Zhou takes advantage of Chen's struggles at Skate America

Vincent Zhou, center, reacts after receiving his final scores in the mens free skate at the Skate American figure skaint event Saturday, Oct. 23, 2021, in Las Vegas. (AP Photo/David Becker)

Alexandra Trusova, of Russia, performs during the women's short program at the Skate America figure skating event Saturday, Oct. 23, 2021, in Las Vegas. (AP Photo/David Becker)

Nathan Chen performs during the men's short program at the Skate America figure skating event Friday, Oct. 22, 2021, in Las Vegas. (AP Photo/David Becker)

Second-place Shoma Uno, of Japan; first-place Vincent Zhou; and third-place Nathan Chen, from left, pose for a photo after the men's competition at the Skate America figure skating event Saturday, Oct. 23, 2021, in Las Vegas. (AP Photo/David Becker)

Daria Usacheva, of Russia, performs during the women's short program at the Skate America figure skating event Saturday, Oct. 23, 2021, in Las Vegas. (AP Photo/David Becker)

Kseniia Sinitsyna, of Russia, performs during the women's short program at the Skate America figure skating event Saturday, Oct. 23, 2021, in Las Vegas. (AP Photo/David Becker)

Vincent Zhou reacts after receiving his final scores in the mens free skate at the Skate American figure skaint event Saturday, Oct. 23, 2021, in Las Vegas. (AP Photo/David Becker)

Amber Glenn performs during the women's short program at the Skate America figure skating event Saturday, Oct. 23, 2021, in Las Vegas. (AP Photo/David Becker)