Y-wing Sudoku technique - Short Guide

Х-wing Sudoku technique - Short Guide

Last remaining cell - a Sudoku technique for beginners

Hidden triples - a Sudoku technique for beginners

Last free cell - a Sudoku technique for beginners

Last possible number - a Sudoku technique for beginners

Sudoku Notes - the Benefits of using Notes while solving Sudoku

Obvious singles - a Sudoku technique for beginners

Obvious pairs - a Sudoku technique for beginners

Obvious triples - a Sudoku technique for beginners

Hidden singles - a Sudoku technique for beginners

Hidden pairs - a Sudoku technique for beginners

Pointing pairs - an Intermediate Sudoku technique

Pointing triples - an Intermediate Sudoku technique

Х-wing - an Advanced Sudoku technique

Y-wing (XY Wing) - an Advanced Sudoku technique

Swordfish - an Advanced Sudoku technique