CCRL 40/15
Downloads and Statistics
June 27, 2020
Testing summary:
Total: 1'157'654 games
played by 2'680 programs

White wins: 399'695 (34.5%)
Black wins: 295'571 (25.5%)
Draws: 462'388 (39.9%)
White score: 54.5%

Engine Details

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Butcher 1.61 32-bit (2285+27
−27
)Quote
Author: Marek Kolacz (Poland) Link: Homepage
This is one of the 4 Butcher versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Gaviota 0.83 32-bit2525+27
−28
(+240)1.5 − 8.5
(+1−8=1)
15.0%
1.5 / 10
0.0%
−63
0 0 0 0 0 0 0 = 1 0
–   Rodin 4.02524+18
−18
(+239)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Pawny 0.2.2 32-bit2413+34
−34
(+128)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+42
= 0 1 0
–   Eeyore 1.52 32-bit2405+23
−23
(+120)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+212
0 1 = 1
–   Rodin 3.02403+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
(+118)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.0%
+118
0 1 1 0
–   Atlas 3.14b 32-bit2401+25
−25
(+116)1.5 − 5.5
(+1−5=1)
21.4%
1.5 / 7
0.0%
−110
0 0 1 0 0 = 0
–   Dorky 4.3 32-bit2386+26
−26
(+101)2 − 6
(+0−4=4)
25.0%
2.0 / 8
0.0%
−45
= 0 = 0 = = 0 0
–   Ares 1.0042373+16
−16
(+88)7.5 − 18.5
(+4−15=7)
28.8%
7.5 / 26
0.0%
−63
0 = 0 = 0 0 1 = 1 0 = 0 = = 0 1 0 = 0 0 0 0 0 0 0 1
–   iCE 0.22372+19
−19
(+87)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−139
0 1 0 0
–   TJchess 1.012371+24
−24
(+86)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−174
1 0 0 0 = 0 0 0
–   Alex 2.14a 32-bit2364+27
−27
(+79)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.0%
+79
0 = 0 = 1 = 1 =
–   OliThink 5.3.0 32-bit2359+21
−21
(+74)9 − 13
(+7−11=4)
40.9%
9.0 / 22
0.0%
+6
0 0 1 0 1 0 0 = = 1 0 = 1 0 1 1 0 1 = 0 0 0
–   Plisk 0.2.7d 32-bit2352+21
−21
(+67)19.5 − 16.5
(+15−12=9)
54.2%
19.5 / 36
0.0%
+94
1 0 0 = = 0 0 0 1 0 0 1 = 1 0 1 = 0 1 1 1 1 0 1 1 1 = = 1 1 = 0 1 0 = =
–   Tytan 9.32 32-bit2347+28
−28
(+62)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.1%
−80
= 0
–   Ghost 2.0.12343+19
−19
(+58)8.5 − 10.5
(+6−8=5)
44.7%
8.5 / 19
0.0%
+28
0 0 1 = 1 = 0 0 0 1 0 1 0 = 1 1 = 0 =
–   Amundsen 0.802329+17
−17
(+44)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.4%
+44
1 0
–   Sjakk 1.1.92326+29
−29
(+41)5 − 5
(+4−4=2)
50.0%
5.0 / 10
2.1%
+35
0 1 = 0 = 1 0 1 0 1
–   Alex 2.132326+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
(+39)5.5 − 6.5
(+5−6=1)
45.8%
5.5 / 12
3.1%
+7
1 0 0 0 1 0 = 0 1 1 1 0
–   EveAnn 1.672320+30
−30
(+35)1 − 1
(+1−1=0)
50.0%
1.0 / 2
4.8%
+35
1 0
–   ECE 12.012319+22
−22
(+34)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
2.8%
−1
0 1 1 0 0 = 0 1 = =
–   Mediocre 0.42318+28
−28
(+33)4 − 10
(+3−9=2)
28.6%
4.0 / 14
5.0%
−138
0 0 0 = = 0 0 1 0 0 1 1 0 0
–   Cheese 1.3b 32-bit2313+34
−34
(+28)4 − 2
(+3−1=2)
66.7%
4.0 / 6
10.6%
+137
= 0 = 1 1 1
–   Waxman 20102309+22
−21
(+24)6 − 10
(+4−8=4)
37.5%
6.0 / 16
8.7%
−67
1 0 = 0 = 0 0 = 1 1 0 = 0 0 0 1
–   Cheese 1.32309+17
−17
(+24)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
7.7%
+181
1 =
–   Sjakk 1.1.82303+24
−24
(+18)2 − 6
(+1−5=2)
25.0%
2.0 / 8
16.7%
−168
= 0 0 = 0 1 0 0
–   Anechka 0.082302+18
−19
(+17)3 − 1
(+3−1=0)
75.0%
3.0 / 4
16.3%
+243
1 1 1 0
–   Natwarlal 0.142300+19
−19
(+15)2 − 2
(+2−2=0)
50.0%
2.0 / 4
19.5%
+15
0 1 1 0
–   Popochin 3.22296+18
−18
(+11)2 − 0
(+2−0=0)
100.0%
2.0 / 2
25.5%
+INF
1 1
–   Chaturanga 2.4.32290+19
−19
(+5)15 − 17
(+9−11=12)
46.9%
15.0 / 32
39.9%
−16
0 0 1 = = = = = 0 0 = 0 1 = 0 0 0 0 0 0 = 1 1 = = = 1 1 = 1 1 1
–   AliChess 4.252281+19
−19
(−4)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
59.8%
−60
0 1 1 0 1 = 1 1 0 0 1 1 1 = = 1 0 0 = = 0 0 0 0 0 = 0 0 = 1 0 0
–   Matilde 2008 32-bit2274+34
−33
(−11)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
70.5%
−167
= 0
–   EveAnn 1.662271+33
−33
(−14)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
75.4%
+31
0 0 1 1 0 1 = 1
–   Sungorus 1.4 32-bit2260+21
−21
(−25)14 − 8
(+12−6=4)
63.6%
14.0 / 22
93.2%
+80
1 = = 1 0 1 = 1 1 0 1 0 = 1 0 1 1 0 1 1 1 0
–   RattateChess 1.0 Nosferatu2253+19
−18
(−32)4 − 0
(+4−0=0)
100.0%
4.0 / 4
97.3%
+INF
1 1 1 1
–   Atak 6.82239+16
−16
(−46)7 − 5
(+5−3=4)
58.3%
7.0 / 12
99.8%
+9
= 1 1 = 0 = 0 0 1 = 1 1
–   Betsabe II 1.08c2237+35
−35
(−48)1 − 3
(+1−3=0)
25.0%
1.0 / 4
98.4%
−273
0 1 0 0
–   Dolphin 1.0 64-bit2231+18
−18
(−54)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
+77
1 = 0 = = = 1 1 1 1
–   Bearded N44.22224+34
−34
(−61)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.7%
−61
= =
–   Bagatur 1.2d 32-bit2219+34
−34
(−66)5 − 5
(+2−2=6)
50.0%
5.0 / 10
99.9%
−66
1 = 1 = 0 0 = = = =
–   Uralochka 1.1b2219+18
−18
(−66)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−208
0 =
–   Beowulf 2.4a 32-bit2218+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
(−75)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+81
= 1
–   Myrddin 0.85 32-bit2207+27
−27
(−78)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−78
1 0 0 1
–   Latista (Sinobyl) 1.52207+22
−23
(−78)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+64
1 =
–   Jazz 501 32-bit2206+29
−29
(−79)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−79
0 1
–   FireFly 2.5.13 32-bit2189+34
−34
(−96)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−36
= 1 = =
–   NagaSkaki 5.122187+17
−17
(−98)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−193
0 0 1 =
–   KMTChess 1.2.1 32-bit2183+21
−21
(−102)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+54
= 1 = 1
–   ECE 11.012181+23
−23
(−104)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−199
0 0 = 1
–   FireFly 2.5.102180+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
(−110)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+39
= 0 0 1 1 1 1 = 1 1
–   iCE 0.12163+29
−29
(−122)10 − 4
(+9−3=2)
71.4%
10.0 / 14
100.0%
+46
1 0 1 = 1 0 1 1 1 0 1 = 1 1
–   Chesley r323 32-bit2155+24
−24
(−130)1 − 3
(+1−3=0)
25.0%
1.0 / 4
100.0%
−364
0 0 0 1
–   KnockOut 0.7.12153+15
−15
(−132)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+94
1 1 1 0
–   Ifrit j4.32151+28
−28
(−134)11 − 3
(+10−2=2)
78.6%
11.0 / 14
100.0%
+96
1 1 0 1 1 = 1 0 1 1 1 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on June 27, 2020