<s>
ChipTest	B-General_Concept
was	O
a	O
1985	O
chess	B-Application
playing	O
computer	O
built	O
by	O
Feng-hsiung	O
Hsu	O
,	O
Thomas	O
Anantharaman	O
and	O
Murray	O
Campbell	O
at	O
Carnegie	O
Mellon	O
University	O
.	O
</s>
<s>
It	O
is	O
the	O
predecessor	O
of	O
Deep	B-General_Concept
Thought	I-General_Concept
which	O
in	O
turn	O
evolved	O
into	O
Deep	B-General_Concept
Blue	I-General_Concept
.	O
</s>
<s>
ChipTest	B-General_Concept
was	O
based	O
on	O
a	O
special	O
VLSI-technology	O
move	O
generator	O
chip	O
developed	O
by	O
Hsu	O
.	O
</s>
<s>
ChipTest	B-General_Concept
was	O
controlled	O
by	O
a	O
Sun-3/160	O
workstation	O
and	O
capable	O
of	O
searching	O
approximately	O
50,000	O
moves	O
per	O
second	O
.	O
</s>
<s>
Hsu	O
and	O
Anantharaman	O
entered	O
ChipTest	B-General_Concept
in	O
the	O
1986	O
North	O
American	O
Computer	B-Application
Chess	I-Application
Championship	O
,	O
and	O
it	O
was	O
only	O
partially	O
tested	O
when	O
the	O
tournament	O
began	O
.	O
</s>
<s>
In	O
August	O
1987	O
ChipTest	B-General_Concept
was	O
overhauled	O
and	O
renamed	O
ChipTest-M	O
,	O
M	O
standing	O
for	O
microcode	B-Device
.	O
</s>
<s>
The	O
new	O
version	O
had	O
eliminated	O
ChipTest	B-General_Concept
's	O
bugs	O
and	O
was	O
ten	O
times	O
faster	O
,	O
searching	O
500,000	O
moves	O
per	O
second	O
and	O
running	O
on	O
a	O
Sun-4	B-Device
workstation	O
.	O
</s>
<s>
ChipTest-M	O
won	O
the	O
North	O
American	O
Computer	B-Application
Chess	I-Application
Championship	O
in	O
1987	O
with	O
a	O
4	O
–	O
0	O
sweep	O
.	O
</s>
<s>
ChipTest	B-General_Concept
was	O
invited	O
to	O
play	O
in	O
the	O
1987	O
American	O
Open	O
,	O
but	O
the	O
team	O
did	O
not	O
enter	O
due	O
to	O
an	O
objection	O
by	O
the	O
HiTech	B-General_Concept
team	O
,	O
also	O
from	O
Carnegie	O
Mellon	O
University	O
.	O
</s>
<s>
HiTech	B-General_Concept
and	O
ChipTest	B-General_Concept
shared	O
some	O
code	O
,	O
and	O
Hitech	B-General_Concept
was	O
already	O
playing	O
in	O
the	O
tournament	O
.	O
</s>
<s>
Designing	O
and	O
implementing	O
ChipTest	B-General_Concept
revealed	O
many	O
possibilities	O
for	O
improvement	O
,	O
so	O
the	O
designers	O
started	O
on	O
a	O
new	O
machine	O
.	O
</s>
<s>
Deep	B-General_Concept
Thought	I-General_Concept
0.01	O
was	O
created	O
in	O
May	O
1988	O
and	O
the	O
version	O
0.02	O
in	O
November	O
the	O
same	O
year	O
.	O
</s>
<s>
This	O
new	O
version	O
had	O
two	O
customized	O
VLSI	O
chess	B-Application
processors	O
and	O
it	O
was	O
able	O
to	O
search	O
720,000	O
moves	O
per	O
second	O
.	O
</s>
<s>
With	O
the	O
"	O
0.02	O
"	O
dropped	O
from	O
its	O
name	O
,	O
Deep	B-General_Concept
Thought	I-General_Concept
won	O
the	O
World	O
Computer	B-Application
Chess	I-Application
Championship	O
with	O
a	O
perfect	O
5	O
–	O
0	O
score	O
in	O
1989	O
.	O
</s>
