PlaySudoku.us
Evil · Puzzle #367
1
7
6
8
1
4
5
3
2
9
1
5
4
9
6
1
6
8
4
3
3
4
2
9
7
Techniques used
- Hidden Single
- Naked Single
- Box-Line Reduction
- Forcing Chains
- Naked Pair
- Naked Quad
- Pointing Pair
- X-Wing
- W-Wing
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.
"Chess is not about who makes the last mistake." — Savielly Tartakower
"Chess is not about who makes the last mistake." — Savielly Tartakower