This contemporary piece represents a highly individualized exploration of keyboard sonorities. It is distinct for its angular harmonic language and unorthodox use of the piano's resonance.
Navigating wide-span chords with accuracy is the primary technical hurdle.
Comparable difficulty and character — good candidates for what to learn next.
102 is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7.
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.
102 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 1AbAcAbA by Sergio Aarón Pérez, 114 by Sergio Aarón Pérez, 'The King of the Jews' - Incidental Music by Alexander Glazunov — see the full similar-pieces list on this page.