CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Engine Details

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Butter 1.0 64-bit#460  (1864+19
−19
)Quote
Author: Akhil Velagapudi Link: Homepage
This is the only Butter version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Axolotl 1.5 64-bit2138+22
−22
(+274)0.5 − 7.5
(+0−7=1)
6.3%
0.5 / 8
0.0%
−135
–   Oberon 0.042013+19
−19
(+149)6.5 − 20.5
(+5−19=3)
24.1%
6.5 / 27
0.0%
−69
–   Schola 1.1.0 64-bit2012+21
−21
(+148)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
+6
–   Goldfish 1.13.0 64-bit1992+19
−19
(+128)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
+29
–   Bubble 1.51987+14
−14
(+123)7 − 22
(+5−20=4)
24.1%
7.0 / 29
0.0%
−85
–   Jacksprat 1.0 64-bit1966+20
−20
(+102)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−93
–   BeLL 0.0.41 64-bit1938+19
−19
(+74)18 − 14
(+13−9=10)
56.3%
18.0 / 32
0.0%
+117
–   Fairy-Max 5.0b31917+19
−19
(+53)21 − 19
(+18−16=6)
52.5%
21.0 / 40
0.0%
+73
–   Tony's Chess 0.031912+19
−19
(+48)17 − 15
(+15−13=4)
53.1%
17.0 / 32
0.0%
+70
–   Fairy-Max 5.0b1891+22
−22
(+27)19 − 21
(+15−17=8)
47.5%
19.0 / 40
3.1%
+8
–   Tyrell 1.021887+21
−21
(+23)9.5 − 16.5
(+9−16=1)
36.5%
9.5 / 26
5.8%
−94
–   MrChess 2.11884+17
−17
(+20)18.5 − 29.5
(+15−26=7)
38.5%
18.5 / 48
6.1%
−70
–   Purple Haze 2.1.01884+12
−12
(+20)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
4.3%
+27
–   Presbyter 1.3.0 64-bit1866+23
−23
(+2)28 − 27
(+24−23=8)
50.9%
28.0 / 55
45.0%
+9
–   Deepov 0.4.1 64-bit1849+16
−16
(−15)16.5 − 10.5
(+14−8=5)
61.1%
16.5 / 27
88.2%
+66
–   Sayuri 2018.03.06 64-bit1838+20
−20
(−26)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
96.8%
−16
–   Skiull 0.3 64-bit1834+19
−19
(−30)11.5 − 9.5
(+8−6=7)
54.8%
11.5 / 21
98.7%
+3
–   HeavyChess 0.13 beta1833+18
−17
(−31)13.5 − 8.5
(+10−5=7)
61.4%
13.5 / 22
99.0%
+40
–   Ziggurat 0.18 64-bit1818+22
−21
(−46)10 − 12
(+8−10=4)
45.5%
10.0 / 22
99.9%
−82
–   Chenard 2015.08.14 64-bit1815+38
−38
(−49)14 − 11
(+13−10=2)
56.0%
14.0 / 25
98.8%
+3
–   Sayuri 2018.05.23 64-bit1805+21
−21
(−59)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
100.0%
−70
–   Pigeon 1.5.1 64-bit1800+15
−15
(−64)12.5 − 8.5
(+11−7=3)
59.5%
12.5 / 21
100.0%
+6
–   Enigma 1.1.41792+12
−12
(−72)20 − 8
(+19−7=2)
71.4%
20.0 / 28
100.0%
+109
–   Bremboce 0.6.21791+18
−18
(−73)17.5 − 10.5
(+16−9=3)
62.5%
17.5 / 28
100.0%
+27
–   AdaChess 3.1 64-bit1791+22
−22
(−73)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
100.0%
−84
–   MOBMAT 0.903d 64-bit1789+26
−26
(−75)15.5 − 13.5
(+15−13=1)
53.4%
15.5 / 29
100.0%
−45
–   Embracer 1.121785+14
−14
(−79)9.5 − 13.5
(+7−11=5)
41.3%
9.5 / 23
100.0%
−148
–   Fauce 0.41c1781+15
−15
(−83)15 − 6
(+14−5=2)
71.4%
15.0 / 21
100.0%
+89
–   Sapeli 1.0 64-bit1780+19
−19
(−84)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
100.0%
−69
–   Lodocase 2402081760+19
−19
(−104)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−37
–   Sayuri 2017.16.12 64-bit1751+30
−30
(−113)18.5 − 8.5
(+16−6=5)
68.5%
18.5 / 27
100.0%
+25
–   Zzzzzz 3.511730+17
−17
(−134)17.5 − 6.5
(+16−5=3)
72.9%
17.5 / 24
100.0%
+47
–   AdaChess 3.4 64-bit1727+29
−30
(−137)21 − 10
(+20−9=2)
67.7%
21.0 / 31
100.0%
+13
–   Ceibo 0.3.65 64-bit1723+25
−25
(−141)23 − 5
(+19−1=8)
82.1%
23.0 / 28
100.0%
+87
–   Tristram 4.161710+25
−25
(−154)22.5 − 7.5
(+21−6=3)
75.0%
22.5 / 30
100.0%
+55
–   Tom Thumb 0.2 64-bit1675+20
−20
(−189)33 − 7
(+30−4=6)
82.5%
33.0 / 40
100.0%
+77
–   Tom Thumb 0.1 64-bit1619+19
−19
(−245)34.5 − 11.5
(+33−10=3)
75.0%
34.5 / 46
100.0%
−30

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2019