There will be no studio audience, depriving candidates of the momentum that comes from ginning up supporters. Microphones will cut out when a candidate’s speaking time is over. Thursday night’s presidential debate will not be business as usual.

CNN, which is hosting President Joe Biden and his predecessor Donald Trump for their first debate of the 2024 campaign in Atlanta, wants to avoid the chaos seen when the two men squared off in 2020.

Here are some facts about the 90-minute debate, a key moment in the race for the White House, but one whose impact is difficult to predict.

In their first war of words four years ago, Trump repeatedly cut off the veteran Democrat, launched into lengthy diatribes and taunted his rival, who ended up shouting at one point: “Will you shut up, man?”

To cut down on the hijinks, CNN has set up a series of rules, to which both campaigns agreed.

Among the most notable: When the candidates take the stage at the network’s Atlanta studios at 9:00 pm (0100 GMT Friday), there will be no one in the audience.