CCRL 40/15
Downloads and Statistics
January 18, 2020
Testing summary:
Total: 1'114'202 games
played by 2'605 programs

White wins: 385'748 (34.6%)
Black wins: 286'303 (25.7%)
Draws: 442'151 (39.7%)
White score: 54.5%

Engine Details

Options
Show each game results
Zevra 2.1.2 r248 64-bit#241  (2396+27
−27		)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-bit2577+15
−15		(+181)2.5 − 7.5
(+1−6=3)		25.0%
2.5 / 10
0.0%
+6
= = = 0 0 0 0 0 1 0
–   Ghost 3.1 64-bit2547+16
−16		(+151)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+118
1 1 = = 0 = 0 0 0 1
–   Axolotl 1.9 64-bit2512+27
−27		(+116)6 − 4
(+4−2=4)		60.0%
6.0 / 10
0.0%
+174
= 1 0 = 1 1 0 = 1 =
–   WyldChess 1.1 64-bit2500+28
−28		(+104)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
+48
= = 1 = = 0 0 0 = =
–   Bagatur 1.5g 64-bit2496+26
−26		(+100)1 − 9
(+0−8=2)		10.0%
1.0 / 10
0.0%
−226
0 0 = 0 0 = 0 0 0 0
–   Arasan 10.32495+24
−24		(+99)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.0%
+99
= = 0 1 1 1 0 0 0 1
–   Zurichess Geneva 64-bit2483+26
−26		(+87)3 − 7
(+2−6=2)		30.0%
3.0 / 10
0.0%
−62
0 0 = 1 0 = 0 0 1 0
–   Drosophila 1.5.1 64-bit2476+15
−15		(+80)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+80
= 1 0 =
–   Shield 1.2 64-bit2473+26
−26		(+77)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−23
0 1 1 0 = 0 0 = 0 =
–   Donna 3.0 64-bit2460+32
−32		(+64)4 − 6
(+3−5=2)		40.0%
4.0 / 10
0.1%
−10
0 1 = 0 0 1 1 = 0 0
–   Giraffe 20150908 64-bit2460+19
−19		(+64)6 − 4
(+5−3=2)		60.0%
6.0 / 10
0.0%
+131
= 1 1 0 1 0 1 0 = 1
–   Bumblebee 1.0 64-bit2456+23
−23		(+60)4 − 6
(+3−5=2)		40.0%
4.0 / 10
0.0%
−14
0 1 = = 1 0 0 0 0 1
–   Axolotl 1.8 64-bit2444+19
−19		(+48)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.2%
+20
1 = 0 0 0 = 1 1 0 =
–   Mephisto Gideon Professional2444+25
−25		(+48)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.5%
+16
= 0 1 = 0 1 0 0 1 =
–   Teki 2 64-bit2441+17
−17		(+45)4 − 4
(+3−3=2)		50.0%
4.0 / 8
0.3%
+38
1 0 1 = 0 0 1 =
–   Tunguska 1.1 64-bit2439+22
−22		(+43)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.7%
−45
0 0 1 1 = 0 0 =
–   Nemeton 1.62438+24
−24		(+42)4 − 6
(+4−6=0)		40.0%
4.0 / 10
1.0%
−45
0 0 0 1 1 0 1 0 1 0
–   Bearded N44.5 64-bit2436+20
−21		(+40)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
1.0%
−64
= = = 0 1 1 0 0 0 0
–   Snitch 1.6.2 64-bit2432+21
−21		(+36)5 − 5
(+4−4=2)		50.0%
5.0 / 10
1.9%
+41
0 = 1 0 1 1 0 = 1 0
–   Bitfoot 1.0.d9aeb43 64-bit2413+26
−26		(+17)3 − 7
(+1−5=4)		30.0%
3.0 / 10
18.7%
−109
1 0 0 0 = 0 = = 0 =
–   Gaia 3.5 64-bit2412+22
−22		(+16)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
18.8%
+57
1 0 1 1 0 0 1 = 1 0
–   KnightDreamer 3.32403+29
−29		(+7)6 − 4
(+4−2=4)		60.0%
6.0 / 10
36.1%
+66
= 1 = 1 0 = = 0 1 1
–   Patzer 3.802400+19
−20		(+4)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
40.9%
+40
1 0 1 0 = 0 1 0 1 1
–   Popochin 4.1 64-bit2393+17
−17		(−3)6.5 − 1.5
(+6−1=1)		81.3%
6.5 / 8
59.0%
+254
0 1 1 1 = 1 1 1
–   Amateur 2.822391+20
−20		(−5)3 − 7
(+3−7=0)		30.0%
3.0 / 10
62.4%
−190
0 1 0 1 0 1 0 0 0 0
–   FrankWalter 2.2.3 64-bit2390+32
−32		(−6)5 − 5
(+4−4=2)		50.0%
5.0 / 10
61.9%
−6
= 0 1 0 0 1 1 = 1 0
–   Ares GB 64-bit2388+14
−15		(−8)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
69.9%
+34
= = 1 = 0 0 1 1
–   Jazz 721 64-bit2384+20
−20		(−12)7 − 3
(+6−2=2)		70.0%
7.0 / 10
75.7%
+137
1 = 0 0 = 1 1 1 1 1
–   Googleplex Starthinker 1.6 64-bit2384+24
−24		(−12)5.5 − 8.5
(+4−7=3)		39.3%
5.5 / 14
74.3%
−87
0 = 0 1 0 0 = 0 = 0 1 1 0 1
–   Waxman 20172370+16
−16		(−26)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
95.3%
−121
0 0 1 =
–   Tytan 9.32 64-bit2368+23
−23		(−28)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
94.5%
+148
1 1 1 1 1 1 = = 0 =
–   Isa 2.0.83 64-bit2365+38
−38		(−31)2 − 6
(+0−4=4)		25.0%
2.0 / 8
90.7%
−180
0 0 0 0 = = = =
–   Topple 0.1.1 64-bit2363+23
−23		(−33)5 − 5
(+4−4=2)		50.0%
5.0 / 10
96.8%
−33
1 1 0 1 0 = = 0 1 0
–   Isa 2.0.64 64-bit2362+16
−16		(−34)4.5 − 5.5
(+4−5=1)		45.0%
4.5 / 10
98.5%
−76
1 1 1 0 = 0 0 1 0 0
–   Plisk 0.2.7d 64-bit2359+19
−19		(−37)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
98.7%
−5
1 = 0 0 = 1 = 0 1 1
–   pikoSzachy Extreme 22355+34
−34		(−41)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
97.1%
+75
1 0 = 0 1 0 1 1 1 1
–   K2 0.672354+23
−23		(−42)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
99.1%
−141
1 0 0 = = 0 0 = 1 0
–   KnightX 1.94 64-bit2351+22
−22		(−45)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
99.5%
+55
= 1 0 = = 1 1 0 1 1
–   Barbarossa 0.6.0 64-bit2346+48
−49		(−50)5.5 − 2.5
(+5−2=1)		68.8%
5.5 / 8
96.2%
+95
1 = 0 1 1 1 1 0
–   Gibbon 2.60a 64-bit2336+21
−21		(−60)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+39
1 = 1 1 = 0 1 1 = 0
–   EveAnn 1.712334+29
−30		(−62)3 − 7
(+1−5=4)		30.0%
3.0 / 10
99.9%
−190
0 0 = = 0 = = 1 0 0
–   Butcher 1.61 64-bit2334+30
−30		(−62)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
99.9%
+46
1 = 1 = 1 = 0 0 1 1
–   Googleplex Starthinker 1.4 64-bit2320+17
−17		(−76)6 − 4
(+3−1=6)		60.0%
6.0 / 10
100.0%
−20
= 1 0 = = = = 1 1 =
–   Zeus 1.272319+27
−27		(−77)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
100.0%
−104
= 0 1 0 0 = 1 = = =
–   RubiChess 0.7 64-bit2304+24
−24		(−92)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
−18
1 0 1 1 1 = = 0 0 1
–   Ant 2006-F2302+20
−20		(−94)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+12
= 1 0 = 1 = 0 1 1 1
–   CT800 1.34 64-bit2296+21
−21		(−100)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+135
1 1 1 0
–   Raven 0.70 64-bit2294+33
−33		(−102)1 − 3
(+0−2=2)		25.0%
1.0 / 4
100.0%
−258
0 = 0 =
–   Invictus r228 64-bit2291+18
−18		(−105)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−12
0 1 = 1
–   Matilde 2008 64-bit2291+22
−22		(−105)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
−41
= 0 1 = = 1 1 1 0 =
–   Chaturanga 2.4.32290+19
−19		(−106)8 − 2
(+7−1=2)		80.0%
8.0 / 10
100.0%
+120
= 1 1 1 1 1 1 1 = 0
–   Ayito 0.2.9942265+21
−21		(−131)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
−30
0 1 = 1 = 0 1 = 1 1
–   RamJet 0.132228+20
−20		(−168)9 − 1
(+8−0=2)		90.0%
9.0 / 10
100.0%
+156
1 1 1 1 = 1 1 1 = 1
–   Achillees 1.0 64-bit2217+69
−71		(−179)2 − 2
(+2−2=0)		50.0%
2.0 / 4
100.0%
−179
0 1 0 1
496 games: 185 wins, 180 losses, 131 draws (26.4%), score: 50.5%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on January 18, 2020