CCRL 40/15
Downloads and Statistics
October 24, 2020
Testing summary:
Total: 1'185'135 games
played by 2'728 programs

White wins: 408'196 (34.4%)
Black wins: 301'376 (25.4%)
Draws: 475'563 (40.1%)
White score: 54.5%

Engine Details

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Show each game results
Zevra 2.1.2 r248 64-bit#250  (2398+20
−21
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 6 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Mr Bob 0.8.0 64-bit2629+36
−36
(+231)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Donna 4.1 64-bit2592+14
−14
(+194)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+126
= = 0 =
–   Delocto 0.6 64-bit2580+15
−15
(+182)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+7
= 0 0 0 0 0 1 0 = =
–   Velvet 1.0.0 64-bit2565+26
−26
(+167)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+24
= 0 = 0
–   Jumbo 0.7.0 64-bit2559+20
−20
(+161)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+388
1 1 0 1
–   Mr Bob 0.7.1 64-bit2557+28
−28
(+159)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Detroid 1.0.1 64-bit2556+20
−20
(+158)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+7
0 = = 0
–   Ghost 3.1 64-bit2552+15
−15
(+154)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+121
= = 0 = 0 0 0 1 1 1
–   KnightX 1.98 64-bit2540+27
−27
(+142)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   KnightX 2.3 64-bit2526+26
−26
(+128)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−154
0 0 = 0
–   Axolotl 1.9 64-bit2523+20
−21
(+125)10 − 8
(+7−5=6)
55.6%
10.0 / 18
0.0%
+159
1 0 = 0 1 0 1 = 1 1 0 = 1 = 0 = = 1
–   Bagatur 1.5g 64-bit2501+24
−24
(+103)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−224
= 0 0 = 0 0 0 0 0 0
–   WyldChess 1.1 64-bit2501+28
−28
(+103)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+47
1 = = 0 0 0 = = = =
–   RookieMonster 1.7.7 64-bit2500+65
−65
(+102)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.2%
+102
1 1 0 0
–   Arasan 10.32498+23
−23
(+100)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+100
0 1 1 1 0 0 0 1 = =
–   Zurichess Geneva 64-bit2484+26
−26
(+86)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−63
= 1 0 = 0 0 1 0 0 0
–   Drosophila 1.5.1 64-bit2479+15
−15
(+81)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+81
= 1 0 =
–   Shield 1.2 64-bit2474+26
−26
(+76)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−24
1 0 = 0 0 = 0 = 0 1
–   Halogen 6 64-bit2471+36
−36
(+73)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−208
0 = 0 0
–   Raven 0.90 64-bit2469+30
−30
(+71)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−112
0 0 0 = 0 = 0 1
–   Bumblebee 1.0 64-bit2465+22
−22
(+67)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−7
= = 1 0 0 0 0 1 0 1
–   Nemeton 1.812464+20
−20
(+66)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.0%
−57
1 1 1 0 0 = 0 0 0 0
–   Giraffe 20150908 64-bit2463+19
−19
(+65)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+132
1 0 1 0 1 0 = 1 = 1
–   Donna 3.0 64-bit2461+32
−32
(+63)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−11
= 0 0 1 1 = 0 0 0 1
–   Stash 18.0 64-bit2448+28
−29
(+50)4 − 8
(+2−6=4)
33.3%
4.0 / 12
0.2%
−57
= = 0 0 = 0 0 1 = 0 0 1
–   Axolotl 1.8 64-bit2446+19
−19
(+48)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+20
0 0 0 = 1 1 0 = 1 =
–   Mephisto Gideon Professional2444+24
−24
(+46)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+14
1 = 0 1 0 0 1 = = 0
–   Hussar 0.42444+17
−17
(+46)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Teki 2 64-bit2441+16
−16
(+43)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.1%
+36
1 0 1 1 = 0 0 =
–   Nemeton 1.62439+24
−24
(+41)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.5%
−46
0 1 1 0 1 0 1 0 0 0
–   Bearded N44.5 64-bit2439+20
−20
(+41)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.2%
−63
= 0 1 1 0 0 0 0 = =
–   Tunguska 1.1 64-bit2436+19
−19
(+38)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.3%
−17
0 1 0 0 1 = = 0 = = 0 1
–   Snitch 1.6.2 64-bit2433+21
−21
(+35)5 − 5
(+4−4=2)
50.0%
5.0 / 10
1.0%
+40
1 0 1 1 0 = 1 0 0 =
–   NoC 4.20 64-bit2428+26
−26
(+30)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
3.5%
+45
0 0 1 1 1 = 1 1 0 = 1 = = 0 1 0 1 1 1 = 1 0 0 0 0 0
–   Gaia 3.5 64-bit2417+21
−21
(+19)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
10.7%
+61
1 1 0 0 1 = 1 0 1 0
–   Bitfoot 1.0.d9aeb43 64-bit2416+25
−25
(+18)3 − 7
(+1−5=4)
30.0%
3.0 / 10
13.6%
−109
0 0 = 0 = = 0 = 1 0
–   RomiChess P3n 64-bit2416+13
−14
(+18)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
7.5%
−77
1 0 0 =
–   CT800 1.41 64-bit2405+86
−90
(+7)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
43.9%
+99
0 1 1 =
–   KnightDreamer 3.32401+27
−27
(+3)6 − 4
(+4−2=4)
60.0%
6.0 / 10
42.3%
+62
= 1 0 = = 0 1 1 = 1
–   Patzer 3.802397+19
−19
(−1)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
53.1%
+35
1 0 = 0 1 0 1 1 1 0
–   Myrddin 0.87 64-bit2396+13
−13
(−2)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
56.7%
+45
= 0 = 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1 = = = 1 = 0 1 1
–   Popochin 4.1 64-bit2396+16
−16
(−2)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
55.0%
+116
0 0 1 1 0 1 1 1 = 1
–   Amateur 2.822395+19
−19
(−3)3 − 7
(+3−7=0)
30.0%
3.0 / 10
58.1%
−189
0 1 0 0 0 0 0 1 0 1
–   Hedgehog 2.0 64-bit2395+38
−38
(−3)8 − 10
(+6−8=4)
44.4%
8.0 / 18
56.3%
−45
0 1 = 1 1 0 0 1 0 0 1 = = 0 = 0 1 0
–   Ares GB 64-bit2392+14
−14
(−6)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
68.4%
−33
= = 1 0 1 0 0 1 1 0 0 =
–   CT800 1.40 64-bit2392+28
−28
(−6)8.5 − 11.5
(+5−8=7)
42.5%
8.5 / 20
64.2%
−53
= = 0 = 0 0 = 0 0 0 1 = 1 1 = 0 = 1 0 1
–   FrankWalter 2.2.3 64-bit2389+32
−32
(−9)5 − 5
(+4−4=2)
50.0%
5.0 / 10
68.7%
−9
1 0 0 1 1 = 1 0 = 0
–   Ares GB 1.1 64-bit2383+25
−25
(−15)6.5 − 5.5
(+5−4=3)
54.2%
6.5 / 12
81.8%
+12
1 = 0 1 = = 1 1 0 0 1 0
–   Isa 2.0.83 64-bit2383+27
−27
(−15)10 − 10
(+7−7=6)
50.0%
10.0 / 20
81.2%
−15
0 1 = 1 1 1 1 0 0 0 1 0 = 0 1 = = = = 0
–   Googleplex Starthinker 1.6 64-bit2381+19
−19
(−17)17 − 23
(+8−14=18)
42.5%
17.0 / 40
89.6%
−61
0 = 1 = 0 = = 1 = 1 = 0 = 0 = = 1 0 = = = = = = 0 0 = 0 1 1 0 1 0 1 0 0 = 0 0 =
–   Jazz 721 64-bit2379+19
−19
(−19)7 − 3
(+6−2=2)
70.0%
7.0 / 10
91.2%
+131
0 0 = 1 1 1 1 1 1 =
–   Waxman 20172371+16
−16
(−27)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
97.9%
−122
1 = 0 0
–   Tytan 9.32 64-bit2369+23
−23
(−29)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
96.8%
+147
1 1 1 1 = = 0 = 1 1
–   Raven 0.80 64-bit2368+29
−29
(−30)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
95.1%
−154
1 = 0 0 0 0 = =
–   Isa 2.0.64 64-bit2364+16
−16
(−34)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
99.5%
−76
1 0 = 0 0 1 0 0 1 1
–   Plisk 0.2.7d 64-bit2362+19
−19
(−36)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
99.5%
−4
0 0 = 1 = 0 1 1 1 =
–   Topple 0.1.1 64-bit2361+22
−22
(−37)5 − 5
(+4−4=2)
50.0%
5.0 / 10
99.1%
−37
0 1 0 = = 0 1 0 1 1
–   Ceibo 0.5 64-bit2358+27
−27
(−40)18 − 10
(+16−8=4)
64.3%
18.0 / 28
99.1%
+69
1 1 0 0 = = 1 0 = 0 1 1 1 0 1 1 0 1 0 0 1 = 1 1 1 1 1 1
–   pikoSzachy Extreme 22356+34
−34
(−42)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
98.2%
+74
= 0 1 0 1 1 1 1 1 0
–   K2 0.672355+23
−23
(−43)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.7%
−142
0 = = 0 0 = 1 0 1 0
–   KnightX 1.94 64-bit2352+22
−22
(−46)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+55
0 = = 1 1 0 1 1 = 1
–   Barbarossa 0.6.0 64-bit2351+29
−29
(−47)12.5 − 7.5
(+11−6=3)
62.5%
12.5 / 20
99.5%
+48
1 1 0 1 0 = 1 1 = 0 1 = 0 1 0 1 0 1 1 1
–   Isa 2.1 64-bit2350+28
−28
(−48)8 − 4
(+6−2=4)
66.7%
8.0 / 12
99.7%
+62
0 1 = 1 0 = = 1 1 1 = 1
–   Gibbon 2.60a 64-bit2337+20
−20
(−61)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+38
1 1 = 0 1 1 = 0 1 =
–   Butcher 1.61 64-bit2335+30
−30
(−63)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+45
1 = 1 = 0 0 1 1 1 =
–   EveAnn 1.712335+28
−28
(−63)3 − 7
(+1−5=4)
30.0%
3.0 / 10
100.0%
−191
= = 0 = = 1 0 0 0 0
–   FireFly 2.7.2 64-bit2329+16
−16
(−69)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−69
1 0
–   Zeus 1.272326+25
−25
(−72)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−99
1 0 0 = 1 = = = = 0
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−77)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−21
0 = = = = 1 1 = = 1
–   EveAnn 1.722320+16
−16
(−78)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+64
1 =
–   Ant 2006-F2302+19
−19
(−96)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+10
1 = 0 1 1 1 = 1 0 =
–   RubiChess 0.7 64-bit2302+23
−23
(−96)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−22
1 1 1 = = 0 0 1 1 0
–   CT800 1.34 64-bit2297+20
−20
(−101)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+99
1 1 1 1 = 0
–   Invictus r228 64-bit2292+18
−18
(−106)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−13
= 1 0 1
–   Chaturanga 2.4.32290+19
−19
(−108)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+119
1 1 1 1 1 1 = 0 = 1
–   Matilde 2008 64-bit2290+21
−21
(−108)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−44
1 = = 1 1 1 0 = = 0
–   Raven 0.70 64-bit2282+29
−29
(−116)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−272
0 = 0 =
–   CeeChess 1.3.2 64-bit2276+27
−27
(−122)9 − 3
(+8−2=2)
75.0%
9.0 / 12
100.0%
+78
= 1 = 0 0 1 1 1 1 1 1 1
–   Ayito 0.2.9942266+20
−20
(−132)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−30
= 1 = 0 1 = 1 1 0 1
–   Hedgehog 1.99 64-bit2241+36
−36
(−157)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−157
1 0
–   RamJet 0.132234+19
−19
(−164)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+161
1 1 = 1 1 1 = 1 1 1
–   SpaceDog 0.97.7 64-bit2230+23
−23
(−168)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+27
1 0 1 1 = 1
–   Robocide 0.4 64-bit2212+39
−39
(−186)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Absolute Zero 3.3.2.0 64-bit2201+47
−48
(−197)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
100.0%
+57
1 1 = 0 1 1 1 1
–   Achillees 1.0 64-bit2198+27
−27
(−200)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+9
1 1 1 = 1 1 0 1 0 1
–   MORA 1.1.02183+27
−28
(−215)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+16
1 = 1 1 1 =
–   Micah 1.0 64-bit2162+25
−25
(−236)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−236
= =
–   Little Wing 0.6.0 64-bit2074+33
−33
(−324)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1

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Created in 2005-2013 by CCRL team
Last games added on October 24, 2020