CCRL 40/15
Downloads and Statistics
September 26, 2020
Testing summary:
Total: 1'179'815 games
played by 2'715 programs

White wins: 406'597 (34.5%)
Black wins: 300'322 (25.5%)
Draws: 472'896 (40.1%)
White score: 54.5%

Engine Details

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Show each game results
Zevra 2.1.2 r248 64-bit#250  (2398+21
−20		)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-bit2636+94
−87		(+238)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Donna 4.1 64-bit2592+14
−14		(+194)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+126
0 = = =
–   Delocto 0.6 64-bit2580+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
–   Velvet 1.0.0 64-bit2568+27
−27		(+170)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
+27
= 0 = 0
–   Jumbo 0.7.0 64-bit2560+20
−20		(+162)3 − 1
(+3−1=0)		75.0%
3.0 / 4
0.0%
+389
1 1 0 1
–   Mr Bob 0.7.1 64-bit2559+29
−29		(+161)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Detroid 1.0.1 64-bit2555+20
−20		(+157)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
+6
0 = = 0
–   Ghost 3.1 64-bit2553+15
−15		(+155)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+122
1 1 = = 0 = 0 0 0 1
–   KnightX 1.98 64-bit2546+28
−28		(+148)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   KnightX 2.3 64-bit2526+26
−26		(+128)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−154
= 0 0 0
–   Axolotl 1.9 64-bit2522+21
−21		(+124)10 − 8
(+7−5=6)		55.6%
10.0 / 18
0.0%
+158
= 1 0 1 0 = 1 0 0 = 1 1 0 = 1 = = 1
–   Bagatur 1.5g 64-bit2501+24
−25		(+103)1 − 9
(+0−8=2)		10.0%
1.0 / 10
0.0%
−224
0 0 = 0 0 = 0 0 0 0
–   WyldChess 1.1 64-bit2501+28
−28		(+103)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
+47
= = 1 = = 0 0 0 = =
–   Arasan 10.32498+23
−23		(+100)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.0%
+100
= = 0 1 1 1 0 0 0 1
–   RookieMonster 1.7.7 64-bit2493+65
−66		(+95)2 − 2
(+2−2=0)		50.0%
2.0 / 4
0.3%
+95
0 0 1 1
–   Zurichess Geneva 64-bit2484+26
−26		(+86)3 − 7
(+2−6=2)		30.0%
3.0 / 10
0.0%
−63
0 0 = 1 0 = 0 0 1 0
–   Drosophila 1.5.1 64-bit2479+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		(+76)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−24
0 1 1 0 = 0 0 = 0 =
–   Halogen 6 64-bit2471+36
−37		(+73)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−208
0 0 0 =
–   Raven 0.90 64-bit2469+30
−30		(+71)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.0%
−112
0 = 0 = 0 1 0 0
–   Nemeton 1.812464+20
−20		(+66)3.5 − 6.5
(+3−6=1)		35.0%
3.5 / 10
0.0%
−57
0 0 1 1 0 1 0 = 0 0
–   Bumblebee 1.0 64-bit2463+22
−22		(+65)4 − 6
(+3−5=2)		40.0%
4.0 / 10
0.0%
−9
0 1 = = 1 0 0 0 0 1
–   Donna 3.0 64-bit2462+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-bit2462+19
−19		(+64)6 − 4
(+5−3=2)		60.0%
6.0 / 10
0.0%
+131
= 1 1 0 1 0 1 0 = 1
–   Stash 18.0 64-bit2449+29
−29		(+51)4 − 8
(+2−6=4)		33.3%
4.0 / 12
0.2%
−56
= 0 0 1 = = 0 1 0 0 = 0
–   Axolotl 1.8 64-bit2447+19
−19		(+49)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+21
1 = 0 0 0 = 1 1 0 =
–   Mephisto Gideon Professional2445+24
−24		(+47)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.2%
+15
= 0 1 = 0 1 0 0 1 =
–   Hussar 0.42445+17
−17		(+47)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Teki 2 64-bit2441+16
−16		(+43)4 − 4
(+3−3=2)		50.0%
4.0 / 8
0.1%
+36
1 0 1 0 0 1 = =
–   Nemeton 1.62440+24
−24		(+42)4 − 6
(+4−6=0)		40.0%
4.0 / 10
0.5%
−45
0 0 0 1 1 0 1 0 1 0
–   Bearded N44.5 64-bit2440+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-bit2437+19
−19		(+39)5 − 7
(+3−5=4)		41.7%
5.0 / 12
0.4%
−16
0 1 0 0 1 = = = 0 0 = 1
–   Snitch 1.6.2 64-bit2434+21
−21		(+36)5 − 5
(+4−4=2)		50.0%
5.0 / 10
1.0%
+41
0 = 1 0 1 1 0 = 1 0
–   NoC 4.20 64-bit2429+26
−25		(+31)13.5 − 12.5
(+11−10=5)		51.9%
13.5 / 26
3.1%
+46
0 0 0 0 = 1 = = 0 1 1 1 0 1 = 1 1 0 1 1 1 = 1 0 0 0
–   Bitfoot 1.0.d9aeb43 64-bit2417+25
−25		(+19)3 − 7
(+1−5=4)		30.0%
3.0 / 10
13.7%
−108
1 0 0 0 = 0 = = 0 =
–   Gaia 3.5 64-bit2417+21
−21		(+19)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
10.7%
+61
1 0 1 1 0 0 1 = 1 0
–   RomiChess P3n 64-bit2416+14
−13		(+18)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
7.5%
−77
1 0 0 =
–   KnightDreamer 3.32402+27
−27		(+4)6 − 4
(+4−2=4)		60.0%
6.0 / 10
42.3%
+63
= 1 = 1 0 = = 0 1 1
–   CT800 1.41 64-bit2398+89
−93		(0)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
50.6%
+92
1 = 0 1
–   Patzer 3.802397+19
−19		(−1)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
53.0%
+35
1 0 1 0 = 0 1 0 1 1
–   Popochin 4.1 64-bit2397+16
−16		(−1)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
55.0%
+117
0 0 0 1 1 1 1 1 1 =
–   Myrddin 0.87 64-bit2397+13
−13		(−1)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
56.1%
+46
= 1 1 1 0 = 0 1 = 0 0 = 0 1 1 1 1 0 1 = = 0 1 1 = 0 = = 0 = = 1 1 1
–   Amateur 2.822396+19
−19		(−2)3 − 7
(+3−7=0)		30.0%
3.0 / 10
58.0%
−188
0 1 0 1 0 1 0 0 0 0
–   Hedgehog 2.0 64-bit2394+39
−39		(−4)8 − 10
(+6−8=4)		44.4%
8.0 / 18
57.3%
−46
= 1 0 1 = = 1 0 0 1 1 0 0 0 1 0 = 0
–   CT800 1.40 64-bit2392+28
−28		(−6)8.5 − 11.5
(+5−8=7)		42.5%
8.5 / 20
64.1%
−53
0 = = 0 1 = 1 0 1 0 0 0 = 0 = = 0 = 1 1
–   Ares GB 64-bit2392+14
−14		(−6)5.5 − 6.5
(+4−5=3)		45.8%
5.5 / 12
68.3%
−33
= = 1 0 1 0 0 0 0 1 1 =
–   FrankWalter 2.2.3 64-bit2389+32
−32		(−9)5 − 5
(+4−4=2)		50.0%
5.0 / 10
68.5%
−9
= 0 1 0 0 1 1 = 1 0
–   Isa 2.0.83 64-bit2382+27
−27		(−16)10 − 10
(+7−7=6)		50.0%
10.0 / 20
82.7%
−16
1 1 0 = 1 0 1 0 1 1 1 0 0 0 = = = = = 0
–   Ares GB 1.1 64-bit2382+25
−25		(−16)6.5 − 5.5
(+5−4=3)		54.2%
6.5 / 12
83.5%
+11
0 1 1 1 = = 1 0 1 = 0 0
–   Googleplex Starthinker 1.6 64-bit2381+19
−19		(−17)17 − 23
(+8−14=18)
42.5%
17.0 / 40
89.1%
−61
= = = 0 = 0 0 = 1 = 0 = = 1 = 1 = 0 1 0 = 0 = = = = 0 1 0 0 = 0 0 = = 0 1 1 0 1
–   Jazz 721 64-bit2379+19
−19		(−19)7 − 3
(+6−2=2)		70.0%
7.0 / 10
91.1%
+131
1 = 0 0 = 1 1 1 1 1
–   Waxman 20172372+16
−16		(−26)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
97.9%
−121
0 0 1 =
–   Raven 0.80 64-bit2369+29
−29		(−29)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
95.1%
−153
1 = = = 0 0 0 0
–   Tytan 9.32 64-bit2369+23
−23		(−29)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
96.8%
+147
1 1 1 1 1 1 = = 0 =
–   Isa 2.0.64 64-bit2364+16
−16		(−34)4.5 − 5.5
(+4−5=1)		45.0%
4.5 / 10
99.5%
−76
1 1 1 0 = 0 0 1 0 0
–   Plisk 0.2.7d 64-bit2362+19
−19		(−36)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
99.5%
−4
1 = 0 0 = 1 = 0 1 1
–   Topple 0.1.1 64-bit2362+22
−22		(−36)5 − 5
(+4−4=2)		50.0%
5.0 / 10
99.1%
−36
1 1 0 1 0 = = 0 1 0
–   pikoSzachy Extreme 22357+34
−34		(−41)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
98.2%
+75
1 0 = 0 1 0 1 1 1 1
–   Ceibo 0.5 64-bit2356+27
−28		(−42)18 − 10
(+16−8=4)		64.3%
18.0 / 28
99.3%
+67
1 1 1 1 0 1 1 0 1 0 0 1 = 1 1 1 1 1 0 = 0 1 0 0 = = 1 1
–   K2 0.672355+23
−23		(−43)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
99.7%
−142
1 0 0 = = 0 0 = 1 0
–   Barbarossa 0.6.0 64-bit2353+30
−30		(−45)12.5 − 7.5
(+11−6=3)		62.5%
12.5 / 20
99.4%
+50
1 = 1 = 1 0 1 0 1 0 1 0 1 = 0 1 1 1 0 1
–   KnightX 1.94 64-bit2352+22
−22		(−46)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
99.9%
+55
= 1 0 = = 1 1 0 1 1
–   Isa 2.1 64-bit2351+28
−28		(−47)8 − 4
(+6−2=4)		66.7%
8.0 / 12
99.7%
+63
1 0 1 = 1 1 = 1 1 0 = =
–   Gibbon 2.60a 64-bit2337+20
−20		(−61)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+38
1 = 1 1 = 0 1 1 = 0
–   EveAnn 1.712336+28
−28		(−62)3 − 7
(+1−5=4)		30.0%
3.0 / 10
100.0%
−190
0 0 = = 0 = = 1 0 0
–   Butcher 1.61 64-bit2335+30
−30		(−63)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+45
1 = 1 = 1 = 0 0 1 1
–   FireFly 2.7.2 64-bit2329+16
−16		(−69)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−69
0 1
–   Zeus 1.272326+25
−25		(−72)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
100.0%
−99
= 0 1 0 0 = 1 = = =
–   Googleplex Starthinker 1.4 64-bit2321+17
−17		(−77)6 − 4
(+3−1=6)		60.0%
6.0 / 10
100.0%
−21
= 1 0 = = = = 1 1 =
–   EveAnn 1.722320+16
−16		(−78)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+64
1 =
–   RubiChess 0.7 64-bit2302+23
−23		(−96)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
−22
1 0 1 1 1 = = 0 0 1
–   Ant 2006-F2302+19
−19		(−96)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+10
= 1 0 = 1 = 0 1 1 1
–   CT800 1.34 64-bit2297+20
−20		(−101)4.5 − 1.5
(+4−1=1)		75.0%
4.5 / 6
100.0%
+99
1 = 1 1 1 0
–   Invictus r228 64-bit2292+18
−18		(−106)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−13
0 1 = 1
–   Matilde 2008 64-bit2291+21
−21		(−107)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
−43
= 0 1 = = 1 1 1 0 =
–   Chaturanga 2.4.32290+19
−19		(−108)8 − 2
(+7−1=2)		80.0%
8.0 / 10
100.0%
+119
= 1 1 1 1 1 1 1 = 0
–   Raven 0.70 64-bit2282+29
−29		(−116)1 − 3
(+0−2=2)		25.0%
1.0 / 4
100.0%
−272
0 = 0 =
–   CeeChess 1.3.2 64-bit2277+27
−27		(−121)9 − 3
(+8−2=2)		75.0%
9.0 / 12
100.0%
+79
0 1 = 1 1 1 1 = 0 1 1 1
–   Ayito 0.2.9942266+20
−20		(−132)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
−30
0 1 = 1 = 0 1 = 1 1
–   Hedgehog 1.99 64-bit2242+36
−35		(−156)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−156
1 0
–   RamJet 0.132235+19
−19		(−163)9 − 1
(+8−0=2)		90.0%
9.0 / 10
100.0%
+162
1 1 1 1 = 1 1 1 = 1
–   SpaceDog 0.97.7 64-bit2231+23
−23		(−167)4.5 − 1.5
(+4−1=1)		75.0%
4.5 / 6
100.0%
+28
1 1 = 1 1 0
–   Robocide 0.4 64-bit2212+39
−39		(−186)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Absolute Zero 3.3.2.0 64-bit2202+48
−50		(−196)6.5 − 1.5
(+6−1=1)		81.3%
6.5 / 8
100.0%
+58
= 0 1 1 1 1 1 1
–   Achillees 1.0 64-bit2200+27
−27		(−198)7.5 − 2.5
(+7−2=1)		75.0%
7.5 / 10
100.0%
+11
1 = 1 1 1 1 0 1 0 1
–   MORA 1.1.02183+27
−28		(−215)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+16
= 1 = 1 1 1
–   Micah 1.0 64-bit2162+25
−25		(−236)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−236
= =
–   Little Wing 0.6.0 64-bit2074+33
−33		(−324)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
851 games: 320 wins, 307 losses, 224 draws (26.3%), score: 50.8%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on September 26, 2020