![]() You can eliminate candidate "3" (Z) from all cells seen simultaneously by both pincers, in this case R2C1. The pincers are the green cells: R3C2 (93 or YZ) and R7C1 (37 or ZX). In Nice Loop notation, you must include the cell(s) with the eliminated candidates to complete the loop: You can write it like this in Eureka notation: Chain NotationĪn XY-Wing is a short chain. ![]() One of the pincers shares a row with the pivot, the other shares a column. Up to 5 eliminations are possible in this formation. One of the pincers shares a row or column with the pivot, the other shares a box. SubtypesĪlthough the logic behind the XY-Wing is always the same, subtypes have been introduced to help players to recognize these patterns more easily. The pincers have candidates XZ and YZ.Īny cell that can see both pincers can not longer contain a candidate for digit Z, because the pivot forces either of the pincers to contain this digit. The pivot contains candidates XY, which explains the name of this technique. The chain uses only 3 digits, symbolically named X, Y and Z. The cell in the center is called the pivot. The objective is to find the hook cells and proceed to eliminate the prey.An XY-Wing is a solving technique that uses a short chain of 3 cells. You shouldn't pay attention to the 3x3 blocks as they aren't involved in. Web the xy wing technique is a technique that is often compared to the hooks of an eagle and its prey. Y wings are a fairly advanced sudoku solving technique that allows you to eliminate candidates in particular. It should be easier to spot in a game as we can concentrate on just one number at a time. Web an x wing is a sudoku solving technique that lets you reduce the number of candidates in particular columns or rows of the grid. Web xy wing involves 3 different cells - each with exactly two candidates - that are related to each other in such a way that you can make some logical conclusions. The objective is to find the hook cells and proceed to eliminate the prey. Take a look at this puzzle: Let's take a look at this. This strategy is looking at single numbers in rows and columns. If you have a puzzle you'd like us to solve on the channel please email us at: The left is a swordfish with column. Take a look at this puzzle: Once you've satisfied yourself that there aren't any easy. Reglas básicas del Sudoku Megastar Ediciones Take a look at this puzzle: While x wings aren’t always. ![]() Once you've satisfied yourself that there aren't any easy. ![]() If you have a puzzle you'd like us to solve on the channel please email us at: Let's take a look at this.
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