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to the SudokuCup - an online sudoku site where you can solve classic sudoku or variant puzzles every day!

Classic Sudoku (17/07/2017 and 18/07/2017)
Daily variant (30/03/2016) - Diagonal Windoku (game canceled)
Daily variant in Guest League (TLoELaG 07/02/2016) - Serbian Frame Sudoku (game canceled)
Sudokucup.com outage during today (04/02/2016)
WPF Puzzle GP1 2016 - How the winner solved it (video)
Daily variant in Guest League (TLoELaG 09/01/2016) - Sum Sandwich (game canceled)
The League of Extraordinary Ladies and Gentlemen (10/09/2015) - puzzle inserted
The League of Extraordinary Ladies and Gentlemen (08/08/2015) - puzzle inserted
Czech Sudoku Championship 2015
The League of Extraordinary Ladies and Gentlemen (07/03/2015) - puzzle inserted