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High-Performance Deterministic Sudoku Generator, Candidate Elimination Metric Evaluator, & GORM Database API Engine.
⚡ HTML5 Web Canvas EngineHardScore: 84.50
Naked SingleStep 1 / 44
Deduction provenance will appear as steps execute.
⬌ Row:4
⬍ Col:3
▦ Box:2
★ Step:1.45

⚡ Fast PRNG (FastRand)

Non-blocking Xorshift64 pseudo-random generator. Learn more in the Architecture Guide.

🧩 Logical Carving Engine

Guarantees 100% logical solvability. Learn more in the Solver Guide.

📊 Elimination Metrics & Difficulty

Tracks cross-horizontal, cross-vertical, and box-3x3 elimination reasons. Learn more in the Difficulty Guide.

🗄️ PostgreSQL & GORM Storage

Relational GORM database persistence with SQLite fallback. Learn more in the Database Guide.