<s>
Socrates	B-Application
II	I-Application
is	O
a	O
chess	B-Application
program	I-Application
that	O
,	O
in	O
1993	O
,	O
won	O
the	O
23rd	O
North	O
American	O
Computer	O
Chess	O
Championship	O
.	O
</s>
<s>
It	O
ran	O
on	O
an	O
IBM	B-Device
PC	I-Device
.	O
</s>
<s>
This	O
was	O
the	O
first	O
and	O
only	O
time	O
that	O
a	O
stock	O
microcomputer	B-Architecture
won	O
this	O
event	O
,	O
finishing	O
ahead	O
of	O
past	O
winners	O
Cray	B-General_Concept
Blitz	I-General_Concept
and	O
HiTech	B-General_Concept
.	O
</s>
<s>
The	O
authors	O
,	O
Don	O
Dailey	O
and	O
Larry	O
Kaufman	O
,	O
renewed	O
their	O
collaboration	O
twenty	O
years	O
later	O
to	O
create	O
the	O
Komodo	B-Application
chess	I-Application
engine	O
.	O
</s>
