Antonio Conte has seen it coming for some time.
Nine months ago, he sat in the bowels of Singapore's national stadium and warned of the 'Mourinho Season'.
Chelsea were on tour in pre-season and Conte was talking about the sobering prospect of finishing outside the top four only a year after being crowned Premier League champions.
Alvaro Morata headed Chelsea in front after Hugo Lloris missed the ball from a crossiPhone transfer software
Just as they did in 2015-16, a campaign which started under Jose Mourinho and finished with Guus Hiddink back at the helm.
As Tottenham came back from behind to bury their 28 year hoodoo at Stamford Bridge, Conte's prophecy echoed around Stamford Bridge.
Spurs have a cushion in fourth, eight points clear with seven to play, and have dismantled another long-standing psychological barrier.
Mauricio Pochettino can take credit for a tactical switch at half-time which helped them stretch away in the second half.
Dele Alli stepped up to answer questions about his form with two goals.
And Chelsea were left to wonder how they crashed so fast from the top of the tree to a state of disarray, just as they did two years ago.
Morata nabbed his seventh header in the league this season, more headed goals than anyone
The return to some sort of form of Alvaro Morata will be of scant consolation.
Chelsea's form fell apart during Morata's mid-season three months without a goal.
It was not the only problem for Conte during this period but it was a big one as they won only six times in 18 attempts.
Now Morata seems to be