Passi risolutivi (34)
Passo 1
Hidden Singles
valore: 5.7
categoria doc: Getting_Started
5 in F7 is last in row/box
6 in H9 is last in row/column/box
Passo 2
Hidden Singles
valore: 5.5
categoria doc: Getting_Started
7 in H3 is last in row
Passo 3
Hidden Pair
valore: 52.8
categoria doc: Hidden_Candidates
Hidden Pair 3/7 in Box 4, on cells {E1|E2}
- removes 8/9 from E1
- removes 8 from E2
Passo 4
Naked Pair
valore: 25.9
categoria doc: Naked_Candidates
Naked Pair 3/7 on cells {E1|E2} means
- 3/7 can be removed from E4
- 3/7 can be removed from E6
Passo 5
Pointing Pairs
valore: 77.2
categoria doc: Intersection_Removal
Pair: between Box 6 and Row E:
- 1 can be removed from E6
Passo 6
Pointing Pairs
valore: 76.3
categoria doc: Intersection_Removal
Pair: between Box 6 and Row D:
- 4 can be removed from D4
- 4 can be removed from D6
Passo 7
Pointing Pairs
valore: 75.1
categoria doc: Intersection_Removal
Pair: between Box 4 and Row F:
- 8 can be removed from F4
- 8 can be removed from F5
- 8 can be removed from F6
Last candidate 1 in F5 changed to solution
Passo 8
Naked Singles
valore: 2.5
categoria doc: Getting_Started
Last candidate 8 in B5 changed to solution
Passo 9
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
1 in B2 is last in row
1 in C6 is last in column/box
Passo 10
Hidden Singles
valore: 4.3
categoria doc: Getting_Started
1 in G3 is last in column/box
4 in A2 is last in column/box
4 in B7 is last in row
Passo 11
Hidden Singles
valore: 4
categoria doc: Getting_Started
4 in D9 is last in row/box
Passo 12
Naked Pair
valore: 19
categoria doc: Naked_Candidates
Naked Pair 2/5 on cells {A8|H8} means
- 2 can be removed from E8
- 2/5 can be removed from G8
- 5 can be removed from J8
Passo 13
Naked Pair
valore: 18.7
categoria doc: Naked_Candidates
Naked Pair 2/5 on cells {G9|H8} means
- 2 can be removed from G7
- 5 can be removed from J9
Passo 14
Pointing Pairs
valore: 54.9
categoria doc: Intersection_Removal
Pair: between Box 7 and Col 1:
- 5 can be removed from A1
- 5 can be removed from B1
- 5 can be removed from C1
Last candidate 7 in B1 changed to solution
Passo 15
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 5 in B4 changed to solution
Last candidate 8 in C2 changed to solution
Last candidate 3 in E1 changed to solution
Passo 16
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 7 in E2 changed to solution
Last candidate 3 in J2 changed to solution
Passo 17
Hidden Singles
valore: 2.7
categoria doc: Getting_Started
3 in G7 is last in column/box
8 in A9 is last in row/column/box
8 in F3 is last in column
Passo 18
Hidden Pair
valore: 25
categoria doc: Hidden_Candidates
Hidden Pair 3/7 in Row A, on cells {A4|A6}
- removes 6 from A4
- removes 6 from A6
Passo 19
Hidden Singles
valore: 2.5
categoria doc: Getting_Started
6 in C4 is last in box
Passo 20
Hidden Pair
valore: 22.8
categoria doc: Hidden_Candidates
Hidden Pair 3/7 in Col 4, on cells {A4|D4}
- removes 2/9 from D4
Passo 21
X-Wing
valore: 67.7
categoria doc: X_Wing_Strategy
(Col->Row) 2 taken off C9, based on EG49
Passo 22
Unique Rectangle Type 1
valore: 44
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 3/7 at D6 because of A6,A4,D4
Passo 23
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
7 in A6 is last in column
7 in D4 is last in row/box
Passo 24
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 3 in A4 changed to solution
Passo 25
Hidden Singles
valore: 2
categoria doc: Getting_Started
3 in D5 is last in row/box
3 in H6 is last in column
Passo 26
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 2 in H5 changed to solution
Passo 27
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in H8 changed to solution
Passo 28
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 2 in A8 changed to solution
Last candidate 2 in G9 changed to solution
Passo 29
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 6 in A1 changed to solution
Last candidate 7 in C7 changed to solution
Last candidate 1 in E9 changed to solution
Passo 30
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 5 in A3 changed to solution
Last candidate 5 in C9 changed to solution
Last candidate 9 in E8 changed to solution
Last candidate 9 in F1 changed to solution
Last candidate 9 in J7 changed to solution
Last candidate 7 in J9 changed to solution
Passo 31
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 2 in C1 changed to solution
Last candidate 9 in C3 changed to solution
Last candidate 6 in D3 changed to solution
Last candidate 2 in D7 changed to solution
Last candidate 8 in E6 changed to solution
Last candidate 4 in F4 changed to solution
Last candidate 4 in G8 changed to solution
Passo 32
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 9 in D6 changed to solution
Last candidate 2 in E4 changed to solution
Last candidate 6 in F6 changed to solution
Last candidate 8 in J4 changed to solution
Last candidate 1 in J8 changed to solution
Passo 33
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 9 in G4 changed to solution
Last candidate 5 in G6 changed to solution
Last candidate 5 in J1 changed to solution
Passo 34
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in G1 changed to solution
Last candidate 4 in J6 changed to solution