Op. 2, Variations in B♭ major
Op. 10, 12 Etudes
Op. 11, Concerto in E minor
Op. 21, Concerto in F minor
Op. 22, Polonaise in E♭ major
Op. 24, 4 Mazurkas
Op. 25, 12 Etudes
Op. 26, 2 Polonaises
Op. 27, 2 Nocturnes
Op. 28, 24 Preludes
Op. 30, 4 Mazurkas
Op. 35, Sonata in B♭ minor
Op. 50, 3 Mazurkas
Op. 63, 3 Mazurkas
Op. 64, 3 Waltzes
Op. 39, Scherzo in C♯ minor
GC has the flat before the chord placed at the height of d1. We can come across similar inaccuracies in Chopin's own manuscripts as well. GE has the correct text that is evident from the context.
Compare the passage in the sources »
category imprint: Source & stylistic information
issues: Accidental below/above the note, Inaccuracies in GC
notation: Pitch