PORTLAND, Ore., Feb. 12 (AP)—David Thompson and Mack Calvin scored in the final seconds today as the Denver Nuggets snapped Portland's home‐court winning streak at 44 games with a 103‐101 victory in a National Basketball Association game.

The Nugget triumph also snapped the Trail Blazers’ regular‐season homecourt string at 34, two short of; the league record.

Denver, down by 10 points in the third quarter, took the lead for good on a pair of free throws by Darnell Hillman with 3 minutes 16 seconds left to play. Portland stayed close and was within one, at’ 99‐98, with 1:15 left. But the Blazers turned the ball over on a fast break, and Thompson sank a 10‐footer with 19 seconds remaining.