CCRL Blitz
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 2'515'858 games
played by 2'996 programs

White wins: 966'865 (38.4%)
Black wins: 774'272 (30.8%)
Draws: 774'721 (30.8%)
White score: 53.8%

Engine Details

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Zevra 2.1.2 r248 64-bit#253  (2419+17
−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-bit2562+17
−17		(+143)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−23
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-bit2512+16
−15		(+93)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−9
= = 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+19
−19		(+79)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+30
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		(+47)12 − 17
(+10−15=4)		41.4%
12.0 / 29
0.4%
−20
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
–   Loki 3.0.0 64-bit2461+20
−20		(+42)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.1%
−97
0 = = 0 1 0 1 0 1 1 0 0 0 0 0 = 0 = = 0 0 0 1 0 0 0 0 = 1 0 1 0
–   Anatoli 0.35k2455+13
−13		(+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-bit2454+9
−9		(+35)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
0.0%
+47
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		(+26)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.4%
+3
= 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		(+22)17.5 − 32.5
(+12−27=11)
35.0%
17.5 / 50
4.4%
−87
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		(+22)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
2.6%
−30
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		(+21)15.5 − 15.5
(+12−12=7)
50.0%
15.5 / 31
2.4%
+22
1 1 = 0 0 0 1 0 0 0 1 1 0 = 1 = 1 0 0 1 0 0 = = = = 0 1 1 1 1
–   SpiderChess 0706032439+7
−7		(+20)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
1.5%
+55
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-bit2438+12
−12		(+19)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
3.4%
+102
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 =
–   Tunguska 1.1 64-bit2435+17
−17		(+16)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
8.9%
−60
= = 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		(+15)13 − 19
(+8−14=10)
40.6%
13.0 / 32
11.4%
−47
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		(+14)15 − 17
(+11−13=8)
46.9%
15.0 / 32
13.3%
−9
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		(+13)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
8.2%
+46
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		(+13)18 − 14
(+13−9=10)
56.3%
18.0 / 32
8.9%
+55
= 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 2.562432+9
−9		(+13)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
9.2%
+46
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		(+9)16 − 16
(+11−11=10)
50.0%
16.0 / 32
18.3%
+7
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
−19		(+8)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
26.2%
+36
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		(+6)16.5 − 16.5
(+12−12=9)
50.0%
16.5 / 33
36.6%
+6
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		(+5)14.5 − 16.5
(+12−14=5)
46.8%
14.5 / 31
32.0%
−16
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
−7		(+5)17 − 15
(+16−14=2)
53.1%
17.0 / 32
31.6%
+28
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
–   Nemeton 1.812423+18
−18		(+4)13 − 19
(+10−16=6)
40.6%
13.0 / 32
37.5%
−64
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 0.42422+9
−9		(+3)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
39.9%
−55
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		(−2)19 − 13
(+14−8=10)
59.4%
19.0 / 32
57.1%
+59
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		(−3)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
61.7%
+7
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
−13		(−7)16 − 16
(+10−10=12)
50.0%
16.0 / 32
72.9%
−7
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		(−12)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
87.9%
+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-bit2405+10
−10		(−14)19 − 13
(+15−9=8)
59.4%
19.0 / 32
91.9%
+53
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		(−23)17 − 15
(+12−10=10)
53.1%
17.0 / 32
97.2%
−3
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-bit2388+16
−16		(−31)15 − 17
(+12−14=6)
46.9%
15.0 / 32
99.6%
−55
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		(−33)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
99.6%
−66
= 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-bit2371+13
−13		(−48)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−12
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		(−62)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+75
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		(−82)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+18
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		(−339)29 − 3
(+28−2=2)
90.6%
29.0 / 32
100.0%
+62
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
1230 games: 468 wins, 483 losses, 279 draws (22.7%), score: 49.4%

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Created in 2005-2013 by CCRL team
Last games added on May 1, 2021