Hello all,

Please help. I are trying to put together a skipper handicap series for

a one design class. I use Sailwave (thanks Colin!) to score the scratch

results and input the elapsed times; ~40 minutes per race.

Has anyone any suggestions on how & what formula to use to calculate

individual skipper ratings which can then be used with Sailwave's custom

scoring system? What formulae are being used out there?

I am thinking of using C=E*R where C is Correct Time; E Elapsed Time and

R is the Rating value. Thus the R value should be somewhere between 0 &

1. Maybe I also need to weight R in the ratio Old R : New 4:1 so that R

doesn't fluctuate too wildly should a skipper have a exceptionally good

(bad) race.

Thanks,

Rob

Rob, at Burghfield sailing club we run a wednesday evening pursuit race based around moving personal handicaps

http://www.burghfieldsc.org.uk/wednesdays/default.htm

I don't know the technicalities of how it's done but it works brilliantly.

cheeeers... simon

## ···

----- Original Message -----

From: Rob Walker

To: sailwave@yahoogroups.com

Sent: Tuesday, June 08, 2004 7:48 AM

Subject: [sailwave] Skipper handicap formulae

Hello all,

Please help. I are trying to put together a skipper handicap series for

a one design class. I use Sailwave (thanks Colin!) to score the scratch

results and input the elapsed times; ~40 minutes per race.

Has anyone any suggestions on how & what formula to use to calculate

individual skipper ratings which can then be used with Sailwave's custom

scoring system? What formulae are being used out there?

I am thinking of using C=E*R where C is Correct Time; E Elapsed Time and

R is the Rating value. Thus the R value should be somewhere between 0 &

1. Maybe I also need to weight R in the ratio Old R : New 4:1 so that R

doesn't fluctuate too wildly should a skipper have a exceptionally good

(bad) race.

Thanks,

Rob

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Hi Rob,

As far as I know, there is no standard personal handicap calculations as

recommended by ISAF. Every cluib has it's own way of calulcating them.

Sailwave does calculate Rwin which can be useful - the rating the competitor

sailed to assuming the winner sailed to their rating. I have personal

handicaps down as a big chunk of work somewhere in the development plan.

What you can do it having calculating a PH in a spreadsheet or by hand,

enter a race-specific rating into Sailwave via Edit+Result.

Regards,

Colin J

www.sailwave.com

## ···

-----Original Message-----

From: Rob Walker [mailto:rswalker@mweb.co.za]

Sent: 08 June 2004 07:48

To: sailwave@yahoogroups.com

Subject: [sailwave] Skipper handicap formulae

Hello all,

Please help. I are trying to put together a skipper handicap series for

a one design class. I use Sailwave (thanks Colin!) to score the scratch

results and input the elapsed times; ~40 minutes per race.

Has anyone any suggestions on how & what formula to use to calculate

individual skipper ratings which can then be used with Sailwave's custom

scoring system? What formulae are being used out there?

I am thinking of using C=E*R where C is Correct Time; E Elapsed Time and

R is the Rating value. Thus the R value should be somewhere between 0 &

1. Maybe I also need to weight R in the ratio Old R : New 4:1 so that R

doesn't fluctuate too wildly should a skipper have a exceptionally good

(bad) race.

Thanks,

Rob

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