Etiquette - convention or unwritten rules in an activity
Sportsmanship - confirming to the rules, spirit and etiquette of the sport
Gamesmanship - attempting to take advantage by stretching the rules
Contracttocompete - an unwritten agreement between opponents to follow and advise by the written and unwritten rules of the sport
Performanceenhancingdrugs - prohibitedsubstances or performanceenhancingdrugs that are chemical substances that alter the biochemical balance in the body