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. 21, Concerto in F minor, Mvt II
In A there are no accidentals before the 11th semiquaver (in both hands), as a result of which both here and two notes later one should read an a(1). Chopin's patent oversight was corrected in all editions.
A cautionary 
before the 12th semiquaver – g(1) – is written in A only in the R.H. This inaccuracy was also corrected in the editions.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Omissions to cancel alteration, GE revisions, Cautionary accidentals, Last key signature sign
notation: Pitch
