<s>
Leela	B-Application
is	O
a	O
computer	B-Application
Go	I-Application
software	O
developed	O
by	O
Belgian	O
programmer	O
Gian-Carlo	O
Pascutto	O
,	O
the	O
author	O
of	O
chess	O
engine	O
Sjeng	B-Application
.	O
</s>
<s>
The	O
program	O
was	O
named	O
"	O
Leela	B-Application
"	O
because	O
the	O
author	O
wanted	O
a	O
pleasant	O
female	O
name	O
that	O
contrasted	O
with	O
the	O
prevailing	O
style	O
at	O
the	O
time	O
,	O
typified	O
by	O
names	O
like	O
"	O
Shredder	O
"	O
,	O
"	O
Tiger	O
"	O
,	O
and	O
"	O
Rebel	O
"	O
.	O
</s>
<s>
A	O
version	O
featuring	O
deep	B-Algorithm
learning	I-Algorithm
technology	O
was	O
released	O
for	O
free	O
in	O
February	O
2017	O
.	O
</s>
<s>
Leela	B-Application
should	O
not	O
be	O
confused	O
with	O
Leela	B-Application
Zero	I-Application
,	O
a	O
stronger	O
program	O
developed	O
by	O
Pascutto	O
and	O
collaborators	O
beginning	O
in	O
late	O
2017	O
.	O
</s>
