Unfinished and Projected Works
Tchaikovsky Research
| TH | ČW | Opus | Title | Key | Description | Year |
|---|---|---|---|---|---|---|
| 201 | 446 | — | Hyperbola | Projected lyrical opera in one act | 1854 | |
| 202 | — | — | Adagio | G major | Sketches | 1860-65 (?) |
| 203 | 336 | — | Allegro | F minor | For piano | 1863-64 (?) |
| 204 | 447 | — | The Storm | Projected opera | 1864-67 (?) | |
| 205 | 448 | — | The Palm | Sketches for a projected opera | 1867-68 (?) | |
| 206 | 449 | — | Alexander of Macedon | Projected opera | 1868 | |
| — | 445 | — | Love, Until You Can Love | Transcription of a romance by Aleksandr Dubuque | 1868-70 (?) | |
| 207 | 441 | — | Mandragora | Projected fantastic opera in one act | 1869-70 | |
| 208 | 450 | — | Raimond Lully | Projected opera | 1870 | |
| 209 | 465 | — | Cinderella | Projected ballet in four acts | 1870 | |
| 210 | 467 | — | Symphony | B-flat major | Sketches | 1873 |
| 211 | 451 | — | Ephraim | Projected opera in four acts | 1875-76 | |
| 212 | 452 | — | Francesca da Rimini | Projected opera | 1876 | |
| — | 453 | — | Dobrynya Nikitich | Projected grand opera in 4 acts | 1876 | |
| 213 | 454 | — | Othello | Projected opera in four acts | 1876-77 | |
| 214 | 455 | — | Undina | Projected opera | 1878-93 | |
| 215 | 442 | — | Romeo and Juliet | Sketches for a projected opera | 1878-81 (?) | |
| 216 | 456 | — | Les Caprices de Marianne | Projected opera | 1878-93 | |
| — | 457 | — | Taras Bulba | Projected opera in 5 acts | 1878 | |
| — | 511 | — | Duet | Sketches for the Six Duets, Op. 46 | 1880 | |
| 217 | — | — | Nessun maggior dolore | Sketches | 1881-85 (?) | |
| 218 | 458 | — | Vanka the Steward | Projected opera | 1881-82 | |
| 219 | — | (20a) | Swan Lake | Projected suite from the ballet | 1882 | |
| 220 | — | — | Alyosha and the Laundress | Sketches | 1883 | |
| 221 | 483-500 | — | Children's Songs | Sketches for the Sixteen Songs for Children, Op. 54 | 1883 | |
| — | 459 | — | The Gypsies | Projected opera | 1884 | |
| 222 | — | — | Imitation Russian Song | Sketches | 1884 (?) | |
| 223 | 460 | — | The Captain's Daughter | Projected opera | 1885-88 | |
| 224 | 475 | — | Etude | A minor | Sketch | 1885 |
| 225 | 501-502 | — | Two Songs | Sketches for the Six Romances, Op. 63 | 1886-87 | |
| 226 | 455 | — | Undina | Projected ballet | 1886-87 | |
| 227 | — | — | Song of Triumphant Love | Sketches | 1887 | |
| 228 | 476 | — | Valse | E major | Sketch | 1887 |
| 229 | 503-509 | — | French Songs | Sketches for the Six French Songs, Op. 65 | 1888 | |
| 230 | 461 | — | The Bayadere | Projected opera in three acts | 1888 | |
| 231 | 462 | — | La Courtisane (or Sadia) | Projected opera in three acts | 1888-91 | |
| 232 | 469 | — | Suite | D minor | Sketch | 1889 (?) |
| 233 | 463 | — | Béla | Projected opera in 4 acts | 1889-93 | |
| 234 | — | (66a) | The Sleeping Beauty | Projected suite from the ballet | 1890 | |
| — | 466 | — | Watanabe | Projected opera-ballet in 4 acts | 1891 | |
| 235 | 471 | — | Concerto for Two Pianos | Projected Work | 1891-92 (?) | |
| 236 | 481 | — | Cello Sonata | G major | Sketch | 1891 |
| 237 | 512 | — | Do Not Wake, My Friend | A minor | Sketch | 1891-92 |
| 238 | 443 | — | Symphony | E-flat major | Sketches | 1892 |
| 239 | 477 | — | Nocturne | B major | Sketch | 1893 |
| 240 | 478 | — | Etude | E-flat major | Sketch | 1893 |
| 241 | 444 | (79) | Andante and Finale | Sketches for piano with orchestra | 1893 | |
| 242 | 479 | — | Momento lirico | G major | Sketches | 1893 |
| 243 | 470 | — | March | On Belorussian and Ukrainian folk tunes | 1893 | |
| 244 | — | — | The Sad Fortunes of the Reverend Amos Barton | Projected opera | 1893 | |
| 245 | 464 | — | Mr Gilfil's Love Story | Projected opera | 1893 | |
| 246 | — | — | Adam Bede | Projected opera | 1893 | |
| 247 | 472 | — | Flute Concerto | C major | Sketches | 1893 |
| 248 | — | — | Pieces for Violin | Projected works | 1893 | |
| 249 | 473 | — | Cello Concerto | B minor | Sketches | 1893 |
| 250 | 510 | — | An Intricate Case | Sketches | unknown | |
| 251 | — | — | Eternity in an Instant | Sketches | 1893 | |
| 252 | 482 | — | Waltz | E major | Fragment of a piece with cello | (?) |
| 253 | — | — | Fragments | Unidentified sketches found with the Waltz | (?) |
