This trophy was presented to SJC by the late Sussex astronomer, broadcaster and chessplayer Sir Patrick Moore.
Between 2000 and 2007, and revived in 2017, it is awarded to the victor of the biennial Sussex vs. Ireland friendly tournament.
Since 2013 it has also been awarded to the winner of the annual U11 Girls vs U9 Boys match
| Date | Venue | Winners |
| March 2019 | Dundalk | Ireland |
| February 2018 | Crawley | Sussex |
| March 2017 | Dublin | Sussex |
| 03/03/2019 | Bexhill | U11 Girls |
| 04/03/2018 | Bexhill | U9 Boys |
| 04/03/2017 | Bexhill | U9 Boys |
| 28/02/2016 | Bexhill | U11 Girls |
| 01/03/2015 | Bexhill | U9 Boys |
| 02/03/2014 | Bexhill | U9 Boys |
| 03/03/2013 | Bexhill | U9 Boys |
| June 2007 | Crawley | Sussex |
| Feb 2005 | Shannon | Sussex |
| April 2002 | Hove | Sussex |
| April 2000 | Dublin | Ireland |