According to a school of thought, it takes roughly 20 hours per week of practice to become a successful professional in any discipline. It would be ideal if a child, aspiring to become a Grand Master, can practice chess 2 hours a day during weekdays/schooldays and around 4 hours on weekends. Chess being an individual sport, a player should learn to think for himself/herself and take tough decisions all by himself/herself. Regular individual work will help improve these qualities greatly! The importance of home work in chess cannot be emphasized enough.