CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Engine Details

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Butter 1.0 64-bit#463‑464  (1862+19
−19
)Quote
Author: Akhil Velagapudi Link: Homepage
This is the only Butter version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Axolotl 1.5 64-bit2138+22
−22
(+276)0.5 − 7.5
(+0−7=1)
6.3%
0.5 / 8
0.0%
−133
0 0 0 0 0 0 = 0
–   Oberon 0.042013+19
−19
(+151)6.5 − 20.5
(+5−19=3)
24.1%
6.5 / 27
0.0%
−67
1 0 0 0 0 0 = 0 0 1 0 0 0 = = 0 0 1 0 1 0 0 0 0 0 1 0
–   Schola 1.1.0 64-bit2012+21
−21
(+150)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
+8
0 1 0 = 0 1 0 = = 0 1 0 0 0 0 0 1 1 0 0 = 0 1 = 0 1 0 0 0 0 = 0
–   Goldfish 1.13.0 64-bit1992+19
−19
(+130)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
+31
0 0 0 1 1 0 1 0 0 0 1 1 = 0 = = 0 0 = = 0 0 1 = = 1 0 0 = = 0 0
–   Bubble 1.51987+14
−14
(+125)7 − 22
(+5−20=4)
24.1%
7.0 / 29
0.0%
−83
0 0 1 0 0 = 1 0 0 0 0 1 0 0 0 = = 0 0 = 1 0 0 0 0 0 0 1 0
–   Jacksprat 1.0 64-bit1966+20
−20
(+104)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−91
0 0 0 0 0 0 0 0 0 = 1 = 0 0 0 1 = 0 0 0 1 1 0 0 1 1 0 1 0 0 0 0
–   Sapeli 1.64 64-bit1942+37
−36
(+80)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−67
1 1 = 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 = 1 = 0 0 1 0 0 0 = 0
–   BeLL 0.0.41 64-bit1938+19
−19
(+76)18 − 14
(+13−9=10)
56.3%
18.0 / 32
0.0%
+119
= 1 1 0 0 0 0 1 1 = = 0 = = 1 1 0 = 1 0 1 0 = 1 1 1 = 1 = = 0 1
–   Fairy-Max 5.0b31917+19
−19
(+55)21 − 19
(+18−16=6)
52.5%
21.0 / 40
0.0%
+75
1 1 0 1 = 1 0 1 0 1 0 0 0 1 0 0 0 1 1 1 0 1 0 = = 1 = 1 = 0 1 = 1 0 1 1 0 1 0 0
–   Tony's Chess 0.031914+19
−19
(+52)17 − 15
(+15−13=4)
53.1%
17.0 / 32
0.0%
+74
1 0 0 1 0 1 0 1 1 1 0 1 0 0 1 1 1 0 0 0 1 0 0 = 1 = 1 1 = = 0 1
–   Fairy-Max 5.0b1891+22
−22
(+29)19 − 21
(+15−17=8)
47.5%
19.0 / 40
2.3%
+10
1 0 = 0 0 1 0 0 = = 1 0 1 = 0 0 1 0 0 1 = 0 1 1 1 0 1 1 0 1 0 1 1 0 = = 0 = 0 1
–   Tyrell 1.021887+21
−21
(+25)9.5 − 16.5
(+9−16=1)
36.5%
9.5 / 26
4.4%
−92
0 0 1 0 1 0 0 1 0 = 1 0 0 1 1 1 0 0 1 1 0 0 0 0 0 0
–   MrChess 2.11884+17
−17
(+22)18.5 − 29.5
(+15−26=7)
38.5%
18.5 / 48
4.5%
−68
0 0 1 1 0 1 0 = = 1 0 0 0 0 1 1 0 0 = 0 0 1 0 1 = 0 1 0 1 0 1 = 1 0 0 0 0 1 0 0 0 1 0 0 0 = = 1
–   Purple Haze 2.1.01884+12
−12
(+22)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
2.9%
+29
1 0 1 1 1 0 = 0 0 1 0 1 1 0 1 1 = 0 = 1 = 1 0 = 0 0
–   Presbyter 1.3.0 64-bit1866+23
−23
(+4)28 − 27
(+24−23=8)
50.9%
28.0 / 55
40.3%
+11
= 1 1 0 0 1 1 0 0 1 1 = 1 1 = 1 1 1 = 0 1 1 1 = 0 0 1 1 1 1 1 1 = 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 = 0 =
–   Deepov 0.4.1 64-bit1850+16
−16
(−12)16.5 − 10.5
(+14−8=5)
61.1%
16.5 / 27
84.2%
+69
= 0 0 1 = 1 = 0 1 1 0 = 1 0 1 = 1 1 0 1 1 0 0 1 1 1 1
–   Sayuri 2018.03.06 64-bit1838+20
−20
(−24)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
95.9%
−14
1 1 0 = 0 1 1 0 1 = 0 0 0 0 = 1 0 = 1 0 1 1 0 1 1 0 1 1 1 = 0 0
–   Skiull 0.3 64-bit1836+19
−19
(−26)11.5 − 9.5
(+8−6=7)
54.8%
11.5 / 21
97.2%
+7
= 1 0 = 0 0 = 1 0 1 1 = 1 = 1 = = 1 0 0 1
–   HeavyChess 0.13 beta1833+18
−17
(−29)13.5 − 8.5
(+10−5=7)
61.4%
13.5 / 22
98.7%
+42
1 = = 1 = 0 0 0 1 = = 1 1 1 = = 1 1 0 1 0 1
–   Ziggurat 0.18 64-bit1819+22
−21
(−43)10 − 12
(+8−10=4)
45.5%
10.0 / 22
99.9%
−79
1 0 1 1 1 1 0 = 0 1 0 = 0 0 0 0 = 1 = 0 0 1
–   Chenard 2015.08.14 64-bit1815+38
−38
(−47)14 − 11
(+13−10=2)
56.0%
14.0 / 25
98.6%
+5
1 1 1 = 0 1 0 0 1 1 = 1 1 0 0 0 0 1 1 0 0 0 1 1 1
–   Sayuri 2018.05.23 64-bit1804+20
−20
(−58)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
100.0%
−69
1 1 1 0 0 1 0 1 1 1 1 0 0 1 0 1 0 1 0 0 = 1 0 0 = 0 1 0 0 1 0 =
–   Pigeon 1.5.1 64-bit1800+15
−15
(−62)12.5 − 8.5
(+11−7=3)
59.5%
12.5 / 21
100.0%
+8
1 0 = = 1 1 1 1 0 1 = 0 0 0 1 0 1 1 1 1 0
–   Bremboce 0.6.21792+18
−18
(−70)17.5 − 10.5
(+16−9=3)
62.5%
17.5 / 28
100.0%
+30
1 0 = 1 0 1 1 = 1 1 1 1 1 1 0 1 0 1 1 0 0 1 0 0 1 = 0 1
–   Enigma 1.1.41791+12
−11
(−71)20 − 8
(+19−7=2)
71.4%
20.0 / 28
100.0%
+110
1 1 1 1 1 0 1 = 0 1 1 1 1 0 0 0 1 1 0 1 1 1 1 1 0 1 = 1
–   AdaChess 3.1 64-bit1791+22
−22
(−71)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
100.0%
−82
1 0 1 0 0 0 1 0 1 0 1 1 = 1 0 0 0 = = 0 0 0 0 1 1 0 1 0 1 1 1 1
–   MOBMAT 0.903d 64-bit1790+26
−26
(−72)15.5 − 13.5
(+15−13=1)
53.4%
15.5 / 29
100.0%
−42
1 1 0 1 0 1 1 1 1 0 1 1 0 = 1 0 1 1 0 0 0 1 0 1 1 0 0 0 0
–   Embracer 1.121785+14
−14
(−77)9.5 − 13.5
(+7−11=5)
41.3%
9.5 / 23
100.0%
−146
= 0 1 = 0 0 = 0 1 1 = 0 1 1 0 0 = 0 1 0 0 1 0
–   Fauce 0.41c1782+15
−15
(−80)15 − 6
(+14−5=2)
71.4%
15.0 / 21
100.0%
+92
1 1 0 1 = = 1 0 0 1 1 0 1 1 1 1 1 0 1 1 1
–   Sapeli 1.0 64-bit1780+19
−19
(−82)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
100.0%
−67
= 1 = 1 0 1 1 1 = 1 0 0 0 1 0 0 0 1 0 1 = 1 1 0 0 1 0 1 0 = 0 1
–   Lodocase 2402081761+19
−19
(−101)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−34
0 1 1 = 1 1 1 = 0 1 = 1 1 = = 0 0 1 1 = 1 0 0 0 1 0 1 1 0
–   Sayuri 2017.16.12 64-bit1751+30
−30
(−111)18.5 − 8.5
(+16−6=5)
68.5%
18.5 / 27
100.0%
+27
1 0 = 1 1 1 0 1 = 1 = 1 1 0 1 1 = 0 1 = 0 1 0 1 1 1 1
–   Zzzzzz 3.511730+17
−17
(−132)17.5 − 6.5
(+16−5=3)
72.9%
17.5 / 24
100.0%
+49
1 1 1 1 1 1 1 0 1 1 1 1 0 = 1 1 1 1 0 0 = 0 1 =
–   AdaChess 3.4 64-bit1727+29
−30
(−135)21 − 10
(+20−9=2)
67.7%
21.0 / 31
100.0%
+15
0 1 0 1 1 1 1 1 1 1 0 0 1 1 1 1 0 = 0 1 0 1 1 0 = 1 0 1 1 1 1
–   Ceibo 0.3.65 64-bit1724+25
−25
(−138)23 − 5
(+19−1=8)
82.1%
23.0 / 28
100.0%
+90
= 1 1 1 = 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 = = 1 0 1 = = 1
–   Tristram 4.161712+24
−24
(−150)22.5 − 7.5
(+21−6=3)
75.0%
22.5 / 30
100.0%
+59
1 1 1 1 0 = 0 1 = 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 = 1 0
–   Tom Thumb 0.2 64-bit1675+19
−19
(−187)33 − 7
(+30−4=6)
82.5%
33.0 / 40
100.0%
+79
1 1 = 1 0 1 1 1 = 1 1 1 = 1 1 1 1 1 0 1 1 1 1 0 1 1 0 1 1 1 = 1 1 1 1 = 1 = 1 1
–   Tom Thumb 0.1 64-bit1619+19
−19
(−243)34.5 − 11.5
(+33−10=3)
75.0%
34.5 / 46
100.0%
−28
0 1 1 1 1 1 1 1 = 0 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 = 1 1 1 = 1 1 0 1 0 0 1 1 0 1 1 0 0 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019