NISHIO SUDOKU STRATEGY HOW TO
NISHIO SUDOKU STRATEGY PROFESSIONAL

The player has to take a cell with two candidates and choose one to try solving the grid. It is because it is based on assumptions. Of all the advanced Sudoku strategies, most players avoid this strategy and consider it as a last resort.

NISHIO SUDOKU STRATEGY PROFESSIONAL

Nishio’s strategy gets its name from the professional puzzle player named Tetsuya Nishio, who invented this strategy. Connecting them reveals that a green highlighted number is possible in the cells.

When a grid forms the number 4 as a candidate for two squares in three different rows, the players can use the swordfish technique. The player can put them to the test and remove the number that was impossible in any of the cases. By connecting them, you will get a close string that reveals two sets of possible locations for the number. These cells should be joined by column regardless of what shape they create. To apply it, the player must find a candidate digit for two cells in the same row but in three different rows. The strategy also makes it possible to eliminate a candidate from the cells. Sometimes they don’t give the expected results. Outside the strategies of advanced Sudoku, the method of forcing chains is usually a last resort because the chains can be very complicated and long. Now by testing the number 1, the player could have been able to make a chain going through different cells. Therefore, the digit can be the solution for the particular cell. By testing the two digits, the player finds that the result for highlighted cell with candidates 5 and 7 is still 5. If a player is successful in testing, the solution is there for him to solve the Sudoku puzzle.Ĭell highlighted at the top with candidates 1 and 2 can be used to apply the forced chain technique. The objective of this strategy is to find the cell that would return the same result. They can do so by using each of the two numbers in the cell. To apply a simple forcing chain strategy, there must be cells with only two candidates in the grid.Īs a result, the player chooses one and begins to test the changes in the puzzle. If it works for a player, then it gives the solution for a cell to the player. Unfortunately, the application of this strategy requires a high concentration level and the results can be uncertain. One of the easiest advanced Sudoku strategies is forcing chains. On the other hand, they have to remove a digit from the cell that causes impossibility in both situations. The next step in this strategy is to test the sets on the grid. The player fins only two sets of possible positions for that number. The players can use this strategy when there is a repeated candidate in four cells which form a square or rectangle. The impact of this strategy is very low and its objective is to eliminate the candidates. This strategy can be used at some intermediate levels. The X-Wing Method is one of the most basic advanced Sudoku strategies. When you research different strategies, you will know that how each strategy works and which one will be the best for you.

Major Sudoku strategies can help you to improve the game. All you have to do is to research practice the strategies. Just like other games like mahjong or solitaire, you can use different strategies to increase the chances of solving Sudoku at a better level. Some major strategies can be used to improve the Sudoku game.

NISHIO SUDOKU STRATEGY HOW TO

The number placement game can take you to a point where you don’t know how to solve the puzzle anymore.Īt the dreaded point in Sudoku, you might have thought about different strategies or maybe you erase and start over. This math puzzle has taken over the world and people are delighted with its gameplay. Whenever someone is having a downtime, they might be playing Sudoku. Many view Sudoku as a much beloved hobby as well. People play it online, in the newspaper, or when bored on a plane. Sudoku has become a ubiquitous game in the world.

Nishio sudoku strategy