Pakar Anti-King Sudoku
Tiada dua digit yang sama boleh menyentuh secara menyerong (seperti pergerakan raja catur). Setiap sel mempunyai sehingga 8 jiran terhad.
Pakar Anti-King Sudoku. Setiap penempatan dipaksa oleh logik pepenjuru dan piawai yang diselang-seli. Teka-teki anti-raja paling sukar di laman — tiada tekaan diperlukan.
3
9
8
2
2
5
1
3
2
9
9
2
6
1
4
6
9
8
7
7
1
5
7
Kesilapan
0/3
Skor
-
Masa
00:00
Kemajuan0%
♚ Kekangan pergerakan Raja aktif
Apakah Anti-King Sudoku?
Kesukaran
★★★☆☆
3/5
Jenis Kekangan
Kekangan Anti
Biasa Diberi
22–28
Purata Selesaikan (Pakar)
48 min
Teknik Penyelesaian untuk Tahap Pakar
| Teknik | Penerangan | Tahap |
|---|---|---|
| Diagonal Exclusion | The king constraint extends the exclusion zone to all 8 neighbours including diagonals. Apply diagonal exclusions before standard row/col/box logic. | Pemula |
| Corner Restriction | Corner cells (e.g., r1c1) only have 3 king-move neighbours. Start with corners and edges to build initial placements. | Pertengahan |
| King-Chain Elimination | When a digit is placed, eliminate it simultaneously from all 8 surrounding cells. | Pertengahan |
| Parity via King's Move | In Anti-King, consecutive digits often become mutually king-move incompatible — trace valid placement paths using this property. | Lanjutan |
Teknik untuk Dikuasai pada Pakar
- Teknik X-Wing — At expert level, combine the fish with king logic: an X-Wing corner placement also clears the digit from eight surrounding cells, often collapsing a whole region.
- Swordfish technique — Expert Anti-King puzzles thin candidates with diagonal pressure until three-row Swordfish patterns become the only path — look for them on digits clustered near the grid centre.
Purata Masa Selesaikan mengikut Kesukaran
Mudah
5 min
Sederhana
13 min
Sukar
26 min
Pakar
48 min
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Varian Berkaitan
Anti-Knight Sudoku
The companion chess constraint — the forbidden repeat jumps a knight's move instead of one diagonal step.
Anti-Consecutive Sudoku
Forbids a value relationship instead of a position: neighbours may touch, but their digits can't be consecutive.
Non-Consecutive Sudoku
Another global anti-rule solved with the same reflex — every placement immediately bans candidates around it.
Soalan Lazim — Pakar Sudoku Anti-Raja
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