Niet-opeenvolgend Sudoku

4
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1
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2
Fouten
0/3
Score
-
Tijd
00:00
Nieuw Spel
Voortgang0%
Gemakkelijk · Niet-Opeenvolgende Sudoku Wissel moeilijkheidsgraad hierboven ↑
Hoe Non-Consecutive Sudoku te spelen
Standaard Sudoku-regels zijn van toepassing. Extra regel: geen twee orthogonaal aangrenzende cellen (die een rand delen) mogen opeenvolgende cijfers bevatten. Als een cel 5 bevat, moeten alle vier buren 4 en 6 vermijden.
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Geen twee orthogonaal aangrenzende cellen mogen opeenvolgende cijfers bevatten

Wat is Niet-opeenvolgend Sudoku?

Non-Consecutive Sudoku legt een globale beperking op: geen twee cellen die een rand delen (orthogonaal aangrenzend) mogen opeenvolgende cijfers bevatten. Dus als een cel 5 bevat, moeten al zijn buren 4 en 6 vermijden. Deze enkele regel beperkt de kandidaatplaatsingen drastisch en kan het aantal standaard gegeven cijfers verminderen terwijl het nog steeds een uniek oplosbare puzzel oplevert.

In één oogopslag

BeperkingstypeAnti-Beperkingen
Typische gegeven cijfers18–24
Moeilijkheidsbeoordeling ★★★☆☆ 3/5
Gem. oplossingstijd — Gemakkelijk5 min
Gem. oplossingstijd — Gemiddeld13 min
Gem. oplossingstijd — Moeilijk26 min
Gem. oplossingstijd — Expert48 min

Hoe Niet-opeenvolgend Sudoku op te lossen

TechniekWat het doetNiveau
Global Candidate Pruning For every filled cell, remove its ±1 neighbours from all orthogonally adjacent cells immediately. Beginner
Digit 5 is Most Constrained 5 cannot be adjacent to 4 or 6. Use this to restrict placement of 5 across the entire grid. Gevorderd
Chain Propagation Placing a digit propagates constraints along rows and columns, often triggering a cascade of forced placements. Gevorderd
Forbidden Pair Maps Build a map of forbidden digit pairs for each adjacent pair of cells and use it to eliminate candidates systematically. Gevorderd

Gemiddelde Oplossingstijden

Gemakkelijk
5 min
Gemiddeld
13 min
Moeilijk
26 min
Expert
48 min

Veelgestelde Vragen

Wat is Non-Consecutive Sudoku?
Non-Consecutive Sudoku is a variant where no two horizontally or vertically adjacent cells may contain consecutive digits. There are no markers on the grid — the non-consecutive rule applies globally to every pair of neighbours. Standard Sudoku rules also apply.
How does the global non-consecutive rule constrain the grid?
Every pair of adjacent cells cannot differ by exactly 1. This means you cannot place a 4 next to a 3 or a 5. For every digit you place, you must eliminate that digit ±1 from all orthogonal neighbours. This propagates eliminations across the entire board immediately after every placement.
Which digits are most affected by the non-consecutive rule?
Digits 1 and 9 can only be invalid next to 2 and 8 respectively — so they are least affected. Digit 5 cannot be adjacent to either 4 or 6, which is a moderate restriction. Digits 4, 5, and 6 are most affected because they are adjacent to two common digit pairs simultaneously.
Is Non-Consecutive Sudoku moeilijker dan gewone Sudoku?
Yes, typically. The global constraint eliminates many more candidates than standard rules alone. Easy puzzles are accessible and resolve quickly. Hard and expert puzzles compensate with fewer given digits, making the non-consecutive constraint the primary source of all deductions.
What is the best first strategy for Non-Consecutive Sudoku?
After placing each digit, immediately mark all orthogonal neighbours as unable to hold ±1. Scan rows and columns for digits that can now only go in one cell due to these combined eliminations. Digit 5 is particularly useful as a placement anchor — wherever 5 is placed, both 4 and 6 are eliminated from all four neighbours.
How long does Non-Consecutive Sudoku take to solve?
Easy puzzles take 5–15 minutes. Medium puzzles run 15–30 minutes. Hard puzzles average 30–55 minutes and expert puzzles can take 60–90 minutes. Non-Consecutive Sudoku rewards players who apply the constraint globally and systematically after every move.
Probeer ook
Opeenvolgend Sudoku
The marked counterpart of your global rule — bars show exactly where consecutive neighbours sit, and absence means what you're used to.
Anti-Opeenvolgend Sudoku
The same global neighbour restriction under its other name — an alternative puzzle pool built on identical logic.
Anti-Ridder Sudoku
Another unmarked anti-rule, pushing the forbidden relationship from orthogonal neighbours out to knight-move cells.
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