Fairplay (emphasis on "e") is an unwritten rule of "fair play" in football and other sports. Actually, the phrase "fair play" is translated from English as "fair play".
We all know from childhood that it is not good to cheat, and the victory in a fair fight is much appreciated much higher than 1: 0 from a questionable penalty. Therefore, the principle of "fair play" for football players of world level should be the law: play honestly, and you will have respect and respect. However, in football history, there are many cases where players went to various tricks and simulations to earn a penalty or score a goal. That there is only one famous "hand of the god" Diego Maradona, which the judges for some reason did not notice.
Fairplay is in the list: Sports