Issues : fz – f

b. 249

composition: Op. 21, Concerto in F minor, Mvt I

in A (→GE)

in FE (→EE)

..

 instead of  is most probably a mistake of the engraver of FE (→EE).

category imprint: Differences between sources

issues: Errors in FE , fz – f

b. 358

composition: Op. 31, Scherzo in B♭ minor

in A (→FC,FEEE) & GE2 (→GE3)

in GE1

..

An erroneous interpretation of the Chopinesque  as  would frequently happen to the engravers of the first editions, see, e.g. the Sonata in B Minor, Op. 35, I mov., b. 5.  The mistake was corrected in GE2 (→GE3).

category imprint: Differences between sources

issues: Inaccuracies in GE , GE revisions , fz – f

b. 605

composition: Op. 31, Scherzo in B♭ minor

in A (→FC,FEEE) & GE2 (→GE3)

in GE1

..

Just like in analogous b. 154, the indication , instead of , must be a mistake of the engraver of GE1. The mistake was corrected in GE2 (→GE3).

category imprint: Differences between sources

issues: Errors in GE , GE revisions , fz – f

b. 649

composition: Op. 11, Concerto in E minor, Mvt I

​​​​​​​in FE (→EE)

​​​​​​​ in GE

..

Both the change of indication from  to  and omission of the accent are most probably mistakes of the engraver of GE, although it is easier to imagine an overlooked 'z' in ​​​​​​​ at the time of reading the autograph, hence in FE. Therefore, it is possible that one or both inaccuracies were initially present in FE, in which, however, Chopin corrected them in the last phase of proofreading.

category imprint: Differences between sources

issues: Errors in GE , fz – f