Passi risolutivi (27)
Passo 1
Hidden Singles
valore: 5.1
categoria doc: Getting_Started
2 in E9 is last in box
8 in A3 is last in row
8 in D8 is last in column
8 in G7 is last in row/box
Passo 2
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
4 in G2 is last in row
4 in J7 is last in column/box
8 in C4 is last in column
8 in F5 is last in row/box
Passo 3
Hidden Singles
valore: 4.1
categoria doc: Getting_Started
2 in G4 is last in row
6 in F6 is last in row/box
Passo 4
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
5 in F7 is last in row
Passo 5
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
9 in F3 is last in row
Passo 6
Naked Pair
valore: 18
categoria doc: Naked_Candidates
Naked Pair 2/7 on cells {F1|F2} means
- 7 can be removed from E1
Passo 7
Pointing Pairs
valore: 53.2
categoria doc: Intersection_Removal
Pair: between Box 2 and Row B:
- 9 can be removed from B7
- 9 can be removed from B8
Passo 8
Pointing Pairs
valore: 52
categoria doc: Intersection_Removal
Pair: between Box 8 and Row H:
- 9 can be removed from H7
- 9 can be removed from H8
- 9 can be removed from H9
Passo 9
Line/Box Reduction
valore: 67.7
categoria doc: Intersection_Removal
Pair: between Col 5 and Box 5:
- 9 can be removed from D4
- 9 can be removed from E4
- 9 can be removed from E6
Last candidate 4 in D4 changed to solution
Passo 10
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 5 in E4 changed to solution
Passo 11
Line/Box Reduction
valore: 63.8
categoria doc: Intersection_Removal
Pair: between Col 7 and Box 6:
- 9 can be removed from D9
Passo 12
X-Wing
valore: 92.4
categoria doc: X_Wing_Strategy
(Col->Row) 6 taken off B1, based on AJ19
(Col->Row) 6 taken off C1, based on AJ19
(Col->Row) 6 taken off G9, based on AJ19
(Col->Row) 6 taken off H9, based on AJ19
Passo 13
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
6 in G5 is last in row
Passo 14
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 3 in C5 changed to solution
Last candidate 9 in H4 changed to solution
Passo 15
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in B4 changed to solution
Last candidate 5 in C6 changed to solution
Passo 16
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 9 in B6 changed to solution
Last candidate 7 in B7 changed to solution
Passo 17
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 5 in B8 changed to solution
Last candidate 1 in C8 changed to solution
Passo 18
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 9 in A8 changed to solution
Last candidate 7 in C1 changed to solution
Last candidate 6 in C3 changed to solution
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in A1 changed to solution
Last candidate 6 in A9 changed to solution
Last candidate 2 in F1 changed to solution
Last candidate 2 in J8 changed to solution
Passo 20
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 5 in A2 changed to solution
Last candidate 7 in F2 changed to solution
Last candidate 7 in H8 changed to solution
Last candidate 6 in J1 changed to solution
Last candidate 1 in J2 changed to solution
Passo 21
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 1 in G9 changed to solution
Last candidate 1 in H6 changed to solution
Last candidate 9 in J9 changed to solution
Passo 22
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 7 in D9 changed to solution
Last candidate 7 in G6 changed to solution
Last candidate 6 in H7 changed to solution
Last candidate 5 in H9 changed to solution
Passo 23
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 9 in D5 changed to solution
Last candidate 3 in E6 changed to solution
Passo 24
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 1 in D7 changed to solution
Last candidate 4 in E1 changed to solution
Last candidate 7 in E5 changed to solution
Passo 25
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 3 in B1 changed to solution
Last candidate 3 in D3 changed to solution
Last candidate 1 in E3 changed to solution
Last candidate 9 in E7 changed to solution
Passo 26
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 2 in B2 changed to solution
Last candidate 2 in H3 changed to solution
Passo 27
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in B3 changed to solution
Last candidate 3 in H2 changed to solution