Eileen Gu takes aim at another gold medal, this time in halfpipe.

Eileen Gu during the women’s freestyle skiing halfpipe event on Thursday.Credit...Gabriela Bhaskar/The New York TimesEileen Gu, who has already won two Olympic medals in Beijing, moved her ambitions to the freestyle skiing halfpipe on Thursday.

Gu, the Californian who is competing for China, believes that the halfpipe is the best of her three events. She has already won gold in big air and narrowly missed another in slopestyle, settling for silver.

The women’s final is scheduled for Friday morning (Thursday evening in the United States).

Gu’s competition included her top rival, Kelly Sildaru of Estonia, the only other woman who competed in all three events (big air, slopestyle, halfpipe).

The…