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Evil · Puzzle #561
5
8
9
2
3
9
4
1
7
3
4
2
9
5
6
1
2
3
8
3
5
8
2
1
7
2
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Naked Triple
- Pointing Pair
- X-Wing
- Forcing Chains
- XY-Wing
- XY-Chain
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein
"The blunders are all there on the board, waiting to be made." — Savielly Tartakower
"The blunders are all there on the board, waiting to be made." — Savielly Tartakower