Chen Bohan (b. 5 October 2007) from Guangzhou City, Guangdong Province, China, successfully solved a 4×5 Klotski puzzle with one hand with the layout of “Hengdaolima” in 7.686 seconds in Guangzhou on 29 December 2024. Verified by the WRCA, Chen Bohan successfully broke the world record for the “Fastest Time to Solve a 4×5 Klotski Puzzle with One Hand”.