The trouble with Conte is he has only one tactical plan. He isn't able to switch things up, or maybe he lacks the players to do so. Just because they lost Alonso to illness, his entire system was unsettled. Mourinho on the other hand is wily and experienced, and knows how to set his teams up to counter the opponent. This is why we completely negated them today. They were severely restricted, totally stifled, as evidenced by their zero shots on target. Like it or not, this game was a vindication for Mourinho, he really showed his tactical acumen today. Many fans slammed the starting XI but it turns out he set the team up perfectly to shut Chelsea down.
Objectively, Mourinho is still the better tactician, and it's about time people gave him due credit for it.