5 round McMahon run by Belfast Go Club. In 1992 the club also ran its own event.
Run by any club on behalf of the BGA.
Cambridge ran the 2011 edition early in 2012.
Originally held in a hall in Wolverton, the Milton Keynes Tournament has made its home at the Open University. Various different buildings on the campus have been used. It is a 3 round McMahon.
A 3-round McMahon held in the Welwyn Garden City Bridge Club room at Gosling Stadium in Welwyn Garden City, Hertfordshire.
Originally held in The Marton Arms in Thornton in Lonsdale, which was then owned by Go player Tim Hazleden. It continued for several years there after Tim's tragic death and raised money for local charities.
A 3 round McMahon, held in the City of London.
Usually held over a weekend in one of the buildings of Durham University.
In 2012 it was held on just one day as the British Go Congress was in Durham that year.
Midlands Tournament in 1988 and then Coventry Tournament until 2002 and from 2008, Leamington from 2003 to 2006.
3 rounds McMahon, held at the University of Warwick.
3 round McMahon tournament run by Bracknell Go Club, but nowadays held in Wokingham and no longer in Bracknell itself. The first few tournaments were held in the Bracknell premises of ICL.
The Clive Hendrie Memorial Trophy was instigated in 2010 in memory of Clive Hendrie, long time organiser of the tournament.
At the first event, National Power was sponsor and provided the venue. After a few years at a social club, the event is now held in the Even Swindon Committee Centre. It is a 3 round McMahon.