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b. 128

composition: Op. 35, Sonata in B♭ minor, Mvt I

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GC and FE do not include naturals before the top notes of the last two octaves in the R.H. Chopin's patent inaccuracy was corrected in GE and EE.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , GE revisions , Omission of current key accidentals

b. 129

composition: Op. 35, Sonata in B♭ minor, Mvt I

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We add cautionary flats before b-b1. The signs were added already in GE and EE2.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions

b. 129

composition: Op. 35, Sonata in B♭ minor, Mvt I

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GC has no  before the 2nd quaver, which is most probably an oversight of the copyist. The mistake was corrected in GE. The remaining sources include the correct text.

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Omission of current key accidentals , Inaccuracies in GC

b. 130

composition: Op. 35, Sonata in B♭ minor, Mvt I

..

We add cautionary naturals before F1-F.

category imprint: Editorial revisions

b. 131

composition: Op. 35, Sonata in B♭ minor, Mvt I

..

There is no  before the top note of the last octave in the L.H. – undoubtedly a g – in GC and FE (→EE1). This patent inaccuracy was revised in GE and EE2, however, in GE the  was misplaced in front of in the R.H. (in the sources the bottom notes of the last two octaves in the R.H. are written on the bottom stave).

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , Inaccuracies in FE , Errors in GE , GE revisions , Omission of current key accidentals , Inaccuracies in GC