CCRL 40/15
Downloads and Statistics
August 8, 2020
Testing summary:
Total: 1'167'960 games
played by 2'693 programs

White wins: 402'856 (34.5%)
Black wins: 297'658 (25.5%)
Draws: 467'446 (40.0%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#246  (2398+21
−21
)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
(+182)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+7
–   Jumbo 0.7.0 64-bit2557+21
−21
(+159)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+386
–   Detroid 1.0.1 64-bit2554+21
−21
(+156)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+5
–   Ghost 3.1 64-bit2551+15
−15
(+153)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+120
–   KnightX 1.98 64-bit2545+29
−29
(+147)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Axolotl 1.9 64-bit2514+22
−22
(+116)8 − 6
(+6−4=4)
57.1%
8.0 / 14
0.0%
+161
–   WyldChess 1.1 64-bit2501+28
−28
(+103)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+47
–   Bagatur 1.5g 64-bit2501+24
−25
(+103)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−223
–   Arasan 10.32498+23
−23
(+100)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+100
–   Zurichess Geneva 64-bit2484+26
−26
(+86)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−63
–   Drosophila 1.5.1 64-bit2479+15
−15
(+81)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+81
–   Shield 1.2 64-bit2474+26
−26
(+76)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−24
–   Raven 0.90 64-bit2469+30
−30
(+71)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−112
–   Nemeton 1.812465+21
−21
(+67)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
0.0%
−128
–   Donna 3.0 64-bit2462+32
−32
(+64)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−10
–   Giraffe 20150908 64-bit2461+19
−19
(+63)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+130
–   Bumblebee 1.0 64-bit2458+23
−23
(+60)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−14
–   Stash 18.0 64-bit2454+31
−31
(+56)4 − 8
(+2−6=4)
33.3%
4.0 / 12
0.2%
−51
–   Axolotl 1.8 64-bit2446+19
−19
(+48)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+20
–   Hussar 0.42445+17
−17
(+47)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Mephisto Gideon Professional2444+25
−25
(+46)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.3%
+14
–   Teki 2 64-bit2441+16
−16
(+43)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.1%
+36
–   Bearded N44.5 64-bit2440+20
−20
(+42)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.3%
−62
–   Nemeton 1.62440+24
−24
(+42)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.5%
−45
–   Tunguska 1.1 64-bit2435+19
−20
(+37)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.6%
−18
–   Snitch 1.6.2 64-bit2434+21
−21
(+36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
1.1%
+41
–   NoC 4.20 64-bit2422+27
−27
(+24)11.5 − 8.5
(+9−6=5)
57.5%
11.5 / 20
8.7%
+79
–   Bitfoot 1.0.d9aeb43 64-bit2417+25
−25
(+19)3 − 7
(+1−5=4)
30.0%
3.0 / 10
13.9%
−108
–   Gaia 3.5 64-bit2417+21
−21
(+19)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
11.1%
+61
–   RomiChess P3n 64-bit2416+14
−13
(+18)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
8.0%
−77
–   Hedgehog 2.0 64-bit2410+45
−44
(+12)7 − 9
(+5−7=4)
43.8%
7.0 / 16
31.2%
−34
–   KnightDreamer 3.32402+27
−27
(+4)6 − 4
(+4−2=4)
60.0%
6.0 / 10
41.7%
+63
–   Patzer 3.802397+19
−19
(−1)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
53.6%
+35
–   Popochin 4.1 64-bit2397+16
−16
(−1)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
54.9%
+117
–   Amateur 2.822395+19
−19
(−3)3 − 7
(+3−7=0)
30.0%
3.0 / 10
57.6%
−189
–   Myrddin 0.87 64-bit2395+13
−13
(−3)18 − 14
(+13−9=10)
56.3%
18.0 / 32
60.0%
+37
–   CT800 1.40 64-bit2394+28
−28
(−4)7.5 − 10.5
(+4−7=7)
41.7%
7.5 / 18
60.1%
−55
–   Ares GB 64-bit2392+14
−14
(−6)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
67.7%
−33
–   FrankWalter 2.2.3 64-bit2391+32
−32
(−7)5 − 5
(+4−4=2)
50.0%
5.0 / 10
64.7%
−7
–   Googleplex Starthinker 1.6 64-bit2385+20
−20
(−13)16.5 − 20.5
(+8−12=17)
44.6%
16.5 / 37
82.5%
−45
–   Isa 2.0.83 64-bit2384+30
−30
(−14)9 − 9
(+6−6=6)
50.0%
9.0 / 18
78.5%
−14
–   Ares GB 1.1 64-bit2383+27
−27
(−15)5 − 5
(+4−4=2)
50.0%
5.0 / 10
80.8%
−15
–   Jazz 721 64-bit2379+19
−19
(−19)7 − 3
(+6−2=2)
70.0%
7.0 / 10
90.7%
+131
–   Waxman 20172372+16
−16
(−26)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
97.6%
−121
–   Tytan 9.32 64-bit2369+23
−23
(−29)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
96.6%
+147
–   Raven 0.80 64-bit2368+29
−29
(−30)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
94.9%
−154
–   Isa 2.0.64 64-bit2364+16
−16
(−34)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
99.4%
−76
–   Plisk 0.2.7d 64-bit2363+19
−19
(−35)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
99.4%
−3
–   Topple 0.1.1 64-bit2362+22
−22
(−36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
99.0%
−36
–   Ceibo 0.5 64-bit2360+30
−30
(−38)13 − 7
(+12−6=2)
65.0%
13.0 / 20
98.1%
+80
–   pikoSzachy Extreme 22356+34
−34
(−42)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
98.1%
+74
–   K2 0.672355+23
−23
(−43)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.7%
−142
–   KnightX 1.94 64-bit2352+22
−22
(−46)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+55
–   Isa 2.1 64-bit2351+28
−28
(−47)8 − 4
(+6−2=4)
66.7%
8.0 / 12
99.6%
+63
–   Barbarossa 0.6.0 64-bit2348+32
−32
(−50)11.5 − 6.5
(+10−5=3)
63.9%
11.5 / 18
99.6%
+55
–   Gibbon 2.60a 64-bit2337+20
−20
(−61)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+38
–   EveAnn 1.712336+28
−28
(−62)3 − 7
(+1−5=4)
30.0%
3.0 / 10
100.0%
−190
–   Butcher 1.61 64-bit2335+30
−30
(−63)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+45
–   FireFly 2.7.2 64-bit2329+16
−16
(−69)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−69
–   Zeus 1.272326+25
−25
(−72)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−99
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−77)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−21
–   EveAnn 1.722320+16
−16
(−78)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+64
–   Halogen 5 64-bit2310+129
−136
(−88)1 − 1
(+1−1=0)
50.0%
1.0 / 2
90.5%
−88
–   RubiChess 0.7 64-bit2306+23
−23
(−92)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−18
–   Ant 2006-F2303+19
−19
(−95)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+11
–   CT800 1.34 64-bit2297+20
−20
(−101)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+99
–   Invictus r228 64-bit2293+18
−18
(−105)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−12
–   Matilde 2008 64-bit2291+21
−21
(−107)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−43
–   Chaturanga 2.4.32290+19
−19
(−108)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+119
–   Raven 0.70 64-bit2283+29
−29
(−115)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−271
–   CeeChess 1.3.2 64-bit2272+28
−28
(−126)9 − 3
(+8−2=2)
75.0%
9.0 / 12
100.0%
+74
–   Ayito 0.2.9942265+20
−20
(−133)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−31
–   FoxSEE 5.0.1 64-bit2262+119
−130
(−136)1 − 1
(+0−0=2)
50.0%
1.0 / 2
98.4%
−136
–   Hedgehog 1.99 64-bit2243+36
−35
(−155)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−155
–   RamJet 0.132234+19
−19
(−164)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+161
–   SpaceDog 0.97.7 64-bit2232+24
−24
(−166)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+29
–   Robocide 0.4 64-bit2213+39
−39
(−185)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Achillees 1.0 64-bit2209+28
−28
(−189)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+20
–   Absolute Zero 3.3.2.0 64-bit2208+55
−57
(−190)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
100.0%
+63
–   MORA 1.1.02185+27
−28
(−213)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+18
–   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-bit2075+33
−33
(−323)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 August 8, 2020