CCRL 40/15
Downloads and Statistics
January 9, 2021
Testing summary:
Total: 1'204'486 games
played by 2'764 programs

White wins: 414'243 (34.4%)
Black wins: 305'352 (25.4%)
Draws: 484'891 (40.3%)
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
–   Gaviota 0.83 32-bit2525+27
−28
(+239)1.5 − 8.5
(+1−8=1)
15.0%
1.5 / 10
0.0%
−64
–   Pawny 0.2.2 32-bit2413+34
−34
(+127)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+41
–   Eeyore 1.52 32-bit2406+23
−22
(+120)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+212
–   Pawny 0.2.1 32-bit2404+31
−31
(+118)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.0%
+118
–   Rodin 3.02404+18
−18
(+118)1.5 − 3.5
(+0−2=3)
30.0%
1.5 / 5
0.0%
0
–   Atlas 3.14b 32-bit2402+25
−25
(+116)1.5 − 5.5
(+1−5=1)
21.4%
1.5 / 7
0.0%
−110
–   Dorky 4.3 32-bit2386+26
−26
(+100)2 − 6
(+0−4=4)
25.0%
2.0 / 8
0.0%
−46
–   Ares 1.0042374+16
−16
(+88)7.5 − 18.5
(+4−15=7)
28.8%
7.5 / 26
0.0%
−63
–   iCE 0.22372+19
−19
(+86)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−140
–   TJchess 1.012371+24
−24
(+85)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−175
–   Alex 2.14a 32-bit2365+27
−27
(+79)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.0%
+79
–   OliThink 5.3.0 32-bit2359+21
−21
(+73)9 − 13
(+7−11=4)
40.9%
9.0 / 22
0.0%
+5
–   Plisk 0.2.7d 32-bit2352+21
−21
(+66)19.5 − 16.5
(+15−12=9)
54.2%
19.5 / 36
0.0%
+93
–   Tytan 9.32 32-bit2347+28
−28
(+61)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.1%
−81
–   Ghost 2.0.12343+19
−19
(+57)8.5 − 10.5
(+6−8=5)
44.7%
8.5 / 19
0.0%
+27
–   Amundsen 0.802329+17
−17
(+43)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.4%
+43
–   Sjakk 1.1.92327+29
−29
(+41)5 − 5
(+4−4=2)
50.0%
5.0 / 10
2.1%
+35
–   Alex 2.132327+32
−32
(+41)3 − 5
(+2−4=2)
37.5%
3.0 / 8
2.7%
−54
–   Simplex 0.9.7 32-bit2324+31
−31
(+38)5.5 − 6.5
(+5−6=1)
45.8%
5.5 / 12
3.1%
+6
–   EveAnn 1.672320+30
−30
(+34)1 − 1
(+1−1=0)
50.0%
1.0 / 2
4.8%
+34
–   ECE 12.012320+22
−22
(+34)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
2.8%
−1
–   Mediocre 0.42316+28
−28
(+30)4 − 10
(+3−9=2)
28.6%
4.0 / 14
6.4%
−141
–   Cheese 1.3b 32-bit2313+34
−34
(+27)4 − 2
(+3−1=2)
66.7%
4.0 / 6
10.7%
+136
–   Waxman 20102310+22
−22
(+24)6 − 10
(+4−8=4)
37.5%
6.0 / 16
8.8%
−67
–   Cheese 1.32310+17
−17
(+24)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
7.6%
+181
–   Sjakk 1.1.82304+24
−24
(+18)2 − 6
(+1−5=2)
25.0%
2.0 / 8
17.0%
−168
–   Anechka 0.082303+19
−19
(+17)3 − 1
(+3−1=0)
75.0%
3.0 / 4
16.3%
+243
–   Natwarlal 0.142301+19
−19
(+15)2 − 2
(+2−2=0)
50.0%
2.0 / 4
18.5%
+15
–   Popochin 3.22297+18
−18
(+11)2 − 0
(+2−0=0)
100.0%
2.0 / 2
25.2%
+INF
–   Chaturanga 2.4.32290+19
−19
(+4)15 − 17
(+9−11=12)
46.9%
15.0 / 32
39.7%
−17
–   AliChess 4.252283+19
−19
(−3)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
56.3%
−59
–   Matilde 2008 32-bit2274+34
−34
(−12)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
70.8%
−168
–   EveAnn 1.662271+33
−33
(−15)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
75.4%
+30
–   Sungorus 1.4 32-bit2261+21
−21
(−25)14 − 8
(+12−6=4)
63.6%
14.0 / 22
93.2%
+80
–   RattateChess 1.0 Nosferatu2254+18
−19
(−32)4 − 0
(+4−0=0)
100.0%
4.0 / 4
97.3%
+INF
–   Atak 6.82238+16
−16
(−48)7 − 5
(+5−3=4)
58.3%
7.0 / 12
99.9%
+7
–   Betsabe II 1.08c2238+35
−35
(−48)1 − 3
(+1−3=0)
25.0%
1.0 / 4
98.5%
−273
–   Dolphin 1.0 64-bit2232+18
−18
(−54)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
+77
–   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
–   Uralochka 1.1b2219+18
−18
(−67)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−209
–   Beowulf 2.4a 32-bit2219+19
−19
(−67)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+164
–   Betsabe II 1.09c2210+34
−34
(−76)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+80
–   Latista (Sinobyl) 1.52208+22
−22
(−78)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+64
–   Myrddin 0.85 32-bit2207+27
−27
(−79)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−79
–   Jazz 501 32-bit2206+29
−29
(−80)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−80
–   FireFly 2.5.13 32-bit2189+34
−34
(−97)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−37
–   NagaSkaki 5.122187+17
−17
(−99)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−194
–   KMTChess 1.2.1 32-bit2183+21
−21
(−103)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+53
–   ECE 11.012181+23
−24
(−105)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−200
–   FireFly 2.5.102181+34
−34
(−105)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   Sjakk 1.1.72175+34
−34
(−111)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+38
–   iCE 0.12163+29
−29
(−123)10 − 4
(+9−3=2)
71.4%
10.0 / 14
100.0%
+45
–   Chesley r323 32-bit2155+24
−24
(−131)1 − 3
(+1−3=0)
25.0%
1.0 / 4
100.0%
−365
–   KnockOut 0.7.12153+15
−15
(−133)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+93
–   Ifrit j4.32151+28
−28
(−135)11 − 3
(+10−2=2)
78.6%
11.0 / 14
100.0%
+95

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Created in 2005-2013 by CCRL team
Last games added on January 9, 2021