<s>
Chess	B-Application
Mates	I-Application
is	O
a	O
computer	O
software	O
program	O
,	O
released	O
in	O
1996	O
for	O
Macintosh	B-Device
and	O
1997	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
designed	O
to	O
teach	O
the	O
basics	O
of	O
Chess	B-Application
.	O
</s>
<s>
Chess	B-Application
Mates	I-Application
was	O
marketed	O
as	O
an	O
easy	O
way	O
for	O
children	O
to	O
learn	O
the	O
building	O
blocks	O
of	O
becoming	O
a	O
successful	O
chess	B-Application
player	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
Stepping	O
Stone	O
(	O
a	O
division	O
of	O
Presage	O
Software	O
and	O
Interplay	O
)	O
and	O
published	O
by	O
Brainstorm	B-Application
.	O
</s>
<s>
Discovery	O
School	O
cited	O
the	O
game	O
's	O
appealing	O
graphics	O
,	O
sense	O
of	O
humor	O
,	O
and	O
effective	O
teaching	O
of	O
the	O
various	O
aspects	O
of	O
Chess	B-Application
.	O
</s>
