WSRF Renban Sudoku Grandmaster

🧠 Coach

Select a difficulty and click New Game to begin.

● WSRF Zone Card (L)

v1: Constraint fill (≥5 = LIKELY)

v2: Candidates (≤2 = LIKELY)

LIKELY → Find the shape:

● Lock — renban forced single

◐ Signal — renban squeeze

═ Beam — renban chain

◈ Resonance — renban-box

⟶ Vision — trial chain

Mistake Budget:

Easy: 10 | Med: 8 | Hard: 7 | Expert: 7

🔍 Cell Inspector

Click a cell

State: -

Candidates: -

v1: -

v2: -

Zone: -

🟣 Selected Renban Line

Click a cell on a renban line to see its analysis.

📊 Accuracy

Correct0

Mistakes0

Accuracy-

Board Drill

Streak: 0 Best: 0 Score: 0/0

⭐ Shape Guide

📈 Session Stats

Played0

Wins0

Win Rate-

Best Time-

Streak0

Shapes0

🏆 Shape Mastery

💡 Quick Tips

N New Game • H Hint • 1-9 Place digit
T Theme • S Sound • L Zone Card
M Cycle Mode • Esc Close overlay
Del/Bksp Erase • Ctrl+Z Undo • Arrows navigate