In A one can see an erased B note at the beginning of the bar, which means that this L.H. part detail being different in the exposition and the recapitulation – C-c octave in bar 8, but a single B1 note in bar 186 – was not due to distraction. Chopin most probably took into account the different form of the R.H. chord, which could have also been corrected, e.g. by adding one of the bottom notes, d or f.
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category imprint: Corrections & alterations; Source & stylistic information
issues: Corrections in A
notation: Pitch