The GC Individual Rankings are available here.
To understand how the system works, the English CA have produced a useful guide, available here
The GC Individual Rankings are generated by the Golf Croquet Grading System which is operated by the WCF GC Ranking Officer and Assistant Ranking Officers. These are:
GC Ranking Officer - Richard Bilton
ARO Australia - Peter Freer
ARO England & Ireland - Richard Bilton
ARO Rest of Europe - Stephen Mulliner
ARO Spain - Felipe Mestanza
ARO New Zealand - John Christie
ARO United States - Jeff Soo
The general principle is that the results of all level-play GC singles games are eligible for inclusion in the GC Rankings if they are played in an Eligible Event and criteria relating to game length, court size and the proportion of ungraded players are met.
An event is an Eligible Event if:
(a) it is a WCF Event or an event recognised by the Croquet Governing Body (“CGB”) of the domain in which it is held or by another CGB (providing that the CGB of the domain in which it is held has been informed at least 28 days before the event); and
(b) it appears in a tournament calendar published by the recognising CGB or by any regional body recognised by the CGB (e.g. an Association, Federation or State) and is not indicated to be an “unranked event”; and
(c) no more than 50% of the places are reserved for the members of one club.
The full eligibility criteria can be found in the WCF Ranking Regulations.
Managers of events are strongly encouraged to post results on the CroquetScores website because this greatly facilitates rapid database updating. The website address is www.croquetscores.com
If this is not possible or convenient, results should be sent to gcresults@worldcroquet.org using the spreadsheet template shown in Appendix 7 of the WCF Ranking Regulations and available here.
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