Técnica avançada para resolver Sudoku Difícil - Cadeias Forçadas

Link to play the example: https://f-puzzles.com/?id=y8jg56r3 Today we're going to take a look at one of my favorite techniques for getting out of tight spots in harder Sudoku puzzles: Forced Chains. I'll give an example of how it works, show how I used it in one of my videos, and explain the technique in general.