This World Cup, featuring 48 teams, has witnessed some very interesting clashes. Lower-ranked teams are putting up impressive performances against the world's top teams.Cape Verde, Curacao, Ghana, and South Africa, ranked 64th, 81st, 65th, and 54th respectively in the FIFA rankings, have so far managed to snatch points from strong teams like Spain (third), Ecuador (29th), England (fourth), and South Korea (28th).Are these surprising results seen in the initial stages merely a game of luck or the result of skillful planning and excellent execution?A closer look at the matches that produced unexpected results reveals some common patterns.Avoiding the Opponent's TrapThe...