CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

Options
Show each game results
Butcher 1.61 32-bit (2242+24
−24		)Quote
Author: Marek Kolacz (Poland) Link: Homepage
This is one of the 4 Butcher versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rodin 4.02505+16
−16		(+263)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Gaviota 0.83 32-bit2505+24
−24		(+263)1.5 − 8.5
(+1−8=1)		15.0%
1.5 / 10
0.0%
−41
–   Pawny 0.2.2 32-bit2377+27
−27		(+135)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+31
–   Eeyore 1.52 32-bit2375+20
−20		(+133)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+234
–   Rodin 3.02372+16
−16		(+130)1.5 − 3.5
(+0−2=3)		30.0%
1.5 / 5
0.0%
−5
–   Pawny 0.2.1 32-bit2370+27
−27		(+128)2 − 2
(+2−2=0)		50.0%
2.0 / 4
0.0%
+128
–   Atlas 3.14b 32-bit2369+22
−22		(+127)1.5 − 5.5
(+1−5=1)		21.4%
1.5 / 7
0.0%
−113
–   Dorky 4.3 32-bit2353+23
−23		(+111)2 − 6
(+0−4=4)		25.0%
2.0 / 8
0.0%
−53
–   Ares 1.0042339+14
−14		(+97)7.5 − 18.5
(+4−15=7)		28.8%
7.5 / 26
0.0%
−70
–   iCE 0.22336+16
−16		(+94)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−139
–   TJchess 1.012335+20
−20		(+93)1.5 − 6.5
(+1−6=1)		18.8%
1.5 / 8
0.0%
−172
–   Alex 2.14a 32-bit2329+24
−24		(+87)4 − 4
(+2−2=4)		50.0%
4.0 / 8
0.0%
+86
–   OliThink 5.3.0 32-bit2323+18
−18		(+81)9 − 13
(+7−11=4)		40.9%
9.0 / 22
0.0%
+1
–   Plisk 0.2.7d 32-bit2315+19
−19		(+73)19.5 − 16.5
(+15−12=9)
54.2%
19.5 / 36
0.0%
+105
–   Tytan 9.322310+24
−24		(+68)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−93
–   Ghost 2.0.12306+17
−17		(+64)8.5 − 10.5
(+6−8=5)		44.7%
8.5 / 19
0.0%
+29
–   Sjakk 1.1.92289+25
−25		(+47)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.3%
+41
–   Amundsen 0.802289+15
−15		(+47)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+46
–   Alex 2.132287+28
−28		(+45)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.7%
−66
–   Simplex 0.9.7 32-bit2284+27
−27		(+42)5.5 − 6.5
(+5−6=1)		45.8%
5.5 / 12
0.9%
+4
–   Cheese 1.3b 32-bit2281+28
−28		(+39)4 − 2
(+3−1=2)		66.7%
4.0 / 6
1.7%
+162
–   EveAnn 1.672280+26
−26		(+38)1 − 1
(+1−1=0)		50.0%
1.0 / 2
1.4%
+38
–   ECE 12.012280+19
−19		(+38)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.6%
−3
–   Mediocre 0.42273+22
−22		(+31)4 − 10
(+3−9=2)		28.6%
4.0 / 14
2.7%
−160
–   Waxman 20102268+19
−19		(+26)6 − 10
(+4−8=4)		37.5%
6.0 / 16
3.8%
−78
–   Cheese 1.32267+15
−15		(+25)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
3.5%
+195
–   Sjakk 1.1.82263+21
−21		(+21)2 − 6
(+1−5=2)		25.0%
2.0 / 8
8.8%
−181
–   Anechka 0.082261+16
−16		(+19)3 − 1
(+3−1=0)		75.0%
3.0 / 4
9.0%
+252
–   Natwarlal 0.142256+16
−16		(+14)2 − 2
(+2−2=0)		50.0%
2.0 / 4
15.8%
+14
–   Popochin 3.22253+15
−15		(+11)2 − 0
(+2−0=0)		100.0%
2.0 / 2
21.0%
+INF
–   Chaturanga 2.4.32245+16
−16		(+3)15 − 17
(+9−11=12)
46.9%
15.0 / 32
40.9%
−22
–   AliChess 4.252240+16
−16		(−2)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
55.6%
−68
–   Matilde 2008 32-bit2225+28
−28		(−17)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
82.9%
−187
–   EveAnn 1.662221+28
−28		(−21)4.5 − 3.5
(+4−3=1)		56.3%
4.5 / 8
86.9%
+32
–   Sungorus 1.42214+18
−18		(−28)14 − 8
(+12−6=4)		63.6%
14.0 / 22
97.2%
+93
–   RattateChess 1.0 Nosferatu2208+16
−16		(−34)4 − 0
(+4−0=0)		100.0%
4.0 / 4
99.2%
+INF
–   Betsabe II 1.08c2191+28
−28		(−51)1 − 3
(+1−3=0)		25.0%
1.0 / 4
99.7%
−283
–   Atak 6.82187+14
−14		(−55)7 − 5
(+5−3=4)		58.3%
7.0 / 12
100.0%
+9
–   Dolphin 1.0 64-bit2181+16
−16		(−61)7 − 3
(+5−1=4)		70.0%
7.0 / 10
100.0%
+87
–   Bearded N44.22175+30
−30		(−67)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−67
–   Beowulf 2.4a2169+17
−17		(−73)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+169
–   Bagatur 1.2d 32-bit2168+30
−30		(−74)5 − 5
(+2−2=6)		50.0%
5.0 / 10
100.0%
−74
–   Uralochka 1.1b2166+16
−16		(−76)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−238
–   Betsabe II 1.09c2158+30
−30		(−84)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+86
–   Myrddin 0.85 32-bit2154+24
−24		(−88)2 − 2
(+2−2=0)		50.0%
2.0 / 4
100.0%
−88
–   Jazz 501 32-bit2153+26
−26		(−89)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−88
–   Latista (Sinobyl) 1.52152+19
−19		(−90)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+71
–   NagaSkaki 5.122135+15
−15		(−107)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−219
–   FireFly 2.5.13 32-bit2135+30
−30		(−107)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−36
–   KMTChess 1.2.1 32-bit2129+19
−19		(−113)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+57
–   FireFly 2.5.102128+30
−30		(−114)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   ECE 11.012127+21
−21		(−115)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−226
–   Sjakk 1.1.72120+30
−30		(−122)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+43
–   iCE 0.12106+25
−25		(−136)10 − 4
(+9−3=2)		71.4%
10.0 / 14
100.0%
+44
–   Ifrit j4.32104+21
−21		(−138)11 − 3
(+10−2=2)		78.6%
11.0 / 14
100.0%
+104
–   Chesley r323 32-bit2099+21
−21		(−143)1 − 3
(+1−3=0)		25.0%
1.0 / 4
100.0%
−394
–   KnockOut 0.7.12095+14
−14		(−147)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+86
493 games: 177 wins, 196 losses, 120 draws (24.3%), score: 48.1%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on November 16, 2024