<s>
Pocket	B-Application
Fritz	I-Application
is	O
a	O
chess	B-Application
playing	O
program	O
for	O
Pocket	B-Device
PC	I-Device
personal	B-Application
digital	I-Application
assistants	I-Application
(	O
PDAs	B-Application
)	O
.	O
</s>
<s>
Pocket	B-Application
Fritz	I-Application
1	O
was	O
released	O
in	O
2001	O
.	O
</s>
<s>
The	O
game	O
uses	O
a	O
port	O
of	O
Shredder	B-Application
chess	I-Application
engine	O
.	O
</s>
<s>
Pocket	B-Application
Fritz	I-Application
2	O
was	O
released	O
in	O
2002	O
.	O
</s>
<s>
In	O
2006	O
,	O
Pocket	B-Application
Fritz	I-Application
1	O
and	O
2	O
lost	O
the	O
online	O
ability	O
to	O
search	O
positions	O
on	O
Chessbase	O
servers	O
.	O
</s>
<s>
Pocket	B-Application
Fritz	I-Application
3	O
was	O
released	O
in	O
2008	O
and	O
used	O
Hiarcs	B-Application
12	O
as	O
the	O
engine	O
.	O
</s>
<s>
The	O
successor	O
Pocket	B-Application
Fritz	I-Application
4	O
was	O
released	O
in	O
2009	O
and	O
uses	O
Hiarcs	B-Application
13	O
as	O
engine	O
.	O
</s>
<s>
The	O
Pocket	B-Application
Fritz	I-Application
4	O
won	O
the	O
Copa	O
Mercosur	O
tournament	O
,	O
a	O
category	O
6	O
tournament	O
in	O
Buenos	O
Aires	O
,	O
Argentina	O
,	O
with	O
nine	O
wins	O
and	O
one	O
draw	O
on	O
August	O
4	O
–	O
14	O
,	O
2009	O
.	O
</s>
<s>
The	O
Pocket	B-Application
Fritz	I-Application
4	O
achieved	O
a	O
performance	O
rating	O
of	O
2898	O
.	O
</s>
<s>
The	O
Pocket	B-Application
Fritz	I-Application
4	O
was	O
running	O
on	O
the	O
mobile	O
phone	O
HTC	O
Touch	O
HD	O
.	O
</s>
