From the Halo forum on boards.ie:
Halo 4 Grand Tournament19th and 20th JanuaryGlenroyal Hotel, Maynooth, Co. Kildare
4 V 4 + Free For AllHalo Ireland are proud to present Ireland’s first Halo 4 v 4 event.
- Limited to 12 teams
- Cash Prizes for Winners and runner up prizes.
- 4 v 4 groups with double Elimination
- FFA
- Entry Fee: Pre register €15 – On the day €20 – Teams of 4 €60
- Bring your own console, game, monitor, controller, headphones and ethernet cables. Sound from TV’s not permitted.
- If you want to come but don’t have a team, just leave a reply here or message ‘Halo Ireland’ on Xbox Live and we can help you form a team.
- Add Halo Ireland on Facebook for regular updates.
More details in this thread on the forum and on the Halo Ireland Facebook page.