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b. 52-53

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

..

In A a few necessary accidentals are missing – in the L.H. part the  to A in bar 52 and the  to c1 in bar 53 were omitted, while in the R.H. part the naturals to a3 in both bars. In GE (→EE,IE) only the first three were added; all accidentals are present only in FE.

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , FE revisions , Inaccuracies in A , Errors repeated in GE , Errors repeated in EE , Errors repeated in IE

b. 52-53

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

..

In A Chopin unnecessarily repeated a  before the e3 minim and the quaver in bar 52. The former was already omitted in GE (→FE,EE,IE), and in the main text we omit both.
In the main text we include the cautionary  to c at the beginning of bar 53, added in GE (→FE,EE,IE).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Cautionary accidentals

b. 57

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

..

In the main text we add a cautionary  to c3.

category imprint: Editorial revisions

b. 58

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

..

Chopin entered into A (→GEFE,EE,IE) a cautionary  to e3. However, he did not notice that the respective one is missing before the earlier L.H. chord (to e2) as well as the  restoring g3 in the 2nd half of the bar. The omitted accidentals were added already in GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources; Editorial revisions

issues: Omissions to cancel alteration , GE revisions , Cautionary accidentals , Inaccuracies in A

b. 59

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

..

In the 2nd half of bar 59 in the main text we omit the  to a1 and the  to c3, unnecessarily repeated in A. The latter was already omitted in GE (→FE,EE,IE).
In the 2nd half of bar 60 Chopin entered only one accidental – a  to a2. In the main text we include the flats to e2 (cautionary) and to e3 (necessary following the  in the 1st half) added in GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources; Editorial revisions

issues: Omissions to cancel alteration , GE revisions , Cautionary accidentals , Errors of A