9
5
4
6
3
2
4
4
7
1
8
3
7
6
2
9
4
9
7
8
5
6
2
3
Time 00:00
Mistakes 0
Ready
Expert Sudoku #95
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 24 of 81 |
| Technique score | 84.6 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 1, column 5 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.