The puzzles for the 2009 championship were created by Stefan Heine of Germany. Stefan has significant experience with Sudoku, creating the puzzles for the past five German Sudoku Championships, publishing 25 Sudoku books in Germany, and serving as an advisor for the annual "Sudokuday of Vienna."
Every day (almost) leading up to the live National Sudoku Championship on Saturday, October 24, we will publish fresh sample puzzles created by Mr. Heine. If you haven't already done so, you should pre-register for the Championship.
October 22 - day of rest; final samples on Oct. 23.