3
1
9
2
4
2
8
6
4
6
7
3
9
4
7
6
8
7
6
4
9
7
5
7
5
4
9
3
Time 00:00
Mistakes 0
Ready
Expert Sudoku #98
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 28 of 81 |
| Technique score | 43.1 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 1, 6 can only go in one cell, so it must go there.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.