The phrase refers to a popular sports betting system, primarily used in Italy, that focuses on a structured bankroll management strategy for "better verified" or safe-style betting. The numbers represent specific percentages or odds-based categories used to distribute stakes across different types of bets. What is "La Bibbia 50 30 40 20"?
: Destinato a scommesse a basso rischio o "raddoppi" (quote vicine a 2.00). : Utilizzato per giocate a rischio medio.