Passi risolutivi (24)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in D1 changed to solution
Last candidate 5 in J3 changed to solution
Passo 2
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 8 in D4 changed to solution
Last candidate 4 in G3 changed to solution
Passo 3
Naked Singles
valore: 2.3
categoria doc: Getting_Started
Last candidate 8 in H3 changed to solution
Passo 4
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
3 in E9 is last in row/box
4 in A9 is last in column/box
4 in B2 is last in row
5 in E8 is last in box
5 in F1 is last in row
5 in H4 is last in column/box
6 in H2 is last in column/box
7 in E2 is last in box
7 in J8 is last in row/box
8 in A8 is last in row
Passo 5
Naked Singles
valore: 1.6
categoria doc: Getting_Started
Last candidate 2 in E1 changed to solution
Passo 6
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
4 in E4 is last in column
4 in H5 is last in row/box
5 in C2 is last in row/column/box
5 in G7 is last in row/column/box
Passo 7
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 9 in E5 changed to solution
Passo 8
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in E6 changed to solution
Passo 9
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
3 in H7 is last in column/box
6 in B4 is last in column/box
6 in G9 is last in row/box
Passo 10
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
6 in C7 is last in row/column/box
Passo 11
Naked Pair
valore: 10.2
categoria doc: Naked_Candidates
Naked Pair 1/7 on cells {A7|B7} means
- 1 can be removed from B8
- 7 can be removed from C9
Passo 12
Naked Pair
valore: 10
categoria doc: Naked_Candidates
Naked Pair 1/7 on cells {D9|F9} means
- 1 can be removed from H9
Passo 13
Pointing Pairs
valore: 29.7
categoria doc: Intersection_Removal
Pair: between Box 9 and Row H:
- 2 can be removed from H6
Passo 14
Line/Unit Reduction
valore: 38
categoria doc: Intersection_Removal
Line/Box Reduction: 2s in box 2 remove the following in the same box:
- 2 can be removed from B5
- 2 can be removed from B6
- 2 can be removed from C5
Passo 15
Hidden Singles
valore: 1.8
categoria doc: Getting_Started
2 in F5 is last in column
Passo 16
X-Wing
valore: 51.2
categoria doc: X_Wing_Strategy
(Row->Col) 9 taken off A6, based on AJ24
(Row->Col) 9 taken off J1, based on AJ24
(Row->Col) 9 taken off J6, based on AJ24
Passo 17
W-Wing
valore: 41.3
categoria doc: W_Wings
W-Wing (single). Either there is a 2 in B8 or in H9. They are connected through 9 in B6/H6, therefore
- 2 can be removed from C9
- 2 can be removed from H8
Last candidate 9 in C9 changed to solution
Passo 18
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 2 in B8 changed to solution
Last candidate 8 in C1 changed to solution
Last candidate 2 in H9 changed to solution
Passo 19
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 7 in B3 changed to solution
Last candidate 7 in C5 changed to solution
Passo 20
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 2 in A6 changed to solution
Last candidate 1 in B7 changed to solution
Last candidate 2 in C3 changed to solution
Last candidate 1 in D5 changed to solution
Passo 21
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 9 in A4 changed to solution
Last candidate 7 in A7 changed to solution
Last candidate 9 in B1 changed to solution
Last candidate 7 in D9 changed to solution
Last candidate 7 in F6 changed to solution
Last candidate 3 in G5 changed to solution
Passo 22
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 1 in A2 changed to solution
Last candidate 8 in B5 changed to solution
Last candidate 3 in B6 changed to solution
Last candidate 1 in F9 changed to solution
Last candidate 1 in G1 changed to solution
Last candidate 2 in J4 changed to solution
Last candidate 1 in J6 changed to solution
Passo 23
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 9 in G8 changed to solution
Last candidate 9 in H6 changed to solution
Last candidate 3 in J1 changed to solution
Last candidate 9 in J2 changed to solution
Passo 24
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 1 in H8 changed to solution