CCRL 40/4
Downloads and Statistics
April 13, 2019
Testing summary:
Total: 1'978'909 games
played by 2'316 programs
26642 CPU days (X2 4600+)

White wins: 772'756 (39.0%)
Black wins: 624'315 (31.5%)
Draws: 581'838 (29.4%)
White score: 53.8%

Engine Details

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Zevra 2.1.1 r216 64-bit (2377+18
−18
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 13 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Jumbo 0.6.96 64-bit2486+17
−17
(+109)16.5 − 23.5
(+12−19=9)
41.3%
16.5 / 40
0.0%
+45
0 = = 0 1 0 = 1 1 0 0 = = 1 0 0 1 = 1 1 0 0 0 = 0 0 0 1 = 1 0 0 1 = 0 1 0 1 0 0
–   Jumbo 0.6.66 64-bit2464+15
−15
(+87)13 − 27
(+8−22=10)
32.5%
13.0 / 40
0.0%
−38
1 1 = 0 1 1 = = 0 1 0 = = 0 0 = 0 0 0 0 = 0 0 = 1 0 1 0 0 1 0 = 0 0 0 0 = 0 0 0
–   Anatoli 0.35k2455+15
−15
(+78)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
0.0%
+89
1 1 = 0 1 0 0 = 1 1 0 0 1 0 1 0 1 1 = 0 1 1 1 1 0 1 1 0 0 0 0 0
–   LittleThought 1.052 64-bit2454+9
−9
(+77)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+53
1 1 0 1 = 0 0 1 1 1 0 0 0 0 1 0 1 = 1 1 0 1 0 = = = 0 1 0 0 = 0
–   Matacz 1.42446+8
−8
(+69)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
0.0%
+107
0 1 1 1 1 1 0 1 1 0 0 0 1 = 1 = 0 0 0 = = = 1 1 1 = 0 0 0 1 1 =
–   Lozza 1.18 64-bit2441+17
−17
(+64)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.0%
+13
1 0 = 0 0 0 0 0 = 0 1 1 1 0 = 0 0 1 1 0 0 1 0 1 1 = 0 0 1 0 1 1
–   SpiderChess 0706032439+7
−7
(+62)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+18
1 0 = 1 = 0 1 0 1 0 = 0 1 = 0 = 1 0 0 1 0 = 0 0 = = 1 1 1 0 0 0
–   Ares 1.005.2 64-bit2439+13
−13
(+62)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−65
0 0 0 0 0 0 = 0 0 = = 0 1 0 = 1 = 1 0 = 0 0 1 = 0 1 0 0 1 1 0 0
–   MadChess 2.2 64-bit2436+14
−14
(+59)13.5 − 18.5
(+12−17=3)
42.2%
13.5 / 32
0.0%
−3
= 0 1 1 0 0 0 0 0 0 0 1 0 = 0 1 0 0 1 0 1 1 1 0 0 1 0 = 1 0 1 1
–   Abrok 5.02434+9
−9
(+57)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
−69
0 0 0 1 0 1 0 0 = 0 = 0 0 0 0 0 1 1 1 = 0 1 0 0 0 1 1 0 = 0 0 1
–   LambChop 10.992434+8
−8
(+57)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.0%
+55
= 1 0 1 0 = 0 0 0 0 = 0 0 1 1 0 1 0 1 = 0 1 = 1 1 1 1 1 = 0 1 0
–   Nemeton 1.82433+15
−15
(+56)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.0%
+45
1 = 1 0 1 0 0 = 1 0 1 0 1 1 0 0 = 1 1 = = 0 0 1 = 1 0 0 0 1 0 =
–   King of Kings 2.562433+9
−9
(+56)16 − 15
(+13−12=6)
51.6%
16.0 / 31
0.0%
+65
0 = = 0 0 = = 0 1 1 1 1 = 0 = 1 0 1 1 1 0 0 1 1 1 1 0 1 0 0 0
–   Eeyore 1.52 64-bit2427+10
−10
(+50)20 − 12
(+16−8=8)
62.5%
20.0 / 32
0.0%
+138
1 1 0 = 1 0 = 1 1 = 1 0 = = 1 1 1 1 1 0 0 1 1 1 = 1 0 0 = = 1 0
–   Gaia 3.5 64-bit2425+9
−9
(+48)12 − 24
(+11−23=2)
33.3%
12.0 / 36
0.0%
−95
1 0 = 1 0 0 1 0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 = 0 1 1 0 0 0 1 0 0 0 0
–   Nejmet 3.072425+8
−8
(+48)13.5 − 21.5
(+11−19=5)
38.6%
13.5 / 35
0.0%
−41
1 0 = 0 0 1 0 = 0 0 0 1 1 1 1 0 0 0 0 0 1 0 = 0 = 0 0 = 0 0 1 0 1 1 1
–   Quark 2.352423+9
−9
(+46)15.5 − 21.5
(+10−16=11)
41.9%
15.5 / 37
0.0%
−9
= 1 0 = = 0 1 0 0 1 = = 0 = = 1 0 0 0 0 1 1 = 0 1 0 = 1 0 = 0 0 0 1 = 1 0
–   Snitch 1.6.2 32-bit2419+10
−10
(+42)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
−37
0 0 = 1 = = 1 0 0 0 1 1 = 1 0 = = 0 = 0 0 = 1 0 1 0 0 0 1 0 = 0
–   Dragon 4.62419+8
−8
(+42)18.5 − 16.5
(+15−13=7)
52.9%
18.5 / 35
0.0%
+64
0 0 1 0 1 1 1 1 1 = 1 1 0 0 1 1 = 0 1 = 0 = 0 0 0 0 0 1 = 0 1 1 = = 1
–   Hussar 0.42418+9
−10
(+41)13.5 − 21.5
(+8−16=11)
38.6%
13.5 / 35
0.0%
−38
= 0 0 0 1 = 0 0 1 0 1 = 1 1 = = = = 0 0 = 0 0 = 0 0 0 = 1 1 0 0 1 0 =
–   RomiChess P3n 64-bit2414+15
−15
(+37)13.5 − 17.5
(+12−16=3)
43.5%
13.5 / 31
0.1%
−17
0 1 0 0 1 0 1 0 1 1 1 1 0 = 1 0 0 1 0 = 0 0 1 0 1 0 = 1 0 0 0
–   Simplex 0.9.8 64-bit2410+10
−11
(+33)12.5 − 22.5
(+9−19=7)
35.7%
12.5 / 35
0.1%
−67
0 0 0 = = 0 1 0 1 1 1 = 0 1 = 0 0 1 0 1 0 0 0 0 = 1 0 0 0 = 0 1 0 = 0
–   Taltos rev118 64-bit2407+20
−20
(+30)16 − 16
(+11−11=10)
50.0%
16.0 / 32
1.4%
+31
= 0 0 0 0 1 1 = = 1 0 0 0 = = 0 1 = = 0 1 1 = = = 1 1 1 1 1 0 0
–   OliThink 5.3.2 64-bit2401+13
−13
(+24)17.5 − 19.5
(+12−14=11)
47.3%
17.5 / 37
1.6%
+4
1 0 1 0 0 = = = = = 0 0 0 1 1 0 0 0 = 1 = 0 1 1 1 0 0 1 1 = = = 0 1 = 0 1
–   Ifrit m1.8 64-bit2401+11
−11
(+24)15.5 − 19.5
(+10−14=11)
44.3%
15.5 / 35
1.2%
−17
= 1 0 1 = 1 0 0 1 0 0 = 0 = 0 1 = 1 1 0 0 0 = 1 1 0 0 = = = = 0 0 = 1
–   TJchess 1.3 64-bit2399+15
−15
(+22)9.5 − 27.5
(+7−25=5)
25.7%
9.5 / 37
3.1%
−170
0 0 1 0 = = 0 0 1 0 0 = 1 0 0 0 0 0 0 0 1 0 0 1 0 0 = 0 0 0 0 1 0 1 = 0 0
–   KnightDreamer 3.32395+11
−11
(+18)14.5 − 21.5
(+8−15=13)
40.3%
14.5 / 36
4.9%
−43
= = 1 = = 0 = 0 1 = 0 = 1 = 1 = 0 = 0 0 0 0 0 1 0 0 1 = = 0 = 1 0 0 1 0
–   Bearded N44.5 64-bit2391+18
−18
(+14)19.5 − 16.5
(+17−14=5)
54.2%
19.5 / 36
13.0%
+46
1 0 1 0 0 = 0 0 1 0 1 0 1 = 1 1 1 = 1 1 0 1 0 = 1 0 1 1 1 1 0 0 0 1 = 0
–   PostModernist 10162389+10
−10
(+12)18 − 20
(+11−13=14)
47.4%
18.0 / 38
12.0%
−4
= 0 = 0 = = = 1 1 = 1 0 0 0 1 1 0 = 1 = 1 0 0 0 1 = 1 = = 0 = 1 0 1 = 0 0 =
–   Typhoon 1.00-358 64-bit2384+27
−27
(+7)15.5 − 19.5
(+12−16=7)
44.3%
15.5 / 35
32.6%
−35
1 = 0 0 = 0 0 0 0 = = = 0 0 1 1 = 1 1 0 1 1 1 0 = 1 1 0 0 0 1 0 0 0 1
–   WChess 1.062369+19
−19
(−8)14 − 18
(+10−14=8)
43.8%
14.0 / 32
72.7%
−53
0 = = = 1 0 1 = 0 1 0 1 0 1 1 0 0 = 1 1 1 0 0 1 0 0 = 0 0 = = 0
–   Giraffe 20161023 64-bit2368+14
−14
(−9)21.5 − 15.5
(+19−13=5)
58.1%
21.5 / 37
77.1%
+56
= 1 1 1 0 1 0 1 1 0 0 0 1 0 1 = 0 0 1 1 0 1 1 0 0 0 1 1 1 = 1 0 1 = = 1 1

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Created in 2005-2013 by CCRL team
Last games added on April 13, 2019