The third grade students selected 8 students through the group for the final Go final. The final adopts a knockout match. How many games will it take to determine the champion, runner-up and third runner-up?
三年级同学通过小组选出8名同学进行最后的围棋决赛，决赛采用淘汰赛，要决出冠、亚、季军一共要赛出多少场？
<result>8</result>