Senior Jiansheng Guo (cq-center) congratulates his Engineering and Science HS chess teammates after they won the first place high school city chess championship at the Philadelphia Scholastic Chess League City Championships at Citizens Bank Park's Diamond Club,March 6, 2013. At left is junior Kent Huang (cq) and at right is senior Xuhui Huang (cq-no relation) who had just ending his match, sealing the victory. ( TOM GRALISH / Staff Photographer )