[Event "Enniscrone Sligo Winter op"]
[Site "Enniscrone"]
[Date "2024.02.04"]
[Round "?"]
[White "Mize, Dylan"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1798"]
[BlackElo "2227"]
[PlyCount "62"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 Nf6 5. Qb3 Nc6 6. a3 a6 7. cxd5 exd5 8. Bg5 Na5 9. Qa4+ c6 10. Bxf6 gxf6 11. e3 b5 12. Qd1 Nc4 13. Nh4 Bg6 14. Nxg6 hxg6 15. Bxc4 dxc4 16. Qf3 Rc8 17. Rd1 Be7 18. 0-0 Kf8 19. e4 Kg7 20. Rd2 Qc7 21. g3 Rh3 22. Rfd1 Rch8 23. d5 Bd6 24. dxc6 Be5 25. Qg4 Qxc6 26. f3 Qc5+ 27. Kf1 Rxh2 28. Rg2 Bxc3 29. bxc3 Qe3 30. Re1 Rh1+ 31. Rg1 Rxg1# 0-1

[Event "Enniscrone Sligo Winter op"]
[Site "Enniscrone"]
[Date "2024.02.04"]
[Round "?"]
[White "O'Connor, Jonathan"]
[Black "Woods, Yannick"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2227"]
[BlackElo "1856"]
[PlyCount "33"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. c4 e5 6. Nc3 Nge7 7. Ne1 0-0 8. Nc2 d6 9. Ne3 Be6 10. d3 Qd7 11. a3 Bh3 12. Rb1 Bxg2 13. Kxg2 f5 14. f4 exf4 15. gxf4 g5 16. Ned5 g4 17. e3 1/2-1/2

[Event "Enniscrone Sligo Winter op"]
[Site "Enniscrone"]
[Date "2024.02.03"]
[Round "?"]
[White "MacElligott, Gerard"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "1964"]
[BlackElo "2227"]
[PlyCount "82"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. cxd5 exd5 6. Bd2 Rb8 7. Nc3 Nf6 8. Rc1 Be7 9. e3 0-0 10. Nh4 Be6 11. Bd3 Re8 12. Nf3 Bf8 13. 0-0 Ne7 14. Qc2 g6 15. Ne2 c6 16. Bb4 Nf5 17. Bxf8 Rxf8 18. b4 a6 19. a4 Rc8 20. Nf4 Bd7 21. Ne5 Nd6 22. h4 Bf5 23. Bxf5 Nxf5 24. h5 Qe8 25. Qd3 Nd7 26. Nxd7 Qxd7 27. Rc5 Nd6 28. b5 axb5 29. axb5 Ne4 30. bxc6 bxc6 31. Rc2 g5 32. Ne2 f5 33. Rfc1 Rf6 34. Qa6 Rd6 35. Qa3 Re6 36. Qd3 Qf7 37. f3 Qxh5 38. fxe4 fxe4 39. Qa6 Rf8 40. Rxc6 Rxc6 41. Rxc6 Qh4 1/2-1/2

[Event "Enniscrone Sligo Winter op"]
[Site "Enniscrone"]
[Date "2024.02.03"]
[Round "?"]
[White "O'Connor, Jonathan"]
[Black "Lyons, Brendan"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2227"]
[BlackElo "1844"]
[PlyCount "62"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 h6 4. 0-0 c6 5. d3 Bf5 6. c4 e6 7. Qb3 Qb6 8. Be3 dxc4 9. Qxb6 axb6 10. dxc4 Nbd7 11. Nc3 Ng4 12. Bd2 Nge5 13. Nxe5 Nxe5 14. b3 Be7 15. Bf4 Bf6 16. Rac1 Nd7 17. Rfd1 Be5 18. Bxe5 Nxe5 19. h3 Ke7 20. f4 Nd7 21. Rd2 Rhd8 22. Rcd1 Nc5 23. e4 Bg6 24. Kf2 Rd7 25. Rxd7+ Nxd7 26. Rd2 Nc5 27. Ke3 f6 28. Bf3 Bf7 29. Bd1 g5 30. b4 Ra3 31. Kd4 Rxc3 1/2-1/2

[Event "Enniscrone Sligo Winter op"]
[Site "Enniscrone"]
[Date "2024.02.02"]
[Round "?"]
[White "Jakhria, Kushal"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1887"]
[BlackElo "2227"]
[PlyCount "49"]
[EventDate "2024.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. g3 dxc4 5. Bg2 b5 6. 0-0 Nf6 7. Ne5 a5 8. Nxc6 Qb6 9. Nxb8 Rxb8 10. e4 Bb7 11. d5 Rd8 12. Qe2 Ba6 13. Bg5 e5 14. Nd2 h6 15. Bxf6 Qxf6 16. f4 Bb4 17. a3 Qb6+ 18. Kh1 Bd6 19. fxe5 Bxe5 20. Qh5 Qc7 21. d6 Bxd6 22. e5 Bxe5 23. Rxf7 Qxf7 24. Qxe5+ Kd7 25. Ne4 1-0

[Event "IRL-ch Seniors 50"]
[Site "Dublin"]
[Date "2024.01.07"]
[Round "7"]
[White "Culbeaux Tello, Oscar"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "2098"]
[BlackElo "2163"]
[PlyCount "12"]
[EventDate "2024.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Bxc6+ bxc6 1/2-1/2

[Event "IRL-ch Seniors 50"]
[Site "Dublin"]
[Date "2024.01.07"]
[Round "6"]
[White "O'Connor, Jonathan"]
[Black "Fox, Anthony"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2163"]
[BlackElo "1877"]
[PlyCount "95"]
[EventDate "2024.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bxf6 Bxf6 7. e3 0-0 8. Rc1 c6 9. h4 Nd7 10. g4 Be7 11. g5 h5 12. Qc2 g6 13. Bd3 Kg7 14. 0-0 b6 15. e4 dxc4 16. Bxc4 Bb7 17. Rcd1 Rc8 18. Rfe1 Qc7 19. Qd2 Rcd8 20. Qe3 a6 21. Bf1 c5 22. d5 b5 23. Bxb5 axb5 24. d6 Bxd6 25. Nxb5 Qb6 26. Nxd6 Ba6 27. b3 Qb4 28. Qd2 Qxd2 29. Rxd2 Nb6 30. Red1 Rb8 31. Ne5 Bc8 32. Rc1 c4 33. Nexc4 Nxc4 34. Rxc4 Ba6 35. Rc6 Bb5 36. Nxb5 Rxb5 37. Rd7 Kg8 38. Rcc7 Rb6 39. Kg2 Ra6 40. a4 Rb6 41. Rb7 Rb8 42. Rd8+ Rxd8 43. Rxb6 Rd4 44. f3 Rd2+ 45. Kg3 e5 46. a5 Kg7 47. a6 Ra2 48. b4 1-0

[Event "IRL-ch Seniors 50"]
[Site "Dublin"]
[Date "2024.01.06"]
[Round "4"]
[White "Delaney, John Anthony"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2217"]
[BlackElo "2163"]
[PlyCount "32"]
[EventDate "2024.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. d3 g6 7. c3 Bg7 8. h3 0-0 9. Re1 Bd7 10. Be3 Qe8 11. Nbd2 h6 12. d4 Nxd4 13. cxd4 Bxa4 14. b3 Bc6 15. dxe5 Nxe4 16. exd6 Nxd2 1/2-1/2

[Event "IRL-ch Seniors 50"]
[Site "Dublin"]
[Date "2024.01.06"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "O'Dwyer, Fergal"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2163"]
[BlackElo "1917"]
[PlyCount "88"]
[EventDate "2024.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d5 5. Bg2 0-0 6. 0-0 c5 7. c4 Nc6 8. cxd5 Nxd5 9. Bxg7 Kxg7 10. d4 cxd4 11. Nxd4 Nxd4 12. Qxd4+ Nf6 13. Qe5 Kg8 14. Nc3 Ng4 15. Qd5 Rb8 16. h3 Nf6 17. Qe5 Be6 18. Rfd1 Qb6 19. Na4 Qa6 20. Nc5 Qa5 21. b4 Qb5 22. a4 Qb6 23. Nxe6 Qxe6 24. Qxe6 fxe6 25. Rac1 Rfc8 26. b5 Kf7 27. Rxc8 Rxc8 28. Bxb7 Rc2 29. Ra1 Rb2 30. Bc6 Nd5 31. a5 Nc7 32. b6 axb6 33. a6 Rc2 34. Bf3 b5 35. a7 b4 36. a8Q Nxa8 37. Rxa8 b3 38. Rb8 b2 39. Kg2 Kf6 40. Rb5 e5 41. e3 Kf5 42. g4+ Ke6 43. Be4 Rd2 44. Kf1 Kd7 1-0

[Event "IRL-ch Seniors 50"]
[Site "Dublin"]
[Date "2024.01.05"]
[Round "3"]
[White "O'Connor, Jonathan"]
[Black "Brady, Stephen"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2163"]
[BlackElo "2258"]
[PlyCount "45"]
[EventDate "2024.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 c5 5. d3 e6 6. e4 d6 7. d4 Be7 8. Qe2 0-0 9. e5 Nd5 10. Rd1 Qb6 11. Nbd2 Nc6 12. dxc5 dxc5 13. Ne4 Rad8 14. Bg5 Bxg5 15. Nexg5 h6 16. Qe4 hxg5 17. Nxg5 f5 18. Qh4 Rf7 19. Qh7+ Kf8 20. Nxe6+ Ke7 21. Nxd8 Nxd8 22. Bxd5 Ne6 23. Bxe6 1-0

[Event "IRL-ch Seniors 50"]
[Site "Dublin"]
[Date "2024.01.05"]
[Round "2"]
[White "O'Connor, Jonathan"]
[Black "Kellett, Paul"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "2163"]
[BlackElo "1775"]
[PlyCount "66"]
[EventDate "2024.01.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "CB02_2024"]
[SourceDate "2024.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 Ne7 4. Nf3 Nbc6 5. cxd5 Qxd5 6. Qxd5 Nxd5 7. a3 Bg4 8. Nbd2 0-0-0 9. e3 a6 10. Be2 Bc5 11. b4 Bxf3 12. gxf3 Ndxb4 13. axb4 Bxb4 14. f4 Na5 15. Rb1 c5 16. Bg4+ Kc7 17. Ke2 h5 18. Bh3 b5 19. Rg1 g6 20. e6 fxe6 21. Rxg6 Bxd2 22. Bxd2 Nc4 23. Bc3 Rh7 24. Bxe6 Nb6 25. Rc1 c4 26. Ba5 Rd6 27. Bxc4 Rxg6 28. Bd3+ Rc6 29. Bxb6+ Kxb6 30. Rxc6+ Kxc6 31. Bxh7 a5 32. Kd2 b4 33. Bc2 Kd5 1-0

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.13"]
[Round "9"]
[White "Venkatesan, Kavin"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2298"]
[BlackElo "2148"]
[PlyCount "79"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. Bd3 Nf6 6. cxd5 exd5 7. Nge2 Bd6 8. Ng3 Ne4 9. Bxe4 fxe4 10. Qb3 Na6 11. Bd2 Qe7 12. 0-0-0 Be6 13. f3 Nb4 14. Rdf1 0-0 15. Kb1 exf3 16. gxf3 a5 17. a3 Na6 18. Nce2 b5 19. f4 b4 20. a4 c5 21. f5 c4 22. Qd1 Bxf5+ 23. Nxf5 Rxf5 24. Qc2 Rxf1+ 25. Rxf1 Nc7 26. b3 cxb3 27. Qxb3 Bxh2 28. Kb2 Bd6 29. Rc1 Rd8 30. Rc6 Qd7 31. Qc2 Ne8 32. Ra6 Qc7 33. Qf5 Nf6 34. e4 dxe4 35. Qe6+ Kh8 36. Bg5 Be7 37. Bf4 Qd7 38. Qxd7 Rxd7 39. Rxa5 Nd5 40. Be5 1-0

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.12"]
[Round "8"]
[White "O'Connor, Jonathan"]
[Black "O'Donnell, Conor"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2148"]
[BlackElo "2291"]
[PlyCount "38"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. 0-0 e6 6. c4 dxc4 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 0-0 11. Nb3 Be7 12. c4 Bd7 13. Bb2 Rfd8 14. Nfd4 Rac8 15. Nb5 b6 16. Nd6 Rc7 17. Nb5 Rcc8 18. Nd6 Rc7 19. Nb5 Rcc8 1/2-1/2

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.11"]
[Round "7"]
[White "O'Connor, Jonathan"]
[Black "Flynn, Jacob"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2148"]
[BlackElo "2142"]
[PlyCount "87"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. Bg2 Bf5 5. 0-0 e6 6. Nbd2 Nf6 7. c4 dxc4 8. Nxc4 Nxc4 9. Qa4+ c6 10. Qxc4 Be4 11. Bg5 Qd5 12. Qxd5 Nxd5 13. Rac1 a5 14. Rfd1 f6 15. Bd2 Be7 16. Ne1 Bxg2 17. Kxg2 Kf7 18. e4 Nc7 19. Bf4 Ne8 20. d5 cxd5 21. exd5 e5 22. Be3 Nd6 23. Nd3 Rhc8 24. Nc5 Rc7 25. Ne6 Rxc1 26. Rxc1 Rc8 27. Rxc8 Nxc8 28. a4 g6 29. Kf3 Ke8 30. Ke4 Kd7 31. Kd3 Bb4 32. Nc5+ Kc7 33. Ne4 f5 34. Ng5 h5 35. Nf7 Bd6 36. Bd2 e4+ 37. Kd4 Bb4 38. Bf4+ Kb6 39. Ke5 Kc5 40. d6 Kc6 41. Ke6 Bxd6 42. Nxd6 Nb6 43. b3 Nd5 44. Bd2 1-0

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.10"]
[Round "6"]
[White "Baburin, Alexander"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2379"]
[BlackElo "2148"]
[PlyCount "39"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. Qb3 dxc4 7. Qxc4 0-0 8. 0-0 Bf5 9. b3 Nbd7 10. Bb2 Rc8 11. Nbd2 Ne4 12. Rfd1 c5 13. Qa4 Nd6 14. Rac1 b5 15. Qa3 a5 16. Ba1 b4 17. Qa4 Nb8 18. Nc4 Nxc4 19. bxc4 Qc7 20. d5 1/2-1/2

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.09"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "Collins, Adam"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2148"]
[BlackElo "2093"]
[PlyCount "6"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 Bf5 1-0

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.08"]
[Round "4"]
[White "Daly, Colm"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2181"]
[BlackElo "2148"]
[PlyCount "222"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 b6 5. c4 Bb7 6. g3 Bd6 7. cxd5 exd5 8. Bg2 0-0 9. 0-0 Re8 10. Nc3 Nbd7 11. Rc1 a6 12. d3 Qe7 13. Re1 Rad8 14. Qc2 Ne5 15. Nxe5 Bxe5 16. Ne2 Bxb2 17. Qxb2 c5 18. d4 h5 19. Nf4 h4 20. gxh4 Ne4 21. h5 Rd6 22. f3 Ng5 23. Qf2 Rh6 24. h4 Ne6 25. Nxe6 fxe6 26. dxc5 bxc5 27. e4 d4 28. b4 Rxh5 29. bxc5 e5 30. Bh3 Bc6 31. Kg2 Qxh4 32. Qxh4 Rxh4 33. Rb1 Bb5 34. Rb4 Rh6 35. a4 Bc6 36. a5 Bb5 37. Rc1 Re7 38. Rxb5 axb5 39. c6 Rc7 40. Bd7 Kf7 41. a6 Rh8 42. Rc5 Rb8 43. a7 Ra8 44. Rxe5 Raxa7 45. Rxb5 Rxd7 46. cxd7 Rxd7 47. Kf2 d3 48. Rb1 Ra7 49. Ke3 Ra3 50. Kd2 Kf6 51. Rb5 g5 52. Rf5+ Kg6 53. Rd5 Kf6 54. Rxd3 Ra2+ 55. Ke3 g4 56. fxg4 Ra1 57. Kf4 Rf1+ 58. Rf3 Rg1 59. Rf2 Re1 60. Rf3 Rg1 61. Ke3+ Kg5 62. Rf8 Re1+ 63. Kd4 Rd1+ 64. Kc5 Re1 65. Kd5 Rd1+ 66. Ke6 Ra1 67. e5 Ra6+ 68. Ke7 Ra7+ 69. Ke8 Ra8+ 70. Kf7 Ra7+ 71. Ke6 Ra6+ 72. Kd5 Ra5+ 73. Kd4 Ra4+ 74. Kd3 Ra3+ 75. Kc4 Ra4+ 76. Kc5 Ra5+ 77. Kd6 Ra6+ 78. Kd7 Ra7+ 79. Kc6 Ra6+ 80. Kd5 Ra5+ 81. Ke6 Ra6+ 82. Kf7 Ra7+ 83. Ke8 Ra8+ 84. Ke7 Ra7+ 85. Kd6 Ra6+ 86. Kd5 Ra5+ 87. Kd4 Ra4+ 88. Ke3 Ra3+ 89. Kf2 Ra5 90. Rg8+ Kf4 91. e6 Re5 92. Rg6 Re4 93. Kg2 Re3 94. Kh2 Re1 95. Kh3 Rh1+ 96. Kg2 Re1 97. Kf2 Re4 98. Kg2 Re1 99. Kh2 Re3 100. Kg2 Re1 101. g5 Kf5 102. Kf2 Re5 103. Rg8 Rxe6 104. Kg3 Re4 105. Kh3 Re1 106. g6 Rh1+ 107. Kg2 Rh6 108. g7 Kf6 109. Kf3 Rg6 110. Kf4 Rxg7 111. Rxg7 Kxg7 1/2-1/2

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.07"]
[Round "3"]
[White "O'Connor, Jonathan"]
[Black "Sheahan, Ben"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2148"]
[BlackElo "1967"]
[PlyCount "123"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. d4 e6 5. a4 b4 6. c4 bxc3 7. Nxc3 c5 8. Qb3 Bc6 9. 0-0 Be7 10. Bf4 0-0 11. Rac1 cxd4 12. Nxd4 Bxg2 13. Kxg2 Na6 14. Ncb5 Qb6 15. Qc4 d5 16. Qc2 Qb7 17. Qc6 Qxc6 18. Nxc6 Bc5 19. b4 Bxb4 20. Nxb4 Nxb4 21. Bd6 a5 22. Bxf8 Kxf8 23. Rfd1 Ne8 24. Nc7 Ra7 25. Nxe8 Kxe8 26. Rc5 Kd7 27. e4 g6 28. exd5 exd5 29. Rb5 Kd6 30. Rd2 h6 31. h4 h5 32. Kf3 Kc6 33. Kf4 Kd6 34. Kg5 Ke5 35. f3 Ke6 36. Kf4 Kd6 37. g4 hxg4 38. fxg4 f6 39. Rb6+ Ke7 40. Re2+ Kf7 41. Ree6 g5+ 42. hxg5 fxg5+ 43. Kxg5 d4 44. Rf6+ Kg7 45. Rg6+ Kf8 46. Rb8+ Kf7 47. Rh8 Re7 48. Rh7+ Ke8 49. Rxe7+ Kxe7 50. Kf5 d3 51. Re6+ Kd7 52. Re1 Nd5 53. Ke5 Nc3 54. Re3 Nxa4 55. Rxd3+ Kc6 56. g5 Nc5 57. Rc3 Kb5 58. Rxc5+ Kxc5 59. g6 a4 60. g7 a3 61. g8Q Kb4 62. Qa2 1-0

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.06"]
[Round "2"]
[White "Liu, Jason1111"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "2074"]
[BlackElo "2148"]
[PlyCount "71"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bc5 6. d4 Bb4 7. Bd2 c5 8. Bb5+ Nc6 9. Nxe4 dxe4 10. c3 exf3 11. Qxf3 0-0 12. Bxc6 bxc6 13. cxb4 Qh4+ 14. g3 Qxd4 15. Bc3 Qc4 16. Qe2 Qd5 17. 0-0 cxb4 18. Qd2 Qb5 19. Bxb4 c5 20. Bc3 Bb7 21. h3 Rad8 22. Qf2 Rd3 23. Rad1 c4 24. Kh2 Qd5 25. Rde1 Qe6 26. Qf5 Qd5 27. Qf2 Rf3 28. Qxf3 Qxf3 29. Rxf3 Bxf3 30. Re3 Bd5 31. Re2 Rd8 32. Rd2 Rd7 33. Kg1 Kf8 34. Kf2 Ke7 35. Ke3 Ke6 36. Kf4 1/2-1/2

[Event "IRL-ch 102nd"]
[Site "Dublin"]
[Date "2023.08.05"]
[Round "1"]
[White "O'Connor, Jonathan"]
[Black "Nolan, Conor"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2148"]
[BlackElo "1935"]
[PlyCount "53"]
[EventDate "2023.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 e6 3. Bg2 Nf6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 c5 7. e4 Nc6 8. Re1 b5 9. e5 Nd7 10. Nf1 Qc7 11. Bf4 Bb7 12. h4 Rfc8 13. g4 f6 14. exf6 Qxf4 15. fxe7 Qxg4 16. N1h2 Qg6 17. Ng5 Nce5 18. Ng4 h6 19. Nxe5 Nxe5 20. Rxe5 hxg5 21. Qg4 Qf7 22. hxg5 Qxe7 23. Rxe6 Qd7 24. Rae1 Rf8 25. Qh3 Qf7 26. g6 Qxf2+ 27. Kh1 1-0

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2021.09.26"]
[Round "4"]
[White "Daly, Colm"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2285"]
[BlackElo "2153"]
[PlyCount "94"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bg5 Ne4 4. Bh4 d5 5. e3 Bg7 6. Nbd2 c5 7. c3 Qb6 8. Qb3 Nxd2 9. Kxd2 cxd4 10. exd4 Bh6+ 11. Ke1 Qe6+ 12. Be2 0-0 13. Kf1 Nc6 14. Re1 Qd6 15. Bb5 Be6 16. Bg3 Bf4 17. Bxf4 Qxf4 18. h3 Rac8 19. Re3 Qd6 20. Qd1 f6 21. g3 Bf5 22. Nh4 Bd7 23. Bxc6 Bxc6 24. Kg2 e5 25. Rhe1 e4 26. f4 exf3+ 27. Nxf3 Rce8 28. Rxe8 Rxe8 29. Qd2 Re4 30. Kf2 Qe6 31. Ng1 Qf5+ 32. Kg2 Kf7 33. Rxe4 dxe4 34. Qe3 Qa5 35. a3 Qa4 36. Kf2 Qc2+ 37. Qe2 Qc1 38. c4 e3+ 39. Qxe3 Qxc4 40. Ne2 Qc2 41. Qc3 Qe4 42. h4 Qg2+ 43. Ke1 Bf3 44. Qc7+ Kg8 45. Qb8+ Kg7 46. Qc7+ Kg8 47. Qb8+ Kg7 1/2-1/2

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2021.09.26"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "O'Connell, Gerard"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2153"]
[BlackElo "2051"]
[PlyCount "124"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 a6 6. Nc3 d6 7. d4 cxd4 8. Qxd4 e5 9. Qd3 Be7 10. h3 Be6 11. b3 Nf6 12. Bb2 Rc8 13. 0-0-0 Qa5 14. Kb1 0-0 15. Rhe1 Rc7 16. Qd2 Qc5 17. Re2 b5 18. Ng5 Bc8 19. h4 Rd8 20. f3 h6 21. Nh3 Be6 22. Nf2 b4 23. Na4 Qb5 24. Nd3 Rdc8 25. Qxb4 Qe8 26. Qe1 Rb8 27. Nc3 Rbc8 28. Nb4 Ra7 29. Qf2 Rb7 30. Nbd5 Nxd5 31. Nxd5 Bd8 32. g4 a5 33. Ne3 Rc6 34. Red2 Rd7 35. Nf5 Bb6 36. Qg3 Bc5 37. f4 f6 38. g5 Qg6 39. Nxh6+ gxh6 40. f5 Bxf5 41. exf5 Qxf5 42. gxf6+ Kh7 43. Bxe5 Bb4 44. Rg2 Rc8 45. Bb2 Rdc7 46. Qd3 Qxd3 47. Rxd3 Re8 48. c4 a4 49. a3 Re1+ 50. Ka2 axb3+ 51. Kxb3 Bc5 52. Rdg3 Rb7+ 53. Ka2 h5 54. Rg7+ Rxg7 55. Rxg7+ Kh6 56. f7 Rf1 57. a4 Rf2 58. a5 Rxb2+ 59. Kxb2 Kxg7 60. Kb3 Kxf7 61. Ka4 Ke7 62. Kb5 Kd7 0-1

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2021.09.25"]
[Round "2"]
[White "Loughran, John"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "1660"]
[BlackElo "2153"]
[PlyCount "64"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Be3 0-0 9. Ne2 Nc6 10. 0-0 e6 11. Rb1 Qe7 12. Qa4 Rd8 13. Rfd1 a6 14. Qa3 Qh4 15. f4 cxd4 16. cxd4 Bf8 17. Qa4 Bd7 18. Rxb7 Ne5 19. Rxd7 Nxd7 20. Rb1 Rab8 21. Bb3 Ra8 22. Qc6 Qe7 23. d5 Nc5 24. dxe6 Nxe6 25. Bd5 Rac8 26. Qxa6 Nc7 27. Qd3 Nxd5 28. exd5 Re8 29. Rb3 Qxe3+ 30. Qxe3 Rxe3 31. Rxe3 Bc5 32. Kf2 Re8 0-1

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2021.09.25"]
[Round "3"]
[White "O'Connor, Jonathan"]
[Black "MacElligott, Gerard"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2153"]
[BlackElo "1966"]
[PlyCount "37"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. 0-0 0-0 11. Na4 Bb6 12. b4 Re8 13. a3 Bg4 14. Re1 Re6 15. Qd3 Qe8 16. Nxb6 Bxe2 17. Rxe2 Rxe2 18. Nxa8 Re1+ 19. Bf1 1-0

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2021.09.24"]
[Round "1"]
[White "O'Connor, Jonathan"]
[Black "Maher, John"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2153"]
[BlackElo "1486"]
[PlyCount "59"]
[EventDate "2021.09.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 e6 3. c4 Nf6 4. Nc3 b6 5. e4 Bb7 6. Bd3 h6 7. 0-0 Be7 8. Qe2 0-0 9. b3 Nbd7 10. Bb2 d5 11. cxd5 exd5 12. e5 Nh7 13. Rfe1 Ng5 14. Rad1 Ne6 15. Bb1 Bb4 16. Qc2 g6 17. Bc1 Kg7 18. h4 Rh8 19. h5 g5 20. a3 Bxc3 21. Qxc3 Rc8 22. b4 b5 23. Qd3 c6 24. Nh2 Qe7 25. Ng4 Rcf8 26. Ne3 Kg8 27. Nf5 Qd8 28. Qg3 f6 29. Nh4 f5 30. Nxf5 1-0

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.08.08"]
[Round "9"]
[White "O'Connor, Jonathan"]
[Black "Murchadha, Oissine"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2153"]
[BlackElo "1976"]
[PlyCount "118"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8. 0-0 0-0 9. Nc3 Ne4 10. Qb3 Qb6 11. Nh4 Qxb3 12. axb3 Bxh4 13. gxh4 Nf6 14. b4 Na6 15. b5 Nb4 16. bxc6 Nxc6 17. e3 Bc2 18. Bd2 e5 19. d5 Nb4 20. e4 a5 21. f3 Rfc8 22. Na4 Nd7 23. Bh3 Bxa4 24. Rxa4 Nb6 25. Rxb4 axb4 26. Bxc8 Rxc8 27. Bxb4 f6 28. Ra1 Rd8 29. b3 Kf7 30. Rc1 Rd7 31. Kf2 Na8 32. Ke3 Nc7 33. Rc4 Kg6 34. f4 exf4+ 35. Kxf4 Kf7 36. Be1 g6 37. Bg3 Ne8 38. Rc5 Re7 39. Ke3 Rd7 40. Kd4 Ke7 41. Rb5 Ng7 42. Rb6 Kf7 43. Be1 Ne8 44. Bb4 Nc7 45. Bd6 Ne8 46. Bb8 Ng7 47. Kc5 Ne8 48. Bg3 Ng7 49. Rb4 Ke7 50. Ra4 Nh5 51. Bb8 Ng7 52. Ra2 Ne8 53. Ra7 b6+ 54. Kxb6 Rxa7 55. Kxa7 Nd6 56. Bxd6+ Kxd6 57. b4 f5 58. exf5 gxf5 59. b5 Ke5 1-0

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.08.07"]
[Round "8"]
[White "Goss, Alex"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1833"]
[BlackElo "2153"]
[PlyCount "86"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 Ne4 6. 0-0 Be7 7. Re1 d5 8. Bb5 0-0 9. Bxc6 bxc6 10. Nxd4 Bd7 11. f3 Nc5 12. Be3 a5 13. a4 Rb8 14. b3 Re8 15. Qd2 Ne6 16. f4 Bb4 17. c3 Nxd4 18. Bxd4 Bf8 19. Qd1 Qh4 20. Rf1 Bg4 21. Qc2 c5 22. Bf2 Qh5 23. Nd2 Bf5 24. Qa2 Bd3 25. Rfe1 Qf5 26. Re3 Ba6 27. Rf3 Be2 28. Re3 Bh5 29. g3 c6 30. Nf3 Bg4 31. Nh4 Qd7 32. Rd3 Be7 33. Ng2 Bf5 34. Rd2 Be4 35. Re1 Qb7 36. Rb2 c4 37. b4 axb4 38. a5 b3 39. Qa4 Qb5 40. Ra1 Qa6 41. Ne3 Ra8 42. Nf1 Reb8 43. Nd2 Bd3 0-1

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.08.06"]
[Round "7"]
[White "Murray, Sam"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1621"]
[BlackElo "2153"]
[PlyCount "105"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. Nc3 c6 5. Nf3 g6 6. h3 Nf6 7. Bg5 Bg7 8. Qd2 b5 9. Bd3 b4 10. Ne2 Nbd7 11. Qxb4 Rb8 12. Qa3 0-0 13. 0-0 Qb6 14. Rab1 Re8 15. Be3 a5 16. Nd2 Ba6 17. Nb3 Bxd3 18. cxd3 a4 19. Nd2 Ra8 20. Nc4 Qa6 21. Rfc1 d5 22. exd5 Nxd5 23. Nc3 Nxe3 24. fxe3 e5 25. d5 cxd5 26. Nxd5 Qe6 27. Nc7 Qxh3 28. Nxe8 Rxe8 29. Rc2 Bh6 30. Re1 Nf6 31. Qc3 Ng4 32. Qd2 Rd8 33. Qg2 Qh4 34. Qe2 Rxd3 35. Qxd3 Qxe1+ 36. Kg2 Bxe3 37. Kf3 Bf4 38. Kg2 h5 39. Re2 Qh4 40. Qh3 Qe7 41. Qf3 Kg7 42. Qxf4 Qb7+ 43. Qf3 Qb5 44. Qxf7+ Kh6 45. Rc2 Qc5 46. Re2 Qc6+ 47. Kg3 Qc5 48. Nxe5 Qg1+ 49. Rg2 Qe1+ 50. Kh3 Qxe5 51. Qf8+ Kg5 52. Qd8+ Kh6 53. Qf8+ 1/2-1/2

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.08.04"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "Burke, Kevin"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2153"]
[BlackElo "1883"]
[PlyCount "49"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 e6 2. g3 f5 3. Bg2 Nf6 4. c4 Be7 5. Nf3 d6 6. b3 0-0 7. 0-0 Qe8 8. Bb2 Nbd7 9. Nbd2 Bd8 10. Qc2 Qg6 11. Rac1 Ne4 12. Nxe4 fxe4 13. Nd2 d5 14. f3 e3 15. Qxg6 hxg6 16. Nb1 Bf6 17. cxd5 exd5 18. Rxc7 Nb8 19. f4 Be6 20. Rxb7 Nc6 21. Rd1 Ne7 22. Ba3 Rfe8 23. Nc3 Rac8 24. Bxe7 Bxe7 25. Nxd5 1-0

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.08.03"]
[Round "4"]
[White "Collins, Adam"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1887"]
[BlackElo "2153"]
[PlyCount "105"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. c3 0-0 7. Re1 Ba7 8. Bxc6 dxc6 9. Nxe5 Re8 10. d4 c5 11. Nf3 Nxe4 12. Be3 Bg4 13. dxc5 Nxc5 14. Bxc5 Qxd1 15. Rxd1 Bxc5 16. Kf1 Rad8 17. Rxd8 Rxd8 18. Nbd2 f6 19. Re1 Kf7 20. h3 Bf5 21. Ne4 Bb6 22. g4 Bc8 23. Ng3 g6 24. Kg2 c5 25. Ne4 h6 26. Ng3 Bc7 27. Re2 b6 28. Rd2 Bb7 29. Rxd8 Bxd8 30. Nf1 Bc7 31. N1d2 Bf4 32. Kf1 g5 33. Ke2 Ke6 34. Nc4 b5 35. Ne3 Bxe3 36. Kxe3 a5 37. Nd2 Bg2 38. f3 h5 39. Kf2 Bxh3 40. Kg3 Bxg4 41. fxg4 h4+ 42. Kf3 Kd5 43. Ne4 Kc4 44. Nxf6 b4 45. Ne4 bxc3 46. bxc3 a4 47. Nxg5 Kxc3 48. Ne4+ Kb2 49. g5 a3 50. g6 Kxa2 51. g7 Kb2 52. g8Q a2 53. Qg7+ 1-0

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.08.02"]
[Round "3"]
[White "O'Connor, Jonathan"]
[Black "Kanyamarala, Trisha"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2153"]
[BlackElo "2180"]
[PlyCount "104"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 Nc6 6. 0-0 d6 7. h3 Nf6 8. Re1 e6 9. Bf1 Be7 10. d3 0-0 11. Ne2 Qc7 12. Ng3 b5 13. c3 Bb7 14. d4 Rfd8 15. a3 Rac8 16. Be3 Na5 17. Nd2 cxd4 18. cxd4 Nc4 19. Rc1 Qb8 20. Bxc4 bxc4 21. Qc2 d5 22. e5 Nd7 23. Nf3 c3 24. bxc3 Bxa3 25. Rb1 Bf8 26. Ng5 g6 27. h4 Rc6 28. h5 Qc8 29. Qe2 Nb6 30. Qg4 Qd7 31. Qh4 Qe7 32. Qg4 Rb8 33. Nxh7 Kxh7 34. Bg5 Qd7 35. Qh4 Kg8 36. Re3 Nc8 37. Kh2 Ne7 38. hxg6 fxg6 39. Rh1 Nf5 40. Nxf5 exf5 41. Kg3 Bg7 42. Qh7+ Kf7 43. Bf6 Rxf6 44. exf6 Kxf6 45. Rhe1 f4+ 46. Kxf4 Qf5+ 47. Kg3 Rh8 48. Qxg7+ Kxg7 49. Re7+ Kf6 50. Rxb7 Qg5+ 51. Kf3 Rh4 52. Ra1 Qh5+ 0-1

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.08.01"]
[Round "2"]
[White "Murphy, Conor"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2394"]
[BlackElo "2153"]
[PlyCount "87"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. Bxc6 dxc6 7. d3 Re8 8. Ne2 a5 9. a4 Nd7 10. Bg5 Be7 11. Bxe7 Qxe7 12. Nd2 Nf8 13. Nc4 Ng6 14. Qd2 b6 15. f4 exf4 16. Nxf4 Qg5 17. Qe3 Nxf4 18. Rxf4 Be6 19. Nd2 c5 20. Nf3 Qe7 21. Nd2 Rad8 22. Raf1 Qd7 23. b3 Qd6 24. R4f2 Re7 25. Qg5 Rde8 26. e5 Qd8 27. Ne4 Rd7 28. Qg3 Kh8 29. Ng5 Qe7 30. Rf4 h6 31. Rh4 Rd4 32. Ne4 Qf8 33. Qe3 Bd5 34. c3 Rxe4 35. dxe4 Bxb3 36. Qf4 Be6 37. g4 Bc4 38. Rf3 Qe7 39. Rxh6+ gxh6 40. Qxh6+ Kg8 41. Rf5 f6 42. exf6 Qh7 43. f7+ Bxf7 44. Rg5+ 1-0

[Event "IRL-ch 100th"]
[Site "Dublin"]
[Date "2021.07.31"]
[Round "1"]
[White "O'Connor, Jonathan"]
[Black "Scott, Luke"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2153"]
[BlackElo "1906"]
[PlyCount "135"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. c4 b6 7. Qc2 Bb7 8. cxd5 exd5 9. Nc3 c5 10. Rd1 Nbd7 11. dxc5 bxc5 12. Nh4 Nb6 13. Nf5 h6 14. Bxh6 gxh6 15. Nxh6+ Kh8 16. Nf5 Rg8 17. a4 Rb8 18. a5 Nc8 19. Bxd5 Nxd5 20. Nxd5 Bxd5 21. e4 Bxe4 22. Qxe4 Rb4 23. Qe3 Qf8 24. Rd7 Bg5 25. Qc3+ Kh7 26. Rad1 Rg6 27. R1d5 Re4 28. h4 Bxh4 29. Nxh4 Rxh4 30. Rd8 Qg7 31. Qxg7+ Kxg7 32. Rxc8 Rb4 33. Rdxc5 Rxb2 34. Rf5 Rb7 35. Kg2 Re7 36. Kf3 Rd7 37. Re8 Rgd6 38. Rc8 Rg6 39. g4 Re6 40. Kg3 Rd3+ 41. f3 Rd7 42. Rfc5 Ree7 43. R8c6 Rb7 44. a6 Rbd7 45. g5 Rd3 46. Rc7 Rdd7 47. Rxd7 Rxd7 48. Rc6 Re7 49. f4 Re3+ 50. Kg4 Ra3 51. Rf6 Ra1 52. Kf3 Re1 53. Rc6 Ra1 54. Ke4 Ra4+ 55. Ke5 Ra1 56. Kd6 Rd1+ 57. Kc7 Rb1 58. Kc8 Rb4 59. Rc7 Rxf4 60. Kb7 Rb4+ 61. Kxa7 Kg6 62. Ka8 Rb5 63. a7 Rxg5 64. Kb8 Ra5 65. a8Q Rxa8+ 66. Kxa8 f5 67. Kb7 Kg5 68. Kc6 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2020.08.07"]
[Round "7"]
[White "O'Connor, Jonathan"]
[Black "Collins, Adam"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2159"]
[BlackElo "1760"]
[PlyCount "141"]
[EventDate "2020.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 h6 8. 0-0 Nbd7 9. Rd1 Be7 10. e3 0-0 11. Qe2 Qb6 12. Nc3 Rfe8 13. b3 Rad8 14. Bb2 Bh7 15. Rac1 Nd5 16. Na4 Qb5 17. Qxb5 cxb5 18. Nc3 Nxc3 19. Rxc3 Be4 20. Ne1 Bxg2 21. Nxg2 Rc8 22. Rdc1 Nb6 23. Nf4 Bd6 24. Nd3 f6 25. Kf1 Kf7 26. e4 f5 27. f3 g5 28. Ke2 h5 29. Rxc8 Rxc8 30. Rxc8 Nxc8 31. Bc1 Kg6 32. Bd2 b6 33. Bb4 Bc7 34. Ke3 a5 35. Bc3 Ne7 36. Be1 Kf7 37. h3 Nc6 38. d5 exd5 39. exd5 Ne5 40. g4 hxg4 41. hxg4 Kg6 42. Bc3 Nf7 43. Bd4 Nh6 44. Be5 Bd8 45. Nf2 Nf7 46. Bb8 Be7 47. Nd3 Bd8 48. d6 Kf6 49. Kd4 fxg4 50. fxg4 Ke6 51. Bc7 Bf6+ 52. Ke4 Nxd6+ 53. Bxd6 Kxd6 54. Kf5 Bd8 55. Ne5 Kc5 56. a3 a4 57. bxa4 bxa4 58. Ke4 Bc7 59. Nf3 Bf4 60. Kd3 Bc1 61. Kc3 b5 62. Kc2 Bxa3 63. Nxg5 b4 64. Ne4+ Kd4 65. Nd2 Kd5 66. g5 Ke6 67. Nc4 b3+ 68. Kc3 Bc1 69. Kb4 Kd5 70. g6 Bh6 71. Nb6+ 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2020.08.06"]
[Round "6"]
[White "Kanyamarala, Trisha"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2193"]
[BlackElo "2159"]
[PlyCount "77"]
[EventDate "2020.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Qd2 0-0 10. Be2 Nc6 11. Rd1 Rd8 12. 0-0 Bg4 13. Qb2 cxd4 14. cxd4 b6 15. a3 Bxf3 16. Bxf3 Qa4 17. e5 Rac8 18. Be2 Na5 19. Rc1 Nc4 20. Bxc4 Rxc4 21. Rxc4 Qxc4 22. Rc1 Qd5 23. Qb4 Bf8 24. h3 f6 25. Qa4 a5 26. Rb1 Rb8 27. Rc1 Rd8 28. Rb1 Rb8 29. Rb5 Qa2 30. Rb3 b5 31. Rxb5 Rxb5 32. Qxb5 Qxa3 33. Qc4+ Kg7 34. exf6+ exf6 35. Qc7+ Kg8 36. Qc4+ Kg7 37. Qc7+ Kg8 38. Qc4+ Kg7 39. Qc7+ 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2020.08.05"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "Brady, Stephen"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2159"]
[BlackElo "2290"]
[PlyCount "96"]
[EventDate "2020.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. Qc2 c6 9. Bf4 b6 10. Ne5 Bb7 11. cxd5 Nxe5 12. d6 Ng6 13. dxe7 Qxe7 14. Bd2 Rfd8 15. Bc3 Nd5 16. Nd2 Rac8 17. Nb3 a5 18. e4 Nxc3 19. bxc3 c5 20. Qd2 a4 21. Nc1 Ne5 22. Ne2 Nc4 23. Qc2 cxd4 24. Nxd4 e5 25. Nf3 b5 26. Rfd1 h6 27. Ne1 Kf8 28. Nd3 Rd6 29. Nb4 Rcd8 30. Nd5 Qd7 31. Bf1 Bxd5 32. exd5 g6 33. Bxc4 bxc4 34. Rab1 Kg7 35. Rb4 Rxd5 36. Rf1 Qg4 37. f3 Qh3 38. Qg2 Qe6 39. Rb2 a3 40. Rc2 Rd1 41. Qe2 Rxf1+ 42. Kxf1 Rd3 43. Kg2 Qd5 44. Kf2 h5 45. Kg2 Kf6 46. Kf2 Rd1 47. Kg2 Qd3 48. Kf2 g5 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2020.08.04"]
[Round "4"]
[White "Delaney, Killian"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "D33"]
[WhiteElo "2314"]
[BlackElo "2159"]
[PlyCount "91"]
[EventDate "2020.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 d5 5. cxd5 exd5 6. d4 Nc6 7. Bg2 cxd4 8. Nxd4 Bc5 9. Nb3 Bb6 10. 0-0 d4 11. Na4 0-0 12. Bg5 h6 13. Bxf6 Qxf6 14. Nxb6 axb6 15. Bxc6 bxc6 16. Qxd4 Qd8 17. Rfd1 Be6 18. Qc3 Qe8 19. Nd4 c5 20. Nxe6 Qxe6 21. Qe3 Qxe3 22. fxe3 Rfd8 23. a3 Kf8 24. Rd3 Re8 25. Kf2 Re6 26. Rc1 Ke7 27. Rc4 Re5 28. Kf3 Ke6 29. Re4 Rxe4 30. Kxe4 Ra4+ 31. Kf3 Ra8 32. h3 Rc8 33. a4 Ra8 34. b3 b5 35. axb5 Rb8 36. e4 Rxb5 37. e3 h5 38. Kf4 g6 39. Rc3 f6 40. Rd3 g5+ 41. Kf3 Rb4 42. Rd5 Rxb3 43. Rxc5 Rb2 44. Rc6+ Ke5 45. Rc5+ Ke6 46. Rc6+ 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2020.08.03"]
[Round "3"]
[White "O'Connor, Jonathan"]
[Black "Byrne, Alex"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2159"]
[BlackElo "1976"]
[PlyCount "63"]
[EventDate "2020.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. Qc2 0-0 8. Rd1 Nbd7 9. Nc3 Rc8 10. cxd5 Nxd5 11. e4 Nxc3 12. bxc3 c5 13. d5 exd5 14. exd5 b5 15. Rb1 Nb6 16. d6 Bf6 17. Ng5 Bxg5 18. Bxb7 Rb8 19. Be4 Bxc1 20. Bxh7+ Kh8 21. Rbxc1 Qf6 22. Be4 Rfd8 23. Qe2 Qe5 24. f4 Qe6 25. Qh5+ Qh6 26. Qxf7 Rxd6 27. Rxd6 Qxd6 28. Qh5+ Kg8 29. Rd1 Qe7 30. Re1 Qf6 31. Bh7+ Kf8 32. Bg6 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2020.08.02"]
[Round "2"]
[White "O'Gorman, Tom"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2345"]
[BlackElo "2159"]
[PlyCount "87"]
[EventDate "2020.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 g6 5. 0-0 Bg7 6. d4 exd4 7. cxd4 d5 8. exd5 Nxd5 9. Qa4 0-0 10. Bxc6 bxc6 11. Nc3 Rb8 12. Qxa7 Rb7 13. Qc5 Nb4 14. Bg5 Qd6 15. Be7 Qxc5 16. Bxc5 Rd8 17. Ne5 f6 18. Nc4 Nd3 19. Na4 Rb5 20. Rad1 Be6 21. Na3 Nxc5 22. Nxc5 Rxc5 23. dxc5 Ra8 24. Nc2 Rxa2 25. Rfe1 Bf7 26. Nb4 Rxb2 27. Nxc6 Bf8 28. Ne7+ Kg7 29. Rd7 c6 30. Rc1 f5 31. Nxc6 Kf6 32. Nd8 Be8 33. Rd5 Rb5 34. h4 Be7 35. Re1 Bxc5 36. Rxc5 Rxc5 37. Rxe8 Rc8 38. Re6+ Kg7 39. Nc6 Kf7 40. Rd6 Rc7 41. Ne5+ Ke7 42. Rc6 Rb7 43. g3 Rb5 44. Nf3 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2020.08.01"]
[Round "1"]
[White "O'Connor, Jonathan"]
[Black "O'Gorman, Alice"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2159"]
[BlackElo "1904"]
[PlyCount "121"]
[EventDate "2020.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Ba6 11. Ne5 Nxe5 12. dxe5 Nd7 13. cxd5 cxd5 14. e4 Rc8 15. Nc3 g5 16. Be3 Nxe5 17. Qa4 Rxc3 18. Qxa6 Rc7 19. exd5 Qc8 20. Qe2 Nc4 21. Bd4 Rd8 22. Bc3 b5 23. b3 Ne3 24. Ba5 Nxd1 25. Bxc7 Qxc7 26. Rxd1 exd5 27. Bxd5 Qc5 28. Qf3 Rf8 29. Qf5 Kg7 30. Kg2 Bf6 31. b4 Qxb4 32. Be4 Rh8 33. Rd7 Qc3 34. Rxa7 Qe5 35. Qf3 h6 36. Bd5 Rf8 37. Rb7 b4 38. Rxb4 Rb8 39. Bb7 Qc3 40. Rb5 Qxf3+ 41. Kxf3 Bd4 42. a4 Bc3 43. Ke4 f6 44. Kd5 Rd8+ 45. Kc4 Bd4 46. f3 Bg1 47. Rb2 f5 48. a5 Rd1 49. a6 Ra1 50. Kd5 Rc1 51. Ke6 f4 52. g4 Rc3 53. Be4 Ra3 54. Bb7 Rc3 55. Ra2 Ba7 56. Rd2 Ra3 57. Rd7+ Kf8 58. Kf6 Ke8 59. Bc6 Rxa6 60. Rd6+ Rxc6 61. Rxc6 1-0

[Event "Bunratty Masters 27th"]
[Site "Bunratty"]
[Date "2020.02.23"]
[Round "5"]
[White "Heidenfeld, Mark"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2361"]
[BlackElo "2161"]
[PlyCount "35"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. 0-0 Bd6 7. d4 Nd7 8. dxe5 Nxe5 9. Nxe5 Bxe5 10. Qxd8+ Kxd8 11. Rd1+ Bd7 12. Nd2 Ke8 13. Nb3 b6 14. f4 Bf6 15. e5 Be7 16. Be3 c5 17. Rd2 a5 18. Rad1 1/2-1/2

[Event "Bunratty Masters 27th"]
[Site "Bunratty"]
[Date "2020.02.23"]
[Round "6"]
[White "O'Connor, Jonathan"]
[Black "Kanyamarala, Tarun"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2161"]
[BlackElo "2349"]
[PlyCount "40"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 b5 5. a4 b4 6. c4 bxc3 7. bxc3 Bb7 8. Nbd2 Nbd7 9. 0-0 c5 10. c4 Be7 11. Re1 0-0 12. Bb2 Rc8 13. cxd5 Nxd5 14. Qb3 Ba6 15. Rac1 Rb8 16. Qa2 Qa5 17. Qa1 Rb4 18. dxc5 Rxa4 19. Qb1 Nxc5 20. Ne5 Qxd2 0-1

[Event "Bunratty Masters 27th"]
[Site "Bunratty"]
[Date "2020.02.22"]
[Round "4"]
[White "O'Connor, Jonathan"]
[Black "Connell, Blair N"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2161"]
[BlackElo "2238"]
[PlyCount "69"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 h6 4. Bg2 c6 5. c4 Bf5 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Bxb1 9. Rxb1 Nbd7 10. b4 a6 11. h4 Ne4 12. h5 e6 13. Bf4 Be7 14. Ne5 Nxe5 15. Bxe5 0-0 16. Ra1 Rae8 17. 0-0 f6 18. Bf4 Bd8 19. f3 Ng5 20. Bd6 Rf7 21. e4 Rd7 22. exd5 exd5 23. Rfe1 Rxe1+ 24. Rxe1 Kf7 25. f4 Ne6 26. Bh3 Rxd6 27. cxd6 Nxd4 28. Kf2 Nb5 29. d7 Nd6 30. Re6 Ne4+ 31. Kg2 Be7 32. Bf5 Nd2 33. Bg6+ Kf8 34. d8Q+ Bxd8 35. Re8# 1-0

[Event "Bunratty Masters 27th"]
[Site "Bunratty"]
[Date "2020.02.22"]
[Round "2"]
[White "O'Connor, Jonathan"]
[Black "Murphy, Sean"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2161"]
[BlackElo "1976"]
[PlyCount "120"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. c4 cxd4 5. cxd5 Qa5+ 6. Qd2 Qxd5 7. Qxd4 Nc6 8. Qxd5 Nxd5 9. Bg2 Ndb4 10. Na3 g6 11. 0-0 Bg7 12. Nb5 0-0 13. a3 Nc2 14. Rb1 N2d4 15. Nfxd4 Nxd4 16. Nxd4 Bxd4 17. Bh6 Rd8 18. Rbd1 Bg4 19. Rd2 Rd6 20. h3 Be6 21. Bf4 Rd7 22. e3 Bg7 23. Rfd1 Rad8 24. Rxd7 Rxd7 25. Rxd7 Bxd7 26. Bb8 Bxb2 27. Bxa7 Bxa3 28. Bxb7 Bxh3 29. Kh2 Be6 30. Kg2 f6 31. Bc6 Kf7 32. e4 Bd6 33. Be3 g5 34. f3 Bb3 35. Bd7 e6 36. Bb5 Bc2 37. g4 Bb3 38. Bd4 Ke7 39. Kf2 e5 40. Bb6 Bf7 41. Kg3 h5 42. gxh5 Bxh5 43. Kf2 Bb4 44. Be2 Be8 45. Bc4 Bd7 46. Be2 Bc3 47. Bc5+ Kf7 48. Bd6 Ba5 49. Bc5 Bd8 50. Bd6 Be7 51. Bc7 Kg6 52. Kg3 Bb4 53. Bb6 Be1+ 54. Kg2 Bd2 55. Bc5 Bc3 56. Be7 Bd2 57. Bd8 Bf4 58. Be7 Kh5 59. Bxf6 Kh4 60. Kf2 Bh3 1/2-1/2

[Event "Bunratty Masters 27th"]
[Site "Bunratty"]
[Date "2020.02.22"]
[Round "3"]
[White "Venkatesan, Kavin"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2027"]
[BlackElo "2161"]
[PlyCount "80"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 0-0 7. Bd3 Nbd7 8. Nge2 b5 9. 0-0 exd5 10. Nxb5 dxe4 11. Bxe4 Nxe4 12. fxe4 Ne5 13. Nxd6 Be6 14. b3 Bg4 15. Rf2 Bc3 16. Rb1 Bxe2 17. Qxe2 Qxd6 18. Bb2 Bxb2 19. Rxb2 Rad8 20. Rd2 Qxd2 21. Qxd2 Rxd2 22. Rxd2 Rc8 23. Rd5 f6 24. h3 Kf7 25. Kf2 Ke7 26. g4 g5 27. Ke3 Rc6 28. Kd2 Rd6 29. Ke3 Nd7 30. Kf3 Ke6 31. Ke3 Rxd5 32. exd5+ Ke5 33. a3 a5 34. Kd3 f5 35. Ke3 f4+ 36. Kd3 Nb6 37. Ke2 Kd4 38. Kf3 Kc3 39. d6 Kxb3 40. Ke4 Kxc4 0-1

[Event "Bunratty Masters 27th"]
[Site "Bunratty"]
[Date "2020.02.21"]
[Round "1"]
[White "Baburin, Alexander"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E34"]
[WhiteElo "2418"]
[BlackElo "2161"]
[PlyCount "35"]
[EventDate "2020.02.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 Nbd7 9. dxc5 Qxc5 10. e4 b6 11. Bd3 Bb7 12. 0-0 Qh5 13. Bb4 Rc8 14. Qa4 a5 15. Bd6 Bc6 16. Qd4 Nc5 17. Ne5 Nb7 18. Rac1 1-0

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2020.01.06"]
[Round "7"]
[White "O'Connor, Jonathan"]
[Black "Delaney, John Anthony"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2154"]
[BlackElo "2176"]
[PlyCount "28"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 b4 5. Nbd2 d6 6. e4 e5 7. Bd3 Nbd7 8. a3 Be7 9. axb4 cxb4 10. 0-0 Nc5 11. Bc2 0-0 12. Re1 Ng4 13. h3 Nh6 14. Nb3 Nxb3 1/2-1/2

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2020.01.05"]
[Round "5"]
[White "Morriss, Pete R"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2001"]
[BlackElo "2154"]
[PlyCount "58"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d3 0-0 6. h4 d6 7. Bd2 c6 8. Nh3 e5 9. Qc1 d5 10. Bh6 d4 11. Bxg7 Kxg7 12. Nb1 a5 13. Nd2 Qe7 14. 0-0 c5 15. Qc2 Nc6 16. a3 Bd7 17. Rae1 f4 18. Ng5 h6 19. Nge4 Ng4 20. Nf3 fxg3 21. Nxg3 e4 22. dxe4 Nce5 23. h5 Rxf3 24. Bxf3 Qh4 25. Bxg4 Nxg4 26. Kg2 Qh2+ 27. Kf3 Ne5+ 28. Kf4 Re8 29. Rh1 g5# 0-1

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2020.01.05"]
[Round "6"]
[White "Moss, Robin"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2269"]
[BlackElo "2154"]
[PlyCount "39"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Qe2 Nge7 7. Nc3 0-0 8. Be3 d6 9. 0-0-0 f5 10. f4 fxe4 11. Bxb6 axb6 12. Qxe4 Bg4 13. Bd3 Bf5 14. Bc4+ Kh8 15. Qf3 Qd7 16. h3 Be6 17. Bxe6 Qxe6 18. g4 d5 19. Kb1 Rad8 20. f5 1/2-1/2

[Event "IRL-ch Seniors 50/65"]
[Site "Dublin"]
[Date "2020.01.04"]
[Round "4"]
[White "O'Connor, Jonathan"]
[Black "Keogh, Eamon"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2154"]
[BlackElo "1918"]
[PlyCount "98"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 Nbd7 6. 0-0 0-0 7. Qc2 Ne4 8. Nc3 Nxc3 9. Qxc3 c6 10. Rd1 f5 11. b4 dxc4 12. Qxc4 Nb6 13. Qb3 Qd5 14. Rb1 Qxb3 15. Rxb3 Nd5 16. Bd2 Bd7 17. Ne5 Be8 18. Rc1 Bf6 19. e3 Bxe5 20. dxe5 a6 21. a4 Bh5 22. f3 Rfd8 23. Rc2 Nc7 24. Kf2 Rd7 25. Bc3 Rad8 26. Bf1 Bg6 27. Rc1 Rd1 28. Rbb1 Rxc1 29. Rxc1 Bh5 30. Be2 Be8 31. Bd4 Nd5 32. Bc5 Kf7 33. Bd6 Ne7 34. Bc4 Nc8 35. Bc5 Rd2+ 36. Be2 Ra2 37. a5 Rd2 38. e4 Ne7 39. Ke3 Rd7 40. Bc4 g5 41. h4 f4+ 42. gxf4 gxf4+ 43. Ke2 Ng6 44. Bd6 Ne7 45. Rg1 Nc8 46. Bc5 Ne7 47. h5 Ng8 48. Rg4 Nh6 49. Rxf4+ Kg7 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.11"]
[Round "9"]
[White "Haque, Muhtarim Ul"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2036"]
[BlackElo "2165"]
[PlyCount "111"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. e3 a6 6. a4 b6 7. Bxc4 Bb7 8. 0-0 Bb4 9. Qe2 c5 10. Ne5 0-0 11. Rd1 Qc8 12. Bd3 Nc6 13. Ng4 Nxg4 14. Qxg4 f5 15. Qf4 Rf6 16. Be2 cxd4 17. exd4 Ne7 18. Bf3 Bxc3 19. Bxb7 Qxb7 20. bxc3 Rc8 21. Rd3 Nd5 22. Qf3 Rc4 23. Bd2 a5 24. Qh5 Rg6 25. Rg3 Nf6 26. Qe2 Qc6 27. Rxg6 hxg6 28. f3 Nd5 29. Re1 Kf7 30. h4 Rxa4 31. g4 Rc4 32. h5 gxh5 33. gxh5 Nf6 34. h6 gxh6 35. Qe3 Qd6 36. Re2 Rc8 37. Qxh6 Rg8+ 38. Bg5 Qg3+ 39. Rg2 Qe1+ 40. Kh2 Rg6 41. Qxg6+ Kxg6 42. Bd2+ Ng4+ 43. Rxg4+ fxg4 44. Bxe1 Kf5 45. Kg3 gxf3 46. Kxf3 e5 47. Ke3 b5 48. Bg3 a4 49. Kd3 e4+ 50. Kc2 Ke6 51. Bf4 Kd5 52. Bc1 b4 53. cxb4 Kxd4 54. Kb2 Kc4 55. Ka3 Kb5 56. Be3 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.10"]
[Round "8"]
[White "O'Connor, Jonathan"]
[Black "Wallace, Paul Anthony"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "2165"]
[BlackElo "2171"]
[PlyCount "49"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 Nc6 6. Bb5 Nxc3 7. dxc3 Be7 8. Bf4 0-0 9. 0-0-0 Bg5 10. h4 Bxf4+ 11. Qxf4 Qe7 12. Nf3 f6 13. exf6 Rxf6 14. Qd2 Be6 15. Rde1 Qd6 16. Bd3 Bf5 17. Re3 h6 18. Bxf5 Rxf5 19. g4 Rf7 20. g5 Raf8 21. Qe2 Re7 22. Rxe7 Qxe7 23. Qxe7 Nxe7 24. Nd4 Rf2 25. Re1 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.09"]
[Round "7"]
[White "Melaugh, Gavin"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2025"]
[BlackElo "2165"]
[PlyCount "80"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. Ng5 d5 6. exd5 Qe7+ 7. Kf1 Ne5 8. Qxd4 Nxc4 9. Qxc4 Qc5 10. Qxc5 Bxc5 11. c4 Bf5 12. Ke2 h6 13. Nf3 0-0-0 14. Rd1 Rhe8+ 15. Kf1 Ng4 16. Rd2 Nxf2 17. b4 Be3 18. Rxf2 Bd3+ 19. Kg1 Bxc1 20. Nbd2 Ba3 21. Re1 Bxb4 22. Ne5 Bxc4 23. Rb1 Bxd5 24. Rxb4 Rxe5 25. a4 Re1+ 26. Rf1 Rxf1+ 27. Nxf1 c5 28. Rg4 g5 29. Ne3 Be6 30. Re4 Rd4 31. Re5 b6 32. a5 Kd7 33. axb6 axb6 34. Nc2 Rd1+ 35. Kf2 Rd2+ 36. Re2 Rxe2+ 37. Kxe2 b5 38. Ne3 f5 39. g3 Kd6 40. h4 Ke5 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.08"]
[Round "6"]
[White "O'Connor, Jonathan"]
[Black "Carroll, Peter"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "2165"]
[BlackElo "2062"]
[PlyCount "90"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Rc1 Ng6 14. c5 Nxc5 15. b4 Na6 16. Nd3 b6 17. Nb5 Rf7 18. Be1 h5 19. Nf2 Bh6 20. Rc4 Nh4 21. h3 Rg7 22. Qb3 Kh8 23. Qc3 c5 24. dxc6 Nc7 25. Nxc7 Qxc7 26. b5 a5 27. Qd3 Be6 28. Rc2 Rg6 29. Nd1 Rag8 30. Nc3 Nxg2 31. Kxg2 g4 32. hxg4 hxg4 33. Rh1 gxf3+ 34. Kxf3 Rg3+ 35. Bxg3 Rxg3+ 36. Kf2 Qg7 37. Qxd6 Rg2+ 38. Ke1 Qg3+ 39. Kd1 Rg1+ 40. Bf1 Rxh1 41. Kc1 Rxf1+ 42. Kb2 Qh3 43. Nd5 Bxd5 44. Qxd5 Bf8 45. Rc3 Ba3+ 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.07"]
[Round "5"]
[White "Murphy, Conor"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2315"]
[BlackElo "2165"]
[PlyCount "65"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 c5 6. d5 Qe7 7. Be2 exd5 8. exd5 0-0 9. Nf3 Qe4 10. Qd2 Ba6 11. Nxe4 Nxe4 12. Qxb4 cxb4 13. Nd4 b5 14. f3 Nf6 15. cxb5 Bb7 16. d6 a6 17. Kf2 axb5 18. Bd2 Nd5 19. Rhc1 Nc6 20. Nxb5 Ra5 21. b3 Re8 22. a4 h6 23. Bc4 Ne5 24. Bf1 f5 25. Re1 Kf8 26. Rac1 f4 27. Nc7 Nxc7 28. Bxb4 Rxa4 29. bxa4 Nd5 30. Bc3 Ne3 31. Bd4 Nf7 32. Bxe3 fxe3+ 33. Rxe3 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.06"]
[Round "4"]
[White "O'Connor, Jonathan"]
[Black "O'Donnell, Conor"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2165"]
[BlackElo "2311"]
[PlyCount "64"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 b6 8. Re1 Bb7 9. e5 Nd7 10. h4 Qc7 11. Qe2 h6 12. Nf1 g5 13. hxg5 hxg5 14. N1h2 0-0-0 15. Ng4 Rh5 16. c3 Rdh8 17. a3 Qd8 18. b4 Qg8 19. b5 Na5 20. d4 Nb3 21. Be3 Nxa1 22. Rxa1 f5 23. exf6 Nxf6 24. Nxf6 Bxf6 25. g4 cxd4 26. Bxd4 R5h6 27. Ne5 Qh7 28. f3 Rh1+ 29. Bxh1 Qxh1+ 30. Kf2 Rh2+ 31. Kg3 Rg2+ 32. Qxg2 Qh4# 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.05"]
[Round "3"]
[White "Baburin, Alexander"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2432"]
[BlackElo "2165"]
[PlyCount "41"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 c5 6. d5 Qe7 7. Nge2 exd5 8. exd5 d6 9. Bd2 0-0 10. 0-0-0 Nbd7 11. Ng3 Ne5 12. Re1 Qd8 13. f4 Ng6 14. h4 h6 15. h5 Ne7 16. Bd3 a6 17. Nce4 Nxe4 18. Bxe4 Bxd2+ 19. Qxd2 f5 20. Bd3 b5 21. Nf1 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.04"]
[Round "2"]
[White "O'Connor, Jonathan"]
[Black "Li, Henry"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2165"]
[BlackElo "2287"]
[PlyCount "65"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 a6 8. Re1 b5 9. e5 Nd7 10. h4 Qc7 11. Qe2 Bb7 12. Nf1 Rc8 13. c3 b4 14. N1h2 a5 15. Bf4 Ba6 16. c4 Nb6 17. b3 Rd8 18. Rad1 a4 19. Ng4 Bb7 20. Qb2 Nd4 21. Nxd4 cxd4 22. Bg5 Bxg5 23. hxg5 a3 24. Qd2 Qe7 25. Qf4 Qc7 26. c5 Qxc5 27. Rc1 Qa5 28. Rc7 Rd7 29. Rec1 Rf8 30. R7c5 Qa7 31. Qxd4 Nc8 32. Rxc8+ Bxc8 33. Rxc8+ 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2019.08.03"]
[Round "1"]
[White "Byrne, Alex"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "C34"]
[WhiteElo "1963"]
[BlackElo "2165"]
[PlyCount "52"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. Nf3 exf4 5. e5 Nh5 6. d4 Bg4 7. Be2 g6 8. 0-0 Bg7 9. Ne1 Bxe2 10. Nxe2 0-0 11. Nd3 c6 12. Nexf4 Nxf4 13. Bxf4 Na6 14. Qg4 Nc7 15. Nc5 Qc8 16. Qxc8 Raxc8 17. Nxb7 Ne6 18. Rad1 Rb8 19. Na5 Rxb2 20. c4 Rc8 21. a3 Bf8 22. Bc1 Rc2 23. Nxc6 Rxc4 24. Nxa7 Rb8 25. a4 Rxa4 26. Nc6 Rc8 0-1

[Event "Bunratty Masters 26th"]
[Site "Bunratty"]
[Date "2019.02.24"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "Fox, Anthony"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "2208"]
[BlackElo "2041"]
[PlyCount "85"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 Nc6 6. Bb5 Nxc3 7. dxc3 Qh4+ 8. g3 Qe4+ 9. Qxe4 dxe4 10. Bxc6+ bxc6 11. Be3 Be7 12. 0-0-0 0-0 13. Ne2 a5 14. Nd4 Bd7 15. Rhf1 g6 16. Bh6 Rfe8 17. Rde1 c5 18. Nb3 Bc6 19. Nd2 Bf8 20. Bf4 Re6 21. Nxe4 Bxe4 22. Rxe4 f6 23. Rfe1 g5 24. Bd2 Rae8 25. R4e3 fxe5 26. Re4 h6 27. Be3 Bd6 28. b3 c4 29. Rxc4 e4 30. Kd2 Rd8 31. Ke2 Kh7 32. Rf1 Kg6 33. Rc6 Rde8 34. Bd4 h5 35. Ra6 e3 36. Rxa5 g4 37. Raf5 h4 38. gxh4 Bxh2 39. Rg5+ Kh6 40. Rxg4 Rg6 41. Rxg6+ Kxg6 42. Bxe3 Kh5 43. Kd3 1-0

[Event "Bunratty Masters 26th"]
[Site "Bunratty"]
[Date "2019.02.24"]
[Round "6"]
[White "Vicas, Marijus"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2212"]
[BlackElo "2208"]
[PlyCount "81"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. a4 b4 12. d3 Qc7 13. Nbd2 Rb8 14. Nf1 Be6 15. c4 Nc6 16. b3 Ne8 17. Ne3 Qd7 18. Kh2 g6 19. g4 Ng7 20. Rg1 Kh8 21. Qf1 f6 22. Qg2 Rg8 23. Nd5 Rbf8 24. Bh6 Bd8 25. Qg3 f5 26. Ng5 fxe4 27. dxe4 Nd4 28. Bd1 Bxd5 29. exd5 Bxg5 30. Bxg5 Qf7 31. Ra2 Qd7 32. f4 exf4 33. Bxf4 Ne8 34. Rf2 Rf7 35. Rgf1 Rgf8 36. Bh6 Rxf2+ 37. Rxf2 Rxf2+ 38. Qxf2 Qe7 39. Bg5 Qe5+ 40. Bf4 Qe7 41. Qe3 1-0

[Event "Bunratty Masters 26th"]
[Site "Bunratty"]
[Date "2019.02.23"]
[Round "3"]
[White "Astaneh Lopez, Alex"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2427"]
[BlackElo "2208"]
[PlyCount "75"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. g3 d5 4. Bg2 Be7 5. c4 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Nbd2 Bc6 10. Nxc4 Be4 11. Qd1 Nbd7 12. Ncd2 Bd5 13. Re1 Ne4 14. Nxe4 Bxe4 15. b3 c5 16. Be3 Bf6 17. Rc1 cxd4 18. Nxd4 Bxg2 19. Kxg2 Rc8 20. Qd3 Be7 21. Rxc8 Qxc8 22. Rc1 Nc5 23. Qc2 Qd8 24. f3 Qd5 25. Bf2 b5 26. axb5 axb5 27. b4 Na6 28. Nc6 Bf6 29. Rd1 Qh5 30. e4 Nb8 31. g4 Qh6 32. Bg3 Nxc6 33. Qxc6 Qe3 34. Qxb5 Be7 35. Rd7 Bd8 36. Bf2 Qb3 37. Bc5 Re8 38. Rd2 1-0

[Event "Bunratty Masters 26th"]
[Site "Bunratty"]
[Date "2019.02.23"]
[Round "2"]
[White "O'Neill, Paul Sean"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2012"]
[BlackElo "2208"]
[PlyCount "72"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Nbd7 8. Bg5 Be7 9. e3 a6 10. Rd1 Qa5 11. a3 c5 12. Be2 Bb7 13. 0-0 0-0 14. Ne5 Rfe8 15. f4 Qc7 16. Nxf7 c4 17. Qc2 Kxf7 18. f5 e5 19. dxe5 Nxe5 20. Bxf6 Bxf6 21. Bh5+ Kf8 22. Bxe8 Rxe8 23. Nd5 Bxd5 24. Rxd5 Ng4 25. g3 Nxe3 26. Qd2 Nxd5 27. Qxd5 Qe5 28. Qc6 Qe4 29. Qd6+ Kg8 30. Rf4 Qb1+ 31. Kg2 Qxb2+ 32. Kh3 Qe5 33. Qxa6 c3 34. Qc6 Rd8 35. Kg4 Qd5 36. Qc7 Be5 0-1

[Event "Bunratty Masters 26th"]
[Site "Bunratty"]
[Date "2019.02.22"]
[Round "1"]
[White "O'Connor, Jonathan"]
[Black "Turner, Matthew"]
[Result "0-1"]
[ECO "C29"]
[WhiteElo "2208"]
[BlackElo "2519"]
[PlyCount "122"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 Nxc3 6. bxc3 Qh4+ 7. g3 Qe4+ 8. Qxe4 dxe4 9. Bg2 Nc6 10. Bxe4 Nxe5 11. Rb1 Bd6 12. Nf3 Nd7 13. d4 Nb6 14. 0-0 0-0 15. Bd3 Bg4 16. Ng5 h6 17. Ne4 Be6 18. a4 Bd5 19. a5 Nc4 20. Rb5 Bxe4 21. Bxe4 Rab8 22. Bd3 c6 23. Rbf5 b5 24. axb6 Nxb6 25. Ra5 Rb7 26. Ba3 Bxa3 27. Rxa3 Re8 28. Rfa1 Ree7 29. Kf2 Nd5 30. Re1 Rxe1 31. Kxe1 g6 32. Ra6 Rc7 33. Kd2 Kg7 34. Be4 Nb6 35. Kd3 c5 36. Ra5 f5 37. Bg2 Nd7 38. Ra6 c4+ 39. Kd2 Nf6 40. Ra4 g5 41. Ra5 Kg6 42. Ra6 f4 43. gxf4 gxf4 44. Ra5 Re7 45. Ra6 Kf5 46. Ra5+ Kg6 47. Ra6 Kg7 48. Rc6 Ng4 49. h4 Nh2 50. Ra6 f3 51. Bh3 f2 52. Ra1 Nf3+ 53. Kc1 Re1+ 54. Kb2 Rxa1 55. Kxa1 Nd2 56. Kb2 f1Q 57. Bxf1 Nxf1 58. Ka3 Kf6 59. Kb4 Ne3 60. Kc5 Ke7 61. d5 a5 0-1

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.12"]
[Round "5.8"]
[White "Joshi, Rohan1111"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E71"]
[BlackElo "2242"]
[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. e4 d6 5. h3 0-0 6. g4 e5 7. g5 Nfd7 8. d5 a5 9. h4 f5 10. h5 Rf7 11. hxg6 hxg6 12. exf5 Rxf5 13. Bh3 Nc5 14. Be3 Nba6 15. a3 Bd7 16. Qc2 e4 17. Nxe4 Nxe4 18. Qxe4 Nc5 19. Qh4 Qe7 20. Bf1 Bxb2 21. Rc1 Ba4 22. Be2 Raf8 23. Nh3 Bxc1 24. Nf4 Bb2 25. Nxg6 Qg7 26. Nxf8 Kxf8 27. g6 Qc3+ 28. Bd2 Qf6 29. g7+ Kf7 30. Qh8 Qxg7 31. Rh7 Be8 32. Rxg7+ Bxg7 33. Qh3 Bd7 34. Qh7 Kf8 35. Bh6 Bxh6 36. Qxh6+ Kg8 37. Bh5 Nd3+ 38. Kd2 Ne5 39. f4 1-0

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.12"]
[Round "4.13"]
[White "O'Connor, Jonathan"]
[Black "Gallagher, Matthew"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2242"]
[BlackElo "1594"]
[PlyCount "93"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. 0-0 Nc6 7. c3 cxd4 8. cxd4 Bb4 9. a3 Ba5 10. b4 Bc7 11. Bb2 Nge7 12. Nbd2 0-0 13. Nh4 Bb6 14. Nxf5 Nxf5 15. Nf3 Rc8 16. Qd2 Qd7 17. Bc3 Rc7 18. b5 Nce7 19. a4 Rcc8 20. a5 Bc7 21. Rac1 b6 22. a6 Bb8 23. g4 Nh6 24. h3 Kh8 25. Bb4 Nhg8 26. Nh2 Rxc1 27. Rxc1 Rc8 28. f4 Rxc1+ 29. Qxc1 Qc8 30. Qd2 Qc7 31. Nf3 Nh6 32. Kg2 Nhg8 33. Bd3 Qd7 34. Ng5 Qe8 35. Qc2 h6 36. Nf3 Qc8 37. f5 Qxc2+ 38. Bxc2 g6 39. f6 Nc8 40. Bf8 Kh7 41. h4 Bc7 42. h5 Bd8 43. Bg7 Nd6 44. exd6 Nxf6 45. Bxf6 Bxf6 46. Ne5 Kg7 47. Nc6 1-0

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.11"]
[Round "3.4"]
[White "Murphy, Sean1111"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "1854"]
[BlackElo "2242"]
[PlyCount "49"]
[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 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 0-0 8. e3 Re8 9. Nf3 c5 10. dxc5 g5 11. Bg3 Ne4 12. Bd3 Bf5 13. 0-0 Bxc3 14. bxc3 Nd7 15. Nd4 Nxg3 16. fxg3 Bxd3 17. Qxd3 Ne5 18. Qe2 Rc8 19. Qh5 Kh7 20. Rf5 Rc7 21. Raf1 Kg7 22. Nb5 Rd7 23. Nd6 Ree7 24. Rf6 Ng6 25. Nxf7 1-0

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.11"]
[Round "2.2"]
[White "O'Connor, Jonathan"]
[Black "Smith, Chris A"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2242"]
[BlackElo "1867"]
[PlyCount "47"]
[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. c4 c6 3. Nf3 Nf6 4. e3 g6 5. b3 Bg7 6. Be2 0-0 7. 0-0 Nbd7 8. Bb2 Ne4 9. cxd5 cxd5 10. Nc3 Ndf6 11. Nd2 Nxc3 12. Bxc3 Bd7 13. b4 Ne4 14. Nxe4 dxe4 15. b5 Be6 16. Qd2 Rc8 17. Rfc1 Qd7 18. Bb4 Bd5 19. a4 b6 20. Ra3 Rxc1+ 21. Qxc1 Rc8 22. Rc3 Rxc3 23. Qxc3 e6 24. h3 1/2-1/2

[Event "IRL-ch Weekender op"]
[Site "Dublin"]
[Date "2018.08.10"]
[Round "1.3"]
[White "Goss, Alex"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "1762"]
[BlackElo "2242"]
[PlyCount "54"]
[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 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Nd2 Nbd7 11. Nc4 Nb6 12. Nxb6 Qxb6 13. a4 Bd7 14. a5 Qc7 15. e4 Rab8 16. Re1 b5 17. axb6 axb6 18. Bf4 Nh5 19. Be3 b5 20. Qd2 b4 21. Ne2 Bb5 22. Rec1 Nf6 23. Nd4 Bd7 24. Qc2 Ng4 25. Ra6 Nxe3 26. fxe3 Qb7 27. Rxd6 cxd4 0-1

[Event "Bunratty Masters op 25th"]
[Site "Bunratty"]
[Date "2018.02.24"]
[Round "2"]
[White "O'Connor, Jonathan"]
[Black "Mulligan, Scott"]
[Result "1/2-1/2"]
[ECO "C19"]
[WhiteElo "2234"]
[BlackElo "1984"]
[PlyCount "126"]
[EventDate "2018.02.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Bd2 Qa4 9. h4 Nbc6 10. h5 h6 11. Rh4 c4 12. Be2 Bd7 13. Rf4 g5 14. hxg6 fxg6 15. Rf6 0-0-0 16. Nh2 g5 17. Bh5 Ng8 18. Rf3 Be8 19. Bg4 Kd7 20. Rh3 Bg6 21. Bxg5 Rf8 22. Ra2 Qb5 23. Kf1 Rh7 24. a4 Qb6 25. Bc1 Rhf7 26. Rf3 Qa5 27. Bd2 Qd8 28. Kg1 h5 29. Rxf7+ Bxf7 30. Bxh5 Qh4 31. Bxf7 Rxf7 32. g3 Qh8 33. Qg4 Nge7 34. Bg5 Rh7 35. Bf6 Qf8 36. Qg5 Nf5 37. Nf3 Qf7 38. g4 Nfe7 39. Kg2 Ng8 40. Ra1 Rh6 41. Rh1 Rg6 42. Qh4 Nxf6 43. exf6 Rxf6 44. Ng5 Qg6 45. Qh7+ Ne7 46. Qxg6 Rxg6 47. f4 a6 48. Kg3 Nc8 49. Rh7+ Kc6 50. Nf3 Rg8 51. Ne5+ Kb6 52. a5+ Kxa5 53. Rxb7 Nd6 54. Re7 Ne4+ 55. Kf3 Nxc3 56. Rxe6 Nb5 57. c3 Nxc3 58. Nc6+ Kb5 59. g5 Ne4 60. Ne7 Rxg5 61. Nxd5 Nd2+ 62. Ke2 Rxd5 63. Kxd2 Rxd4+ 1/2-1/2

[Event "Bunratty Masters op 25th"]
[Site "Bunratty"]
[Date "2018.02.23"]
[Round "1"]
[White "Hebden, Mark"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2454"]
[BlackElo "2234"]
[PlyCount "115"]
[EventDate "2018.02.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c4 d5 5. cxd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. dxc5 Bxc5 9. 0-0 0-0 10. Nc3 Nb6 11. b3 Qe7 12. Bb2 Rad8 13. Nb5 a6 14. Nbd4 g6 15. Rc1 Ba3 16. Bxa3 Qxa3 17. Rc7 Rd7 18. Rc2 Qd6 19. Ne2 Rc8 20. Rxc8+ Nxc8 21. Qd4 Ne7 22. Rc1 Nc6 23. Qc5 Qxc5 24. Rxc5 Ne4 25. Rc1 f6 26. Nfd4 Nxd4 27. Nxd4 Kf7 28. Kf1 h5 29. Ke2 Ke7 30. f3 Nd6 31. Kd2 Nf7 32. Ne2 Ne5 33. Rc8 g5 34. Ng3 h4 35. Nf5+ Ke6 36. Nd4+ Kf7 37. h3 Ke7 38. Kc3 Kd6 39. Re8 Rc7+ 40. Kd2 Rf7 41. a4 Kd7 42. Rg8 Nc6 43. Nf5 Ke6 44. Nh6 Rh7 45. Ng4 Rf7 46. f4 gxf4 47. exf4 Nd4 48. b4 Nf5 49. Kd3 Rg7 50. Re8+ Re7 51. Rf8 Rf7 52. Rc8 Re7 53. Rc5 Rd7 54. Rc2 Ng3 55. b5 axb5 56. axb5 Nf5 57. Rc8 Rg7 58. b6 1-0

[Event "Bunratty Masters op 24th"]
[Site "Bunratty"]
[Date "2017.02.19"]
[Round "6"]
[White "Gelip, Ioana"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2202"]
[BlackElo "2126"]
[PlyCount "101"]
[EventDate "2017.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Nc6 6. Nb5 Bxd2+ 7. Qxd2 cxd4 8. Nd6+ Kf8 9. f4 Qa5 10. Qxa5 Nxa5 11. Nf3 Nc6 12. 0-0-0 Nge7 13. Ng5 Nd8 14. Rxd4 h6 15. Nf3 Bd7 16. Be2 Nc8 17. Nxc8 Rxc8 18. Rb4 Rc7 19. Rd1 Ke7 20. Nd4 Nc6 21. Nxc6+ Bxc6 22. Rd3 Rb8 23. Rg3 g6 24. Rh3 h5 25. Ra3 Ra8 26. Rc3 Rac8 27. Kd2 d4 28. Rxd4 Bxg2 29. Rxc7+ Rxc7 30. h4 f6 31. exf6+ Kxf6 32. c4 Rc6 33. Bd3 e5 34. fxe5+ Kxe5 35. Rd7 Rb6 36. Kc3 Kf6 37. Rd8 Re6 38. Kd4 Bc6 39. b4 g5 40. Rh8 Be8 41. Rh6+ Ke7 42. hxg5 Rxh6 43. gxh6 Kf6 44. h7 Kg7 45. Ke5 h4 46. Be4 Bc6 47. Bxc6 bxc6 48. Kf4 Kxh7 49. c5 Kg6 50. b5 Kf6 51. b6 1-0

[Event "Bunratty Masters op 24th"]
[Site "Bunratty"]
[Date "2017.02.19"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "Cafolla, Peter"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2126"]
[BlackElo "1976"]
[PlyCount "53"]
[EventDate "2017.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 a6 6. Bc4 e6 7. d3 Ne7 8. c3 d5 9. exd5 exd5 10. Bb3 dxc3 11. Nxc3 Be6 12. Re1 Qd7 13. Bf4 Rc8 14. d4 f6 15. Na4 Rc6 16. Nc5 Qc8 17. Nxe6 Rxe6 18. Rc1 Rxe1+ 19. Qxe1 Qf5 20. Bd6 Qe4 21. Qxe4 dxe4 22. Rc7 b5 23. Be6 g6 24. Rb7 Nc6 25. Bd7+ Kd8 26. Bxc6 Bxd6 27. Rd7+ 1-0

[Event "Bunratty Masters op 24th"]
[Site "Bunratty"]
[Date "2017.02.18"]
[Round "3"]
[White "O'Connor, Jonathan"]
[Black "Van Empel, Fred"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2126"]
[BlackElo "2140"]
[PlyCount "69"]
[EventDate "2017.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bc5 6. Qe2 Nd4 7. Nxd4 Bxd4 8. g3 Qf6 9. c3 Bb6 10. Bg2 d6 11. 0-0 Ne7 12. Na3 Bd7 13. Nc4 Bb5 14. Nxd6+ Qxd6 15. Qxb5+ c6 16. Qe2 0-0 17. Rd1 Qe6 18. Be3 f5 19. f4 fxe4 20. Bxb6 axb6 21. Qxe4 Qxe4 22. Bxe4 Rfd8 23. a3 g6 24. Kf2 Kf7 25. Kf3 Ng8 26. Bc2 Nf6 27. Rxd8 Rxd8 28. Rd1 Re8 29. Bb3+ Kg7 30. h3 Re7 31. g4 h6 32. Rd4 Nd7 33. Bc2 Nc5 34. Rd6 Ne6 35. Bxg6 1-0

[Event "Bunratty Masters op 24th"]
[Site "Bunratty"]
[Date "2017.02.18"]
[Round "2"]
[White "Sudolski, Sylwester"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "C20"]
[WhiteElo "2027"]
[BlackElo "2126"]
[PlyCount "90"]
[EventDate "2017.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 e5 3. Qh5 d6 4. Bc4 g6 5. Qf3 Nf6 6. d3 Bg7 7. Bg5 0-0 8. Nc3 h6 9. Bh4 c6 10. h3 Be6 11. g4 b5 12. Bb3 a5 13. g5 Nh5 14. Bxe6 fxe6 15. Qg4 Nf4 16. gxh6 Qxh4 17. hxg7 Kxg7 18. Qxh4 Ng2+ 19. Kd2 Nxh4 20. Rf1 Ra7 21. Nd1 Raf7 22. Rh2 Nd7 23. Ne3 Nf6 24. Ke1 Nh5 25. Ng2 Nf3+ 26. Nxf3 Rxf3 27. Ne3 Nf4 28. h4 Rh3 29. Rfh1 Rxh2 30. Rxh2 Rh8 31. Rh1 Kf7 32. Kf1 g5 33. Ng2 Ng6 34. h5 Nh4 35. Nxh4 Rxh5 36. Kg2 gxh4 37. Kh3 Kg6 38. Rg1+ Rg5 39. Rg4 Rxg4 40. Kxg4 h3 41. Kxh3 Kh5 42. c3 c5 43. b3 d5 44. c4 bxc4 45. bxc4 d4 1/2-1/2

[Event "Bunratty Masters op 24th"]
[Site "Bunratty"]
[Date "2017.02.18"]
[Round "4"]
[White "Yin, Stanley"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2198"]
[BlackElo "2126"]
[PlyCount "87"]
[EventDate "2017.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c3 Nf6 4. Nf3 0-0 5. 0-0 d5 6. d3 c5 7. h3 Nc6 8. Qa4 d4 9. cxd4 cxd4 10. Na3 e5 11. Bg5 h6 12. Bxf6 Qxf6 13. b4 Bd7 14. Nd2 Rfb8 15. Ne4 Qe7 16. Nc5 Be8 17. Rfc1 b5 18. Nxb5 a5 19. Nc7 Qxc7 20. b5 Nd8 21. Na6 Qb6 22. Nc7 Nb7 23. Nxa8 Rxa8 24. Bc6 Bf8 25. Bxe8 Rxe8 26. Rc6 Nc5 27. Qc4 Qa7 28. Rxg6+ Kh7 29. Rc6 Ne6 30. Rc1 Qd7 31. Ra6 Bb4 32. b6 Qb7 33. Qb5 Qb8 34. Ra7 Kg6 35. Rc6 Rd8 36. Qa6 Rf8 37. b7 Kg7 38. Ra8 Nc5 39. Rxb8 Rxb8 40. Rxc5 Bxc5 41. Qxa5 Bd6 42. Qd5 Bc7 43. Qc6 Bd8 44. Qc8 1-0

[Event "Bunratty Masters op 24th"]
[Site "Bunratty"]
[Date "2017.02.17"]
[Round "1"]
[White "O'Connor, Jonathan"]
[Black "Wells, Peter K"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2126"]
[BlackElo "2428"]
[PlyCount "44"]
[EventDate "2017.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. Bg5 h6 6. Bh4 dxc4 7. e4 b5 8. e5 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Qa5 12. exf6 b4 13. Ne4 Ba6 14. Qd2 0-0-0 15. Bg2 c3 16. bxc3 Ne5 17. dxe5 Rxd2 18. Bxd2 bxc3 19. Bxc3 Bb4 20. Bxb4 Qxb4+ 21. Nd2 Qc3 22. Rd1 Rh5 0-1

[Event "Bunratty Masters op 23rd"]
[Site "Bunratty"]
[Date "2016.02.21"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "Fox, Anthony"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2182"]
[BlackElo "2022"]
[PlyCount "27"]
[EventDate "2016.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 13. Ng5 Rf8 14. Nf3 1/2-1/2

[Event "Bunratty Masters op 23rd"]
[Site "Bunratty"]
[Date "2016.02.21"]
[Round "6"]
[White "O'Connor, Jonathan"]
[Black "MacElligott, Gerard"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2182"]
[BlackElo "2082"]
[PlyCount "89"]
[EventDate "2016.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. Nc3 0-0 7. e5 Ne8 8. a4 Nc7 9. Bxc6 dxc6 10. h3 f5 11. d3 Ne6 12. Ne2 h6 13. h4 b6 14. Nf4 Nxf4 15. Bxf4 Be6 16. Qd2 Kh7 17. c4 Qd7 18. Qe3 a5 19. b3 Rad8 20. Rad1 Qc8 21. Rd2 Rd7 22. Red1 Rfd8 23. h5 gxh5 24. Nh4 Rd4 25. Nf3 R4d7 26. d4 cxd4 27. Nxd4 c5 28. Nxe6 Rxd2 29. Rxd2 Rxd2 30. Qxd2 Qxe6 31. Qd5 Qc8 32. e6 Bf6 33. Qd7 Qxd7 34. exd7 e5 35. Bxe5 Bd8 36. Kh2 h4 37. g3 hxg3+ 38. Bxg3 Kg6 39. Kh3 Kf7 40. Bh4 Bxh4 41. Kxh4 Ke7 42. f4 Kxd7 43. Kh5 Ke7 44. Kxh6 Kf6 45. Kh5 1-0

[Event "Bunratty Masters op 23rd"]
[Site "Bunratty"]
[Date "2016.02.20"]
[Round "3"]
[White "Cafolla, Peter"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1990"]
[BlackElo "2182"]
[PlyCount "44"]
[EventDate "2016.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Nbd2 Bd7 8. Be2 Na5 9. 0-0 Ne7 10. Ng5 h6 11. Nh3 0-0-0 12. Qe1 Ba4 13. Bh5 g6 14. Bd1 Qc6 15. f4 Bxd1 16. Qxd1 Nf5 17. Nf3 Nb3 18. Rb1 h5 19. Nhg5 Qe8 20. Qe2 Be7 21. Be3 Qg8 22. Bf2 Qg7 1/2-1/2

[Event "Bunratty Masters op 23rd"]
[Site "Bunratty"]
[Date "2016.02.20"]
[Round "2"]
[White "O'Connor, Jonathan"]
[Black "Li, Henry"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2182"]
[BlackElo "1929"]
[PlyCount "107"]
[EventDate "2016.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 a5 8. g4 Na6 9. Be3 Kh8 10. Be2 Ng8 11. Qc2 f5 12. g5 b6 13. 0-0-0 a4 14. a3 Nc5 15. Nd2 Nb3+ 16. Nxb3 axb3 17. Qxb3 f4 18. Bd2 Qxg5 19. Rdg1 Qh4 20. Nd1 Nf6 21. Qf3 Bd7 22. Nc3 Rf7 23. Kb1 Bh6 24. Be1 Raf8 25. Qd3 f3 26. Bxf3 Nxd5 27. Bg4 Nxc3+ 28. Qxc3 Qf6 29. Be2 Qf4 30. f3 Qe3 31. Qxe3 Bxe3 32. Rg2 Be6 33. h4 Kg7 34. Kc2 c6 35. Bc3 Bf4 36. Rd1 Rd8 37. Bb4 Rfd7 38. Be1 Kf6 39. Bf2 Rb8 40. Rgg1 b5 41. cxb5 cxb5 42. b3 b4 43. a4 Rc8+ 44. Kb2 Rc3 45. Rd3 Rdc7 46. Rxc3 Rxc3 47. Bd1 Rd3 48. Bb6 Be3 49. Bxe3 Rxe3 50. Rg2 d5 51. exd5 Bxd5 52. Rg4 Bxf3 53. Bxf3 Rxf3 54. Rxb4 1-0

[Event "Bunratty Masters op 23rd"]
[Site "Bunratty"]
[Date "2016.02.20"]
[Round "4"]
[White "O'Donnell, Conor"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2303"]
[BlackElo "2182"]
[PlyCount "87"]
[EventDate "2016.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 a6 8. Bf4 Nd7 9. Qd2 e5 10. dxe5 Ndxe5 11. Nxe5 Nxe5 12. b3 Rb8 13. Rfd1 Be6 14. Rac1 Qe7 15. Bg5 f6 16. Be3 Nf7 17. f4 Rfe8 18. Ba7 Ra8 19. Bf2 c6 20. Bb6 f5 21. Kf2 Rac8 22. e3 Bf6 23. Re1 Qf8 24. e4 Qg7 25. exf5 gxf5 26. Bh3 Bd7 27. Ne2 c5 28. Qd3 Re4 29. Bg2 Bc6 30. Ba5 Rce8 31. Bd2 Qg4 32. Nc3 Bd4+ 33. Kf1 Qh5 34. Nxe4 fxe4 35. Qe2 Qxh2 36. Qg4+ Kh8 37. Be3 Rg8 38. Qh4 Qxh4 39. gxh4 Bf6 40. h5 Bh4 41. Re2 Rg3 42. Bd2 Rxg2 43. Rxg2 e3 44. Bc3+ 1-0

[Event "Bunratty Masters op 23rd"]
[Site "Bunratty"]
[Date "2016.02.19"]
[Round "1"]
[White "Jones, Gawain C B"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2629"]
[BlackElo "2182"]
[PlyCount "47"]
[EventDate "2016.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e6 5. Bg2 d5 6. cxd5 exd5 7. d4 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. a3 Re8 11. b4 Bb6 12. Bb2 h6 13. Na4 Bc7 14. Rc1 a6 15. Nc5 Ne4 16. e3 Bb6 17. Nxa6 Rxa6 18. b5 Bxe3 19. fxe3 Rb6 20. a4 Bg4 21. h3 Bxf3 22. Qxf3 Rf8 23. Qg4 Ng5 24. Bxg7 1-0

[Event "Bunratty Masters op 22nd"]
[Site "Bunratty"]
[Date "2015.02.22"]
[Round "5"]
[White "O'Connor, Jonathan"]
[Black "Thee, Bernd"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2147"]
[BlackElo "1994"]
[PlyCount "45"]
[EventDate "2015.02.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qxd4 Nc6 6. Qd1 exd5 7. Qxd5 Bd7 8. Nf3 Nf6 9. Qd1 Bc5 10. e3 Qe7 11. Be2 0-0-0 12. 0-0 g5 13. b4 Bxb4 14. Bb2 g4 15. Nd4 h5 16. Nxc6 Bxc6 17. Qc2 Kb8 18. Rfd1 h4 19. Qf5 Rhg8 20. Nb5 Rxd1+ 21. Rxd1 Ne8 22. Qf4+ Ka8 23. Qxb4 1-0

[Event "Bunratty Masters op 22nd"]
[Site "Bunratty"]
[Date "2015.02.22"]
[Round "6"]
[White "Pahor, Milos"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2068"]
[BlackElo "2147"]
[PlyCount "56"]
[EventDate "2015.02.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 c5 4. c3 b6 5. Nbd2 Bb7 6. e3 Bg7 7. h3 0-0 8. a4 d6 9. Bb5 a6 10. Be2 Nbd7 11. 0-0 Re8 12. Bh2 Qc7 13. Qb1 Qc6 14. b4 Ne4 15. b5 axb5 16. Bxb5 Nxd2 17. Bxc6 Nxb1 18. Bxb7 Ra7 19. Rfxb1 Rxb7 20. Nd2 Ra8 21. Nc4 Rba7 22. Nxb6 Nxb6 23. Rxb6 Rxa4 24. Rxa4 Rxa4 25. Rb8+ Bf8 26. Rb1 Rc4 27. Rb3 Bh6 28. Kf1 cxd4 1/2-1/2

[Event "Bunratty Masters op 22nd"]
[Site "Bunratty"]
[Date "2015.02.21"]
[Round "4"]
[White "Bourached, Anthony"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1963"]
[BlackElo "2147"]
[PlyCount "57"]
[EventDate "2015.02.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 h6 7. Be3 e5 8. d5 a5 9. Nf3 Na6 10. Be2 Nc5 11. Qc2 Nh7 12. Qd2 Nf6 13. Qc2 Nh7 14. g4 f5 15. gxf5 gxf5 16. exf5 Bxf5 17. Qd2 Qf6 18. 0-0-0 Ne4 19. Nxe4 Bxe4 20. Rhg1 Kh8 21. Rg3 Rf7 22. Rdg1 c6 23. Nh2 Bf5 24. Ng4 Bxg4 25. Rxg4 cxd5 26. Rg6 Qf5 27. Qxd5 Ng5 28. Rxd6 Raf8 29. h4 1-0

[Event "Bunratty Masters op 22nd"]
[Site "Bunratty"]
[Date "2015.02.21"]
[Round "2"]
[White "Murray, David"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2162"]
[BlackElo "2147"]
[PlyCount "85"]
[EventDate "2015.02.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. g4 d5 3. g5 Ne4 4. f3 Nd6 5. Nc3 c6 6. e4 Be6 7. Bf4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Rb3 Qa5 11. exd5 Bxd5 12. Nxd5 Qxd5 13. Bxd6 Qxd6 14. Rxb7 e6 15. Ne2 g6 16. Nc3 Be7 17. Ne4 Qd8 18. h4 h5 19. Qf4 Nd7 20. Nd6+ Bxd6 21. Qxd6 Rc8 22. Bd3 Qe7 23. Qxe7+ Kxe7 24. Rxa7 Ra8 25. Rb7 Rxa2 26. Kd2 Rb8 27. Rxb8 Nxb8 28. Be4 Kd6 29. Rb1 Kc7 30. Bd3 Nd7 31. Re1 Nb6 32. Kc3 Nd5+ 33. Kb3 Ra7 34. c3 Rb7+ 35. Kc2 Kd6 36. Be4 Ra7 37. c4 Ne7 38. Rb1 Kc7 39. c5 Ra2+ 40. Kd3 Rh2 41. Ra1 Kb7 42. Rb1+ Kc7 43. Ra1 1/2-1/2

[Event "Bunratty Masters op 22nd"]
[Site "Bunratty"]
[Date "2015.02.21"]
[Round "3"]
[White "O'Connor, Jonathan"]
[Black "Fox, Anthony"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2147"]
[BlackElo "2036"]
[PlyCount "55"]
[EventDate "2015.02.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3 Be7 11. Nd2 e5 12. Bg3 d4 13. Nb3 Qb6 14. c5 Bxc5 15. Na4 Bb4+ 16. axb4 Qxb4+ 17. Nd2 Bg4 18. Be2 d3 19. Bxd3 Bxd1 20. Kxd1 Rfd8 21. Nc3 Qe7 22. Be2 Rac8 23. Re1 Qb4 24. Kc1 Nd4 25. exd4 exd4 26. Ndb1 dxc3 27. bxc3 Qa5 28. Bf3 1/2-1/2

[Event "Bunratty Masters op 22nd"]
[Site "Bunratty"]
[Date "2015.02.20"]
[Round "1"]
[White "O'Connor, Jonathan"]
[Black "Short, Nigel D"]
[Result "0-1"]
[ECO "E42"]
[WhiteElo "2147"]
[BlackElo "2664"]
[PlyCount "52"]
[EventDate "2015.02.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 d6 6. a3 Ba5 7. Bd2 0-0 8. g3 Nc6 9. Bg2 a6 10. 0-0 Rb8 11. Qc2 Bd7 12. Rad1 Qe7 13. b3 cxd4 14. exd4 Rfc8 15. Rfe1 Bb6 16. Qd3 h6 17. b4 Qd8 18. Bf4 e5 19. dxe5 dxe5 20. Bxc6 Bxc6 21. Qxd8+ Rxd8 22. Bxe5 Bxf2+ 23. Kf1 Bxe1 24. Bxb8 Rxb8 25. Kxe1 Ng4 26. h3 Ne3 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.13"]
[Round "9"]
[White "O'Connor, Jonathan"]
[Black "Collins, Sam E"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "2150"]
[BlackElo "2488"]
[PlyCount "64"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 Na6 7. Bd3 Bg4 8. 0-0 Nd7 9. Be3 e5 10. fxe5 c5 11. Nd5 cxd4 12. Bxd4 Nac5 13. Bc2 dxe5 14. Be3 Ne6 15. Qd2 f5 16. h3 Bxf3 17. Rxf3 f4 18. Bf2 g5 19. Rc3 Nd4 20. Re1 Rc8 21. Bd1 Rc6 22. Bh5 Nf6 23. Qd1 Kh8 24. Kh1 Nd7 25. Bg4 Nf6 26. Bh5 Ng8 27. Bg1 Rh6 28. Bg4 Ra6 29. a3 Nh6 30. Bh5 Qd7 31. Bf2 Qd8 32. b4 f3 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.12"]
[Round "8"]
[White "O'Connor, Jonathan"]
[Black "O'Cinneide, Mel"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2150"]
[BlackElo "2227"]
[PlyCount "164"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 0-0 8. Bd3 Nbc6 9. Qh5 Ng6 10. Nf3 Qc7 11. Be3 c4 12. Bxg6 fxg6 13. Qg4 Bd7 14. h4 Rf5 15. h5 gxh5 16. Rxh5 Raf8 17. Rh3 Rxf3 18. Rxf3 Rxf3 19. Qxf3 Be8 20. Qh3 Qd7 21. Kd2 Bg6 22. f3 Na5 23. a4 Qc6 24. Qh1 b6 25. Qc1 Qe8 26. Qd1 Qf7 27. Kc1 Qf5 28. Kb2 Qf7 29. Qe2 Qd7 30. g4 Qe8 31. Ra2 Nc6 32. Ka1 Na5 33. Bc1 Nb7 34. Bb2 Qf7 35. Ba3 h5 36. Bc1 Na5 37. Be3 Qd7 38. Kb2 Qe7 39. Ra1 Qd7 40. Bg5 Qe8 41. Qh2 Kh7 42. Kc1 Qf7 43. Qf4 Qc7 44. Qf8 Qf7 45. Qxf7 Bxf7 46. Kd2 hxg4 47. fxg4 Nc6 48. Rf1 Kg8 49. Kd1 Be8 50. Bc1 Ne7 51. Ba3 Ng6 52. Bd6 Bxa4 53. Bb8 Be8 54. Bxa7 b5 55. Bc5 Bf7 56. Kc1 Nh4 57. Rf2 Ng6 58. Kb2 Nf8 59. Bxf8 Kxf8 60. Ka3 Ke7 61. Kb4 Bg6 62. Kxb5 Be4 63. Kc6 Bg6 64. Kb5 Be8+ 65. Kb4 Bg6 66. Ka3 Bf7 67. Kb2 Kf8 68. Kc1 Kg8 69. Rh2 Bg6 70. Kd2 Be4 71. Ke3 Kf7 72. Kf4 Bg6 73. Kg5 Be4 74. Rf2+ Ke7 75. Kh5 Bh7 76. g5 Bf5 77. g6 Kd7 78. Kg5 Ke7 79. Rh2 Kf8 80. Rh8+ Ke7 81. Rg8 Bxc2 82. Rxg7+ Kf8 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.11"]
[Round "7"]
[White "MacElligott, Gerard"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2013"]
[BlackElo "2150"]
[PlyCount "39"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. 0-0-0 c6 11. Nxe5 Na6 12. Rd6 Nxe4 13. Nxe4 Bxe5 14. Nf6+ Bxf6 15. Bxf6 Bf5 16. Rd2 Nc5 17. f3 Re6 18. Bd4 Rae8 19. Bxc5 Rxe2 20. Bxa7 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.10"]
[Round "6"]
[White "O'Connor, Jonathan"]
[Black "Freeman, Gordon"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2150"]
[BlackElo "2077"]
[PlyCount "97"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. c4 c6 5. e3 Bf5 6. Nc3 e6 7. cxd5 cxd5 8. Bd3 Bxd3 9. Qxd3 Nc6 10. Nge2 f5 11. 0-0-0 Qa5 12. Qb5 Qxb5 13. Nxb5 Kd7 14. Kb1 h5 15. h4 Bh6 16. g3 Rhc8 17. Nc1 Ke7 18. Nd3 a6 19. Nc3 Na5 20. Ne2 Rg8 21. Rc1 Rac8 22. b3 f6 23. Rxc8 Rxc8 24. Rc1 Rxc1+ 25. Kxc1 Kd6 26. Ndf4 e5 27. Nxh5 Nc6 28. Kb1 Ke6 29. f4 e4 30. Nc3 Ne7 31. Na4 Kf7 32. Nc5 Kg6 33. g4 fxg4 34. Ng3 Nc6 35. h5+ Kf7 36. Nf5 Bf8 37. Nxb7 Bb4 38. Kc2 Kg8 39. Kd1 Kh7 40. Ke2 Ne7 41. Nxe7 Bxe7 42. Nc5 Kh6 43. Nxa6 Kxh5 44. Kf2 Ba3 45. Nc7 Kh4 46. Kg2 g3 47. Nxd5 f5 48. b4 Bc1 49. b5 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.09"]
[Round "5"]
[White "O'Rourke, Ray"]
[Black "O'Connor, Jonathan"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1997"]
[BlackElo "2150"]
[PlyCount "56"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Be2 a5 8. a4 cxd4 9. cxd4 Qb6 10. Nb3 Bb4+ 11. Kf1 0-0 12. h4 f6 13. Bd3 h6 14. Ng5 Ndxe5 15. dxe5 fxg5 16. Qe2 g4 17. Be3 Qc7 18. Qxg4 Nxe5 19. Qe2 Qd6 20. Bc2 Qa6 21. Nd4 Qxe2+ 22. Kxe2 Nc4 23. Bc1 e5 24. Nb5 Bf5 25. Bb3 Rac8 26. Na3 Kh8 27. Bxc4 dxc4 28. Nb5 Bd3+ 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.08"]
[Round "4"]
[White "O'Connor, Jonathan"]
[Black "Palmer, Bernard"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2150"]
[BlackElo "2026"]
[PlyCount "68"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Bg4 8. Bd3 Nbd7 9. Nge2 Bh5 10. 0-0 Bg6 11. Nf4 Bxd3 12. Nxd3 Bd6 13. Bf4 Bxf4 14. Nxf4 0-0 15. b4 a6 16. a4 b5 17. axb5 axb5 18. Nce2 Qc7 19. Rfc1 Rxa1 20. Rxa1 Nb6 21. Nd3 Nfd7 22. Nc5 Ra8 23. Rxa8+ Nxa8 24. Qa2 Nab6 25. Qa5 Qc8 26. Qa7 Kf8 27. h3 Ke8 28. Nf4 Qb8 29. Qa6 Qc7 30. Nxd7 Nxd7 31. Qa8+ Nb8 32. Nd3 Ke7 33. Nc5 h6 34. h4 Nd7 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.07"]
[Round "3"]
[White "Reynolds, Pat"]
[Black "O'Connor, Jonathan"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1990"]
[BlackElo "2150"]
[PlyCount "103"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 Nf6 6. e3 Be7 7. c4 0-0 8. Nc3 d5 9. Ne5 Qc7 10. cxd5 Nxd5 11. Nb5 Qc8 12. e4 Nf6 13. d5 Rd8 14. Nc3 Nbd7 15. f4 exd5 16. exd5 Bf8 17. b3 a6 18. Bb2 b5 19. Nc6 Re8 20. Na5 Bd6 21. Rc1 Qc7 22. Nxb7 Qxb7 23. Qc2 Rac8 24. Rfe1 Bf8 25. Rcd1 Rxe1+ 26. Rxe1 c4 27. Ne4 c3 28. Bc1 Nxe4 29. Bxe4 Nf6 30. Bf3 Nxd5 31. Qf5 Rd8 32. Kg2 g6 33. Qe4 Qc7 34. f5 Nb4 35. a3 Nd3 36. Rd1 Nxc1 37. Rxc1 Bxa3 38. Rc2 Bf8 39. fxg6 hxg6 40. Qe1 Bg7 41. h4 Qc5 42. Qe2 Qe5 43. Kf2 Qc5+ 44. Kf1 Qb4 45. h5 gxh5 46. Be4 Qxb3 47. Qxh5 Qc4+ 48. Re2 b4 49. Qh4 Rd4 50. Bh7+ Kh8 51. Be4+ Kg8 52. Bh7+ 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.06"]
[Round "2"]
[White "O'Connor, Jonathan"]
[Black "Murray, David"]
[Result "1/2-1/2"]
[ECO "B62"]
[WhiteElo "2150"]
[BlackElo "2141"]
[PlyCount "139"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 a6 8. Rd1 Qa5 9. Bc1 Bd7 10. Be2 Rd8 11. Nb3 Qc7 12. Qg3 e5 13. 0-0 Be6 14. Bg5 Nb4 15. Rd2 Be7 16. Rfd1 Nxa2 17. Bxf6 Nxc3 18. Qxg7 Nxe2+ 19. Rxe2 Bxf6 20. Qxf6 Rg8 21. Red2 Qe7 22. Qxe7+ Kxe7 23. f3 b6 24. Nc1 Rd7 25. Ne2 Rc8 26. Ng3 Rc5 27. Nf1 d5 28. exd5 Rcxd5 29. Rxd5 Rxd5 30. Rxd5 Bxd5 31. Kf2 a5 32. Nd2 a4 33. Ke3 Kd6 34. g3 b5 35. c3 Kc5 36. f4 f6 37. fxe5 fxe5 38. g4 h6 39. h4 Kd6 40. Ne4+ Ke7 41. g5 hxg5 42. Nxg5 Kf6 43. Nf3 Kf5 44. h5 Bf7 45. h6 Bg8 46. Nd2 Bh7 47. Ne4 Kg6 48. Nd6 Kxh6 49. Nxb5 Kg5 50. c4 Kf6 51. Kd2 Ke7 52. Kc3 Kd7 53. Kb4 Bc2 54. Kc5 Be4 55. Nc3 Bc6 56. Nd1 Bg2 57. Ne3 Bf3 58. Kb5 Bc6+ 59. Kc5 Bf3 60. Kb5 Bc6+ 61. Kb6 Ba8 62. c5 e4 63. Kb5 Bc6+ 64. Kc4 Bb7 65. Nc2 Ba6+ 66. Kd4 Bb7 67. Kc4 Ba6+ 68. Kb4 Kc6 69. Ne3 Bc8 70. Kc4 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "2014.07.05"]
[Round "1"]
[White "Killane, Jack"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1934"]
[BlackElo "2150"]
[PlyCount "11"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Bg4 3. e3 Nd7 4. Be2 Bxf3 5. Bxf3 c6 6. d3 1-0

[Event "Bunratty Masters op 21st"]
[Site "Bunratty"]
[Date "2014.02.09"]
[Round "5"]
[White "L'Ami, Alina"]
[Black "O'Connor, Jonathan"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "2398"]
[BlackElo "2142"]
[PlyCount "77"]
[EventDate "2014.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 Qb6 7. e3 Qc7 8. Be2 b6 9. b3 a6 10. Bb2 Bb7 11. 0-0 Be7 12. Rfd1 d6 13. Nd4 0-0 14. Bf3 Nbd7 15. Bxb7 Qxb7 16. Qe2 Rac8 17. e4 Rfe8 18. Re1 Bf8 19. Rad1 Qb8 20. h3 h6 21. Nf3 Red8 22. Nd4 Re8 23. Rd3 Ne5 24. Rd2 Ng6 25. Qd1 Qc7 26. Nc2 Red8 27. Ne3 Qc6 28. Nc2 Qc5 29. Na4 Qc7 30. Bxf6 gxf6 31. Ne3 b5 32. cxb5 axb5 33. Nb2 Qc5 34. Nd3 Qg5 35. Rf1 Nf4 36. h4 Nh3+ 37. Kh2 Qxh4 38. gxh3 h5 39. f4 1-0

[Event "Bunratty Masters op 21st"]
[Site "Bunratty"]
[Date "2014.02.09"]
[Round "6"]
[White "O'Connor, Jonathan"]
[Black "Moynihan, Kieran"]
[Result "1/2-1/2"]
[ECO "C85"]
[WhiteElo "2142"]
[BlackElo "2167"]
[PlyCount "50"]
[EventDate "2014.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "IRL"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. b3 0-0 9. Bb2 f6 10. Nc3 Nc5 11. Ne2 Qe8 12. Nd2 Ne6 13. f4 exf4 14. Nxf4 Nxf4 15. Rxf4 Bd6 16. Rf2 b5 17. Qf3 Qg6 18. h3 Bg3 19. Re2 Bd6 20. Nf1 Bd7 21. Kh1 c5 22. Ne3 Qg3 23. Qxg3 Bxg3 24. Rf1 Bd6 25. Nf5 a5 1/2-1/2

