A tournament held over a weekend, at UCC in Cork, Ireland.
Normally held the day before the main Cornwall tournament
A tournament of 5 rounds, held in Galway in Ireland.
The Northern was originally a two day event with accommodation at one of the Manchester University halls of residence. It was a European Grand Prix event in 1993 and 1994 instead of London. It then was part of the MSO from 2003, when that was held in Manchester, and has since become a 3 round McMahon and is now held in Stockport.
The prize is the Red Rose Trophy.
Based on the UK Chess Challenge, the UK Go Challenge is for schools and junior players. Heats are run in schools, with an overall Final which can be also attended by junior players who did not play in a heat. See ukgochallenge.com.
The Irish Open is the main tournament of the Irish Go Congress in Dublin. It is often part of the European Grand Prix. It has been called the Confucius Cup since 2012.
The Oxford Tournament's roots go back to the 1960s, but the current series started in 1983. It has been held in various colleges, and Freud's Cafe, but the venue for most recent years has been St Edmund Hall.
3 round McMahon held in Penzance.
It replaced the Devon tournament, using the same trophy now known as the "Devon and Cornwall Go Stone".
A 3-round McMahon tournament sponsored by and held at Hitachi Europe's headquarters.
It was called the Furze Platt Tournament until 2010.