2017 world women's curling championship fight on a team that has "unbeaten golden body" - Canada. The team led by captain Rachel horman, even take 13 games and win the title, is rare in the history of the world athletics championships. Long-term practice and data analysis may be the keys to the team to win. Canada curling is equipped with the Canadian team ranking system, include in the women's tournament in 2016-2017 season there were...