<s>
X3D	B-Application
Fritz	I-Application
was	O
a	O
version	O
of	O
the	O
Fritz	B-Application
chess	I-Application
program	I-Application
,	O
which	O
in	O
November	O
2003	O
played	O
a	O
four-game	O
human	O
–	O
computer	O
chess	O
match	O
against	O
world	O
number	O
one	O
Grandmaster	O
Garry	O
Kasparov	O
.	O
</s>
<s>
The	O
match	O
was	O
tied	O
2	O
–	O
2	O
,	O
with	O
X3D	B-Application
Fritz	I-Application
winning	O
game	O
2	O
,	O
Kasparov	O
winning	O
game	O
3	O
and	O
drawing	O
games	O
1	O
and	O
4	O
.	O
</s>
<s>
Fritz	B-Application
ran	O
on	O
four	O
Intel	B-General_Concept
Pentium	I-General_Concept
4	I-General_Concept
Xeon	B-Device
CPUs	B-General_Concept
at	O
2.8GHz	O
.	O
</s>
<s>
He	O
spoke	O
his	O
moves	O
out	O
loud	O
,	O
thus	O
conveying	O
them	O
to	O
the	O
computer	O
which	O
had	O
a	O
speech	B-Application
recognition	I-Application
system	O
.	O
</s>
<s>
Fritz	B-Application
managed	O
to	O
open	O
lines	O
against	O
Kasparov	O
's	O
king	O
,	O
and	O
drew	O
with	O
perpetual	O
check	O
.	O
</s>
<s>
The	O
second	O
game	O
,	O
with	O
Fritz	B-Application
as	O
White	O
,	O
was	O
a	O
Ruy	O
Lopez	O
.	O
</s>
<s>
Kasparov	O
played	O
the	O
Berlin	O
Defence	O
(	O
3	O
...	O
Nf6	O
)	O
,	O
with	O
which	O
Vladimir	O
Kramnik	O
had	O
drawn	O
against	O
Deep	B-Application
Fritz	I-Application
in	O
the	O
2002	O
Brains	B-General_Concept
in	I-General_Concept
Bahrain	I-General_Concept
match	O
(	O
and	O
which	O
Kramnik	O
had	O
also	O
successfully	O
employed	O
as	O
a	O
drawing	O
variation	O
against	O
Kasparov	O
himself	O
in	O
their	O
2000	O
World	O
Championship	O
match	O
)	O
.	O
</s>
<s>
Fritz	B-Application
,	O
however	O
,	O
avoided	O
the	O
simplifying	O
main	O
line	O
(	O
4.0-0	O
Nxe4	O
5.d4	O
Nd6	O
6.Bxc6	O
dxc6	O
7.dxe5	O
Nf5	O
8.Qxd8	O
+	O
Kxd8	O
)	O
,	O
instead	O
keeping	O
pieces	O
on	O
the	O
board	O
with	O
4.d3	O
.	O
</s>
<s>
Game	O
three	O
was	O
another	O
Semi-Slav	O
,	O
but	O
Fritz	B-Application
varied	O
from	O
game	O
one	O
early	O
with	O
5	O
...	O
a6	O
.	O
</s>
<s>
Kasparov	O
won	O
a	O
pawn	O
while	O
keeping	O
the	O
position	O
closed	O
,	O
and	O
Fritz	B-Application
did	O
not	O
appear	O
to	O
understand	O
the	O
closed	O
position	O
well	O
,	O
moving	O
its	O
pieces	O
back	O
and	O
forth	O
with	O
no	O
obvious	O
plan	O
.	O
</s>
<s>
With	O
the	O
computer	O
having	O
absolutely	O
no	O
counterplay	O
and	O
Kasparov	O
about	O
to	O
force	O
through	O
his	O
b-pawn	O
to	O
promote	O
,	O
winning	O
more	O
material	O
,	O
the	O
Fritz	B-Application
operators	O
resigned	O
on	O
move	O
45	O
,	O
making	O
the	O
match	O
tied	O
at	O
1½	O
–	O
1½	O
.	O
</s>
<s>
Fritz	B-Application
,	O
with	O
the	O
White	O
pieces	O
again	O
,	O
varied	O
from	O
game	O
two	O
immediately	O
with	O
1.d4	O
.	O
</s>
