CCRL 40/15
Downloads and Statistics
January 16, 2021
Testing summary:
Total: 1'206'633 games
played by 2'770 programs

White wins: 414'929 (34.4%)
Black wins: 305'861 (25.3%)
Draws: 485'843 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Butcher 1.64 64-bit (2281+20
−20		)Quote
Author: Marek Kolacz (Poland) Link: Homepage
This is one of the 4 Butcher versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Zappa Mexico II 64-bit2853+10
−10		(+572)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Counter 2.9 64-bit2714+24
−24		(+433)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Coiled 0.4 64-bit2564+17
−17		(+283)1.5 − 4.5
(+1−4=1)		25.0%
1.5 / 6
0.0%
+87
= 0 1 0 0 0
–   Capivara LK 0.09b02c 64-bit2556+21
−21		(+275)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   nanoSzachy 4.0 64-bit2545+18
−17		(+264)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   nanoSzachy 4.1 64-bit2530+17
−17		(+249)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Pepito 1.59.2 64-bit2495+17
−17		(+214)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+214
= =
–   Matacz 1.42479+16
−16		(+198)1 − 0
(+1−0=0)		100.0%
1.0 / 1
0.0%
+INF
1
–   Bruja 1.9.1 64-bit2479+18
−17		(+198)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Pawny 0.3.1 64-bit2475+23
−23		(+194)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Cheese 1.4 64-bit2470+20
−20		(+189)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+31
= 0
–   Murka 2 64-bit2460+24
−24		(+179)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Dorky 4.3 64-bit2450+28
−28		(+169)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Eeyore 1.52 64-bit2441+17
−17		(+160)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+2
= 0
–   Bearded N44.5 64-bit2440+20
−20		(+159)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Snitch 1.6.2 64-bit2434+21
−21		(+153)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Betsabe II 1.30 64-bit2426+23
−22		(+145)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+77
= = 0 =
–   Ifrit m1.8 64-bit2413+17
−18		(+132)3 − 9
(+0−6=6)		25.0%
3.0 / 12
0.0%
−18
0 0 0 = = 0 = = 0 = 0 =
–   Shallow r688 64-bit2413+19
−19		(+132)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Sjakk 2.0 64-bit2403+24
−24		(+122)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−20
0 =
–   Gosu 0.162402+18
−18		(+121)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+278
1 =
–   RomiChess P3L 64-bit2401+23
−23		(+120)4 − 10
(+2−8=4)		28.6%
4.0 / 14
0.0%
−29
0 0 1 1 = 0 = = = 0 0 0 0 0
–   Simplex 0.9.8 64-bit2401+17
−17		(+120)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
0.0%
+33
0 0 = 0 = = = 0 = 1
–   Rhetoric 1.0 64-bit2400+33
−33		(+119)3 − 1
(+2−0=2)		75.0%
3.0 / 4
0.0%
+268
= = 1 1
–   Myrddin 0.87 64-bit2396+13
−13		(+115)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Alex 2.14a 64-bit2394+18
−18		(+113)4 − 10
(+2−8=4)		28.6%
4.0 / 14
0.0%
−39
1 = 0 1 = 0 = 0 0 0 0 = 0 0
–   Waxman 20142391+20
−20		(+110)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−32
= 0
–   Comet B682384+18
−19		(+103)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+260
= 1
–   Jazz 721 64-bit2379+19
−19		(+98)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+180
0 = 1 1
–   Betsabe II 1.28 64-bit2377+33
−33		(+96)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
0.0%
+36
0 0 = 1 1 0
–   OliThink 5.3.2 64-bit2374+18
−18		(+93)6 − 13
(+3−10=6)		31.6%
6.0 / 19
0.0%
−33
0 0 1 = = = 0 = 1 0 0 0 = 0 0 0 0 = 1
–   Tytan 9.32 64-bit2369+23
−23		(+88)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+118
=
–   Capivara LK 0.09a02c 64-bit2368+32
−32		(+87)1 − 2
(+1−2=0)		33.3%
1.0 / 3
0.0%
−54
0 1 0
–   TJchess 1.1 64-bit2365+20
−20		(+84)6 − 12
(+4−10=4)		33.3%
6.0 / 18
0.0%
−31
0 0 = = 0 0 1 0 = 0 1 1 0 0 0 1 0 =
–   Isa 2.0.64 64-bit2364+16
−16		(+83)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.0%
−93
0 0 0 = 0 1 0 =
–   Plisk 0.2.7d 64-bit2363+19
−19		(+82)7 − 12
(+5−10=4)		36.8%
7.0 / 19
0.0%
−14
1 = 0 0 0 1 0 = 0 0 0 = 0 0 1 = 1 0 1
–   Myrddin 0.86 64-bit2360+22
−22		(+79)12 − 12
(+6−6=12)		50.0%
12.0 / 24
0.0%
+75
= = 0 = = 1 = 1 = 0 0 = = 1 = = = 0 = 0 1 1 0 1
–   Lozza 1.15 64-bit2347+25
−25		(+66)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Ghost 2.0.12343+19
−19		(+62)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+121
= = = 1
–   Maverick 0.51 64-bit2342+22
−22		(+61)7.5 − 10.5
(+6−9=3)		41.7%
7.5 / 18
0.0%
−3
0 0 0 0 1 = 0 = 0 0 0 0 = 1 1 1 1 1
–   Jazz 840 64-bit2340+15
−15		(+59)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+89
=
–   Napoleon 1.8 64-bit2338+17
−17		(+57)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−226
0 0 0 =
–   CyberPagno 2.2 64-bit2337+23
−23		(+56)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Popochin 4.0 64-bit2336+28
−27		(+55)5.5 − 8.5
(+4−7=3)		39.3%
5.5 / 14
0.1%
−24
1 = 0 1 0 0 1 0 = 0 1 = 0 0
–   FireFly 2.7.2 64-bit2329+16
−16		(+48)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.0%
−31
= 1 = = = 0 0 0
–   Bagatur 1.3a 64-bit2327+19
−19		(+46)18.5 − 18.5
(+13−13=11)
50.0%
18.5 / 37
0.1%
+47
0 1 0 = 1 1 = 0 = = = 0 1 1 1 1 1 = 1 0 0 0 = 0 = 1 1 0 1 1 0 0 = = = 0 0
–   Sjakk 1.1.92326+29
−29		(+45)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
0.6%
+81
1 = 1 1 = 0 0 = 1 0
–   Der Bringer 1.92324+23
−23		(+43)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.3%
−26
= 1 0 = 0 1 1 0 0 = = 0 0 0 0 0 1 0 1 1 0 0 0 1 = 0 0 = 1 1 0 1
–   Chezzz 1.0.32323+19
−19		(+42)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.1%
+124
1 1 = 0
–   Googleplex Starthinker 1.4 64-bit2321+17
−17		(+40)3 − 1
(+3−1=0)		75.0%
3.0 / 4
0.2%
+267
1 1 1 0
–   EveAnn 1.722320+16
−16		(+39)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.1%
−40
= 1 = = 0 0 = 0
–   EveAnn 1.672320+30
−30		(+39)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
1.7%
+1
1 = 0 = 1 0 0 =
–   Gibbon 2.69a 64-bit2320+18
−18		(+39)3 − 1
(+3−1=0)		75.0%
3.0 / 4
0.3%
+274
1 0 1 1
–   EveAnn 1.71a2319+21
−21		(+38)7 − 5
(+6−4=2)		58.3%
7.0 / 12
0.6%
+100
1 1 1 0 0 1 1 = = 0 0 1
–   ECE 12.012319+22
−22		(+38)12.5 − 11.5
(+9−8=7)		52.1%
12.5 / 24
0.5%
+51
1 1 0 = = 0 0 = 1 1 0 0 1 1 1 0 = 1 0 = = 1 = 0
–   Mediocre 0.42315+27
−27		(+34)0.5 − 4.5
(+0−4=1)		10.0%
0.5 / 5
2.7%
−284
0 0 0 = 0
–   Capivara LK 0.09a02a 64-bit2315+31
−31		(+34)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
3.8%
−48
1 0 0 =
–   Waxman 20132314+25
−25		(+33)3.5 − 4.5
(+3−4=1)		43.8%
3.5 / 8
2.2%
−18
= 0 1 0 1 1 0 0
–   Averno 0.812314+18
−18		(+33)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.9%
−202
0 1 0 0
–   Pedone 0.3 64-bit2309+33
−33		(+28)1 − 1
(+1−1=0)		50.0%
1.0 / 2
8.3%
+28
1 0
–   Capivara LK 0.09a01a 64-bit2308+25
−25		(+27)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
5.1%
−262
0 0 0 =
–   Waxman 20112305+26
−26		(+24)12.5 − 17.5
(+9−14=7)
41.7%
12.5 / 30
8.0%
−31
0 1 0 = 0 0 1 = 0 0 1 0 0 0 1 = 1 1 0 = 0 = = 0 1 1 0 1 = 0
–   Anechka 0.082302+19
−18		(+21)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
7.1%
−136
0 =
–   Ant 2006-F2302+19
−19		(+21)3 − 1
(+3−1=0)		75.0%
3.0 / 4
7.3%
+248
1 0 1 1
–   RubiChess 0.7 64-bit2302+23
−23		(+21)2 − 2
(+1−1=2)		50.0%
2.0 / 4
9.2%
+10
1 = 0 =
–   Joker 1.1.142302+19
−19		(+21)0 − 1
(+0−1=0)		0.0%
0.0 / 1
7.4%
−INF
0
–   Popochin 3.22297+17
−18		(+16)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
13.5%
−126
0 =
–   Sungorus 1.4 64-bit2297+18
−18		(+16)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
13.0%
−66
0 1 = 0
–   Mediocre 0.52294+23
−23		(+13)20 − 18
(+17−15=6)
52.6%
20.0 / 38
20.1%
+28
1 1 1 = = 0 1 = 1 0 0 0 0 = 0 0 0 0 1 1 0 1 0 = 1 0 = 1 1 1 1 1 1 1 0 0 1 0
–   Dumb 1.3 64-bit2293+21
−21		(+12)16 − 26
(+11−21=10)
38.1%
16.0 / 42
21.4%
−74
0 = 0 = 0 1 0 1 0 1 0 0 0 = 0 1 0 = 1 1 = 1 0 = = = = 0 0 1 0 0 1 = 0 0 0 1 0 1 0 0
–   Fischerle 0.9.65 64-bit2290+29
−29		(+9)0 − 1
(+0−1=0)		0.0%
0.0 / 1
31.9%
−INF
0
–   Matilde 2008 64-bit2290+21
−21		(+9)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
28.5%
+39
=
–   FireFly 2.7.0 64-bit2288+17
−17		(+7)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
32.4%
+66
0 0 1 1 = 1
–   AliChess 4.252283+19
−19		(+2)5 − 5
(+4−4=2)		50.0%
5.0 / 10
44.2%
+2
= 1 0 0 1 0 1 0 1 =
–   Gibbon 2.57a 64-bit2273+23
−23		(−8)15.5 − 18.5
(+10−13=11)
45.6%
15.5 / 34
70.3%
−42
1 0 = 0 0 = = 1 1 0 0 1 0 0 = 1 = = 0 = 0 = = = 0 0 1 = 0 0 1 1 1 1
–   Ayito 0.2.9942268+20
−20		(−13)2 − 0
(+2−0=0)		100.0%
2.0 / 2
81.9%
+INF
1 1
–   Tigran 2.3 64-bit2262+34
−34		(−19)8.5 − 5.5
(+5−2=7)		60.7%
8.5 / 14
83.4%
+62
= 0 = 1 1 1 0 1 = = = = = 1
–   RattateChess 1.0 Nosferatu2253+19
−19		(−28)1 − 1
(+1−1=0)		50.0%
1.0 / 2
97.7%
−28
0 1
–   Exacto 0.e 64-bit2252+18
−18		(−29)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
98.3%
−171
= 0
–   Beowulf 2.4a 64-bit2250+18
−18		(−31)3 − 1
(+2−0=2)		75.0%
3.0 / 4
98.8%
+111
= 1 = 1
–   MadChess 1.4 64-bit2249+21
−21		(−32)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
98.5%
+125
= 1
–   Jazz 501 64-bit2249+31
−31		(−32)4.5 − 1.5
(+4−1=1)		75.0%
4.5 / 6
95.7%
+162
1 1 0 1 1 =
–   Mango Paola Ajedrez 4.12246+19
−19		(−35)8 − 12
(+5−9=6)		40.0%
8.0 / 20
99.5%
−105
0 = = = 1 0 = 1 0 1 0 0 1 0 = 0 = 0 0 1
–   Absolute Zero 2.4.0.0 64-bit2243+23
−23		(−38)6 − 4
(+4−2=4)		60.0%
6.0 / 10
99.3%
+25
1 0 1 = = = 1 0 = 1
–   Atak 6.82237+16
−16		(−44)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   FireFly 2.6.0 64-bit2234+33
−33		(−47)9.5 − 6.5
(+8−5=3)		59.4%
9.5 / 16
99.3%
+23
0 0 1 1 1 0 1 1 = 1 1 0 0 = 1 =
–   Dolphin 1.0 64-bit2231+18
−18		(−50)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−132
0 0 1 =
–   Vajolet 1.62.12223+34
−34		(−58)11 − 5
(+9−3=4)		68.8%
11.0 / 16
99.9%
+81
1 1 1 1 1 = = 1 0 1 1 = 0 1 = 0
–   Robocide 20170718 64-bit2221+17
−17		(−60)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   CT800 1.12 64-bit2217+22
−22		(−64)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   MadChess 1.3 64-bit2215+34
−34		(−66)10 − 2
(+9−1=2)		83.3%
10.0 / 12
100.0%
+204
1 1 1 1 = 0 1 = 1 1 1 1
–   ChessKISS 1.7c 64-bit2215+19
−19		(−66)7 − 3
(+5−1=4)		70.0%
7.0 / 10
100.0%
+66
= 1 = 1 = 1 1 0 1 =
–   Adam 3.32211+19
−19		(−70)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−212
0 =
–   ChessKISS 1.7 64-bit2210+20
−20		(−71)16.5 − 11.5
(+12−7=9)		58.9%
16.5 / 28
100.0%
−11
= 1 0 = = = 0 1 0 1 = = 0 1 0 0 1 1 1 1 1 0 1 1 1 = = =
–   FireFly 2.5.13 64-bit2209+34
−34		(−72)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
100.0%
−108
= = 0 0 1 = 0 1
–   Carballo 0.82196+22
−22		(−85)7.5 − 6.5
(+5−4=5)		53.6%
7.5 / 14
100.0%
−63
1 0 0 0 0 = 1 = = 1 1 = = 1
–   Zevra 1.8.2 r612 64-bit2189+28
−28		(−92)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−151
= = 0 =
–   EXchess 5.04b 64-bit2188+29
−29		(−93)1 − 3
(+0−2=2)		25.0%
1.0 / 4
100.0%
−211
0 0 = =
–   Shallow 1.0 64-bit2186+32
−32		(−95)9.5 − 6.5
(+6−3=7)		59.4%
9.5 / 16
100.0%
−35
1 = = 0 0 = 1 = 0 1 = 1 1 1 = =
–   Fischerle 0.9.30b 64-bit2185+29
−29		(−96)7 − 5
(+5−3=4)		58.3%
7.0 / 12
100.0%
−40
1 0 = 1 1 = 1 1 = = 0 0
–   Clever Girl r185 64-bit2171+22
−22		(−110)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+179
1 1 = 1
–   ProChess 1.02AD2164+19
−19		(−117)12.5 − 5.5
(+12−5=1)		69.4%
12.5 / 18
100.0%
+49
= 1 1 1 1 1 1 1 1 1 1 1 0 0 1 0 0 0
–   FoxSEE 3.3.4 64-bit2149+32
−32		(−132)7.5 − 4.5
(+5−2=5)		62.5%
7.5 / 12
100.0%
−53
= = 0 1 0 1 = 1 1 = = 1
–   K2 0.43f2140+33
−33		(−141)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−141
0 1
–   MadChess 1.2 64-bit2113+26
−26		(−168)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+58
1 0 1 1
–   Armageddon 2.3082103+25
−24		(−178)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Matant 5.042067+22
−22		(−214)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Arabian Knight 1.55 64-bit2027+25
−25		(−254)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Cupcake 1.1a 64-bit2025+22
−22		(−256)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Oberon 0.042001+24
−24		(−280)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Soldat III 0.172 32-bit1949+32
−33		(−332)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Dabbaba 7.491908+12
−12		(−373)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Gogobello 0.10 64-bit1897+34
−35		(−384)12 − 2
(+11−1=2)		85.7%
12.0 / 14
100.0%
−85
1 1 1 1 1 1 1 1 0 1 = = 1 1
–   Robin 0.9831790+28
−28		(−491)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Enigma 1.1.41736+15
−15		(−545)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
890 games: 310 wins, 338 losses, 242 draws (27.2%), score: 48.4%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on January 16, 2021