WPF Grand Prix 16
WPF Sudoku Grand Prix 2016
WCPN (actually: Richard Stolk & Arvid Baars) created all the puzzles for the first WPF Sudoku Grand Prix in 2016.
WPF Sudoku GP 16 Puzzles
WPF Sudoku GP 16 Solutions
WPF Puzzle Grand Prix 2016
WCPN (actually: Bram de Laat) created all the puzzles for the 7th WPF Puzzle Grand Prix in 2016.
WPF Puzzle GP 16 Puzzles part 1 – casual
WPF Puzzle GP 16 Puzzles part 2 – competitive