9
8
6
5
4
9
1
2
3
8
7
6
8
5
7
9
4
9
3
2
2
4
7
6
9
1
Time 00:00
Mistakes 0
Ready
Expert Sudoku #102
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 26 of 81 |
| Technique score | 58.2 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 5, column 8 already sees all eight other digits in its row, column and box, so it can only be 3.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.