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 2.1.1 r216 64-bit (2347+15
−15		)Quote
Author: Oleg Smirnov (Russia) Links: github, github, SDChess
This is one of the 7 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Coiled 0.6 64-bit2579+10
−10		(+232)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+232
–   Delocto 0.6 64-bit2568+13
−13		(+221)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Dorky 4.8 64-bit2546+11
−11		(+199)3 − 7
(+2−6=2)		30.0%
3.0 / 10
0.0%
+26
–   Detroid 1.0.1 64-bit2545+14
−14		(+198)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−91
–   FrankWalter 2.4.0 64-bit2529+13
−13		(+182)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
+15
–   Orion 0.5 64-bit2512+12
−12		(+165)1.5 − 4.5
(+0−3=3)		25.0%
1.5 / 6
0.0%
0
–   AnMon 5.662511+18
−18		(+164)3 − 3
(+2−2=2)		50.0%
3.0 / 6
0.0%
+164
–   Bagatur 1.6c 64-bit2510+19
−19		(+163)8.5 − 23.5
(+3−18=11)
26.6%
8.5 / 32
0.0%
−11
–   Bagatur 1.5f 64-bit2510+16
−16		(+163)11.5 − 26.5
(+7−22=9)
30.3%
11.5 / 38
0.0%
+6
–   Bagatur 1.5g 64-bit2486+19
−19		(+139)13 − 27
(+7−21=12)
32.5%
13.0 / 40
0.0%
+6
–   Trace 1.362463+17
−17		(+116)2 − 4
(+1−3=2)		33.3%
2.0 / 6
0.0%
−19
–   Drosophila 1.5.1 64-bit2457+13
−13		(+110)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Lozza 1.18 64-bit2451+13
−13		(+104)1.5 − 10.5
(+1−10=1)		12.5%
1.5 / 12
0.0%
−233
–   WyldChess 1.2 64-bit2445+22
−22		(+98)5 − 1
(+4−0=2)		83.3%
5.0 / 6
0.0%
+338
–   Nemeton 1.812443+15
−15		(+96)2.5 − 13.5
(+1−12=3)		15.6%
2.5 / 16
0.0%
−186
–   Topple 0.2.1 64-bit2439+15
−15		(+92)2 − 6
(+0−4=4)		25.0%
2.0 / 8
0.0%
−74
–   Nemeton 1.82437+15
−15		(+90)13 − 27
(+10−24=6)
32.5%
13.0 / 40
0.0%
−61
–   FrankWalter 2.2.8 64-bit2434+18
−18		(+87)9.5 − 36.5
(+5−32=9)
20.7%
9.5 / 46
0.0%
−149
–   FrankWalter 2.3.3 64-bit2423+18
−18		(+76)20.5 − 19.5
(+16−15=9)
51.3%
20.5 / 40
0.0%
+86
–   Axolotl 1.8 64-bit2421+17
−17		(+74)2 − 4
(+0−2=4)		33.3%
2.0 / 6
0.0%
−29
–   Bumblebee 1.0.36898e1 64-bit2420+16
−16		(+73)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+39
–   Tunguska 1.1 64-bit2417+15
−15		(+70)8.5 − 11.5
(+6−9=5)		42.5%
8.5 / 20
0.0%
+5
–   Arasan 10.12417+22
−22		(+70)4.5 − 1.5
(+3−0=3)		75.0%
4.5 / 6
0.0%
+235
–   Mephisto Gideon Professional2416+17
−17		(+69)1.5 − 6.5
(+0−5=3)		18.8%
1.5 / 8
0.0%
−152
–   King of Kings 2.562416+16
−16		(+69)2 − 0
(+2−0=0)		100.0%
2.0 / 2
0.0%
+INF
–   Eeyore 1.52 64-bit2414+15
−15		(+67)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.0%
+3
–   Bearded N44.5 64-bit2414+15
−15		(+67)5.5 − 6.5
(+4−5=3)		45.8%
5.5 / 12
0.0%
+35
–   Nemeton 1.62414+20
−20		(+67)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
0.0%
+150
–   Taltos rev118 64-bit2414+15
−15		(+67)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+67
–   Teki 2 64-bit2410+13
−13		(+63)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−99
–   Snitch 1.6.2 64-bit2408+18
−18		(+61)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.0%
−23
–   GreKo 7.2 32-bit2403+27
−27		(+56)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
0.0%
−14
–   Gaia 3.5 64-bit2400+15
−15		(+53)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
0.0%
−30
–   PostModernist 10162389+16
−16		(+42)4.5 − 1.5
(+3−0=3)		75.0%
4.5 / 6
0.0%
+210
–   Cmcchess 2.6 64-bit2389+15
−15		(+42)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.0%
−29
–   RomiChess P3n 64-bit2385+11
−11		(+38)5.5 − 14.5
(+3−12=5)		27.5%
5.5 / 20
0.0%
−138
–   Ifrit m1.8 64-bit2382+15
−15		(+35)2 − 4
(+1−3=2)		33.3%
2.0 / 6
0.1%
−88
–   Dragon 4.62381+14
−14		(+34)3 − 3
(+3−3=0)		50.0%
3.0 / 6
0.1%
+33
–   Jonesy 1.0 64-bit2377+18
−18		(+30)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.5%
+41
–   Diablo 0.5.12376+15
−15		(+29)1.5 − 4.5
(+0−3=3)		25.0%
1.5 / 6
0.4%
−141
–   Queen 4.032376+15
−15		(+29)3 − 3
(+2−2=2)		50.0%
3.0 / 6
0.3%
+28
–   KnightDreamer 3.32367+23
−23		(+20)7 − 3
(+6−2=2)		70.0%
7.0 / 10
7.0%
+191
–   Popochin 4.1 64-bit2366+14
−14		(+19)3.5 − 8.5
(+3−8=1)		29.2%
3.5 / 12
3.0%
−162
–   Myrddin 0.87 64-bit2365+11
−11		(+18)4 − 8
(+1−5=6)		33.3%
4.0 / 12
2.7%
−94
–   Patzer 3.802365+16
−16		(+18)1 − 1
(+1−1=0)		50.0%
1.0 / 2
5.0%
+17
–   Barbarossa 0.6.0 64-bit2362+13
−13		(+15)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
7.1%
+177
–   Ares GB 64-bit2360+12
−12		(+13)22 − 30
(+15−23=14)
42.3%
22.0 / 52
8.5%
−50
–   Amateur 2.822359+16
−16		(+12)4 − 2
(+3−1=2)		66.7%
4.0 / 6
14.5%
+135
–   Galjoen 0.39 64-bit2356+14
−14		(+9)8 − 6
(+6−4=4)		57.1%
8.0 / 14
19.7%
+67
–   Comet B682354+16
−16		(+7)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
26.8%
+60
–   Thor's Hammer 2.282347+19
−19		(0)5 − 3
(+4−2=2)		62.5%
5.0 / 8
49.5%
+103
–   Jumbo 0.5.3 64-bit2338+23
−23		(−9)4 − 2
(+4−2=0)		66.7%
4.0 / 6
74.9%
+157
–   Waxman 20172337+14
−14		(−10)6 − 6
(+4−4=4)		50.0%
6.0 / 12
83.6%
−5
–   Amateur 2.862336+21
−21		(−11)16 − 16
(+13−13=6)
50.0%
16.0 / 32
80.3%
−9
–   Isa 2.0.83 64-bit2334+15
−15		(−13)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
89.2%
−63
–   Plisk 0.2.7d 64-bit2333+15
−15		(−14)3 − 5
(+3−5=0)		37.5%
3.0 / 8
90.0%
−145
–   Isa 2.0.64 64-bit2327+13
−13		(−20)6.5 − 5.5
(+6−5=1)		54.2%
6.5 / 12
97.7%
+19
–   RomiChess P3m 64-bit2324+23
−23		(−23)1.5 − 4.5
(+1−4=1)		25.0%
1.5 / 6
95.4%
−229
–   Dirty 0.99z2318+28
−28		(−29)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
96.5%
+54
–   KnightX 1.94 64-bit2317+19
−19		(−30)3 − 1
(+3−1=0)		75.0%
3.0 / 4
99.4%
+204
–   Napoleon 1.8 64-bit2300+15
−15		(−47)8 − 4
(+5−1=6)		66.7%
8.0 / 12
100.0%
+68
–   Asterisk 0.62293+15
−15		(−54)3 − 3
(+3−3=0)		50.0%
3.0 / 6
100.0%
−53
–   Der Bringer 1.92285+19
−19		(−62)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
+127
–   FireFly 2.7.2 64-bit2285+12
−12		(−62)7 − 7
(+4−4=6)		50.0%
7.0 / 14
100.0%
−62
–   KnightX 1.93 64-bit2282+18
−18		(−65)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+37
–   EveAnn 1.722281+13
−13		(−66)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
100.0%
−2
–   WChess 1.062280+13
−13		(−67)23.5 − 16.5
(+17−10=13)
58.8%
23.5 / 40
100.0%
+5
–   EveAnn 1.71a2279+19
−19		(−68)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+33
–   Googleplex Starthinker 1.4 64-bit2278+14
−14		(−69)36.5 − 13.5
(+30−7=13)
73.0%
36.5 / 50
100.0%
+113
–   Averno 0.812269+16
−16		(−78)4.5 − 1.5
(+3−0=3)		75.0%
4.5 / 6
100.0%
+87
–   Sungorus 1.4 64-bit2267+13
−13		(−80)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
100.0%
−151
–   Rival 1.0.1 64-bit2261+20
−20		(−86)17.5 − 12.5
(+15−10=5)
58.3%
17.5 / 30
100.0%
−8
–   RubiChess 0.7 64-bit2261+18
−18		(−86)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
100.0%
−149
–   Joker 1.1.142259+16
−16		(−88)4 − 2
(+4−2=0)		66.7%
4.0 / 6
100.0%
+78
–   CT800 1.34 64-bit2256+17
−17		(−91)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
100.0%
+48
–   Matilde 2008 64-bit2248+17
−17		(−99)5 − 1
(+5−1=0)		83.3%
5.0 / 6
100.0%
+220
–   Chaturanga 2.4.32245+16
−16		(−102)3 − 3
(+1−1=4)		50.0%
3.0 / 6
100.0%
−95
–   AliChess 4.252240+16
−16		(−107)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
100.0%
−184
–   Invictus r228 64-bit2239+14
−14		(−108)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
100.0%
−60
–   Kingfisher 1.0 64-bit2237+25
−25		(−110)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
100.0%
−47
–   Barbarossa 0.5.0 64-bit2234+17
−17		(−113)27 − 17
(+25−15=4)
61.4%
27.0 / 44
100.0%
−7
–   Ayito 0.2.9942226+16
−16		(−121)4.5 − 1.5
(+4−1=1)		75.0%
4.5 / 6
100.0%
+85
–   Zevra 1.8.6 r672 64-bit2225+18
−18		(−122)43 − 17
(+32−6=22)
71.7%
43.0 / 60
100.0%
+35
–   Exacto 0.e 64-bit2209+15
−15		(−138)3 − 3
(+2−2=2)		50.0%
3.0 / 6
100.0%
−137
–   RattateChess 1.0 Nosferatu2208+16
−16		(−139)3 − 3
(+2−2=2)		50.0%
3.0 / 6
100.0%
−139
–   CT800 1.30 64-bit2207+15
−15		(−140)4 − 2
(+4−2=0)		66.7%
4.0 / 6
100.0%
+26
–   Beowulf 2.4a 64-bit2202+15
−15		(−145)4 − 2
(+3−1=2)		66.7%
4.0 / 6
100.0%
−9
–   Mango Paola Ajedrez 4.12199+17
−17		(−148)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+93
–   RamJet 0.132187+16
−16		(−160)4.5 − 1.5
(+4−1=1)		75.0%
4.5 / 6
100.0%
+43
–   Buzz 0.08 64-bit2186+17
−17		(−161)5.5 − 0.5
(+5−0=1)		91.7%
5.5 / 6
100.0%
+192
–   Dolphin 1.0 64-bit2181+16
−16		(−166)6 − 0
(+6−0=0)		100.0%
6.0 / 6
100.0%
+INF
–   Tiny Chess 1.46 64-bit2174+16
−16		(−173)8.5 − 1.5
(+7−0=3)		85.0%
8.5 / 10
100.0%
+87
–   OBender 03.2016 64-bit2166+16
−16		(−181)4.5 − 1.5
(+3−0=3)		75.0%
4.5 / 6
100.0%
−15
–   Neurosis 2.32159+21
−21		(−188)6 − 0
(+6−0=0)		100.0%
6.0 / 6
100.0%
+INF
–   Latista (Sinobyl) 1.52152+19
−19		(−195)1.5 − 4.5
(+1−4=1)		25.0%
1.5 / 6
100.0%
−408
–   GopherCheck 0.2.3 64-bit2137+16
−16		(−210)4.5 − 1.5
(+4−1=1)		75.0%
4.5 / 6
100.0%
+6
–   Asymptote 0.1.8 64-bit2122+19
−19		(−225)5.5 − 0.5
(+5−0=1)		91.7%
5.5 / 6
100.0%
+128
–   Embla 2.0.0 64-bit2118+17
−17		(−229)27 − 9
(+23−5=8)
75.0%
27.0 / 36
100.0%
−27
–   Clever Girl r185 64-bit2118+19
−19		(−229)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+63
–   Chesley r323 64-bit2107+19
−19		(−240)5.5 − 0.5
(+5−0=1)		91.7%
5.5 / 6
100.0%
+111
1218 games: 461 wins, 442 losses, 315 draws (25.9%), score: 50.8%

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