The Chopinesque manner of writing semibreves in the middle of the bar, now almost completely abandoned (cf. General Editorial Principles, p. 24), was used in this bar to indicate that the accent refers to e
1, which, therefore, belongs to the bottom, melodic voice of the R.H. Semibreves are written down in this way in A (→FC,FE) in the entire ending (b. 84-89), which, in this case, we reproduce in the graphical transcription as an exception (the version "transcription"). However, the accent was not reproduced in any other source – Fontana overlooked all dynamic indications in b. 83-87, while in FE all 3 notes of the chord in the discussed bar were written in the middle of the bar, which impeded the accent to be placed in accordance with Chopin's intention.
Compare the passage in the sources»
category imprint: Differences between sources; Source & stylistic information
issues: Long accents, Errors in FE, Errors of FC
notation: Articulation, Accents, Hairpins