CCRL 40/15
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 1'166'106 games
played by 2'690 programs

White wins: 402'287 (34.5%)
Black wins: 297'247 (25.5%)
Draws: 466'572 (40.0%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#247‑248  (2397+21
−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
(+182)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
+7
= 0 0 0 0 0 1 0 = =
–   Jumbo 0.7.0 64-bit2557+21
−21
(+160)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+387
1 1 0 1
–   Detroid 1.0.1 64-bit2552+21
−21
(+155)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+4
0 = = 0
–   Ghost 3.1 64-bit2551+15
−15
(+154)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+121
= = 0 = 0 0 0 1 1 1
–   KnightX 1.98 64-bit2544+29
−29
(+147)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Axolotl 1.9 64-bit2511+23
−23
(+114)8 − 6
(+6−4=4)
57.1%
8.0 / 14
0.0%
+159
0 = 1 1 0 = 1 = = 1 0 1 0 1
–   Bagatur 1.5g 64-bit2501+24
−25
(+104)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−222
= 0 0 = 0 0 0 0 0 0
–   WyldChess 1.1 64-bit2501+28
−28
(+104)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+48
1 = = 0 0 0 = = = =
–   Arasan 10.32498+23
−23
(+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-bit2484+26
−26
(+87)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−62
= 1 0 = 0 0 1 0 0 0
–   Drosophila 1.5.1 64-bit2479+15
−15
(+82)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+82
= = 1 0
–   Shield 1.2 64-bit2474+26
−26
(+77)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−23
1 0 = 0 0 = 0 = 0 1
–   Raven 0.90 64-bit2468+30
−30
(+71)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−112
0 0 0 1 0 = 0 =
–   Nemeton 1.812466+21
−21
(+69)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
0.0%
−126
1 0 0 0 0 =
–   Bumblebee 1.0 64-bit2463+23
−23
(+66)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−8
= = 1 0 0 0 0 1 0 1
–   Donna 3.0 64-bit2461+32
−32
(+64)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−10
= 0 0 1 1 = 0 0 0 1
–   Giraffe 20150908 64-bit2461+19
−19
(+64)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+131
1 0 1 0 1 0 = 1 = 1
–   Stash 18.0 64-bit2454+32
−32
(+57)4 − 8
(+2−6=4)
33.3%
4.0 / 12
0.1%
−50
= = = 0 0 1 0 0 = 0 0 1
–   Axolotl 1.8 64-bit2446+19
−19
(+49)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+21
0 0 0 = 1 1 0 = 1 =
–   Hussar 0.42445+17
−17
(+48)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Mephisto Gideon Professional2444+25
−25
(+47)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+15
1 = 0 1 0 0 1 = = 0
–   Teki 2 64-bit2441+16
−16
(+44)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.1%
+37
1 = = 0 0 1 0 1
–   Nemeton 1.62439+24
−24
(+42)4 − 6
(+4−6=0)
40.0%
4.0 / 10
0.5%
−45
0 1 1 0 1 0 1 0 0 0
–   Bearded N44.5 64-bit2439+20
−20
(+42)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.2%
−62
= 0 1 1 0 0 0 0 = =
–   Tunguska 1.1 64-bit2434+20
−20
(+37)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.5%
−18
0 = 1 = 0 0 0 1 0 1 = =
–   Snitch 1.6.2 64-bit2433+21
−21
(+36)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.9%
+41
1 0 1 1 0 = 1 0 0 =
–   NoC 4.20 64-bit2419+28
−28
(+22)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
10.9%
+42
0 = 1 = = 0 1 = 1 0 0 0 0 1 = 1 1 1
–   Bitfoot 1.0.d9aeb43 64-bit2419+25
−25
(+22)3 − 7
(+1−5=4)
30.0%
3.0 / 10
9.7%
−105
0 0 = 0 = = 0 = 1 0
–   Gaia 3.5 64-bit2417+21
−21
(+20)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
9.4%
+62
1 1 0 0 1 = 1 0 1 0
–   RomiChess P3n 64-bit2416+14
−13
(+19)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
7.2%
−76
1 0 0 =
–   Hedgehog 2.0 64-bit2403+46
−46
(+6)6 − 8
(+5−7=2)
42.9%
6.0 / 14
41.2%
−51
1 0 = 1 = 0 0 0 1 0 0 1 1 0
–   CT800 1.40 64-bit2401+29
−29
(+4)7 − 9
(+4−6=6)
43.8%
7.0 / 16
41.5%
−32
0 1 0 0 = 0 = 0 1 = 1 = = 0 = 1
–   KnightDreamer 3.32401+27
−27
(+4)6 − 4
(+4−2=4)
60.0%
6.0 / 10
41.5%
+63
= 1 0 = = 0 1 1 = 1
–   Patzer 3.802397+19
−19
(0)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
49.9%
+36
1 0 = 0 1 0 1 1 1 0
–   Popochin 4.1 64-bit2396+16
−16
(−1)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
52.1%
+117
1 1 = 1 1 0 1 1 0 0
–   Myrddin 0.87 64-bit2395+13
−13
(−2)17.5 − 12.5
(+13−8=9)
58.3%
17.5 / 30
55.8%
+53
= = 1 = = 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1 1 0
–   Amateur 2.822395+19
−19
(−2)3 − 7
(+3−7=0)
30.0%
3.0 / 10
56.1%
−188
0 1 0 0 0 0 0 1 0 1
–   Ares GB 64-bit2392+14
−14
(−5)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
65.2%
−32
1 1 = 0 0 = = 1 0 1 0 0
–   FrankWalter 2.2.3 64-bit2390+32
−32
(−7)5 − 5
(+4−4=2)
50.0%
5.0 / 10
63.1%
−7
1 0 0 1 1 = 1 0 = 0
–   Ares GB 1.1 64-bit2385+27
−27
(−12)3 − 5
(+2−4=2)
37.5%
3.0 / 8
75.4%
−100
1 0 0 1 0 0 = =
–   Googleplex Starthinker 1.6 64-bit2382+20
−20
(−15)16 − 20
(+8−12=16)
44.4%
16.0 / 36
84.3%
−47
= 0 1 1 0 1 0 1 0 0 = 0 0 = 0 = = = = = 1 0 = = 0 = 1 = 0 = = 1 = 1 = 0
–   Isa 2.0.83 64-bit2379+30
−30
(−18)8.5 − 7.5
(+6−5=5)
53.1%
8.5 / 16
82.5%
+4
= = 0 = = 0 0 0 0 1 1 = 1 1 1 1
–   Jazz 721 64-bit2378+19
−19
(−19)7 − 3
(+6−2=2)
70.0%
7.0 / 10
89.5%
+131
0 0 = 1 1 1 1 1 1 =
–   Ceibo 0.5 64-bit2375+35
−35
(−22)7.5 − 6.5
(+7−6=1)
53.6%
7.5 / 14
85.6%
+5
1 1 1 0 1 0 0 0 0 = 0 1 1 1
–   Waxman 20172371+16
−16
(−26)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
97.1%
−121
1 = 0 0
–   Tytan 9.32 64-bit2369+23
−23
(−28)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
96.0%
+148
1 1 1 1 = = 0 = 1 1
–   Raven 0.80 64-bit2368+29
−29
(−29)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
94.2%
−153
= 0 = 0 0 = 1 0
–   Isa 2.0.64 64-bit2364+16
−16
(−33)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
99.3%
−75
1 0 = 0 0 1 0 0 1 1
–   Topple 0.1.1 64-bit2362+22
−22
(−35)5 − 5
(+4−4=2)
50.0%
5.0 / 10
98.8%
−35
0 1 0 = = 0 1 0 1 1
–   Plisk 0.2.7d 64-bit2362+19
−19
(−35)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
99.2%
−3
0 0 = 1 = 0 1 1 1 =
–   pikoSzachy Extreme 22356+34
−34
(−41)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
97.8%
+75
= 0 1 0 1 1 1 1 1 0
–   K2 0.672355+23
−23
(−42)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.6%
−141
0 = = 0 0 = 1 0 1 0
–   KnightX 1.94 64-bit2352+22
−22
(−45)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.8%
+56
0 = = 1 1 0 1 1 = 1
–   Isa 2.1 64-bit2350+28
−28
(−47)8 − 4
(+6−2=4)
66.7%
8.0 / 12
99.6%
+63
= 1 1 0 = 1 0 1 = 1 = 1
–   Barbarossa 0.6.0 64-bit2345+33
−33
(−52)10 − 6
(+9−5=2)
62.5%
10.0 / 16
99.6%
+44
1 0 1 1 1 1 = 0 1 1 0 0 1 = 1 0
–   Gibbon 2.60a 64-bit2338+20
−20
(−59)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+40
1 1 = 0 1 1 = 0 1 =
–   Butcher 1.61 64-bit2335+30
−30
(−62)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+46
1 = 1 = 0 0 1 1 1 =
–   EveAnn 1.712335+28
−28
(−62)3 − 7
(+1−5=4)
30.0%
3.0 / 10
100.0%
−190
= = 0 = = 1 0 0 0 0
–   FireFly 2.7.2 64-bit2329+16
−16
(−68)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−68
0 1
–   Zeus 1.272326+25
−25
(−71)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−98
1 0 0 = 1 = = = = 0
–   Googleplex Starthinker 1.4 64-bit2321+17
−17
(−76)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−20
0 = = = = 1 1 = = 1
–   EveAnn 1.722319+16
−16
(−78)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+64
1 =
–   FoxSEE 4.0.0 64-bit2306+87
−86
(−91)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
97.7%
−1
1 0 1 =
–   RubiChess 0.7 64-bit2305+24
−23
(−92)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−18
1 1 1 = = 0 0 1 1 0
–   Ant 2006-F2302+19
−19
(−95)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+11
1 = 0 1 1 1 = 1 0 =
–   CT800 1.34 64-bit2297+20
−20
(−100)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+100
0 1 1 1 = 1
–   Invictus r228 64-bit2292+18
−18
(−105)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−12
= 1 0 1
–   Chaturanga 2.4.32290+19
−19
(−107)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+120
1 1 1 1 1 1 = 0 = 1
–   Matilde 2008 64-bit2290+21
−21
(−107)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−43
1 = = 1 1 1 0 = = 0
–   Raven 0.70 64-bit2282+29
−29
(−115)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−271
= 0 = 0
–   CeeChess 1.3.2 64-bit2269+28
−28
(−128)9 − 3
(+8−2=2)
75.0%
9.0 / 12
100.0%
+72
= 1 1 0 1 1 1 1 1 0 1 =
–   Ayito 0.2.9942265+20
−20
(−132)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−30
= 1 = 0 1 = 1 1 0 1
–   Hedgehog 1.99 64-bit2242+36
−36
(−155)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−155
0 1
–   RamJet 0.132233+19
−19
(−164)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+161
1 1 = 1 1 1 = 1 1 1
–   SpaceDog 0.97.7 64-bit2231+24
−24
(−166)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+29
1 = 1 1 1 0
–   Robocide 0.4 64-bit2212+39
−39
(−185)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Absolute Zero 3.3.2.0 64-bit2212+53
−55
(−185)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
100.0%
+68
1 1 1 1 = 0 1 1
–   Achillees 1.0 64-bit2208+28
−28
(−189)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+20
0 1 0 1 1 1 1 = 1 1
–   MORA 1.1.02184+27
−27
(−213)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+18
= 1 = 1 1 1
–   Halogen 4 64-bit2180+89
−96
(−217)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Micah 1.0 64-bit2162+25
−25
(−235)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−235
= =
–   Little Wing 0.6.0 64-bit2074+33
−33
(−323)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 August 1, 2020