LONDON, March 17 : Paris Saint Germain coach Luis Enrique hailed his players' ruthlessness in front of goal in their 3-0 defeat of Chelsea in the Champions League on Tuesday which gave the reigning European champions an 8-2 aggregate win over the Londoners. "We were very precise," the Spaniard told reporters. "We scored the first two goals very quickly and that was the key to the game." PSG raced into a 2-0 lead within 14 minutes thanks to goals from Khvicha Kvaratskhelia and Bradley Barcola.