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b. 246

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

..

Chopin initially wrote the c3 note in the 2nd quaver in the bar as d3, which required the use of  for the next quaver (d3). After changing the 2nd quaver to c3, this already superfluous  was not removed, while the editions supplemented it with a  to d2. In the main text we do not include these accidentals.

category imprint: Differences between sources; Editorial revisions; Corrections & alterations; Source & stylistic information

issues: Corrections in A , Errors resulting from corrections , GE revisions , Cautionary accidentals , Enharmonic corrections

b. 247

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

..

In EE the 3rd R.H. quaver is preceded by a  instead of a . Neither EE1 nor EE2 noticed the patent mistake, despite the fact that EE2 added fingering over the next note.

category imprint: Interpretations within context; Differences between sources

issues: Errors in EE , Errors repeated in EE