Kolkata Hosts the 19th World Sudoku Championship and the 33rd World Puzzle Championship
Logic Masters India is hosting the combined World Sudoku and Puzzle Championship 2026 (WSPC 2026) - the 19th World Sudoku Championship and the 33rd World Puzzle Championship - at The Westin Kolkata Rajarhat from 11 to 18 October 2026, drawing the world's strongest competitive solvers. The championships run under the World Puzzle Federation, founded in 1992, which also governs the Sudoku event begun in 2006 at Lucca, Italy. India last hosted the championships at Bengaluru in 2017. The event strengthens India's record as a mind-sports host, after the 44th FIDE Chess Olympiad at Mahabalipuram in 2022 and the Candidates-level chess calendar that followed.
The World Puzzle Federation, founded in 1992, is headquartered in the Netherlands | The first World Puzzle Championship was held in New York in 1992 and the first World Sudoku Championship at Lucca, Italy in 2006 | Logic Masters India is the World Puzzle Federation's recognised member body that selects India's puzzle and sudoku teams