Passi risolutivi (29)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 1 in H7 changed to solution
Passo 2
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 8 in G7 changed to solution
Last candidate 2 in H1 changed to solution
Passo 3
Naked Singles
valore: 2.6
categoria doc: Getting_Started
Last candidate 5 in F7 changed to solution
Last candidate 9 in J9 changed to solution
Passo 4
Naked Singles
valore: 2.3
categoria doc: Getting_Started
Last candidate 2 in C7 changed to solution
Last candidate 6 in F5 changed to solution
Last candidate 3 in H8 changed to solution
Passo 5
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 6 in G8 changed to solution
Passo 6
Hidden Singles
valore: 4.3
categoria doc: Getting_Started
4 in G3 is last in column
5 in A9 is last in column/box
9 in D5 is last in row/box
Passo 7
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 5 in H2 changed to solution
Passo 8
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 9 in H6 changed to solution
Passo 9
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 4 in H4 changed to solution
Passo 10
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
1 in F9 is last in column
4 in A5 is last in column/box
5 in D3 is last in row/column/box
Passo 11
Hidden Singles
valore: 3.2
categoria doc: Getting_Started
2 in J5 is last in column
Passo 12
Naked Pair
valore: 15.5
categoria doc: Naked_Candidates
Naked Pair 4/8 on cells {E9|F8} means
- 8 can be removed from D8
- 4/8 can be removed from E8
Passo 13
Hidden Pair
valore: 30.3
categoria doc: Hidden_Candidates
Hidden Pair 1/6 in Box 1, on cells {A1|C2}
- removes 8 from A1
- removes 7/8 from C2
Passo 14
Pointing Pairs
valore: 45
categoria doc: Intersection_Removal
Pair: between Box 4 and Col 2:
- 2 can be removed from B2
Passo 15
Pointing Pairs
valore: 43.7
categoria doc: Intersection_Removal
Pair: between Box 5 and Row E:
- 8 can be removed from E1
- 8 can be removed from E2
- 8 can be removed from E9
Last candidate 4 in E9 changed to solution
Passo 16
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 8 in B9 changed to solution
Last candidate 8 in F8 changed to solution
Passo 17
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 1 in A8 changed to solution
Last candidate 4 in F2 changed to solution
Passo 18
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 6 in A1 changed to solution
Last candidate 9 in C8 changed to solution
Passo 19
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 4 in B8 changed to solution
Last candidate 1 in C2 changed to solution
Last candidate 7 in E1 changed to solution
Passo 20
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in D1 changed to solution
Last candidate 2 in E8 changed to solution
Passo 21
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 2 in D2 changed to solution
Last candidate 7 in D8 changed to solution
Last candidate 6 in E2 changed to solution
Last candidate 1 in J1 changed to solution
Passo 22
Hidden Singles
valore: 1.4
categoria doc: Getting_Started
1 in G6 is last in row/column/box
8 in J2 is last in column
9 in B4 is last in row/column/box
Passo 23
Hidden Singles
valore: 1.2
categoria doc: Getting_Started
2 in A4 is last in column/box
2 in B3 is last in row
Passo 24
Pointing Pairs
valore: 16.1
categoria doc: Intersection_Removal
Pair: between Box 2 and Col 6:
- 3 can be removed from E6
- 3 can be removed from J6
Passo 25
Rectangle Elimination
valore: 25.4
categoria doc: Rectangle_Elimination
If either +7[B6] or +7[G2] are ON then both are on because they are strongly linked through the hinge cell B2. If both are ON then this removes all 7s from Box 8, so neither can be 7
Last candidate 3 in B6 changed to solution
Last candidate 3 in G2 changed to solution
Passo 26
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 8 in A6 changed to solution
Last candidate 7 in B2 changed to solution
Last candidate 5 in G4 changed to solution
Last candidate 7 in J3 changed to solution
Passo 27
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 3 in A3 changed to solution
Last candidate 8 in C3 changed to solution
Last candidate 6 in C4 changed to solution
Last candidate 5 in E6 changed to solution
Last candidate 7 in G5 changed to solution
Last candidate 6 in J6 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 5 in C5 changed to solution
Last candidate 7 in C6 changed to solution
Last candidate 3 in E5 changed to solution
Last candidate 3 in J4 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in E4 changed to solution