Thomas Snyder is an American Sudoku master who has won multiple world championships in Sudoku. In this video, he discusses the mindset and thought processes that he uses to solve Sudoku puzzles. Here are a few lessons that we can learn from how world champion Thomas Snyder approaches Sudoku puzzles: 

Many beginner Sudoku players solve Sudoku puzzles by looking at one number at a time, one square at a time or one row or column at a time – but if you want to get better at solving Sudoku puzzles, you need to develop a broader view and learn how to eliminate numbers from multiple rows, columns or squares at the same time. This article will show you how.