Sudoku

Sudoku

Candidates Display show/hide 1 2 3 4 5 6 7 8 9

Legend

- cells given by clues (givens,preset)

- cells with multiple candidates

- cells solved after parsing (scc)

- cells solved after applying rules

scc = single-candidate cells, single-cell candidates
(will be solved during parse step, ie validation of clues)

Score

rating:

points:

time taken:

rules:

Create Options

select rating level:
- --- default ---
- easy
- moderate
- hard
- extreme
- fiendish
- diabolical
- hard (default)
- all detail rules
- all group rules
- brute-force
or
select board sample:

Givens

Strategies/Rules/Methods

enable/disable all Stategies
H0 - Hatching
- H1 - Virtual-Cross Hatching
- H2 - Conjugate-Pair Hatching
- H3 - Disjoint-Subset Hatching
D0 - Disjoint Subsets
- D2 - Pair
- D3 - Triple
- D4 - Quad
- D5 - Penta
- D6 - Hexa
- D7 - Hepta
I0 - Intersection (Pointing/Claiming)
- IC - Claiming (Col/Box,Row/Box)
- IP - Pointing (Box/Col,Box/Row)
S0 - Single Digit Patterns
- SE - EmptyRectangle
- SK - 2-String Kite
- SS - Skyscraper
- ST - Turbot Fish
W0 - Wings
- WW - W-Wing
- WY - XY-Wing
- WZ - XYZ-Wing
F0 - (finned) basic/franken/mutant FISH
- F1 - Basic X-Wing (Fish)
- F2 - Basic Swordfish
- F3 - Basic Jellyfish
- F4 - Franken X-Wing (Fish)
- F5 - Franken Swordfish
- F6 - Franken Jellyfish
- F7 - Mutant X-Wing (Fish)
- F8 - Mutant Swordfish
- F9 - Mutant Jellyfish
U0 - Uniqueness
- U1 - Unique Rectangle Type 1
- U2 - Unique Rectangle Type 2
- U3 - Unique Rectangle Type 3
- U4 - Unique Rectangle Type 4
- U5 - Unique Rectangle Type 5
- U6 - Unique Rectangle Type 6
- U7 - Hidden Rectangle
R0 - Remote-Pair
C0 - Coloring
- CM - Multi Coloring
- CS - Simple Coloring
X0 - X-Chains
- XC - Continuous X-Chain
- XD - Dis-Continuous X-Chain
- XO - Strong-Ends X-Chain
- XS - Strong Dis-Continuous X-Chain
- XW - Weak Dis-Continuous X-Chain
A0 - Almost Locked Subsets (ALS)
- A1 - Virtual-Cell ALS
- A2 - Restricted-Common-Candidate ALS
Y0 - XY-Chains
L0 - Nice Loops
- LB - Strong/Weak Dis-Continuous Nice Loop
- LC - Continuous Nice Loop
- LD - Dis-Continuous Nice Loop
- LS - Strong Dis-Continuous Nice Loop
- LW - Weak Dis-Continuous Nice Loop
N0 - Nishio
B0 - brute force (depth-first search)