CCRL Blitz
Downloads and Statistics
May 9, 2021
Testing summary:
Total: 2'520'531 games
played by 3'005 programs

White wins: 968'591 (38.4%)
Black wins: 775'557 (30.8%)
Draws: 776'383 (30.8%)
White score: 53.8%

Engine Details

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Zevra 2.1.2 r248 64-bit#254  (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-bit2561+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-bit2512+15
−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+20
−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 0.35k2454+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-bit2453+9
−9
(+34)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
0.0%
+46
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
(+25)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.4%
+2
= 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
2.7%
−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
2.5%
+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
1.6%
+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
3.5%
+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
9.2%
−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
11.6%
−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
13.4%
−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
8.5%
+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 5.02431+8
−8
(+12)18 − 14
(+13−9=10)
56.3%
18.0 / 32
9.3%
+54
= 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
(+12)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
9.6%
+45
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-bit2427+9
−9
(+8)16 − 16
(+11−11=10)
50.0%
16.0 / 32
18.8%
+6
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
(+8)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
26.4%
+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
37.0%
+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-bit2423+8
−8
(+4)14.5 − 16.5
(+12−14=5)
46.8%
14.5 / 31
32.7%
−17
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
(+4)13 − 19
(+10−16=6)
40.6%
13.0 / 32
38.0%
−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
–   Nejmet 3.072423+8
−7
(+4)17 − 15
(+16−14=2)
53.1%
17.0 / 32
32.3%
+27
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
(+2)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
40.6%
−56
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+7
−8
(−2)19 − 13
(+14−8=10)
59.4%
19.0 / 32
57.9%
+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-bit2415+12
−12
(−4)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
62.4%
+6
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
(−7)16 − 16
(+10−10=12)
50.0%
16.0 / 32
73.3%
−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
88.8%
+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
91.3%
+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-bit2395+16
−16
(−24)17 − 15
(+12−10=10)
53.1%
17.0 / 32
97.9%
−4
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-bit2390+16
−16
(−29)15 − 17
(+12−14=6)
46.9%
15.0 / 32
99.4%
−53
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-bit2389+17
−17
(−30)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
99.3%
−63
= 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-bit2372+13
−13
(−47)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−11
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-bit2336+12
−11
(−83)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+17
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
(−340)29 − 3
(+28−2=2)
90.6%
29.0 / 32
100.0%
+61
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 May 9, 2021