Rlburnside
Challenge Tour Pro
If my handicap index is 19.9 and my course handicap is 21 should I come down to 20 when the 95% is deducted?
Course h/c
- Thread starter Rlburnside
- Start date
rulefan
Tour Winner
Yes.
Round to nearest whole number.
The 95% is not actually deducted. The CH is reduced to 95%.
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Voyager EMH
Slipper Wearing Plucker of Pheasants
In England yes.
But in Scotland it could be 20.5 x 95% = 19.475
No rounding of CH in Scotland. Rounding comes after 95% is applied.
But in Scotland it could be 20.5 x 95% = 19.475
No rounding of CH in Scotland. Rounding comes after 95% is applied.
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Rlburnside
Challenge Tour Pro
Thankyou , so guy I was playing with has a handicap index of 14.7 and course handicap of 15 but when results came in his handicap is still 15 I’m slightly confused with why his handicap didn’t come down to 14.
Rlburnside
Challenge Tour Pro
I’m in Scotland sorry but I don’t understand that.
rulefan
Tour Winner
Where were you playing?
Rlburnside
Challenge Tour Pro
Scotland
Alan Clifford
Well-known member
WHS rounding
rulefan
Tour Winner
Belay that.
You need to calculate the CH unrounded and then apply the 95%.
Rlburnside
Challenge Tour Pro
Rlburnside
Challenge Tour Pro
I’m going to have to let this go I’m getting too confused
when you look at the course handicap on the chart it gives you a whole number. I understand why my h/c was reduced by a shot but can’t understand why the guy I was playing with had a course handicap of 15 but wasn’t reduced
Voyager EMH
Slipper Wearing Plucker of Pheasants
If his CH is 15.3 thenI’m going to have to let this go I’m getting too confused
I understand why my h/c was reduced by a shot but can’t understand why the guy I was playing with had a course handicap of 15 but wasn’t reduced
15.3 x 95% = 14.535 and this is rounded to 15.
rulefan
Tour Winner
It would seem the chart was not intended for use in Scotland. (2nd thoughts - was the CH column showing decimals?)I’m going to have to let this go I’m getting too confused
I understand why my h/c was reduced by a shot but can’t understand why the guy I was playing with had a course handicap of 15 but wasn’t reduced
Do you have the Slope for the tees used?
Or you can work it out yourself.
His Course Handicap is
Handicap Index x (Slope / 113) ..... unrounded!!.
then his PH is 95% of that .... rounded!!
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SwingsitlikeHogan
Major Champion
Eh? Surely you just get your CH for the course table according to your HI, then calculate PH from CH rounding any 0.5 up.
So for example let’s say 15.3 round my track gives a CH of 17 off the Whites. 1/20th (5%) of 17 is 0.85 so round up to 1 and subtract from 17 gives a PH of 16. Alternatively taking 0.85 off 17 gives 16.15 which rounds down to 16. I‘m not sure if it makes any difference the order of rounding and subtracting the 5%. I don’t think it does. I always do the former…i.e. I round up or down the 5% before subtracting.
Rlburnside
Challenge Tour Pro
This is what I’m working from for our course
KenL
Tour Rookie
Mathematically it is best to not round more than once and certainly not in the middle of a calculation.
This is a club in Scotland...
So for me, on my course,
5.0 × 128 ÷ 113 = 5.66... (6)
for course hcp.
In a 95% competition
5.0 × 128 ÷ 113 × 0.95 = 5.38... (5)
for playing hcp.
The fact we have 95% in comps is the one that really baffles me.
This is a club in Scotland...
So for me, on my course,
5.0 × 128 ÷ 113 = 5.66... (6)
for course hcp.
In a 95% competition
5.0 × 128 ÷ 113 × 0.95 = 5.38... (5)
for playing hcp.
The fact we have 95% in comps is the one that really baffles me.
rulie
Head Pro
Well, that table is correct where the handicap allowance is 100%, but not if the handicap allowance is less that 100%. See Ken L's calculation in post #16. Disregard the table results, start with the HI, slope rating and do the calculation, rounding at the end.
"Allowances" for different forms of play were established by a statistical analysis of many competition results and are intended to give give both higher handicap and lower handicap players an equal chance of winning. I believe that Golf Australia had the most data available for the statistical analysis.
Voyager EMH
Slipper Wearing Plucker of Pheasants
Not in Scotland, because they do not round CH to a whole number. They apply 95% to the unrounded CH. Rounding is done at the end of the calculation.
I would like to see all of UK do it this way, because,
Applying slope stretches or contracts the handicap scale, but maintains the relative differences between handicaps.
Applying 95% contracts the handicap scale back a bit, but the relative differences are maintained only if there is no rounding to a whole number in the middle of the calculation.
The EG way produces a disproportionate "lump" of players with a PH of 10 for individual strokeplay.
I have come to view this as "wrong".
But I will be told, in very strong terms, that it can not be wrong, it is the correct way to do it in England. I am therefore "wrong" to hold my view.
It is "not wrong" in Scotland, however, to view the EG way as "wrong", I suppose.
(I am sure that I have expressed something similar to the above before. To all those with a sensitive nature, I would like to apologise for my repetitive bludgeoning)
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Rlburnside
Challenge Tour Pro
Thanks everyone for trying to enlighten this old fuzzy brain
I think I’ve finally seen where I’ve been going wrong, all along I’ve been under the impression that a simple thing to do was look at the chart and see my course h/c and the 95% calculation was taken from that.
I think I’ve finally seen where I’ve been going wrong, all along I’ve been under the impression that a simple thing to do was look at the chart and see my course h/c and the 95% calculation was taken from that.
SwingsitlikeHogan
Major Champion
Sorry guys, but you have completely lost me on this.
Unless I (and my club) have got the wrong end of the stick, you seem to be saying players are expected to actually work out a Course Handicap from their HI if they are playing a format that does not give a player their full handicap - and that just cannot be correct. We do not carry calculators about.
I have a course handicap given to me by the HI to CH conversion table for the course. I then work out my PH according to the format, rounding any deduction to be applied. And that’s it. It’s not difficult. In fact it’s very simple.
Unless I (and my club) have got the wrong end of the stick, you seem to be saying players are expected to actually work out a Course Handicap from their HI if they are playing a format that does not give a player their full handicap - and that just cannot be correct. We do not carry calculators about.
I have a course handicap given to me by the HI to CH conversion table for the course. I then work out my PH according to the format, rounding any deduction to be applied. And that’s it. It’s not difficult. In fact it’s very simple.
