Passi risolutivi (37)
Passo 1
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in B8 changed to solution
Passo 2
Naked Singles
valore: 2.8
categoria doc: Getting_Started
Last candidate 5 in D8 changed to solution
Passo 3
Hidden Singles
valore: 5.1
categoria doc: Getting_Started
1 in E1 is last in column/box
2 in D4 is last in row/column/box
4 in E9 is last in column/box
9 in E4 is last in column
Passo 4
Hidden Singles
valore: 4.8
categoria doc: Getting_Started
1 in D5 is last in row/box
Passo 5
Hidden Singles
valore: 4.6
categoria doc: Getting_Started
1 in H6 is last in row
Passo 6
Hidden Singles
valore: 4.4
categoria doc: Getting_Started
9 in J6 is last in column/box
Passo 7
Hidden Pair
valore: 42.1
categoria doc: Hidden_Candidates
Hidden Pair 8/9 in Box 3, on cells {A7|B7}
- removes 1/5/7 from A7
- removes 2/7 from B7
Passo 8
Hidden Singles
valore: 4.1
categoria doc: Getting_Started
1 in A4 is last in row
2 in B9 is last in row
Passo 9
Hidden Singles
valore: 3.9
categoria doc: Getting_Started
2 in J7 is last in column/box
Passo 10
Hidden Pair
valore: 37.1
categoria doc: Hidden_Candidates
Hidden Pair 1/5 in Col 7, on cells {C7|G7}
- removes 3/7 from C7
- removes 3/6 from G7
Passo 11
Pointing Pairs
valore: 54.5
categoria doc: Intersection_Removal
Pair: between Box 4 and Col 3:
- 5 can be removed from G3
- 5 can be removed from H3
- 5 can be removed from J3
Passo 12
Pointing Pairs
valore: 53.6
categoria doc: Intersection_Removal
Pair: between Box 2 and Col 5:
- 8 can be removed from E5
- 8 can be removed from F5
Passo 13
X-Wing
valore: 104
categoria doc: X_Wing_Strategy
(Row->Col) 5 taken off C6, based on CG47
(Row->Col) 5 taken off C9, based on CG47
(Row->Col) 5 taken off G1, based on CG47
(Row->Col) 5 taken off G6, based on CG47
Passo 14
Naked Pair
valore: 17.1
categoria doc: Naked_Candidates
Naked Pair 6/7 on cells {C6|G6} means
- 7 can be removed from E6
- 7 can be removed from F6
Passo 15
Naked Pair
valore: 16.8
categoria doc: Naked_Candidates
Naked Pair 5/8 on cells {E6|F6} means
- 5 can be removed from E5
- 5 can be removed from F5
Passo 16
Naked Pair
valore: 16.4
categoria doc: Naked_Candidates
Naked Pair 3/7 on cells {E5|F5} means
- 7 can be removed from A5
- 7 can be removed from B5
- 7 can be removed from J5
Passo 17
Naked Pair
valore: 16.1
categoria doc: Naked_Candidates
Naked Pair 3/7 on cells {F5|F7} means
- 7 can be removed from F2
- 7 can be removed from F3
Passo 18
Pointing Pairs
valore: 47
categoria doc: Intersection_Removal
Pair: between Box 8 and Row G:
- 7 can be removed from G1
- 7 can be removed from G2
- 7 can be removed from G3
Passo 19
Unique Rectangle Type 1
valore: 61.6
categoria doc: Unique_Rectangle
Uniqueness Type 1 removing 3/7 at E7 because of E5,F5,F7
Last candidate 6 in E7 changed to solution
Passo 20
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 7 in D7 changed to solution
Passo 21
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 6 in D3 changed to solution
Last candidate 3 in F7 changed to solution
Passo 22
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 7 in F5 changed to solution
Passo 23
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 3 in E5 changed to solution
Passo 24
Chute Remote Pair
valore: 63.3
categoria doc: Chute_Remote_Pair
5 cannot be set in the yellow cells {G1,G2,G3} and with the Remote Pair in H5 and J9 it means:
- 6 can be removed from H9
- 6 can be removed from J5
Passo 25
Hidden Singles
valore: 2.5
categoria doc: Getting_Started
6 in J9 is last in column/box
Passo 26
Rectangle Elimination
valore: 60.5
categoria doc: Rectangle_Elimination
If +6[G1] then -6[A1] forcing +6[A5] which removes all 6s from box 8, so G1 cannot be 6
Last candidate 4 in G1 changed to solution
Passo 27
Naked Singles
valore: 1.1
categoria doc: Getting_Started
Last candidate 7 in J3 changed to solution
Passo 28
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 9 in A3 changed to solution
Last candidate 5 in J1 changed to solution
Passo 29
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in A7 changed to solution
Last candidate 7 in B1 changed to solution
Last candidate 4 in J5 changed to solution
Passo 30
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 6 in A1 changed to solution
Last candidate 4 in B4 changed to solution
Last candidate 8 in B5 changed to solution
Last candidate 9 in B7 changed to solution
Passo 31
Naked Singles
valore: 0.7
categoria doc: Getting_Started
Last candidate 5 in A5 changed to solution
Last candidate 9 in H1 changed to solution
Passo 32
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 7 in A9 changed to solution
Last candidate 7 in C4 changed to solution
Last candidate 6 in H5 changed to solution
Passo 33
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 6 in C6 changed to solution
Last candidate 3 in C9 changed to solution
Last candidate 5 in G4 changed to solution
Last candidate 7 in G6 changed to solution
Last candidate 2 in H2 changed to solution
Passo 34
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 4 in C2 changed to solution
Last candidate 1 in C8 changed to solution
Last candidate 1 in G7 changed to solution
Last candidate 3 in H3 changed to solution
Last candidate 5 in H9 changed to solution
Passo 35
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 2 in C3 changed to solution
Last candidate 5 in C7 changed to solution
Last candidate 8 in F2 changed to solution
Last candidate 8 in G3 changed to solution
Last candidate 3 in G8 changed to solution
Passo 36
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 7 in E2 changed to solution
Last candidate 5 in E3 changed to solution
Last candidate 5 in F6 changed to solution
Last candidate 6 in G2 changed to solution
Passo 37
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 8 in E6 changed to solution
Last candidate 4 in F3 changed to solution