This is the 504th most frequent Spanish word.
menores
"Menores" means "minors" or "younger" in English, depending on context.
Here, 'menores' is used in a comparative sense to denote age being 'less than' a certain value.
Los niños menores de diez años no pueden entrar solos.
Children under ten years old cannot enter alone.
In this sentence, 'menores' describes a quantitatively smaller amount, referring to the chances.
Ellos tienen menores chances de ganar debido a su inexperiencia.
They have fewer chances of winning due to their inexperience.
Here, 'menores' refers to individuals who are legally below the age of adulthood, denoting a specific group.