Using an old (but still useful) Course of Study Syllabus for Piano from the Royal Conservatory of Music - Toronto (RCMT), it shows the following for Chopin:
Grade 6 (no Chopin prior)
Valse in A minor Op. Post.
Mazurka in A -Flat, Op.24, No.3
Mazurka in A Minor, Op.68, No.2
Prelude in E Minor, Op.28, No.4
Mazurkas Op.7, No 2; Op. 24, No1; Op.67, No.2.
Nocturnes Op.9, No.2; Op.15, No.3.
Waltzes Op.64, No.1 (?!? This must be a mistake); Op.69, Nos. 1 & 2; Op.70, No.2
Mazurkas Op.6, No.1; Op. 68, No.1
Nocturnes Op.32, No.1; Op.37, No.1; Op.55 No.1; Op. Post in C# Minor
Prelude in Db Major, Op.28, No.15
Waltzes Op.64, Nos 2 & 3; Op.70, Nos 1 & 3.
Impromptu in A-Flat Major, Op.29
Prelude in C# Minor Op.45 (A really beautiful work!)
Mazurkas Op.24/4, Op.33/3&4; Op.63/1
Nocturnes Op.9/1, Op.15/1, Op.15/2, Op.32/2, Op.72/1
Polonaises Op.26/1, Op.40/1
Mayonnaise: Any brand
Waltzes Op.18, Op.34/1, Op. Post. in E minor
ARCT (Associateship of the Royal Conservatory of Music - Toronto)
Nocturnes Op.27/1 or 2, Op.37/2, Op.48/1, Op.62/1
Preludes Op.28 (Any but 4, 6, 7, 15 and 20)
There you have it! Knock yourself out ... and have a great time pursuing your dream!
Eddy M. del Rio, MD
"A smattering will not do. They must know all the keys, major and minor, and they must literally 'know them backwards.'" - Josef Lhevinne