[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.12"]
[Round "5.10"]
[White "Harrington, Eoin"]
[Black "O'Connell, David"]
[Result "0-1"]
[ECO "C18"]
[BlackElo "1849"]
[PlyCount "24"]
[EventDate "2018.08.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Qg4 Qc7 10. Qe2 cxd4 11. cxd4 Qc3+ 12. Qd2 Qxa1 0-1

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.12"]
[Round "4.16"]
[White "O'Connell, David"]
[Black "Avetisyan, Karen"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1849"]
[PlyCount "31"]
[EventDate "2018.08.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 c6 4. c3 Nd7 5. Nbd2 Ngf6 6. h3 Be7 7. e3 0-0 8. Bd3 Re8 9. Ne5 Bd6 10. Qf3 Qe7 11. g4 c5 12. g5 c4 13. gxf6 Nxf6 14. Bc2 b5 15. Rg1 g6 16. Bg5 1-0

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.11"]
[Round "3.8"]
[White "Gallagher, Matthew"]
[Black "O'Connell, David"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1594"]
[BlackElo "1849"]
[PlyCount "77"]
[EventDate "2018.08.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e3 0-0 5. Bd3 d6 6. Nf3 c5 7. 0-0 Nc6 8. a3 Nd7 9. Be2 f5 10. Rb1 Nf6 11. b4 Ne4 12. Na2 b6 13. Bb2 Qc7 14. d5 Ne5 15. Nxe5 dxe5 16. Nc3 Nd6 17. Qb3 Bd7 18. b5 g5 19. f3 Rf6 20. e4 f4 21. a4 Rg6 22. Kf2 g4 23. Ra1 h5 24. Qa2 Nb7 25. Bc1 Rf8 26. Bd2 Bf6 27. Ke1 Bh4+ 28. Kd1 g3 29. Be1 Rf7 30. h3 Qc8 31. Rg1 Rfg7 32. Bf1 Bf6 33. Rh1 Kh7 34. Kc2 Bh4 35. Kd1 Kh6 36. Nb1 Bf6 37. a5 Nd6 38. axb6 axb6 39. Qa7 1/2-1/2

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.11"]
[Round "2.3"]
[White "O'Connell, David"]
[Black "Steil Antoni, Fiona"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1849"]
[BlackElo "2129"]
[PlyCount "56"]
[EventDate "2018.08.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 Nf6 3. e3 Bg4 4. Be2 Bxe2 5. Qxe2 c6 6. Nd2 Nbd7 7. Ngf3 Nh5 8. Bg3 Nxg3 9. hxg3 e6 10. c3 Be7 11. a4 0-0 12. 0-0 f5 13. e4 f4 14. e5 d5 15. gxf4 Rxf4 16. Qe3 Rg4 17. Nh2 Rh4 18. Ndf3 Rh6 19. Rfd1 Qe8 20. Nf1 Qf7 21. b4 Nf8 22. Ng3 Ng6 23. Ng5 Bxg5 24. Qxg5 Nf4 25. Qg4 Rg6 26. Qf3 Rf8 27. Qe3 Qe7 28. Ne2 Nxg2 0-1

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.10"]
[Round "1.13"]
[White "Murray, Sam"]
[Black "O'Connell, David"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1479"]
[BlackElo "1849"]
[PlyCount "70"]
[EventDate "2018.08.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 d6 6. Nge2 c5 7. 0-0 Nc6 8. d4 cxd4 9. exd4 e5 10. d5 Ne7 11. Bg5 Bf5 12. Qb3 Qb6 13. Qxb6 axb6 14. Nb5 Rfd8 15. Be3 Bd3 16. Bxb6 Bxe2 17. Bxd8 Rxd8 18. Rfc1 Ne8 19. Bf1 Bf3 20. Nc3 Bh6 21. Rc2 Nf5 22. Nb5 Nd4 23. Nxd4 exd4 24. b4 Rc8 25. Bd3 Nf6 26. Re1 Kf8 27. a4 Re8 28. Rxe8+ Kxe8 29. a5 Ng4 30. a6 bxa6 31. c5 dxc5 32. bxc5 Ne5 33. Bxa6 d3 34. Bb5+ Kd8 35. Ra2 Bxd5 0-1

