Chen capitalised on his overnight lead to win the Rostelecom Cup at the Megasport Arena.

He posted a score of 100.54 points after the men's short skate programme.

The Four Continents champion scored a season’s-best 193.25 today to finish second in the free skating but his total score of 293.75 was enough to hold off reigning Olympic champion Yuzuru Hanyu of Japan.

“The beginning half of my programme I was very happy with,” the 18-year-old US champion said.

“I hit all the quads and I think I did them relatively well.

"I got a little tired halfway through the programme and started faltering a little bit on the second quad toe – that was a big mistake.

"But this is my first Grand Prix win and I’m very happy with that.”

Hanyu, also a two-time and reigning world champion, earned a season’s-best 195.92 today for an overall total of 290.77.

Russia's Mikhail Kolyada, the European Championships bronze medallist, achieved a season’s best 185.27 today to move up from fourth to take his first Grand Prix medal with 271.06.

In the women's event, world champion Evgenia Medvedeva of Russia claimed gold.

The two-time European champion recovered from a rare fall on a double axel, continuing as if nothing had happened to set a new season’s best with 150.46 for a total of 231.21.

“I think I did a good job,” the ISU Grand Prix final champion said.

“There were some mistakes, most notably on the last jump.

"It was a kind of moral weakness – I let out my joy too early.

"But it was a useful mistake and I will learn from it.”

Italy's Carolina Kostner, the five-time European champion, earned a season’s-best 141.36 for a total of 215.98.

Japan’s Wakaba Higuchi landed six triples in her dynamic routine.

The two-time world junior bronze medallist scored 137.57 today to remain in third place with a total of 207.17.

Russia claimed a clean sweep in the pairs competition.

Evgenia Tarasova and Vladimir Morozov produced a quadruple twist, side by side triple toe-double toe combination, an excellent throw triple Salchow and level-four lifts to score a personal best 147.37, which added up to 224.25 overall.

Ksenia Stolbova and Fedor Klimov had a shaky start into their routine when Stolbova stepped out of the throw triple flip and fell on the triple toe, but she recovered to land a side-by-side triple Salchow and strong lifts.

However, she went down again later on but the Russian champions achieved a season’s-best 133.04 and remained in second place with a total of 204.43.

Kristina Astakhova and Alexei Rogonov posted a new personal best of 131.97 for a 199.11 total to claim the third Grand Prix series bronze medal of their career.

American brother and sister duo Maia and Alex Shibutani won the ice dance event, placing first in both the short and free dances.

The 2017 World Championships bronze medallists earned 111.94 today to collect a total of 189.24.

Two Russian couples took silver and bronze.

Ekaterina Bobrova and Dmitri Soloviev took silver on 184.74 while compatriots Alexandra Stepanova and Ivan Bukin rounded out the podium on 179.35, a personal best.