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Evil · Puzzle #106
4
2
8
7
9
6
4
9
3
1
7
9
5
1
4
6
3
5
8
4
7
3
9
3
7
Techniques used
- Hidden Single
- Naked Single
- Pointing Pair
- Pointing Triple
- Skyscraper
- Naked Pair
- Forcing Chains
- XY-Wing
- XY-Chain
"Give me a place to stand, and I shall move the earth." — Archimedes
"Give me a place to stand, and I shall move the earth." — Archimedes
"The essence of chess is thinking about what chess is." — David Bronstein
"The essence of chess is thinking about what chess is." — David Bronstein