Sudoku Primer & Complete Reference


Sudoku How-To Training Video Index

This page has a list of sudoku training videos cross-referenced with the techniques found in each video. More videos are added all the time.

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Video Number Technique(s)
SudokuPrimer 132 Answer sheet to video 131
Hard puzzle
Quadruplets
SudokuPrimer 131 Pop-quiz
Hard puzzle
SudokuPrimer 130 4x4 sudoku
Sudoku for kids
SudokuPrimer 129 Sudoku variant
Diagonal sudoku
SudokuPrimer 128 Answer sheet to video 118
SudokuPrimer 127 Pop-quiz
Medium puzzle
SudokuPrimer 126 Diabolical puzzle
What-if technique
SudokuPrimer 125 Diabolical puzzle
Twins
Identical Twins
SudokuPrimer 124 Hard puzzle
Double row elimination
Double column elimination
SudokuPrimer 123 1-9 sudoku -or- Between 1 & 9 sudoku
SudokuPrimer 122 Puzzle by Nikoli Publishing
Expert/Difficult
SudokuPrimer 121 Charles Timmerman
Hard puzzle




SudokuPrimer 120 Killer sudoku (Latin square)
SudokuPrimer 119 Answer sheet to video 118
SudokuPrimer 118 Pop Quiz
Diabolical puzzle
SudokuPrimer 117 Subscriber request
Diabolical puzzle
Ambiguity rule (Unique rectangles)
SudokuPrimer 116 Diabolical puzzle
Hidden patterns
SudokuPrimer 115 Hard puzzle
Twins & Triplets
Quick scanning for numbers
SudokuPrimer 114 Hard puzzle
Ambiguity rule (Unique Rectangles)
SudokuPrimer 113 Hard puzzle
Unidentified twins
SudokuPrimer 112 Answer sheet for video 111
Expert puzzle
SudokuPrimer 111 Pop-quiz
Expert puzzle
SudokuPrimer 110 Another way to use twins
Diabolical puzzle
SudokuPrimer 109 Subscriber request
Expert puzzle
SudokuPrimer 108 Creatively using twins
SudokuPrimer 107 Answer sheet for video 106
medium puzzle
SudokuPrimer 106 Pop-quiz
medium puzzle
SudokuPrimer 105 Subscriber requested
Tips for solving an easy puzzle
SudokuPrimer 104 Solving tips for hard puzzle
Diagonal pattern
SudokuPrimer 103 Answer sheet to video 101
SudokuPrimer 102 Subscriber request
Using combinations of tricks to solve
SudokuPrimer 101 Pop-quiz




Video Number Technique(s)
SudokuPrimer 100 Triplets
Wall pattern
T pattern
SudokuPrimer 99 Wordoku (sudoku with letters instead of numbers)
SudokuPrimer 98 Proof that sudoku doesn't require math to solve
Wordoku (sudoku with letters instead of numbers)
SudokuPrimer 97 Ambiguity rule (Unique Rectangles)
Twins/triplets
Ghost numbers
corner sidewalk pattern
SudokuPrimer 96 Answer sheet for video #95
Quadruplets example
SudokuPrimer 95 Pop-quiz solving a hard puzzle
SudokuPrimer 94 The "Plus" pattern
SudokuPrimer 93 Thought processes solving a puzzle
SudokuPrimer 92 diabolical puzzle - answer sheet to previous pop-quiz
SudokuPrimer 91 diabolical puzzle - pop-quiz
SudokuPrimer 90 Answer sheet for SudokuPrimer video 89
SudokuPrimer 89 pop-quiz solving a hard puzzle
See next video for answer sheet
SudokuPrimer 88 pop-quiz solving a medium puzzle
SudokuPrimer 87 Offset pattern
row/column completion
SudokuPrimer 86 Pseudo-quiz
twins
ghost numbers
double-row elimination
SudokuPrimer 85 Extreme diabolical puzzle solved
Daily Telegraph 5/18/2018
What-if strategy
SudokuPrimer 84 'Answer sheet' to pop-quiz in SudokuPrimer 83 video
SudokuPrimer 83 Hard puzzle
Pop-quiz
SudokuPrimer 82 Diabolical puzzle
Pop-quiz
Quadruplets
SudokuPrimer 81 In-depth look at L patterns




Video Number Technique(s)
SudokuPrimer 80 Ambiguity rule
SudokuPrimer 79 Subscriber request
"Hardest sudoku we've seen in a newspaper"
Daily Telegraph puzzle 27 April 2018
SudokuPrimer 78 In-depth look at loner cells
Twins, triplets
Solving sections
SudokuPrimer 77 Subscriber request
Loner cells
Twins, triplets
Offset pattern
SudokuPrimer 76 Pop-quiz
SudokuPrimer 75 L pattern
SudokuPrimer 74 Twins
Triplets
SudokuPrimer 73 The "wall guarantee"
SudokuPrimer 72 Speed-scanning
Twins
Triplets
SudokuPrimer 71 Medium puzzle
Sudoku terminology - cells, rows, columns, boxes, sections, containers
Ghost numbers
Twins
SudokuPrimer 70 Easy puzzle
Basic strategies
Row, column, box completion
Solving sections
SudokuPrimer 69 Diabolical puzzle
Pseudo-quiz
SudokuPrimer 68 Hard puzzle
Pop-quiz
SudokuPrimer 67 Diabolical puzzle
Pop-quiz
SudokuPrimer 66 Diabolical puzzle
Plus pattern
Solving sections
SudokuPrimer 65 Hard puzzle
Wall pattern
SudokuPrimer 64 Medium puzzle - Sudoku To Go vol 103
Row, Column, Box completion
Corner sidewalk pattern
SudokuPrimer 63 Easy puzzle - Sudoku To Go vol 103
Row, Column, Box completion
Diagonal pattern
Plus pattern
SudokuPrimer 62 Tricks to make a hard puzzle easy
Using twins & Triplets to get a good start
SudokuPrimer 61 Pop-quiz
See if you can follow along




Video Number Technique(s)
SudokuPrimer 60 Extreme diabolical puzzle solved
Daily Telegraph 9/22/2018
Trial & Error
SudokuPrimer 59 Rotten to the core
I fill in numbers, you discover why
SudokuPrimer 58 Pseudo-quiz
Solving a hard puzzle
L pattern, wall pattern
SudokuPrimer 57 Using harder tricks in a medium puzzle
Ambiguity rule
X pattern
SudokuPrimer 56 Finding twins
two things you can do with twins
SudokuPrimer 55 easy puzzle
solving single cells
row, column, square completion
SudokuPrimer 54 pop-quiz solving a medium puzzle
harder techniques are used to solve this medium puzzle
SudokuPrimer 53 using advanced tricks to solve an easy puzzle
SudokuPrimer 52 some twins, but mostly "chipping away" at a hard puzzle using simpler techniques
SudokuPrimer 51 easy puzzle Pop-quiz
watch and see if you know why numbers go where they go
SudokuPrimer 50 Pseudo-quiz hard puzzle - why does that number go there?
SudokuPrimer 49 Pseudo-quiz diabolical puzzle - why does that number go there?
SudokuPrimer 48 Pseudo-quiz medium puzzle - why does that number go there?
SudokuPrimer 47 diabolical puzzle - Sudoku to Go volume 102
SudokuPrimer 46 hard puzzle - Sudoku to Go volume 102
SudokuPrimer 45 medium puzzle - Sudoku to Go volume 102
SudokuPrimer 44 easy puzzle - Sudoku to Go volume 102
SudokuPrimer 43 wall pattern
corner sidewalk pattern
hidden patterns
SudokuPrimer 42 offset pattern
corner sidewalk pattern
SudokuPrimer 41 hard puzzle pop quiz
watch and see if you know why numbers go where they go




Video Number Technique(s)
SudokuPrimer 40 medium puzzle pop quiz
watch and see if you know why numbers go where they go
SudokuPrimer 39 finding sets (twins, triplets, etc.) quickly
SudokuPrimer 38 Harold Nolte, video creator introduction
SudokuPrimer 37 conversely - looking at opposites
SudokuPrimer 36 twins
triplets
SudokuPrimer 35 diabolical puzzle - Sudoku to Go volume 101
SudokuPrimer 34 hard puzzle - Sudoku to Go volume 101
SudokuPrimer 33 medium puzzle - Sudoku to Go volume 101
SudokuPrimer 32 easy puzzle - Sudoku to Go volume 101
SudokuPrimer 31 gate patterns
wall patterns
offset patterns
SudokuPrimer 30 loner cells
identical twins
SudokuPrimer 29 containers defined
container examples
SudokuPrimer 28 twins, triplets, quadruplets up to nonuplets
SudokuPrimer 27 twins twins twins
SudokuPrimer 26 quadruplets
individual cells
SudokuPrimer 25 diabolical puzzle - Sudoku to Go volume 100
SudokuPrimer 24 hard puzzle - Sudoku to Go volume 100
SudokuPrimer 23 medium puzzle - Sudoku to Go volume 100
SudokuPrimer 22 easy puzzle - Sudoku to Go volume 100
SudokuPrimer 21 combinations of techniques to solve a diabolical puzzle




Video Number Technique(s)
SudokuPrimer 20 'T' pattern
finding twins and triplets quickly
SudokuPrimer 19 hard puzzle - Sudoku to Go volume 99
SudokuPrimer 18 diabolical puzzle - Sudoku to Go volume 99
SudokuPrimer 17 medium puzzle - Sudoku to Go volume 99
SudokuPrimer 16 easy puzzle - Sudoku to Go volume 99
SudokuPrimer 15 diabolical puzzle - Sudoku to Go volume 98
SudokuPrimer 14 medium puzzle - Sudoku to Go volume 98
SudokuPrimer 13 easy puzzle - Sudoku to Go volume 98
SudokuPrimer 12 hard puzzle - Sudoku to Go volume 98
SudokuPrimer 11 Sudoku to Go magazines
SudokuPrimer 10 solving an entire diabolical puzzle
SudokuPrimer 9 solving columns using twins
SudokuPrimer 8 twins, triplets
number/container relationships
SudokuPrimer 7 ghost numbers
SudokuPrimer 6 loner cells
identical twins
SudokuPrimer 5 double row/col elimination
SudokuPrimer 4 finding numbers after twins/triplets
SudokuPrimer 3 finding numbers after twins
SudokuPrimer 2 loner cells
identical twins
SudokuPrimer 1 row completion
finding twins
SudokuPrimer 0 Introduction to sudoku
Sudoku terminology
Basic sudoku rules
How to solve an easy puzzle




Sudoku - the puzzle that addicts