Simultaneous displays, in which a strong player plays against a number of opponents at the same time, are a popular chess spectacle. But can they also help improve your chess?
Probably not more than any game against the ADJUSTED rating of the simul giver which could be something like 300-400 Elo points lower than his or her ‘real’ rating. Of course if someone starts out at 2800 that may still mean playing a really good player!
Here’s a nice video on a simul by the ever interesting Garry Kasparov in which he wins all 25: