I also liked it very much.
I think it has quite a lot of harmonic richness and the central part, being less somber, is well connected with the rest.by the left hand pattern and some melodic gestures.
The modulation is somewhat original (Cm -- B), and it is reached in a peculiar way (by voice leading or, as one would say now, following some neo-Riemannian patterns). In measure 30, the first note in the bass should already be an A#, perhaps