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. 23, Ballade in G minor
In A, Chopin overlooked two necessary accidentals – a 
to f
and a 
to b. Both inaccuracies were removed in FE (→GE,EE). By contrast, in the R.H. part, the to b1 in the middle of the bar was unnecessarily repeated; it was included in all editions. We omit this accidental in the main text.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Accidentals in different octaves, Cautionary accidentals, Authentic corrections of FE, FE revisions
notation: Pitch