Intrepidus et Conclusio is a contemporary solo work characterized by its sharp harmonic language and rhythmic drive. It stands out for its bold architectural structure and demanding technical gestures.
The primary challenge lies in the execution of complex, angular articulations at high speeds.
Comparable difficulty and character — good candidates for what to learn next.
'Intrepidus' et Conclusio (Op.193) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 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 'Intrepidus' et Conclusio (Op.193) lasts about 5 minutes.
'Intrepidus' et Conclusio (Op.193) 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 Boléro by Maurice Ravel, Piano Sonata No. 8 'Pathétique' by Ludwig van Beethoven, Prelude in G minor, No. 5 by Sergei Rachmaninoff — see the full similar-pieces list on this page.