Hopefully, analysis of these pathological puzzles will help us find new patterns that can be used to solve them "humanely". Quite frankly, any puzzle that requires techniques like tabling or ultracoloring is so difficult as to be unratable as anything other than "ballbuster" (or to be fair to the ladies, a "titwringer"). So from a practical standpoint, it's probably tougher. It's a High quality extremely difficult Sudoku Puzzle that is daily curated Just for the best of the best Evil-level Sudoku puzzles are a mystery and only the most skilled players can solve them. The "toughest known puzzle", at the same settings, requires multiple rounds of tabling and bowman bingo. The claim that this is the worlds hardest sudoku puzzle was actually made by the author, and popularized by the media. Our Expert level Evil online Sudoku puzzles: Try to solve the all-mighty Evil web Sudoku, also known as Killer Sudoku or Very Hard sudoku. A total of 35348 implications about the puzzle were generated and examined in order to find these inferences - you'd run through several pencils working them out by hand! * Made progress using Trebor's Tables to find inferences about the puzzle. When you have used it some times youll be able to solve it on your own and go step by. Nick's is a tough puzzle, but with tabling at the standard settings (no aggressive forces and pins, non-exhaustive), it only requires 1 round of tabling and 35K inferences before enough is found to crack the puzzle. No known puzzle can stump the Sussers heuristic deduction engine. wrote:According to these results, by the metric you propose, the sudoku you're calling the "toughest known", isn't. It is a good helper because It can give you hints on how to proceed, or solve the puzzle by human-style logic, with detailed explanations of the steps. To play 24/7 Sudoku, employ the basic object of the game by clicking an open space and either typing the number that belongs, or selecting it from the numbers on the side of the sudoku board. whether or not it begins only at the "sticking point" of these methods). As the difficulty progresses, the sudoku game becomes harder, and youll have to employ more advanced and strategic logic to solve the puzzles. This would seem to be the conclusion whether tabling is or is not preceded by standard methods (i.e. Using Sudoku Susser 2.0.4, Trebor's Tables ("with all the options turned on") gives the following results for the total number of implications: Code: Select all Tabling only Tabling preceded by standard methodsĪccording to these results, by the metric you propose, the sudoku you're calling the "toughest known", isn't. Obviously, difficulty metrics are somewhat subjective, but nothing I've run into so far comes close. It requires Trebor's Tables (with all the options turned on) or the latest Ultracoloring to complete, and size of the table of inferences at the "stick point" where those techniques come into play is larger than any other puzzle we've run into. wrote:If anyone believes the puzzle in question is the "hardest known" sudoku, I suggest they explain why they think so, lest that description be meaningless.
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