[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2009.01.02"]
[Round "1"]
[White "O'Mahony, Cian"]
[Black "Gieben, Stijn"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "1651"]
[BlackElo "1771"]
[PlyCount "49"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nge2 0-0 7. 0-0 d5 8. cxd5 exd5 9. a3 Bd6 10. b4 c6 11. Bb2 Qc7 12. Ng3 Re8 13. Rc1 a6 14. Re1 a5 15. e4 dxe4 16. Ncxe4 Nxe4 17. Bxe4 Nd7 18. d5 c5 19. Bxh7+ Kxh7 20. Qh5+ Kg8 21. Bxg7 Kxg7 22. Nf5+ Kf6 23. Nxd6 Re5 24. Qxf7+ Kg5 25. Rxe5+ 1-0

[Event "Haarlem AKN op 03rd"]
[Site "Haarlem"]
[Date "1994.??.??"]
[Round "1"]
[White "De Haas, Piet"]
[Black "O'Mahony, Cian"]
[Result "1/2-1/2"]
[ECO "C83"]
[PlyCount "83"]
[EventDate "1994.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Be7 10. c3 0-0 11. Qe2 Nc5 12. Bc2 d4 13. cxd4 Nxd4 14. Nxd4 Qxd4 15. Re1 Rad8 16. Nf3 Qc4 17. b3 Qxe2 18. Rxe2 Bg4 19. Be3 Ne6 20. Ree1 Bxf3 21. gxf3 b4 22. f4 c5 23. f5 Nd4 24. Be4 f6 25. e6 Kh8 26. Rac1 g6 27. fxg6 f5 28. g7+ Kxg7 29. Bb7 Rf6 30. Bxd4 Rxd4 31. Bxa6 Rg6+ 32. Kh1 Kf6 33. Re2 Rgg4 34. f3 Rh4 35. Bc4 Rd8 36. Ra1 Rhd4 37. Kg2 Rg8+ 38. Kh1 Rgd8 39. Rae1 Rd1 40. Kg2 Rxe1 41. Rxe1 Rd2+ 42. Re2 1/2-1/2

[Event "Haarlem AKN op 03rd"]
[Site "Haarlem"]
[Date "1994.??.??"]
[Round "4"]
[White "De Saegher, Chris"]
[Black "O'Mahony, Cian"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "47"]
[EventDate "1994.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 d5 4. Nc3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 Qa5 10. 0-0 Qxa2 11. Bg5 f6 12. Be3 Rd8 13. Nd2 Qa5 14. Nb3 Qa4 15. Ra1 Qe8 16. Nxc5 b6 17. Bc4+ e6 18. Nd3 Qc6 19. Qb3 Qxe4 20. Nf4 Kf7 21. Rfe1 Qc6 22. d5 Rxd5 23. Nxd5 Bb7 24. Nf4 1-0

[Event "Haarlem AKN op 03rd"]
[Site "Haarlem"]
[Date "1994.??.??"]
[Round "6"]
[White "Gould, Paul"]
[Black "O'Mahony, Cian"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "109"]
[EventDate "1994.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. d3 Bg7 3. e4 d6 4. Nbd2 e5 5. g3 Ne7 6. Bg2 0-0 7. 0-0 c6 8. c3 Na6 9. a4 Nc7 10. Nc4 f6 11. Be3 d5 12. Ncd2 b6 13. Nb3 Ba6 14. Re1 Bc8 15. Qc1 Be6 16. Nbd2 c5 17. Nf1 d4 18. cxd4 cxd4 19. Bd2 Rc8 20. Qd1 Na6 21. b4 Rf7 22. Qb1 Bf8 23. b5 Nc5 24. Bb4 Kh8 25. N3d2 Ng8 26. Rd1 Nb7 27. Bxf8 Qxf8 28. Qb2 Rfc7 29. Rdc1 Nc5 30. Qa3 Qf7 31. Nc4 Bxc4 32. Rxc4 Nb7 33. Nd2 Qe7 34. Qxe7 Nxe7 35. Rac1 Rxc4 36. Rxc4 Rxc4 37. Nxc4 Nc5 38. Nb2 Nc8 39. Bh3 Nd6 40. Kf1 Ndb7 41. Bg4 Na5 42. Bd1 Kg7 43. Bc2 g5 44. Bd1 Kg6 45. Bg4 Nab3 46. Ke2 h5 47. Bf5+ Kh6 48. h4 gxh4 49. gxh4 Na5 50. Bh3 Nab7 51. f4 Nd8 52. fxe5 fxe5 53. Bf5 Nf7 54. Kd1 Kg7 55. Ke1 1/2-1/2

[Event "Haarlem AKN op 03rd"]
[Site "Haarlem"]
[Date "1994.??.??"]
[Round "3"]
[White "O'Mahony, Cian"]
[Black "Cameron, Pernette"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "2015"]
[PlyCount "76"]
[EventDate "1994.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 Qe7 8. e3 Bg4 9. Be2 Nbd7 10. Qc2 h6 11. a3 0-0 12. Nd2 Bxe2 13. Bxd6 Qxd6 14. Nxe2 Rfe8 15. Qf5 Ne4 16. Rd1 Qf6 17. Qxf6 Ndxf6 18. Nxe4 Nxe4 19. b4 Nd6 20. Nc3 b5 21. Rc1 a5 22. Ke2 Nc4 23. Nb1 axb4 24. axb4 Ra2+ 25. Kf3 Rb2 26. Rhe1 Ra8 27. Re2 Rxb4 28. Nd2 Rb2 29. Nxc4 Rxe2 30. Kxe2 dxc4 31. Rc2 Kf8 32. Kd2 Ke7 33. Kc3 Kd6 34. e4 Ra3+ 35. Kd2 Rd3+ 36. Ke2 Rxd4 37. Rd2 Rxd2+ 38. Kxd2 Ke5 0-1

[Event "Haarlem AKN op 03rd"]
[Site "Haarlem"]
[Date "1994.??.??"]
[Round "2"]
[White "O'Mahony, Cian"]
[Black "De Boer, Sybolt"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "45"]
[EventDate "1994.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. a4 Qxb6 7. a5 Qb7 8. Nc3 g6 9. e4 Bg7 10. h3 0-0 11. Nf3 e6 12. Bc4 exd5 13. Nxd5 Nxe4 14. Nb6 Be6 15. Ba2 Nc6 16. 0-0 Rad8 17. Bd5 Nf6 18. Bxe6 fxe6 19. Ng5 Nd4 20. Be3 Ne4 21. Bxd4 Bxd4 22. Nxe6 Bxf2+ 23. Rxf2 1-0

[Event "Haarlem AKN op 03rd"]
[Site "Haarlem"]
[Date "1994.??.??"]
[Round "5"]
[White "O'Mahony, Cian"]
[Black "Schaeffner, Joost"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "46"]
[EventDate "1994.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Qb3 c5 6. a3 Bxc3+ 7. Qxc3 b6 8. Qc2 Bb7 9. f3 cxd4 10. exd4 Nc6 11. Be3 d5 12. 0-0-0 dxc4 13. Ne2 Nd5 14. Bd2 b5 15. h4 Qb6 16. Be1 b4 17. Qa4 a5 18. Bf2 Rfc8 19. Kd2 Ne5 20. Ng3 c3+ 21. bxc3 Nxc3 22. Ke1 Nxa4 23. dxe5 Qc7 0-1

