What are hidden triplets?

"Hidden triples" applies when three cells in a row, column, or 3x3 block contain the same three Notes. These three cells also contain other candidates, which may be removed from them. It will be easier to understand this technique if you look at the example.

What is an example of a hidden triple?

Hidden Triples

A Triple will consist of three pairs of numbers lying in three cells in the same row, column or box, such as [4,8,9], [4,8,9] and [4,8,9].

What do triplets mean in Sudoku?

A hidden triple occurs when three cells in a row, column, or block contain the same three numbers, or a subset of those three. The three cells also contain other candidates. In the above example, 1, 2, and 5 (shown in red) are a hidden triple. Those three numbers are only seen in three squares in the row.

What to do with hidden pairs?

"Hidden pairs" technique works the same way as "Hidden singles". The only thing that changes is the number of cells and Notes. If you can find two cells within a row, column, or 3x3 block where two Notes appear nowhere outside these cells, these two Notes must be placed in the two cells.

How do I find hidden singles?

When playing by hand, Hidden Singles can be found by "cross hatching": Concentrate on one digit and one block. Draw lines through all rows and columns that already have an instance of that digit set (in your mind only please). If only one cell is left, that cell is a Hidden Single for that digit.

Hidden triples - a Sudoku technique for beginners

How do you find hidden pairs and triples in Sudoku?

Looking for hidden groups

If you're looking for hidden pairs, you're looking for two numbers which only exist in two cells within that area – even though there will be other candidates in the same cell “hiding” them. For triples, you'll be looking for three cells, and so on.

How to solve Sudoku puzzle 3 3?

The goal of sudoku is simple: fill in the numbers 1-9 exactly once in every row, column, and 3x3 region. For example, look at the above puzzle and compare it to the solved version below. Notice that every row, column and 3x3 region contain every number from 1-9 exactly once. The same puzzle, this time solved.

What is the 45 rule in Sudoku?

The 45 rule is a basic solving-technique in Killer Sudoku. Each house (row, column, nonet) must add to 45 (the sum of the digits 1 through 9).

What is the average time to solve a Sudoku?

It can be incredibly challenging to solve a Sudoku puzzle. That's what makes it fun. It is believed that the average Sudoku player spends approximately 20 minutes solving a typical Sudoku puzzle. For very hard puzzles, that number can be much higher.

Can you always solve Sudoku without guessing?

Can all Sudoku puzzles be solved without guessing? According to Sudoku Of The Day, “Sudoku is a puzzle involving logic—no arithmetic or guessing is required!” While you can, guess, of course, if your guess is wrong, it will throw off the rest of the puzzle and you'll need to start over.

What is a swordfish in Sudoku?

A Swordfish is a 3 by 3 nine-cell pattern where a candidate is found on three different rows (or three columns) and they line up in the opposite direction. Eventually we will fix three candidates somewhere in those cells which excludes all other candidates in those units.

What is the difference between triple and triplet?

Triplet is the easiest. It's strictly a noun and all about the succession of three things: three notes, three babies born at the same time, three lines of verse that rhyme, three layers, genetics . . . one follows the next. Triple and triplicate only seem the same.

What is a triplet example?

In English grammar and morphology, triplets or word triplets are three distinct words derived from the same source but at different times and by different paths, such as place, plaza, and piazza (all from the Latin platea, a broad street).

What is the triplet persuasive technique?

Use three related words or phrases to grab attention, encapsulate, summarize. This can be three single words, three phrases or three complete sentences. The three items can be any three items that fit together to make an impact, including: The same item each time, hammering home the point.

Is Sudoku good for the brain?

Sudoku keeps your brain active and reduces the risk of Alzheimer's, a most common cause of dementia that affects a person's thinking and behavioural skills. Stimulates your mind: The game works on your logical thinking process as you are absorbed in solving a puzzle and eventually improve your number skills.

What is the trick to solve Sudoku fast?

What is an example of a hidden pair in Sudoku?

Hidden Pairs can be buried under lots of other candidates as shown in the right example: r1c12 is a Hidden Pair for candidates 4 and 7 (in this case they are hidden in row 1 and in block 1), but those cells house another 10 candidates, which can all be eliminated.

What is the magic number in Sudoku?

Now Gary McGuire, a mathematician at University College Dublin, has come up with what he says is a proof that finds the minimum number of clues, or starting digits, needed to complete the game is 17.

What is a fish in Sudoku?

Nowadays, any single-digit pattern that compares 2 partially overlapping constraint sets of equal size is called a fish. In standard Sudoku, the sets can contain rows, columns, and boxes. In Sudoku Variations with additional constraints, any combination is possible.

What is the last remaining cell in Sudoku?

"Last remaining cell" is another basic Sudoku strategy. It's based on the fact that numbers should not be repeated within 3×3 block, vertical column and horizontal row.

What is a locked candidate in Sudoku?

A set of candidates is locked if the number of candidates in a group of cells matches the number of cells they are in. For example, a Naked Pair of 3/7 on two cells is a locked set: two candidates in two cells.

What is elimination method in Sudoku?

Elimination, or Hidden Single, or Loner - Basic Solving Sudoku Technique. Elimination, or Hidden Single, or Loner: An untaken number in a row/column/box only show up in one empty square as its candidate values, then this empty square must take the number.