- Code: Select all
`6.......2.9.4...5...1...7...5..84.......2.......3.5.4.2.....6...3...9.8...7.....1`

The result now is 11.8

Analysis results

Difficulty rating: 11,8

This Sudoku can be solved using the following logical methods:

53 x Hidden Single

5 x Direct Hidden Pair

2 x Naked Single

3 x Pointing

3 x Claiming

1 x Naked Pair

1 x X-Wing

4 x Hidden Pair

2 x Naked Triplet

1 x Bidirectional Y-Cycle

2 x Turbot Fish

1 x Forcing X-Chain

4 x Forcing Chain

3 x Nishio Forcing Chains

6 x Region Forcing Chains

4 x Cell Forcing Chains

6 x Dynamic Contradiction Forcing Chains

11 x Dynamic Region Forcing Chains

5 x Dynamic Cell Forcing Chains

2 x Dynamic Double Forcing Chains

6 x Dynamic Contradiction Forcing Chains (+)

3 x Dynamic Contradiction Forcing Chains (+ Forcing Chains)

6 x Dynamic Contradiction Forcing Chains (+ Multiple Forcing Chains)

9 x Dynamic Contradiction Forcing Chains (+ Dynamic Forcing Chains)

1 x Dynamic Cell Forcing Chains (+ Dynamic Forcing Chains)

6 x Dynamic Region Forcing Chains (+ Dynamic Forcing Chains)

For coloin-4/13-1414 the result is 11.8, too.

- Code: Select all
`1.......2.9.4...5...6...7...5.3.4.......6........58.4...2...6...3...9.8.7.......1`

Analysis results

Difficulty rating: 11,8

This Sudoku can be solved using the following logical methods:

53 x Hidden Single

3 x Direct Hidden Pair

2 x Naked Single

2 x Direct Hidden Triplet

5 x Pointing

2 x Naked Pair

2 x Naked Triplet

1 x Forcing X-Chain

1 x Forcing Chain

1 x Nishio Forcing Chains

3 x Dynamic Cell Forcing Chains 9 x Dynamic Contradiction Forcing Chains

5 x Dynamic Region Forcing Chains

7 x Dynamic Contradiction Forcing Chains (+)

1 x Dynamic Region Forcing Chains (+ Forcing Chains)

13 x Dynamic Contradiction Forcing Chains (+ Forcing Chains)

6 x Dynamic Contradiction Forcing Chains (+ Multiple Forcing Chains)

5 x Dynamic Contradiction Forcing Chains (+ Dynamic Forcing Chains)

1 x Dynamic Double Forcing Chains (+ Dynamic Forcing Chains)

4 x Dynamic Region Forcing Chains (+ Dynamic Forcing Chains)