dxSudoku #58 Part I Creating Puzzles from Scratch - Seed Puzzles

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dxSudoku #59 Part II Creating Puzzles from Scratch - Puzzle Creation

(16:37)

dxSudoku #38 Swordfish Puzzle Solving Technique

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dxSudoku #11 Hidden Triple and How To Find Them

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dxSudoku #16 Hard Puzzle #1 W-Wing, Empty Rectangle

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dxSudoku #63 Snyder Notation

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The Simple Trick For Hard Sudokus

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Sudoku Tutorial #98 The power of triplets and matching pairs.

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Best XY-Wing Video Ever! Sudoku Advanced Tutorial 16

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Sudoku Tutorial # 88 The many tricks for Matching Pairs.

(29:43)

Discover The Squares Under The Sudoku Fog

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Triples: the Single Most Important Sudoku technique?

(20:10)

Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.

(35:35)

Computers Cannot Understand This Sudoku. Can A Human?

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Sudoku 101: The Swordfish

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Sudoku. Tutorial #23 Hidden Matching pairs and other techniques.

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dxSudoku #7 Types of Triples

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dxSudoku Quick Video #2 Hidden Single

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dxSudoku #57 Naked Quad

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dxSudoku #67 Part II XY-Chain Puzzle Solving Technique

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dxSudoku #73 Improved X-Chain Search Algorithm

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dxSudoku #55 Types of Sudoku Links

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dxSudoku #101 Sue de Coq 4-Cell Type

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dxSudoku Quick Video #7 Naked Triples

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Tutorial 58. Hard sudoku puzzle with lots of techniques.

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dxSudoku #10 Old Version

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