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Posted

That's true, Thailand. The slope and course rating is available for CM Gymkhana club, however, and that's a similar course in terms of size.

The reason I ask is that I regularly play HD and am trying do get an accurate, albeit unofficial handicap figure.

I'm guessing HD plays a shot or two harder than Gymkhana.

Posted

How it's done!

Course rating and slope rating are calculated for a golf course on the basis of a visit to the course by a USGA rating team.

The rating team spends time with the facility's staff going over the course, and spends a lot of time on the course itself taking measurements of various things. The USGA recommends that the rating team play the golf course it is rating either before or after the rating visit, too.

Based on the information gleaned during the visit(s), the course rating and course slope are calculated, certified by the appropriate overseeing golf associations, and given to the club, which then posts the ratings on its scorecard and elsewhere.

Course rating used to be based almost solely on length. The longer the course, the higher the rating. But obstacles (degree of difficulty), in addition to distance, are now part of the consideration.

The USGA rating team goes over the golf course with an eye to how both scratch golfers and bogey golfers play it.

A scratch golfer, in this use, is defined by the USGA as a male golfer who hits his drive 250 yards and can reach a 470-yard hole in two; or a female golfer who hits her drive 210 yards and can reach a 400-yard hole in two (and, of course, plays to scratch).

A bogey golfer, in this use, is defined by the USGA as a male golfer with a handicap index of 17.5 to 22.4, who hits his drives 200 yards and can reach a 370-yard hole in two; and a female golfer with a handicap index of 21.5 to 26.4, who hits her drives 150 yards and can reach a 280-yard hole in two.

So, for example, on a 400-yard hole, the rating team goes 200 yards down the fairway to analyze the landing area for a bogey golfer; and 250 yards down the fairway to analyze the landing area for a scratch golfer. What obstacles were encountered along the way? What is the state of the fairway at each spot for each golfer - narrow or wide, hazards close by or no hazards? What angle is left to the green? What obstacles still await - water, sand, trees? How far is the approach shot from the scratch golfer's landing area and from the bogey golfer's landing area? And so on.

Taking into account length and obstacles, and experience gleaned from playing the course, the rating team evaluates the overall difficulty of the golf course under normal playing conditions and issues the course rating for scratch golfers.

But the team also computes a "bogey rating," something many golfers don't know exists for each golf course. The bogey rating is similar to course rating, it's just an evaluation of how many strokes a bogey golfer will take to play the course rather than an evaluation of strokes needed for scratch golfers.

And the bogey rating has in important role: it is used in the calculation that produces the slope rating.

Slope, remember, is a number representing the relative difficulty of a course for bogey golfers compared to scratch golfers. The calculation that determines slope is this: bogey course rating minus USGA course rating x 5.381 for men or 4.24 for women.

The "effective playing length" and "obstacle stroke value" are the determining factors in course rating and bogey rating.

Effective playing length is exactly that - not the actual yardage on a hole or a shot, but how long the hole plays. A 400-yard hole will play shorter if it is downhill from the tee; or longer if it is uphill from the tee. Altitude affects playing length, and does the firmness of the fairways. Does the course produce a lot of roll-out on shots? Are there forced lay-ups?

Obstacle stroke value is a numerical rating of the difficulty presented by obstacles on the course. The course is rated in 10 categories: topography; ease or difficulty of hitting the fairway; propability of hitting the green from the fairway landing area; difficulty of bunkers and probability of hitting into them; probability of hitting out of bounds; how much water will come into play; how trees affect play; speed and contouring of the greens; and the psychological effect of all these things.

The rating team looks at all these things for both scratch golfers and bogey golfers, and from every set of tees. And then following the USGA's four formulas (male scratch golfer, female scratch golfer, male bogey golfer, female bogey golfer), some adding, subtracting, multiplying and dividing, the rating team produces its numbers.

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  • Like 1
Posted

Many thanks for that Thailand. I guess there's no hope that HD will get a rating then!

It looks like I'll have to play on a full course - Highlands/Green Valley or the like - to be able to get a more accurate assessment of my handicap.

Posted

Many thanks for that Thailand. I guess there's no hope that HD will get a rating then!

It looks like I'll have to play on a full course - Highlands/Green Valley or the like - to be able to get a more accurate assessment of my handicap.

Price wise by far the best deals are currently at Inthanon & Gold Canyon both full 18 hole courses.

Posted

Many thanks for that Thailand. I guess there's no hope that HD will get a rating then!

It looks like I'll have to play on a full course - Highlands/Green Valley or the like - to be able to get a more accurate assessment of my handicap.

Price wise by far the best deals are currently at Inthanon & Gold Canyon both full 18 hole courses.

Thanks for the heads up. I've got a week off so I'll try and play one of them.

Posted

thaigolfer.com has a handicap tracking feature for members at a the courses listed in their directory. HD is listed but, as I don't use the handicap feature, know if or how accurate the rating is for HD. Frank S. of the Chiang Mai Social Golfers is the handicapper and has worked hard to set up a fair equitable handicapping of all the CM courses. Try contacting them through their site http://www.chiangmaigolfers.blogspot.com/

Posted

What kind of shape is Hang Dong in, I'm thinking about heading down for a round. I've heard it's a nice place, and fairly well managed, what are the prices?

Posted

@Sticklee - cheers for the info. I'll check that link out.

@LarryBird - I played there last Friday and it was in okay condition. The tee boxes have never been great, but the fairways and greens are pretty good considering the price. It's 200 baht for 9 holes and 380 for 2 rounds. You can rent golf carts, but I'm not sure how much they are. Organization on the first tee is pretty non-existent and can be chaotic at times. It's best to get there either very early or just after lunch.

  • Like 1
Posted

(2 "rounds" at HD being 18 holes)

THB340 or THB360 holidays.

There is actually a "system" on the first tee operated by the caddies based on old players ( those already on the course coming off the 9th fairway)have priority over new players at the first tee.

Then works on the old, new,old,new basis.

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