Passi risolutivi (31)
Passo 1
Hidden Singles
valore: 5.8
categoria doc: Getting_Started
2 in F9 is last in row/box
2 in H1 is last in column/box
4 in E5 is last in column/box
6 in A9 is last in row/column/box
8 in E3 is last in row/box
Passo 2
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in E1 changed to solution
Passo 3
Naked Singles
valore: 2.5
categoria doc: Getting_Started
Last candidate 3 in F1 changed to solution
Passo 4
Naked Singles
valore: 2.4
categoria doc: Getting_Started
Last candidate 4 in D1 changed to solution
Last candidate 6 in F2 changed to solution
Passo 5
Naked Singles
valore: 2.1
categoria doc: Getting_Started
Last candidate 1 in D2 changed to solution
Last candidate 5 in F4 changed to solution
Last candidate 9 in G1 changed to solution
Passo 6
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 7 in C1 changed to solution
Last candidate 6 in D4 changed to solution
Last candidate 7 in D6 changed to solution
Last candidate 9 in F8 changed to solution
Last candidate 5 in J3 changed to solution
Passo 7
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 5 in B2 changed to solution
Last candidate 5 in D9 changed to solution
Last candidate 6 in H3 changed to solution
Passo 8
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 4 in A2 changed to solution
Last candidate 3 in D8 changed to solution
Last candidate 4 in G3 changed to solution
Passo 9
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
4 in C8 is last in row/column/box
6 in G5 is last in row/column/box
9 in H7 is last in box
Passo 10
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
3 in G2 is last in row
Passo 11
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
8 in G9 is last in row
Passo 12
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 7 in J8 changed to solution
Passo 13
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in J2 changed to solution
Passo 14
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 7 in H2 changed to solution
Passo 15
Hidden Singles
valore: 1.8
categoria doc: Getting_Started
8 in B8 is last in column/box
Passo 16
Naked Pair
valore: 8.4
categoria doc: Naked_Candidates
Naked Pair 1/9 on cells {C3|C9} means
- 1/9 can be removed from C4
- 1 can be removed from C7
Passo 17
Line/Unit Reduction
valore: 33
categoria doc: Intersection_Removal
Line/Box Reduction: 9s in box 2 remove the following in the same box:
- 9 can be removed from B6
Passo 18
X-Wing
valore: 47.9
categoria doc: X_Wing_Strategy
(Row->Col) 1 taken off A6, based on AH48
(Row->Col) 1 taken off A7, based on AH48
Passo 19
Unique Rectangle Type 1
valore: 30.8
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 1/9 at B9 because of B3,C3,C9
Last candidate 7 in B9 changed to solution
Passo 20
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 1 in E9 changed to solution
Passo 21
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 9 in C9 changed to solution
Last candidate 7 in E7 changed to solution
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 1 in C3 changed to solution
Passo 23
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 9 in B3 changed to solution
Passo 24
Hidden Singles
valore: 1.1
categoria doc: Getting_Started
7 in A5 is last in row/column/box
Passo 25
Naked Pair
valore: 5.2
categoria doc: Naked_Candidates
Naked Pair 2/3 on cells {B5|J5} means
- 3 can be removed from C5
Passo 26
Y-Wing
valore: 39.6
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: B6 (1/2), wings A4 J6, therefore
- 9 can be removed from A6
- 9 can be removed from J4
Last candidate 3 in J4 changed to solution
Passo 27
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 8 in C4 changed to solution
Last candidate 2 in J5 changed to solution
Passo 28
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 3 in B5 changed to solution
Last candidate 5 in C5 changed to solution
Last candidate 1 in H4 changed to solution
Last candidate 9 in J6 changed to solution
Passo 29
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 9 in A4 changed to solution
Last candidate 2 in A6 changed to solution
Last candidate 3 in C7 changed to solution
Last candidate 5 in G6 changed to solution
Last candidate 8 in H5 changed to solution
Last candidate 5 in H8 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 5 in A7 changed to solution
Last candidate 1 in A8 changed to solution
Last candidate 1 in B6 changed to solution
Last candidate 1 in G7 changed to solution
Passo 31
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in B7 changed to solution