Your First Sudoku Tutorial video demonstrates essential Sudoku game theory and terminology. And it shows the most common way people begin solving Sudoku puzzles. This way of solving Sudoku puzzles is done by only using blank cells without any pencil marks.
There are three ways most people solve Sudoku puzzles. The first way is demonstrated in Your First Sudoku Tutorial. The second way is using a pencil mark notation for helping solve the puzzle. The most popular pencil mark notation is call Snyder Notation and is demonstrated in the video below:
And the third method, my favorite, is by solving Sudoku puzzles using what I call the modern software approach. The Beginner’s Guide video below shows how to solve puzzles using the modern software approach. The video also details the 7 most commonly used puzzle-solving strategies or techniques. These 7 most common are referred to as the 7-Base Techniques in the video.
Here is link to all the dxSudoku videos on the dxSudoku YouTube channel: