CCRL 40/15
Downloads and Statistics
July 4, 2020
Testing summary:
Total: 1'159'254 games
played by 2'684 programs

White wins: 400'214 (34.5%)
Black wins: 295'886 (25.5%)
Draws: 463'154 (40.0%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#249  (2394+22
−22
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 6 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Delocto 0.6 64-bit2580+15
−15
(+186)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+11
–   Jumbo 0.7.0 64-bit2559+22
−22
(+165)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+391
–   Detroid 1.0.1 64-bit2554+21
−21
(+160)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+9
–   Ghost 3.1 64-bit2550+15
−15
(+156)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+123
–   KnightX 1.98 64-bit2544+29
−29
(+150)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Axolotl 1.9 64-bit2511+23
−23
(+117)8 − 6
(+6−4=4)
57.1%
8.0 / 14
0.0%
+162
–   Bagatur 1.5g 64-bit2501+24
−25
(+107)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−219
–   WyldChess 1.1 64-bit2501+28
−28
(+107)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+51
–   Arasan 10.32498+23
−23
(+104)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+104
–   Zurichess Geneva 64-bit2484+26
−26
(+90)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−59
–   Drosophila 1.5.1 64-bit2479+15
−15
(+85)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+85
–   Shield 1.2 64-bit2474+26
−26
(+80)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−20
–   Stash 18.0 64-bit2468+35
−35
(+74)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−49
–   Raven 0.90 64-bit2468+30
−30
(+74)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−109
–   Nemeton 1.812461+22
−22
(+67)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
0.0%
−128
–   Giraffe 20150908 64-bit2461+19
−19
(+67)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+134
–   Bumblebee 1.0 64-bit2461+23
−23
(+67)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−7
–   Donna 3.0 64-bit2461+32
−32
(+67)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−7
–   Axolotl 1.8 64-bit2446+19
−19
(+52)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+24
–   Hussar 0.42445+17
−17
(+51)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Mephisto Gideon Professional2444+25
−25
(+50)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+18
–   Teki 2 64-bit2441+16
−16
(+47)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+40
–   Bearded N44.5 64-bit2439+20
−20
(+45)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.2%
−59
–   Nemeton 1.62439+24
−24
(+45)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.3%
−42
–   Tunguska 1.1 64-bit2435+20
−20
(+41)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.3%
−14
–   Snitch 1.6.2 64-bit2433+21
−21
(+39)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.6%
+44
–   Gaia 3.5 64-bit2417+21
−21
(+23)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
7.7%
+65
–   NoC 4.20 64-bit2416+29
−29
(+22)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
12.0%
+42
–   RomiChess P3n 64-bit2416+13
−14
(+22)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
5.0%
−73
–   Bitfoot 1.0.d9aeb43 64-bit2415+26
−26
(+21)3 − 7
(+1−5=4)
30.0%
3.0 / 10
11.4%
−106
–   KnightDreamer 3.32401+27
−27
(+7)6 − 4
(+4−2=4)
60.0%
6.0 / 10
35.3%
+66
–   Patzer 3.802400+19
−19
(+6)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
36.1%
+42
–   Popochin 4.1 64-bit2396+16
−16
(+2)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
44.5%
+120
–   Amateur 2.822395+19
−19
(+1)3 − 7
(+3−7=0)
30.0%
3.0 / 10
49.3%
−184
–   Myrddin 0.87 64-bit2395+13
−13
(+1)17.5 − 12.5
(+13−8=9)
58.3%
17.5 / 30
47.8%
+56
–   CT800 1.40 64-bit2393+30
−30
(−1)7 − 9
(+4−6=6)
43.8%
7.0 / 16
51.9%
−37
–   Ares GB 64-bit2392+14
−14
(−2)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
57.2%
−29
–   Hedgehog 2.0 64-bit2391+52
−52
(−3)4 − 6
(+3−5=2)
40.0%
4.0 / 10
54.5%
−79
–   FrankWalter 2.2.3 64-bit2390+32
−32
(−4)5 − 5
(+4−4=2)
50.0%
5.0 / 10
58.2%
−4
–   Ares GB 1.1 64-bit2383+28
−28
(−11)3 − 5
(+2−4=2)
37.5%
3.0 / 8
73.8%
−99
–   Googleplex Starthinker 1.6 64-bit2382+20
−21
(−12)16 − 20
(+8−12=16)
44.4%
16.0 / 36
80.4%
−44
–   Isa 2.0.83 64-bit2380+32
−32
(−14)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
77.1%
−89
–   Jazz 721 64-bit2379+19
−19
(−15)7 − 3
(+6−2=2)
70.0%
7.0 / 10
85.3%
+134
–   Waxman 20172371+16
−16
(−23)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
95.2%
−118
–   Tytan 9.32 64-bit2369+23
−23
(−25)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
94.2%
+151
–   Raven 0.80 64-bit2368+29
−29
(−26)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
92.3%
−150
–   Isa 2.0.64 64-bit2364+16
−16
(−30)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
98.6%
−72
–   Ceibo 0.5 64-bit2363+128
−113
(−31)1 − 0
(+1−0=0)
100.0%
1.0 / 1
69.3%
+INF
–   Plisk 0.2.7d 64-bit2362+19
−19
(−32)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
98.5%
0
–   Topple 0.1.1 64-bit2362+22
−22
(−32)5 − 5
(+4−4=2)
50.0%
5.0 / 10
97.7%
−32
–   pikoSzachy Extreme 22356+34
−34
(−38)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
96.9%
+78
–   K2 0.672355+23
−23
(−39)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.2%
−138
–   KnightX 1.94 64-bit2352+22
−22
(−42)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.6%
+58
–   Isa 2.1 64-bit2351+28
−28
(−43)8 − 4
(+6−2=4)
66.7%
8.0 / 12
99.2%
+67
–   Barbarossa 0.6.0 64-bit2344+35
−35
(−50)8.5 − 4.5
(+8−4=1)
65.4%
8.5 / 13
99.3%
+79
–   Gibbon 2.60a 64-bit2338+21
−20
(−56)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+43
–   EveAnn 1.712336+28
−28
(−58)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.9%
−186
–   Butcher 1.61 64-bit2335+30
−30
(−59)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+49
–   FireFly 2.7.2 64-bit2329+16
−16
(−65)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−65
–   Zeus 1.272326+25
−25
(−68)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−95
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−73)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−17
–   EveAnn 1.722319+16
−16
(−75)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+67
–   RubiChess 0.7 64-bit2305+24
−24
(−89)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−15
–   Ant 2006-F2302+19
−19
(−92)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+14
–   CT800 1.34 64-bit2297+20
−20
(−97)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+103
–   Invictus r228 64-bit2292+18
−18
(−102)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−9
–   Matilde 2008 64-bit2291+21
−22
(−103)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−39
–   Chaturanga 2.4.32290+19
−19
(−104)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+123
–   Raven 0.70 64-bit2282+29
−29
(−112)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−268
–   CeeChess 1.3.2 64-bit2273+29
−29
(−121)7.5 − 1.5
(+7−1=1)
83.3%
7.5 / 9
100.0%
+171
–   Ayito 0.2.9942265+20
−20
(−129)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−27
–   Hedgehog 1.99 64-bit2243+36
−35
(−151)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−151
–   Absolute Zero 3.3.2.0 64-bit2235+62
−64
(−159)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   RamJet 0.132233+20
−20
(−161)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+163
–   SpaceDog 0.97.7 64-bit2233+24
−24
(−161)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−3
–   Robocide 0.4 64-bit2213+39
−39
(−181)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Achillees 1.0 64-bit2210+29
−29
(−184)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
−30
–   MORA 1.1.02189+28
−28
(−205)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−122
–   Micah 1.0 64-bit2163+25
−25
(−231)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−231
–   Halogen 4 64-bit2121+238
−349
(−273)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.8%
+INF
–   Little Wing 0.6.0 64-bit2075+33
−33
(−319)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on July 4, 2020