Germany's second Stella Heiss delivers a stone during her curling round robin game against Sweden at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Germany's second Stella Heiss (C) watches as her team mates Daniela Driendl (L) and Pia-Lisa Schoell sweep during their curling round robin game against Sweden at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Japan's third Sayaka Yoshimura (C) watches as her team mates Anna Ohmiya (L) and Kaho Onodera sweep during their curling round robin game against Switzerland at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Switzerland's third Nadine Lehmann delivers a stone as her teammate Nicole Schaegli sweeps during their curling round robin game against Japan at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Switzerland's lead Nicole Schwaegli (L) and second Marisa Winkelhausen sweep during their curling round robin game against Japan at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Scotland's skip Eve Muirhead delivers a stone during her team's curling round robin game against Denmark at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Denmark's skip Lene Nielsen instructs her team mates during their curling round robin game against Scotland at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Scotland's skip Eve Muirhead delivers a stone during her team's curling round robin game against Denmark at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Finland's skip Sanna Puustinen (C) delivers a stone as her team mates Oona Kauste (L) and Marjo Hippi sweep during their curling round robin game against Canada at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Canada's Dawn McEwen (top L) and Jill Officer (top R) watch as Finland's Sanna Puustinen shouts to her team mates during their curling round robin game at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Switzerland's Nadine Lehmann instructs her team mates during their curling round robin game against Germany at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Switzerland's Nadine Lehmann (C) delivers a stone as her teammates Nicole Schwaegli (L) and Marisa Winkelhausen sweep during their curling round robin game against Germany at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Scotland's skip Eve Muirhead delivers a stone during her curling round robin game against Canada at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Switzerland's skip Alina Paetz instructs her teammates during their curling round robin game against Germany at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Canada's skip Jennifer Jones instructs her teammates during their curling round robin game against Scotland at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Finland's skip Sanna Puustinen delivers a stone during her curling round robin game against Denmark at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Canada's skip Jennifer Jones instructs her team mates during their curling round robin game against Scotland at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Canada's third Kaitlyn Lawes delivers a stone during her curling round robin game against Scotland at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Scotland's skip Eve Muirhead delivers a stone during her curling round robin game against Canada at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Finland's skip Saana Puustinen delivers a stone as her teammate Oona Kauste sweeps during her curling round robin game against Denmark at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Japan's third Sayaka Yoshimura (C) delivers a stone as her team mates Anna Ohmiya (L) and Kaho Onodera sweep during their curling round robin game against Scotland at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Japan's second Kaho Onodera (C) instructs her teammates Anna Ohmiya (L) and Sayaka Yoshimura while they sweep during their curling round robin game against Scotland at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Canada's lead Dawn McEwen delivers a stone during her curling round robin game against Sweden at the World Women's Curling Championships in Sapporo March 15, 2015. (Photo by Thomas Peter/Reuters)

Finland's skip Saana Puustinen (C) delivers a stone as her team mates Marjo Hippi (R) and Oona Kauste prepare to sweep during their curling round robin game against Germany during the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Finland's skip Saana Puustinen instructs her team mates after delivering a stone during their curling round robin game against Germany during the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Denmark's Charlotte Clemmensen (L) and Jeanne Ellegaard watch their opponents play during their curling round robin game against Switzerland during the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

China's skip Sijia Liu instructs her team mates after delivering a stone during their curling round robin game against Canada during the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Germany's skip Daniela Driendl delivers a stone during her curling round robin game against Finland during the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Scotland's 3rd Anna Sloan shouts to her team mates during her team's curling round robin game against Denmark at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

Germany's third Analena Jentsch delivers a stone during her curling round robin game against Finland during the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

A Canada supporter watches the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Canada's skip Jennifer Jones instructs her team mates after delivering a stone during their curling round robin game against China during the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Sweden's fourth Maria Prytz instructs her team mates during their curling round robin game against Russia at the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Russia's skip Anna Sidorova (L) instructs her team mates Ekaterina Galkina (2nd R) and Alexandra Saitova (R), as Sweden's fourth Maria Prytz watches, during their curling round robin game at the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Russia's Ekaterina Galkina instructs her teammates after delivering a stone during their curling round robin game against Sweden at the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

China's skip Sija Liu (back L) instructs her team-mates Jinli Lui (front on L) and Yinlun Jiang as Switzerland's skip Alina Paetz (back R) watches during their curling round robin game at the World Women's Curling Championship in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Russia's Anna Sidorova delivers a stone as her teammates Alexandra Saitova and Ekaterina Galkina sweep during their curling round robin game against Sweden at the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Russia's Alexandra Saitova watches her delivery during her team's curling round robin game against Sweden at the World Women's Curling Championships in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Germany's skip Daniela Driendl (R) and third Analena Jentsch talk between ends during their curling round robin game against the U.S. at the World Women's Curling Championship in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Russia's Anna Sidorova delivers a stone during their curling round robin game against Sweden at the World Women's Curling Championship in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Japan's third Sayaka Yoshimura (C) directs her team-mates Anna Ohmiya (L) and Kaho Onodera as they sweep during their curling round robin game against Finland at the World Women's Curling Championship in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Canada's skip Jennifer Jones delivers a stone during their curling round robin game against Russia at the World Women's Curling Championship in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Canada's skip Jennifer Jones (L) instructs her team-mates Dawn McEwen and Jill Officer (R) as they sweep during their curling round robin game against Russia at the World Women's Curling Championship in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)

Russia's Ekaterina Galkina (2nd R) and Alexandra Saitova (R) watch Canada's skip Jennifer Jones (L), Dawn McEwen and Jill Officer (2nd L) during their curling round robin game at the World Women's Curling Championship in Sapporo March 16, 2015. (Photo by Thomas Peter/Reuters)