CCRL 40/15
Downloads and Statistics
January 9, 2021
Testing summary:
Total: 1'204'486 games
played by 2'764 programs

White wins: 414'243 (34.4%)
Black wins: 305'352 (25.4%)
Draws: 484'891 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Zevra 2.1.1 r216 64-bit (2381+17
−17
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 6 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Coiled 0.6 64-bit2585+12
−12
(+204)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+204
–   Delocto 0.6 64-bit2580+15
−15
(+199)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Dorky 4.8 64-bit2558+14
−14
(+177)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
+24
–   Detroid 1.0.1 64-bit2557+18
−18
(+176)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−107
–   FrankWalter 2.4.0 64-bit2539+16
−17
(+158)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+7
–   AnMon 5.662531+21
−21
(+150)3 − 3
(+2−2=2)
50.0%
3.0 / 6
0.0%
+150
–   Orion 0.5 64-bit2528+14
−14
(+147)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
0
–   Bagatur 1.5f 64-bit2527+18
−18
(+146)11.5 − 26.5
(+7−22=9)
30.3%
11.5 / 38
0.0%
+5
–   Bagatur 1.6c 64-bit2525+22
−22
(+144)8.5 − 23.5
(+3−18=11)
26.6%
8.5 / 32
0.0%
−13
–   Bagatur 1.5g 64-bit2504+24
−24
(+123)13 − 27
(+7−21=12)
32.5%
13.0 / 40
0.0%
+5
–   Trace 1.362486+20
−20
(+105)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
−13
–   Drosophila 1.5.1 64-bit2480+15
−15
(+99)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Lozza 1.18 64-bit2475+15
−15
(+94)1.5 − 10.5
(+1−10=1)
12.5%
1.5 / 12
0.0%
−250
–   WyldChess 1.2 64-bit2470+26
−26
(+89)5 − 1
(+4−0=2)
83.3%
5.0 / 6
0.0%
+316
–   Nemeton 1.812466+19
−19
(+85)2.5 − 13.5
(+1−12=3)
15.6%
2.5 / 16
0.0%
−191
–   Nemeton 1.82461+17
−17
(+80)13 − 27
(+10−24=6)
32.5%
13.0 / 40
0.0%
−56
–   Topple 0.2.1 64-bit2460+18
−18
(+79)2 − 6
(+0−4=4)
25.0%
2.0 / 8
0.0%
−71
–   FrankWalter 2.2.8 64-bit2460+20
−20
(+79)9.5 − 36.5
(+5−32=9)
20.7%
9.5 / 46
0.0%
−146
–   FrankWalter 2.3.3 64-bit2449+20
−20
(+68)20.5 − 19.5
(+16−15=9)
51.3%
20.5 / 40
0.0%
+76
–   Bumblebee 1.0.36898e1 64-bit2448+19
−19
(+67)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+39
–   Axolotl 1.8 64-bit2447+19
−19
(+66)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
−23
–   Mephisto Gideon Professional2446+24
−24
(+65)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.0%
−141
–   Arasan 10.12443+27
−27
(+62)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
0.0%
+209
–   Teki 2 64-bit2441+16
−16
(+60)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−82
–   Bearded N44.5 64-bit2441+20
−20
(+60)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
0.0%
+32
–   Eeyore 1.52 64-bit2441+17
−17
(+60)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
0.0%
+6
–   Nemeton 1.62440+24
−24
(+59)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
0.0%
+128
–   Taltos rev118 64-bit2439+18
−18
(+58)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+58
–   Tunguska 1.1 64-bit2439+19
−19
(+58)8.5 − 11.5
(+6−9=5)
42.5%
8.5 / 20
0.0%
+1
–   King of Kings 2.562438+21
−21
(+57)2 − 0
(+2−0=0)
100.0%
2.0 / 2
0.0%
+INF
–   Snitch 1.6.2 64-bit2435+21
−21
(+54)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.0%
−19
–   GreKo 7.2 32-bit2429+33
−33
(+48)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.5%
−11
–   Cmcchess 2.6 64-bit2423+17
−17
(+42)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
−20
–   PostModernist 10162419+18
−18
(+38)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
0.2%
+190
–   Gaia 3.5 64-bit2417+21
−21
(+36)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.5%
−33
–   RomiChess P3n 64-bit2415+13
−13
(+34)5.5 − 14.5
(+3−12=5)
27.5%
5.5 / 20
0.1%
−129
–   Ifrit m1.8 64-bit2414+18
−18
(+33)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.5%
−77
–   Diablo 0.5.12412+18
−18
(+31)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.7%
−126
–   Jonesy 1.0 64-bit2411+21
−21
(+30)2 − 2
(+1−1=2)
50.0%
2.0 / 4
1.4%
+40
–   Queen 4.032410+18
−18
(+29)3 − 3
(+2−2=2)
50.0%
3.0 / 6
1.1%
+29
–   Dragon 4.62406+17
−17
(+25)3 − 3
(+3−3=0)
50.0%
3.0 / 6
2.5%
+25
–   KnightDreamer 3.32402+27
−27
(+21)7 − 3
(+6−2=2)
70.0%
7.0 / 10
10.4%
+173
–   Myrddin 0.87 64-bit2397+13
−13
(+16)4 − 8
(+1−5=6)
33.3%
4.0 / 12
7.8%
−82
–   Patzer 3.802397+19
−19
(+16)1 − 1
(+1−1=0)
50.0%
1.0 / 2
11.2%
+16
–   Popochin 4.1 64-bit2397+16
−16
(+16)3.5 − 8.5
(+3−8=1)
29.2%
3.5 / 12
9.0%
−153
–   Amateur 2.822396+19
−19
(+15)4 − 2
(+3−1=2)
66.7%
4.0 / 6
13.4%
+125
–   Ares GB 64-bit2393+14
−14
(+12)22 − 30
(+15−23=14)
42.3%
22.0 / 52
14.8%
−41
–   Galjoen 0.39 64-bit2388+16
−16
(+7)8 − 6
(+6−4=4)
57.1%
8.0 / 14
27.7%
+56
–   Isa 2.0.83 64-bit2386+25
−25
(+5)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
36.8%
−36
–   Comet B682385+18
−18
(+4)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
38.5%
+49
–   Thor's Hammer 2.28 32-bit2384+22
−22
(+3)5 − 3
(+4−2=2)
62.5%
5.0 / 8
42.6%
+92
–   Waxman 20172372+16
−16
(−9)6 − 6
(+4−4=4)
50.0%
6.0 / 12
78.1%
−5
–   Jumbo 0.5.3 64-bit2372+27
−27
(−9)4 − 2
(+4−2=0)
66.7%
4.0 / 6
72.2%
+140
–   Amateur 2.862370+24
−25
(−11)16 − 16
(+13−13=6)
50.0%
16.0 / 32
76.9%
−9
–   Isa 2.0.64 64-bit2365+16
−16
(−16)6.5 − 5.5
(+6−5=1)
54.2%
6.5 / 12
91.8%
+16
–   Plisk 0.2.7d 64-bit2363+19
−19
(−18)3 − 5
(+3−5=0)
37.5%
3.0 / 8
91.9%
−130
–   RomiChess P3m 64-bit2361+27
−27
(−20)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
89.7%
−215
–   Dirty 0.99z2354+34
−34
(−27)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
91.5%
+41
–   KnightX 1.94 64-bit2353+22
−22
(−28)3 − 1
(+3−1=0)
75.0%
3.0 / 4
97.8%
+199
–   Barbarossa 0.6.0 64-bit2349+27
−27
(−32)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
97.4%
+110
–   Napoleon 1.8 64-bit2339+17
−17
(−42)8 − 4
(+5−1=6)
66.7%
8.0 / 12
100.0%
+57
–   Asterisk 0.62333+17
−18
(−48)3 − 3
(+3−3=0)
50.0%
3.0 / 6
100.0%
−48
–   FireFly 2.7.2 64-bit2330+16
−16
(−51)7 − 7
(+4−4=6)
50.0%
7.0 / 14
100.0%
−51
–   Der Bringer 1.92324+23
−23
(−57)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
+118
–   WChess 1.062322+15
−15
(−59)23.5 − 16.5
(+17−10=13)
58.8%
23.5 / 40
100.0%
+1
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−60)36.5 − 13.5
(+30−7=13)
73.0%
36.5 / 50
100.0%
+105
–   EveAnn 1.722321+16
−16
(−60)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
100.0%
−6
–   KnightX 1.93 64-bit2321+20
−20
(−60)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+32
–   EveAnn 1.71a2319+21
−21
(−62)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+30
–   Averno 0.812315+18
−18
(−66)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
+81
–   RubiChess 0.7 64-bit2303+23
−23
(−78)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
100.0%
−130
–   Rival 1.0.1 64-bit2303+24
−24
(−78)17.5 − 12.5
(+15−10=5)
58.3%
17.5 / 30
100.0%
−13
–   Joker 1.1.142302+19
−19
(−79)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
+71
–   Sungorus 1.4 64-bit2297+18
−18
(−84)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
100.0%
−143
–   CT800 1.34 64-bit2297+20
−20
(−84)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
+37
–   Invictus r228 64-bit2293+18
−18
(−88)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
100.0%
−47
–   Chaturanga 2.4.32290+19
−19
(−91)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−84
–   Matilde 2008 64-bit2290+21
−21
(−91)5 − 1
(+5−1=0)
83.3%
5.0 / 6
100.0%
+233
–   AliChess 4.252283+19
−19
(−98)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
100.0%
−165
–   Kingfisher 1.0 64-bit2282+29
−29
(−99)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
100.0%
−46
–   Barbarossa 0.5.0 64-bit2277+19
−19
(−104)27 − 17
(+25−15=4)
61.4%
27.0 / 44
100.0%
−12
–   Zevra 1.8.6 r672 64-bit2271+21
−20
(−110)43 − 17
(+32−6=22)
71.7%
43.0 / 60
100.0%
+32
–   Ayito 0.2.9942269+20
−20
(−112)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+84
–   CT800 1.30 64-bit2258+20
−20
(−123)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
+27
–   RattateChess 1.0 Nosferatu2254+18
−19
(−127)3 − 3
(+2−2=2)
50.0%
3.0 / 6
100.0%
−127
–   Exacto 0.e 64-bit2253+18
−18
(−128)3 − 3
(+2−2=2)
50.0%
3.0 / 6
100.0%
−128
–   Beowulf 2.4a 64-bit2250+18
−18
(−131)4 − 2
(+3−1=2)
66.7%
4.0 / 6
100.0%
−12
–   Mango Paola Ajedrez 4.12246+19
−19
(−135)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+92
–   RamJet 0.132237+19
−19
(−144)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+46
–   Buzz 0.08 64-bit2235+20
−20
(−146)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+216
–   Dolphin 1.0 64-bit2232+18
−18
(−149)6 − 0
(+6−0=0)
100.0%
6.0 / 6
100.0%
+INF
–   Tiny Chess 1.46 64-bit2225+19
−19
(−156)8.5 − 1.5
(+7−0=3)
85.0%
8.5 / 10
100.0%
+94
–   OBender 03.2016 64-bit2216+18
−18
(−165)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
−17
–   Neurosis 2.32214+24
−24
(−167)6 − 0
(+6−0=0)
100.0%
6.0 / 6
100.0%
+INF
–   Latista (Sinobyl) 1.52208+22
−22
(−173)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
100.0%
−368
–   GopherCheck 0.2.3 64-bit2190+18
−18
(−191)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+9
–   Asymptote 0.1.8 64-bit2181+21
−21
(−200)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+162
–   Embla 2.0.0 64-bit2173+19
−19
(−208)27 − 9
(+23−5=8)
75.0%
27.0 / 36
100.0%
−22
–   Clever Girl r185 64-bit2172+22
−22
(−209)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+80
–   Chesley r323 64-bit2164+22
−21
(−217)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+141

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Created in 2005-2013 by CCRL team
Last games added on January 9, 2021