CCRL 40/15
Downloads and Statistics
April 4, 2020
Testing summary:
Total: 1'134'104 games
played by 2'636 programs

White wins: 392'217 (34.6%)
Black wins: 290'683 (25.6%)
Draws: 451'204 (39.8%)
White score: 54.5%

Engine Details

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Zevra 2.1.2 r248 64-bit#244  (2397+24
−24		)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 = =
–   Ghost 3.1 64-bit2548+15
−16		(+151)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+118
= = 0 = 0 0 0 1 1 1
–   RookieMonster 1.7.1 64-bit2513+119
−110		(+116)0.5 − 2.5
(+0−2=1)		16.7%
0.5 / 3
2.6%
−98
0 = 0
–   Axolotl 1.9 64-bit2513+25
−26		(+116)6 − 4
(+4−2=4)		60.0%
6.0 / 10
0.0%
+174
1 1 0 = 1 = = 1 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 10.32496+23
−24		(+99)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.0%
+99
0 1 1 1 0 0 0 1 = =
–   Bagatur 1.5g 64-bit2494+25
−26		(+97)1 − 9
(+0−8=2)		10.0%
1.0 / 10
0.0%
−229
= 0 0 = 0 0 0 0 0 0
–   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-bit2478+15
−15		(+81)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+81
= 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
–   Hedgehog 2.0 64-bit2464+120
−114		(+67)1 − 2
(+1−2=0)		33.3%
1.0 / 3
13.7%
−79
0 0 1
–   Bumblebee 1.0 64-bit2461+23
−23		(+64)4 − 6
(+3−5=2)		40.0%
4.0 / 10
0.0%
−10
= = 1 0 0 0 0 1 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
–   Donna 3.0 64-bit2461+32
−32		(+64)4 − 6
(+3−5=2)		40.0%
4.0 / 10
0.1%
−10
= 0 0 1 1 = 0 0 0 1
–   Axolotl 1.8 64-bit2446+19
−19		(+49)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.1%
+21
0 0 0 = 1 1 0 = 1 =
–   Mephisto Gideon Professional2445+25
−25		(+48)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.4%
+16
1 = 0 1 0 0 1 = = 0
–   Teki 2 64-bit2441+16
−16		(+44)4 − 4
(+3−3=2)		50.0%
4.0 / 8
0.2%
+37
1 0 1 1 = = 0 0
–   Nemeton 1.62439+24
−24		(+42)4 − 6
(+4−6=0)		40.0%
4.0 / 10
0.8%
−45
0 1 1 0 1 0 1 0 0 0
–   Bearded N44.5 64-bit2438+20
−20		(+41)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.6%
−63
= 0 1 1 0 0 0 0 = =
–   Tunguska 1.1 64-bit2437+21
−21		(+40)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.7%
−48
0 0 1 0 = 1 = 0
–   Snitch 1.6.2 64-bit2433+21
−21		(+36)5 − 5
(+4−4=2)		50.0%
5.0 / 10
1.5%
+41
1 0 1 1 0 = 1 0 0 =
–   RomiChess P3n 64-bit2416+14
−13		(+19)1 − 2
(+1−2=0)		33.3%
1.0 / 3
9.7%
−123
1 0 0
–   Bitfoot 1.0.d9aeb43 64-bit2415+26
−26		(+18)3 − 7
(+1−5=4)		30.0%
3.0 / 10
16.7%
−108
0 0 = 0 = = 0 = 1 0
–   Gaia 3.5 64-bit2413+22
−22		(+16)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
16.6%
+58
1 1 0 0 1 = 1 0 1 0
–   KnightDreamer 3.32400+28
−28		(+3)6 − 4
(+4−2=4)		60.0%
6.0 / 10
44.3%
+62
= 1 0 = = 0 1 1 = 1
–   Patzer 3.802400+19
−19		(+3)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
42.3%
+39
1 0 = 0 1 0 1 1 1 0
–   Myrddin 0.87 64-bit2395+13
−14		(−2)16 − 11
(+12−7=8)		59.3%
16.0 / 27
57.3%
+60
= = 1 = 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1
–   Popochin 4.1 64-bit2394+17
−16		(−3)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
60.1%
+115
0 1 1 0 0 1 1 = 1 1
–   Ares GB 64-bit2392+14
−14		(−5)5.5 − 5.5
(+4−4=3)		50.0%
5.5 / 11
64.3%
0
= = 1 0 1 0 1 1 = 0 0
–   Amateur 2.822392+20
−20		(−5)3 − 7
(+3−7=0)		30.0%
3.0 / 10
62.4%
−190
0 1 0 0 0 0 0 1 0 1
–   FrankWalter 2.2.3 64-bit2391+32
−32		(−6)5 − 5
(+4−4=2)		50.0%
5.0 / 10
62.8%
−6
1 0 0 1 1 = 1 0 = 0
–   Jazz 721 64-bit2385+20
−20		(−12)7 − 3
(+6−2=2)		70.0%
7.0 / 10
78.7%
+137
0 0 = 1 1 1 1 1 1 =
–   Googleplex Starthinker 1.6 64-bit2383+22
−22		(−14)13 − 16
(+8−11=10)		44.8%
13.0 / 29
81.3%
−48
1 0 = 0 = 1 = 0 = = 1 = 1 = 0 = 0 1 1 0 1 0 = 0 1 0 0 = 0
–   Waxman 20172371+16
−16		(−26)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
96.3%
−121
1 = 0 0
–   Tytan 9.32 64-bit2369+23
−23		(−28)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
95.3%
+148
1 1 1 1 = = 0 = 1 1
–   Isa 2.0.83 64-bit2367+38
−38		(−30)2 − 6
(+0−4=4)		25.0%
2.0 / 8
91.1%
−179
0 0 0 = = 0 = =
–   Topple 0.1.1 64-bit2364+23
−23		(−33)5 − 5
(+4−4=2)		50.0%
5.0 / 10
97.4%
−33
0 1 0 = = 0 1 0 1 1
–   Isa 2.0.64 64-bit2363+16
−16		(−34)4.5 − 5.5
(+4−5=1)		45.0%
4.5 / 10
99.0%
−76
1 0 = 0 0 1 0 0 1 1
–   Raven 0.80 64-bit2362+31
−31		(−35)2 − 3
(+1−2=2)		40.0%
2.0 / 5
96.2%
−94
= 0 0 1 =
–   Plisk 0.2.7d 64-bit2361+19
−19		(−36)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
99.0%
−4
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
97.5%
+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
99.4%
−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
99.7%
+55
0 = = 1 1 0 1 1 = 1
–   Isa 2.1 64-bit2348+30
−30		(−49)7.5 − 3.5
(+6−2=3)		68.2%
7.5 / 11
99.5%
+72
1 = 1 1 0 = 0 1 = 1 1
–   Gibbon 2.60a 64-bit2336+21
−21		(−61)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+38
1 1 = 0 1 1 = 0 1 =
–   EveAnn 1.712336+29
−29		(−61)3 − 7
(+1−5=4)		30.0%
3.0 / 10
99.9%
−189
= = 0 = = 1 0 0 0 0
–   Butcher 1.61 64-bit2335+30
−30		(−62)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
99.9%
+46
1 = 1 = 0 0 1 1 1 =
–   Barbarossa 0.6.0 64-bit2334+41
−41		(−63)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
99.6%
+56
1 = 0 1 0 1 0 1 1 1
–   Zeus 1.272324+26
−26		(−73)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
100.0%
−100
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
–   CeeChess 1.3.2 64-bit2307+79
−81		(−90)4 − 1
(+4−1=0)		80.0%
4.0 / 5
98.3%
+181
1 0 1 1 1
–   RubiChess 0.7 64-bit2305+24
−24		(−92)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
−18
1 1 1 = = 0 0 1 1 0
–   Ant 2006-F2304+19
−20		(−93)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+13
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
1 1 1 1 = 0
–   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 2.4.32291+19
−19		(−106)8 − 2
(+7−1=2)		80.0%
8.0 / 10
100.0%
+121
1 1 1 1 1 1 = 0 = 1
–   Matilde 2008 64-bit2288+22
−22		(−109)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
−45
1 = = 1 1 1 0 = = 0
–   Raven 0.70 64-bit2283+29
−29		(−114)1 − 3
(+0−2=2)		25.0%
1.0 / 4
100.0%
−270
0 = 0 =
–   NoC 20.1 64-bit2268+77
−77		(−129)1 − 1
(+1−1=0)		50.0%
1.0 / 2
99.9%
−129
0 1
–   Ayito 0.2.9942266+20
−20		(−131)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-bit2249+35
−35		(−148)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−148
1 0
–   Absolute Zero 3.3.2.0 64-bit2244+105
−107		(−153)2 − 0
(+2−0=0)		100.0%
2.0 / 2
99.7%
+INF
1 1
–   SpaceDog 0.97.7 64-bit2240+25
−25		(−157)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
0
= 1
–   RamJet 0.132232+20
−20		(−165)9 − 1
(+8−0=2)		90.0%
9.0 / 10
100.0%
+159
1 1 = 1 1 1 = 1 1 1
–   Robocide 0.4 64-bit2211+41
−41		(−186)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Achillees 1.0 64-bit2207+30
−31		(−190)4 − 2
(+4−2=0)		66.7%
4.0 / 6
100.0%
−36
1 1 0 1 0 1
–   MORA 1.1.02197+30
−30		(−200)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−200
= =
–   Micah 1.0 64-bit2170+27
−27		(−227)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−227
= =
–   Little Wing 0.6.0 64-bit2077+33
−33		(−320)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
595 games: 228 wins, 209 losses, 158 draws (26.6%), score: 51.6%

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Created in 2005-2013 by CCRL team
Last games added on April 4, 2020