He seems to mostly use a straight 3 tempo throughout that one. In the 3rd movement of the f minor concerto, he doesn't.
Alfie wrote:If you want to listen to some really extraordinary interpretations of them go to YT and look for Ignaz Friedman. His Mazurkas are one of a kind and in my opinion he gives a possible account of that famous "Polish" thing you mentioned.
I'm listening to one of them now (63/3), but it seems to be straight 3 also.
Both interpretations are nice, but I still think Zimerman's interpretation of the 3rd movement of the f minor concerto is the only one that deviates from a strict meter. I can't get the Meyerbeer scenario out of my head...but I'm definitely willing to accept that the meter deviation could have been a lot subtler than the Meyerbeer anecdote implies (that would certainly explain why Chopin was originally so frustrated with Meyerbeer's insistence that Chopin played his mazurkas in 4).
"Z Czernym poznałem się na panie brat—na dwa fortepiana często z nim u niego grywałem. Dobry człowiek, ale nic więcej..." - Fryderyk Chopin