Is it permissible to use a Stimpmeter to measure the speed of the greens before teeing off? Rules Guy has the answer.

The post Rules Guy: Is it legal to use a Stimpmeter to gauge the speed of the greens before playing? appeared first on Golf.

Is it permissible to use a Stimpmeter to measure the speed of the greens before teeing off? Rules Guy has the answer.

The post Rules Guy: Is it legal to use a Stimpmeter to gauge the speed of the greens before playing? appeared first on Golf.

The Rules of Golf are tricky! Thankfully, we’ve got the guru. Our Rules Guy knows the book front to back. Got a question? He’s got all the answers.

I’m the type of guy who likes to know what I’m getting into before I play. Can I use a Stimpmeter to check the speed of the greens on the day of a competition? —Douglas Wilson, Blairgowrie, Scotland

Nae, Douglas, at least in stroke play — Rule 5.2 prohibits rolling a ball on the surface of any putting green on the course before a round in stroke play.

If you were to do this on more than one putting green, you would be disqualified.

In match play, however, practicing beforehand on the course is allowed. All that said, if we’re talking Scotland, green speeds will be in the single digits, promise. Give those putts a good rap!

For more green-reading guidance from our guru, read on …

Our club has green-reading contour books, but the print is so small that I can’t make out the details. I took a picture of each page with my cell phone to be able to enlarge the image enough to see the slopes.  A competitor called me out, citing a prohibition against electronics in tournament play. I said it was previously compiled material. Who was right in this blowup? —Scott Kulla, via e-mail

In all-caps, bold-faced, oversized type: YOU! A player can access or review any material that was preprinted or created prior to the round. There is no issue with accessing that info on your iPhone. 

Still, it’s not always smart to reach for that smartphone. Calling a friend for advice or studying an analysis of strokes made during the round, as examples, would be operator errors and land you in hot water, Rules-wise … and placing the phone on a bed of dry rice wouldn’t fix it.

Need help unriddling the greens at your home course? Pick up a custom Green Book from Golf Logix.

Got a question about the Rules? Ask the Rules Guy! Send your queries, confusions and comments to rulesguy@golf.com. We promise he won’t throw the book at you.

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The post Rules Guy: Is it legal to use a Stimpmeter to gauge the speed of the greens before playing? appeared first on Golf.