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b. 12-13

composition: Op. 10 No 6, Etude in E♭ minor

not tied in A (→FEGE,EE)

Our suggestion

..

We consider the lack of hold of as an error of A, which was not corrected in any of the subsequent sources. Chopin's more relaxed approach at the time of writing the first phrase of the Etude is indicated by other undeniable mistakes – lack of  before d at the beginning of bar 12 and, above all, overlooking the accidentals in bar 15.

category imprint: Editorial revisions

issues: Errors of A

b. 12

composition: Op. 10 No 6, Etude in E♭ minor

No sign in A (→FEGE,EE)

Possible reading of FEJ

..

The meaning of the mark (marks?) visible in FEJ is uncertain. The mark over eat the end of the bar may be a fingering digit.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FEJ

b. 13-14

composition: Op. 10 No 6, Etude in E♭ minor

No tie in A

Tie in FE (→GE,EE)

..

Lack of the tie sustaining a in A is most probably a mistake, which is confirmed by the tie added by Chopin in a proofreading of FE (→GE,EE).

category imprint: Differences between sources

issues: Errors of A , Authentic corrections of FE

b. 13

composition: Op. 10 No 6, Etude in E♭ minor

..

It is unclear whether the omission of  in the editions was inspired or at least accepted by Chopin.

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 15-16

composition: Op. 10 No 6, Etude in E♭ minor

No fingering in A

Fingering in FE (→GE,EE)

..

The fingering was added by Chopin in a proofreading of FE (→GE,EE).

category imprint: Differences between sources

issues: Authentic corrections of FE