Miro Määttänen scored 22 points (including 2 aces and 2 blocks) for Finland in a match that was near the tiebreaker, when Chile tried to play at their best.
However the Finnish unit worked hard with their block to define the result.
Lauri Jylhä concluded with 12 points and Karri Kutinlahti with 11, including 6 blocks.
On the Chilean side, Dusan Bonacic registered a total of 17 points and Marcelo Concha 14.
Simon Guerra also converted double digits with 13 points, while Rafael Albornoz, 11 points and Christopher Baeza closed with 10.
To read more news from this competition click Youth World Championship 2013 M.