G4EOW - Peter 4577
G3OTK - Richard 4201
G0BHK - Ted 2418
G3XSD - Graham 1873
correct as at 05/05/17
Itchen Valley Amateur Radio Club runs an annual HF ladder contest. Points are awarded depending on the country origin of the station contacted. This is based upon a scoring mechanism developed by Graham G3XSD which factors in both distance and number of available radio amateurs in the DX country.
As an aid to simplify scoring there is an online scoring program which will score any ADIF logfile.
For full rules see the HF ladder rules
The current scoring spreadsheet is downloadable here: