RIO DE JANEIRO: Argentina's Lionel Messi scored one of his trademark free-kicks in the first half but Eduardo Vargas equalized for Chile to leave honors even at 1-1 in their Copa America opener in Rio de Janeiro on Monday. Messi curled a superb free-kick into the corner of Claudio Bravo's net from 25 meters after 33 minutes. Chile equalized 13 minutes into the second half when Vargas followed up to head home the rebound after Arturo Vidal's penalty was tipped onto the bar