CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Zevra 1.8.2 r612 64-bit (2189+28
−28
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 6 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   OliThink 5.3.2 64-bit2374+18
−18
(+185)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Jumbo 0.5.3 64-bit2371+27
−27
(+182)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+32
–   GreKo 6.252368+33
−33
(+179)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+87
–   Isa 2.0.64 64-bit2363+16
−16
(+174)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−61
–   Plisk 0.2.7d 64-bit2362+19
−19
(+173)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−115
–   RomiChess P3m 64-bit2360+27
−27
(+171)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+103
–   Typhoon 1.00-358 64-bit2353+34
−34
(+164)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−117
–   Dirty 0.99z2353+34
−34
(+164)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−61
–   Arion 1.72341+18
−18
(+152)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−130
–   Aice 0.99.22339+17
−17
(+150)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
0
–   Bagatur 1.4c 64-bit2337+34
−34
(+148)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+66
–   Popochin 4.0 64-bit2336+27
−27
(+147)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+51
–   Amundsen 0.802328+17
−17
(+139)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+139
–   FireFly 2.7.2 64-bit2328+16
−16
(+139)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.0%
−67
–   Gibbon 2.69a 64-bit2319+18
−18
(+130)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+37
–   EveAnn 1.722319+15
−16
(+130)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
0.0%
+83
–   KnightX 1.922316+18
−19
(+127)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.0%
+127
–   Averno 0.812314+18
−18
(+125)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+217
–   Pedone 0.3 64-bit2308+33
−33
(+119)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+33
–   RubiChess 0.7 64-bit2302+23
−23
(+113)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+118
–   Ant 2006-F2301+19
−19
(+112)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+204
–   Anechka 0.082301+19
−19
(+112)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−114
–   Fischerle 0.9.80 SE 64-bit2300+20
−20
(+111)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+203
–   Natwarlal 0.142298+19
−19
(+109)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−126
–   Absolute Zero 2.4.7.2 64-bit2296+15
−15
(+107)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+11
–   Galjoen 0.38 64-bit2284+23
−23
(+95)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−61
–   Butcher 1.64 64-bit2281+20
−20
(+92)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+151
–   Ayito 0.2.9942268+20
−20
(+79)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−3
–   RattateChess 1.0 Nosferatu2253+18
−19
(+64)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+64
–   Exacto 0.e 64-bit2252+18
−18
(+63)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+155
–   Beowulf 2.4a 64-bit2249+18
−18
(+60)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+60
–   Atak 6.82237+16
−16
(+48)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.2%
−19
–   Buzz 0.08 64-bit2234+20
−20
(+45)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.5%
−INF
–   RamJet 0.132232+19
−19
(+43)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.7%
−39
–   Dolphin 1.0 64-bit2230+18
−18
(+41)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.8%
+41
–   Robocide 20170718 64-bit2220+17
−17
(+31)2 − 2
(+2−2=0)
50.0%
2.0 / 4
3.0%
+31
–   Uralochka 1.1b2218+18
−18
(+29)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
4.3%
−56
–   CT800 1.12 64-bit2216+22
−22
(+27)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
6.3%
+78
–   OBender 03.2016 64-bit2214+18
−18
(+25)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
6.7%
−70
–   Neurosis 2.32214+24
−24
(+25)1 − 3
(+1−3=0)
25.0%
1.0 / 4
9.4%
−209
–   Adam 3.32211+19
−19
(+22)3 − 1
(+3−1=0)
75.0%
3.0 / 4
10.4%
+248
–   Betsabe II 1.09c2209+34
−34
(+20)3 − 1
(+2−0=2)
75.0%
3.0 / 4
19.0%
+169
–   Myrddin 0.85 32-bit2206+27
−27
(+17)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
19.4%
−271
–   Latista (Sinobyl) 1.52206+22
−22
(+17)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
17.8%
−65
–   Jazz 501 32-bit2205+29
−29
(+16)1 − 1
(+1−1=0)
50.0%
1.0 / 2
21.7%
+16
–   RattateChess Bologna 20072201+25
−25
(+12)3 − 1
(+3−1=0)
75.0%
3.0 / 4
26.0%
+238
–   MORA 1.0.02200+26
−26
(+11)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
28.8%
−144
–   Dorpsgek Eve's Temptation 64-bit2200+14
−14
(+11)18.5 − 31.5
(+11−24=15)
37.0%
18.5 / 50
24.3%
−77
–   Dorpsgek Dillinger 64-bit2194+18
−18
(+5)11.5 − 12.5
(+8−9=7)
47.9%
11.5 / 24
37.5%
−12
–   Quazar 0.2 64-bit2190+34
−34
(+1)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
48.3%
+288
–   Glass 0.1.0c2189+33
−33
(0)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
49.4%
−281
–   GopherCheck 0.2.3 64-bit2189+18
−18
(0)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
48.6%
+85
–   NagaSkaki 5.122186+17
−17
(−3)0 − 4
(+0−4=0)
0.0%
0.0 / 4
55.6%
−INF
–   NoC 19.12 64-bit2183+33
−33
(−6)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
60.6%
+45
–   MORA 1.1.02183+27
−28
(−6)4 − 4
(+2−2=4)
50.0%
4.0 / 8
60.5%
0
–   Lime 662182+17
−17
(−7)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
65.9%
−99
–   BlackBishop 0.472181+34
−34
(−8)2 − 0
(+2−0=0)
100.0%
2.0 / 2
62.8%
+INF
–   Prophet 2.0 64-bit2177+27
−27
(−12)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
72.7%
−103
–   Sungorus 1.22174+26
−26
(−15)3 − 1
(+3−1=0)
75.0%
3.0 / 4
77.7%
+219
–   Isa 1.9.51 64-bit2173+27
−27
(−16)2 − 2
(+1−1=2)
50.0%
2.0 / 4
78.8%
−5
–   Clever Girl r160 64-bit2173+21
−21
(−16)2 − 2
(+2−2=0)
50.0%
2.0 / 4
81.7%
−16
–   Embla 2.0.0 64-bit2172+19
−19
(−17)5 − 5
(+2−2=6)
50.0%
5.0 / 10
83.9%
−20
–   Clever Girl r185 64-bit2170+22
−22
(−19)2 − 2
(+1−1=2)
50.0%
2.0 / 4
84.7%
−29
–   Pawny 0.132170+32
−32
(−19)1 − 3
(+1−3=0)
25.0%
1.0 / 4
80.1%
−244
–   iCE 0.12162+29
−29
(−27)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
90.2%
+261
–   NagaSkaki 4.002161+34
−34
(−28)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
89.0%
+63
–   Betsabe II 1.052159+34
−34
(−30)4 − 0
(+4−0=0)
100.0%
4.0 / 4
90.7%
+INF
–   Chesley r323 32-bit2154+24
−24
(−35)2 − 2
(+1−1=2)
50.0%
2.0 / 4
96.5%
−35
–   KnockOut 0.7.12152+15
−15
(−37)2 − 2
(+1−1=2)
50.0%
2.0 / 4
98.7%
−37
–   FireFly 2.5.8 32-bit2151+34
−34
(−38)3 − 1
(+3−1=0)
75.0%
3.0 / 4
95.4%
+195
–   Raven 0.50 64-bit2138+30
−30
(−51)6 − 6
(+3−3=6)
50.0%
6.0 / 12
99.3%
−51
–   Parrot 07.07.222136+19
−19
(−53)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
99.9%
−138
–   ChessKISS 1.3a 32-bit2112+32
−33
(−77)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+8
–   Embla 1.0.2 64-bit2110+25
−26
(−79)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−121
–   Hedgehog 1.82 64-bit2097+24
−24
(−92)10.5 − 1.5
(+9−0=3)
87.5%
10.5 / 12
100.0%
+192
–   Hedgehog 1.81 64-bit2090+26
−26
(−99)8 − 2
(+6−0=4)
80.0%
8.0 / 10
100.0%
+93
–   Little Wing 0.6.0 64-bit2074+33
−33
(−115)4 − 4
(+3−3=2)
50.0%
4.0 / 8
100.0%
−108

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021