Lesson #14: Remote Pairs Sudoku Chain Strategy

First question, what is a chain? Well, I like to think of it as a “what if” scenario. A remote pair is the result of a chain, and is one of a variety of chaining strategies in sudoku. This strategy can be used to eliminate candidates and usually helps to solve harder level puzzles.

Видео Lesson #14: Remote Pairs Sudoku Chain Strategy канала Learn Something