How to Sudoku articles


A LONG AND WINDING ROAD: SOLVING THE WORLD’S HARDEST SUDOKU BY PURE LOGIC
I leapt onto Dr Arto Inkala’s World’s Hardest Sudoku Challenge as, at the time, I was busy writing my e-book, Win At Sudoku, based on three years of tough research (read: obsessive compulsive Sudoku playing!) whilst plugging away at solving all 250 puzzles in Frank Longo’s Mensa Absolutely Nasty Sudoku Series – Level One.
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SO YOU’VE CALLED IT QUITS ON SUDOKU? HELP IS AT HAND!
I am distressed, having just published the Win At Sudoku method, to find clear indications that a lot of people seem to have given up on learning how to win at this wonderful game. For every three people I ask if they like to play, at least two will reply: ‘Well I used love it, but I haven’t played for a while now...’
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WINNING AT SUDOKU: WELL BEGUN IS HALF DONE
What a wonderful moment: you’ve just got into Sudoku, the bug has bitten you quite severely and now you are zipping along, devouring every game you can find. Maybe you’ve even bought your first book of puzzles... The good news is you’ve discovered an endless source of fun that you can enjoy for the rest of your life.
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PUZZLED BY THE ADDICTIVE POWER OF SUDOKU?
A light-hearted investigation into the obsessive qualities of puzzles

People often tell me stories about how, when they first fell in love with Sudoku, they were surprised, shocked and felt sinful over the number of guilty hours ...
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WIN AT SUDOKU’S NEW PUZZLE LAYOUT REALLY DOES IMPROVE YOUR GAME
At first glance, it would seem a kinda reinvent-the-wheel idea to design a new puzzle layout. After all, everybody’s been getting along with the good ol’ standard grid for well...since the game was invented (a subject I’m keen to explore in another article). And, it is true, I have played a lot of games just fine with the standard layout.
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Win At Sudoku - The complete guide to solving Sudoku puzzles using pure logic
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Win At Sudoku e-book details Number of pages: 137
Book file size: 4,446MB
Book format: PDF

Should you not have Adobe Reader you can download it for free from Adobe's website here: http://get.adobe.com/reader/

Table of contents
TERMS & CONDITIONS
ACKNOWLEDGEMENTS AND REFERENCES
INTRO: EVOLUTION OF THE METHOD
FEEDBACK/COMMENTS/SUGGESTIONS
THE RULES OF SUDOKU
THE PUZZLE GRID ELEMENTS
SCANNING THE PUZZLE HORIZONS
GETTING TO KNOW THE NUMBERS
GETTING TO KNOW THE LAYOUT

   THE NOD BOX
   THE WORK AREAS
BUILDING UP OPTIONS
   FIXED OPTIONS
   LONG OPTIONS
   DEDUCED OPTIONS
   JOYFUL OPTIONS: TWINS, TRIPS, QUADS
   WHY JOYFUL OPTIONS MATTER
   HALF OPTIONS
   HOLDING OPTIONS
   LOVE THOSE OPTIONS!
SYMBOLS ADD VALUE
NOISE REDUCTION
GENERAL GAME STRATEGY
STEPS TO A SUCCESSFUL GAME

   STARTGAME
   MIDGAME
   ENDGAME
BIGGEST THREATS TO YOUR SUCCESS
   CARELESS MISTAKES
   UNWARRANTED CONCLUSIONS
   ZIPPING ALONG
   HUBRIS
   FALLING INTO A TRAP
ERROR ANALYSIS
STAYING ON TOP OF YOUR GAME

OTHER STUFF
   CHECKING OR CHEATING?
   BORED?
WORKED EXAMPLES
   BEFORE YOU DIVE IN...
   EXAMPLE 1 LEVEL: VERY EASY
   EXAMPLE 2 LEVEL: EASY
   EXAMPLE 3 LEVEL: MEDIUM
   EXAMPLE 4 LEVEL: MEDIUM
   EXAMPLE 5 LEVEL: HARD
   EXAMPLE 6 LEVEL: HARD
   EXAMPLE 7 LEVEL: NASTY
   EXAMPLE 8 LEVEL: NASTY
   EXAMPLE 9 LEVEL: WORLD’S HARDEST
APPENDIX A: DEFINITIONS
   AREAS - THE PUZZLE GRID ELEMENTS
   AREAS - THE LAYOUT ELEMENTS
   AREAS - RELATED AREAS and SCANNING
   NUMBERS
   SYMBOLS
APPENDIX B: RULES
   STRATEGY RULES
      RULE OF OPTIONS
      RULE OF CAN'T BE
      RULE OF EVERYTHING COUNTS
      RULE OF EVERY MOVE YOU MAKE
      RULE OF DON’T KNOW
      RULE OF REDUCTION
      RULE OF FOCUS
      RULE OF DIRECTION
   NUMBER RULES
      RULE OF ONE (Ro1)
      RULE OF TWO (Ro2) - TWINS
      RULE OF THREE (Ro3) - TRIPLETS
      RULE OF FOUR (Ro4) - QUADS
APPENDIX C: BLANK LAYOUT