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Tag Archives: solving tips
Swordfish
A while ago I explained the X-Wing solving technique. Recently I shown my explanation of other basic, Classic Sudoku solving techniques. The only remaining solving method that I don’t consider trial and error is Swordfish. So, to complete the list of Sudoku solving tips, here is an example of a Sudoku puzzle that can be […]
Posted in Solving tips
Also tagged Classic Sudoku, IQ, Perfect Sudoku, solving technique, solving tip, sudoku solving technique, swordfish, technique, x-wing
34 Responses
Samurai Sudoku rules
I’ve been asked a few times to post some Samurai sudoku solving tips. Well – there aren’t any special tips that apply exclusively to Samurai. Standard Sudoku rules apply, but to make things clear for newcomers, I’d like to give a brief set of instructions. Rules of Samurai Sudoku 1. Each Samurai Sudoku puzzle consists […]
Posted in Samurai sudoku, Solving tips
Also tagged Classic Sudoku, HARD, hidden subsets, instructions, interactions, IQ, rules, samurai, Samurai Sudoku, solving tip, standard sudoku, SUBSETS, suggestions, swordfish, technique, x-wing
48 Responses
Welcome new visitors!
Yesterday there was a post at blogs.guardian.co.uk about Killer Sudokus and a link to our site was posted. As a consequence, we’ve had some 600 referrals from that post within 12 hours (and overnight too)! I’d like to welcome our new visitors and to suggest them to go through the previous messages posted here – […]
Posted in General
Also tagged BOOK, Classic Sudoku, EASY, innie, INNIES, innies and outies, killer, killer sudoku, Killer Sudokus, outie, OUTIES, rules, solving tip, sudoku book
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Complex innies/outies
One of our visitors (Phyllis) asked about the puzzle posted on October 13. Now, this puzzle definitely doesn’t need any trial and error to be solved – in fact it’s only rated as “thinker”. However, it requires a technique that in the new version of Perfect Sudoku will be called “complex innies/outies”. It is basically […]
Posted in Free sample puzzles, Solving tips
Also tagged innie, INNIES, IQ, outie, OUTIES, Perfect Sudoku, solving tip, standard sudoku, technique, THINKER
3 Responses