OUR STAFF REPORTER LAHORE - Aamer Ali with a hat-trick helped Tanvir Dar Hockey Academy (HA) to beat Halversum 4-0 in the opener of the fourth MOP International U-15 Tournament on Saturday. The tournament opened in a festive and impressive manner in which 20 teams (10 each, boys and girls) participating. Being an under-15 affair, the matches are of 25 minutes duration. All this made the Dar Academy changed the tactics within the circle, that paid off and the Dar HA managed to put in four goals without reply. Aamer Ali hit superb hat-trick.