Whenever they play a puzzle tailored for their level of competence both the beginner and the experienced sudoku solver will have to put a good amount of thought and technique into completing the task their approach though may not be the same solving a hard sudoku puzzle will require quite a different set of techniques compared to an easy one. You may find you need to use the twin or triplet exclusion rules in order to solve more challenging sudoku puzzles it is the strategy to use when simpler strategies have been applied and you are still stuck in essence it is all about spotting matching patterns of possibilities in a group row column or region. Then try some of our extra fiendish puzzles the basic rules of sudoku are easy just place the digits from 1 to 9 in each empty cell each row column and 3 x 3 box must contain only one of each of the 9 digits solving these puzzles is a different matter entirely since these are the most difficult puzzles we create. Learn how to solve extremely hard sudoku puzzles by examples explains each step to you while solving your puzzles smart sudoku solver show how to solve sudoku puzzles step by step learning sudoku solving techniques by examples expert area more extremely difficult sudoku puzzles. Advanced guide to solving most hard sudoku puzzles advanced solving techniques as seen on times online in february 2007 in november 2006 the times introduced a new extreme level of sudoku giving players a more difficult level of logic super fiendish
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