CCRL 40/15
Downloads and Statistics
April 12, 2021
Testing summary:
Total: 1'235'231 games
played by 2'819 programs

White wins: 423'584 (34.3%)
Black wins: 311'244 (25.2%)
Draws: 500'403 (40.5%)
White score: 54.5%

Engine Details

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Show each game results
Zevra 2.1.2 r248 64-bit#261  (2391+19
−19
)Quote
Author: Oleg Smirnov (Russia) Links: github, SDChess
This is one of the 6 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Mr Bob 0.8.0 64-bit2655+26
−25
(+264)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Donna 4.1 64-bit2585+14
−14
(+194)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+126
= = 0 =
–   Delocto 0.6 64-bit2580+15
−15
(+189)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+14
= = 0 0 0 0 1 0 = 0
–   Jumbo 0.7.0 64-bit2559+18
−19
(+168)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+395
1 1 0 1
–   Mr Bob 0.7.1 64-bit2558+28
−28
(+167)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Velvet 1.0.0 64-bit2557+24
−24
(+166)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+23
= 0 = 0
–   Detroid 1.0.1 64-bit2557+18
−18
(+166)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+15
0 = = 0
–   Ghost 3.1 64-bit2552+15
−15
(+161)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+128
1 1 0 = 0 0 0 1 = =
–   paulchen332 0.1.1 64-bit2547+48
−47
(+156)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   KnightX 1.98 64-bit2542+27
−27
(+151)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Supernova 2.2.1 64-bit2540+29
−29
(+149)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Axolotl 1.9 64-bit2529+19
−19
(+138)10 − 8
(+7−5=6)
55.6%
10.0 / 18
0.0%
+172
1 1 0 = 1 = 0 = = 1 1 0 1 0 = = 1 0
–   KnightX 2.3 64-bit2525+26
−26
(+134)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−148
0 0 = 0
–   Bagatur 1.5g 64-bit2503+24
−24
(+112)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−215
0 0 0 = 0 0 0 0 = 0
–   WyldChess 1.1 64-bit2500+27
−28
(+109)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+53
= = 0 0 = = 1 = = 0
–   Arasan 10.32498+23
−23
(+107)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+107
= = 1 1 0 0 0 1 0 1
–   Zurichess Geneva 64-bit2484+26
−26
(+93)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−56
0 0 0 0 1 0 = 1 0 =
–   Drosophila 1.5.1 64-bit2479+15
−15
(+88)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+88
= = 1 0
–   Shield 1.2 64-bit2474+26
−26
(+83)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−17
0 1 0 = 0 = 1 0 = 0
–   Halogen 6 64-bit2472+37
−37
(+81)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−200
0 = 0 0
–   Raven 0.90 64-bit2470+30
−30
(+79)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−104
0 0 0 = 0 = 0 1
–   Bumblebee 1.0 64-bit2466+21
−21
(+75)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
0
0 1 1 0 0 0 0 1 = =
–   Nemeton 1.812465+18
−18
(+74)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.0%
−49
1 1 0 1 0 0 0 = 0 0
–   Giraffe 20150908 64-bit2462+19
−18
(+71)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+138
= 1 1 0 1 0 = 1 1 0
–   Donna 3.0 64-bit2462+32
−32
(+71)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−3
0 1 0 1 1 = 0 0 = 0
–   Stash 18.0 64-bit2447+29
−28
(+56)4 − 8
(+2−6=4)
33.3%
4.0 / 12
0.1%
−51
0 1 0 0 = 0 = = = 0 0 1
–   Axolotl 1.8 64-bit2446+19
−19
(+55)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+27
1 = 0 = 1 1 0 = 0 0
–   Mephisto Gideon Professional2444+23
−23
(+53)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+21
= 0 0 0 1 = 1 = 0 1
–   Hussar 0.42444+16
−17
(+53)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Bearded N44.5 64-bit2441+20
−20
(+50)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−54
= = 1 1 0 0 0 0 = 0
–   Nemeton 1.62440+24
−24
(+49)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.1%
−38
0 0 1 0 1 0 0 1 1 0
–   Teki 2 64-bit2440+16
−16
(+49)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+42
1 = = 0 0 1 0 1
–   Tunguska 1.1 64-bit2439+18
−18
(+48)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+26
0 = 1 = 0 0 1 0 0 1 = = 1 =
–   Snitch 1.6.2 64-bit2435+21
−21
(+44)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.1%
+49
0 = 0 = 1 0 1 0 1 1
–   NoC 4.20 64-bit2427+23
−23
(+36)17 − 15
(+14−12=6)
53.1%
17.0 / 32
0.8%
+60
0 1 1 0 = 1 = = 0 1 0 0 1 = 1 1 1 1 0 1 1 = 1 0 0 0 0 1 1 0 = 0
–   Bitfoot 1.0.d9aeb43 64-bit2422+25
−25
(+31)3 − 7
(+1−5=4)
30.0%
3.0 / 10
2.8%
−96
1 0 = 0 = = 0 = 0 0
–   Gaia 3.5 64-bit2417+21
−21
(+26)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
3.6%
+68
1 0 0 0 1 = 1 0 1 1
–   RomiChess P3n 64-bit2414+13
−13
(+23)2 − 6
(+1−5=2)
25.0%
2.0 / 8
2.7%
−160
= = 0 0 0 1 0 0
–   Hedgehog 2.0 64-bit2411+30
−30
(+20)10 − 16
(+6−12=8)
38.5%
10.0 / 26
13.1%
−61
0 1 = = = 1 1 0 = 0 0 = 1 0 0 = 0 0 1 0 = 0 0 1 0 =
–   KnightDreamer 3.32398+26
−26
(+7)6 − 4
(+4−2=4)
60.0%
6.0 / 10
34.5%
+66
= 1 = 0 1 1 = 1 0 =
–   Myrddin 0.87 64-bit2397+13
−13
(+6)20 − 18
(+14−12=12)
52.6%
20.0 / 38
30.5%
+21
= 0 = 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1 0 1 0 = 1 0 = = 0 = = 1
–   Popochin 4.1 64-bit2397+16
−16
(+6)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
33.8%
+124
1 1 = 1 1 0 0 0 1 1
–   Patzer 3.802397+19
−19
(+6)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
33.5%
+42
1 0 1 0 1 1 1 0 = 0
–   Amateur 2.822395+19
−19
(+4)3 − 7
(+3−7=0)
30.0%
3.0 / 10
38.6%
−182
0 1 0 1 0 0 0 0 0 1
–   CT800 1.40 64-bit2393+28
−28
(+2)8.5 − 11.5
(+5−8=7)
42.5%
8.5 / 20
46.5%
−45
0 0 = 0 0 = 1 = = 0 = = 1 0 1 = 1 0 1 0
–   Ares GB 64-bit2392+14
−14
(+1)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
47.2%
−26
1 1 = 0 0 0 = = 1 0 1 0
–   Ares GB 1.1 64-bit2390+22
−22
(−1)11.5 − 8.5
(+9−6=5)
57.5%
11.5 / 20
54.2%
+51
1 1 0 1 0 1 1 = = 1 0 1 1 0 0 1 = = 0 =
–   CT800 1.41 64-bit2387+29
−29
(−4)8 − 4
(+7−3=2)
66.7%
8.0 / 12
58.9%
+127
0 1 1 = 1 1 = 1 1 0 0 1
–   Googleplex Starthinker 1.6 64-bit2386+18
−18
(−5)21.5 − 26.5
(+10−15=23)
44.8%
21.5 / 48
64.7%
−36
= 0 1 1 0 1 0 1 0 0 = 0 0 = = = = = = = = 0 = 1 = 0 = = 1 = 1 = 0 0 0 0 = = = = 0 = 1 1 0 = 1 =
–   FrankWalter 2.2.3 64-bit2384+31
−31
(−7)5 − 5
(+4−4=2)
50.0%
5.0 / 10
65.0%
−7
= 0 0 1 1 = 1 0 1 0
–   Isa 2.0.83 64-bit2380+23
−23
(−11)11.5 − 16.5
(+8−13=7)
41.1%
11.5 / 28
78.2%
−73
= = 0 = = 1 1 0 = 1 1 0 = 0 0 1 0 1 0 = 0 0 0 0 1 0 0 1
–   Jazz 721 64-bit2378+19
−19
(−13)7 − 3
(+6−2=2)
70.0%
7.0 / 10
83.4%
+137
1 = 1 1 1 1 0 0 = 1
–   Waxman 20172371+16
−16
(−20)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
94.1%
−115
1 = 0 0
–   Tytan 9.32 64-bit2369+23
−23
(−22)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
92.6%
+154
1 1 = = 0 = 1 1 1 1
–   Raven 0.80 64-bit2369+29
−29
(−22)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
89.3%
−146
1 = 0 = 0 = 0 0
–   Isa 2.0.64 64-bit2364+16
−16
(−27)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
98.3%
−69
1 1 0 1 0 0 1 0 = 0
–   Plisk 0.2.7d 64-bit2363+19
−19
(−28)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
98.0%
+3
1 = = 0 1 1 0 0 = 1
–   Topple 0.1.1 64-bit2360+22
−22
(−31)5 − 5
(+4−4=2)
50.0%
5.0 / 10
98.3%
−31
1 1 = 0 1 0 0 1 0 =
–   Barbarossa 0.6.0 64-bit2357+25
−25
(−34)16 − 12
(+14−10=4)
57.1%
16.0 / 28
98.6%
+21
1 0 1 1 1 = 1 = 1 0 1 1 0 1 1 0 1 0 0 1 = 0 1 0 1 0 0 =
–   pikoSzachy Extreme 22356+34
−34
(−35)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
96.2%
+81
1 0 1 1 1 1 = 0 1 0
–   K2 0.672355+23
−23
(−36)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.1%
−135
1 0 0 = 1 0 0 = = 0
–   KnightX 1.94 64-bit2352+22
−22
(−39)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.6%
+62
= 1 1 0 1 1 0 = = 1
–   Isa 2.1 64-bit2352+28
−28
(−39)8 − 4
(+6−2=4)
66.7%
8.0 / 12
98.9%
+71
0 1 = 1 1 1 = 0 = = 1 1
–   Ceibo 0.5 64-bit2352+25
−25
(−39)21 − 15
(+18−12=6)
58.3%
21.0 / 36
99.4%
+22
0 1 1 0 1 0 0 1 1 = 1 1 1 1 1 1 1 1 1 1 1 0 1 0 0 = 0 1 0 0 = = 0 = = 0
–   Jazz 840 64-bit2340+15
−15
(−51)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−110
= = = 0
–   FoxSEE 5.3 64-bit2337+30
−30
(−54)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
99.9%
−136
0 1 = 0
–   Gibbon 2.60a 64-bit2337+20
−20
(−54)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+45
1 = = 0 1 1 = 0 1 1
–   EveAnn 1.712336+28
−28
(−55)3 − 7
(+1−5=4)
30.0%
3.0 / 10
99.9%
−183
0 0 0 = = 1 0 0 = =
–   Butcher 1.61 64-bit2335+30
−30
(−56)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.9%
+52
1 = 1 = 0 0 1 1 1 =
–   FireFly 2.7.2 64-bit2329+16
−16
(−62)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−62
0 1
–   Zeus 1.272326+25
−25
(−65)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−92
= 0 1 = = = 1 0 0 =
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−70)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−14
= 1 = = = 1 1 = 0 =
–   EveAnn 1.722320+16
−16
(−71)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+71
1 =
–   Ant 2006-F2302+19
−19
(−89)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+17
= 1 0 = 0 1 1 1 1 =
–   RubiChess 0.7 64-bit2302+23
−23
(−89)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−15
1 0 = 0 0 1 1 1 1 =
–   CT800 1.34 64-bit2297+20
−20
(−94)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+106
0 1 = 1 1 1
–   Invictus r228 64-bit2292+18
−18
(−99)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−6
= 1 0 1
–   Matilde 2008 64-bit2290+21
−21
(−101)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−37
= 0 1 1 0 = 1 = = 1
–   Chaturanga 2.4.32290+19
−19
(−101)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+126
= 1 1 1 1 1 = 0 1 1
–   Raven 0.70 64-bit2282+29
−29
(−109)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−265
= 0 = 0
–   CeeChess 1.3.2 64-bit2270+24
−25
(−121)12 − 4
(+11−3=2)
75.0%
12.0 / 16
100.0%
+85
0 1 = 1 1 1 = 1 1 1 1 0 1 1 1 0
–   Ayito 0.2.9942269+20
−20
(−122)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−20
0 1 = 0 1 = 1 1 = 1
–   Absolute Zero 3.3.2.0 64-bit2254+32
−33
(−137)9 − 3
(+8−2=2)
75.0%
9.0 / 12
100.0%
+55
= 0 1 1 1 0 1 1 1 1 = 1
–   Hedgehog 1.99 64-bit2242+36
−36
(−149)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−149
1 0
–   RamJet 0.132232+19
−19
(−159)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+166
1 1 1 1 = 1 1 1 = 1
–   SpaceDog 0.97.7 64-bit2231+22
−22
(−160)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+20
1 1 1 0 = = 1 1
–   Cinnamon 2.3.3 64-bit2226+115
−125
(−165)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.7%
−29
= 1
–   Robocide 0.4 64-bit2213+38
−38
(−178)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Achillees 1.0 64-bit2199+27
−27
(−192)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+17
0 1 0 1 1 = 1 1 1 1
–   MORA 1.1.02184+27
−28
(−207)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+24
1 1 1 = 1 =
–   Micah 1.0 64-bit2163+25
−25
(−228)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−228
= =
–   Fornax 1-2 64-bit2129+115
−138
(−262)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−262
= =
–   Little Wing 0.6.0 64-bit2074+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 April 12, 2021