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b. 651

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

..

In FE (→EE1), there are no cautionary naturals before g1 and g3; however, they were added in GE and, probably on the basis thereof, in EE2 (→EE3).   

category imprint: Differences between sources; Editorial revisions

issues: EE revisions , GE revisions

b. 651-652

composition: Op. 31, Scherzo in B♭ minor

No marks in A (→FEEE)

Long accents in FC

Long accents in GE1

Short accents in GE2 (→GE3)

..

These bars are an exact repetition of b. 200-201, hence in the main text we give the long accents written there by Chopin in FC.

category imprint: Differences between sources

b. 652-653

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

..

In the main text, we omit the unnecessarily repeated sharps before c2 and a​​​​​​​1 in the 2nd group of semiquavers. The former was removed already in GE1 (→GE2), the latter – in GE3.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Cautionary accidentals

b. 653

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

..

FE overlooked the  lowering e2 to e​​​​​​​2. The accidental was added in the remaining editions. All editions except GE3 include an unnecessarily repeated  (cautionary?) before the last semiquaver.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , Inaccuracies in FE , GE revisions , Cautionary accidentals

b. 654-657

composition: Op. 31, Scherzo in B♭ minor

No markings in A (→FEEE)

cresc. - - - in FC

cresc. in GE1

 & cresc. - - - in GE2 (→GE3)

..

In the main text we give the cresc. indication added by Chopin in FC along with the dashes marking its range within b. 654-663. Just like in b. 203-212, the dashes were overlooked in GE1 and added in GE2 (→GE3) while modifying the initial section of crescendo after analogous b. 71-72: cresc. was moved to b. 655, and a  was added in b. 654.

category imprint: Differences between sources

issues: Inaccuracies in GE , GE revisions