Professional foul Professional foul In various sports, a professional foul is a deliberate act of foul play intended to bring about an advantage for the perpetrator's team. Professional fouls are usually committed to prevent an opponent from scoring. In association football, a professional foul involves a defender fouling an attacking player in order to prevent them from scoring, or a handball offence that denied an obvious goal-scoring opportunity. The resulting free kick or penalty may offer the attacking team a lower chance of scoring than the original playing position, and the defending player therefore has an incentive to tactically foul the attacking
Strategic move Strategic move A strategic move in game theory is an action taken by a player outside the defined actions of the game in order to gain a strategic advantage and increase one's payoff. Strategic moves can either be "unconditional moves" or "response rules". The key characteristics of a strategic move are that it involves a "commitment" from the player, meaning the player can only restrict her own choices, and that the commitment has to be "credible", meaning that once employed it must be in the interest of the player to follow through with the move. Credible moves should also be