Passi risolutivi (30)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in C6 changed to solution
Last candidate 6 in F4 changed to solution
Last candidate 9 in G5 changed to solution
Passo 2
Naked Singles
valore: 2.6
categoria doc: Getting_Started
Last candidate 4 in D4 changed to solution
Passo 3
Naked Singles
valore: 2.5
categoria doc: Getting_Started
Last candidate 8 in D6 changed to solution
Passo 4
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 7 in E5 changed to solution
Last candidate 9 in F6 changed to solution
Passo 5
Naked Singles
valore: 2.3
categoria doc: Getting_Started
Last candidate 5 in C5 changed to solution
Passo 6
Naked Singles
valore: 2.2
categoria doc: Getting_Started
Last candidate 8 in A5 changed to solution
Last candidate 7 in C4 changed to solution
Last candidate 6 in J5 changed to solution
Passo 7
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 3 in A4 changed to solution
Passo 8
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 4 in A6 changed to solution
Last candidate 5 in J4 changed to solution
Passo 9
Hidden Singles
valore: 3.6
categoria doc: Getting_Started
3 in E3 is last in column/box
4 in J8 is last in row/column/box
6 in H7 is last in row/box
Passo 10
Hidden Singles
valore: 3.3
categoria doc: Getting_Started
4 in B3 is last in column
4 in E2 is last in row/box
Passo 11
Hidden Singles
valore: 3.2
categoria doc: Getting_Started
8 in F2 is last in box
Passo 12
Naked Pair
valore: 14.7
categoria doc: Naked_Candidates
Naked Pair 1/5 on cells {F1|H1} means
- 1/5 can be removed from A1
- 1/5 can be removed from D1
- 1 can be removed from J1
Passo 13
Naked Pair
valore: 14
categoria doc: Naked_Candidates
Naked Pair 2/6 on cells {D1|E1} means
- 2/6 can be removed from A1
- 2/6 can be removed from D2
- 2 can be removed from J1
Passo 14
Hidden Singles
valore: 2.7
categoria doc: Getting_Started
6 in A2 is last in row/column/box
Passo 15
Hidden Pair
valore: 25
categoria doc: Hidden_Candidates
Hidden Pair 3/7 in Box 9, on cells {G8|J9}
- removes 1/2 from G8
- removes 1/2/8 from J9
Passo 16
Pointing Pairs
valore: 36.7
categoria doc: Intersection_Removal
Pair: between Box 9 and Col 7:
- 2 can be removed from A7
- 2 can be removed from E7
Passo 17
Pointing Pairs
valore: 36.3
categoria doc: Intersection_Removal
Pair: between Box 6 and Col 8:
- 5 can be removed from A8
Passo 18
Rectangle Elimination
valore: 59.8
categoria doc: Rectangle_Elimination
If +7[A8] then -7[A1] forcing +7[J1] which removes all 7s from box 9, so A8 cannot be 7
Passo 19
Hidden Singles
valore: 2.4
categoria doc: Getting_Started
7 in G8 is last in column
Passo 20
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 3 in J9 changed to solution
Passo 21
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 1 in F9 changed to solution
Last candidate 1 in J6 changed to solution
Passo 22
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in F1 changed to solution
Last candidate 3 in G6 changed to solution
Passo 23
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in D2 changed to solution
Last candidate 3 in F8 changed to solution
Last candidate 1 in H1 changed to solution
Passo 24
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 2 in G2 changed to solution
Last candidate 8 in H8 changed to solution
Passo 25
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 9 in C2 changed to solution
Last candidate 1 in G7 changed to solution
Last candidate 5 in H3 changed to solution
Last candidate 8 in J3 changed to solution
Last candidate 2 in J7 changed to solution
Passo 26
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 7 in A1 changed to solution
Last candidate 7 in J2 changed to solution
Passo 27
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 2 in A9 changed to solution
Last candidate 5 in B2 changed to solution
Last candidate 9 in J1 changed to solution
Passo 28
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 1 in A3 changed to solution
Last candidate 8 in B7 changed to solution
Last candidate 1 in C8 changed to solution
Last candidate 6 in D9 changed to solution
Passo 29
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 9 in A8 changed to solution
Last candidate 7 in B9 changed to solution
Last candidate 2 in C3 changed to solution
Last candidate 2 in D1 changed to solution
Last candidate 9 in E7 changed to solution
Last candidate 8 in E9 changed to solution
Passo 30
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 5 in A7 changed to solution
Last candidate 5 in D8 changed to solution
Last candidate 6 in E1 changed to solution
Last candidate 2 in E8 changed to solution