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.
[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.