Passi risolutivi (25)
Passo 1
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 8 in A2 changed to solution
Last candidate 7 in F3 changed to solution
Passo 2
Hidden Singles
valore: 4.8
categoria doc: Getting_Started
2 in H6 is last in column/box
3 in A7 is last in row/box
3 in J2 is last in column
4 in A3 is last in column/box
5 in J7 is last in column/box
8 in H1 is last in column/box
9 in A8 is last in column
Passo 3
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 1 in A6 changed to solution
Passo 4
Naked Singles
valore: 2
categoria doc: Getting_Started
Last candidate 6 in A5 changed to solution
Passo 5
Naked Singles
valore: 1.9
categoria doc: Getting_Started
Last candidate 2 in A1 changed to solution
Passo 6
Hidden Singles
valore: 3.4
categoria doc: Getting_Started
1 in B1 is last in row/box
2 in C7 is last in column
2 in D3 is last in row/column/box
2 in J9 is last in row/box
3 in G9 is last in row/column/box
9 in H2 is last in column/box
Passo 7
Hidden Singles
valore: 3.1
categoria doc: Getting_Started
6 in C1 is last in box
7 in G1 is last in box
8 in J8 is last in row/box
Passo 8
Naked Triple
valore: 52.8
categoria doc: Naked_Candidates
Naked Triple 4/5/9 on cells {D4|E6|F6} means
- 4/5/9 can be removed from D5
- 5/9 can be removed from E4
- 5/9 can be removed from E5
- 4/9 can be removed from F5
Last candidate 1 in E4 changed to solution
Passo 9
Hidden Singles
valore: 2.4
categoria doc: Getting_Started
1 in F9 is last in row/column/box
Passo 10
Chute Remote Pair
valore: 57.8
categoria doc: Chute_Remote_Pairs
9 cannot be set in the yellow cells {F7,F8,F9} and with the Remote Pair in D1 and E6 it means:
- 5 can be removed from D4
- 5 can be removed from E1
Passo 11
Hidden Singles
valore: 2.3
categoria doc: Getting_Started
5 in D1 is last in row/column/box
5 in E6 is last in row/box
Passo 12
XYZ Wing
valore: 128.7
categoria doc: XYZ_Wing
XYZ-Wing pattern. Hinge: D7 (4/7/8), wings D5 F7, therefore
- 8 can be removed from D9
Passo 13
Hidden Singles
valore: 2.1
categoria doc: Getting_Started
8 in B9 is last in column
Passo 14
XYZ Wing
valore: 118.8
categoria doc: XYZ_Wing
XYZ-Wing pattern. Hinge: G4 (4/5/6), wings G8 H5, therefore
- 4 can be removed from G5
Passo 15
XY-Chain
valore: 166
categoria doc: XY_Chains
length=6, chain ends: C9 and E5
This proves 7 is the solution at one or possibly both ends of the chain
-7[C9]+4[C9]-4[C6]+9[C6]-9[F6]+4[F6]-4[F7]+8[F7]-8[F5]+3[F5]-3[E5]+7[E5]
- 7 can be removed from E9
Passo 16
3D Medusa
valore: 151.9
categoria doc: 3D_Medusa
(RULE 4): Uncoloured candidate 6 in G8 can see two different coloured candidates of 6 elsewhere.
(RULE 4): Uncoloured candidate 6 in H3 can see two different coloured candidates of 6 elsewhere.
Last candidate 4 in G8 changed to solution
Last candidate 5 in H3 changed to solution
Passo 17
Naked Singles
valore: 0.8
categoria doc: Getting_Started
Last candidate 4 in H5 changed to solution
Passo 18
W-Wing
valore: 39.9
categoria doc: W_Wings
W-Wing (single). Either there is a 9 in C6 or in D4. They are connected through 4 in C9/D9, therefore
- 9 can be removed from F6
Last candidate 4 in F6 changed to solution
Passo 19
Naked Singles
valore: 0.6
categoria doc: Getting_Started
Last candidate 9 in C6 changed to solution
Last candidate 9 in D4 changed to solution
Last candidate 8 in F7 changed to solution
Passo 20
Naked Singles
valore: 0.5
categoria doc: Getting_Started
Last candidate 5 in C5 changed to solution
Last candidate 3 in F5 changed to solution
Last candidate 6 in J4 changed to solution
Passo 21
Naked Singles
valore: 0.3
categoria doc: Getting_Started
Last candidate 4 in B4 changed to solution
Last candidate 7 in C2 changed to solution
Last candidate 7 in E5 changed to solution
Last candidate 9 in F1 changed to solution
Last candidate 5 in G4 changed to solution
Last candidate 1 in G5 changed to solution
Last candidate 1 in J3 changed to solution
Passo 22
Naked Singles
valore: 0.2
categoria doc: Getting_Started
Last candidate 5 in B2 changed to solution
Last candidate 4 in C9 changed to solution
Last candidate 8 in D5 changed to solution
Last candidate 3 in E1 changed to solution
Last candidate 6 in E7 changed to solution
Last candidate 6 in G3 changed to solution
Last candidate 9 in J5 changed to solution
Passo 23
Naked Singles
valore: 0.1
categoria doc: Getting_Started
Last candidate 7 in B7 changed to solution
Last candidate 7 in D9 changed to solution
Last candidate 9 in E9 changed to solution
Passo 24
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 6 in B8 changed to solution
Last candidate 4 in D7 changed to solution
Last candidate 6 in H9 changed to solution
Passo 25
Naked Singles
valore: 0
categoria doc: Getting_Started
Last candidate 7 in H8 changed to solution