Larsdoku

Research v1.4.0
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1.000
Empty
Likely
R1 Ora
Conflicts
Abs
Rel
Grid
G+C
Sct
Active
Shared Rank-1 Conflicts
Load a puzzle
Suggest Next Move
Hit "Suggest" to find the easiest next move
SIRO Bootstrap
Self-verify predictions without seeing the answer
Technique Scanner
Scan to find techniques
Cell Techniques
Click a cell to scan
Prune candidates to top-N by WSRF rank, then solve with L1+L2 techniques.
Recompute zones after every move
Include zone-based heuristic placements
Template, UR 2-4, BUG+1, Exocet, Double Exocet
ALS-XZ, ALS-XY Wing, X-Cycle, Aligned Pair Exclusion, Kraken Fish
Stephen Kurzhals Loop — linking digits across 2x2 box rectangles
Proof-by-contradiction — trial placement + L1 propagation + chain verification
Empty Rectangle + finned extension
Gold-filtered placement + propagation elimination
Branch all pivot candidates, eliminate common contradictions
Zone prediction + exhaustion proof — skip testing predicted digit
Start from cell where SIR rank-1 is scouting (FPC cascade)
Pick Top-N and hit "Solve Top-N"
Forge & Shuffle
Cell Inspector
Click a cell to inspect its zone breakdown