CCRL 40/15
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 1'178'235 games
played by 2'711 programs

White wins: 406'134 (34.5%)
Black wins: 300'016 (25.5%)
Draws: 472'085 (40.1%)
White score: 54.5%

Engine Details

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Show each game results
Zevra 2.1.2 r248 64-bit#250‑252  (2397+21
−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-bit2616+104
−97
(+219)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Donna 4.1 64-bit2592+14
−14
(+195)1 − 2
(+0−1=2)
33.3%
1.0 / 3
0.0%
+89
0 = =
–   Delocto 0.6 64-bit2580+15
−15
(+183)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+8
= = = 0 0 0 0 0 1 0
–   Velvet 1.0.0 64-bit2566+28
−27
(+169)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
0.0%
−66
= 0 0
–   Jumbo 0.7.0 64-bit2559+20
−20
(+162)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+389
0 1 1 1
–   Mr Bob 0.7.1 64-bit2558+29
−29
(+161)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Detroid 1.0.1 64-bit2555+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
(+155)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+122
1 1 = = 0 = 0 0 0 1
–   KnightX 1.98 64-bit2546+28
−28
(+149)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   KnightX 2.3 64-bit2525+26
−26
(+128)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
0.0%
−107
= 0 0
–   Axolotl 1.9 64-bit2522+21
−21
(+125)9 − 8
(+6−5=6)
52.9%
9.0 / 17
0.0%
+142
1 1 0 = 1 = = 1 0 = = 0 = 1 0 0 1
–   Bagatur 1.5g 64-bit2501+24
−25
(+104)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−223
0 0 = 0 0 = 0 0 0 0
–   WyldChess 1.1 64-bit2501+28
−28
(+104)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+48
= = 1 = = 0 0 0 = =
–   Arasan 10.32498+23
−23
(+101)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+101
= = 0 1 1 1 0 0 0 1
–   Zurichess Geneva 64-bit2484+26
−26
(+87)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−62
0 0 = 1 0 = 0 0 1 0
–   RookieMonster 1.7.7 64-bit2481+70
−71
(+84)1 − 2
(+1−2=0)
33.3%
1.0 / 3
1.3%
−68
0 0 1
–   Drosophila 1.5.1 64-bit2479+15
−15
(+82)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+82
= = 1 0
–   Shield 1.2 64-bit2474+26
−26
(+77)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−23
0 1 1 0 = 0 0 = 0 =
–   Halogen 6 64-bit2472+37
−37
(+75)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
0.0%
−142
0 0 =
–   Raven 0.90 64-bit2469+30
−30
(+72)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−111
0 1 0 = 0 = 0 0
–   Nemeton 1.812466+20
−20
(+69)2.5 − 6.5
(+2−6=1)
27.8%
2.5 / 9
0.0%
−111
0 0 0 = 1 0 0 1 0
–   Bumblebee 1.0 64-bit2463+22
−22
(+66)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−8
0 1 = = 1 0 0 0 0 1
–   Donna 3.0 64-bit2462+32
−32
(+65)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−9
0 1 = 0 0 1 1 = 0 0
–   Giraffe 20150908 64-bit2462+19
−19
(+65)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+132
= 1 1 0 1 0 1 0 = 1
–   Stash 18.0 64-bit2449+29
−29
(+52)4 − 8
(+2−6=4)
33.3%
4.0 / 12
0.2%
−55
= 0 0 1 0 0 = 0 = = 0 1
–   Axolotl 1.8 64-bit2446+19
−19
(+49)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+21
1 = 0 0 0 = 1 1 0 =
–   Mephisto Gideon Professional2445+24
−24
(+48)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.1%
+16
= 0 1 = 0 1 0 0 1 =
–   Hussar 0.42444+17
−17
(+47)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Teki 2 64-bit2441+16
−16
(+44)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+37
0 0 1 = = 1 0 1
–   Nemeton 1.62440+24
−24
(+43)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.4%
−44
0 0 0 1 1 0 1 0 1 0
–   Bearded N44.5 64-bit2440+20
−20
(+43)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.2%
−61
= = = 0 1 1 0 0 0 0
–   Tunguska 1.1 64-bit2436+19
−19
(+39)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.3%
−16
= 0 0 = 1 0 0 1 = = 0 1
–   Snitch 1.6.2 64-bit2433+21
−21
(+36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.8%
+41
0 = 1 0 1 1 0 = 1 0
–   NoC 4.20 64-bit2427+26
−26
(+30)13.5 − 11.5
(+11−9=5)
54.0%
13.5 / 25
3.4%
+59
0 0 0 1 1 = 1 1 1 1 = 1 0 0 0 1 1 0 1 0 = 1 = = 0
–   Gaia 3.5 64-bit2417+21
−21
(+20)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
9.1%
+62
1 0 1 1 0 0 1 = 1 0
–   Bitfoot 1.0.d9aeb43 64-bit2416+25
−25
(+19)3 − 7
(+1−5=4)
30.0%
3.0 / 10
12.0%
−108
1 0 0 0 = 0 = = 0 =
–   RomiChess P3n 64-bit2416+13
−13
(+19)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
6.1%
−76
1 0 0 =
–   CT800 1.41 64-bit2411+98
−102
(+14)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
39.0%
+247
1 = 1
–   KnightDreamer 3.32402+27
−27
(+5)6 − 4
(+4−2=4)
60.0%
6.0 / 10
39.3%
+64
= 1 = 1 0 = = 0 1 1
–   Popochin 4.1 64-bit2397+16
−16
(0)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
50.6%
+118
1 1 1 1 = 0 0 0 1 1
–   Patzer 3.802397+19
−19
(0)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
49.3%
+36
1 0 1 0 = 0 1 0 1 1
–   Myrddin 0.87 64-bit2396+13
−13
(−1)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
51.8%
+46
= 1 = = 1 0 = 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1 1 = 0 =
–   Amateur 2.822395+19
−19
(−2)3 − 7
(+3−7=0)
30.0%
3.0 / 10
54.2%
−188
0 1 0 1 0 1 0 0 0 0
–   CT800 1.40 64-bit2392+28
−28
(−5)8.5 − 11.5
(+5−8=7)
42.5%
8.5 / 20
61.8%
−52
= 1 1 = = 0 = 0 = 0 1 = 1 0 0 1 0 0 = 0
–   Ares GB 64-bit2392+14
−14
(−5)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
64.3%
−32
0 0 1 1 = 0 1 0 0 = = 1
–   FrankWalter 2.2.3 64-bit2389+32
−32
(−8)5 − 5
(+4−4=2)
50.0%
5.0 / 10
65.9%
−8
= 0 1 0 0 1 1 = 1 0
–   Hedgehog 2.0 64-bit2388+41
−41
(−9)8 − 10
(+6−8=4)
44.4%
8.0 / 18
65.8%
−51
0 1 0 0 1 1 0 0 = 0 = = 0 1 1 0 = 1
–   Googleplex Starthinker 1.6 64-bit2381+20
−20
(−16)17 − 23
(+8−14=18)
42.5%
17.0 / 40
87.4%
−60
0 = 0 1 0 0 = 0 = 0 1 1 0 1 0 1 0 = 0 = 1 = 0 = = 1 = 1 = 0 = = = = = = 0 0 = =
–   Isa 2.0.83 64-bit2381+28
−28
(−16)10 − 10
(+7−7=6)
50.0%
10.0 / 20
81.3%
−16
= = = = 0 1 1 1 = 1 1 0 0 0 0 = 0 1 0 1
–   Jazz 721 64-bit2379+19
−19
(−18)7 − 3
(+6−2=2)
70.0%
7.0 / 10
89.5%
+132
1 = 0 0 = 1 1 1 1 1
–   Ares GB 1.1 64-bit2379+26
−26
(−18)6.5 − 5.5
(+5−4=3)
54.2%
6.5 / 12
85.2%
+9
= = 0 0 1 1 1 = 1 0 0 1
–   Waxman 20172371+16
−16
(−26)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
97.2%
−121
0 0 1 =
–   Tytan 9.32 64-bit2369+23
−23
(−28)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
96.1%
+148
1 1 1 1 1 1 = = 0 =
–   Raven 0.80 64-bit2368+29
−29
(−29)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
94.3%
−153
= = 0 0 1 0 0 =
–   Isa 2.0.64 64-bit2364+16
−16
(−33)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
99.3%
−75
1 1 1 0 = 0 0 1 0 0
–   Plisk 0.2.7d 64-bit2362+19
−19
(−35)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
99.3%
−3
1 = 0 0 = 1 = 0 1 1
–   Topple 0.1.1 64-bit2362+22
−22
(−35)5 − 5
(+4−4=2)
50.0%
5.0 / 10
98.9%
−35
1 1 0 1 0 = = 0 1 0
–   Ceibo 0.5 64-bit2356+28
−28
(−41)17 − 10
(+15−8=4)
63.0%
17.0 / 27
99.1%
+56
1 1 0 1 0 0 0 0 = 0 1 1 1 1 1 1 1 1 = 1 1 1 1 0 0 = =
–   Barbarossa 0.6.0 64-bit2356+31
−30
(−41)12.5 − 7.5
(+11−6=3)
62.5%
12.5 / 20
98.7%
+54
1 1 1 0 1 = 0 1 1 0 1 1 = 0 1 = 1 0 1 0
–   pikoSzachy Extreme 22356+34
−34
(−41)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
97.8%
+75
1 0 = 0 1 0 1 1 1 1
–   K2 0.672355+23
−23
(−42)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.6%
−141
1 0 0 = = 0 0 = 1 0
–   KnightX 1.94 64-bit2352+22
−22
(−45)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.8%
+56
= 1 0 = = 1 1 0 1 1
–   Isa 2.1 64-bit2351+28
−28
(−46)8 − 4
(+6−2=4)
66.7%
8.0 / 12
99.6%
+64
0 1 = 1 1 = 1 1 1 = 0 =
–   Gibbon 2.60a 64-bit2337+20
−20
(−60)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+39
1 = 1 1 = 0 1 1 = 0
–   EveAnn 1.712335+28
−28
(−62)3 − 7
(+1−5=4)
30.0%
3.0 / 10
100.0%
−190
0 0 = = 0 = = 1 0 0
–   Butcher 1.61 64-bit2335+30
−30
(−62)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+46
1 = 1 = 1 = 0 0 1 1
–   FireFly 2.7.2 64-bit2329+16
−16
(−68)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−68
1 0
–   Zeus 1.272327+25
−25
(−70)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−97
= 0 1 0 0 = 1 = = =
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−76)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−20
= 1 0 = = = = 1 1 =
–   EveAnn 1.722320+16
−16
(−77)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+65
1 =
–   RubiChess 0.7 64-bit2303+23
−23
(−94)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−20
1 0 1 1 1 = = 0 0 1
–   Ant 2006-F2302+19
−19
(−95)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+11
= 1 0 = 1 = 0 1 1 1
–   CT800 1.34 64-bit2297+20
−20
(−100)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+100
0 = 1 1 1 1
–   Invictus r228 64-bit2292+18
−18
(−105)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−12
0 1 = 1
–   Chaturanga 2.4.32290+19
−19
(−107)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+120
= 1 1 1 1 1 1 1 = 0
–   Matilde 2008 64-bit2290+21
−21
(−107)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−43
= 0 1 = = 1 1 1 0 =
–   Raven 0.70 64-bit2282+29
−29
(−115)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−271
= 0 = 0
–   CeeChess 1.3.2 64-bit2275+27
−27
(−122)9 − 3
(+8−2=2)
75.0%
9.0 / 12
100.0%
+78
0 1 0 1 1 = 1 1 = 1 1 1
–   Ayito 0.2.9942266+20
−20
(−131)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−29
0 1 = 1 = 0 1 = 1 1
–   Hedgehog 1.99 64-bit2242+36
−36
(−155)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−155
0 1
–   SpaceDog 0.97.7 64-bit2233+23
−23
(−164)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+31
1 1 1 = 1 0
–   RamJet 0.132233+19
−19
(−164)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+161
1 1 1 1 = 1 1 1 = 1
–   Robocide 0.4 64-bit2213+39
−39
(−184)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Absolute Zero 3.3.2.0 64-bit2203+52
−53
(−194)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
100.0%
+60
= 0 1 1 1 1 1 1
–   Achillees 1.0 64-bit2202+27
−28
(−195)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+14
0 1 0 1 1 = 1 1 1 1
–   MORA 1.1.02183+27
−28
(−214)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+17
1 1 = 1 1 =
–   Micah 1.0 64-bit2162+25
−25
(−235)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−235
= =
–   Little Wing 0.6.0 64-bit2074+33
−33
(−323)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 September 19, 2020