Passi risolutivi (29)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 6 in E6 changed to solution
Passo 2
Hidden Singles
valore: 5.7
categoria doc: Getting_Started
5 in J9 is last in row/box
8 in G5 is last in row
8 in H3 is last in column/box
Passo 3
Hidden Singles
valore: 5
categoria doc: Getting_Started
1 in G8 is last in box
1 in J1 is last in row
7 in H9 is last in column/box
8 in A6 is last in column/box
Passo 4
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
1 in F6 is last in column
9 in G7 is last in row
Passo 5
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 6 in H8 changed to solution
Passo 6
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 3 in H7 changed to solution
Passo 7
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 9 in H6 changed to solution
Passo 8
Hidden Singles
valore: 3.8
categoria doc: Getting_Started
1 in D9 is last in row/column/box
6 in J5 is last in column/box
9 in C8 is last in column
Passo 9
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
9 in B5 is last in row/column/box
9 in D1 is last in row
9 in E9 is last in column/box
Passo 10
Hidden Singles
valore: 3
categoria doc: Getting_Started
1 in A5 is last in column/box
1 in B3 is last in row
8 in B9 is last in column
8 in E7 is last in row/box
Passo 11
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
2 in F7 is last in column/box
Passo 12
Pointing Pairs
valore: 39.6
categoria doc: Intersection_Removal
Pair: between Box 6 and Row F:
- 4 can be removed from F1
- 4 can be removed from F3
- 4 can be removed from F5
Passo 13
Pointing Pairs
valore: 39.2
categoria doc: Intersection_Removal
Pair: between Box 5 and Col 5:
- 7 can be removed from C5
Passo 14
Rectangle Elimination
valore: 64.6
categoria doc: Rectangle_Elimination
If +2[A1] then -2[A4] forcing +2[J4] which removes all 2s from Box 7, so A1 cannot be 2
Passo 15
Rectangle Elimination
valore: 64
categoria doc: Rectangle_Elimination
If +2[C5] then -2[C2] forcing +2[J2] which removes all 2s from Box 8, so C5 cannot be 2
Last candidate 5 in C5 changed to solution
Passo 16
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 7 in F5 changed to solution
Passo 17
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 4 in D5 changed to solution
Passo 18
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in E4 changed to solution
Last candidate 2 in H5 changed to solution
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 4 in H1 changed to solution
Passo 20
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 2 in E1 changed to solution
Passo 21
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 4 in E3 changed to solution
Passo 22
Hidden Singles
valore: 1.5
categoria doc: Getting_Started
2 in A4 is last in column/box
2 in J2 is last in row/box
4 in C2 is last in column/box
4 in G4 is last in row/column/box
7 in B1 is last in column
7 in D2 is last in row/box
Passo 23
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 3 in B4 changed to solution
Last candidate 3 in C9 changed to solution
Passo 24
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 6 in B2 changed to solution
Last candidate 2 in C3 changed to solution
Last candidate 7 in C6 changed to solution
Last candidate 7 in J4 changed to solution
Passo 25
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 5 in B7 changed to solution
Last candidate 3 in G2 changed to solution
Last candidate 3 in J6 changed to solution
Passo 26
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 4 in A8 changed to solution
Last candidate 6 in D7 changed to solution
Last candidate 6 in G1 changed to solution
Passo 27
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in A9 changed to solution
Last candidate 5 in D3 changed to solution
Last candidate 5 in F8 changed to solution
Last candidate 4 in F9 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in A3 changed to solution
Last candidate 3 in F1 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 5 in A1 changed to solution
Last candidate 6 in F3 changed to solution