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Evil · Puzzle #416
1
9
6
5
8
3
2
8
7
6
4
6
1
5
1
2
5
8
9
4
5
1
6
2
3
5
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- UR Type 4
- Forcing Chains
- XY-Chain
- UR Type 1
- Pointing Pair
- Box-Line Reduction
- X-Wing
"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr
"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr
"Every chess master was once a beginner." — Irving Chernev
"Every chess master was once a beginner." — Irving Chernev