CCRL 40/15
Downloads and Statistics
January 18, 2020
Testing summary:
Total: 1'114'202 games
played by 2'605 programs

White wins: 385'748 (34.6%)
Black wins: 286'303 (25.7%)
Draws: 442'151 (39.7%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#241  (2396+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-bit2577+15
−15
(+181)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+6
–   Ghost 3.1 64-bit2547+16
−16
(+151)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+118
–   Axolotl 1.9 64-bit2512+27
−27
(+116)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+174
–   WyldChess 1.1 64-bit2500+28
−28
(+104)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+48
–   Bagatur 1.5g 64-bit2496+26
−26
(+100)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−226
–   Arasan 10.32495+24
−24
(+99)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+99
–   Zurichess Geneva 64-bit2483+26
−26
(+87)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−62
–   Drosophila 1.5.1 64-bit2476+15
−15
(+80)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+80
–   Shield 1.2 64-bit2473+26
−26
(+77)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−23
–   Donna 3.0 64-bit2460+32
−32
(+64)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−10
–   Giraffe 20150908 64-bit2460+19
−19
(+64)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+131
–   Bumblebee 1.0 64-bit2456+23
−23
(+60)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−14
–   Axolotl 1.8 64-bit2444+19
−19
(+48)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+20
–   Mephisto Gideon Professional2444+25
−25
(+48)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.5%
+16
–   Teki 2 64-bit2441+17
−17
(+45)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.3%
+38
–   Tunguska 1.1 64-bit2439+22
−22
(+43)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.7%
−45
–   Nemeton 1.62438+24
−24
(+42)4 − 6
(+4−6=0)
40.0%
4.0 / 10
1.0%
−45
–   Bearded N44.5 64-bit2436+20
−21
(+40)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
1.0%
−64
–   Snitch 1.6.2 64-bit2432+21
−21
(+36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
1.9%
+41
–   Bitfoot 1.0.d9aeb43 64-bit2413+26
−26
(+17)3 − 7
(+1−5=4)
30.0%
3.0 / 10
18.7%
−109
–   Gaia 3.5 64-bit2412+22
−22
(+16)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
18.8%
+57
–   KnightDreamer 3.32403+29
−29
(+7)6 − 4
(+4−2=4)
60.0%
6.0 / 10
36.1%
+66
–   Patzer 3.802400+19
−20
(+4)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
40.9%
+40
–   Popochin 4.1 64-bit2393+17
−17
(−3)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
59.0%
+254
–   Amateur 2.822391+20
−20
(−5)3 − 7
(+3−7=0)
30.0%
3.0 / 10
62.4%
−190
–   FrankWalter 2.2.3 64-bit2390+32
−32
(−6)5 − 5
(+4−4=2)
50.0%
5.0 / 10
61.9%
−6
–   Ares GB 64-bit2388+14
−15
(−8)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
69.9%
+34
–   Jazz 721 64-bit2384+20
−20
(−12)7 − 3
(+6−2=2)
70.0%
7.0 / 10
75.7%
+137
–   Googleplex Starthinker 1.6 64-bit2384+24
−24
(−12)5.5 − 8.5
(+4−7=3)
39.3%
5.5 / 14
74.3%
−87
–   Waxman 20172370+16
−16
(−26)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
95.3%
−121
–   Tytan 9.32 64-bit2368+23
−23
(−28)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
94.5%
+148
–   Isa 2.0.83 64-bit2365+38
−38
(−31)2 − 6
(+0−4=4)
25.0%
2.0 / 8
90.7%
−180
–   Topple 0.1.1 64-bit2363+23
−23
(−33)5 − 5
(+4−4=2)
50.0%
5.0 / 10
96.8%
−33
–   Isa 2.0.64 64-bit2362+16
−16
(−34)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
98.5%
−76
–   Plisk 0.2.7d 64-bit2359+19
−19
(−37)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
98.7%
−5
–   pikoSzachy Extreme 22355+34
−34
(−41)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
97.1%
+75
–   K2 0.672354+23
−23
(−42)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.1%
−141
–   KnightX 1.94 64-bit2351+22
−22
(−45)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.5%
+55
–   Barbarossa 0.6.0 64-bit2346+48
−49
(−50)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
96.2%
+95
–   Gibbon 2.60a 64-bit2336+21
−21
(−60)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+39
–   EveAnn 1.712334+29
−30
(−62)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.9%
−190
–   Butcher 1.61 64-bit2334+30
−30
(−62)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+46
–   Googleplex Starthinker 1.4 64-bit2320+17
−17
(−76)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−20
–   Zeus 1.272319+27
−27
(−77)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−104
–   RubiChess 0.7 64-bit2304+24
−24
(−92)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−18
–   Ant 2006-F2302+20
−20
(−94)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+12
–   CT800 1.34 64-bit2296+21
−21
(−100)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+135
–   Raven 0.70 64-bit2294+33
−33
(−102)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−258
–   Invictus r228 64-bit2291+18
−18
(−105)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−12
–   Matilde 2008 64-bit2291+22
−22
(−105)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−41
–   Chaturanga 2.4.32290+19
−19
(−106)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+120
–   Ayito 0.2.9942265+21
−21
(−131)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−30
–   RamJet 0.132228+20
−20
(−168)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+156
–   Achillees 1.0 64-bit2217+69
−71
(−179)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−179

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Created in 2005-2013 by CCRL team
Last games added on January 18, 2020