Passi risolutivi (31)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 5 in F5 changed to solution
Passo 2
Naked Singles
valore: 2.8
categoria doc: Getting_Started
Last candidate 6 in D5 changed to solution
Passo 3
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 3 in C5 changed to solution
Last candidate 2 in E5 changed to solution
Passo 4
Naked Singles
valore: 2.5
categoria doc: Getting_Started
Last candidate 9 in G5 changed to solution
Passo 5
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 4 in G8 changed to solution
Last candidate 7 in J5 changed to solution
Passo 6
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
4 in J2 is last in row/box
9 in B6 is last in row/column/box
9 in F8 is last in row
Passo 7
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 3 in H8 changed to solution
Passo 8
Hidden Singles
valore: 3.8
categoria doc: Getting_Started
3 in J4 is last in row/column/box
7 in A6 is last in column/box
Passo 9
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 3 in A7 changed to solution
Passo 10
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 6 in A3 changed to solution
Passo 11
Hidden Singles
valore: 3.2
categoria doc: Getting_Started
6 in H1 is last in column/box
6 in J6 is last in row
Passo 12
Hidden Singles
valore: 3
categoria doc: Getting_Started
2 in J9 is last in row
7 in H2 is last in row/box
Passo 13
Hidden Singles
valore: 2.7
categoria doc: Getting_Started
2 in B2 is last in column
2 in G1 is last in box
7 in D1 is last in row
9 in E2 is last in column
Passo 14
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 4 in A1 changed to solution
Passo 15
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 2 in A4 changed to solution
Passo 16
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
2 in H6 is last in row/column/box
8 in E1 is last in column
Passo 17
Naked Pair
valore: 9.8
categoria doc: Naked_Candidates
Naked Pair 1/4 on cells {E4|E6} means
- 1 can be removed from E3
- 1 can be removed from E7
- 1 can be removed from E9
Passo 18
Hidden Pair
valore: 19.3
categoria doc: Hidden_Candidates
Hidden Pair 3/5 in Col 3, on cells {B3|E3}
- removes 1 from B3
Passo 19
Pointing Pairs
valore: 28.1
categoria doc: Intersection_Removal
Pair: between Box 6 and Col 9:
- 1 can be removed from B9
- 1 can be removed from C9
Passo 20
Pointing Pairs
valore: 27.6
categoria doc: Intersection_Removal
Pair: between Box 9 and Row H:
- 5 can be removed from H4
Passo 21
XY-Chain
valore: 118
categoria doc: XY_Chains
length=4, chain ends: F1 and B7
This proves 1 is the solution at one or possibly both ends of the chain
-1[F1]+3[F1]-3[E3]+5[E3]-5[E7]+7[E7]-7[B7]+1[B7]
- 1 can be removed from B1
Last candidate 3 in B1 changed to solution
Passo 22
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in B3 changed to solution
Last candidate 1 in F1 changed to solution
Passo 23
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 1 in C2 changed to solution
Last candidate 5 in D2 changed to solution
Last candidate 3 in E3 changed to solution
Last candidate 3 in F9 changed to solution
Passo 24
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 8 in C7 changed to solution
Last candidate 1 in D9 changed to solution
Passo 25
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 9 in J7 changed to solution
Passo 26
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 5 in H7 changed to solution
Last candidate 8 in J3 changed to solution
Passo 27
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 7 in E7 changed to solution
Last candidate 1 in G3 changed to solution
Last candidate 8 in H9 changed to solution
Passo 28
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 1 in B7 changed to solution
Last candidate 6 in E8 changed to solution
Last candidate 5 in G6 changed to solution
Last candidate 9 in H3 changed to solution
Last candidate 1 in H4 changed to solution
Passo 29
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 7 in B8 changed to solution
Last candidate 4 in C6 changed to solution
Last candidate 4 in E4 changed to solution
Last candidate 5 in E9 changed to solution
Last candidate 8 in G4 changed to solution
Passo 30
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in B4 changed to solution
Last candidate 6 in C9 changed to solution
Last candidate 1 in E6 changed to solution
Passo 31
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in B9 changed to solution
Last candidate 5 in C4 changed to solution