It is amazing how often you come back to the puzzle later and suddenly see something you missed earlier.ġ0 Q Is the aim to complete the puzzle quickly?Ī Not necessarily. If you don’t see any solution, take a break and come back later. The puzzles in the book are fiendish.Ī As you progress towards more difficult puzzles, an underlined pair reminds you that only those 2 numbers can go into that cell.Ī Go over the steps I cover in the course in order. One book I am familiar with has an average of 26 numbers per puzzle, which should be difficult but not overly so. It depends on the algorithm used to create the number configuration. Watch a future tutorial on this topic.ħ Q Is it true that a puzzle with more starting numbers is always easier than one with fewer numbers?Ī Generally, the more numbers, the easier the puzzle. ![]() That should NOT happen in a legitimate puzzle. Technically this type of puzzle is not a true puzzle. If you have 4 matching pairs, of the same numbers, which make up a rectangle, something is likely wrong. Purists claim only a mistake or a poor puzzle allows for that scenario. It is more likely you overlooked an earlier mistake. ![]() Is that possible?Ī You have a good question. It didn’t matter where I put the first 4, the others worked out perfectly. At the end, I had four matching 4/5 pairs, two in one column, two in another. I find these less messy.Ħ Q Today I solved a puzzle. Third, look for books with only one puzzle per page. Second, as you solve numbers, erase the small numbers instead of just crossing them out. First, copy the puzzle onto a large grid that you make up your self. If you purchase a book, use its designations of difficulty with caution.ĥ Q I use the puzzles in the local newspaper and find the grids so small I end up with a mess.Ī Yes, you are right. One book may call certain puzzles easy that are actually medium or difficult according to another publisher’s standards. Sudoku is based on logic.Ī I don’t recommend any specific book because publishers use different guidelines for what they term easy or hard. You may be lucky however, usually it doesn’t work. ![]() Solving a puzzle correctly motivates you to try another and to move from easy to ever harder levels.Ī Not a good idea. The challenge is satisfying and a positive way to use spare time. With patience and a touch of humility, players can tackle increasingly difficult puzzles. It improves memory and encourages logical thinking. You cannot have a number repeated in a row, column or block.Ģ Q What are the values of solving Sudoku puzzles.Ī Sudoku offers relaxation and fun while enhancing brain fitness. A All rows, columns and blocks need to have the numbers 1 to 9.
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