The version of FE1 is certainly a mistake, corrected in FE2. Although in A one can see the identical correction – a deleted b
1 and added g1 – yet a more profound analysis of the notation reveals that it is only the most visible part of a greater proofreading, including the last 5 semiquavers in the R.H., as Chopin wrote here the figure appearing at the end of bars 37 and 39 by mistake.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in FE, Terzverschreibung error, Errors of A, Deletions in A, FE revisions
notation: Pitch