CCRL 40/15
Downloads and Statistics
November 28, 2020
Testing summary:
Total: 1'194'035 games
played by 2'744 programs

White wins: 411'031 (34.4%)
Black wins: 303'225 (25.4%)
Draws: 479'779 (40.2%)
White score: 54.5%

Engine Details

Options
Show each game results
Zevra 2.1.2 r248 64-bit#252‑255  (2397+20
−20
)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-bit2651+27
−27
(+254)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Donna 4.1 64-bit2592+14
−14
(+195)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+127
–   Delocto 0.6 64-bit2580+15
−15
(+183)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+8
–   Jumbo 0.7.0 64-bit2562+20
−20
(+165)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+392
–   Mr Bob 0.7.1 64-bit2558+28
−28
(+161)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Velvet 1.0.0 64-bit2556+25
−25
(+159)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+16
–   Detroid 1.0.1 64-bit2554+19
−19
(+157)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+6
–   Ghost 3.1 64-bit2552+15
−15
(+155)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+122
–   KnightX 1.98 64-bit2541+27
−27
(+144)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Drofa 2.0.0 64-bit2525+121
−107
(+128)0 − 2
(+0−2=0)
0.0%
0.0 / 2
1.4%
−INF
–   KnightX 2.3 64-bit2525+26
−26
(+128)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−154
–   Axolotl 1.9 64-bit2524+20
−20
(+127)10 − 8
(+7−5=6)
55.6%
10.0 / 18
0.0%
+161
–   WyldChess 1.1 64-bit2501+28
−28
(+104)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+48
–   Bagatur 1.5g 64-bit2501+24
−25
(+104)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−223
–   Arasan 10.32498+23
−23
(+101)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+101
–   Zurichess Geneva 64-bit2484+26
−26
(+87)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−62
–   Drosophila 1.5.1 64-bit2479+15
−15
(+82)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+82
–   Shield 1.2 64-bit2474+26
−26
(+77)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−23
–   Halogen 6 64-bit2473+37
−37
(+76)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−205
–   Supernova 2.2 64-bit2473+116
−107
(+76)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
9.2%
−60
–   Raven 0.90 64-bit2470+30
−30
(+73)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−110
–   Nemeton 1.812468+20
−20
(+71)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.0%
−52
–   Bumblebee 1.0 64-bit2465+22
−22
(+68)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−6
–   Giraffe 20150908 64-bit2463+19
−19
(+66)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+133
–   Donna 3.0 64-bit2461+32
−32
(+64)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−10
–   Stash 18.0 64-bit2448+29
−28
(+51)4 − 8
(+2−6=4)
33.3%
4.0 / 12
0.2%
−56
–   Axolotl 1.8 64-bit2446+19
−19
(+49)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+21
–   Mephisto Gideon Professional2445+24
−24
(+48)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.1%
+16
–   Hussar 0.42444+17
−16
(+47)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Teki 2 64-bit2441+16
−16
(+44)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+37
–   Bearded N44.5 64-bit2440+20
−20
(+43)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.2%
−61
–   Nemeton 1.62439+24
−24
(+42)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.3%
−45
–   Tunguska 1.1 64-bit2437+19
−19
(+40)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.2%
−15
–   Snitch 1.6.2 64-bit2433+21
−21
(+36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.7%
+41
–   NoC 4.20 64-bit2426+25
−25
(+29)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
3.2%
+44
–   Gaia 3.5 64-bit2416+21
−21
(+19)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
8.9%
+61
–   Bitfoot 1.0.d9aeb43 64-bit2416+25
−25
(+19)3 − 7
(+1−5=4)
30.0%
3.0 / 10
11.8%
−108
–   RomiChess P3n 64-bit2416+14
−13
(+19)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
5.6%
−76
–   CT800 1.41 64-bit2408+70
−71
(+11)4 − 2
(+3−1=2)
66.7%
4.0 / 6
37.8%
+127
–   KnightDreamer 3.32401+27
−27
(+4)6 − 4
(+4−2=4)
60.0%
6.0 / 10
39.3%
+63
–   Hedgehog 2.0 64-bit2397+36
−36
(0)9 − 11
(+6−8=6)
45.0%
9.0 / 20
49.0%
−36
–   Patzer 3.802397+19
−19
(0)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
48.8%
+36
–   Popochin 4.1 64-bit2397+16
−16
(0)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
49.6%
+118
–   Myrddin 0.87 64-bit2396+13
−13
(−1)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
51.4%
+46
–   Amateur 2.822395+19
−19
(−2)3 − 7
(+3−7=0)
30.0%
3.0 / 10
54.0%
−188
–   CT800 1.40 64-bit2392+28
−28
(−5)8.5 − 11.5
(+5−8=7)
42.5%
8.5 / 20
59.7%
−52
–   Ares GB 64-bit2392+14
−14
(−5)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
63.4%
−32
–   FrankWalter 2.2.3 64-bit2389+32
−32
(−8)5 − 5
(+4−4=2)
50.0%
5.0 / 10
65.7%
−8
–   Ares GB 1.1 64-bit2383+25
−25
(−14)7.5 − 6.5
(+6−5=3)
53.6%
7.5 / 14
79.6%
+10
–   Googleplex Starthinker 1.6 64-bit2382+19
−19
(−15)18 − 24
(+8−14=20)
42.9%
18.0 / 42
86.1%
−56
–   Isa 2.0.83 64-bit2382+26
−26
(−15)10 − 12
(+7−9=6)
45.5%
10.0 / 22
80.8%
−46
–   Jazz 721 64-bit2379+19
−19
(−18)7 − 3
(+6−2=2)
70.0%
7.0 / 10
89.4%
+132
–   Waxman 20172371+16
−16
(−26)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
97.2%
−121
–   Raven 0.80 64-bit2369+29
−29
(−28)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
93.9%
−152
–   Tytan 9.32 64-bit2369+23
−23
(−28)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
96.1%
+148
–   Isa 2.0.64 64-bit2364+16
−16
(−33)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
99.3%
−75
–   Plisk 0.2.7d 64-bit2362+19
−19
(−35)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
99.3%
−3
–   Topple 0.1.1 64-bit2361+22
−22
(−36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
98.9%
−36
–   pikoSzachy Extreme 22356+34
−34
(−41)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
97.8%
+75
–   K2 0.672355+23
−23
(−42)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.6%
−141
–   Barbarossa 0.6.0 64-bit2353+28
−28
(−44)13.5 − 8.5
(+12−7=3)
61.4%
13.5 / 22
99.3%
+43
–   KnightX 1.94 64-bit2352+22
−22
(−45)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.8%
+56
–   Isa 2.1 64-bit2351+28
−28
(−46)8 − 4
(+6−2=4)
66.7%
8.0 / 12
99.5%
+64
–   Ceibo 0.5 64-bit2350+27
−27
(−47)20 − 10
(+18−8=4)
66.7%
20.0 / 30
99.7%
+82
–   Gibbon 2.60a 64-bit2337+20
−20
(−60)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+39
–   EveAnn 1.712335+28
−28
(−62)3 − 7
(+1−5=4)
30.0%
3.0 / 10
100.0%
−190
–   Butcher 1.61 64-bit2335+30
−30
(−62)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+46
–   FireFly 2.7.2 64-bit2329+16
−16
(−68)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−68
–   Zeus 1.272326+25
−25
(−71)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−98
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−76)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−20
–   EveAnn 1.722320+16
−16
(−77)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+65
–   Ant 2006-F2302+19
−19
(−95)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+11
–   RubiChess 0.7 64-bit2302+23
−23
(−95)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−21
–   CT800 1.34 64-bit2297+20
−20
(−100)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+100
–   Invictus r228 64-bit2292+18
−18
(−105)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−12
–   Chaturanga 2.4.32290+19
−19
(−107)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+120
–   Matilde 2008 64-bit2290+21
−21
(−107)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−43
–   FoxSEE 5.3 64-bit2282+104
−108
(−115)1 − 1
(+1−1=0)
50.0%
1.0 / 2
98.1%
−115
–   Raven 0.70 64-bit2282+29
−29
(−115)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−271
–   CeeChess 1.3.2 64-bit2273+26
−26
(−124)11 − 3
(+10−2=2)
78.6%
11.0 / 14
100.0%
+111
–   Ayito 0.2.9942266+20
−20
(−131)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−29
–   Hedgehog 1.99 64-bit2242+36
−36
(−155)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−155
–   RamJet 0.132234+19
−19
(−163)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+162
–   SpaceDog 0.97.7 64-bit2232+22
−22
(−165)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+15
–   Cinnamon 2.3.3 64-bit2231+103
−111
(−166)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.9%
−29
–   Absolute Zero 3.3.2.0 64-bit2230+43
−44
(−167)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+35
–   MagiC 2 64-bit2228+67
−69
(−169)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−309
–   Robocide 0.4 64-bit2212+39
−39
(−185)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Achillees 1.0 64-bit2199+27
−27
(−198)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+11
–   MORA 1.1.02184+27
−28
(−213)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+18
–   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

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on November 28, 2020