CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Zevra 2.1.2 r248 64-bit (2362+17
−17		)Quote
Author: Oleg Smirnov (Russia) Links: github, github, SDChess
This is one of the 7 Zevra versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Mr Bob 0.8.0 64-bit2663+18
−18		(+301)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Delocto 0.6 64-bit2568+13
−13		(+206)2.5 − 7.5
(+1−6=3)		25.0%
2.5 / 10
0.0%
+17
–   Jumbo 0.7.0 64-bit2552+12
−12		(+190)3 − 1
(+3−1=0)		75.0%
3.0 / 4
0.0%
+424
–   paulchen332 0.1.1 64-bit2549+14
−14		(+187)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Detroid 1.0.1 64-bit2545+14
−14		(+183)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
+16
–   Mr Bob 0.7.1 64-bit2542+24
−24		(+180)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Velvet 1.0.0 64-bit2540+21
−21		(+178)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
+15
–   Ghost 3.1 64-bit2539+12
−12		(+177)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+137
–   KnightX 1.98 64-bit2520+23
−23		(+158)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Axolotl 1.9 64-bit2518+14
−14		(+156)10 − 8
(+7−5=6)		55.6%
10.0 / 18
0.0%
+196
–   Supernova 2.2.1 64-bit2512+25
−25		(+150)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   KnightX 2.3 64-bit2505+23
−23		(+143)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−146
–   Bagatur 1.5g 64-bit2486+19
−19		(+124)1 − 9
(+0−8=2)		10.0%
1.0 / 10
0.0%
−201
–   Arasan 10.32481+19
−19		(+119)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.0%
+119
–   WyldChess 1.1 64-bit2474+22
−22		(+112)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
+47
–   Zurichess Geneva 64-bit2464+23
−23		(+102)3 − 7
(+2−6=2)		30.0%
3.0 / 10
0.0%
−64
–   Drosophila 1.5.1 64-bit2457+13
−13		(+95)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+95
–   Raven 0.90 64-bit2448+25
−25		(+86)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.0%
−109
–   Shield 1.2 64-bit2447+22
−22		(+85)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−31
–   Halogen 6 64-bit2446+31
−31		(+84)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−204
–   Nemeton 1.812443+15
−15		(+81)3.5 − 6.5
(+3−6=1)		35.0%
3.5 / 10
0.0%
−55
–   Donna 3.0 64-bit2442+26
−26		(+80)4 − 6
(+3−5=2)		40.0%
4.0 / 10
0.0%
−8
–   Bumblebee 1.0 64-bit2439+17
−17		(+77)4 − 6
(+3−5=2)		40.0%
4.0 / 10
0.0%
−11
–   Giraffe 20150908 64-bit2436+16
−16		(+74)6 − 4
(+5−3=2)		60.0%
6.0 / 10
0.0%
+151
–   FoxSEE 7.21.0 64-bit2434+25
−25		(+72)7.5 − 8.5
(+6−7=3)		46.9%
7.5 / 16
0.0%
+45
–   Axolotl 1.8 64-bit2421+17
−17		(+59)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+25
–   Stash 18.0 64-bit2421+24
−24		(+59)4 − 8
(+2−6=4)		33.3%
4.0 / 12
0.0%
−62
–   Hussar 0.42419+14
−14		(+57)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Tunguska 1.1 64-bit2417+15
−15		(+55)6.5 − 7.5
(+4−5=5)		46.4%
6.5 / 14
0.0%
+29
–   Mephisto Gideon Professional2416+17
−17		(+54)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+16
–   Cosette 5.1 64-bit2415+19
−19		(+53)4 − 4
(+3−3=2)		50.0%
4.0 / 8
0.0%
+45
–   Bearded N44.5 64-bit2414+15
−15		(+52)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−67
–   Nemeton 1.62414+20
−20		(+52)4 − 6
(+4−6=0)		40.0%
4.0 / 10
0.0%
−46
–   NoC 4.20 64-bit2411+15
−15		(+49)17 − 15
(+14−12=6)
53.1%
17.0 / 32
0.0%
+78
–   Teki 2 64-bit2410+13
−13		(+48)4 − 4
(+3−3=2)		50.0%
4.0 / 8
0.0%
+40
–   Snitch 1.6.2 64-bit2408+18
−18		(+46)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.0%
+51
–   Gaia 3.5 64-bit2400+15
−15		(+38)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
0.0%
+85
–   Hedgehog 2.0 64-bit2393+17
−17		(+31)10 − 16
(+6−12=8)		38.5%
10.0 / 26
0.4%
−62
–   Bitfoot 1.0.d9aeb43 64-bit2392+21
−21		(+30)3 − 7
(+1−5=4)		30.0%
3.0 / 10
1.2%
−112
–   RomiChess P3n 64-bit2385+11
−11		(+23)2 − 6
(+1−5=2)		25.0%
2.0 / 8
1.1%
−177
–   KnightDreamer 3.32367+23
−23		(+5)6 − 4
(+4−2=4)		60.0%
6.0 / 10
35.1%
+76
–   Popochin 4.1 64-bit2366+14
−14		(+4)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
34.6%
+138
–   Myrddin 0.87 64-bit2365+11
−11		(+3)20 − 18
(+14−12=12)
52.6%
20.0 / 38
38.3%
+21
–   Patzer 3.802365+16
−16		(+3)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
38.9%
+44
–   Barbarossa 0.6.0 64-bit2362+13
−13		(0)16 − 12
(+14−10=4)		57.1%
16.0 / 28
49.7%
+64
–   Ares GB 64-bit2360+12
−12		(−2)5.5 − 6.5
(+4−5=3)		45.8%
5.5 / 12
56.9%
−34
–   Amateur 2.822359+16
−16		(−3)3 − 7
(+3−7=0)		30.0%
3.0 / 10
60.3%
−210
–   Ares GB 1.1 64-bit2358+15
−15		(−4)11.5 − 8.5
(+9−6=5)		57.5%
11.5 / 20
62.8%
+59
–   CT800 1.40 64-bit2358+24
−24		(−4)8.5 − 11.5
(+5−8=7)		42.5%
8.5 / 20
61.2%
−58
–   Googleplex Starthinker 1.6 64-bit2357+15
−15		(−5)21.5 − 26.5
(+10−15=23)
44.8%
21.5 / 48
65.7%
−42
–   CT800 1.41 64-bit2353+25
−25		(−9)8 − 4
(+7−3=2)		66.7%
8.0 / 12
71.3%
+139
–   FrankWalter 2.2.3 64-bit2350+26
−26		(−12)5 − 5
(+4−4=2)		50.0%
5.0 / 10
78.6%
−12
–   Jazz 721 64-bit2343+16
−16		(−19)7 − 3
(+6−2=2)		70.0%
7.0 / 10
94.5%
+147
–   Raven 0.80 64-bit2340+25
−25		(−22)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
93.0%
−164
–   Waxman 20172337+14
−14		(−25)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
98.8%
−137
–   Isa 2.0.83 64-bit2334+15
−15		(−28)11.5 − 16.5
(+8−13=7)		41.1%
11.5 / 28
99.4%
−100
–   Plisk 0.2.7d 64-bit2333+15
−15		(−29)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
99.4%
+8
–   Tytan 9.32 64-bit2332+19
−19		(−30)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
99.1%
+163
–   Isa 2.0.64 64-bit2327+13
−13		(−35)4.5 − 5.5
(+4−5=1)		45.0%
4.5 / 10
99.9%
−85
–   Topple 0.1.1 64-bit2323+18
−18		(−39)5 − 5
(+4−4=2)		50.0%
5.0 / 10
99.9%
−39
–   Isa 2.1 64-bit2323+22
−22		(−39)8 − 4
(+6−2=4)		66.7%
8.0 / 12
99.7%
+84
–   pikoSzachy Extreme 22321+29
−29		(−41)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
99.2%
+87
–   Ceibo 0.5 64-bit2317+20
−20		(−45)21 − 15
(+18−12=6)
58.3%
21.0 / 36
100.0%
+27
–   KnightX 1.94 64-bit2317+19
−19		(−45)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+71
–   K2 0.672317+19
−19		(−45)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
100.0%
−157
–   Gibbon 2.60a 64-bit2309+17
−17		(−53)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+59
–   FoxSEE 5.3 64-bit2307+22
−22		(−55)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−149
–   Jazz 840 64-bit2303+13
−13		(−59)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−130
–   EveAnn 1.712298+25
−25		(−64)3 − 7
(+1−5=4)		30.0%
3.0 / 10
100.0%
−210
–   Butcher 1.61 64-bit2295+26
−26		(−67)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+54
–   FireFly 2.7.2 64-bit2285+12
−12		(−77)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−76
–   EveAnn 1.722281+13
−13		(−81)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+81
–   Zeus 1.272278+20
−20		(−84)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
100.0%
−115
–   Googleplex Starthinker 1.4 64-bit2278+14
−14		(−84)6 − 4
(+3−1=6)		60.0%
6.0 / 10
100.0%
−17
–   RubiChess 0.7 64-bit2261+18
−18		(−101)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
−16
–   Ant 2006-F2259+17
−17		(−103)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+20
–   CT800 1.34 64-bit2256+17
−17		(−106)4.5 − 1.5
(+4−1=1)		75.0%
4.5 / 6
100.0%
+110
–   Matilde 2008 64-bit2248+17
−17		(−114)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
−39
–   Chaturanga 2.4.32245+16
−16		(−117)8 − 2
(+7−1=2)		80.0%
8.0 / 10
100.0%
+121
–   Raven 0.70 64-bit2240+25
−25		(−122)1 − 3
(+0−2=2)		25.0%
1.0 / 4
100.0%
−292
–   Invictus r228 64-bit2239+14
−14		(−123)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−20
–   Ayito 0.2.9942226+16
−16		(−136)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
−19
–   CeeChess 1.3.2 64-bit2223+17
−17		(−139)12 − 4
(+11−3=2)		75.0%
12.0 / 16
100.0%
+81
–   Fornax 1-2 64-bit2217+23
−23		(−145)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−145
–   Absolute Zero 3.3.2.0 64-bit2203+25
−25		(−159)9 − 3
(+8−2=2)		75.0%
9.0 / 12
100.0%
+45
–   Hedgehog 1.99 64-bit2200+29
−29		(−162)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−161
–   RamJet 0.132187+16
−16		(−175)9 − 1
(+8−0=2)		90.0%
9.0 / 10
100.0%
+149
–   SpaceDog 0.97.7 64-bit2184+17
−17		(−178)6 − 2
(+5−1=2)		75.0%
6.0 / 8
100.0%
+15
–   Robocide 0.4 64-bit2164+31
−31		(−198)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Achillees 1.0 64-bit2154+22
−22		(−208)7.5 − 2.5
(+7−2=1)		75.0%
7.5 / 10
100.0%
+19
–   MORA 1.1.02135+21
−21		(−227)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+15
–   Micah 1.0 64-bit2108+21
−21		(−254)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−254
–   Little Wing 0.6.0 64-bit2033+23
−23		(−329)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
963 games: 355 wins, 354 losses, 254 draws (26.4%), score: 50.1%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024