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 2.1.2 r248 64-bit#250  (2421+17
−18
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 14 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Galjoen 0.40 64-bit2561+17
−17
(+140)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−26
0 0 0 0 = 0 = 0 0 0 = 0 0 0 1 0 0 = 0 1 1 1 = = = 0 0 = 0 = 0 0
–   Axolotl 1.9 64-bit2510+16
−16
(+89)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−13
= = 0 0 = = = 0 1 1 0 1 = 0 0 0 0 1 = 0 0 0 = 0 = 0 0 0 = 1 1 0
–   Stash 19.0 64-bit2498+20
−19
(+77)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+28
1 0 1 0 0 0 1 0 0 0 = 0 1 1 1 0 1 0 0 = 1 = = 1 0 1 0 0 0 = 1 =
–   OliThink 5.5.2 64-bit2466+31
−31
(+45)12 − 17
(+10−15=4)
41.4%
12.0 / 29
0.6%
−22
0 1 0 1 0 = = 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 1 0 = 1 = 0 1
–   Anatoli 0.35k2456+13
−13
(+35)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.1%
−22
0 0 = 0 1 1 1 1 0 = 0 0 1 = 0 0 1 1 1 = 1 0 0 0 0 0 1 = 1 0 0 0
–   LittleThought 1.052 64-bit2452+9
−9
(+31)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
0.1%
+43
1 0 0 0 0 0 1 0 0 = = = = = 0 1 = 1 1 1 0 = 0 = = = 1 1 1 = 1 1
–   Matacz 1.42444+8
−8
(+23)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.8%
0
= 1 1 0 0 0 0 0 1 = 1 1 1 = 1 0 1 0 0 1 0 0 1 0 0 = 1 0 1 0 0 1
–   Wasabi 1.4.0 64-bit2441+20
−20
(+20)17.5 − 32.5
(+12−27=11)
35.0%
17.5 / 50
6.4%
−89
0 0 0 1 1 1 = 0 0 1 1 0 0 0 0 0 0 0 0 0 = = 0 0 0 0 0 0 1 = 0 1 = = 0 0 = = = = 0 1 1 0 0 1 0 = 1 1
–   Lozza 1.18 64-bit2441+15
−15
(+20)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
4.3%
−32
0 0 0 1 0 1 0 = = 1 0 = 0 0 = = 0 = = 1 = 0 = 1 1 0 1 = = 1 0 0
–   Ares 1.005.2 64-bit2440+13
−13
(+19)15.5 − 15.5
(+12−12=7)
50.0%
15.5 / 31
4.2%
+20
1 1 = 0 0 0 1 0 0 0 1 1 0 = 1 = 1 0 0 1 0 0 = = = = 0 1 1 1 1
–   MadChess 2.2 64-bit2439+12
−12
(+18)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
4.9%
+101
1 0 1 = 0 0 = 1 1 1 1 0 1 0 1 1 = 0 1 1 1 0 1 0 1 = 1 0 1 1 0 =
–   SpiderChess 0706032439+7
−7
(+18)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
3.1%
+53
0 0 0 1 0 1 1 1 1 0 0 = = 0 = 0 1 1 1 1 1 1 0 1 0 0 1 0 1 = = 1
–   Tunguska 1.1 64-bit2436+17
−17
(+15)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
11.9%
−61
= = 1 0 0 0 1 0 0 = 1 0 1 = 0 0 1 = 0 1 1 = 0 0 1 0 0 0 = 0 0 1
–   Flux 2.2.12434+19
−19
(+13)13 − 19
(+8−14=10)
40.6%
13.0 / 32
16.3%
−49
0 = 0 = 0 1 0 1 = 1 = 1 0 = 0 0 0 1 1 0 = = 0 1 1 0 = = = 0 0 0
–   Raven 0.90 64-bit2433+18
−18
(+12)15 − 17
(+11−13=8)
46.9%
15.0 / 32
18.2%
−11
0 = = 0 1 0 1 1 0 = 1 = 0 = = 0 1 1 1 0 0 0 = 0 0 = 0 1 1 1 0 1
–   LambChop 10.992432+8
−8
(+11)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
12.7%
+44
0 1 0 0 1 1 = = = 1 1 1 0 1 1 1 1 0 1 0 0 1 1 0 1 0 = 0 1 0 = 0
–   Abrok 5.02432+8
−8
(+11)18 − 14
(+13−9=10)
56.3%
18.0 / 32
14.4%
+53
= 1 = 0 1 = = = 1 0 = 1 0 = 1 1 1 0 0 = 0 0 1 0 1 1 = 1 1 = 1 0
–   King of Kings 2.562431+9
−9
(+10)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
14.7%
+43
1 0 1 0 0 = 0 0 1 1 1 = 0 1 = 1 1 = 0 1 0 0 = 1 = 1 1 0 1 0 = 1
–   Eeyore 1.52 64-bit2428+9
−9
(+7)16 − 16
(+11−11=10)
50.0%
16.0 / 32
26.1%
+5
1 0 = 1 1 0 1 1 = 1 = 0 1 = 0 0 = 0 1 0 1 = = 1 = = 0 0 0 = 1 0
–   OliThink 5.4.0 64-bit2427+20
−20
(+6)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
33.1%
+34
1 1 1 1 0 1 0 = = 1 1 1 = = = 1 0 0 = = 1 = 0 = 1 = = = 0 0 = 0
–   OliThink 5.3.5b 64-bit2425+32
−31
(+4)16.5 − 16.5
(+12−12=9)
50.0%
16.5 / 33
41.7%
+4
1 0 = 1 1 0 0 0 1 0 0 1 0 = 1 = 1 0 0 1 1 1 1 = = = = = = 1 0 0 0
–   Nejmet 3.072423+7
−8
(+2)17 − 15
(+16−14=2)
53.1%
17.0 / 32
42.0%
+25
0 = 0 1 1 1 1 0 0 1 0 1 1 1 1 = 0 1 0 1 0 0 1 1 0 0 0 1 0 1 1 0
–   Gaia 3.5 64-bit2423+8
−8
(+2)14.5 − 16.5
(+12−14=5)
46.8%
14.5 / 31
41.2%
−19
0 = 0 1 1 0 = = 1 0 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 0 1 1 = 1 =
–   Nemeton 1.812423+18
−18
(+2)13 − 19
(+10−16=6)
40.6%
13.0 / 32
45.4%
−66
1 = 0 1 1 0 0 = = 0 0 1 0 1 1 = 0 0 0 0 0 1 = = 1 0 1 0 0 0 1 0
–   Hussar 0.42420+9
−9
(−1)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
53.1%
−59
0 1 0 1 1 1 1 = = 1 = = 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 = 1
–   Dragon 4.62417+8
−8
(−4)19 − 13
(+14−8=10)
59.4%
19.0 / 32
69.0%
+57
1 = 1 1 = 0 = 0 1 1 1 1 1 1 = 1 0 = = 0 1 = 0 0 = = = 0 1 1 0 1
–   OliThink 5.3.0 64-bit2416+12
−12
(−5)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
70.2%
+5
0 = 1 0 1 1 0 0 1 1 0 0 0 1 = = 1 = 1 1 1 1 = 1 0 0 = 0 = 0 = =
–   RomiChess P3n 64-bit2412+14
−14
(−9)16 − 16
(+10−10=12)
50.0%
16.0 / 32
79.4%
−9
0 = 1 0 1 = 0 0 1 1 = 0 1 0 0 1 = = = 1 = 0 = = = 0 1 = 1 1 0 =
–   Simplex 0.9.8 64-bit2407+10
−10
(−14)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
92.5%
0
1 0 0 1 0 1 0 0 0 1 0 0 0 0 = 1 1 1 0 1 1 0 1 1 = 1 0 1 0 = 1 1
–   Ifrit m1.8 64-bit2405+10
−10
(−16)19 − 13
(+15−9=8)
59.4%
19.0 / 32
94.5%
+51
0 = 0 = 0 1 = 1 1 0 0 1 0 1 1 1 1 = 1 1 = 1 1 1 = 0 = 1 0 1 0 =
–   Taltos rev118 64-bit2396+16
−16
(−25)17 − 15
(+12−10=10)
53.1%
17.0 / 32
98.2%
−5
1 1 0 1 1 1 1 1 = = 0 0 = 0 0 1 1 = = 0 0 = 1 0 = = 1 0 = 1 = 0
–   Teki 2 64-bit2387+16
−16
(−34)15 − 17
(+12−14=6)
46.9%
15.0 / 32
99.8%
−58
0 0 0 0 1 1 = = 1 0 0 1 0 0 0 1 1 0 0 = = 1 1 = 0 = 1 0 1 1 0 1
–   Googleplex Starthinker 1.6 64-bit2386+18
−18
(−35)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
99.8%
−68
= 1 1 1 0 = 0 1 0 = = 0 = 1 1 0 1 0 0 0 = = 1 0 1 = 0 0 0 1 0 =
–   Giraffe 20161023 64-bit2370+13
−14
(−51)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−15
1 1 0 1 1 = 1 0 = 0 1 1 0 1 0 0 1 = = 1 0 1 1 0 1 1 0 0 = 1 0 0
–   Dumb 1.4 64-bit2357+20
−20
(−64)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+73
1 1 = 1 1 0 1 1 1 1 = 0 0 1 1 0 1 1 = 1 1 1 1 0 0 1 = 0 0 1 = 1
–   TJchess 1.1 64-bit2336+11
−11
(−85)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+15
1 0 0 1 = 0 1 0 = 1 0 1 1 1 0 = 1 1 = = 1 1 1 = 1 = 0 = 1 = 1 1
–   Raven 0.50 64-bit2079+19
−19
(−342)29 − 3
(+28−2=2)
90.6%
29.0 / 32
100.0%
+59
1 1 1 1 0 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

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