Passi risolutivi (31)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 2 in E8 changed to solution
Passo 2
Hidden Singles
valore: 5.8
categoria doc: Getting_Started
2 in J9 is last in row/column/box
7 in G8 is last in column
9 in E5 is last in row/box
Passo 3
Hidden Singles
valore: 5.3
categoria doc: Getting_Started
4 in G7 is last in row/box
9 in A9 is last in row
9 in J8 is last in column
Passo 4
Hidden Singles
valore: 4.9
categoria doc: Getting_Started
4 in A3 is last in row
4 in C9 is last in box
5 in J7 is last in box
Passo 5
Hidden Singles
valore: 4.5
categoria doc: Getting_Started
2 in A1 is last in row
5 in E2 is last in row
Passo 6
Hidden Singles
valore: 4
categoria doc: Getting_Started
2 in F3 is last in column/box
5 in C1 is last in row/column/box
Passo 7
Hidden Singles
valore: 3.8
categoria doc: Getting_Started
7 in C3 is last in column
Passo 8
Hidden Singles
valore: 3.6
categoria doc: Getting_Started
7 in A7 is last in row/column/box
Passo 9
Naked Pair
valore: 17.5
categoria doc: Naked_Candidates
Naked Pair 1/4 on cells {D8|F8} means
- 1 can be removed from D7
- 1 can be removed from D9
- 1 can be removed from F9
Passo 10
Naked Pair
valore: 16.8
categoria doc: Naked_Candidates
Naked Pair 1/6 on cells {H7|H9} means
- 1/6 can be removed from H1
- 1/6 can be removed from H2
- 1 can be removed from H6
Passo 11
Hidden Pair
valore: 32.5
categoria doc: Hidden_Candidates
Hidden Pair 2/9 in Box 2, on cells {C4|C6}
- removes 3/8 from C4
- removes 1/3 from C6
Passo 12
Hidden Singles
valore: 3.2
categoria doc: Getting_Started
1 in G6 is last in column
Passo 13
Hidden Singles
valore: 3
categoria doc: Getting_Started
5 in G5 is last in row/box
Passo 14
Hidden Pair
valore: 28.9
categoria doc: Hidden_Candidates
Hidden Pair 4/6 in Box 5, on cells {D5|F5}
- removes 3 from D5
- removes 3 from F5
Passo 15
Line/Box Reduction
valore: 56.1
categoria doc: Intersection_Removal
Pair: between Col 2 and Box 4:
- 6 can be removed from D1
- 6 can be removed from E3
- 6 can be removed from F1
Last candidate 3 in E3 changed to solution
Passo 16
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in E7 changed to solution
Passo 17
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 1 in H7 changed to solution
Passo 18
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 8 in C7 changed to solution
Last candidate 6 in H9 changed to solution
Passo 19
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 1 in B9 changed to solution
Last candidate 3 in D7 changed to solution
Passo 20
Hidden Singles
valore: 2
categoria doc: Getting_Started
1 in J3 is last in column
Passo 21
Pointing Pairs
valore: 28.5
categoria doc: Intersection_Removal
Pair: between Box 1 and Col 2:
- 1 can be removed from D2
- 1 can be removed from F2
Passo 22
X-Wing
valore: 55.3
categoria doc: X_Wing_Strategy
(Row->Col) 8 taken off B1, based on BG34
(Row->Col) 8 taken off G1, based on BG34
Passo 23
Y-Wing
valore: 72.6
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: B1 (3/6), wings B3 J1, therefore
- 8 can be removed from G3
Last candidate 6 in G3 changed to solution
Passo 24
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in B3 changed to solution
Last candidate 9 in G1 changed to solution
Passo 25
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 1 in A2 changed to solution
Last candidate 3 in B4 changed to solution
Last candidate 8 in G4 changed to solution
Passo 26
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 8 in A5 changed to solution
Last candidate 6 in B1 changed to solution
Last candidate 3 in C2 changed to solution
Last candidate 1 in C5 changed to solution
Last candidate 7 in F4 changed to solution
Last candidate 3 in J5 changed to solution
Passo 27
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 2 in D4 changed to solution
Last candidate 7 in H2 changed to solution
Last candidate 9 in H6 changed to solution
Last candidate 8 in J1 changed to solution
Passo 28
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 9 in C4 changed to solution
Last candidate 2 in C6 changed to solution
Last candidate 5 in D6 changed to solution
Last candidate 1 in F1 changed to solution
Last candidate 3 in H1 changed to solution
Passo 29
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 7 in D1 changed to solution
Last candidate 8 in D9 changed to solution
Last candidate 3 in F6 changed to solution
Last candidate 4 in F8 changed to solution
Passo 30
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 6 in D2 changed to solution
Last candidate 1 in D8 changed to solution
Last candidate 6 in F5 changed to solution
Last candidate 5 in F9 changed to solution
Passo 31
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 4 in D5 changed to solution
Last candidate 8 in F2 changed to solution