VALENCIA, SPAIN: Qatar's U-19 boys on Sunday lost to their counterparts from Chile on day one of the twelve-side International Football Tournament. A strike by Jason Vargas in the 54th minute saw Chile home in the a physical game at Els Arcs Municipal Stadium, L' Alcudia. This was Qatar's first loss in the tournament where the maroons are setbto take on Guinea Equatorial on Monday. In the grueling second half, Qatar dominated proceedings but a couple of easy misses by Mustafa Hassan saw the Maroons failing to score. Three Chile players were booked late in the second half as the winners tried to hold on to their slender lead. Qatar features in Group A alongside Chile, Guinea Equatorial and Spanish club Atliteco Madrid. Qatar is preparing for the GCC U-19 tournament set to take place in September, as well as the AFC qualification group in October. The boys in maroon have already conducted a training camp in Turkey besides playing friendly games against Levante and Villarreal CF. The Qatar squad will continue their preparations following their return to Doha, Qatar Football Association said on Sunday.