Passi risolutivi (29)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 6 in J9 changed to solution
Passo 2
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 8 in J7 changed to solution
Passo 3
Naked Singles
valore: 2.8
categoria doc: Getting_Started
Last candidate 1 in J8 changed to solution
Passo 4
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 5 in H8 changed to solution
Passo 5
Naked Singles
valore: 2.6
categoria doc: Getting_Started
Last candidate 3 in G8 changed to solution
Passo 6
Hidden Singles
valore: 4.5
categoria doc: Getting_Started
4 in C4 is last in column
4 in E8 is last in row/box
4 in H6 is last in box
5 in E7 is last in box
5 in F6 is last in row
5 in G2 is last in row/column/box
8 in A8 is last in row
8 in B6 is last in column/box
Passo 7
Hidden Singles
valore: 3.5
categoria doc: Getting_Started
2 in D6 is last in box
2 in F8 is last in row
7 in A5 is last in row
7 in C8 is last in column/box
8 in F2 is last in column
8 in G1 is last in row/box
Passo 8
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 6 in B8 changed to solution
Last candidate 6 in C6 changed to solution
Last candidate 3 in D9 changed to solution
Passo 9
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 3 in B5 changed to solution
Last candidate 9 in D8 changed to solution
Last candidate 7 in G6 changed to solution
Passo 10
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in C5 changed to solution
Last candidate 6 in D7 changed to solution
Last candidate 9 in E6 changed to solution
Passo 11
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 2 in C9 changed to solution
Passo 12
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 4 in B9 changed to solution
Passo 13
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 5 in A9 changed to solution
Last candidate 2 in B2 changed to solution
Passo 14
Naked Pair
valore: 8.7
categoria doc: Naked_Candidates
Naked Pair 6/9 on cells {A3|F3} means
- 6 can be removed from E3
- 6 can be removed from G3
- 9 can be removed from J3
Passo 15
Naked Pair
valore: 8.4
categoria doc: Naked_Candidates
Naked Pair 1/7 on cells {D2|E3} means
- 1/7 can be removed from E2
Passo 16
Pointing Pairs
valore: 24.8
categoria doc: Intersection_Removal
Pair: between Box 7 and Row H:
- 6 can be removed from H5
Passo 17
Unique Rectangle Type 1
valore: 31.9
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 3/9 at A2 because of A7,C7,C2
Passo 18
Chute Remote Pair
valore: 39.2
categoria doc: Chute_Remote_Pairs
9 cannot be set in the yellow cells {D2,E2,F2} and with the Remote Pair in A3 and H1 it means:
- 6 can be removed from A1
Passo 19
Y-Wing
valore: 60.5
categoria doc: Y_Wing_Strategy
Y-Wing pattern. Hinge: C2 (3/9), wings A3 E2, therefore
- 6 can be removed from A2
- 6 can be removed from F3
Last candidate 4 in A2 changed to solution
Last candidate 9 in F3 changed to solution
Passo 20
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 6 in A3 changed to solution
Passo 21
Hidden Singles
valore: 1.3
categoria doc: Getting_Started
4 in J1 is last in row/column/box
Passo 22
Rectangle Elimination
valore: 30.9
categoria doc: Rectangle_Elimination
If +1[G4] then -1[D4] forcing +1[D2] which removes all 1s from Box 7, so G4 cannot be 1
Last candidate 6 in G4 changed to solution
Passo 23
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 3 in F4 changed to solution
Passo 24
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 6 in F1 changed to solution
Passo 25
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 3 in E2 changed to solution
Last candidate 9 in H1 changed to solution
Passo 26
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 3 in A1 changed to solution
Last candidate 9 in C2 changed to solution
Last candidate 1 in H5 changed to solution
Last candidate 7 in J2 changed to solution
Passo 27
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 9 in A7 changed to solution
Last candidate 3 in C7 changed to solution
Last candidate 1 in D2 changed to solution
Last candidate 6 in E5 changed to solution
Last candidate 2 in G5 changed to solution
Last candidate 6 in H2 changed to solution
Last candidate 2 in J3 changed to solution
Passo 28
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 7 in D4 changed to solution
Last candidate 7 in E3 changed to solution
Last candidate 1 in G3 changed to solution
Last candidate 9 in J5 changed to solution
Passo 29
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 1 in E4 changed to solution