#Advance sudoku tips how to#
#Advance sudoku tips free#

Sometimes placing the first digit in the grid can be the hardest part. Grab a pencil, and print the Hard Sudoku Sample (page 3) of the Sudoku Puzzle Samples document so you can follow along and fill in the puzzle as we go. Tips for solving Sudoku 1) Know where to start solving If you’re new to playing Sudoku, you might find you don’t know where to start whenever you first look at a new puzzle. You can try today's puzzle - which first appeared as a New York Times 'Hard' Sudoku on 27 August 2019 - here. On this page, we will cover more situations using the Ghosting, RC Counting, Tagging, and Line Checking techniques we learned in Part 2.īelow is the sample puzzle we will be solving. One of the most important things to keep in mind when solving a Killer Sudoku puzzle is which combinations of numbers can fit into each cage. of simple techniques and going to a more complicated technique solves the sudoku much.

#Advance sudoku tips how to#

Welcome to Part 3, the third and final part of my Sudoku Instructions. How to play Sudoku: Advanced Solving Techniques Lessons 13 - 25 by Sudoku Guy Learn advanced sudoku solving techniques from Robin the Sudoku Guy in 13 in-dep.

#Advance sudoku tips free#

When you are ready to put your Sudoku skills to the test, print out some of the 100 free Sudoku puzzles on this site or play Sudoku free online. You'll need to understand those methods to be able to solve Medium, Hard, Very Hard, and 'insane' Sudoku puzzles. In Part 2, Kevin uses a Medium Sudoku sample puzzle to introduce the techniques of Ghosting, RC Counting, Tagging, and Line Checking. There Kevin explains the rules of Sudoku and uses a sample Easy puzzle to illustrate the two basic techniques you need to use when solving Sudoku puzzles of any difficulty, namely: 'Check Each Number 1 Through 9' and 'Check for One Missing Number in Each Row, Column, and Quadrant'. Part 1 starts Sudoku instruction from scratch. Apart from trivial row scanning there are lots of advanced strategies every person should know. Unless you are already an expert Sudoku player, you may want to work through the Sudoku instructions in Part 1 and Part 2 before tackling this page. Learn to solve any sudoku without even thinking. This page goes further in depth with the advanced Sudoku techniques of Ghosting, RC Counting, Tagging, and Line Checking.