Golf Mentor Puzzle No. 22

Q1: Match play: B asks A for count. A says '3' but had a 1-stroke penalty (actually '4'). B putts, then A corrects. Ruling on A?

Santa Rosa Golf and Beach Club  — Hole 8  (Par 3)

Knowing the rules can save strokes

To know the Rules of Golf is to truly enjoy the game. - USGA