Generally, three of Chopin's most famous pieces include his Nocturne in E flat Major, his Prelude in D flat Major (also known as the Raindrop Prelude), and his Fantasie Impromptu. As far as "important" pieces go, Chopin has written a multitude of pieces that could be considered important, as he was a cornerstone in the Romantic era of piano music. Specific ones that come to mind are his Military Polonaise, his Ballade in g minor, and his Etude in E major (this piece is especially adventurous, even for the Romantic era. It was also Chopin's personal favorite melody).
Piano.
Chopin's music mostly illustrates the nationalism in Romantic era. He was the most prolific Polish composer. He wrote pieces exclusively to piano.
his hobbies were bungee jumping, surfing the internet and, teleporting
There are no Chopin's works originally written for horn and piano. There are some transcriptions as well as pieces using an horn in orchestral part (piano concertos and other works with orchestra).
According to Wikipedia Nocturnes Chopin constitutes 21 short piano pieces. They are generally considered to be the best short solo works for the piano.
because he composed music for only the piano that was very poetic.
Chopin's Prelude (E-Minor) is his 4th Prelude, and also called "suffocation" by a 19th century composer. It was written for the piano (piano solo). It has since been transcribed into orchestral pieces, full choir pieces, and etc.
Chopin was a prominent composer from Poland. He was important in developing the piano repertoire as a solo instrument. All of his compositions included the piano.
Well, Beethoven wrote for the piano orchestrally. Schubert wrote for the piano vocally. But possibly the first person to write for the piano truly pianistically was Frederick Chopin. There have been many others, of course, but Chopin was the first really great composer to understand, in your words, the "nature and potential of the piano as an expressive instrument".
Chopin composed for the piano. His pieces include Preludes, Nocturnes, Waltzes, four Scherzos, Etudes and a Concerto.
Franz Schubert used a flat Major quite often. Frederick Chopin used A flat Major in several of his piano piano pieces. 23 three of them to be exact. He uses A Flat Major more than any other key.
I'm most familiar that Fredric Chopin played the Piano.