Oct. 3—Candia Oaks’ Harvin Groft fired a final-round 2-under-par 69 and rolled to the NHGA Mid-Amateur Championship title on Thursday at Passaconaway Country Club in Litchfield. Groft, the second-round leader, finished with a three-round total of 206, eight strokes better than runner-up Paul Torri (214) of Sky Meadow. Torri fired rounds of 80, 63 and 71 — the 63 on Wednesday tying the course …