CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

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Show each game results
Zevra 1.8.4 r650 64-bit (2236+26
−26
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 6 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   SmarThink 1.98 64-bit3025+13
−13
(+789)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Quazar 0.4 64-bit2904+10
−10
(+668)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Bison 9.11 64-bit2756+13
−13
(+520)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   GreKo 2018.02 64-bit2650+24
−24
(+414)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Counter 2.6 64-bit2634+25
−25
(+398)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   K2 0.872584+18
−18
(+348)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+317
=
–   Ufim 8.022544+12
−12
(+308)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Winter 0.1.1 64-bit2497+21
−21
(+261)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+111
= 0 0 =
–   Drosophila 1.5.1 64-bit2479+15
−15
(+243)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
+10
0 0 = 0 0 0 0 = 1 0
–   RubiChess 0.8 64-bit2460+26
−26
(+224)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Bumblebee 1.0.36898e1 64-bit2448+19
−19
(+212)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−14
1 0 0 0
–   Eeyore 1.52 64-bit2441+17
−17
(+205)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Taltos rev118 64-bit2439+18
−18
(+203)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+60
0 =
–   Ifrit m1.8 64-bit2413+18
−18
(+177)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Waxman 20172371+16
−16
(+135)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−148
= 0 0 0
–   Topple 0.1.1 64-bit2360+22
−22
(+124)6.5 − 23.5
(+5−22=3)
21.7%
6.5 / 30
0.0%
−114
0 1 0 0 0 1 0 0 0 0 0 = = 0 0 0 0 0 0 0 0 = 1 0 1 1 0 0 0 0
–   Jazz 840 64-bit2340+15
−15
(+104)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
0.0%
+114
= 1 0 = 1 1 0 1 = 1 0 = 0 0 0 1 = = = 1 1 = 0 0 = = = 0 1 1 1 0
–   Popochin 4.0 64-bit2337+27
−27
(+101)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+18
1 = 0 0
–   Plisk 0.2.6 64-bit2331+32
−32
(+95)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.0%
+1
0 1 1 0 = 0 = 0
–   FireFly 2.7.2 64-bit2329+16
−16
(+93)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+93
1 1 0 0 0 = = 1
–   Amundsen 0.802329+17
−17
(+93)3.5 − 4.5
(+1−2=5)
43.8%
3.5 / 8
0.0%
+60
= = 0 = 0 1 = =
–   Gibbon 2.69a 64-bit2320+18
−18
(+84)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−91
0 = 1 = 0 0 0 0
–   EveAnn 1.722320+16
−16
(+84)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.0%
+84
1 1 0 0
–   KnightX 1.922317+19
−19
(+81)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+43
= = 1 0 0 = 1 0
–   Averno 0.812315+18
−18
(+79)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
0.0%
−44
0 = = 0 = 0 1 0
–   Zeus 1.292304+20
−20
(+68)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Anechka 0.082302+18
−19
(+66)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Ant 2006-F2302+19
−19
(+66)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
0.0%
−57
= 0 1 0 = = 0 0
–   Fischerle 0.9.80 SE 64-bit2301+20
−20
(+65)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+21
= 1 = 1 0 = 0 0
–   Natwarlal 0.142299+19
−19
(+63)2.5 − 5.5
(+2−5=1)
31.3%
2.5 / 8
0.0%
−89
= 1 0 0 1 0 0 0
–   Absolute Zero 2.4.7.2 64-bit2297+15
−15
(+61)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−31
1 0 = 0
–   Invictus r228 64-bit2292+18
−18
(+56)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
0.0%
−134
0 1 0 0 = 0
–   Rhetoric Lite2285+35
−35
(+49)2 − 6
(+1−5=2)
25.0%
2.0 / 8
1.2%
−130
= = 1 0 0 0 0 0
–   CT800 1.30 64-bit2257+20
−20
(+21)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
10.3%
+85
1 0 1 = = = = = 1 0 1 0 1 1 1 0
–   Protej 0.5.8c2257+19
−19
(+21)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
9.9%
+66
1 1 0 0 = 0 1 1
–   Mango Paola Ajedrez 4.12246+19
−19
(+10)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
27.1%
−22
1 = 0 1 0 = 0 =
–   Pirarucu 1.9.2 64-bit2238+24
−24
(+2)14 − 18
(+9−13=10)
43.8%
14.0 / 32
46.3%
−39
0 1 0 0 0 = 0 1 0 = = 0 = 0 0 = 0 1 0 1 0 1 = = 1 1 = = 1 0 = 1
–   RamJet 0.132232+19
−19
(−4)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
58.7%
+46
1 = 1 0 1 0 1 0
–   Dolphin 1.0 64-bit2231+18
−18
(−5)4 − 4
(+2−2=4)
50.0%
4.0 / 8
61.9%
−5
1 1 0 = = = = 0
–   SpaceDog 0.97.7 64-bit2230+22
−22
(−6)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
62.8%
+31
1 = = 1 0 0 1 =
–   Tiny Chess 1.46 64-bit2223+19
−18
(−13)2 − 8
(+1−7=2)
20.0%
2.0 / 10
79.4%
−242
0 0 = = 0 0 0 0 0 1
–   Vajolet 1.62.12223+34
−34
(−13)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
73.2%
−44
0 = 0 0 1 = 1 =
–   Bearded N44.22223+34
−34
(−13)4 − 4
(+2−2=4)
50.0%
4.0 / 8
71.8%
−13
= 0 1 = 1 0 = =
–   Robocide 20170718 64-bit2221+17
−17
(−15)5 − 3
(+4−2=2)
62.5%
5.0 / 8
82.7%
+73
1 0 = = 0 1 1 1
–   Uralochka 1.1b2219+18
−18
(−17)1 − 0
(+1−0=0)
100.0%
1.0 / 1
85.3%
+INF
1
–   CT800 1.12 64-bit2217+22
−22
(−19)2.5 − 5.5
(+2−5=1)
31.3%
2.5 / 8
86.1%
−171
= 0 0 1 1 0 0 0
–   OBender 03.2016 64-bit2215+18
−18
(−21)3 − 5
(+2−4=2)
37.5%
3.0 / 8
90.3%
−116
0 0 = 1 0 0 = 1
–   Joker2 0.7.7 64-bit2215+20
−20
(−21)9 − 5
(+7−3=4)
64.3%
9.0 / 14
89.6%
+73
= 1 1 0 = 1 1 = 1 0 1 0 1 =
–   Adam 3.32211+19
−19
(−25)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
93.3%
+95
0 1 1 1 = = = 1
–   Betsabe II 1.09c2209+34
−35
(−27)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
88.7%
−79
0 1 1 0 0 1 = 0
–   Latista (Sinobyl) 1.52206+22
−22
(−30)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
95.6%
+12
0 0 1 = = = 1 1
–   Baislicka 1.0 64-bit2205+19
−19
(−31)2 − 2
(+1−1=2)
50.0%
2.0 / 4
96.8%
−31
= 1 = 0
–   ChessAlex 2.0r42203+20
−20
(−33)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.3%
+INF
1
–   Dorpsgek Eve's Temptation 64-bit2200+14
−14
(−36)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.1%
−36
0 1
–   Dorpsgek Dillinger 64-bit2195+18
−18
(−41)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
99.5%
−136
1 0 0 =
–   NG-Play 9.87 64-bit2191+20
−20
(−45)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
99.7%
−142
0 = = = 0 = 0 =
–   GopherCheck 0.2.3 64-bit2190+19
−19
(−46)11.5 − 2.5
(+11−2=1)
82.1%
11.5 / 14
99.8%
+240
1 0 0 1 1 1 1 1 1 1 1 = 1 1
–   NagaSkaki 5.122187+17
−17
(−49)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
99.9%
−6
0 1 1 = = = 1 0
–   BlackBishop 0.472182+34
−34
(−54)6 − 2
(+4−0=4)
75.0%
6.0 / 8
99.3%
+95
= 1 1 = 1 1 = =
–   Soldat III 0.187 64-bit2178+21
−21
(−58)3 − 3
(+2−2=2)
50.0%
3.0 / 6
100.0%
−58
= = 0 1 0 1
–   Prophet 2.0 64-bit2177+27
−27
(−59)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
99.9%
−96
0 1 0 = = = 1 0
–   CT800 1.20 64-bit2175+29
−29
(−61)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
99.9%
−3
1 1 0 = 0 1
–   Isa 1.9.51 64-bit2173+27
−27
(−63)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
99.9%
+63
1 = 1 = 1 = 1 0
–   Clever Girl r185 64-bit2171+22
−22
(−65)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+77
1 =
–   RamJet 0.142170+18
−18
(−66)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−66
= =
–   Chesley r323 64-bit2163+21
−22
(−73)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−40
= 1 = 1 0 0 = 1
–   Blitzkrieg rev337 64-bit2142+19
−19
(−94)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Barbarossa 0.4.0 64-bit2134+17
−17
(−102)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+55
= 1
–   Tunguska 1.0 64-bit2130+20
−20
(−106)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Embla 1.0.2 64-bit2111+26
−26
(−125)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−24
1 1 1 1 = 0 0 = 1 =
–   Prophet3 20170909 64-bit2101+28
−29
(−135)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Hedgehog 1.82 64-bit2097+23
−24
(−139)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+17
= 1
–   AdroitChess 0.42079+22
−22
(−157)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+34
1 1 1 = 1 0 1 = 1 1 1 1 = 1 = 1 = 1 = 1 1 = 1 1 0 = 1 1 0 1

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Created in 2005-2013 by CCRL team
Last games added on May 1, 2021