CCRL 40/15
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 1'183'411 games
played by 2'723 programs

White wins: 407'663 (34.4%)
Black wins: 301'004 (25.4%)
Draws: 474'744 (40.1%)
White score: 54.5%

Engine Details

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Butcher 1.61 32-bit (2286+27
−27		)Quote
Author: Marek Kolacz (Poland) Link: Homepage
This is one of the 4 Butcher versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rodin 4.02525+18
−18		(+239)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Gaviota 0.83 32-bit2525+27
−28		(+239)1.5 − 8.5
(+1−8=1)		15.0%
1.5 / 10
0.0%
−64
0 0 0 0 0 0 0 = 1 0
–   Pawny 0.2.2 32-bit2413+34
−34		(+127)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+41
= 0 1 0
–   Eeyore 1.52 32-bit2406+23
−23		(+120)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+212
0 = 1 1
–   Rodin 3.02404+18
−18		(+118)1.5 − 3.5
(+0−2=3)		30.0%
1.5 / 5
0.0%
0
0 = = 0 =
–   Pawny 0.2.1 32-bit2403+31
−31		(+117)2 − 2
(+2−2=0)		50.0%
2.0 / 4
0.0%
+117
0 1 1 0
–   Atlas 3.14b 32-bit2402+25
−25		(+116)1.5 − 5.5
(+1−5=1)		21.4%
1.5 / 7
0.0%
−110
0 0 0 1 = 0 0
–   Dorky 4.3 32-bit2386+26
−26		(+100)2 − 6
(+0−4=4)		25.0%
2.0 / 8
0.0%
−46
= 0 = 0 0 = 0 =
–   Ares 1.0042374+16
−16		(+88)7.5 − 18.5
(+4−15=7)		28.8%
7.5 / 26
0.0%
−63
0 = 0 = 0 0 0 1 = 1 0 = = 0 1 0 = 0 0 0 0 = 0 0 1 0
–   iCE 0.22372+19
−19		(+86)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−140
0 1 0 0
–   TJchess 1.012371+24
−24		(+85)1.5 − 6.5
(+1−6=1)		18.8%
1.5 / 8
0.0%
−175
1 0 0 = 0 0 0 0
–   Alex 2.14a 32-bit2364+27
−27		(+78)4 − 4
(+2−2=4)		50.0%
4.0 / 8
0.0%
+78
0 = 0 = 1 = 1 =
–   OliThink 5.3.0 32-bit2359+21
−21		(+73)9 − 13
(+7−11=4)		40.9%
9.0 / 22
0.0%
+5
0 = = 1 0 = 1 0 1 1 1 0 0 1 0 0 0 0 1 0 0 =
–   Plisk 0.2.7d 32-bit2352+21
−21		(+66)19.5 − 16.5
(+15−12=9)
54.2%
19.5 / 36
0.0%
+93
0 0 0 1 = = 0 0 0 1 = 1 0 1 0 1 0 0 1 = 1 1 0 1 1 1 = = 1 1 = 1 0 = = 1
–   Tytan 9.32 32-bit2347+28
−28		(+61)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.1%
−81
0 =
–   Ghost 2.0.12343+19
−19		(+57)8.5 − 10.5
(+6−8=5)		44.7%
8.5 / 19
0.0%
+27
1 = 0 0 1 = 0 0 1 0 0 1 0 = 1 = = 0 1
–   Amundsen 0.802329+17
−17		(+43)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.4%
+43
0 1
–   Sjakk 1.1.92327+29
−29		(+41)5 − 5
(+4−4=2)		50.0%
5.0 / 10
2.1%
+35
0 0 1 0 1 = = 1 0 1
–   Alex 2.132327+32
−33		(+41)3 − 5
(+2−4=2)		37.5%
3.0 / 8
2.7%
−54
= 0 1 0 1 = 0 0
–   Simplex 0.9.7 32-bit2324+31
−31		(+38)5.5 − 6.5
(+5−6=1)		45.8%
5.5 / 12
3.1%
+6
1 0 1 0 0 1 0 = 0 1 0 1
–   ECE 12.012320+22
−22		(+34)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
2.8%
−1
0 = = 1 0 1 0 = 0 1
–   EveAnn 1.672320+30
−30		(+34)1 − 1
(+1−1=0)		50.0%
1.0 / 2
4.8%
+34
0 1
–   Mediocre 0.42317+28
−28		(+31)4 − 10
(+3−9=2)		28.6%
4.0 / 14
5.7%
−140
= 0 1 0 0 = 0 0 0 1 0 1 0 0
–   Cheese 1.3b 32-bit2313+34
−34		(+27)4 − 2
(+3−1=2)		66.7%
4.0 / 6
10.7%
+136
1 1 1 = 0 =
–   Waxman 20102309+22
−21		(+23)6 − 10
(+4−8=4)		37.5%
6.0 / 16
8.8%
−68
1 0 = 0 1 0 0 0 = 0 = 0 0 1 = 1
–   Cheese 1.32309+17
−17		(+23)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
7.6%
+180
= 1
–   Sjakk 1.1.82304+24
−24		(+18)2 − 6
(+1−5=2)		25.0%
2.0 / 8
16.9%
−168
= 0 0 1 0 0 0 =
–   Anechka 0.082302+19
−19		(+16)3 − 1
(+3−1=0)		75.0%
3.0 / 4
16.4%
+242
1 1 0 1
–   Natwarlal 0.142300+19
−19		(+14)2 − 2
(+2−2=0)		50.0%
2.0 / 4
19.3%
+14
1 0 0 1
–   Popochin 3.22297+18
−18		(+11)2 − 0
(+2−0=0)		100.0%
2.0 / 2
25.4%
+INF
1 1
–   Chaturanga 2.4.32290+19
−19		(+4)15 − 17
(+9−11=12)
46.9%
15.0 / 32
39.8%
−17
= = 0 0 1 = = = 1 1 1 0 0 = = = 1 0 0 = 0 1 = 0 0 0 0 = 1 1 1 =
–   AliChess 4.252283+19
−19		(−3)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
57.3%
−59
0 1 0 1 1 0 0 1 0 1 0 0 0 0 = = 1 0 1 1 1 = = 1 0 0 = = 0 0 0 =
–   Matilde 2008 32-bit2274+33
−33		(−12)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
70.8%
−168
0 =
–   EveAnn 1.662271+33
−33		(−15)4.5 − 3.5
(+4−3=1)		56.3%
4.5 / 8
75.4%
+30
1 0 1 = 1 0 1 0
–   Sungorus 1.4 32-bit2261+21
−21		(−25)14 − 8
(+12−6=4)		63.6%
14.0 / 22
93.2%
+80
1 0 1 = = 1 0 1 = 1 = 1 1 0 1 1 0 0 1 1 1 0
–   RattateChess 1.0 Nosferatu2254+19
−18		(−32)4 − 0
(+4−0=0)		100.0%
4.0 / 4
97.3%
+INF
1 1 1 1
–   Betsabe II 1.08c2238+35
−35		(−48)1 − 3
(+1−3=0)		25.0%
1.0 / 4
98.5%
−273
0 0 1 0
–   Atak 6.82238+16
−16		(−48)7 − 5
(+5−3=4)		58.3%
7.0 / 12
99.9%
+7
= 1 1 = 0 0 1 1 = 0 = 1
–   Dolphin 1.0 64-bit2231+18
−18		(−55)7 − 3
(+5−1=4)		70.0%
7.0 / 10
100.0%
+76
1 = = = 1 1 1 0 = 1
–   Bearded N44.22224+34
−34		(−62)1 − 1
(+0−0=2)		50.0%
1.0 / 2
99.7%
−62
= =
–   Bagatur 1.2d 32-bit2220+34
−34		(−66)5 − 5
(+2−2=6)		50.0%
5.0 / 10
99.9%
−66
= = = = 1 0 0 = = 1
–   Uralochka 1.1b2219+18
−18		(−67)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−209
= 0
–   Beowulf 2.4a 32-bit2219+19
−19		(−67)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+164
= 1 1 1 = 1
–   Betsabe II 1.09c2210+34
−35		(−76)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+80
1 =
–   Myrddin 0.85 32-bit2207+27
−27		(−79)2 − 2
(+2−2=0)		50.0%
2.0 / 4
100.0%
−79
0 1 1 0
–   Latista (Sinobyl) 1.52206+22
−22		(−80)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+62
= 1
–   Jazz 501 32-bit2206+29
−29		(−80)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−80
0 1
–   FireFly 2.5.13 32-bit2189+34
−34		(−97)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−37
= = 1 =
–   NagaSkaki 5.122187+17
−17		(−99)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−194
0 0 = 1
–   KMTChess 1.2.1 32-bit2183+21
−21		(−103)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+53
= 1 1 =
–   ECE 11.012181+23
−23		(−105)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−200
0 0 = 1
–   FireFly 2.5.102181+34
−34		(−105)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Sjakk 1.1.72175+34
−34		(−111)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+38
= 0 0 1 1 1 1 = 1 1
–   iCE 0.12163+29
−29		(−123)10 − 4
(+9−3=2)		71.4%
10.0 / 14
100.0%
+45
1 0 1 = 1 0 1 1 1 0 1 = 1 1
–   Chesley r323 32-bit2155+24
−24		(−131)1 − 3
(+1−3=0)		25.0%
1.0 / 4
100.0%
−365
1 0 0 0
–   KnockOut 0.7.12153+15
−15		(−133)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+93
1 1 1 0
–   Ifrit j4.32151+28
−28		(−135)11 − 3
(+10−2=2)		78.6%
11.0 / 14
100.0%
+95
1 1 1 1 = 1 0 1 1 1 1 = 1 0
493 games: 177 wins, 196 losses, 120 draws (24.3%), score: 48.1%

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Created in 2005-2013 by CCRL team
Last games added on October 17, 2020