CCRL Blitz
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 2'370'030 games
played by 2'800 programs

White wins: 913'140 (38.5%)
Black wins: 734'658 (31.0%)
Draws: 722'232 (30.5%)
White score: 53.8%

Engine Details

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Zevra 2.1.2 r248 64-bit#241  (2422+18
−17
)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-bit2564+17
−17
(+142)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−24
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-bit2508+17
−17
(+86)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−16
= = 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
(+76)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+27
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-bit2467+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 0.35k2458+14
−14
(+36)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.1%
−21
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-bit2453+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 1.42445+8
−8
(+23)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.9%
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-bit2442+20
−20
(+20)17.5 − 32.5
(+12−27=11)
35.0%
17.5 / 50
7.0%
−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-bit2442+15
−15
(+20)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
4.0%
−32
0 0 0 1 0 1 0 = = 1 0 = 0 0 = = 0 = = 1 = 0 = 1 1 0 1 = = 1 0 0
–   Flux 2.2.12441+20
−20
(+19)13 − 19
(+8−14=10)
40.6%
13.0 / 32
8.2%
−43
0 = 0 = 0 1 0 1 = 1 = 1 0 = 0 0 0 1 1 0 = = 0 1 1 0 = = = 0 0 0
–   Ares 1.005.2 64-bit2441+13
−13
(+19)15.5 − 15.5
(+12−12=7)
50.0%
15.5 / 31
4.4%
+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
–   Tunguska 1.1 64-bit2439+18
−18
(+17)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
9.0%
−59
= = 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
–   SpiderChess 0706032439+7
−7
(+17)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
3.5%
+52
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
–   MadChess 2.2 64-bit2437+13
−13
(+15)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
8.5%
+98
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 =
–   Raven 0.90 64-bit2433+18
−18
(+11)15 − 17
(+11−13=8)
46.9%
15.0 / 32
19.2%
−12
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 10.992433+8
−8
(+11)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
12.6%
+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
–   King of Kings 2.562433+9
−9
(+11)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
13.6%
+44
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
–   Abrok 5.02432+8
−8
(+10)18 − 14
(+13−9=10)
56.3%
18.0 / 32
14.8%
+52
= 1 = 0 1 = = = 1 0 = 1 0 = 1 1 1 0 0 = 0 0 1 0 1 1 = 1 1 = 1 0
–   Eeyore 1.52 64-bit2429+9
−9
(+7)16 − 16
(+11−11=10)
50.0%
16.0 / 32
25.0%
+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+19
−19
(+5)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
35.1%
+33
1 1 1 1 0 1 0 = = 1 1 1 = = = 1 0 0 = = 1 = 0 = 1 = = = 0 0 = 0
–   Nemeton 1.812425+18
−18
(+3)13 − 19
(+10−16=6)
40.6%
13.0 / 32
40.1%
−65
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
–   OliThink 5.3.5b 64-bit2425+32
−31
(+3)16.5 − 16.5
(+12−12=9)
50.0%
16.5 / 33
44.7%
+3
1 0 = 1 1 0 0 0 1 0 0 1 0 = 1 = 1 0 0 1 1 1 1 = = = = = = 1 0 0 0
–   Gaia 3.5 64-bit2424+8
−8
(+2)14.5 − 16.5
(+12−14=5)
46.8%
14.5 / 31
42.4%
−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 =
–   Nejmet 3.072424+8
−8
(+2)17 − 15
(+16−14=2)
53.1%
17.0 / 32
43.0%
+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
–   Hussar 0.42421+9
−9
(−1)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
54.3%
−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
−7
(−5)19 − 13
(+14−8=10)
59.4%
19.0 / 32
69.4%
+56
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
(−6)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
71.0%
+4
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
(−10)16 − 16
(+10−10=12)
50.0%
16.0 / 32
81.7%
−10
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
(−15)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
93.7%
−1
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-bit2406+10
−10
(−16)19 − 13
(+15−9=8)
59.4%
19.0 / 32
94.3%
+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-bit2397+17
−17
(−25)17 − 15
(+12−10=10)
53.1%
17.0 / 32
98.3%
−5
1 1 0 1 1 1 1 1 = = 0 0 = 0 0 1 1 = = 0 0 = 1 0 = = 1 0 = 1 = 0
–   Googleplex Starthinker 1.6 64-bit2390+19
−18
(−32)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
99.4%
−65
= 1 1 1 0 = 0 1 0 = = 0 = 1 1 0 1 0 0 0 = = 1 0 1 = 0 0 0 1 0 =
–   Teki 2 64-bit2387+16
−16
(−35)15 − 17
(+12−14=6)
46.9%
15.0 / 32
99.8%
−59
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
–   Giraffe 20161023 64-bit2371+14
−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-bit2359+20
−20
(−63)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+74
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-bit2337+12
−12
(−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-bit2080+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 September 19, 2020