CCRL Blitz
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 2'526'227 games
played by 3'011 programs

White wins: 970'445 (38.4%)
Black wins: 776'698 (30.7%)
Draws: 779'084 (30.8%)
White score: 53.8%

Engine Details

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Butter 1.0 64-bit#497‑498  (1857+16
−16
)Quote
Author: Akhil Velagapudi Link: Homepage
This is the only Butter version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Axolotl 1.5 64-bit2138+22
−22
(+281)0.5 − 7.5
(+0−7=1)
6.3%
0.5 / 8
0.0%
−128
0 0 0 0 0 0 = 0
–   Brainless 20081212 64-bit2134+20
−20
(+277)0 − 5
(+0−5=0)
0.0%
0.0 / 5
0.0%
−INF
0 0 0 0 0
–   Oberon 0.042010+19
−19
(+153)6.5 − 20.5
(+5−19=3)
24.1%
6.5 / 27
0.0%
−65
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-bit2009+21
−21
(+152)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
+10
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
–   Bubble 1.51987+14
−13
(+130)7 − 22
(+5−20=4)
24.1%
7.0 / 29
0.0%
−78
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
–   Goldfish 1.13.0 64-bit1982+15
−15
(+125)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
+26
0 0 0 1 1 0 1 0 0 0 1 1 = 0 = = 0 0 = = 0 0 1 = = 1 0 0 = = 0 0
–   Stash 12.0 64-bit1974+22
−22
(+117)8 − 20
(+8−20=0)
28.6%
8.0 / 28
0.0%
−76
0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 1 0 1 1 0 0
–   Jacksprat 1.0 64-bit1955+17
−17
(+98)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−97
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-bit1939+21
−21
(+82)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−66
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-bit1935+17
−17
(+78)18 − 14
(+13−9=10)
56.3%
18.0 / 32
0.0%
+121
= 1 1 0 0 0 0 1 1 = = 0 = = 1 1 0 = 1 0 1 0 = 1 1 1 = 1 = = 0 1
–   Zahak 0.3.0 64-bit1923+21
−21
(+66)11 − 21
(+10−20=2)
34.4%
11.0 / 32
0.0%
−62
= 0 0 1 1 1 0 0 0 1 = 1 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 1 0 0 0 0
–   Fairy-Max 5.0b31917+19
−19
(+60)21 − 19
(+18−16=6)
52.5%
21.0 / 40
0.0%
+80
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 0.031906+17
−17
(+49)17 − 15
(+15−13=4)
53.1%
17.0 / 32
0.0%
+71
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
–   Skiull 0.5 64-bit1904+19
−19
(+47)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+10
1 1 1 1 1 = 0 0 1 0 0 0 = 0 1 = 0 = 0 0 1 0 1 0 1 0 1 = 0 = = 0
–   Tyrell 1.021904+17
−17
(+47)9.5 − 16.5
(+9−16=1)
36.5%
9.5 / 26
0.0%
−71
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
–   Fairy-Max 5.0b1892+22
−22
(+35)19 − 21
(+15−17=8)
47.5%
19.0 / 40
0.6%
+16
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
–   MrChess 2.11888+16
−16
(+31)18.5 − 29.5
(+15−26=7)
38.5%
18.5 / 48
0.4%
−59
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
–   MinimalChess 0.4.1 64-bit1884+21
−21
(+27)19 − 12
(+18−11=2)
61.3%
19.0 / 31
2.1%
+117
0 0 1 1 = 1 1 1 1 0 1 0 1 1 1 0 0 0 1 0 0 1 = 0 1 1 1 1 1 0 1
–   Presbyter 1.3.0 64-bit1881+19
−19
(+24)28 − 27
(+24−23=8)
50.9%
28.0 / 55
3.0%
+31
= 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 =
–   Purple Haze 2.1.01878+12
−12
(+21)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
2.0%
+28
1 0 1 1 1 0 = 0 0 1 0 1 1 0 1 1 = 0 = 1 = 1 0 = 0 0
–   Tinman 0.3.0 64-bit1866+19
−19
(+9)15 − 17
(+12−14=6)
46.9%
15.0 / 32
25.6%
−14
0 1 = 0 0 1 = 0 1 0 = = 0 1 0 = 1 1 0 0 0 0 1 0 1 0 0 1 1 1 1 =
–   Deepov 0.4.1 64-bit1854+14
−14
(−3)16.5 − 10.5
(+14−8=5)
61.1%
16.5 / 27
61.1%
+78
= 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-bit1839+20
−20
(−18)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
92.0%
−8
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
–   HeavyChess 0.13 beta1838+17
−17
(−19)13.5 − 8.5
(+10−5=7)
61.4%
13.5 / 22
95.1%
+52
1 = = 1 = 0 0 0 1 = = 1 1 1 = = 1 1 0 1 0 1
–   Halogen 2.7.3 64-bit1833+20
−20
(−24)13 − 18
(+11−16=4)
41.9%
13.0 / 31
96.4%
−85
0 0 1 1 1 0 0 1 0 1 0 = 1 0 1 0 0 1 0 = 1 0 0 0 1 = 0 0 = 0 1
–   Skiull 0.3 64-bit1831+18
−18
(−26)11.5 − 9.5
(+8−6=7)
54.8%
11.5 / 21
98.5%
+7
= 1 0 = 0 0 = 1 0 1 1 = 1 = 1 = = 1 0 0 1
–   Loki 1.2.0 64-bit1821+19
−19
(−36)26.5 − 16.5
(+23−13=7)
61.6%
26.5 / 43
99.8%
+53
0 0 1 1 1 0 = = 1 = 1 0 = 1 1 1 1 1 0 1 1 0 1 1 0 0 1 0 1 1 0 = = 1 1 1 1 0 = 0 1 0 1
–   Rustic Alpha 2 64-bit1816+20
−20
(−41)18.5 − 13.5
(+18−13=1)
57.8%
18.5 / 32
99.9%
+26
0 1 1 1 0 0 = 0 1 0 1 0 1 1 0 1 1 0 0 0 0 1 0 1 1 1 1 1 1 1 0 1
–   Sayuri 2018.05.23 64-bit1814+17
−17
(−43)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
100.0%
−54
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 =
–   NoonianChess 3.2.06P21807+19
−19
(−50)15 − 17
(+14−16=2)
46.9%
15.0 / 32
100.0%
−77
1 1 0 0 0 1 1 1 0 0 1 1 0 1 0 0 1 0 0 = 1 0 0 1 1 0 1 0 0 = 1 0
–   Ziggurat 0.18 64-bit1804+19
−19
(−53)10 − 12
(+8−10=4)
45.5%
10.0 / 22
100.0%
−89
1 0 1 1 1 1 0 = 0 1 0 = 0 0 0 0 = 1 = 0 0 1
–   Eubos 2.2 64-bit1801+20
−20
(−56)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
100.0%
−63
1 0 0 0 0 0 = 0 = 0 1 1 1 1 = 1 1 0 1 1 = 0 = 0 1 0 0 0 = 1 1 =
–   Pigeon 1.5.1 64-bit1798+14
−14
(−59)12.5 − 8.5
(+11−7=3)
59.5%
12.5 / 21
100.0%
+11
1 0 = = 1 1 1 1 0 1 = 0 0 0 1 0 1 1 1 1 0
–   Chareth 2020-06-28 64-bit1794+19
−19
(−63)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
+23
= 0 0 1 1 0 0 0 1 = 1 0 = 1 1 1 1 1 = 1 1 1 0 1 = 1 1 1 1 0 0 0
–   Enigma 1.1.41792+11
−11
(−65)20 − 8
(+19−7=2)
71.4%
20.0 / 28
100.0%
+116
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-bit1789+22
−22
(−68)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
100.0%
−79
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
–   Chenard 2015.08.14 64-bit1786+29
−29
(−71)14 − 11
(+13−10=2)
56.0%
14.0 / 25
100.0%
−18
1 1 1 = 0 1 0 0 1 1 = 1 1 0 0 0 0 1 1 0 0 0 1 1 1
–   Embracer 1.121785+14
−13
(−72)9.5 − 13.5
(+7−11=5)
41.3%
9.5 / 23
100.0%
−141
= 0 1 = 0 0 = 0 1 1 = 0 1 1 0 0 = 0 1 0 0 1 0
–   MOBMAT 0.903d 64-bit1784+26
−26
(−73)15.5 − 13.5
(+15−13=1)
53.4%
15.5 / 29
100.0%
−43
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
–   FAUCE 0.41c1782+15
−15
(−75)15 − 6
(+14−5=2)
71.4%
15.0 / 21
100.0%
+97
1 1 0 1 = = 1 0 0 1 1 0 1 1 1 1 1 0 1 1 1
–   Bremboce 0.6.21780+18
−17
(−77)17.5 − 10.5
(+16−9=3)
62.5%
17.5 / 28
100.0%
+23
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
–   Sapeli 1.0 64-bit1778+19
−19
(−79)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
100.0%
−64
= 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 2402081750+17
−17
(−107)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−40
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-bit1750+30
−30
(−107)18.5 − 8.5
(+16−6=5)
68.5%
18.5 / 27
100.0%
+31
1 0 = 1 1 1 0 1 = 1 = 1 1 0 1 1 = 0 1 = 0 1 0 1 1 1 1
–   Zzzzzz 3.511732+17
−17
(−125)17.5 − 6.5
(+16−5=3)
72.9%
17.5 / 24
100.0%
+56
1 1 1 1 1 1 1 0 1 1 1 1 0 = 1 1 1 1 0 0 = 0 1 =
–   Tristram 4.161728+19
−19
(−129)22.5 − 7.5
(+21−6=3)
75.0%
22.5 / 30
100.0%
+81
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
–   AdaChess 3.4 64-bit1727+29
−29
(−130)21 − 10
(+20−9=2)
67.7%
21.0 / 31
100.0%
+20
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-bit1722+25
−25
(−135)23 − 5
(+19−1=8)
82.1%
23.0 / 28
100.0%
+93
= 1 1 1 = 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 = = 1 0 1 = = 1
–   Tom Thumb 0.2 64-bit1673+18
−18
(−184)33 − 7
(+30−4=6)
82.5%
33.0 / 40
100.0%
+82
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-bit1615+20
−20
(−242)34.5 − 11.5
(+33−10=3)
75.0%
34.5 / 46
100.0%
−27
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 May 15, 2021