What would be more beneficial, doing a Godowsky Chopin etude for two hands, or just a Chopin etude?
Why "or"?I can't imagine anyone doing a Godowsky study without having done the corresponding Chopin original.
Have you played all of the Chopin etudes yet?
Once you have learnt the chopin etude to the best of your ability, i guess it would be nice to learn some of the Godowsky's , for example his op1o no1 and op25 no 1 will sound good if playd well, but some of the other ones, to my ears sound like something Chopin would have had a problem with, you know the story when Liszt playd for chopin, a chopin composition and chopin was really not happy with Liszt, saying that it should be playd as written.
"Liszt is in the next room, playing my Etudes. I should like to steal from him the way to play my own Etudes."-Chopin, in a letter to somebody
There is more to pianistic development than being able to play a similar figuration that shows up in another piece. Your understanding of choreographic logic, fingering, pedaling and agogic, your understanding of the role of weight in tone production and total freedom are enormously increased by just practicing (not even mastering) a few Godowsky studies.You will never find anything in Mozart, Brahms or Chopin that resembles the textures and specific problems posed by the Godowsky studies, but your Mozart Brahms and Chopin will certainly improve a lot because of the time you devote to working of your Godowsky studies.