This modern etude by Andreas Sorg explores intricate rhythmic patterns and non-traditional harmonic structures. It is characterized by its rigorous attention to precise articulation and rhythmic layering.
The piece demands high levels of finger independence to execute the non-coincident rhythmic groupings accurately.
Comparable difficulty and character — good candidates for what to learn next.
...94... (Op.17) is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 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 ...94... (Op.17) lasts about 5 minutes.
...94... (Op.17) 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 Sonatine by Maurice Ravel, 2 Cadenzas for Piano by Ludwig van Beethoven, 13 Variations on 'Es war einmal ein alter Mann' by Ludwig van Beethoven — see the full similar-pieces list on this page.