WSRF Futoshiki Grandmaster

Zone-Based Inequality Solving — 5 Shapes, Mistake Tolerance, Full Coaching

4x4
Size
0/16
Filled
0:00
Time

🧠 Coach

Select a cell and enter a digit, or start a New Game.

● WSRF Zone Card

v1: Filled neighbors + inequality count
v2: Candidate count (≤2 = LIKELY)
LIKELY → Find the shape:
● Lock — forced value
◐ Signal — inequality pair
═ Beam — row/col sweep
◈ Resonance — chain network
⟶ Vision — trial placement
Mistake Budget:
Easy: 4 | Medium: 3 | Hard: 2 | Expert: 2

🔍 Cell Inspector

Select a cell
State: -
Candidates: -
v1 (constraints): -
v2 (candidates): -
Zone: -
Inequalities: -

📊 Accuracy

Correct0
Mistakes0
Accuracy-
Board Drill
Streak: 0 Best: 0 Score: 0/0

⭐ Shape Guide

📈 Session Stats

Played0
Wins0
Win Rate-
Best Time-
Streak0
Shapes Found0

🏆 Shape Mastery

💡 Quick Tips

N New Game • H Hint • 1-7 Place digit
C Candidates • T Theme • S Sound
L Zone Card • M Cycle Mode • Z Undo
Arrow keys navigate • Delete/Backspace erase

PUZZLE COMPLETE!

Shapes Found

WSRF Rating
1200

Drill Mode

Board
Rapid
Zone Sight
Full board — coach highlights each LIKELY cell. Identify the shape, then place the digit.
Coach
Board
Guide