Passi risolutivi (30)
Passo 1
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 5 in B4 changed to solution
Passo 2
Naked Singles
valore: 1
categoria doc: Getting_Started
Last candidate 6 in H4 changed to solution
Passo 3
Naked Singles
valore: 2.8
categoria doc: Getting_Started
Last candidate 3 in G4 changed to solution
Passo 4
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 4 in E4 changed to solution
Passo 5
Naked Singles
valore: 2.7
categoria doc: Getting_Started
Last candidate 9 in D4 changed to solution
Passo 6
Hidden Singles
valore: 4.9
categoria doc: Getting_Started
4 in B1 is last in row/box
5 in E1 is last in row/box
5 in H5 is last in column/box
6 in C6 is last in column
6 in D5 is last in row/box
Passo 7
Hidden Singles
valore: 4.2
categoria doc: Getting_Started
2 in E9 is last in row
3 in C5 is last in box
7 in F5 is last in column/box
9 in B9 is last in row
Passo 8
Naked Singles
valore: 1.8
categoria doc: Getting_Started
Last candidate 8 in E5 changed to solution
Passo 9
Naked Singles
valore: 1.7
categoria doc: Getting_Started
Last candidate 3 in E6 changed to solution
Last candidate 2 in G5 changed to solution
Passo 10
Naked Singles
valore: 1.5
categoria doc: Getting_Started
Last candidate 1 in B5 changed to solution
Last candidate 1 in F6 changed to solution
Last candidate 8 in H6 changed to solution
Passo 11
Naked Singles
valore: 1.4
categoria doc: Getting_Started
Last candidate 2 in B6 changed to solution
Last candidate 8 in F7 changed to solution
Passo 12
Naked Singles
valore: 1.3
categoria doc: Getting_Started
Last candidate 7 in B7 changed to solution
Last candidate 1 in D7 changed to solution
Passo 13
Naked Singles
valore: 1.2
categoria doc: Getting_Started
Last candidate 6 in G7 changed to solution
Passo 14
Hidden Singles
valore: 2.4
categoria doc: Getting_Started
7 in G9 is last in row/column/box
Passo 15
Naked Pair
valore: 11.3
categoria doc: Naked_Candidates
Naked Pair 3/4 on cells {D8|D9} means
- 3 can be removed from D1
- 3/4 can be removed from D2
- 4 can be removed from D3
Last candidate 2 in D2 changed to solution
Passo 16
Hidden Pair
valore: 19.8
categoria doc: Hidden_Candidates
Hidden Pair 3/8 in Row A, on cells {A8|A9}
- removes 1/2 from A8
- removes 1/5 from A9
Passo 17
Hidden Pair
valore: 19.5
categoria doc: Hidden_Candidates
Hidden Pair 1/4 in Box 9, on cells {G8|H9}
- removes 8 from G8
Passo 18
Hidden Singles
valore: 1.9
categoria doc: Getting_Started
8 in G1 is last in row
Passo 19
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 7 in D1 changed to solution
Passo 20
Naked Singles
valore: 0.9
categoria doc: Getting_Started
Last candidate 8 in D3 changed to solution
Passo 21
Hidden Singles
valore: 1.7
categoria doc: Getting_Started
7 in C3 is last in row/column/box
Passo 22
Pointing Pairs
valore: 23.5
categoria doc: Intersection_Removal
Pair: between Box 3 and Row C:
- 1 can be removed from C1
- 1 can be removed from C2
Passo 23
Pointing Pairs
valore: 22.7
categoria doc: Intersection_Removal
Pair: between Box 9 and Row J:
- 2 can be removed from J1
- 2 can be removed from J3
Passo 24
Chute Remote Pair
valore: 36.5
categoria doc: Chute_Remote_Pairs
9 cannot be set in the yellow cells {A3,B3,C3} and with the Remote Pair in F1 and J2 it means:
- 3 can be removed from F2
- 3 can be removed from J1
Passo 25
Hidden Singles
valore: 1.4
categoria doc: Getting_Started
3 in F1 is last in row/column/box
3 in J2 is last in row/column/box
Passo 26
Bi-value Universal Grave
valore: 38.8
categoria doc: BUG
BUG+1 found in A1, 2 must be the solution
All other incomplete cells contain two candidates apart from A1. Other candidates in A1 would lead to zero, two or more solutions so they can be removed.
Last candidate 2 in A1 changed to solution
Passo 27
Naked Singles
valore: 0.4
categoria doc: Getting_Started
Last candidate 6 in A3 changed to solution
Last candidate 5 in A7 changed to solution
Last candidate 9 in C1 changed to solution
Last candidate 1 in H1 changed to solution
Passo 28
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 1 in A2 changed to solution
Last candidate 5 in C2 changed to solution
Last candidate 1 in C9 changed to solution
Last candidate 4 in G2 changed to solution
Last candidate 4 in H9 changed to solution
Last candidate 6 in J1 changed to solution
Last candidate 9 in J3 changed to solution
Last candidate 2 in J7 changed to solution
Passo 29
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 2 in C8 changed to solution
Last candidate 3 in D9 changed to solution
Last candidate 9 in F2 changed to solution
Last candidate 4 in F3 changed to solution
Last candidate 1 in G8 changed to solution
Last candidate 2 in H3 changed to solution
Last candidate 8 in J8 changed to solution
Passo 30
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 3 in A8 changed to solution
Last candidate 8 in A9 changed to solution
Last candidate 4 in D8 changed to solution
Last candidate 5 in J9 changed to solution