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b. 281-282

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

Slur from c1 to g1 in A, literal reading

Slur from c1 to a1 in GE (→FE,EE,IE)

..

It is difficult to imagine that the literal interpretation of the A slur, which does not include 3 (or 2) outermost quavers belonging to the chromatic scale, could have corresponded to Chopin's intention. Therefore, we consider it one of the many inaccuracies of A in this respect; in the main text we include the interpretation of this slur adopted to GE (→FE,EE,IE). 

category imprint: Graphic ambiguousness; Differences between sources; Editorial revisions

issues: Inaccurate slurs in A , GE revisions

b. 282-283

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

Slurs in A

No slurs in GE (→FE,EE,IE)

..

The omission of the slurs/ties between the chords is an oversight by the engraver of GE (→FE,EE,IE). It cannot be ruled out that the engraver did not insert the slurs due to doubts regarding their significance and position with respect to the arpeggio wavy line.
Regardless of the possible dilemmas of the engraver of GE, the meaning of the bottom-most slur/tie concerning c is unclear – if c were to be tied, the arpeggio of the chord in bar 283 would concern only the top 3 notes, contrary to the notation. This resembles the issue discussed in bars 4-6

category imprint: Differences between sources

issues: Errors in GE

b. 282

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

category imprint: Differences between sources; Editorial revisions

issues: GE revisions

b. 283-284

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

..

In the main text we omit the cautionary  to a1 in bar 283 (present in all sources), and we add it in bar 284. We also include the  to a3 at the end of bar 284 added in GE (→FE,EE,IE).

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Cautionary accidentals

b. 284-285

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

Slurs to b2 & from c3 in A, literal reading

Slurs to a3 & from g3 in GE (→FE)

Slurs to b2 & from g3 in EE & IE

Slurs to g3 & from c3, our alternative suggestion

3 slurs, our different suggestion

..

The extension of the slur in bar 284 in GE is most probably a routine revision assuming that the A slur is inaccurate; actually, it looks as if Chopin stopped writing it after having encountered an obstacle in the form of the a3 quaver. In this context, the similarity between A and the slurs in EE and IE could be puzzling; perhaps the GE slur was changed in the last stage of proofreading – cf. bar 225. In GE (→FE,EE,IE) the described change is accompanied by an earlier starting point of the slur in bar 285, as a result of which all quavers in this fragment are encompassed by slurs. This change is unarguably contrary to the A notation.
In the main text we reproduce the A slurs, as it is uncertain whether they are inaccurate or not – perhaps Chopin wanted to lead the slur from bar 284 to g3 at the beginning of bar 285, which is suggested by the following slurs, or simply embrace a3-g3 with a slur, as he did in a similar situation in bars 73-74. 

category imprint: Graphic ambiguousness; Differences between sources; Editorial revisions

issues: Inaccurate slurs in A , GE revisions , EE inaccuracies , FE revisions ,