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b. 213-216

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

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In the main text we add cautionary flats before e3 in bar 213 and a2 in bar 216 after analogous signs written by Chopin before d3 in bar 215 and b2 in bar 214.

category imprint: Editorial revisions

issues: Cautionary accidentals

b. 213

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

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In FE (→EE1), there is no  restoring g2. The mistake was corrected in the remaining editions.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE , GE revisions

b. 213

composition: Op. 16, Rondo in E♭ major

before crotchet

after crotchet in GE

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In GE, the ​​​​​​​ mark is placed just after the 2nd crotchet in the bar. It is the engraver's inaccuracy.

category imprint: Differences between sources

issues: Inaccuracies in GE

b. 213-217

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

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In bar 213, a  (cautionary?) before c​​​​​​​ is present in all sources. A similar situation occurs in bar 217, in which, however, GE3 omitted this completely unjustified accidental.

category imprint: Differences between sources; Editorial revisions

issues: GE revisions , Cautionary accidentals

b. 213

composition: Op. 31, Scherzo in B♭ minor

No marking in A (→FEEE)

in FC (→GE)

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Chopin added the  indication in FC (→GE).

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FC