<s>
HiTech	B-General_Concept
is	O
a	O
chess	B-Application
machine	I-Application
built	O
at	O
Carnegie	O
Mellon	O
University	O
under	O
the	O
direction	O
of	O
World	O
Correspondence	O
Chess	B-Application
Champion	O
Dr.	O
Hans	O
J	O
.	O
Berliner	O
,	O
by	O
Berliner	O
,	O
Carl	O
Ebeling	O
,	O
Murray	O
Campbell	O
,	O
and	O
Gordon	O
Goetsch	O
.	O
</s>
<s>
HiTech	B-General_Concept
was	O
the	O
first	O
computer	B-Application
chess	I-Application
system	O
to	O
reach	O
the	O
2400	O
(	O
senior	O
master	O
)	O
USCF	O
rating	O
level	O
.	O
</s>
<s>
It	O
won	O
the	O
Pennsylvania	O
State	O
Chess	B-Application
Championship	O
twice	O
.	O
</s>
<s>
HiTech	B-General_Concept
won	O
the	O
1985	O
and	O
1989	O
editions	O
of	O
the	O
North	O
American	O
Computer	B-Application
Chess	I-Application
Championship	O
.	O
</s>
<s>
In	O
1988	O
HiTech	B-General_Concept
defeated	O
GM	O
Arnold	O
Denker	O
3½-½	O
in	O
a	O
match	O
(	O
though	O
Denker	O
was	O
at	O
the	O
time	O
well	O
past	O
his	O
best	O
,	O
with	O
an	O
Elo	O
rating	O
of	O
2300	O
)	O
.	O
</s>
<s>
HiTech	B-General_Concept
was	O
one	O
of	O
two	O
competing	O
chess	B-Application
projects	O
at	O
Carnegie	O
Mellon	O
;	O
the	O
one	O
that	O
would	O
succeed	O
in	O
the	O
quest	O
of	O
beating	O
the	O
World	O
Chess	B-Application
Champion	O
was	O
its	O
rival	O
ChipTest	B-General_Concept
(	O
the	O
predecessor	O
of	O
IBM	O
's	O
Deep	B-General_Concept
Thought	I-General_Concept
and	O
Deep	B-General_Concept
Blue	I-General_Concept
)	O
.	O
</s>
