Passi risolutivi (35)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 5 in H9 changed to solution
Passo 2
Naked Singles
valore: 3
categoria doc: Getting_Started
Last candidate 1 in G8 changed to solution
Passo 3
Naked Singles
valore: 2.9
categoria doc: Getting_Started
Last candidate 9 in D8 changed to solution
Last candidate 2 in H7 changed to solution
Passo 4
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 1 in H2 changed to solution
Last candidate 3 in J7 changed to solution
Passo 5
Hidden Singles
valore: 4.8
categoria doc: Getting_Started
2 in F2 is last in column
2 in J1 is last in row/box
5 in B5 is last in column
7 in H5 is last in column
8 in H3 is last in row/box
Passo 6
Hidden Singles
valore: 4
categoria doc: Getting_Started
2 in B6 is last in column
2 in D4 is last in row/box
7 in G3 is last in row/column/box
Passo 7
Hidden Singles
valore: 3.8
categoria doc: Getting_Started
6 in G1 is last in box
Passo 8
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 4 in D1 changed to solution
Passo 9
Hidden Pair
valore: 33
categoria doc: Hidden_Candidates
Hidden Pair 6/9 in Box 3, on cells {B7|C7}
- removes 4 from B7
- removes 4/5/7 from C7
Passo 10
Line/Unit Reduction
valore: 64.4
categoria doc: Intersection_Removal
Line/Box Reduction: 3s in box 5 remove the following in the same box:
- 3 can be removed from E4
- 3 can be removed from E6
- 3 can be removed from F6
Passo 11
Line/Unit Reduction
valore: 62.7
categoria doc: Intersection_Removal
Line/Box Reduction: 4s in box 5 remove the following in the same box:
- 4 can be removed from E4
- 4 can be removed from E6
- 4 can be removed from F6
Passo 12
Line/Unit Reduction
valore: 61.6
categoria doc: Intersection_Removal
Line/Box Reduction: 6s in box 5 remove the following in the same box:
- 6 can be removed from E4
- 6 can be removed from E6
Passo 13
Rectangle Elimination
valore: 76.3
categoria doc: Rectangle_Elimination
If +4[G4] then -4[B4] forcing +4[B3] which removes all 4s from box 7, so G4 cannot be 4
Passo 14
Rectangle Elimination
valore: 75.7
categoria doc: Rectangle_Elimination
If +5[E3] then -5[A3] forcing +5[A7] which removes all 5s from box 6, so E3 cannot be 5
Passo 15
Rectangle Elimination
valore: 75
categoria doc: Rectangle_Elimination
If +5[F7] then -5[F1] forcing +5[C1] which removes all 5s from box 3, so F7 cannot be 5
Passo 16
Pointing Pairs
valore: 44.6
categoria doc: Intersection_Removal
Pair: between Box 6 and Row E:
- 5 can be removed from E2
Last candidate 3 in E2 changed to solution
Passo 17
Hidden Singles
valore: 2.8
categoria doc: Getting_Started
3 in A3 is last in column/box
Passo 18
Hidden Singles
valore: 2.6
categoria doc: Getting_Started
5 in A7 is last in row
Passo 19
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 8 in C8 changed to solution
Passo 20
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 5 in E8 changed to solution
Passo 21
Hidden Singles
valore: 2.2
categoria doc: Getting_Started
7 in D7 is last in column
8 in B1 is last in column/box
8 in F9 is last in column/box
Passo 22
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 3 in D9 changed to solution
Passo 23
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 6 in D5 changed to solution
Passo 24
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in D3 changed to solution
Last candidate 4 in E5 changed to solution
Passo 25
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 1 in E7 changed to solution
Last candidate 3 in F5 changed to solution
Passo 26
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 4 in F7 changed to solution
Passo 27
Hidden Singles
valore: 1.5
categoria doc: Getting_Started
1 in F6 is last in row/box
1 in J4 is last in column
6 in E3 is last in row/column/box
Passo 28
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 4 in J6 changed to solution
Passo 29
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 3 in G6 changed to solution
Last candidate 5 in J3 changed to solution
Passo 30
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 9 in F3 changed to solution
Last candidate 4 in G2 changed to solution
Last candidate 5 in G4 changed to solution
Passo 31
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 4 in B3 changed to solution
Last candidate 5 in C2 changed to solution
Last candidate 5 in F1 changed to solution
Passo 32
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 6 in B4 changed to solution
Last candidate 9 in C1 changed to solution
Passo 33
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 9 in B7 changed to solution
Last candidate 7 in C6 changed to solution
Last candidate 6 in C7 changed to solution
Last candidate 9 in H4 changed to solution
Passo 34
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 8 in A6 changed to solution
Last candidate 4 in C9 changed to solution
Last candidate 8 in E4 changed to solution
Last candidate 6 in H6 changed to solution
Passo 35
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 4 in A4 changed to solution
Last candidate 7 in A9 changed to solution
Last candidate 3 in C4 changed to solution
Last candidate 9 in E6 changed to solution