Pan Heran (Quanzhou, China) successfully solved a 4×5 Klotski Puzzle blindfolded using the “Zhu Ge Yu Shan” layout in 1.371 seconds in Quanzhou, China, on 6 February 2026. Verified by the WRCA, Pan Heran successfully set a world record for the “Fastest Time to Solve a 4×5 Klotski Puzzle Blindfolded with the Zhu Ge Yu Shan Layout”.












