This is the 8974th most frequent Russian word.
рамешбабу
It seems "рамешбабу" is not a standard Russian word. It may be a misspelling or a name.
This usage shows 'Рамешбабу' as a proper noun, specifically a name of a person who engages professionally in chess.
Рамешбабу занимается шахматами на профессиональном уровне.
Rameshbabu practices chess professionally.
Here, 'Рамешбабу' is used in the accusative case, as the direct object of the verb 'попросила'.
Мама попросила Рамешбабу прийти домой пораньше.
Mom asked Rameshbabu to come home earlier.
In this sentence, 'Рамешбабу' is used in the nominative case as the subject of the verb 'любит'.