<s>
SmarThink	B-Application
is	O
a	O
computer	B-Application
chess	I-Application
engine	O
written	O
by	O
Sergei	O
S	O
.	O
Markoff	O
of	O
Russia	O
.	O
</s>
<s>
This	O
engine	O
became	O
a	O
Russian	O
computer	B-Application
chess	I-Application
champion	O
in	O
2004	O
and	O
CIS	O
computer	B-Application
chess	I-Application
champion	O
in	O
2005	O
.	O
</s>
