Op. 2, Variations in B♭ major
Op. 10, 12 Etudes
Op. 11, Concerto in E minor
Op. 21, Concerto in F minor
Op. 22, Polonaise in E♭ major
Op. 24, 4 Mazurkas
Op. 25, 12 Etudes
Op. 26, 2 Polonaises
Op. 27, 2 Nocturnes
Op. 28, 24 Preludes
Op. 30, 4 Mazurkas
Op. 35, Sonata in B♭ minor
Op. 50, 3 Mazurkas
Op. 63, 3 Mazurkas
Op. 64, 3 Waltzes
Op. 28 No. 8, Prelude in F♯ minor
In the 1st group of demisemiquavers in this bar, one can see in A a crossed-out accidental – most probably a 
– before the 3rd demisemiquaver. Formally, the accidental is not necessary here; it is absent both in FC and FE (→EE1). However, the presence of the f pedal note as well as f2 at the end of the previous bar justify its addition in the form of a cautionary accidental, which was performed in GE and EE2.
See also the next note.
Compare the passage in the sources »
category imprint: Differences between sources; Editorial revisions; Corrections & alterations
issues: EE revisions, GE revisions, Cautionary accidentals, Deletions in A
notation: Pitch