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b. 286-287

composition: Op. 16, Rondo in E♭ major

category imprint: Source & stylistic information

b. 286

composition: Op. 16, Rondo in E♭ major

..

We add a cautionary ​​​​​​​ before g in the main text.

category imprint: Editorial revisions

b. 286

composition: Op. 44, Polonaise in F♯ minor

Arpeggio in GE, FE & EE2 (→EE3)

No mark in EE1

..

The absence of the mark in EE1 is most probably an oversight of the engraver, corrected in EE2 (→EE3).

category imprint: Differences between sources

issues: EE revisions , Errors in EE

b. 286

composition: Op. 49, Fantaisie in F minor

..

In FE there are no accidentals to the minim L.H. chord. The mistake was corrected in EE by adding a necessary  raising e1 to e1 as well as a  to e (superfluous, in A it was deleted).

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE

b. 286

composition: (Op. 4), Sonata in C minor, Mvt IV

d3 in A (→GEFE,EE,IE), literal reading

d3, contextual interpretation

..

When interpreted literally, the version of the sources, featuring d3 as the 6th quaver, although harmonically possible, is almost certainly erroneous. This is supported by the comparison with analogous bar 288 and 77 and 79, as well as by the role bars 281-292 play in the structure of the finale – preparing the entry of the secondary theme in the key of F minor by consolidating the C chord as the dominant to this key and by reducing harmonic variability and motivic complexity. The highly likely oversight of the  is also indicated by many similar situations in which Chopin forgot that the earlier accidentals were still valid, even the ones put to the preceding note – cf., e.g. bar 5 and 6. Taking into account the above, in the main text we suggest here d3

category imprint: Interpretations within context; Editorial revisions

issues: Accidentals in different octaves , Omissions to cancel alteration