Is Chekov obsessed with death and disease or is he just inspired by the tragedies that happened in his life?
use these plays for example Chekov, Anton. The Cherry Orchard. The Cherry Orchard, Anton Chekhov, 1904, https://www.ibiblio.org/eldritch/ac/chorch.htm.
Chekov, Anton. The Lament. The Lament or Misery https://ncert.nic.in/ncerts/l/keww101.pdf.
Chekov, Anton. The Three Sisters. The Three Sisters, 1901, https://www.ibiblio.org/eldritch/ac/sisters.htm