Pál Hermann's writing reflects the early 20th-century Hungarian shift toward more complex, angular harmonic language. The piece is notable for its rhythmic intensity and structural rigor.
The main technical hurdle lies in the precise execution of asymmetrical rhythmic groupings and sudden dynamic shifts.
Comparable difficulty and character — good candidates for what to learn next.
Allegro for Piano is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Allegro for Piano lasts about 4 minutes.
Allegro for Piano is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Basso Ostinato, VL 267 by Mikalojus Konstantinas Čiurlionis, Capriccio cromatico con ligature al contrario, F 4.08 by Girolamo Frescobaldi, Allegro in A major by Max Reger — see the full similar-pieces list on this page.