This is another variation of the name spelling for Kirchhoff, whose works remain largely in the shadow of his contemporary, J.S. Bach. The D major Fantasia and Fughetta is a technically accessible piece that rewards focused, contrapuntal study.
At Henle 3 this is a late-beginner piece — comfortable hands-together playing is assumed, and musical shaping starts to matter. The main demands: independent voices that must each sing on their own line; ornaments that need to sound effortless, not squeezed in; and fine finger independence within the hand.
Beyond that, expect precise articulation — the difference between crisp and blurred is the piece.
Emphasis should be placed on voicing to ensure the subject is heard clearly within the texture.
Comparable difficulty and character — good candidates for what to learn next.
A level or two down with the same spirit — ideal if this piece is still out of reach.
Where this piece's skills lead: slightly harder works making similar technical demands.
Fantasia and Fughetta in D major is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Fantasia and Fughetta in D major lasts about 3 minutes.
Fantasia and Fughetta in D major 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 Fantasia and Fughetta in B-flat major by Gottfried Kirchoff, Courante (from French Suite No. 2 by Johann Sebastian Bach, Fantaisie, OL 48 by Louis Couperin — see the full similar-pieces list on this page.