How did Machado de Assis change the Brazilian novel?

Joaquim Maria Machado de Assis fundamentally transformed the Brazilian novel by breaking away from the prevailing Romantic conventions of his time to develop a highly original, modern narrative style.12

His influence on the genre is characterized by several key innovations:

• Narrative Technique: Machado moved beyond the documentary impulses of realism and naturalism, instead employing a sophisticated use of point of view, first-person narration, and subtle, mordant irony.2
• Structural Originality: Works such as Memórias póstumas de Brás Cubas introduced an eccentric, non-linear structure featuring free association, digressions, and an intrusive narrator who speaks from beyond the grave.12
• Psychological Depth: He shifted the focus toward complex human interiority, as seen in Dom Casmurro, where the unreliable first-person perspective forces readers to navigate the protagonist's jealousy and self-delusion.12
• Thematic Focus: While his contemporaries often focused on social evils or environmental determinism, Machado explored universal human follies, including madness, frustration, and social injustice, through a lens of deep-rooted pessimism disguised by wit and flippancy.12

By establishing these new standards, he transcended local literary schools and became a foundational figure in Brazilian literature, eventually founding and leading the Brazilian Academy of Letters.12