Not exactly his best work. Has a few nice variations, but most of it is really boring and repetative, imo. Liked the Busoni variations more then Rachs.
I have a decent rec of Scherbakov doing it i could UL.
i think zumone ul’ed an inzane KAT rec a while ago
pozzibly tha 
do you have the rest of that disk?
yup
2nd sonata and his Op.3
btw, does anyone have the sheets for the busoni\chopin variations?
yup. here are both versions. version 2 is the one with the fugue. its in 3 parts.