![]() ![]() It’s just that I find myself still, well, craving more. Anyway I really like this site, the detailed explanations given in some of the forum posts are absolute models of clarity for this type of thing, better and more comprehensive even than a recent Scientific American article I read on the subject. It’s been a real eye-opener discovering that all the techniques I painstakingly worked out for myself have in fact all long since been cataloged, thoroughly documented, and given fancy names - although I suppose I should have expected that, given the puzzle’s popularity. I learned sudoku from the puzzles in the local newspaper, using just pencil and eraser. My favorites so far from this site have been the May 29 and July 8 puzzles. Basically I'm asking for recommendations, either of particular very hard sudoku puzzles you think I might enjoy, or of other places where I might find such puzzles. ![]() requiring x-wing and similar advanced techniques). I mean, how hard is Evil, and is that more or less easy than Fiendish? Finding stuff at just the right difficulty level is proving to be, well, difficult.ĭon't get me wrong, I love this site - it's a superb resource and there’s some great stuff in the archives, which I’ve been working through - it's just that from browsing this forum I gather that the puzzles labeled Very Hard have only recently been upgraded to the kind of high difficulty level I now find I like best (i.e. It’s difficult to compare from site to site when different sites have not only different skill levels but different names for their skill levels. I was wondering if anyone could point me to some other online sources that have sudoku that are about as hard as the Very Hard puzzles here, or maybe even a bit harder. Posted: Sat 5:39 pm Post subject: How hard is Evil? Profile Log in to check your private messages Log in To print multiple puzzles, there are special pages to print two, four, or six puzzles per :: View topic - How hard is Evil?įAQ Search Memberlist Usergroups Register Guessing is never required - but it may help! Each puzzle has a unique solution and can be solved with pure logic. The position is saved as 81 digits at the end of the URL string, with hyphens used for empty cells.Įxtreme Sudoku posts five new puzzles every day. To save any position, right-click on under the grid, and click Add To Favorites or Bookmark This Link. You can add symbols too, such as question marks. If you prefer to enter your own pencilmarks, up to six digits can be entered in each cell. These update by themselves as you solve particular cells and cannot be edited manually. ![]() There are automatic pencilmarks that appear if you check the Pencilmarks box. So it's possible to have incorrect digits that don't conflict, but eventually you will get stuck. The Show Conflicts button does not apply the solving logic - just checks whether there are any conflicting digits already in the grid. To print the puzzles use either the Print button below the grid, or if you want to print the pencilmarks as well, use the browser Print option under the File menu. ![]() See our guide to solution rules for hard sudoku puzzles.Īll the puzzles on this site rate a "fiendish" category, but then we picked the hardest, and graded them in five progressively more difficult categories: Evil, Excessive, Egregious, Excruciating, and Extreme, in order from least difficult to most difficult. Difficulty depends on the type of steps required to solve them, and also on the number of each type of step. Solving these puzzles is a different matter entirely, since these are the most difficult puzzles we create. Each row, column, and 3 x 3 box must contain only one of each of the 9 digits. Just place the digits from 1 to 9 in each empty cell. Then try some of our very hard sudoku puzzles. ![]()
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