CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#243  (2390+29
−29
)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
(+187)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+12
–   Ghost 3.1 64-bit2550+16
−16
(+160)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+127
–   WyldChess 1.1 64-bit2501+28
−28
(+111)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+55
–   Arasan 10.32496+23
−24
(+106)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+106
–   Bagatur 1.5g 64-bit2494+26
−27
(+104)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−221
–   Zurichess Geneva 64-bit2483+26
−26
(+93)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−56
–   Shield 1.2 64-bit2474+26
−26
(+84)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−16
–   Giraffe 20150908 64-bit2461+19
−19
(+71)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+138
–   Donna 3.0 64-bit2461+32
−32
(+71)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−3
–   Bumblebee 1.0 64-bit2459+23
−23
(+69)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−5
–   Axolotl 1.8 64-bit2446+19
−19
(+56)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.1%
+28
–   Mephisto Gideon Professional2446+26
−26
(+56)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+24
–   Teki 2 64-bit2442+17
−17
(+52)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.1%
−INF
–   Nemeton 1.62439+24
−24
(+49)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.5%
−37
–   Bearded N44.5 64-bit2438+21
−21
(+48)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.4%
−56
–   Tunguska 1.1 64-bit2438+23
−23
(+48)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.6%
−108
–   Snitch 1.6.2 64-bit2434+22
−22
(+44)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.8%
+49
–   Bitfoot 1.0.d9aeb43 64-bit2415+27
−27
(+25)3 − 7
(+1−5=4)
30.0%
3.0 / 10
10.7%
−101
–   Gaia 3.5 64-bit2412+22
−22
(+22)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
12.0%
+63
–   KnightDreamer 3.32404+30
−30
(+14)6 − 4
(+4−2=4)
60.0%
6.0 / 10
25.8%
+73
–   Patzer 3.802402+20
−20
(+12)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
25.7%
+48
–   Popochin 4.1 64-bit2394+17
−17
(+4)1 − 0
(+1−0=0)
100.0%
1.0 / 1
41.6%
+INF
–   Amateur 2.822391+20
−20
(+1)3 − 7
(+3−7=0)
30.0%
3.0 / 10
47.8%
−184
–   Ares GB 64-bit2388+15
−15
(−2)0 − 2
(+0−2=0)
0.0%
0.0 / 2
56.5%
−INF
–   FrankWalter 2.2.3 64-bit2388+33
−33
(−2)5 − 5
(+4−4=2)
50.0%
5.0 / 10
53.7%
−2
–   Barbarossa 0.6.0 64-bit2384+62
−62
(−6)1 − 0
(+1−0=0)
100.0%
1.0 / 1
57.7%
+INF
–   Jazz 721 64-bit2384+20
−20
(−6)7 − 3
(+6−2=2)
70.0%
7.0 / 10
64.0%
+143
–   Googleplex Starthinker 1.6 64-bit2376+38
−38
(−14)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
71.9%
−203
–   Waxman 20172370+16
−16
(−20)0 − 1
(+0−1=0)
0.0%
0.0 / 1
88.9%
−INF
–   Tytan 9.32 64-bit2368+23
−23
(−22)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
88.0%
+154
–   Topple 0.1.1 64-bit2365+24
−23
(−25)5 − 5
(+4−4=2)
50.0%
5.0 / 10
91.1%
−25
–   Isa 2.0.83 64-bit2363+45
−45
(−27)1 − 1
(+0−0=2)
50.0%
1.0 / 2
84.0%
−27
–   Plisk 0.2.7d 64-bit2361+19
−19
(−29)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
95.2%
+2
–   Isa 2.0.64 64-bit2361+16
−16
(−29)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
95.8%
−71
–   K2 0.672355+23
−23
(−35)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
97.3%
−134
–   pikoSzachy Extreme 22355+34
−34
(−35)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
94.1%
+81
–   KnightX 1.94 64-bit2351+22
−22
(−39)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
98.5%
+61
–   Gibbon 2.60a 64-bit2337+21
−21
(−53)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.8%
+46
–   EveAnn 1.712334+30
−30
(−56)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.6%
−184
–   Butcher 1.61 64-bit2334+30
−30
(−56)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.6%
+52
–   Zeus 1.272321+27
−27
(−69)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−96
–   Googleplex Starthinker 1.4 64-bit2320+17
−17
(−70)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−14
–   RubiChess 0.7 64-bit2307+25
−25
(−83)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−9
–   Ant 2006-F2303+20
−20
(−87)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+19
–   Invictus r228 64-bit2291+18
−18
(−99)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−99
–   Matilde 2008 64-bit2291+23
−23
(−99)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−35
–   Chaturanga 2.4.32290+19
−19
(−100)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+126
–   Ayito 0.2.9942265+21
−21
(−125)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−24
–   Achillees 1.0 64-bit2247+129
−144
(−143)1 − 1
(+1−1=0)
50.0%
1.0 / 2
98.0%
−143
–   RamJet 0.132228+20
−20
(−162)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+162
–   Raven 0.60 64-bit2220+135
−154
(−170)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on October 19, 2019