CCRL 40/4
Downloads and Statistics
March 19, 2019
Testing summary:
Total: 1'950'423 games
played by 2'274 programs
26235 CPU days (X2 4600+)

White wins: 761'452 (39.0%)
Black wins: 615'130 (31.5%)
Draws: 573'841 (29.4%)
White score: 53.8%

Engine Details

Options
Show each game results
Butter 1.0 64-bit#441  (1853+23
−22
)Quote
Author: Akhil Velagapudi Link: Homepage
This is the only Butter version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Oberon 0.042015+20
−20
(+162)6.5 − 20.5
(+5−19=3)
24.1%
6.5 / 27
0.0%
−55
1 0 0 0 0 0 = 0 0 1 0 0 0 = = 0 0 1 0 1 0 0 0 0 0 1 0
–   Bubble 1.51983+15
−14
(+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
–   Tyrell 1.021895+22
−22
(+42)9.5 − 16.5
(+9−16=1)
36.5%
9.5 / 26
0.5%
−75
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 2.11891+18
−18
(+38)18.5 − 29.5
(+15−26=7)
38.5%
18.5 / 48
0.4%
−51
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 2.1.01881+13
−13
(+28)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
1.8%
+35
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-bit1862+27
−27
(+9)28 − 27
(+24−23=8)
50.9%
28.0 / 55
31.0%
+16
= 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-bit1842+18
−17
(−11)16.5 − 10.5
(+14−8=5)
61.1%
16.5 / 27
79.2%
+70
= 0 0 1 = 1 = 0 1 1 0 = 1 0 1 = 1 1 0 1 1 0 0 1 1 1 1
–   HeavyChess 0.13 beta1829+18
−18
(−24)13.5 − 8.5
(+10−5=7)
61.4%
13.5 / 22
95.4%
+47
1 = = 1 = 0 0 0 1 = = 1 1 1 = = 1 1 0 1 0 1
–   Skiull 0.3 64-bit1826+22
−22
(−27)11.5 − 9.5
(+8−6=7)
54.8%
11.5 / 21
95.8%
+6
= 1 0 = 0 0 = 1 0 1 1 = 1 = 1 = = 1 0 0 1
–   Ziggurat 0.18 64-bit1813+22
−21
(−40)10 − 12
(+8−10=4)
45.5%
10.0 / 22
99.5%
−75
1 0 1 1 1 1 0 = 0 1 0 = 0 0 0 0 = 1 = 0 0 1
–   Sayuri 2018.05.23 64-bit1806+22
−22
(−47)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
99.9%
−58
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-bit1796+16
−16
(−57)12.5 − 8.5
(+11−7=3)
59.5%
12.5 / 21
100.0%
+13
1 0 = = 1 1 1 1 0 1 = 0 0 0 1 0 1 1 1 1 0
–   Chenard 2015.08.14 64-bit1795+42
−42
(−58)14 − 11
(+13−10=2)
56.0%
14.0 / 25
99.2%
−5
1 1 1 = 0 1 0 0 1 1 = 1 1 0 0 0 0 1 1 0 0 0 1 1 1
–   MOBMAT 0.903d 64-bit1792+28
−28
(−61)15.5 − 13.5
(+15−13=1)
53.4%
15.5 / 29
100.0%
−31
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
–   Enigma 1.1.41788+12
−12
(−65)20 − 8
(+19−7=2)
71.4%
20.0 / 28
100.0%
+115
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-bit1788+22
−22
(−65)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
100.0%
−76
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
–   Bremboce 0.6.21786+18
−18
(−67)17.5 − 10.5
(+16−9=3)
62.5%
17.5 / 28
100.0%
+33
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
–   Embracer 1.121778+14
−14
(−75)9.5 − 13.5
(+7−11=5)
41.3%
9.5 / 23
100.0%
−144
= 0 1 = 0 0 = 0 1 1 = 0 1 1 0 0 = 0 1 0 0 1 0
–   Fauce 0.41c1773+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
–   Lodocase 2402081754+19
−19
(−99)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
−32
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-bit1747+30
−30
(−106)18.5 − 8.5
(+16−6=5)
68.5%
18.5 / 27
100.0%
+32
1 0 = 1 1 1 0 1 = 1 = 1 1 0 1 1 = 0 1 = 0 1 0 1 1 1 1
–   AdaChess 3.4 64-bit1728+32
−32
(−125)21 − 10
(+20−9=2)
67.7%
21.0 / 31
100.0%
+25
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
–   Zzzzzz 3.511722+17
−17
(−131)17.5 − 6.5
(+16−5=3)
72.9%
17.5 / 24
100.0%
+50
1 1 1 1 1 1 1 0 1 1 1 1 0 = 1 1 1 1 0 0 = 0 1 =
–   Ceibo 0.3.65 64-bit1714+25
−25
(−139)23 − 5
(+19−1=8)
82.1%
23.0 / 28
100.0%
+88
= 1 1 1 = 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 = = 1 0 1 = = 1
–   Tristram 4.161704+25
−25
(−149)22.5 − 7.5
(+21−6=3)
75.0%
22.5 / 30
100.0%
+60
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-bit1662+22
−22
(−191)33 − 7
(+30−4=6)
82.5%
33.0 / 40
100.0%
+75
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-bit1610+20
−20
(−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

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on March 19, 2019