Svær Thermo Sudoku
Tal skal stige fra pæreenden til spidsen langs hvert termometer. Temperaturretningen begrænser hver placering.
Svær Thermo Sudoku. Færre givne, overlappende termometre — forvent flertrins grænsededuktioner og omfattende blyantsnotat arbejde.
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Hvad er Thermo Sudoku?
Sværhedsgrad
★★★★☆
4/5
Begrænsningstype
Linjebegrænsninger
Typiske Givne Tal
20–28
Gns. Løsning (Svær)
45 min
Løsningsteknikker for Svær niveau
| Teknik | Beskrivelse | Niveau |
|---|---|---|
| Range Restriction from Length | A thermometer with N cells must use N strictly increasing distinct values. The bulb is at least 1 and the tip is at most 9, giving a calculable valid range for each cell. | Begynder |
| Minimum/Maximum Bounding | The bulb value is ≤ 9 − (N − 1). The tip value is ≥ N. Apply these bounds immediately to prune all thermometer candidates. | Begynder |
| Overlapping Thermometer Deduction | Two thermometers sharing a cell give tighter combined bounds than either alone. | Mellemniveau |
| Forcing Chains via Thermometers | When a value is forced into a thermometer cell, all cells closer to the bulb must be smaller and all closer to the tip must be larger. | Avanceret |
| Short vs. Long Thermometers | A 2-cell thermometer is simply a greater-than relationship. A 9-cell thermometer forces exactly 1–9 in order. | Mellemniveau |
Klar til den ultimative test? Prøv Ekspert Thermo Sudoku — de sværeste puslespil på Spil Sudoku.
Teknikker at mestre på Svær
- Hidden Pairs technique — Overlapping thermometers compress candidate windows until two digits share only two line cells; hard thermo grids hide their pairs along the slow middle of long lines.
- X-Wing-teknik — Bulb and tip bounds eliminate so many extreme-digit candidates that X-Wings on 1, 2, 8, and 9 appear early — hunt fish on the digits the thermometers exclude.
Gennemsnitlig Løsningstid efter Sværhedsgrad
Let
10 min
Mellem
22 min
Svær
45 min
Ekspert
75 min
Vil du have en fuld gennemgang af regler, strategier og løsningstrin?
Sådan spiller du Thermo Sudoku →
Relaterede varianter
Pil Sudoku
Thermo and Arrow both constrain digits along drawn lines — increase swaps for summation, but the cell-by-cell bounding feels the same.
Tyske hvisken
Another drawn-line rule: instead of strictly increasing, neighbouring line digits must differ by at least 5.
Renban Sudoku
Line cells must form a consecutive set rather than an increasing one — the same range-tracking instinct, loosened by one degree.
Ofte stillede spørgsmål — Svær Termo Sudoku
Flere spørgsmål? Se den fulde Thermo Sudoku-guide.