Passi risolutivi (30)
Passo 1
Hidden Singles
valore: 5.7
categoria doc: Getting_Started
1 in C5 is last in row
1 in D8 is last in row
1 in F3 is last in column/box
4 in E5 is last in column/box
4 in J7 is last in box
7 in J2 is last in column
8 in D6 is last in row/box
Passo 2
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
1 in B9 is last in row/column/box
1 in J6 is last in row/column/box
4 in F2 is last in row/box
5 in E3 is last in box
5 in F9 is last in row
7 in E6 is last in row/box
8 in C2 is last in column
Passo 3
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 9 in E7 changed to solution
Passo 4
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 2 in F8 changed to solution
Passo 5
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 6 in D7 changed to solution
Passo 6
Hidden Singles
valore: 3.3
categoria doc: Getting_Started
2 in D4 is last in row/box
5 in G7 is last in column/box
6 in A9 is last in column/box
7 in G5 is last in row/box
Passo 7
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
2 in C7 is last in row
3 in G8 is last in box
6 in C3 is last in column/box
Passo 8
Naked Pair
valore: 11.8
categoria doc: Naked_Candidates
Naked Pair 3/9 on cells {C1|D1} means
- 3/9 can be removed from A1
- 3/9 can be removed from B1
- 3/9 can be removed from H1
- 3/9 can be removed from J1
Passo 9
Naked Pair
valore: 11.6
categoria doc: Naked_Candidates
Naked Pair 4/7 on cells {A1|B1} means
- 4 can be removed from A3
- 4 can be removed from H1
Passo 10
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
4 in H3 is last in row/column/box
Passo 11
Naked Pair
valore: 10.5
categoria doc: Naked_Candidates
Naked Pair 2/9 on cells {G6|J5} means
- 2/9 can be removed from H5
- 2/9 can be removed from H6
- 9 can be removed from J4
Last candidate 6 in H5 changed to solution
Passo 12
Chute Remote Pair
valore: 49.5
categoria doc: Chute_Remote_Pairs
2 cannot be set in the yellow cells {G1,G2,G3} and with the Remote Pair in H9 and J5 it means:
- 9 can be removed from J9
Passo 13
Y-Wing
valore: 77
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: B5 (8/9), wings B7 C4, therefore
- 3 can be removed from B4
- 3 can be removed from B6
Passo 14
Hidden Singles
valore: 1.9
categoria doc: Getting_Started
3 in B7 is last in row
Passo 15
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in A7 changed to solution
Passo 16
Hidden Singles
valore: 1.8
categoria doc: Getting_Started
8 in B5 is last in row/column/box
Passo 17
Naked Pair
valore: 8.4
categoria doc: Naked_Candidates
Naked Pair 6/9 on cells {B6|F6} means
- 9 can be removed from A6
- 9 can be removed from G6
Last candidate 2 in G6 changed to solution
Passo 18
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 9 in J5 changed to solution
Passo 19
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 2 in A5 changed to solution
Passo 20
Unique Rectangle Type 1
valore: 28.1
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 6/9 at B4 because of B6,F6,F4
Last candidate 7 in B4 changed to solution
Passo 21
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 4 in B1 changed to solution
Passo 22
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 7 in A1 changed to solution
Last candidate 9 in B8 changed to solution
Passo 23
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 4 in A8 changed to solution
Last candidate 6 in B6 changed to solution
Passo 24
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 9 in F6 changed to solution
Passo 25
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 6 in F4 changed to solution
Passo 26
Bi-value Universal Grave
valore: 27.2
categoria doc: BUG
BUG+1 found in A4, 3 must be the solution
All other incomplete cells contain two candidates apart from A4. Other candidates in A4 would lead to zero, two or more solutions so they can be removed.
Last candidate 3 in A4 changed to solution
Passo 27
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 9 in A3 changed to solution
Last candidate 5 in A6 changed to solution
Last candidate 9 in C4 changed to solution
Last candidate 5 in J4 changed to solution
Passo 28
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 3 in C1 changed to solution
Last candidate 8 in G3 changed to solution
Last candidate 3 in H6 changed to solution
Last candidate 2 in J1 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 9 in D1 changed to solution
Last candidate 9 in G9 changed to solution
Last candidate 5 in H1 changed to solution
Last candidate 9 in H2 changed to solution
Last candidate 3 in J3 changed to solution
Last candidate 8 in J9 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in D2 changed to solution
Last candidate 2 in H9 changed to solution