Boxing unofficial newspaper decisions in compiling fight records for illustrative purposes only. Often, media outlets covering a match will personally score the match, and post their scores as an independent sentence in their report. Throughout the 17th to 19th centuries, boxing bouts were motivated by money, as the fighters competed for prize money, promoters controlled the gate, and spectators bet on the result. The modern Olympic movement revived interest in amateur sports, and amateur boxing became an Olympic sport in 1908. In their current form, Olympic and other amateur bouts are typically limited to three or four rounds, scoring is computed
Boxing respond that such a position is misguided opinion, stating that amateur boxing is scored solely according to total connecting blows with no award for "injury". They observe that many skilled professional boxers have had rewarding careers without inflicting injury on opponents by accumulating scoring blows and avoiding punches winning rounds scored 10-9 by the 10-point must system, and they note that there are many other sports where concussions are much more prevalent. In 2007, one study of amateur boxers showed that protective headgear did not prevent brain damage, and another found that amateur boxers faced a high risk of brain