Passi risolutivi (27)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 7 in C8 changed to solution
Passo 2
Hidden Singles
valore: 5.5
categoria doc: Getting_Started
4 in A2 is last in column
4 in F3 is last in row/box
5 in A6 is last in column
5 in D4 is last in box
7 in D7 is last in row/column/box
9 in F6 is last in box
Passo 3
Hidden Singles
valore: 5
categoria doc: Getting_Started
1 in F7 is last in row
8 in D5 is last in row
Passo 4
Naked Pair
valore: 22.8
categoria doc: Naked_Candidates
Naked Pair 2/3 on cells {D1|D3} means
- 2/3 can be removed from E1
- 2/3 can be removed from E2
- 2/3 can be removed from E3
Last candidate 9 in E2 changed to solution
Passo 5
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 7 in G2 changed to solution
Passo 6
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 2 in H2 changed to solution
Passo 7
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 3 in J2 changed to solution
Passo 8
Naked Pair
valore: 19.3
categoria doc: Naked_Candidates
Naked Pair 2/6 on cells {E5|F5} means
- 2 can be removed from A5
- 2/6 can be removed from B5
- 6 can be removed from H5
Passo 9
Hidden Pair
valore: 38.2
categoria doc: Hidden_Candidates
Hidden Pair 2/3 in Col 1, on cells {B1|D1}
- removes 6 from B1
Passo 10
Pointing Pairs
valore: 56.1
categoria doc: Intersection_Removal
Pair: between Box 1 and Col 3:
- 6 can be removed from G3
- 6 can be removed from H3
- 6 can be removed from J3
Passo 11
Line/Box Reduction
valore: 72.6
categoria doc: Intersection_Removal
Pair: between Row G and Box 8:
- 6 can be removed from H4
- 6 can be removed from H6
- 6 can be removed from J4
- 6 can be removed from J6
Passo 12
X-Wing
valore: 105.6
categoria doc: X_Wing_Strategy
(Col->Row) 4 taken off B6, based on CJ67
(Col->Row) 4 taken off H6, based on CJ67
(Col->Row) 4 taken off B7, based on CJ67
(Col->Row) 4 taken off H7, based on CJ67
Last candidate 8 in H6 changed to solution
Passo 13
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 6 in G6 changed to solution
Passo 14
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 9 in G4 changed to solution
Passo 15
Naked Pair
valore: 14
categoria doc: Naked_Candidates
Naked Pair 2/3 on cells {B1|B6} means
- 2/3 can be removed from B3
- 2 can be removed from B4
- 2/3 can be removed from B7
- 2/3 can be removed from B9
Passo 16
Hidden Pair
valore: 27.5
categoria doc: Hidden_Candidates
Hidden Pair 2/3 in Box 3, on cells {A9|C7}
- removes 8 from A9
- removes 4 from C7
Passo 17
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
4 in B9 is last in box
4 in C6 is last in row
4 in J7 is last in column
Passo 18
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 6 in H9 changed to solution
Last candidate 2 in J6 changed to solution
Passo 19
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 3 in B6 changed to solution
Last candidate 2 in F9 changed to solution
Last candidate 1 in J4 changed to solution
Passo 20
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 3 in A9 changed to solution
Last candidate 2 in B1 changed to solution
Last candidate 6 in F5 changed to solution
Last candidate 7 in H4 changed to solution
Last candidate 6 in J1 changed to solution
Passo 21
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 7 in A3 changed to solution
Last candidate 2 in C7 changed to solution
Last candidate 3 in D1 changed to solution
Last candidate 2 in E5 changed to solution
Last candidate 8 in E9 changed to solution
Last candidate 4 in H5 changed to solution
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 1 in A5 changed to solution
Last candidate 6 in B3 changed to solution
Last candidate 6 in C4 changed to solution
Last candidate 2 in D3 changed to solution
Last candidate 3 in E7 changed to solution
Last candidate 6 in E8 changed to solution
Passo 23
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 8 in A8 changed to solution
Last candidate 8 in B4 changed to solution
Last candidate 7 in B5 changed to solution
Last candidate 3 in C3 changed to solution
Passo 24
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 2 in A4 changed to solution
Last candidate 9 in B7 changed to solution
Last candidate 9 in J8 changed to solution
Passo 25
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 1 in B8 changed to solution
Last candidate 5 in H7 changed to solution
Last candidate 8 in J3 changed to solution
Passo 26
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 5 in G3 changed to solution
Last candidate 8 in G7 changed to solution
Last candidate 1 in H1 changed to solution
Passo 27
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 5 in E1 changed to solution
Last candidate 1 in E3 changed to solution
Last candidate 9 in H3 changed to solution