Passi risolutivi (26)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in B6 changed to solution
Passo 2
Hidden Singles
valore: 5.6
categoria doc: Getting_Started
2 in B3 is last in row/box
2 in F7 is last in row/column/box
2 in H2 is last in column
4 in A2 is last in box
4 in H6 is last in column
6 in F4 is last in box
8 in A5 is last in column/box
8 in F1 is last in column
8 in H7 is last in row/box
Passo 3
Hidden Singles
valore: 4.3
categoria doc: Getting_Started
2 in J4 is last in row/column/box
3 in E4 is last in box
4 in D1 is last in column/box
6 in J6 is last in column/box
8 in C3 is last in column/box
8 in E8 is last in row/box
Passo 4
Hidden Singles
valore: 3.6
categoria doc: Getting_Started
3 in J1 is last in column
5 in G4 is last in column
8 in B9 is last in row/column/box
Passo 5
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
5 in J3 is last in row/box
Passo 6
Naked Pair
valore: 16.2
categoria doc: Naked_Candidates
Naked Pair 3/7 on cells {A6|C6} means
- 7 can be removed from A4
Passo 7
Hidden Singles
valore: 3.2
categoria doc: Getting_Started
7 in H4 is last in column
Passo 8
Hidden Singles
valore: 3
categoria doc: Getting_Started
7 in G2 is last in box
Passo 9
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
9 in H3 is last in box
Passo 10
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 7 in E3 changed to solution
Last candidate 1 in H5 changed to solution
Passo 11
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 6 in H1 changed to solution
Last candidate 9 in J5 changed to solution
Passo 12
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 1 in G1 changed to solution
Passo 13
Hidden Pair
valore: 20.9
categoria doc: Hidden_Candidates
Hidden Pair 3/6 in Box 3, on cells {A7|C8}
- removes 1/7/9 from A7
- removes 1/7 from C8
Passo 14
Pointing Pairs
valore: 30.5
categoria doc: Intersection_Removal
Pair: between Box 3 and Col 9:
- 7 can be removed from D9
- 7 can be removed from F9
Passo 15
Naked Pair
valore: 9.8
categoria doc: Naked_Candidates
Naked Pair 1/5 on cells {F2|F9} means
- 1 can be removed from F3
- 5 can be removed from F5
- 1 can be removed from F8
Last candidate 3 in F3 changed to solution
Passo 16
X-Wing
valore: 53.6
categoria doc: X_Wing_Strategy
(Col->Row) 1 taken off D2, based on CF29
(Col->Row) 1 taken off A9, based on CF29
(Col->Row) 1 taken off D9, based on CF29
Passo 17
Chute Remote Pair
valore: 43.3
categoria doc: Chute_Remote_Pairs
5 cannot be set in the yellow cells {F4,F5,F6} and with the Remote Pair in D9 and E2 it means:
- 9 can be removed from D2
- 9 can be removed from E7
Last candidate 4 in E7 changed to solution
Passo 18
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 5 in E5 changed to solution
Last candidate 7 in F8 changed to solution
Passo 19
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 7 in D5 changed to solution
Last candidate 9 in E2 changed to solution
Last candidate 4 in F5 changed to solution
Last candidate 1 in J8 changed to solution
Passo 20
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 7 in J7 changed to solution
Passo 21
Hidden Singles
valore: 1.2
categoria doc: Getting_Started
4 in B8 is last in row/column/box
Passo 22
Bi-value Universal Grave
valore: 32.2
categoria doc: BUG
BUG+1 found in D7, 9 must be the solution
All other incomplete cells contain two candidates apart from D7. Other candidates in D7 would lead to zero, two or more solutions so they can be removed.
Last candidate 9 in D7 changed to solution
Passo 23
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 1 in B7 changed to solution
Last candidate 3 in D8 changed to solution
Last candidate 5 in D9 changed to solution
Last candidate 6 in G7 changed to solution
Passo 24
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 3 in A7 changed to solution
Last candidate 9 in B4 changed to solution
Last candidate 6 in C8 changed to solution
Last candidate 7 in C9 changed to solution
Last candidate 6 in D2 changed to solution
Last candidate 1 in F9 changed to solution
Last candidate 9 in G8 changed to solution
Passo 25
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 1 in A4 changed to solution
Last candidate 7 in A6 changed to solution
Last candidate 9 in A9 changed to solution
Last candidate 1 in C2 changed to solution
Last candidate 3 in C6 changed to solution
Last candidate 1 in D3 changed to solution
Last candidate 5 in F2 changed to solution
Passo 26
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in A3 changed to solution