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Ask Dr. Sudoku #10 – The Known Unknowns
Tenth in a series with puzzle solving tips. This time with advice on Fillomino puzzles and hidden polyominoes.Fillomino is one of my favorite puzzle styles, in part because it is one of the few where I...
View ArticleAsk Dr. Sudoku #11 – About that hidden contest…?
For the last couple weeks Sunday has been a day where we’ve seen a huge increase in page views, strictly because a new hint was released for the site’s first Hidden Contest. This led a few dedicated...
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Ask Dr. Sudoku #12 – The line must be drawn here
To [guess], or not to [guess], that is the question:Whether ’tis Nobler in the mind to sufferThe [Twists] and [the Turns] of outrageous [Logic],Or to take Arms against a Sea of troubles,And by...
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Ask Dr. Sudoku #13 – Puzzle Hunting
A few weeks ago Giovanni P. asked what our visitors might think about “other puzzles.” His question was specific to word puzzles, but this week I put the question to the test when I posted our first...
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Ask Dr. Sudoku #14 – Thinking in Groups
I knew when constructing puzzles for this past week that it would end up pretty tough across the board. I had certain themes in mind and when constructing for a particular goal you cannot always tailor...
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Melon’s Tapa 5 Walkthrough
This week’s Friday Tapa was a tough one, with many questions both from readers and test-solvers on what the intended logic is. This post will answer that question completely.The image below shows where...
View ArticleMore Solving Tips and Tricks
The “Ask Dr. Sudoku” series is on indefinite hiatus. If you want to know how to solve our puzzles better, including tips on notations and good heuristics, we encourage you to become a patron of the...
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