What We Know and Don’t Know About the Kamila Valieva Case

Kamila Valieva of Russia will compete in the women’s short program on Tuesday.Credit...Gabriela Bhaskar/The New York TimesThe decision by arbitrators to allow the Russian figure skater Kamila Valieva to compete this week brought little clarity to the dispute over her positive test for a banned substance. Some lingering questions are unlikely to be answered for weeks, if not months.

Valieva, the 15-year-old prodigy who last week became the first woman to land a quadruple jump in competition, was crucial to Russia’s victory in the team event, and she is widely considered the favorite in the women’s individual competition that opens Tuesday night in Beijing. But the consequences of her positive…