Cheng Yuanlong (Xi’an, China) successfully solved a 4×5 Klotski puzzle using the “Shui Xie Bu Tong” layout in 2.922 seconds in Xi’an, China, on 10 January 2026. Verified by the WRCA, Cheng Yuanlong successfully broke the world record for the “Fastest Time to Solve a 4×5 Klotski Puzzle with the ‘Shui Xie Bu Tong’ Layout”.












