Opeenvolgend Sudoku
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Fouten
0/3
Score
-
Tijd
00:00
Voortgang0%
Gemakkelijk · Opeenvolgende Sudoku
Wissel moeilijkheidsgraad hierboven ↑
Hoe Consecutive Sudoku te spelen
Standaard Sudoku-regels zijn van toepassing. Witte balken verschijnen tussen aangrenzende cellen waarvan de waarden precies 1 verschillen. Waar geen balk is, zijn de twee cellen NIET opeenvolgend.
Volledige gids →
Staven tussen cellen betekenen dat die twee cijfers opeenvolgend zijn
Opeenvolgend Sudoku Gemakkelijk
Opeenvolgend Sudoku Gemiddeld
Opeenvolgend Sudoku Moeilijk
Opeenvolgend Sudoku Expert
Wat is Opeenvolgend Sudoku?
Consecutive Sudoku markeert balken tussen paren aangrenzende cellen. Een balk betekent dat de twee cijfers in die cellen precies 1 verschillen — ze zijn opeenvolgend. Wanneer gebruikt met de negatieve beperking (geen balk = niet opeenvolgend), geeft dit informatie over elk aangrenzend paar in het hele raster, waardoor een krachtig beperkingsnetwerk ontstaat.
In één oogopslag
| Beperkingstype | Cel Relaties |
| Typische gegeven cijfers | 18–24 |
| Moeilijkheidsbeoordeling | ★★★☆☆ 3/5 |
| Gem. oplossingstijd — Gemakkelijk | 7 min |
| Gem. oplossingstijd — Gemiddeld | 16 min |
| Gem. oplossingstijd — Moeilijk | 32 min |
| Gem. oplossingstijd — Expert | 58 min |
Hoe Opeenvolgend Sudoku op te lossen
| Techniek | Wat het doet | Niveau |
|---|---|---|
| Negative Constraint Power | Where no bar appears, the two cells are guaranteed non-consecutive. Every unmarked adjacent edge tells you something — treat absent bars as constraints. | Beginner |
| Bar Pair Enumeration | A bar means the digits differ by exactly 1. List all valid pairs: (1,2), (2,3), …, (8,9). Use row/column context to narrow which pair fits. | Beginner |
| Consecutive Chain | Three cells connected by two bars form a run of three consecutive digits (in some order). Enumerate the 7 possible runs: {1,2,3}, {2,3,4}, …, {7,8,9}. | Gevorderd |
| Isolated Digit Detection | A digit surrounded on all four sides by non-bar edges has no consecutive neighbour — highly constrained within a local area. | Gevorderd |
Gemiddelde Oplossingstijden
Gemakkelijk
7 min
Gemiddeld
16 min
Moeilijk
32 min
Expert
58 min
Veelgestelde Vragen
Wat is Consecutive Sudoku?
Consecutive Sudoku is a variant where white bars appear between some adjacent cells. A white bar means those two cells hold digits that differ by exactly 1. Crucially, all consecutive adjacent pairs are marked — if there is no bar between two cells, they are guaranteed not to be consecutive.
How does the no-bar constraint work?
Every adjacent pair that is NOT consecutive has no bar. This negative information is extremely powerful — it eliminates all consecutive digit pairs from unmarked cell boundaries. Experienced players apply no-bar eliminations as aggressively as the positive bar clues.
What pairs count as consecutive?
Consecutive digits differ by exactly 1: 1&2, 2&3, 3&4, 4&5, 5&6, 6&7, 7&8, 8&9. The constraint applies to horizontally and vertically adjacent cells only — diagonal neighbours are not considered.
What is the best first move in Consecutive Sudoku?
Look for long chains of consecutive bars — a chain of four bars forces four consecutive digits in those five cells. Also, digits 1 and 9 can only be consecutive with 2 and 8 respectively, so any cell surrounded by no-bar neighbours cannot hold 1 or 9 unless those specific partners are available nearby.
Is Consecutive Sudoku harder than regular Sudoku?
At easy difficulty it is comparable to medium classic Sudoku. The bars and no-bars together provide a dense constraint web that makes early eliminations fast. Hard and expert puzzles become much more demanding as bar chains grow longer and interact with more rows, columns, and boxes.
How long does Consecutive Sudoku take to solve?
Easy puzzles take 8–18 minutes. Medium puzzles run 18–35 minutes. Hard puzzles average 35–65 minutes and expert puzzles often exceed 90 minutes. Applying both bar and no-bar logic simultaneously is the key to efficient solving at all levels.