CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#239  (2394+28
−28
)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
(+183)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+8
= = = 0 0 0 0 0 1 0
–   Ghost 3.1 64-bit2550+16
−16
(+156)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+123
1 1 = = 0 = 0 0 0 1
–   WyldChess 1.1 64-bit2500+28
−28
(+106)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+50
= = 1 = = 0 0 0 = =
–   Bagatur 1.5g 64-bit2495+26
−26
(+101)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−225
0 0 = 0 0 = 0 0 0 0
–   Arasan 10.32495+24
−24
(+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-bit2483+26
−26
(+89)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−60
0 0 = 1 0 = 0 0 1 0
–   Shield 1.2 64-bit2473+26
−26
(+79)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−21
0 1 1 0 = 0 0 = 0 =
–   Donna 3.0 64-bit2461+32
−32
(+67)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−7
0 1 = 0 0 1 1 = 0 0
–   Giraffe 20150908 64-bit2460+19
−19
(+66)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+133
= 1 1 0 1 0 1 0 = 1
–   Bumblebee 1.0 64-bit2459+23
−23
(+65)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−9
0 1 = = 1 0 0 0 0 1
–   Axolotl 1.8 64-bit2444+19
−19
(+50)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+22
1 = 0 0 0 = 1 1 0 =
–   Mephisto Gideon Professional2443+25
−26
(+49)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.5%
+17
= 0 1 = 0 1 0 0 1 =
–   Teki 2 64-bit2441+17
−17
(+47)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.3%
−48
0 0 1 =
–   Nemeton 1.62439+24
−24
(+45)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.8%
−42
0 0 0 1 1 0 1 0 1 0
–   Tunguska 1.1 64-bit2437+22
−22
(+43)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.9%
−106
= 0 0 =
–   Bearded N44.5 64-bit2437+21
−21
(+43)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.7%
−61
= = = 0 1 1 0 0 0 0
–   Snitch 1.6.2 64-bit2433+22
−22
(+39)5 − 5
(+4−4=2)
50.0%
5.0 / 10
1.5%
+44
0 = 1 0 1 1 0 = 1 0
–   Bitfoot 1.0.d9aeb43 64-bit2416+27
−27
(+22)3 − 7
(+1−5=4)
30.0%
3.0 / 10
13.7%
−104
1 0 0 0 = 0 = = 0 =
–   Gaia 3.5 64-bit2411+22
−22
(+17)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
17.1%
+58
1 0 1 1 0 0 1 = 1 0
–   KnightDreamer 3.32402+30
−30
(+8)6 − 4
(+4−2=4)
60.0%
6.0 / 10
35.7%
+67
= 1 = 1 0 = = 0 1 1
–   Patzer 3.802401+20
−20
(+7)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
35.8%
+43
1 0 1 0 = 0 1 0 1 1
–   Popochin 4.1 64-bit2393+17
−17
(−1)4 − 0
(+4−0=0)
100.0%
4.0 / 4
53.8%
+INF
1 1 1 1
–   Amateur 2.822391+20
−20
(−3)3 − 7
(+3−7=0)
30.0%
3.0 / 10
58.0%
−188
0 1 0 1 0 1 0 0 0 0
–   FrankWalter 2.2.3 64-bit2386+33
−33
(−8)5 − 5
(+4−4=2)
50.0%
5.0 / 10
65.5%
−8
= 0 1 0 0 1 1 = 1 0
–   Ares GB 64-bit2386+15
−15
(−8)2 − 2
(+2−2=0)
50.0%
2.0 / 4
69.8%
−8
0 0 1 1
–   Jazz 721 64-bit2384+20
−20
(−10)7 − 3
(+6−2=2)
70.0%
7.0 / 10
72.5%
+139
1 = 0 0 = 1 1 1 1 1
–   Googleplex Starthinker 1.6 64-bit2381+25
−25
(−13)5.5 − 8.5
(+4−7=3)
39.3%
5.5 / 14
76.5%
−88
0 1 0 0 = 0 = 0 1 1 0 1 0 =
–   Barbarossa 0.6.0 64-bit2373+57
−57
(−21)3 − 1
(+3−1=0)
75.0%
3.0 / 4
74.2%
+209
1 1 0 1
–   Waxman 20172370+16
−16
(−24)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
93.1%
−119
0 1 = 0
–   Tytan 9.32 64-bit2368+23
−23
(−26)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
92.5%
+150
1 1 1 1 1 1 = = 0 =
–   Topple 0.1.1 64-bit2365+23
−23
(−29)5 − 5
(+4−4=2)
50.0%
5.0 / 10
94.3%
−29
1 1 0 1 0 = = 0 1 0
–   Isa 2.0.83 64-bit2365+42
−42
(−29)2 − 2
(+0−0=4)
50.0%
2.0 / 4
87.8%
−29
= = = =
–   Plisk 0.2.7d 64-bit2361+19
−19
(−33)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
97.5%
−1
1 = 0 0 = 1 = 0 1 1
–   Isa 2.0.64 64-bit2361+16
−16
(−33)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
97.9%
−75
1 1 1 0 = 0 0 1 0 0
–   pikoSzachy Extreme 22355+34
−34
(−39)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
96.3%
+77
1 0 = 0 1 0 1 1 1 1
–   K2 0.672354+23
−23
(−40)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
98.6%
−139
1 0 0 = = 0 0 = 1 0
–   KnightX 1.94 64-bit2351+22
−22
(−43)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.2%
+57
= 1 0 = = 1 1 0 1 1
–   Gibbon 2.60a 64-bit2337+21
−21
(−57)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+42
1 = 1 1 = 0 1 1 = 0
–   Butcher 1.61 64-bit2334+30
−30
(−60)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.8%
+48
1 = 1 = 1 = 0 0 1 1
–   EveAnn 1.712334+29
−30
(−60)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.8%
−188
0 0 = = 0 = = 1 0 0
–   Zeus 1.272322+27
−27
(−72)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−99
= 0 1 0 0 = 1 = = =
–   Googleplex Starthinker 1.4 64-bit2320+17
−17
(−74)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−18
= 1 0 = = = = 1 1 =
–   RubiChess 0.7 64-bit2304+25
−24
(−90)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−16
1 0 1 1 1 = = 0 0 1
–   Ant 2006-F2303+20
−20
(−91)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+15
= 1 0 = 1 = 0 1 1 1
–   Invictus r228 64-bit2291+18
−18
(−103)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−10
0 1 = 1
–   Matilde 2008 64-bit2291+23
−23
(−103)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−39
= 0 1 = = 1 1 1 0 =
–   Chaturanga 2.4.32289+19
−19
(−105)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+121
= 1 1 1 1 1 1 1 = 0
–   Ayito 0.2.9942265+21
−21
(−129)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−28
0 1 = 1 = 0 1 = 1 1
–   Achillees 1.0 64-bit2232+89
−95
(−162)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−162
0 1 0 1
–   RamJet 0.132228+20
−20
(−166)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+158
1 1 1 1 = 1 1 1 = 1
–   Raven 0.60 64-bit2221+90
−97
(−173)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+98
1 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on November 8, 2019