Peng began playing chess at the age of 8. He moved from his hometown of Panzhihua to Chongqing at age 11 to concentrate on chess.[3]
Similar to Gata Kamsky and Wang Hao, Peng became a grandmaster without first gaining the International Master title. He achieved his GM norms at the:[1]
- Hainan International Open in December 2016
- GM Round Robin, Orbis in July 2019
- Hunan International Chess Open in August 2019
In December 2016, Peng finished 6th out of a field of 30 players in the Hainan Dhanzhou International Open Tournament, despite being both an untitled player and the 29th seed.[4]
In April 2017, Peng finished tied for second at the Shanghai Haiwan Cup with Liu Yan and Wang Tongsen.[5]
In June 2020, Peng finished 5th at the Asian Juniors Online Chess Championship.[6]
In July 2023, Peng finished 4th at the 56th Biel MTO Chess Festival and earned an IM norm after drawing against Bu Xiangzhi in the final round.[7]