<s>
Sierra	B-Application
Championship	I-Application
Boxing	I-Application
is	O
a	O
boxing	O
video	O
game	O
developed	O
by	O
Evryware	O
and	O
published	O
by	O
Sierra	O
On-Line	O
in	O
1983	B-Application
.	O
</s>
<s>
Versions	O
were	O
released	O
for	O
Apple	B-Device
II	I-Device
,	O
Commodore	O
64	O
,	O
IBM	B-Device
PC	I-Device
compatibles	O
(	O
as	O
a	O
self-booting	O
disk	O
)	O
,	O
and	O
Macintosh	B-Application
.	O
</s>
<s>
Sierra	B-Application
Championship	I-Application
Boxing	I-Application
was	O
the	O
first	O
PC	O
game	O
Evryware	O
developed	O
.	O
</s>
<s>
Evryware	O
's	O
contact	O
at	O
Microsoft	O
told	O
Ken	O
Williams	O
at	O
Sierra	O
On-Line	O
about	O
the	O
game	O
;	O
Sierra	O
offered	O
Evryware	O
a	O
contract	O
and	O
published	O
the	O
game	O
in	O
1983	B-Application
.	O
</s>
<s>
InfoWorld	O
called	O
Sierra	B-Application
Championship	I-Application
Boxing	I-Application
"	O
by	O
far	O
the	O
most	O
extensive	O
sports	O
game	O
created	O
for	O
a	O
microcomputer	O
"	O
and	O
suggested	O
that	O
the	O
game	O
"	O
could	O
usher	O
in	O
a	O
new	O
era	O
of	O
sports	O
simulation	O
games	O
"	O
that	O
use	O
"	O
the	O
power	O
and	O
memory	O
of	O
the	O
IBM	B-Device
PC	I-Device
and	O
PC	O
Jr	O
"	O
to	O
store	O
detailed	O
information	O
about	O
real	O
people	O
.	O
</s>
