CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Zevra 2.1.1 r216 64-bit#248  (2382+18
−18
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 5 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Dorky 4.8 64-bit2553+15
−15
(+171)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
+57
–   AnMon 5.662531+21
−21
(+149)3 − 3
(+2−2=2)
50.0%
3.0 / 6
0.0%
+149
–   Orion 0.5 64-bit2526+14
−14
(+144)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−3
–   Bagatur 1.5f 64-bit2525+18
−18
(+143)11.5 − 26.5
(+7−22=9)
30.3%
11.5 / 38
0.0%
+2
–   Bagatur 1.6c 64-bit2522+22
−22
(+140)8.5 − 23.5
(+3−18=11)
26.6%
8.5 / 32
0.0%
−17
–   Bagatur 1.5g 64-bit2488+27
−27
(+106)13 − 27
(+7−21=12)
32.5%
13.0 / 40
0.0%
−11
–   Trace 1.362481+20
−20
(+99)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
−19
–   Nemeton 1.812477+39
−39
(+95)0.5 − 5.5
(+0−5=1)
8.3%
0.5 / 6
0.0%
−264
–   WyldChess 1.2 64-bit2466+26
−26
(+84)5 − 1
(+4−0=2)
83.3%
5.0 / 6
0.0%
+311
–   Lozza 1.18 64-bit2466+17
−17
(+84)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−177
–   Nemeton 1.82458+17
−17
(+76)13 − 27
(+10−24=6)
32.5%
13.0 / 40
0.0%
−60
–   Topple 0.2.1 64-bit2457+18
−18
(+75)2 − 6
(+0−4=4)
25.0%
2.0 / 8
0.0%
−75
–   FrankWalter 2.2.8 64-bit2456+20
−20
(+74)9.5 − 36.5
(+5−32=9)
20.7%
9.5 / 46
0.0%
−151
–   Axolotl 1.8 64-bit2446+20
−20
(+64)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−86
–   Tunguska 1.1 64-bit2446+26
−26
(+64)7 − 11
(+5−9=4)
38.9%
7.0 / 18
0.0%
−18
–   FrankWalter 2.3.3 64-bit2445+20
−20
(+63)20.5 − 19.5
(+16−15=9)
51.3%
20.5 / 40
0.0%
+71
–   Bumblebee 1.0.36898e1 64-bit2445+19
−19
(+63)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+35
–   Mephisto Gideon Professional2444+27
−28
(+62)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.0%
−144
–   Eeyore 1.52 64-bit2444+18
−18
(+62)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
0.0%
+9
–   Teki 2 64-bit2440+17
−17
(+58)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−84
–   Arasan 10.12438+28
−28
(+56)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
0.0%
+203
–   Nemeton 1.62437+24
−24
(+55)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
0.0%
+124
–   Snitch 1.6.2 64-bit2435+22
−22
(+53)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.0%
−20
–   Bearded N44.5 64-bit2435+21
−21
(+53)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
0.0%
+25
–   Taltos rev118 64-bit2434+20
−19
(+52)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+52
–   King of Kings 2.562430+23
−23
(+48)2 − 0
(+2−0=0)
100.0%
2.0 / 2
0.1%
+INF
–   GreKo 7.2 32-bit2428+33
−33
(+46)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.9%
−13
–   Cmcchess 2.6 64-bit2419+17
−17
(+37)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.2%
+37
–   PostModernist 10162419+19
−19
(+37)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
0.3%
+189
–   Gaia 3.5 64-bit2413+22
−22
(+31)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
1.8%
−38
–   RomiChess P3n 64-bit2413+14
−14
(+31)5 − 13
(+3−11=4)
27.8%
5.0 / 18
0.4%
−133
–   Ifrit m1.8 64-bit2411+18
−18
(+29)2 − 4
(+1−3=2)
33.3%
2.0 / 6
1.3%
−81
–   KnightDreamer 3.32409+32
−32
(+27)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
7.6%
+287
–   Jonesy 1.0 64-bit2409+21
−21
(+27)2 − 2
(+1−1=2)
50.0%
2.0 / 4
2.9%
+37
–   Diablo 0.5.12409+18
−18
(+27)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
1.8%
−130
–   Queen 4.032408+18
−18
(+26)3 − 3
(+2−2=2)
50.0%
3.0 / 6
2.3%
+26
–   Dragon 4.62404+17
−18
(+22)3 − 3
(+3−3=0)
50.0%
3.0 / 6
4.1%
+22
–   Patzer 3.802402+20
−20
(+20)1 − 1
(+1−1=0)
50.0%
1.0 / 2
7.7%
+20
–   Myrddin 0.87 64-bit2394+14
−14
(+12)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
15.4%
−74
–   Popochin 4.1 64-bit2391+18
−18
(+9)1 − 7
(+1−7=0)
12.5%
1.0 / 8
23.6%
−376
–   Amateur 2.822389+20
−20
(+7)4 − 2
(+3−1=2)
66.7%
4.0 / 6
32.3%
+117
–   Galjoen 0.39 64-bit2384+17
−17
(+2)7 − 5
(+6−4=2)
58.3%
7.0 / 12
43.5%
+65
–   Ares GB 64-bit2384+15
−15
(+2)20 − 26
(+15−21=10)
43.5%
20.0 / 46
43.5%
−46
–   Comet B682383+19
−19
(+1)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
48.3%
+46
–   Thor's Hammer 2.28 32-bit2383+23
−23
(+1)3 − 3
(+2−2=2)
50.0%
3.0 / 6
49.0%
+1
–   Isa 2.0.83 64-bit2372+66
−66
(−10)4 − 4
(+3−3=2)
50.0%
4.0 / 8
61.2%
−16
–   Amateur 2.862370+24
−24
(−12)16 − 16
(+13−13=6)
50.0%
16.0 / 32
80.0%
−10
–   Jumbo 0.5.3 64-bit2370+27
−27
(−12)4 − 2
(+4−2=0)
66.7%
4.0 / 6
77.7%
+137
–   Waxman 20172369+17
−17
(−13)6 − 6
(+4−4=4)
50.0%
6.0 / 12
86.6%
−9
–   Isa 2.0.64 64-bit2359+16
−16
(−23)6.5 − 5.5
(+6−5=1)
54.2%
6.5 / 12
97.3%
+9
–   Plisk 0.2.7d 64-bit2358+20
−20
(−24)3 − 3
(+3−3=0)
50.0%
3.0 / 6
96.4%
−24
–   RomiChess P3m 64-bit2354+28
−28
(−28)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
95.3%
−223
–   Dirty 0.99z2352+34
−34
(−30)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
93.9%
+38
–   KnightX 1.94 64-bit2350+22
−22
(−32)3 − 1
(+3−1=0)
75.0%
3.0 / 4
98.6%
+195
–   Napoleon 1.8 64-bit2338+17
−17
(−44)8 − 4
(+5−1=6)
66.7%
8.0 / 12
100.0%
+55
–   Asterisk 0.62330+18
−18
(−52)3 − 3
(+3−3=0)
50.0%
3.0 / 6
100.0%
−52
–   FireFly 2.7.2 64-bit2329+16
−16
(−53)7 − 7
(+4−4=6)
50.0%
7.0 / 14
100.0%
−53
–   Der Bringer 1.92322+23
−23
(−60)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
+115
–   Googleplex Starthinker 1.4 64-bit2320+18
−18
(−62)35 − 13
(+29−7=12)
72.9%
35.0 / 48
100.0%
+104
–   WChess 1.062320+15
−15
(−62)23.5 − 16.5
(+17−10=13)
58.8%
23.5 / 40
100.0%
−1
–   KnightX 1.93 64-bit2319+20
−20
(−63)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+29
–   EveAnn 1.71a2318+21
−21
(−64)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+28
–   EveAnn 1.722318+16
−16
(−64)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
100.0%
−10
–   Averno 0.812312+18
−19
(−70)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
+77
–   RubiChess 0.7 64-bit2302+25
−25
(−80)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
100.0%
−132
–   Rival 1.0.1 64-bit2301+24
−23
(−81)17.5 − 12.5
(+15−10=5)
58.3%
17.5 / 30
100.0%
−16
–   CT800 1.34 64-bit2300+23
−23
(−82)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
+38
–   Joker 1.1.142300+19
−19
(−82)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
+68
–   Sungorus 1.4 64-bit2298+18
−18
(−84)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
100.0%
−143
–   Chaturanga 2.4.32289+19
−19
(−93)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−86
–   Invictus r228 64-bit2289+18
−18
(−93)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
100.0%
−52
–   Matilde 2008 64-bit2288+23
−23
(−94)5 − 1
(+5−1=0)
83.3%
5.0 / 6
100.0%
+229
–   AliChess 4.252283+20
−20
(−99)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
100.0%
−166
–   Kingfisher 1.0 64-bit2279+29
−29
(−103)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
100.0%
−50
–   Barbarossa 0.5.0 64-bit2275+19
−19
(−107)27 − 17
(+25−15=4)
61.4%
27.0 / 44
100.0%
−15
–   Zevra 1.8.6 r672 64-bit2268+20
−21
(−114)43 − 17
(+32−6=22)
71.7%
43.0 / 60
100.0%
+28
–   Ayito 0.2.9942264+21
−21
(−118)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+78
–   CT800 1.30 64-bit2255+20
−20
(−127)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
+23
–   RattateChess 1.0 Nosferatu2251+19
−19
(−131)3 − 3
(+2−2=2)
50.0%
3.0 / 6
100.0%
−131
–   Exacto 0.e 64-bit2250+18
−18
(−132)3 − 3
(+2−2=2)
50.0%
3.0 / 6
100.0%
−132
–   Mango Paola Ajedrez 4.12248+19
−19
(−134)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+93
–   Beowulf 2.4a 64-bit2248+18
−18
(−134)4 − 2
(+3−1=2)
66.7%
4.0 / 6
100.0%
−15
–   Dolphin 1.0 64-bit2229+18
−18
(−153)6 − 0
(+6−0=0)
100.0%
6.0 / 6
100.0%
+INF
–   RamJet 0.132228+20
−20
(−154)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+36
–   Buzz 0.08 64-bit2228+21
−21
(−154)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+208
–   Tiny Chess 1.46 64-bit2224+19
−19
(−158)8.5 − 1.5
(+7−0=3)
85.0%
8.5 / 10
100.0%
+92
–   OBender 03.2016 64-bit2213+18
−18
(−169)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
−21
–   Neurosis 2.32209+27
−27
(−173)6 − 0
(+6−0=0)
100.0%
6.0 / 6
100.0%
+INF
–   Latista (Sinobyl) 1.52202+24
−24
(−180)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
100.0%
−374
–   GopherCheck 0.2.3 64-bit2190+19
−19
(−192)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+8
–   Asymptote 0.1.8 64-bit2176+22
−22
(−206)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+156
–   Embla 2.0.0 64-bit2171+19
−19
(−211)27 − 9
(+23−5=8)
75.0%
27.0 / 36
100.0%
−25
–   Clever Girl r185 64-bit2162+24
−24
(−220)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+69
–   Chesley r323 64-bit2160+22
−22
(−222)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+136

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Created in 2005-2013 by CCRL team
Last games added on July 11, 2019