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b. 203

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

..

In the main text we include the cautionary  to b1 added in GE (→FE,EE,IE).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 207

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

..

In the 2nd half of the bar A does not include an accidental to the 2nd R.H. quaver, which results in a. In the next two bars, in which the same figure is repeated an octave or two octaves higher, the respective notes are provided with naturals. Therefore, there is no doubt that in the discussed bar Chopin overlooked the . It was added in GE (→FE,EE,IE).
In the main text we do not include the  to the last L.H. quaver, f, added in GE (→FE,EE,IE) – in this layout it is superfluous.

category imprint: Interpretations within context; Differences between sources

issues: GE revisions , Omission of current key accidentals , Errors of A

b. 208-210

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

..

In A both accidentals in the L.H. part in bar 208 are missing; the 4 naturals in the R.H. part are missing as well, to b1 in bar 208, b2 in bar 209, b3 and a3 in bar 210. All the necessary accidentals were added in GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Inaccuracies in A

b. 211

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

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In the main text we add cautionary naturals to f3, the 3rd L.H. quaver and the 5th R.H. quaver. The accidentals in the L.H. was added also in GE (→FE,EE,IE).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 212-214

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

..

In the main text we omit the unjustified flats (cautionary?) to a2 in bar 212, a1 in bar 213 and Ain bar 214, present in all sources. On the other hand, we add a cautionary  to B in bar 214. The latter was also introduced into GE (→FE,EE,IE).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Cautionary accidentals