Passi risolutivi (25)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in B5 changed to solution
Last candidate 8 in D4 changed to solution
Passo 2
Hidden Singles
valore: 4.2
categoria doc: Getting_Started
2 in C5 is last in row/box
2 in F4 is last in column
2 in G2 is last in column/box
3 in H4 is last in row/column/box
6 in C8 is last in row/box
6 in D5 is last in row/column/box
Passo 3
Hidden Singles
valore: 3.7
categoria doc: Getting_Started
8 in G8 is last in column
9 in A9 is last in box
9 in G3 is last in row/box
Passo 4
Hidden Pair
valore: 34.1
categoria doc: Hidden_Candidates
Hidden Pair 1/2 in Row E, on cells {E7|E9}
- removes 4 from E9
Passo 5
Pointing Pairs
valore: 50.8
categoria doc: Intersection_Removal
Pair: between Box 6 and Row D:
- 3 can be removed from D2
Passo 6
Pointing Pairs
valore: 50.3
categoria doc: Intersection_Removal
Pair: between Box 9 and Col 9:
- 4 can be removed from D9
Passo 7
Naked Pair
valore: 16.4
categoria doc: Naked_Candidates
Naked Pair 3/7 on cells {B9|D9} means
- 7 can be removed from G9
- 7 can be removed from H9
- 7 can be removed from J9
Passo 8
Y-Wing
valore: 128.7
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: G4 (1/7), wings G9 J6, therefore
- 4 can be removed from G5
- 4 can be removed from J9
Passo 9
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
4 in F5 is last in column
4 in G9 is last in row/column/box
4 in J6 is last in row/box
Passo 10
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 9 in D6 changed to solution
Passo 11
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 1 in F6 changed to solution
Passo 12
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
1 in A4 is last in box
1 in C1 is last in row
4 in D8 is last in row
7 in G4 is last in box
Passo 13
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 9 in E8 changed to solution
Passo 14
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 8 in E2 changed to solution
Passo 15
Hidden Singles
valore: 2
categoria doc: Getting_Started
9 in C2 is last in row/box
9 in F1 is last in column
Passo 16
Chute Remote Pair
valore: 48.1
categoria doc: Chute_Remote_Pairs
8 cannot be set in the yellow cells {C1,C2,C3} and with the Remote Pair in A7 and B6 it means:
- 7 can be removed from B9
Last candidate 3 in B9 changed to solution
Passo 17
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 7 in D9 changed to solution
Passo 18
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in D2 changed to solution
Last candidate 5 in F8 changed to solution
Passo 19
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 7 in B2 changed to solution
Last candidate 3 in D7 changed to solution
Last candidate 7 in H8 changed to solution
Passo 20
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 4 in A3 changed to solution
Last candidate 8 in B6 changed to solution
Last candidate 3 in C3 changed to solution
Last candidate 3 in F2 changed to solution
Passo 21
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 8 in A1 changed to solution
Last candidate 5 in B1 changed to solution
Last candidate 7 in C6 changed to solution
Last candidate 6 in E3 changed to solution
Last candidate 7 in F3 changed to solution
Passo 22
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 7 in A7 changed to solution
Last candidate 8 in C7 changed to solution
Last candidate 4 in E1 changed to solution
Last candidate 6 in H1 changed to solution
Last candidate 5 in J3 changed to solution
Passo 23
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 1 in H9 changed to solution
Last candidate 7 in J1 changed to solution
Last candidate 2 in J7 changed to solution
Passo 24
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 1 in E7 changed to solution
Last candidate 2 in E9 changed to solution
Last candidate 5 in G7 changed to solution
Last candidate 5 in H5 changed to solution
Last candidate 6 in J9 changed to solution
Passo 25
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 1 in G5 changed to solution