CCRL 40/15
Downloads and Statistics
June 27, 2020
Testing summary:
Total: 1'157'654 games
played by 2'680 programs

White wins: 399'695 (34.5%)
Black wins: 295'571 (25.5%)
Draws: 462'388 (39.9%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#249  (2392+22
−22
)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-bit2579+15
−15
(+187)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+12
0 0 0 0 1 0 = = = 0
–   Jumbo 0.7.0 64-bit2558+22
−22
(+166)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+392
0 1 1 1
–   Detroid 1.0.1 64-bit2554+22
−22
(+162)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+11
= 0 0 =
–   Ghost 3.1 64-bit2549+15
−15
(+157)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+124
0 = 0 0 0 1 1 1 = =
–   KnightX 1.98 64-bit2544+29
−29
(+152)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Axolotl 1.9 64-bit2511+23
−23
(+119)8 − 6
(+6−4=4)
57.1%
8.0 / 14
0.0%
+164
1 1 0 = 1 = = 1 0 = 0 1 0 1
–   Bagatur 1.5g 64-bit2501+24
−25
(+109)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−217
0 = 0 0 0 0 0 0 = 0
–   WyldChess 1.1 64-bit2500+28
−28
(+108)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+52
0 0 = = = = 1 = = 0
–   Arasan 10.32497+23
−23
(+105)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+105
1 1 0 0 0 1 = = 0 1
–   Zurichess Geneva 64-bit2483+26
−26
(+91)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−58
0 0 1 0 0 0 = 1 0 =
–   Drosophila 1.5.1 64-bit2478+15
−15
(+86)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+86
= = 1 0
–   Shield 1.2 64-bit2473+26
−26
(+81)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−19
0 = 0 = 0 1 1 0 = 0
–   Raven 0.90 64-bit2469+30
−30
(+77)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−106
0 1 0 0 0 = 0 =
–   Bumblebee 1.0 64-bit2461+23
−23
(+69)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−5
1 0 0 0 0 1 0 1 = =
–   Donna 3.0 64-bit2461+32
−32
(+69)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−5
0 1 1 = 0 0 0 1 = 0
–   Giraffe 20150908 64-bit2460+19
−19
(+68)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+135
1 0 1 0 = 1 = 1 1 0
–   Nemeton 1.812457+22
−22
(+65)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
0.0%
−130
0 = 0 0 1 0
–   Stash 18.0 64-bit2452+44
−43
(+60)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.8%
−114
= 0 0 1 0 0 = 0
–   Axolotl 1.8 64-bit2446+19
−19
(+54)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+26
0 = 1 1 0 = 1 = 0 0
–   Hussar 0.42444+17
−17
(+52)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Mephisto Gideon Professional2443+25
−25
(+51)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.1%
+19
0 0 1 = = 0 1 = 0 1
–   Teki 2 64-bit2441+16
−16
(+49)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+42
= 1 = 0 0 1 0 1
–   Bearded N44.5 64-bit2439+20
−20
(+47)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.1%
−57
1 1 0 0 0 0 = = = 0
–   Nemeton 1.62439+24
−24
(+47)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.2%
−40
1 0 1 0 0 0 0 1 1 0
–   Tunguska 1.1 64-bit2435+20
−20
(+43)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.3%
−12
1 0 = = 0 = = 0 1 0 0 1
–   Snitch 1.6.2 64-bit2433+21
−21
(+41)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.5%
+46
0 = 1 0 0 = 1 0 1 1
–   RomiChess P3n 64-bit2416+13
−14
(+24)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
3.9%
−71
= 1 0 0
–   NoC 4.20 64-bit2416+29
−30
(+24)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
10.0%
+44
0 1 = 1 1 1 = 1 0 0 0 0 = 1 = = 0 1
–   Gaia 3.5 64-bit2416+21
−21
(+24)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
6.4%
+66
0 0 1 = 1 0 1 0 1 1
–   Bitfoot 1.0.d9aeb43 64-bit2415+26
−26
(+23)3 − 7
(+1−5=4)
30.0%
3.0 / 10
9.8%
−104
= 0 = = 0 = 1 0 0 0
–   KnightDreamer 3.32402+27
−28
(+10)6 − 4
(+4−2=4)
60.0%
6.0 / 10
30.6%
+69
= 0 1 1 = 1 = 1 0 =
–   Patzer 3.802399+19
−19
(+7)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
32.8%
+43
1 0 1 1 1 0 1 0 = 0
–   Hedgehog 2.0 64-bit2397+53
−53
(+5)4 − 6
(+3−5=2)
40.0%
4.0 / 10
44.0%
−71
0 = 0 0 0 1 = 1 1 0
–   Popochin 4.1 64-bit2396+16
−16
(+4)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
39.9%
+122
= 1 1 1 1 0 0 0 1 1
–   Myrddin 0.87 64-bit2395+13
−13
(+3)17.5 − 12.5
(+13−8=9)
58.3%
17.5 / 30
43.0%
+58
1 = = = 1 = 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1 0
–   Amateur 2.822394+19
−19
(+2)3 − 7
(+3−7=0)
30.0%
3.0 / 10
44.9%
−183
0 0 0 0 0 1 0 1 0 1
–   Ares GB 64-bit2392+14
−14
(0)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
52.4%
−27
= 1 1 0 0 0 0 1 0 = = 1
–   CT800 1.40 64-bit2390+30
−30
(−2)7 − 9
(+4−6=6)
43.8%
7.0 / 16
54.8%
−38
= 0 1 = 1 = = 0 = 0 0 = 0 0 1 1
–   FrankWalter 2.2.3 64-bit2390+32
−32
(−2)5 − 5
(+4−4=2)
50.0%
5.0 / 10
55.1%
−2
0 1 1 = 1 0 = 0 1 0
–   Ares GB 1.1 64-bit2384+28
−28
(−8)3 − 5
(+2−4=2)
37.5%
3.0 / 8
66.7%
−96
= = 0 0 0 1 1 0
–   Googleplex Starthinker 1.6 64-bit2381+20
−21
(−11)16 − 20
(+8−12=16)
44.4%
16.0 / 36
77.7%
−43
= 0 1 1 0 1 0 = 0 1 0 0 = 0 = = = = 1 0 = 0 = 1 = 0 = = 1 = 1 = 0 = = 0
–   Jazz 721 64-bit2379+19
−19
(−13)7 − 3
(+6−2=2)
70.0%
7.0 / 10
81.4%
+136
1 1 1 1 1 = 0 0 = 1
–   Isa 2.0.83 64-bit2377+33
−33
(−15)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
77.5%
−90
0 = = = = 1 0 1 0 0 0 =
–   Waxman 20172371+16
−16
(−21)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
93.8%
−116
1 = 0 0
–   Tytan 9.32 64-bit2368+23
−23
(−24)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
92.9%
+152
= = 0 = 1 1 1 1 1 1
–   Raven 0.80 64-bit2368+29
−29
(−24)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
90.8%
−148
0 = 0 = 0 0 1 =
–   Isa 2.0.64 64-bit2363+16
−16
(−29)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
98.1%
−71
0 1 0 0 1 1 1 0 = 0
–   Topple 0.1.1 64-bit2362+23
−22
(−30)5 − 5
(+4−4=2)
50.0%
5.0 / 10
96.9%
−30
= 0 1 0 1 1 0 1 0 =
–   Plisk 0.2.7d 64-bit2362+19
−19
(−30)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
98.0%
+1
= 0 1 1 1 = 0 0 = 1
–   pikoSzachy Extreme 22356+34
−34
(−36)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
96.3%
+80
1 1 1 1 1 0 = 0 1 0
–   K2 0.672355+23
−23
(−37)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.0%
−136
0 = 1 0 1 0 0 = = 0
–   KnightX 1.94 64-bit2352+22
−22
(−40)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.5%
+60
1 0 1 1 = 1 0 = = 1
–   Isa 2.1 64-bit2350+28
−28
(−42)8 − 4
(+6−2=4)
66.7%
8.0 / 12
99.1%
+68
= 1 1 0 = 0 1 = 1 = 1 1
–   Barbarossa 0.6.0 64-bit2343+35
−35
(−49)7.5 − 4.5
(+7−4=1)
62.5%
7.5 / 12
99.1%
+52
1 1 0 1 1 0 1 1 0 1 = 0
–   OliThink 5.4.0 64-bit2343+130
−136
(−49)1 − 1
(+1−1=0)
50.0%
1.0 / 2
76.7%
−49
0 1
–   Gibbon 2.60a 64-bit2338+21
−21
(−54)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+45
= 0 1 1 = 0 1 = 1 1
–   EveAnn 1.712336+29
−29
(−56)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.9%
−184
0 = = 1 0 0 0 0 = =
–   Butcher 1.61 64-bit2335+30
−30
(−57)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+51
1 = 0 0 1 1 1 = 1 =
–   FireFly 2.7.2 64-bit2329+16
−16
(−63)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−63
1 0
–   Zeus 1.272327+25
−25
(−65)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−92
1 = = = = 0 1 0 0 =
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−71)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−15
= = = 1 1 = = 1 0 =
–   EveAnn 1.722319+16
−16
(−73)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+69
1 =
–   RubiChess 0.7 64-bit2305+24
−24
(−87)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−13
= 0 0 1 1 0 1 1 1 =
–   Ant 2006-F2302+19
−19
(−90)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+16
0 1 1 1 = 1 0 = 1 =
–   CT800 1.34 64-bit2297+20
−20
(−95)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+105
0 = 1 1 1 1
–   Invictus r228 64-bit2292+18
−18
(−100)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−7
= 1 0 1
–   Matilde 2008 64-bit2290+21
−21
(−102)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−38
1 1 0 = = 0 1 = = 1
–   Chaturanga 2.4.32290+19
−19
(−102)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+125
1 1 1 1 = 0 = 1 1 1
–   Raven 0.70 64-bit2282+29
−29
(−110)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−266
= 0 = 0
–   CeeChess 1.3.2 64-bit2274+29
−30
(−118)7 − 1
(+7−1=0)
87.5%
7.0 / 8
100.0%
+269
1 1 1 0 1 1 1 1
–   Ayito 0.2.9942265+20
−20
(−127)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−25
= 0 1 = 1 1 0 1 = 1
–   Hedgehog 1.99 64-bit2243+36
−35
(−149)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−149
0 1
–   Absolute Zero 3.3.2.0 64-bit2243+63
−64
(−149)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   SpaceDog 0.97.7 64-bit2234+24
−24
(−158)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
0
1 =
–   RamJet 0.132233+20
−20
(−159)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+165
1 1 = 1 1 1 1 1 = 1
–   Robocide 0.4 64-bit2213+39
−39
(−179)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Achillees 1.0 64-bit2210+29
−30
(−182)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
−28
0 1 0 1 1 1
–   MORA 1.1.02190+28
−28
(−202)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−202
= =
–   Micah 1.0 64-bit2165+25
−25
(−227)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−227
= =
–   Little Wing 0.6.0 64-bit2075+33
−33
(−317)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1

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Created in 2005-2013 by CCRL team
Last games added on June 27, 2020