In the badminton competition of the Beijing Olympic Games, 64 athletes will compete in a singles knockout match, and finally a champion will be produced. How many games will be played in total?
北京奥运会羽毛球比赛，64名运动员进行单打淘汰赛，最后产生一名冠军，共要进行多少场比赛．
<gadget id="calculator">64 - 1</gadget>
<output>63</output>

<result>63</result>