| Leinster Chess Union |
| Div 1 Armstrong Cup 2004 - 2005 |
| Round 1 |
| Date | Home Team | Away Team | Result |
| Mon 04 Oct 04 | Elm Mount A | Elm Mount B | 3 ½ – 4 ½ |
| Mon 04 Oct 04 | Phibsboro A | Phibsboro B | 5 – 3 |
| Tue 08-Mar-05 | Dublin | Bray / Greystones | 7 – 1 |
| Thu 07 Oct 04 | Lucan | St Benildus | 4 ½ – 3 ½ |
| Sat 09 Oct 04 | Gonzaga | Kilkenny | 4 ½ – 3 ½ |
| Thu 07 Oct 04 | Rathmines / Crumlin | Dun Laoghaire | 5 – 3 |
| Round 2 |
| Date | Home Team | Away Team | Result |
| Mon 18 Oct 04 | Phibsboro B | Elm Mount A | 2 – 5 |
| Sat 30 Oct 04 | Bray / Greystones | Phibsboro A | 4 – 4 |
| Wed 20 Oct 04 | St Benildus | Dublin | 1 ½ – 6 ½ |
| Sat 30 Oct 04 | Kilkenny | Lucan | 3 ½ – 4 ½ |
| Wed 27 Oct 04 | Dun Laoghaire | Gonzaga | 4 – 4 |
| Mon 01 Nov 04 | Elm Mount B | Rathmines / Crumlin | 0 – 8 |
| Round 3 |
| Date | Home Team | Away Team | Result |
| Mon 15 Nov 04 | Elm Mount A | Rathmines / Crumlin | 1 ½ – 6 ½ |
| Thu 18 Nov 04 | Gonzaga | Elm Mount B | 6 – 2 |
| Thu 18 Nov 04 | Lucan | Dun Laoghaire | 3 – 5 |
| Sat 13 Nov 04 | Dublin | Kilkenny | 4 – 4 |
| Mon 15 Nov 04 | Phibsboro A | St Benildus | 5 ½ – 2 ½ |
| Mon 15 Nov 04 | Phibsboro B | Bray / Greystones | 6 – 2 |
| Round 4 |
| Date | Home Team | Away Team | Result |
| Sat 04 Dec 04 | Bray / Greystones | Elm Mount A | 2 ½ – 5 ½ |
| Wed 01 Dec 04 | St Benildus | Phibsboro B | 3 ½ – 4 ½ |
| Sat 04 Dec 04 | Kilkenny | Phibsboro A | ½ – 6 ½ |
| Wed 01 Dec 04 | Dun Laoghaire | Dublin | 4 – 4 |
| Mon 06 Dec 04 | Elm Mount B | Lucan | 5 ½ – 2 ½ |
| Thu 02 Dec 04 | Rathmines / Crumlin | Gonzaga | 3 ½ – 3 ½ |
| Round 5 |
| Date | Home Team | Away Team | Result |
| Mon 10 Jan 05 | Elm Mount A | Gonzaga | ½ – 7 ½ |
| Thu 13 Jan 05 | Lucan | Rathmines / Crumlin | 0 – 8 |
| Mon 10 Jan 05 | Dublin | Elm Mount B | 8 – 0 |
| Mon 10 Jan 05 | Phibsboro A | Dun Laoghaire | 6 – 2 |
| Sat 08 Jan 05 | Phibsboro B | Kilkenny | 3 – 5 |
| Sat 08 Jan 05 | Bray / Greystones | St Benildus | 4 – 4 |
| Round 6 |
| Date | Home Team | Away Team | Result |
| Wed 26 Jan 05 | St Benildus | Elm Mount A | 2 ½ – 5 ½ |
| Sat 22-Jan-05 | Bray / Greystones | Kilkenny | 4 ½ – 3 ½ |
| Wed 26 Jan 05 | Dun Laoghaire | Phibsboro B | 5 – 3 |
| Mon 24 Jan 05 | Elm Mount B | Phibsboro A | 1 ½ – 6 ½ |
| Thu 27 Jan 05 | Rathmines / Crumlin | Dublin | 3 ½ – 4 ½ |
| Thu 27 Jan 05 | Gonzaga | Lucan | 7 – 1 |
| Round 7 |
| Date | Home Team | Away Team | Result |
| Mon 14 Feb 05 | Elm Mount A | Lucan | 5 ½ – 2 ½ |
| Mon 14 Feb 05 | Dublin | Gonzaga | 3 – 5 |
| Thu 10 Feb 05 | Phibsboro A | Rathmines / Crumlin | 4 ½ – 3 ½ |
| Thu 10 Feb 05 | Phibsboro B | Elm Mount B | 3 ½ – 4 ½ |
| Sat 12 Feb 05 | Bray / Greystones | Dun Laoghaire | 6 ½ – 1 ½ |
| Sat 12 Feb 05 | St Benildus | Kilkenny | 4 – 3 |
| Round 8 |
| Date | Home Team | Away Team | Result |
| Sat 05 Mar 05 | Kilkenny | Elm Mount A | 7 ½ – ½ |
| Wed 02 Mar 05 | Dun Laoghaire | St Benildus | 5 – 3 |
| Mon 28 Feb 05 | Elm Mount B | Bray / Greystones | 1 ½ – 6 ½ |
| Thu 24 Feb 05 | Rathmines / Crumlin | Phibsboro B | 4 ½ – 3 ½ |
| Thu 03 Mar 05 | Gonzaga | Phibsboro A | 3 – 5 |
| Thu 03 Mar 05 | Lucan | Dublin | 1 – 7 |
| Round 9 |
| Date | Home Team | Away Team | Result |
| Mon 21 Mar 05 | Elm Mount A | Dublin | 3 ½ – 4 ½ |
| Mon 21 Mar 05 | Phibsboro A | Lucan | 6 ½ – 1 ½ |
| Mon 21 Mar 05 | Phibsboro B | Gonzaga | 2 – 6 |
| Sat 26 Mar 05 | Bray / Greystones | Rathmines / Crumlin | 3 – 5 |
| Wed 16 Mar 05 | St Benildus | Elm Mount B | 5 – 3 |
| Sat 26 Mar 05 | Kilkenny | Dun Laoghaire | 4 ½ – 3 ½ |
| Round 10 |
| Date | Home Team | Away Team | Result |
| Wed 13 Apr 05 | Dun Laoghaire | Elm Mount A | 5 ½ – 2 ½ |
| Sat 09 Apr 05 | Elm Mount B | Kilkenny | 2 ½ – 5 ½ |
| Thu 14 Apr 05 | Rathmines / Crumlin | St Benildus | 5 ½ – 2 ½ |
| Thu 14 Apr 05 | Gonzaga | Bray / Greystones | 7 – 1 |
| Thu 07 Apr 05 | Lucan | Phibsboro B | 1 ½ – 6 ½ |
| Mon 04 Apr 05 | Dublin | Phibsboro A | 1 ½ – 6 ½ |
| Round 11 |
| Date | Home Team | Away Team | Result |
| Sun 24-Apr-05 | Elm Mount A | Phibsboro A | 4 – 4 |
| Sun 24-Apr-05 | Phibsboro B | Dublin | 2 ½ – 5 ½ |
| Sun 24-Apr-05 | Bray / Greystones | Lucan | 5 – 3 |
| Sun 24-Apr-05 | St Benildus | Gonzaga | 3 ½ – 4 ½ |
| Sun 24-Apr-05 | Kilkenny | Rathmines / Crumlin | 5 ½ – 2 ½ |
| Sun 24-Apr-05 | Dun Laoghaire | Elm Mount B | 2 – 6 |