I have a question regarding page 3 of this piece, where the L'istesso tempo begins. In the 2nd and 4th bars of this section Rachmaninov delays the semiquaver by a quarter of a beat. If played strictly in time, this would make the following 'on-beat' notes (the F# and then the A) seem to come in too early. However, if we treat this slight delay as a written-in rubato, it means the bar is slowed down, or actually extended, by that quarter of a beat. The F# (or A) will sound as if it's in the right place, but will in fact be, itself, slightly delayed. It's kinda hard to explain, but if you look at the score you'll see what I mean. Any thoughts on which is the 'right' way to do it?
Secondly, 5 bars from the end of the piece R marks 'dim'. I think the opposite would sound better here, like a dying soul suddenly trying to come back to life, then sinking slowly back again, only to suddenly raise up again, with a clenched fist, two bars before the end, only to finally die out. The justification for me wanting to change what R wrote is that R himself did a similar thing when playing Chopins Bb minor sonata, where when the funeral march theme returns he plays it ff instead of Chopin's marking of pp. Right or wrong? I don't know, it's convincing either way, but it does make me feel we can take some liberties with Rach's own markings. Wold he have approved, I wonder?