What are similarities and differences in melody, rhythm, harmony, form and texture in this three pieces?

TCHAIKOVSKY: Piano Concerto No. 1 in B-Flat Minor, Op. 23 – I. Allegro non troppo e molto maestoso – Allegro con spirito

CHOPIN: Piano Concerto No. 1 in E Minor, Op. 11 – I. Allegro maestoso

SCHUMANN: Piano Concerto in A Minor, Op. 54 – I. Allegro affettuoso