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b. 120

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

B in GC & FE (→EE1)

in GE & EE2

..

GC and FE (→EE1) do not include an accidental before the bass note, which makes it to be interpreted as a B. The version, present certainly also in [A], is given by us in the main text, with a cautionary . The version of GE, in spite of being most probably a result of a routine editorial revision (until this place the development is maintained in sharp keys and is present also in the next bar), may be, however, considered an alternative authentic version in this case – according to Mikuli, Chopin added a corresponding  in a copy of his pupil, Friederike Müller-Streicher (information from the Mikuli edition of Sonatas, Kistner, Leipzig 1879).

category imprint: Differences between sources; Corrections & alterations

issues: GE revisions , Authentic post-publication changes and variants

b. 120

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

..

EE1 has no  raising g to g. In this context it is a patent error, corrected in EE2.

category imprint: Differences between sources

issues: EE revisions , Errors in EE

b. 121-122

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

..

In the main text, we add flats before e2 in bar 121 and b1 in bar 122, as it was done in GE and EE2.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions

b. 122

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

..

In GC there is no  before the 2nd quaver in the L.H. This patent inaccuracy was completed in GE. The remaining sources include the correct text.

category imprint: Differences between sources

issues: GE revisions , Inaccuracies in GC

b. 124

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

..

In the 2nd half of the bar GC and FE lack in accidentals in the part of the R.H. The inaccuracy of Chopin's notation was corrected in GE and EE.

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE , Omission of current key accidentals , Errors of GC