CCRL 40/40
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 1'102'078 games
played by 2'571 programs
150620 CPU days (X2 4600+)

White wins: 381'985 (34.7%)
Black wins: 283'767 (25.7%)
Draws: 436'326 (39.6%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#238  (2398+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
(+179)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+4
–   Ghost 3.1 64-bit2550+16
−16
(+152)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+119
–   WyldChess 1.1 64-bit2500+28
−28
(+102)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+46
–   Bagatur 1.5g 64-bit2495+26
−26
(+97)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−229
–   Arasan 10.32495+23
−24
(+97)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+97
–   Axolotl 1.9 64-bit2494+31
−31
(+96)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+154
–   Zurichess Geneva 64-bit2483+26
−26
(+85)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−64
–   Shield 1.2 64-bit2473+26
−26
(+75)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−25
–   Donna 3.0 64-bit2461+32
−32
(+63)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.2%
−11
–   Giraffe 20150908 64-bit2460+19
−19
(+62)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+129
–   Bumblebee 1.0 64-bit2457+23
−23
(+59)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−15
–   Axolotl 1.8 64-bit2445+19
−19
(+47)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.3%
+19
–   Mephisto Gideon Professional2445+25
−25
(+47)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.7%
+15
–   Teki 2 64-bit2441+17
−17
(+43)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.5%
−52
–   Nemeton 1.62439+24
−24
(+41)4 − 6
(+4−6=0)
40.0%
4.0 / 10
1.4%
−46
–   Bearded N44.5 64-bit2437+21
−21
(+39)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
1.2%
−65
–   Tunguska 1.1 64-bit2437+22
−22
(+39)1 − 3
(+0−2=2)
25.0%
1.0 / 4
1.5%
−110
–   Snitch 1.6.2 64-bit2433+22
−22
(+35)5 − 5
(+4−4=2)
50.0%
5.0 / 10
2.6%
+40
–   Bitfoot 1.0.d9aeb43 64-bit2414+26
−26
(+16)3 − 7
(+1−5=4)
30.0%
3.0 / 10
20.0%
−110
–   Gaia 3.5 64-bit2412+22
−22
(+14)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
22.4%
+55
–   KnightDreamer 3.32402+30
−30
(+4)6 − 4
(+4−2=4)
60.0%
6.0 / 10
42.4%
+63
–   Patzer 3.802400+20
−20
(+2)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
45.3%
+38
–   Popochin 4.1 64-bit2393+17
−17
(−5)4 − 0
(+4−0=0)
100.0%
4.0 / 4
62.3%
+INF
–   Amateur 2.822391+20
−20
(−7)3 − 7
(+3−7=0)
30.0%
3.0 / 10
65.7%
−192
–   FrankWalter 2.2.3 64-bit2389+32
−32
(−9)5 − 5
(+4−4=2)
50.0%
5.0 / 10
65.8%
−9
–   Ares GB 64-bit2386+15
−15
(−12)2 − 2
(+2−2=0)
50.0%
2.0 / 4
77.6%
−12
–   Jazz 721 64-bit2384+20
−20
(−14)7 − 3
(+6−2=2)
70.0%
7.0 / 10
79.0%
+135
–   Googleplex Starthinker 1.6 64-bit2382+25
−25
(−16)5.5 − 8.5
(+4−7=3)
39.3%
5.5 / 14
80.7%
−91
–   Barbarossa 0.6.0 64-bit2374+57
−57
(−24)3 − 1
(+3−1=0)
75.0%
3.0 / 4
77.7%
+206
–   Waxman 20172370+16
−16
(−28)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
95.8%
−123
–   Tytan 9.32 64-bit2368+23
−23
(−30)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
95.2%
+146
–   Isa 2.0.83 64-bit2365+42
−42
(−33)2 − 2
(+0−0=4)
50.0%
2.0 / 4
90.5%
−33
–   Topple 0.1.1 64-bit2363+23
−23
(−35)5 − 5
(+4−4=2)
50.0%
5.0 / 10
97.3%
−35
–   Isa 2.0.64 64-bit2361+16
−16
(−37)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
98.8%
−79
–   Plisk 0.2.7d 64-bit2359+19
−19
(−39)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
98.9%
−7
–   pikoSzachy Extreme 22355+34
−34
(−43)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
97.5%
+73
–   K2 0.672354+23
−23
(−44)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.2%
−143
–   KnightX 1.94 64-bit2351+22
−22
(−47)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.6%
+53
–   Gibbon 2.60a 64-bit2337+21
−21
(−61)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+38
–   Butcher 1.61 64-bit2334+30
−30
(−64)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+44
–   EveAnn 1.712334+29
−29
(−64)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.9%
−192
–   Zeus 1.272321+27
−27
(−77)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−104
–   Googleplex Starthinker 1.4 64-bit2320+17
−17
(−78)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−22
–   RubiChess 0.7 64-bit2304+25
−24
(−94)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−20
–   Ant 2006-F2303+20
−20
(−95)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+11
–   Matilde 2008 64-bit2291+22
−23
(−107)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−43
–   Invictus r228 64-bit2291+18
−18
(−107)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−14
–   Chaturanga 2.4.32289+19
−19
(−109)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+117
–   Ayito 0.2.9942265+21
−21
(−133)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−32
–   Achillees 1.0 64-bit2232+89
−95
(−166)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−166
–   RamJet 0.132228+20
−20
(−170)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+154
–   Raven 0.60 64-bit2222+90
−97
(−176)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+95

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Created in 2005-2013 by CCRL team
Last games added on November 30, 2019