mUltimate Chopin

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Issues : Omission of current key accidentals

b. 23

composition: Op. 30, Mazurka in D♭ major

No accidental above  in sources

[] suggested by the editors
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The missing , clarifying that it is the c3 major second, and not the c3 augmented second, that should be used as the top mordent note, is probably an inaccuracy by Chopin, who only occasionally clarified the pitch of auxiliary notes in ornaments with an accidental. In spite of c3, played a moment ago, the default choice in a descending minor scale is a natural seventh, in this case c3 in the D minor scale. However, it does not mean that there are no exceptions to this rule, hence the literal interpretation of the text may be regarded as an acceptable variant, particularly since the use of augmented seconds in the melody of the two previous bars may mean that the composer wanted to achieve peculiar timbre of the minor version of this phrase with the help of those intervals.

category imprint: Editorial revisions

issues: Omission of current key accidentals

b. 24

composition: Op. 28 No. 12, Prelude in G♯ minor

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In A (→FC,FE) there is not a single  before the a notes (in various octaves). Such oversights of accidentals defining the current key are among the most frequent mistakes of Chopin. The accidentals were added in GE and EE. The same applies to the next three bars. 

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , GE revisions , Omission of current key accidentals , Errors of A , Last key signature sign , Errors repeated in FE

b. 24

composition: Op. 28 No. 4, Prelude in E minor

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A cautionary  before B occurs in all sources except As. We also add an accidental before the lower note of the octave in the main text.
As has no sharps raising d-d1 to d-d1. It is certainly a sketchy notation and not a variant.

category imprint: Interpretations within context; Differences between sources; Editorial revisions

issues: Cautionary accidentals , Omission of current key accidentals

b. 24

composition: Op. 63 No. 1, Mazurka in B major

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AI has neither  lowering b1 to b1 nor  lowering g1 to g1. The latter is also absent from EEC.

category imprint: Interpretations within context; Differences between sources

issues: Errors in EE , Omission of current key accidentals , Inaccuracies in A

b. 25

composition: Op. 43, Tarantella

 
 
 
 
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Given that there is g in both the previous and following bars, we are led to believe tha the internal note of the chord in the second half of b. 25 per Chopin’s intention should also be g, and its omission must have been Chopin’s oversight. The version with g is no less satisfactory in musical terms, so if we assume there is no error in Chopin’s notation, we have proposed it for the main text.

category imprint: Interpretations within context; Differences between sources; Source & stylistic information

issues: GE revisions , Omission of current key accidentals