In his opening match of the 2013–14 season, Chen defeated Matthew Selt 5–3 to qualify for the 2013 Wuxi Classic in China where he lost 5–2 to Ben Woollaston in the first round.[11] Chen also qualified for the Indian Open with a 4–2 win over Robert Milkins, but was beaten 4–3 by Hammad Miah. Chen did not win another match in ranking events until in qualifying for the final event of the year, the World Championship, where he beat Anthony Parsons 10–8, before losing by a reverse of this scoreline in the second round against Mark Joyce.[11] At the end of his second season Chen was ranked world number 89 and was relegated from the main tour as he was not in the top 64.[12] He entered Q School to try and earn his place back with Chen being two wins from succeeding in the first event, but he lost 4–1 to Chris Melling.[11]
2014/2015 season
Chen's 2014–15 season was restricted to appearances at the three Asian Tour events. He was beaten 4–1 by Ju Reti in the first round of the Yixing Open and saw off Liang Wenbo 4–3 at the Haining City Open, before losing 4–3 to Ross Muir in the second round. At the Xuzhou Open he beat Feng Zeyuan, but surrendered a 3–0 lead in the second round against Mark Williams to be defeated 4–3. Chen entered the 2015 Q School and came close to progressing through the first event as he won four matches to reach the final round, where he lost 4–1 to Sydney Wilson. In the second event he was knocked out in the first round 4–0 by Andy Hicks.[13]
2015/2016 season
Chen successfully progressed through the first event of the 2016 Q School by winning five matches, concluding with a 4–1 victory over David Lilley to secure a new two-year tour place.[14]
2016/2017 season
Chen won a match at the venue stage of a ranking event for the first time by defeating Ross Muir 4–1 in the first round of the Northern Ireland Open. He narrowly lost 4–3 to Michael White in the following round after having been 2–0 up.[15] His only other match win after this came at the Shoot-Out.[16]