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Course Rankings by Slope Rating

  • 01-10-2020 3:18pm
    #1
    Registered Users Posts: 1,513 ✭✭✭ Exactly


    With the new Slope Ratings released for each course I thought it would be a good idea to compile a table with the slope rating of each course. Will enable us to see how each course rates against the others and whether we agree with it or not.

    Please update the table with the slope rating of your club off the back tees and we will see how many we can get.

    Club|Slope Rating|Par|Course Rating
    The Heritage|147|74|76.7
    Mount Juliet|142|72|75.6
    Faithlegg|137|72|73.2
    Fermoy|136|70|70.8
    Castleknock|135|72|73.9
    Co. Meath|135|73|73.4
    Tramore|135|72|73
    Birr|134|70|72.3
    Portmarnock Links|132|71|75.2
    Douglas|132|72|72.9
    Fota Island|131|71|73.5
    Youghal|131|71|72.1
    Craddockstown|128|72|72.4
    Stackstown Gate|128|72|71.8
    Balbriggan|127|72|72.4
    Royal Curragh|127|72|71.7
    Castlebar|126|72|71.4
    Stackstown Cottage|125|71|70
    Elmgreen|122|70|69.5
    Corballis|112|66|65.5


«13456

Comments

  • Registered Users Posts: 925 ✭✭✭ OEP


    Where does one go to get the rating?


  • Closed Accounts Posts: 294 ✭✭ Hadlee Pitiful Mind


    OEP wrote: »
    Where does one go to get the rating?

    https://ncrdb.usga.org/


  • Registered Users Posts: 2,331 mike12



    I'm not sure that's the official ranking, my club was in there before they did the rating.


  • Closed Accounts Posts: 294 ✭✭ Hadlee Pitiful Mind


    mike12 wrote: »
    I'm not sure that's the official ranking, my club was in there before they did the rating.

    Unsure, I asked another poster on a different thread whether the above was different to that which the club was given.

    They said no but obviously that doesn't mean it won't differ.


  • Registered Users Posts: 12,308 ✭✭✭✭ prawnsambo


    mike12 wrote: »
    I'm not sure that's the official ranking, my club was in there before they did the rating.
    Before the rating was done or before it was issued? Because mine was in there before it was issued and it's exactly the same.


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  • Registered Users Posts: 14,616 ✭✭✭✭ Seve OB


    Exactly wrote: »
    With the new Slope Ratings released for each course I thought it would be a good idea to compile a table with the slope rating of each course. Will enable us to see how each course rates against the others and whether we agree with it or not.

    Please update the table with the slope rating of your club off the back tees and we will see how many we can get.

    Club|Slope Rating|Par|Course Rating
    Balbriggan|127|72|72.4

    it there only one set of tees at balbriggan?


  • Registered Users Posts: 4,716 ✭✭✭ CalamariFritti


    Club|Slope Rating|Par|Course Rating
    Tramore|135|72|73


    Sounds quite tough, not sure what to make of it.

    But when comparing to nearby courses it seems to fit. Easier than Mt Juliet, a tad tougher than Kilkenny & Gowran. Tougher than other Waterford courses except Faithlegg which is a tad tougher off the blues and a tad easier off the whites.

    Sounds about right.

    A bit tougher than Fota, that I don't know about. Maybe with back tees in Fota they don have the actual Irish Open tees. Cant see it being easier from back there than Tramore.

    Edit Didn't notice the back tees thing first


  • Registered Users Posts: 19,574 ✭✭✭✭ PARlance


    Seve OB wrote: »
    it there only one set of tees at balbriggan?

    Only one set of back tees, and that's what he clearly asked for.


  • Registered Users Posts: 19,574 ✭✭✭✭ PARlance


    Castlebar, Blues, Par 72, Slope Rating 126, Course Rating 71.4

    On the phone OP so can't update table.


  • Registered Users Posts: 350 ✭✭ Skyfloater


    I don't know anything about how slope ratings are done, but what relevance would knowing the rating off the back tees be to most people who play off the whites/greens?


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  • Registered Users Posts: 4,716 ✭✭✭ CalamariFritti


    True, we play off the back tees maybe 3 or 4 times a year except for matches. Opens always whites.


  • Registered Users Posts: 1,723 ✭✭✭ eoghan104


    Castleknock 135 72 73.9

    Higher than I expected, I suppose this means my handicap will be lower for most other courses?


  • Closed Accounts Posts: 294 ✭✭ Hadlee Pitiful Mind


    Club|Slope Rating|Par|Course Rating
    Tramore|135|72|73


    Sounds quite tough, not sure what to make of it.

    But when comparing to nearby courses it seems to fit. Easier than Mt Juliet, a tad tougher than Kilkenny & Gowran. Tougher than other Waterford courses except Faithlegg which is a tad tougher off the blues and a tad easier off the whites.

    Sounds about right.

    A bit tougher than Fota, that I don't know about. Maybe with back tees in Fota they don have the actual Irish Open tees. Cant see it being easier from back there than Tramore.

    Edit Didn't notice the back tees thing first

    This rating is interesting. I had a discussion a few weeks ago regarding Faithlegg vs Tramore in terms of difficulty.

    My own opinion as a higher handicapper was that Faithlegg was more difficult for me.

    I felt I put myself in more difficult spots in Faithlegg. They were in total disagreement that Tramore was much more difficult.

    No reference to tees at all.


  • Registered Users Posts: 2,331 mike12


    The harder the course is it the bigger the difference between par and the course rating?
    So par 72 course rating 76 Is harder than par 72 rating 71.


  • Registered Users Posts: 822 ✭✭✭ paulos53


    mike12 wrote: »
    The harder the course is it the bigger the difference between par and the course rating?
    So par 72 course rating 76 Is harder than par 72 rating 71.


    This seems to be the best way to compare the difficulty of courses. Course rating is based off the expected scores of scratch players so it certainly a good indicator of difficulty for low handicap players


  • Registered Users Posts: 12,308 ✭✭✭✭ prawnsambo


    mike12 wrote: »
    The harder the course is it the bigger the difference between par and the course rating?
    So par 72 course rating 76 Is harder than par 72 rating 71.
    But course rating doesn't come into the equation when calculating a course handicap for a player playing that course. It only comes into effect when calculating their handicap index after they've played it.


  • Registered Users Posts: 1,658 ✭✭✭ Golfgraffix


    eoghan104 wrote: »
    Castleknock 135 72 73.9

    Higher than I expected, I suppose this means my handicap will be lower for most other courses?

    Very surprised at that, I would have thought that of the really good Dublin courses that Castleknock was one of the easier. I really like the course but would never Have thought it was a tough course at all.

    My own home course (Portmarnock Links) is 129 off the whites

    J


  • Registered Users Posts: 1,513 ✭✭✭ Exactly


    Seve OB wrote: »
    it there only one set of tees at balbriggan?

    No. I said medal tees in the post to compare off the back tees.


  • Registered Users Posts: 1,829 ✭✭✭ Macker1


    My Club is as follows

    County Meath 135 73 73.4

    How does the ratings work ?


  • Registered Users Posts: 656 ✭✭✭ hurleronditch


    Skyfloater wrote: »
    I don't know anything about how slope ratings are done, but what relevance would knowing the rating off the back tees be to most people who play off the whites/greens?

    Well I guess to find what is the “hardest” round of golf that could be played in Ireland? You’d imagine BallyB, Portrush, RCD or somewhere like that off the tips would be the hardest

    Be interesting to find the easiest as well. Royal Shlievenamon off the ladies must be fairly low, but there’s loads of 18 flags in a field courses around the country too


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  • Registered Users Posts: 1,629 ✭✭✭ gypsy79


    Macker1 wrote: »
    My Club is as follows

    County Meath 135 73 73.4

    How does the ratings work ?

    The rating is used to convert your handicap index to a playing handicap

    So lets say your handicap is 12 then your playing handicap on your home course will be 14.33 [12*135/113] rounded to 14


  • Registered Users Posts: 375 ✭✭ Strawberry HillBilly


    Birr GC 134, 70, 72.3


  • Registered Users Posts: 782 ✭✭✭ thewobbler


    That seems exceptionally high for Castleknock. Is there a medal set of tees that are only reachable by helicopter?


  • Registered Users Posts: 1,629 ✭✭✭ gypsy79


    Very surprised at that, I would have thought that of the really good Dublin courses that Castleknock was one of the easier. I really like the course but would never Have thought it was a tough course at all.

    My own home course (Portmarnock Links) is 129 off the whites

    J

    I would strongly agree with you. I was shocked

    My scores in castleknock (average 94.7)

    Date Score
    Jul 20, 2019 98 (29)
    Jul 29, 2018 90 (36)
    Jul 08, 2017 89 (35)
    Oct 15, 2016 94 (35)
    Apr 30, 2016 96 (38)
    Oct 25, 2014 102 (30)
    Jul 27, 2014 94 (37)

    Versus

    Portmarnock Links (Average 101)

    Date Score
    Feb 22, 2020 105 (21)
    Dec 07, 2019 100 (26)
    Feb 23, 2019 95 (32)
    Nov 25, 2018 104 (23)

    Thats 7 shots plus another 1 for par been lower

    There are some massive anomalies. Enniscrone below. Yellows does not make it that much easier

    Tee Name Gender Par Course Rating Bogey Rating Slope Rating
    Blue M 73 73.5 96.5 124
    White M 73 72.8 95.4 122
    Yellow M 73 71.1 92.2 114


  • Registered Users Posts: 12,308 ✭✭✭✭ prawnsambo


    The highest slope rating available under WHS is 155 afaik, the lowest is 55.

    Highest I've come across so far is Mount Juliet at 142 on the back tees.


  • Registered Users Posts: 822 ✭✭✭ paulos53


    The reason some courses have higher slope ratings than expected for their difficulty is because slope rating is not a very good indicator of course difficulty


    From the FAQs on golfnet

    Does a higher Slope Rating indicate a difficult course?



    No - It is the Course Rating which indicates course difficulty. The Slope rating indicates the relative difficulty of the course between the scratch player and the bogey player


  • Registered Users Posts: 1,629 ✭✭✭ gypsy79


    paulos53 wrote: »
    The reason some courses have higher slope ratings than expected for their difficulty is because slope rating is not a very good indicator of course difficulty


    From the FAQs on golfnet

    But it is a kind of difficulty rating. They both need to be looked at together

    Course rating versus par tells us difficulty for a par golfer

    Rating tells us how much more difficult the course is for a bogie golfer relative to a par golfer


  • Registered Users Posts: 78 ✭✭ hammerdub


    gypsy79 wrote:
    The rating is used to convert your handicap index to a playing handicap

    gypsy79 wrote:
    So lets say your handicap is 12 then your playing handicap on your home course will be 14.33 [12*135/113] rounded to 14


    I'm also in county Meath handicap 23 . How does your last best 8 cards work out. Also what's the 113 in the above example.


  • Registered Users Posts: 4,716 ✭✭✭ CalamariFritti


    mike12 wrote: »
    The harder the course is it the bigger the difference between par and the course rating?
    So par 72 course rating 76 Is harder than par 72 rating 71.

    Course rating is how the course is expected to play for a scratch golfer. Then there is the bogey rating which is what the course is expected to play for a bogey golfer. The definition has a bogey golfer at +21. You would think its +18 but they set it at +21.

    Slope is a function of those 2 values.
    Say course A is a par 72 and has a CR of 72 and a BR of 93 and you call that average. Then you have course B with a par 72 and CR of 72 and a BR of 96. Both courses play the same for a scratch golfer but course B is harder for a bogey golfer. In this case course B has a higher slope.

    You could say Slope is an expression of how much harder (or softer) a course plays for a bogey golfer over a scratch golfer. A neutral slope rate is 113 by definition.

    The exact formula is (BR - CR) * 5.381 = Slope. So for Tramore (blues) it would be (98.1 - 73) *5.381 = 135


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  • Registered Users Posts: 1,629 ✭✭✭ gypsy79


    113 is considered the golf course of average rating

    Your handicap might come down but your playing handicap might be the same. The rest is complicated


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