8
4
2
9
8
9
6
2
3
5
6
6
3
8
7
9
4
6
5
1
5
4
1
5
2
Time 00:00
Mistakes 0
Ready
Expert Sudoku #6
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 25 of 81 |
| Technique score | 31.2 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 3, column 1 already sees all eight other digits in its row, column and box, so it can only be 1.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.