Passi risolutivi (19)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in B5 changed to solution
Last candidate 3 in E4 changed to solution
Last candidate 2 in F2 changed to solution
Passo 2
Naked Singles
valore: 2.5
categoria doc: Getting_Started
Last candidate 4 in D6 changed to solution
Last candidate 2 in E5 changed to solution
Passo 3
Naked Singles
valore: 2.3
categoria doc: Getting_Started
Last candidate 8 in C6 changed to solution
Last candidate 8 in D7 changed to solution
Last candidate 1 in E6 changed to solution
Last candidate 9 in F4 changed to solution
Last candidate 7 in H5 changed to solution
Passo 4
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 6 in A6 changed to solution
Last candidate 5 in C5 changed to solution
Last candidate 9 in D3 changed to solution
Last candidate 3 in D8 changed to solution
Last candidate 5 in F3 changed to solution
Last candidate 9 in G5 changed to solution
Passo 5
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 2 in C8 changed to solution
Last candidate 8 in E3 changed to solution
Last candidate 4 in F7 changed to solution
Last candidate 2 in G6 changed to solution
Passo 6
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in E1 changed to solution
Last candidate 3 in J6 changed to solution
Passo 7
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
3 in A9 is last in row/column/box
3 in H3 is last in row/column/box
7 in C4 is last in row
Passo 8
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 4 in A4 changed to solution
Passo 9
Line/Box Reduction
valore: 40.2
categoria doc: Intersection_Removal
Pair: between Row H and Box 9:
- 6 can be removed from G9
- 6 can be removed from J7
- 6 can be removed from J9
Passo 10
X-Wing
valore: 56.1
categoria doc: X_Wing_Strategy
(Col->Row) 8 taken off A1, based on BH19
(Col->Row) 8 taken off G1, based on BH19
(Col->Row) 8 taken off J1, based on BH19
(Col->Row) 8 taken off G9, based on BH19
(Col->Row) 8 taken off J9, based on BH19
Passo 11
Naked Pair
valore: 9.1
categoria doc: Naked_Candidates
Naked Pair 5/7 on cells {E9|G9} means
- 5/7 can be removed from J9
Last candidate 9 in J9 changed to solution
Passo 12
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 4 in C9 changed to solution
Passo 13
Hidden Pair
valore: 16.2
categoria doc: Hidden_Candidates
Hidden Pair 6/8 in Row G, on cells {G2|G4}
- removes 7 from G2
Passo 14
Unique Rectangle Type 1
valore: 31.4
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 6/8 at J2 because of G2,G4,J4
Last candidate 7 in J2 changed to solution
Passo 15
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 8 in A2 changed to solution
Last candidate 4 in G3 changed to solution
Passo 16
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 5 in A8 changed to solution
Last candidate 1 in B3 changed to solution
Last candidate 5 in G1 changed to solution
Last candidate 6 in G2 changed to solution
Passo 17
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 9 in A7 changed to solution
Last candidate 4 in B1 changed to solution
Last candidate 6 in B7 changed to solution
Last candidate 9 in C1 changed to solution
Last candidate 8 in G4 changed to solution
Last candidate 7 in G9 changed to solution
Last candidate 2 in J3 changed to solution
Last candidate 8 in J8 changed to solution
Passo 18
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 2 in A1 changed to solution
Last candidate 7 in A3 changed to solution
Last candidate 8 in B9 changed to solution
Last candidate 1 in C7 changed to solution
Last candidate 5 in E9 changed to solution
Last candidate 8 in H1 changed to solution
Last candidate 2 in H7 changed to solution
Last candidate 6 in H9 changed to solution
Last candidate 1 in J1 changed to solution
Last candidate 6 in J4 changed to solution
Last candidate 5 in J7 changed to solution
Passo 19
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 7 in E7 changed to solution