CCRL 40/15
Downloads and Statistics
January 11, 2020
Testing summary:
Total: 1'112'746 games
played by 2'593 programs

White wins: 385'288 (34.6%)
Black wins: 285'975 (25.7%)
Draws: 441'483 (39.7%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#241  (2397+27
−27
)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-bit2578+15
−15
(+181)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+6
= = = 0 0 0 0 0 1 0
–   Ghost 3.1 64-bit2547+16
−16
(+150)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+117
1 1 = = 0 = 0 0 0 1
–   Axolotl 1.9 64-bit2513+28
−28
(+116)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+174
= 1 1 1 0 = 1 = 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 = =
–   Bagatur 1.5g 64-bit2497+26
−26
(+100)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−226
0 0 = 0 0 = 0 0 0 0
–   Arasan 10.32496+24
−24
(+99)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+99
= = 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
–   Drosophila 1.5.1 64-bit2477+15
−15
(+80)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+80
= = 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 =
–   Donna 3.0 64-bit2461+32
−32
(+64)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−10
0 1 = 0 0 1 1 = 0 0
–   Giraffe 20150908 64-bit2460+19
−19
(+63)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+130
= 1 1 0 1 0 1 0 = 1
–   Bumblebee 1.0 64-bit2457+23
−23
(+60)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−14
0 1 = = 1 0 0 0 0 1
–   Axolotl 1.8 64-bit2445+19
−19
(+48)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+20
1 = 0 0 0 = 1 1 0 =
–   Mephisto Gideon Professional2444+25
−25
(+47)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.5%
+15
= 0 1 = 0 1 0 0 1 =
–   Tunguska 1.1 64-bit2441+22
−22
(+44)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.6%
−44
1 = 0 0 = 0 0 1
–   Teki 2 64-bit2441+16
−16
(+44)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.3%
+37
= 0 0 1 = 1 0 1
–   Nemeton 1.62439+24
−24
(+42)4 − 6
(+4−6=0)
40.0%
4.0 / 10
1.0%
−45
0 0 0 1 1 0 1 0 1 0
–   Bearded N44.5 64-bit2436+21
−20
(+39)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
1.0%
−65
= = = 0 1 1 0 0 0 0
–   Snitch 1.6.2 64-bit2433+21
−21
(+36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
1.9%
+41
0 = 1 0 1 1 0 = 1 0
–   Bitfoot 1.0.d9aeb43 64-bit2413+26
−26
(+16)3 − 7
(+1−5=4)
30.0%
3.0 / 10
20.4%
−110
1 0 0 0 = 0 = = 0 =
–   Gaia 3.5 64-bit2412+22
−22
(+15)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
18.7%
+56
1 0 1 1 0 0 1 = 1 0
–   KnightDreamer 3.32404+29
−29
(+7)6 − 4
(+4−2=4)
60.0%
6.0 / 10
36.6%
+66
= 1 = 1 0 = = 0 1 1
–   Patzer 3.802401+20
−20
(+4)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
40.9%
+40
1 0 1 0 = 0 1 0 1 1
–   Popochin 4.1 64-bit2393+17
−17
(−4)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
58.9%
+253
= 1 1 1 1 0 1 1
–   Amateur 2.822392+20
−20
(−5)3 − 7
(+3−7=0)
30.0%
3.0 / 10
62.4%
−190
0 1 0 1 0 1 0 0 0 0
–   FrankWalter 2.2.3 64-bit2390+32
−32
(−7)5 − 5
(+4−4=2)
50.0%
5.0 / 10
61.9%
−7
= 0 1 0 0 1 1 = 1 0
–   Ares GB 64-bit2389+15
−14
(−8)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
70.7%
+34
= 0 0 1 1 = = 1
–   Jazz 721 64-bit2385+20
−20
(−12)7 − 3
(+6−2=2)
70.0%
7.0 / 10
75.7%
+137
1 = 0 0 = 1 1 1 1 1
–   Googleplex Starthinker 1.6 64-bit2383+24
−24
(−14)5.5 − 8.5
(+4−7=3)
39.3%
5.5 / 14
77.4%
−89
0 = 0 1 0 0 = 0 = 0 1 1 0 1
–   Isa 2.0.83 64-bit2371+39
−39
(−26)2 − 6
(+0−4=4)
25.0%
2.0 / 8
86.8%
−175
0 = = = = 0 0 0
–   Waxman 20172370+16
−16
(−27)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
95.3%
−122
0 0 1 =
–   Tytan 9.32 64-bit2368+23
−23
(−29)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
94.5%
+147
1 1 1 1 1 1 = = 0 =
–   Topple 0.1.1 64-bit2364+23
−23
(−33)5 − 5
(+4−4=2)
50.0%
5.0 / 10
96.8%
−33
1 1 0 1 0 = = 0 1 0
–   Isa 2.0.64 64-bit2362+16
−16
(−35)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
98.5%
−77
1 1 1 0 = 0 0 1 0 0
–   Plisk 0.2.7d 64-bit2360+19
−19
(−37)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
98.7%
−5
1 = 0 0 = 1 = 0 1 1
–   pikoSzachy Extreme 22356+34
−34
(−41)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
97.1%
+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
99.1%
−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
99.5%
+55
= 1 0 = = 1 1 0 1 1
–   Barbarossa 0.6.0 64-bit2345+49
−50
(−52)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
96.5%
+93
1 1 1 1 0 1 = 0
–   Gibbon 2.60a 64-bit2337+21
−21
(−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+29
−29
(−62)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.9%
−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
99.9%
+46
1 = 1 = 1 = 0 0 1 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 =
–   Zeus 1.272320+27
−27
(−77)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−104
= 0 1 0 0 = 1 = = =
–   RubiChess 0.7 64-bit2305+25
−24
(−92)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−18
1 0 1 1 1 = = 0 0 1
–   Ant 2006-F2303+20
−20
(−94)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+12
= 1 0 = 1 = 0 1 1 1
–   CT800 1.34 64-bit2296+21
−21
(−101)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+134
0 1 1 1
–   Raven 0.70 64-bit2295+41
−42
(−102)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−258
= 0 = 0
–   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
–   Matilde 2008 64-bit2291+22
−22
(−106)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−42
= 0 1 = = 1 1 1 0 =
–   Chaturanga 2.4.32291+19
−19
(−106)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+120
= 1 1 1 1 1 1 1 = 0
–   Ayito 0.2.9942265+21
−21
(−132)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−31
0 1 = 1 = 0 1 = 1 1
–   RamJet 0.132228+20
−20
(−169)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+155
1 1 1 1 = 1 1 1 = 1
–   Achillees 1.0 64-bit2218+69
−71
(−179)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−179
0 1 0 1

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Created in 2005-2013 by CCRL team
Last games added on January 11, 2020