Issues : Inaccurate note pitch in A

b. 155

composition: Op. 35, Sonata in B♭ minor, Mvt I

g2-b2 in FE1 (→FE2EE1)

f2-b2 in GC (→GE), FE3 (→FE4) & EE2

..

g2 instead of f2 at the last quaver of the bar is certainly a mistake of Chopin in [A]. It is proved by the  before the note, present both in FE1 (→FE2) and GC, which originally also included g2. Chopin corrected the mistake in GC and the proofreading of FE3 (→FE4). The erroneous version was passed down to EE1, in which it was revised, by deleting the , which was superfluous before g2.

category imprint: Differences between sources; Corrections & alterations

issues: Errors in FE , Inaccurate note pitch in A , Authentic corrections of FE , Authentic corrections in GC