Keith also mentioned the Australian site, which is, whose "Tough" puzzles I have found to be the, well, toughest on a day-in, day-out basis. Keith mentioned Brain Bashers I've been doing some of their "Super Hard", which are interesting, but not super hard. For example, on, the hardest ones are rated "Evil", but I stopped doing them because I didn't feel they were challenging enough. Not very hard, depending on who's assigning the rating. If you want really difficult puzzles requiring multiple chains to solve, look at Ruud's SudoCue site, or the Australian Sudoku site. Gives the techniques required for each of their difficulty rankings. ![]() ![]() There are a couple of other sites I am not yet familiar with. If you understand what each thread is about, you will find many enjoyable puzzles.Īlso, if nothing is too difficult for you to consider, you will find discussions of the hardest known sudokus. Take some time with "General/Puzzle" and look at threads like "Effortless Extremes". Particulary General/Puzzle and Advanced Solving Techniques. However, I find I often use XY-wings, Unique Rectangles, etc. ![]() It seems to me they are mostly very difficult puzzles that actually could be solved with only "basic" techniques like hidden sets, block-line interactions, etc. I like the patterns and symmetries of the puzzles. I like Michael Mepham's "Diabolical" puzzles, which are published on Friday and Sunday: In the "Other Puzzles" forum on this site you will find a series of David Bodycombe's Saturday Puzzles, for example: Posted: Sat 7:21 pm Post subject: Some Sites You understand that, don’t you?īTW, is the the word “sudoku” also plural, or do you need to say “sudokus” when referring to more than one puzzle? I think just “sudoku” sounds much better, more Japanese - but then, the puzzle didn't really originate in Japan, did it? 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 :: View topic - How hard is Evil?įAQ Search Memberlist Usergroups Register
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