CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Zevra 1.8.4 r650 64-bit (2188+23
−23		)Quote
Author: Oleg Smirnov (Russia) Links: github, github, SDChess
This is one of the 7 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   SmarThink 1.98 64-bit3059+11
−11		(+871)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Quazar 0.4 64-bit2924+9
−9		(+736)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Bison 9.11 64-bit2759+11
−11		(+571)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   GreKo 2018.02 64-bit2644+21
−21		(+456)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Counter 2.6 64-bit2622+21
−21		(+434)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   K2 0.872571+15
−15		(+383)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+348
–   Ufim 8.022524+10
−10		(+336)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Winter 0.1.1 64-bit2476+19
−19		(+288)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
+121
–   Drosophila 1.5.1 64-bit2457+13
−13		(+269)2 − 8
(+1−7=2)		20.0%
2.0 / 10
0.0%
+23
–   RubiChess 0.8 64-bit2429+22
−22		(+241)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Bumblebee 1.0.36898e1 64-bit2420+16
−16		(+232)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−1
–   Taltos rev118 64-bit2414+15
−15		(+226)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+63
–   Eeyore 1.52 64-bit2414+15
−15		(+226)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Ifrit m1.8 64-bit2382+15
−15		(+194)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Waxman 20172337+14
−14		(+149)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−140
–   Topple 0.1.1 64-bit2323+18
−18		(+135)6.5 − 23.5
(+5−22=3)
21.7%
6.5 / 30
0.0%
−113
–   Jazz 840 64-bit2303+13
−13		(+115)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
0.0%
+127
–   Popochin 4.0 64-bit2297+23
−23		(+109)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+15
–   Plisk 0.2.6 64-bit2290+28
−28		(+102)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.0%
−4
–   Amundsen 0.802289+15
−15		(+101)3.5 − 4.5
(+1−2=5)		43.8%
3.5 / 8
0.0%
+61
–   FireFly 2.7.2 64-bit2285+12
−12		(+97)4 − 4
(+3−3=2)		50.0%
4.0 / 8
0.0%
+97
–   Gibbon 2.69a 64-bit2284+16
−16		(+96)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.0%
−95
–   EveAnn 1.722281+13
−13		(+93)2 − 2
(+2−2=0)		50.0%
2.0 / 4
0.0%
+93
–   KnightX 1.922277+16
−16		(+89)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+45
–   Averno 0.812269+16
−16		(+81)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
0.0%
−55
–   Zeus 1.292262+18
−18		(+74)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Anechka 0.082261+16
−16		(+73)1 − 0
(+1−0=0)		100.0%
1.0 / 1
0.0%
+INF
–   Fischerle 0.9.80 SE 64-bit2259+17
−17		(+71)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+18
–   Ant 2006-F2259+17
−17		(+71)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
0.0%
−65
–   Absolute Zero 2.4.7.2 64-bit2258+12
−12		(+70)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−31
–   Natwarlal 0.142256+16
−16		(+68)2.5 − 5.5
(+2−5=1)		31.3%
2.5 / 8
0.0%
−99
–   Rhetoric Lite2241+29
−29		(+53)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.2%
−139
–   Invictus r228 64-bit2239+14
−14		(+51)1.5 − 4.5
(+1−4=1)		25.0%
1.5 / 6
0.0%
−152
–   Protej 0.5.8c2211+17
−17		(+23)4.5 − 3.5
(+4−3=1)		56.3%
4.5 / 8
5.1%
+76
–   CT800 1.30 64-bit2207+15
−15		(+19)9.5 − 6.5
(+7−4=5)		59.4%
9.5 / 16
8.2%
+92
–   Mango Paola Ajedrez 4.12199+17
−17		(+11)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
21.5%
−29
–   Pirarucu 1.9.2 64-bit2188+20
−20		(0)14 − 18
(+9−13=10)
43.8%
14.0 / 32
51.2%
−48
–   RamJet 0.132187+16
−16		(−1)4.5 − 3.5
(+4−3=1)		56.3%
4.5 / 8
54.7%
+54
–   SpaceDog 0.97.7 64-bit2184+17
−17		(−4)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
61.4%
+41
–   Dolphin 1.0 64-bit2181+16
−16		(−7)4 − 4
(+2−2=4)		50.0%
4.0 / 8
69.4%
−7
–   Bearded N44.22175+30
−30		(−13)4 − 4
(+2−2=4)		50.0%
4.0 / 8
75.5%
−12
–   Tiny Chess 1.46 64-bit2174+16
−16		(−14)2 − 8
(+1−7=2)		20.0%
2.0 / 10
84.5%
−253
–   Vajolet 1.62.12172+29
−29		(−16)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
80.4%
−53
–   Robocide 20170718 64-bit2171+15
−15		(−17)5 − 3
(+4−2=2)		62.5%
5.0 / 8
89.3%
+85
–   Adam 3.32168+16
−16		(−20)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
93.1%
+119
–   CT800 1.12 64-bit2168+19
−19		(−20)2.5 − 5.5
(+2−5=1)		31.3%
2.5 / 8
91.5%
−187
–   Uralochka 1.1b2166+16
−16		(−22)1 − 0
(+1−0=0)		100.0%
1.0 / 1
94.2%
+INF
–   OBender 03.2016 64-bit2166+16
−16		(−22)3 − 5
(+2−4=2)		37.5%
3.0 / 8
94.9%
−134
–   Joker2 0.7.7 64-bit2165+17
−17		(−23)9 − 5
(+7−3=4)		64.3%
9.0 / 14
95.0%
+84
–   Betsabe II 1.09c2158+30
−30		(−30)3.5 − 4.5
(+3−4=1)		43.8%
3.5 / 8
94.8%
−92
–   Baislicka 1.0 64-bit2154+17
−17		(−34)2 − 2
(+1−1=2)		50.0%
2.0 / 4
99.3%
−33
–   Latista (Sinobyl) 1.52152+19
−19		(−36)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
99.3%
+14
–   ChessAlex 2.0r42151+18
−18		(−37)1 − 0
(+1−0=0)		100.0%
1.0 / 1
99.5%
+INF
–   Dorpsgek Eve's Temptation 64-bit2151+13
−13		(−37)1 − 1
(+1−1=0)		50.0%
1.0 / 2
99.8%
−37
–   Dorpsgek Dillinger 64-bit2143+16
−16		(−45)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−157
–   NG-Play 9.87 64-bit2139+17
−17		(−49)2.5 − 5.5
(+0−3=5)		31.3%
2.5 / 8
100.0%
−162
–   GopherCheck 0.2.3 64-bit2137+16
−16		(−51)11.5 − 2.5
(+11−2=1)		82.1%
11.5 / 14
100.0%
+239
–   NagaSkaki 5.122135+15
−15		(−53)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
100.0%
−2
–   BlackBishop 0.472130+30
−30		(−58)6 − 2
(+4−0=4)		75.0%
6.0 / 8
99.9%
+108
–   Soldat III 0.187 64-bit2125+18
−18		(−63)3 − 3
(+2−2=2)		50.0%
3.0 / 6
100.0%
−63
–   Prophet 2.0 64-bit2122+23
−23		(−66)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
100.0%
−111
–   CT800 1.20 64-bit2122+25
−25		(−66)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
100.0%
0
–   Isa 1.9.51 64-bit2120+23
−23		(−68)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
100.0%
+71
–   Clever Girl r185 64-bit2118+19
−19		(−70)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+92
–   RamJet 0.142115+16
−16		(−73)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−73
–   Chesley r323 64-bit2107+19
−19		(−81)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
100.0%
−40
–   Blitzkrieg rev337 64-bit2085+17
−17		(−103)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Barbarossa 0.4.0 64-bit2081+15
−15		(−107)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+63
–   Tunguska 1.0 64-bit2077+16
−16		(−111)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Embla 1.0.2 64-bit2050+22
−22		(−138)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
−21
–   Prophet3 20170909 64-bit2041+25
−25		(−147)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Hedgehog 1.82 64-bit2036+21
−21		(−152)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+18
–   AdroitChess 0.42021+19
−19		(−167)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+38
515 games: 171 wins, 198 losses, 146 draws (28.3%), score: 47.4%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024