Howald Carole (C) of Switzerland competes during the women's match at the International Curling Elite 2019 between Estonia and Switzerland in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019. (Photos: Xinhua)

Kaegi Gerli of Estonia competes during the women's match at the International Curling Elite 2019 between Estonia and Switzerland in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Berset Stefanie (L) and Stritt Jana Annika of Switzerland competes during the women's match at the International Curling Elite 2019 between Estonia and Switzerland in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Kim Kyeongae (L) of South Korea competes during the women's match at the International Curling Elite 2019 between Canada and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Kayla Skrlik (C) of Canada competes during the women's match at the International Curling Elite 2019 between Canada and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Laurens Hoekman (L) of the Netherlands competes during the men's match at the International Curling Elite 2019 between Russia and the Netherlands in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Sydney Mullaney (R) of the United States competes during the women's match at the International Curling Elite 2019 between China and the United States in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Hope Sunley (R) of Canada competes during the women's match at the International Curling Elite 2019 between Canada and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Sergei Glukhov (L) of Russia competes during the men's match at the International Curling Elite 2019 between Russia and the Netherlands in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Klara Hermine Emma Fomm of Germany competes during the women's match at the International Curling Elite 2019 between Germany and Russia in Xining, capital of northwest China's Qinghai Province, Dec. 09, 2019.

Sydney Mullaney (R) of the United States competes during the women's match at the International Curling Elite 2019 between China and the United States in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Carlo Glasbergen (R) of the Netherlands competes during the men's match at the International Curling Elite 2019 between Russia and the Netherlands in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Wouter Goesgens of the Netherlands competes during the men's match at the International Curling Elite 2019 between Russia and the Netherlands in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Kovaleva Alina of Russia competes during the women's match at the International Curling Elite 2019 between Germany and Russia in Xining, capital of northwest China's Qinghai Province, Dec. 09, 2019.

Rodgers Rebecca Ann of the United States competes during the women's match at the International Curling Elite 2019 between China and the United States in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Sydney Mullaney of the United States competes during the women's match at the International Curling Elite 2019 between China and the United States in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Kim Kyeongae of South Korea competes during the women's match at the International Curling Elite 2019 between Canada and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Jentsch Analena of Germany competes during the women's match at the International Curling Elite 2019 between Germany and Russia in Xining, capital of northwest China's Qinghai Province, Dec. 09, 2019.

Kim Yeongmi (R) of South Korea competes during the women's match at the International Curling Elite 2019 between Canada and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Stritt Jana Annika of Switzerland competes during the women's match at the International Curling Elite 2019 between Estonia and Switzerland in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Fredrik Carlsen of Sweden competes during the men's match at the International Curling Elite 2019 between Sweden and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Arsenkina Galina of Russia competes during the women's match at the International Curling Elite 2019 between Germany and Russia in Xining, capital of northwest China's Qinghai Province, Dec. 09, 2019.

Carlo Glasbergen of the Netherlands competes during the men's match at the International Curling Elite 2019 between Russia and the Netherlands in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Kuzmina Ekaterina (L) and Arsenkina Galinaof Russia compete during the women's match at the International Curling Elite 2019 between Germany and Russia in Xining, capital of northwest China's Qinghai Province, Dec. 09, 2019.

Hope Sunley of Canada competes during the women's match at the International Curling Elite 2019 between Canada and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Laurens Hoekman of the Netherlands competes during the men's match at the International Curling Elite 2019 between Russia and the Netherlands in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Elmik Kaidi of Estonia competes during the women's match at the International Curling Elite 2019 between Estonia and Switzerland in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Wouter Goesgens of the Netherlands competes during the men's match at the International Curling Elite 2019 between Russia and the Netherlands in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.

Kim Eunjung of South Korea competes during the women's match at the International Curling Elite 2019 between Canada and South Korea in Xining, capital of northwest China's Qinghai Province, Dec. 9, 2019.