 His last play was "Polyxena" (1809), variously assessed as the finest sentimental tragedy in the language and the best Russian tragedy on the French classical model.The production of "Polyxena" turned out to be a flop, largely due to intrigues adding to Ozerov's literary woes.He was forced to leave St. Petersburg for his country estate near Zubtsov, where he reportedly went mad and burnt all his papers.