CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Zevra 2.1.2 r248 64-bit#221‑222  (2426+20
−20
)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-bit2575+28
−27
(+149)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−16
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-bit2492+28
−28
(+66)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−36
= = 0 0 = = = 0 1 1 0 1 = 0 0 0 0 1 = 0 0 0 = 0 = 0 0 0 = 1 1 0
–   Anatoli 0.35k2454+15
−15
(+28)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
1.2%
−29
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
(+26)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
1.0%
+38
1 0 0 0 0 0 1 0 0 = = = = = 0 1 = 1 1 1 0 = 0 = = = 1 1 1 = 1 1
–   Matacz 1.42446+8
−8
(+20)15 − 17
(+13−15=4)
46.9%
15.0 / 32
3.7%
−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
–   Tunguska 1.1 64-bit2445+20
−20
(+19)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
8.8%
−57
= = 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
–   Lozza 1.18 64-bit2445+16
−16
(+19)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
7.6%
−33
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-bit2441+13
−13
(+15)15.5 − 15.5
(+12−12=7)
50.0%
15.5 / 31
11.3%
+16
1 1 = 0 0 0 1 0 0 0 1 1 0 = 1 = 1 0 0 1 0 0 = = = = 0 1 1 1 1
–   Nemeton 1.812439+25
−25
(+13)13 − 19
(+10−16=6)
40.6%
13.0 / 32
22.3%
−55
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
–   SpiderChess 0706032439+7
−7
(+13)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
11.6%
+48
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-bit2436+14
−14
(+10)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
22.0%
+93
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 =
–   Abrok 5.02435+9
−9
(+9)18 − 14
(+13−9=10)
56.3%
18.0 / 32
20.5%
+50
= 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 2.562434+9
−9
(+8)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
25.6%
+41
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
–   LambChop 10.992434+8
−8
(+8)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
24.5%
+41
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
–   Eeyore 1.52 64-bit2427+10
−10
(+1)16 − 16
(+11−11=10)
50.0%
16.0 / 32
49.2%
0
1 0 = 1 1 0 1 1 = 1 = 0 1 = 0 0 = 0 1 0 1 = = 1 = = 0 0 0 = 1 0
–   Flux 2.2.12426+25
−25
(0)13 − 19
(+8−14=10)
40.6%
13.0 / 32
50.1%
−62
0 = 0 = 0 1 0 1 = 1 = 1 0 = 0 0 0 1 1 0 = = 0 1 1 0 = = = 0 0 0
–   Gaia 3.5 64-bit2425+9
−9
(−1)14.5 − 16.5
(+12−14=5)
46.8%
14.5 / 31
55.2%
−22
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 3.072425+8
−8
(−1)17 − 15
(+16−14=2)
53.1%
17.0 / 32
55.8%
+22
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 0.42419+9
−9
(−7)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
75.2%
−65
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
(−9)19 − 13
(+14−8=10)
59.4%
19.0 / 32
80.3%
+52
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-bit2417+12
−12
(−9)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
77.8%
+1
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-bit2415+14
−15
(−11)16 − 16
(+10−10=12)
50.0%
16.0 / 32
82.8%
−11
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-bit2410+10
−10
(−16)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
93.3%
−2
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
–   Taltos rev118 64-bit2405+19
−19
(−21)17 − 15
(+12−10=10)
53.1%
17.0 / 32
93.9%
−1
1 1 0 1 1 1 1 1 = = 0 0 = 0 0 1 1 = = 0 0 = 1 0 = = 1 0 = 1 = 0
–   Ifrit m1.8 64-bit2403+11
−11
(−23)19 − 13
(+15−9=8)
59.4%
19.0 / 32
98.2%
+44
0 = 0 = 0 1 = 1 1 0 0 1 0 1 1 1 1 = 1 1 = 1 1 1 = 0 = 1 0 1 0 =
–   Teki 2 64-bit2392+17
−17
(−34)15 − 17
(+12−14=6)
46.9%
15.0 / 32
99.5%
−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
–   Giraffe 20161023 64-bit2369+14
−14
(−57)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−21
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
–   TJchess 1.1 64-bit2338+12
−11
(−88)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+12
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
(−346)29 − 3
(+28−2=2)
90.6%
29.0 / 32
100.0%
+55
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 14, 2019