CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
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
−27
(+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+19
−18
(+239)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Pawny 0.2.2 32-bit2411+34
−34
(+126)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+40
= 0 1 0
–   Eeyore 1.52 32-bit2404+23
−23
(+119)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+211
1 = 1 0
–   Rodin 3.02402+18
−18
(+117)1.5 − 3.5
(+0−2=3)
30.0%
1.5 / 5
0.0%
−1
0 0 = = =
–   Pawny 0.2.1 32-bit2402+31
−31
(+117)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.0%
+117
1 0 0 1
–   Atlas 3.14b 32-bit2400+25
−25
(+115)1.5 − 5.5
(+1−5=1)
21.4%
1.5 / 7
0.0%
−111
1 0 0 0 0 = 0
–   Dorky 4.3 32-bit2385+26
−26
(+100)2 − 6
(+0−4=4)
25.0%
2.0 / 8
0.0%
−46
= 0 = 0 0 = = 0
–   Ares 1.0042372+16
−16
(+87)7.5 − 18.5
(+4−15=7)
28.8%
7.5 / 26
0.0%
−64
0 = 0 = 1 0 = = 0 1 0 = 0 0 0 0 0 0 = 0 0 = 0 1 0 1
–   iCE 0.22371+19
−19
(+86)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−140
0 0 1 0
–   TJchess 1.012369+24
−24
(+84)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−176
1 0 0 0 0 0 = 0
–   Alex 2.14a 32-bit2362+27
−27
(+77)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.0%
+77
0 = 0 = 1 = 1 =
–   OliThink 5.3.0 32-bit2357+21
−21
(+72)9 − 13
(+7−11=4)
40.9%
9.0 / 22
0.0%
+4
0 = 1 0 1 0 1 0 0 0 0 = = 1 0 = 1 0 1 1 0 0
–   Plisk 0.2.7d 32-bit2350+21
−21
(+65)19.5 − 16.5
(+15−12=9)
54.2%
19.5 / 36
0.0%
+92
1 0 0 0 0 1 = = 0 0 1 0 1 0 1 1 1 = = 1 1 = 0 1 1 0 1 1 = 1 = 0 = 0 = 1
–   Tytan 9.32 32-bit2345+28
−28
(+60)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.1%
−82
= 0
–   Ghost 2.0.12342+19
−19
(+57)8.5 − 10.5
(+6−8=5)
44.7%
8.5 / 19
0.0%
+27
1 = 1 = 0 0 0 0 1 1 = 1 0 1 = = 0 0 0
–   Amundsen 0.802333+20
−20
(+48)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.3%
+48
1 0
–   Sjakk 1.1.92326+29
−29
(+41)5 − 5
(+4−4=2)
50.0%
5.0 / 10
2.0%
+35
= 0 1 0 = 1 0 1 0 1
–   Alex 2.132325+32
−32
(+40)3 − 5
(+2−4=2)
37.5%
3.0 / 8
3.0%
−55
1 0 = 1 0 0 = 0
–   EveAnn 1.672324+30
−30
(+39)1 − 1
(+1−1=0)
50.0%
1.0 / 2
3.0%
+39
1 0
–   Simplex 0.9.7 32-bit2323+31
−31
(+38)5.5 − 6.5
(+5−6=1)
45.8%
5.5 / 12
3.3%
+6
0 1 0 1 = 0 1 1 1 0 0 0
–   Mediocre 0.42319+31
−31
(+34)4 − 10
(+3−9=2)
28.6%
4.0 / 14
4.8%
−137
0 0 1 = 0 0 1 0 = 0 0 0 1 0
–   ECE 12.012318+22
−22
(+33)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
2.9%
−2
0 1 = = 0 0 = 0 1 1
–   Cheese 1.3b 32-bit2309+35
−35
(+24)4 − 2
(+3−1=2)
66.7%
4.0 / 6
14.2%
+133
1 1 = 1 = 0
–   Waxman 20102308+22
−21
(+23)6 − 10
(+4−8=4)
37.5%
6.0 / 16
9.5%
−68
1 0 = 1 0 0 0 = 0 1 1 0 0 = 0 =
–   Cheese 1.32307+17
−17
(+22)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
9.0%
+179
1 =
–   Natwarlal 0.142303+19
−19
(+18)2 − 2
(+2−2=0)
50.0%
2.0 / 4
13.8%
+18
0 1 1 0
–   Sjakk 1.1.82301+24
−24
(+16)2 − 6
(+1−5=2)
25.0%
2.0 / 8
19.6%
−170
= 0 0 0 0 1 0 =
–   Anechka 0.082297+19
−19
(+12)3 − 1
(+3−1=0)
75.0%
3.0 / 4
24.0%
+238
1 1 1 0
–   Popochin 3.22293+18
−18
(+8)2 − 0
(+2−0=0)
100.0%
2.0 / 2
30.4%
+INF
1 1
–   Chaturanga 2.4.32289+22
−22
(+4)15 − 17
(+9−11=12)
46.9%
15.0 / 32
40.6%
−17
= = 1 0 0 0 0 = 0 1 = 0 0 0 0 = = 1 1 = = 1 1 0 = = 1 1 1 0 = =
–   AliChess 4.252288+22
−22
(+3)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
42.5%
−53
0 1 1 0 1 1 1 1 = = 1 0 0 = = 0 0 1 0 0 = 1 0 = 0 0 0 0 0 0 = 1
–   EveAnn 1.662278+33
−33
(−7)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
63.3%
+38
0 0 1 1 0 1 = 1
–   Matilde 2008 32-bit2271+34
−34
(−14)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
73.6%
−170
= 0
–   Sungorus 1.4 32-bit2259+21
−21
(−26)14 − 8
(+12−6=4)
63.6%
14.0 / 22
93.7%
+79
1 0 0 1 = 1 = 1 1 = 1 1 1 0 1 0 0 1 1 0 = 1
–   RattateChess 1.0 Nosferatu2248+21
−21
(−37)4 − 0
(+4−0=0)
100.0%
4.0 / 4
98.4%
+INF
1 1 1 1
–   Betsabe II 1.08c2236+35
−35
(−49)1 − 3
(+1−3=0)
25.0%
1.0 / 4
98.6%
−274
0 0 0 1
–   Atak 6.82236+19
−19
(−49)7 − 5
(+5−3=4)
58.3%
7.0 / 12
99.8%
+6
= 1 1 = 1 1 = 0 0 1 0 =
–   Dolphin 1.02233+20
−20
(−52)7 − 3
(+5−1=4)
70.0%
7.0 / 10
99.9%
+79
1 = 1 1 1 1 = = 0 =
–   Bearded N44.22220+36
−36
(−65)1 − 1
(+0−0=2)
50.0%
1.0 / 2
99.8%
−65
= =
–   Bagatur 1.2d 32-bit2219+35
−35
(−66)5 − 5
(+2−2=6)
50.0%
5.0 / 10
99.8%
−66
1 = = 1 = 0 0 = = =
–   Uralochka 1.1b2218+19
−19
(−67)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−209
0 =
–   Betsabe II 1.09c2214+36
−36
(−71)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.9%
+85
= 1
–   Beowulf 2.4a 32-bit2212+21
−21
(−73)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+158
1 1 1 = 1 =
–   Jazz 501 32-bit2205+29
−29
(−80)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−80
0 1
–   Myrddin 0.85 32-bit2204+27
−27
(−81)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−81
1 0 0 1
–   Latista (Sinobyl) 1.52196+25
−25
(−89)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+53
1 =
–   FireFly 2.5.13 32-bit2188+34
−34
(−97)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−37
= = = 1
–   NagaSkaki 5.122183+18
−18
(−102)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−197
1 = 0 0
–   FireFly 2.5.102182+35
−35
(−103)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   KMTChess 1.2.1 32-bit2181+21
−21
(−104)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+52
= 1 = 1
–   ECE 11.012179+23
−23
(−106)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−201
1 0 0 =
–   Sjakk 1.1.72174+34
−34
(−111)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+38
1 = 1 1 = 0 0 1 1 1
–   iCE 0.12162+30
−30
(−123)10 − 4
(+9−3=2)
71.4%
10.0 / 14
100.0%
+45
1 1 0 1 = 1 1 1 0 1 = 1 0 1
–   Chesley r323 32-bit2156+25
−25
(−129)1 − 3
(+1−3=0)
25.0%
1.0 / 4
100.0%
−363
1 0 0 0
–   KnockOut 0.7.12147+16
−16
(−138)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+88
0 1 1 1
–   Ifrit j4.32147+28
−29
(−138)11 − 3
(+10−2=2)
78.6%
11.0 / 14
100.0%
+92
0 1 1 = 1 0 1 1 1 1 = 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on February 17, 2018