1
6
5
2
4
2
3
5
8
7
2
4
5
7
8
7
4
5
8
9
3
9
3
9
1
8
Time 00:00
Mistakes 0
Ready
Expert Sudoku #115
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 26 of 81 |
| Technique score | 11.6 |
| Rated techniques | 2 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 2, 5 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.