Shift to 3-5-2 provides Chelsea a boost but not a solution for all their problems

Antonio Conte says he's happy with Chelsea's reaction and refusal to accept defeat after going behind at Liverpool.Antonio Conte's most impressive quality as a coach is his tactical flexibility.

The Italian isn't tied to a particular formation and adapts his system to suit his squad rather than the other way around -- having arrived in England in the summer of 2016 intending to play 4-2-4, he quickly switched to 4-3-3 before shifting to the 3-4-3 formation that transformed Chelsea from flawed Premier League also-rans to runaway champions.

This season, in response to Chelsea's early setbacks, he has leaned on another "solution": the 3-5-2, the system that has provided the foundation for his…