By Ranjika PereraThenuka Nanayakkara scored 13 points to steal the win for CH&FC against Air Force in the first leg of the Air Force Commanders Cup rugby encounter at Ratmalana on Friday (13). (File Photo)Former Peterite fly-half Thenuka Nanayakkara scored 13 points, including the winning penalty in the last minute, to steal the win for CH&FC in the first leg of the Air Force Commanders Cup rugby encounter against Air Force at Ratmalana on Friday (13). The full time score read CH&FC 23 and Air Force SC 21. Matters got worse for CH when Malinga Shehan was sin-binned and it led to the second try for Air Force. The matches are held under the supervision of the Commander of Sri Lanka Air Force, Air Marshal Sudarshana Pathirana.