9
3
1
1
5
1
9
2
5
7
6
5
7
4
1
4
2
6
3
4
8
6
8
1
4
3
Time 00:00
Mistakes 0
Ready
Expert Sudoku #14
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 26 of 81 |
| Technique score | 91.1 |
| Rated techniques | 6 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 6 already sees all eight other digits in its row, column and box, so it can only be 7.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.