 = = 1 0 0 0 = = 0 1 = = 0 1 1 = = = 1 1 1 1 1 0 0
–   Bearded N44.5 64-bit2393+17
−17
(+15)19.5 − 16.5
(+17−14=5)
54.2%
19.5 / 36
11.9%
+47
1 0 1 0 0 = 0 0 1 0 1 0 1 = 1 1 1 = 1 1 0 1 0 = 1 0 1 1 1 1 0 0 0 1 = 0
–   KnightDreamer 3.32393+10
−11
(+15)14.5 − 21.5
(+8−15=13)
40.3%
14.5 / 36
7.8%
−46
= = 1 = = 0 = 0 1 = 0 = 1 = 1 = 0 = 0 0 0 0 0 1 0 0 1 = = 0 = 1 0 0 1 0
–   PostModernist 10162390+10
−10
(+12)18 − 20
(+11−13=14)
47.4%
18.0 / 38
11.9%
−4
= 0 = 0 = = = 1 1 = 1 0 0 0 1 1 0 = 1 = 1 0 0 0 1 = 1 = = 0 = 1 0 1 = 0 0 =
–   Axolotl 1.8 64-bit2389+18
−18
(+11)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
19.2%
−1
1 1 0 1 1 = = = 0 0 0 1 1 0 0 0 1 0 1 = 0 0 = 1 0 0 1 0 0 1 1 1
–   Typhoon 1.00-358 64-bit2381+24
−24
(+3)15.5 − 19.5
(+12−16=7)
44.3%
15.5 / 35
42.4%
−39
1 = 0 0 = 0 0 0 0 = = = 0 0 1 1 = 1 1 0 1 1 1 0 = 1 1 0 0 0 1 0 0 0 1
–   Giraffe 20161023 64-bit2370+13
−14
(−8)21.5 − 15.5
(+19−13=5)
58.1%
21.5 / 37
75.7%
+57
= 1 1 1 0 1 0 1 1 0 0 0 1 0 1 = 0 0 1 1 0 1 1 0 0 0 1 1 1 = 1 0 1 = = 1 1
–   WChess 1.062365+20
−20
(−13)14 − 18
(+10−14=8)
43.8%
14.0 / 32
83.0%
−58
0 = = = 1 0 1 = 0 1 0 1 0 1 1 0 0 = 1 1 1 0 0 1 0 0 = 0 0 = = 0

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Created in 2005-2013 by CCRL team
Last games added on April 17, 2021