CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
White score: 54.5%

Engine Details

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Show each game results
Zevra 2.1.2 r248 64-bit#260‑261  (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-bit2649+27
−27
(+258)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Donna 4.1 64-bit2587+14
−14
(+196)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+128
= = 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-bit2560+19
−19
(+169)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+396
0 1 1 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
–   Detroid 1.0.1 64-bit2558+18
−18
(+167)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+16
= 0 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
–   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-bit2545+52
−52
(+154)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
0 0 = 1 = 1 0 1 = 1 0 = 1 1 0 = 1 =
–   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-bit2502+24
−24
(+111)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−216
0 0 0 = 0 0 0 0 = 0
–   WyldChess 1.1 64-bit2501+28
−28
(+110)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+54
= = 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 1 0 0 0 = 0 =
–   Bumblebee 1.0 64-bit2467+21
−21
(+76)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
+1
0 1 1 0 0 0 0 1 = =
–   Nemeton 1.812464+19
−19
(+73)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.0%
−50
0 = 0 0 1 1 0 0 1 0
–   Giraffe 20150908 64-bit2463+19
−18
(+72)6 − 4
(+5−3=2)
60.0%
6.0 / 10
0.0%
+139
= 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-bit2448+29
−28
(+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-bit2447+19
−19
(+56)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+28
1 = 0 = 1 1 0 = 0 0
–   Mephisto Gideon Professional2445+23
−23
(+54)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+22
= 0 0 0 1 = 1 = 0 1
–   Hussar 0.42445+17
−17
(+54)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
–   Teki 2 64-bit2440+16
−16
(+49)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+42
1 0 1 1 = 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
–   Tunguska 1.1 64-bit2439+18
−18
(+48)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+26
= = 0 0 1 0 1 0 = = 0 1 1 =
–   Snitch 1.6.2 64-bit2434+21
−21
(+43)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.2%
+48
0 = 0 = 1 0 1 0 1 1
–   NoC 4.20 64-bit2426+23
−23
(+35)17 − 15
(+14−12=6)
53.1%
17.0 / 32
1.1%
+59
0 1 = 1 0 0 0 0 1 1 = 1 1 1 1 0 0 0 1 0 1 0 = 1 = = 0 1 1 1 = 0
–   Bitfoot 1.0.d9aeb43 64-bit2420+25
−25
(+29)3 − 7
(+1−5=4)
30.0%
3.0 / 10
3.4%
−98
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
3.8%
+68
1 0 0 0 1 = 1 0 1 1
–   RomiChess P3n 64-bit2415+13
−13
(+24)2 − 6
(+1−5=2)
25.0%
2.0 / 8
2.3%
−159
0 0 1 0 0 0 = =
–   Hedgehog 2.0 64-bit2413+31
−31
(+22)10 − 16
(+6−12=8)
38.5%
10.0 / 26
11.6%
−59
= 0 = 0 1 0 1 1 0 = 0 = 0 0 1 0 = 1 1 0 0 0 = = 0 =
–   KnightDreamer 3.32398+26
−26
(+7)6 − 4
(+4−2=4)
60.0%
6.0 / 10
33.9%
+66
= 1 = 0 1 1 = 1 0 =
–   Popochin 4.1 64-bit2397+16
−16
(+6)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
32.8%
+124
0 0 1 1 0 1 1 1 1 =
–   Myrddin 0.87 64-bit2397+13
−13
(+6)20 − 18
(+14−12=12)
52.6%
20.0 / 38
29.4%
+21
= = = 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1 0 = 0 1 = = 1 0 0 1 = 0
–   Patzer 3.802397+19
−19
(+6)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
32.4%
+42
1 0 1 0 1 1 1 0 = 0
–   Amateur 2.822396+19
−19
(+5)3 − 7
(+3−7=0)
30.0%
3.0 / 10
37.6%
−181
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
45.8%
−45
= 0 1 = 1 0 0 0 = 0 1 0 1 1 = = 0 = 0 =
–   Ares GB 64-bit2392+14
−14
(+1)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
46.1%
−26
= = 1 0 1 0 0 1 1 0 0 =
–   Ares GB 1.1 64-bit2389+22
−22
(−2)11.5 − 8.5
(+9−6=5)
57.5%
11.5 / 20
54.5%
+50
= = 0 0 1 1 = 1 0 0 = 1 1 0 1 1 1 1 0 =
–   CT800 1.41 64-bit2388+29
−29
(−3)8 − 4
(+7−3=2)
66.7%
8.0 / 12
57.5%
+128
= 1 0 1 1 = 1 0 1 1 0 1
–   Googleplex Starthinker 1.6 64-bit2385+18
−18
(−6)21.5 − 26.5
(+10−15=23)
44.8%
21.5 / 48
67.8%
−37
= = = = = 0 0 = 1 = 0 = = 1 = 1 = 0 0 = = 1 0 1 0 = 0 = = = = = = 0 1 1 0 1 0 = 0 1 0 0 = 0 1 =
–   FrankWalter 2.2.3 64-bit2384+31
−31
(−7)5 − 5
(+4−4=2)
50.0%
5.0 / 10
64.3%
−7
= 0 0 1 1 = 1 0 1 0
–   Isa 2.0.83 64-bit2383+24
−24
(−8)11.5 − 16.5
(+8−13=7)
41.1%
11.5 / 28
69.3%
−70
1 0 0 1 1 1 = 0 1 0 0 0 0 0 0 = 1 1 0 0 = = = = = 0 0 1
–   Jazz 721 64-bit2379+19
−19
(−12)7 − 3
(+6−2=2)
70.0%
7.0 / 10
80.2%
+138
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
93.7%
−115
1 = 0 0
–   Raven 0.80 64-bit2369+29
−29
(−22)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
89.0%
−146
0 1 = = 0 0 = 0
–   Tytan 9.32 64-bit2369+23
−23
(−22)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
92.2%
+154
1 1 = = 0 = 1 1 1 1
–   Isa 2.0.64 64-bit2364+16
−16
(−27)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
98.2%
−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
97.9%
+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
98.2%
−31
1 1 = 0 1 0 0 1 0 =
–   pikoSzachy Extreme 22357+34
−34
(−34)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
95.9%
+82
1 0 1 1 1 1 = 0 1 0
–   K2 0.672356+23
−23
(−35)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
99.0%
−134
1 0 0 = 1 0 0 = = 0
–   Barbarossa 0.6.0 64-bit2354+25
−25
(−37)16 − 12
(+14−10=4)
57.1%
16.0 / 28
99.0%
+18
0 1 0 = 1 1 0 1 1 = 0 1 0 1 0 0 1 0 1 1 = 1 0 1 1 1 0 =
–   Ceibo 0.5 64-bit2353+25
−25
(−38)21 − 15
(+18−12=6)
58.3%
21.0 / 36
99.3%
+23
0 = 0 1 1 0 0 = = 0 1 1 1 1 1 0 = 1 0 1 1 0 1 0 0 1 1 0 1 = 1 1 1 1 = 0
–   KnightX 1.94 64-bit2352+22
−22
(−39)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.5%
+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 = 0 1 = 1 = 1 1 1 1 =
–   Jazz 840 64-bit2341+15
−15
(−50)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−109
= 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
1 0
–   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+15
−15
(−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
1 1 1 1 = 0
–   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
–   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
–   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
–   Raven 0.70 64-bit2283+29
−29
(−108)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−264
0 = 0 =
–   FoxSEE 5.3 64-bit2281+66
−68
(−110)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
99.9%
−190
1 0 = 0
–   CeeChess 1.3.2 64-bit2270+25
−25
(−121)12 − 4
(+11−3=2)
75.0%
12.0 / 16
100.0%
+85
1 0 1 1 1 = 0 1 1 1 1 1 = 1 1 0
–   Ayito 0.2.9942268+20
−20
(−123)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−21
0 1 = 0 1 = 1 1 = 1
–   Absolute Zero 3.3.2.0 64-bit2253+32
−33
(−138)9 − 3
(+8−2=2)
75.0%
9.0 / 12
100.0%
+54
1 = 0 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 0.132236+19
−19
(−155)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+170
1 1 1 1 = 1 1 1 = 1
–   SpaceDog 0.97.7 64-bit2230+22
−22
(−161)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+19
1 1 1 = = 1 1 0
–   Cinnamon 2.3.3 64-bit2219+115
−125
(−172)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.8%
−36
= 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-bit2200+27
−27
(−191)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+18
1 = 1 1 1 1 0 1 0 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-bit2123+115
−138
(−268)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−268
= =
–   Little Wing 0.6.0 64-bit2075+33
−33
(−316)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 March 6, 2021