It definitely matters in sports betting. The longer you bet a particular league or sport, the more you'll know about the players, teams, important statistics, trends, and so on within that sport. If you know a lot about a sport and a certain league, sports betting can be quite profitable since the bookies often get the lines wrong for more obscure games.
i think OP ask about dice and roullete ( first page ) and maybe some experienced player can't do anything in no luck in game like dice and roullete