They booed their own substitutes and sang about a sanctioned oligarch. Just when perspective is needed most among Chelsea fans, it seems it has never been more slippery in the fingers.
These are strange and troubling times for a club who won the Champions League two years ago. But at least Saturday offered a first victory since March 11, if not the sort of performance that screams of corners turned.
It was messy. On the ball they were unsure and unimaginative, off it they were vulnerable and too open when Bournemouth countered.