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b. 480

composition: Op. 21, Concerto in F minor, Mvt III

Shorter  in A

Longer  in GE (→FEEE)

..

In the main text we preserve the notation of A, which may suggest a more pronounced accentuation of the 3rd beat of the bar as the topmost point of the passage. Cf. bar 478.

category imprint: Differences between sources

issues: Inaccuracies in GE

b. 481-484

composition: Op. 21, Concerto in F minor, Mvt III

- - - - in A

cresc. - - in GE

cresc. in FE (→EE)

..

A has only dashes marking the range of an unspecified indication in these bars, most probably cresc. from bar 469 – see bars 475-480. The cresc. marking, appearing in GE (→FEEE) at the beginning of bar 481, was added probably by Chopin as proofreading of incomplete indications of A, hence we give it in the main text.
Omission of dashes must be an inaccuracy of the engraver of FE (→EE). 

category imprint: Differences between sources

issues: Inaccuracies in FE , Errors of A , Authentic corrections of GE

b. 481

composition: Op. 21, Concerto in F minor, Mvt III

No arpeggio sign in A

Arpeggio sign in GE (→FEEE)

..

The missing arpeggio mark in A before the 1st chord in the L.H. is a patent mistake, corrected already in GE (→FEEE).

category imprint: Interpretations within context; Differences between sources

issues: GE revisions , Errors of A

b. 481-483

composition: Op. 21, Concerto in F minor, Mvt III

..

The crossings-out visible in A allow us to read the original version, in which the L.H. had the same chords as the R.H., continuing the relationship marked by the 1st chord of the entire passage. Chopin wrote four subsequent chords (to the second one in bar 482) before he changed the concept or noticed his mistake.

category imprint: Corrections & alterations; Source & stylistic information

issues: Corrections in A , Accompaniment changes

b. 481

composition: Op. 21, Concerto in F minor, Mvt III

..

We preserve the cautionary  before ain the 2nd chord of the bar, due to a in the previous bar. However, Chopin most probably wrote it to cancel a2, used in the original version of the notation of the 1st chord. In the main text we also add a cautionary  before c

category imprint: Editorial revisions; Corrections & alterations

issues: Corrections in A , Cautionary accidentals