These average the same, although both of them hold a run of meanings. They could signify that you’re improve at tennis than former masses in the room, or on the team, brand new porn site sex or at your school, or in the mankind. Alternatively, they could miserly that you’re meliorate at tennis than at whatsoever of the former sports you dally – without specifying that you’re meliorate at tennis than former masses.
“She walks most gracefully” could be a synonym for “She walks very gracefully”. But “she walks most gracefully” could as well be victimised to hateful “she walks the most gracefully”. So, the variation without the “the” carries both meanings (or sets of meanings). “She walks the most gracefully.” She is compared to early multitude. Alternatively, it could think that she walks to a greater extent graciously than she performs other activities – this is unusual, only would be clean from the circumstance.