Passi risolutivi (29)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 3 in H5 changed to solution
Passo 2
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 4 in B5 changed to solution
Passo 3
Naked Singles
valore: 2.9
categoria doc: Getting_Started
Last candidate 7 in F5 changed to solution
Passo 4
Naked Singles
valore: 2.9
categoria doc: Getting_Started
Last candidate 6 in D5 changed to solution
Passo 5
Hidden Singles
valore: 5.3
categoria doc: Getting_Started
5 in C8 is last in column/box
5 in F1 is last in row/box
6 in C4 is last in row/column/box
6 in E9 is last in column
7 in J4 is last in row
Passo 6
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
4 in C7 is last in box
4 in J1 is last in row
7 in C6 is last in row/column/box
7 in D9 is last in column/box
Passo 7
Hidden Singles
valore: 4.1
categoria doc: Getting_Started
2 in D3 is last in row
2 in F9 is last in column
Passo 8
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
2 in E6 is last in row/column/box
Passo 9
Hidden Singles
valore: 3.6
categoria doc: Getting_Started
9 in E4 is last in row/box
Passo 10
Hidden Pair
valore: 33.8
categoria doc: Hidden_Candidates
Hidden Pair 2/6 in Col 7, on cells {G7|H7}
- removes 1/3/8 from G7
- removes 1/8/9 from H7
Passo 11
Hidden Singles
valore: 3.3
categoria doc: Getting_Started
1 in G8 is last in box
Passo 12
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 4 in G6 changed to solution
Passo 13
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 8 in G4 changed to solution
Passo 14
Pointing Pairs
valore: 44.2
categoria doc: Intersection_Removal
Pair: between Box 1 and Row A:
- 1 can be removed from A9
Passo 15
Hidden Singles
valore: 2.9
categoria doc: Getting_Started
1 in B9 is last in column
Passo 16
Rectangle Elimination
valore: 69.5
categoria doc: Rectangle_Elimination
If +8[E3] then -8[B3] forcing +8[B7] which removes all 8s from Box 6, so E3 cannot be 8
Passo 17
Rectangle Elimination
valore: 68.8
categoria doc: Rectangle_Elimination
If +8[C2] then -8[F2] forcing +8[F7] which removes all 8s from Box 3, so C2 cannot be 8
Last candidate 3 in C2 changed to solution
Passo 18
Naked Pair
valore: 12
categoria doc: Naked_Candidates
Naked Pair 8/9 on cells {C3|H3} means
- 9 can be removed from A3
- 8/9 can be removed from B3
Last candidate 5 in B3 changed to solution
Passo 19
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 4 in A3 changed to solution
Last candidate 3 in B4 changed to solution
Passo 20
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in A2 changed to solution
Last candidate 9 in B6 changed to solution
Passo 21
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 9 in A1 changed to solution
Last candidate 5 in A6 changed to solution
Last candidate 8 in B7 changed to solution
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 3 in A9 changed to solution
Last candidate 8 in C3 changed to solution
Last candidate 9 in C9 changed to solution
Last candidate 1 in H6 changed to solution
Passo 23
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 3 in F6 changed to solution
Last candidate 9 in H3 changed to solution
Last candidate 5 in H4 changed to solution
Last candidate 8 in J9 changed to solution
Passo 24
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 1 in F7 changed to solution
Last candidate 3 in J8 changed to solution
Passo 25
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 4 in D8 changed to solution
Last candidate 3 in E7 changed to solution
Last candidate 4 in F4 changed to solution
Last candidate 9 in J7 changed to solution
Passo 26
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 1 in D4 changed to solution
Last candidate 7 in E3 changed to solution
Last candidate 8 in E8 changed to solution
Last candidate 8 in F2 changed to solution
Passo 27
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 3 in D1 changed to solution
Last candidate 1 in E1 changed to solution
Last candidate 4 in E2 changed to solution
Last candidate 3 in G3 changed to solution
Last candidate 2 in H2 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in G1 changed to solution
Last candidate 7 in G2 changed to solution
Last candidate 6 in H7 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in G7 changed to solution
Last candidate 8 in H1 changed to solution