[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.16"]
[Round "9"]
[White "O'Riordan, Kenneth"]
[Black "Egan, Colm"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "62"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[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. g3 Bg7 4. Nf3 0-0 5. Bg2 d6 6. 0-0 c5 7. Nc3 Na6 8. e4 Nc7 9. h3 a6 10. Be3 b6 11. e5 Nd7 12. exd6 exd6 13. Bf4 Ne8 14. dxc5 bxc5 15. Bxd6 Nxd6 16. Qxd6 Rb8 17. Rad1 Rxb2 18. Na4 Rb7 19. Nxc5 Rc7 20. Nxa6 Rxc4 21. Nb8 Rc7 22. Nc6 Rxc6 23. Qxc6 Qf6 24. Qxf6 Nxf6 25. Rfe1 Be6 26. a3 Ra8 27. Ng5 Rxa3 28. Rd8+ Bf8 29. Nxe6 fxe6 30. Rxe6 Ra1+ 31. Kh2 Kf7 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.15"]
[Round "8"]
[White "Spillane, Anthony"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "E49"]
[PlyCount "47"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[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. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Nge2 0-0 8. 0-0 Nc6 9. a3 Bxc3 10. bxc3 d5 11. cxd5 exd5 12. e4 cxd4 13. cxd4 dxe4 14. fxe4 Nxd4 15. Bb2 Nxe2+ 16. Qxe2 Qd7 17. Rxf6 gxf6 18. Bxf6 Qe6 19. e5 Rfd8 20. Rd1 Rd7 21. Qh5 Rxd3 22. Qg5+ Kf8 23. Qg7+ Ke8 24. Rxd3 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.14"]
[Round "7"]
[White "O'Riordan, Kenneth"]
[Black "Doyle, Tony"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "36"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 d5 5. cxd5 Nxd5 6. Nc3 Be6 7. Nf3 Nxc3 8. Bxc3 e4 9. Nd4 Nxd4 10. Bxd4 Qg5 11. Qc2 0-0-0 12. Rc1 Qa5 13. Bc3 Qb6 14. Be2 f5 15. 0-0 Rd7 16. d4 Bd5 17. Bc4 Qh6 18. Bxd5 Rxd5 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.13"]
[Round "6"]
[White "Cox, David"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "51"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[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. d4 exd4 4. c3 d3 5. Bxd3 Bc5 6. 0-0 d6 7. h3 Nf6 8. a4 a6 9. Na3 0-0 10. Nc4 h6 11. b4 Ba7 12. Be3 Bxe3 13. Nxe3 Re8 14. Qc2 Ne5 15. Nxe5 dxe5 16. Rad1 Qe7 17. Rd2 Bd7 18. Rfd1 Rad8 19. Bc4 Bc8 20. Nd5 Nxd5 21. Bxd5 c6 22. Bb3 Qg5 23. Qa2 Rxd2 24. Bxf7+ Kf8 25. Rxd2 Rd8 26. Bg6 1-0

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.12"]
[Round "5"]
[White "Keeshan, Michael"]
[Black "O'Riordan, Kenneth"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "82"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. c4 e6 4. f4 c5 5. e3 Nc6 6. Nf3 Be7 7. Be2 b6 8. 0-0 Bb7 9. d4 0-0 10. Nc3 Rc8 11. Ne5 cxd4 12. exd4 Nxd4 13. Bd3 Nc6 14. Ng4 dxc4 15. Nxf6+ Bxf6 16. Bxh7+ Kxh7 17. Qh5+ Kg8 18. Ne4 Bxb2 19. Ng5 Qxg5 20. fxg5 Bd4+ 21. Kh1 Bxa1 22. Rxa1 c3 23. Qh3 Nd4 24. Qd3 Rfd8 25. g6 fxg6 26. Qxg6 c2 27. Rc1 Rd6 28. h4 Rcd8 29. h5 e5 30. Qg5 Ne6 31. Qxe5 Rd1+ 32. Kh2 Rxc1 33. Qxe6+ Kh8 34. Qe3 Rcd1 35. h6 R1d7 36. Qg5 Rc8 37. Qc1 gxh6 38. Kg3 Kh7 39. Kh4 Rd1 40. Qf4 Rh1+ 41. Kg3 Rg8+ 0-1

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.11"]
[Round "4"]
[White "O'Riordan, Kenneth"]
[Black "Quigley, Colm"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "66"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. c4 f5 4. g3 Nf6 5. Bg2 g6 6. d3 Bg7 7. Nc3 0-0 8. e3 Nc6 9. Nge2 Be6 10. 0-0 Qd7 11. d4 Bf7 12. dxe5 dxe5 13. Qxd7 Nxd7 14. Rad1 Rfd8 15. Nd5 Rac8 16. Nec3 Nb6 17. Nxb6 axb6 18. Nd5 Bxd5 19. Bxd5+ Kh8 20. Bc3 e4 21. Bxg7+ Kxg7 22. Bxc6 bxc6 23. Rfe1 Kf6 24. Kf1 Ra8 25. Rxd8 Rxd8 26. Ke2 g5 27. Rd1 Rxd1 28. Kxd1 h5 29. Ke2 Ke5 30. Kd2 f4 31. h3 fxg3 32. fxg3 c5 33. Kc3 Kd6 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.10"]
[Round "3"]
[White "O'Briain, Padraig"]
[Black "O'Riordan, Kenneth"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "34"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 exd4 5. Nd5 Be7 6. Bf4 d6 7. Nxd4 Nxd4 8. Qxd4 Nxd5 9. exd5 Bf6 10. Qe3+ Qe7 11. Qxe7+ Bxe7 12. 0-0-0 0-0 13. Bd3 Bd7 14. h4 Rfe8 15. f3 Bf6 16. g4 Be5 17. Bd2 Bd4 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.09"]
[Round "2"]
[White "O'Riordan, Kenneth"]
[Black "Kerins, Noel"]
[Result "1/2-1/2"]
[ECO "A49"]
[PlyCount "113"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. Nf3 Bg7 4. c4 d6 5. d4 0-0 6. g3 Nc6 7. Bg2 e5 8. dxe5 Ng4 9. Nc3 Ngxe5 10. 0-0 Nxf3+ 11. Bxf3 Bh3 12. Bg2 Qd7 13. Qd2 Bxg2 14. Kxg2 Rae8 15. Rad1 Re5 16. Nd5 Rh5 17. Nf4 Ra5 18. Bxg7 Kxg7 19. Nd5 Ra6 20. f4 Ne7 21. e4 Nxd5 22. cxd5 f6 23. Rc1 Rc8 24. f5 g5 25. h4 h6 26. hxg5 hxg5 27. Rh1 Rh8 28. Rxh8 Kxh8 29. a4 Rb6 30. Rh1+ Kg7 31. Qd1 Qe8 32. Qc2 c6 33. g4 Rb4 34. Kf3 Qe5 35. dxc6 Qf4+ 36. Kg2 Qxg4+ 37. Kf2 Qf4+ 38. Kg2 bxc6 39. Qxc6 Qxe4+ 40. Qxe4 Rxe4 41. Rd1 Re5 42. Rxd6 a5 43. Rb6 Rxf5 44. Rb5 Kg6 45. b4 axb4 46. Rxb4 Ra5 47. Kf3 Ra6 48. Kg3 f5 49. Rc4 Rb6 50. Rc3 Kh5 51. a5 Rb1 52. Ra3 f4+ 53. Kf3 Rb4 54. a6 g4+ 55. Kg2 Rb2+ 56. Kg1 Rb1+ 57. Kg2 1/2-1/2

[Event "IRL-ch"]
[Site "Dublin"]
[Date "1972.07.08"]
[Round "1"]
[White "Coldrick, Arthur"]
[Black "O'Riordan, Kenneth"]
[Result "1/2-1/2"]
[ECO "E21"]
[PlyCount "51"]
[EventDate "1972.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 b6 5. Bg2 Bb7 6. 0-0 0-0 7. a3 Bxc3 8. bxc3 d6 9. d4 Nbd7 10. a4 e5 11. Qb3 c5 12. Rd1 Qe7 13. Bg5 h6 14. Bxf6 Nxf6 15. a5 e4 16. Ne1 Nd7 17. a6 Bc8 18. Nc2 f5 19. Ne3 Nf6 20. Nd5 Nxd5 21. cxd5 f4 22. dxc5 bxc5 23. c4 Bd7 24. Rab1 e3 25. fxe3 fxe3 26. Rf1 1/2-1/2

[Event "Cork op"]
[Site "Cork"]
[Date "1971.??.??"]
[Round "?"]
[White "Henry, Paul Gerard"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "121"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. d4 d5 4. e3 g6 5. Nc3 Bg7 6. Bd3 0-0 7. 0-0 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Re1 c5 11. Qe2 dxc4 12. Bxc4 e6 13. Rad1 Qc7 14. dxc5 Nxc5 15. Nb5 Qe7 16. Be5 Nfe4 17. Bxg7 Kxg7 18. Qb2+ Qf6 19. Qxf6+ Nxf6 20. b4 Nce4 21. Ne5 a6 22. Nd6 Nxd6 23. Rxd6 b5 24. Be2 Bd5 25. a3 Rfd8 26. Rxd8 Rxd8 27. Rc1 Nd7 28. Nxd7 Rxd7 29. f3 Kf6 30. Kf2 e5 31. Rd1 Ke6 32. Rc1 Bb7 33. Ke1 Ke7 34. Rd1 Rxd1+ 35. Kxd1 Kd6 36. Kc2 Bc6 37. g3 g5 38. f4 exf4 39. exf4 gxf4 40. gxf4 h6 41. Kd3 Bb7 42. Kd4 f6 43. Bg4 Kc7 44. Kc5 Be4 45. Be6 Bf3 46. Bd5 Bg4 47. Kd4 Bc8 48. Ke4 Bg4 49. Ke3 Bc8 50. Kf3 Kd6 51. Be4 Be6 52. Kg3 Bd5 53. Bf5 Be6 54. Bxe6 Kxe6 55. Kg4 Kf7 56. Kf5 h5 57. h4 Ke7 58. Kg6 Ke6 59. Kxh5 Kf5 60. Kh6 Kxf4 61. Kg6 1-0

[Event "Cork op"]
[Site "Cork"]
[Date "1971.??.??"]
[Round "?"]
[White "O'Riordan, Kenneth"]
[Black "Moles, John L"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "34"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IRL"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 d6 5. e3 0-0 6. Nf3 h6 7. Bh4 g5 8. Bg3 Nh5 9. Be2 e6 10. Nd2 Nxg3 11. hxg3 f5 12. g4 Nc6 13. Qb3 a5 14. gxf5 exf5 15. c5+ Kh8 16. Nf3 dxc5 17. dxc5 Qf6 1/2-1/2

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.11.06"]
[Round "13"]
[White "O'Riordan, Kenneth"]
[Black "Magrin, Antonio"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "64"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Italy"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "ITA"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d5 6. 0-0 Bd6 7. Nc3 Ne4 8. Qc2 f5 9. cxd5 exd5 10. Nb5 0-0 11. Nxd6 cxd6 12. Bd2 Nc6 13. Qb3 Ne7 14. Bxe4 fxe4 15. Ng5 Qd7 16. Nxe4 Ba6 17. Rfc1 Bc4 18. Qa3 dxe4 19. Rxc4 Ng6 20. Qb3 d5 21. Rc3 Nh4 22. Qd1 Qf5 23. Qf1 Rf6 24. Kh1 Rg6 25. g3 Nf3 26. Be1 Rh6 27. h4 Nxh4 28. gxh4 Rxh4+ 29. Kg1 Qf3 30. Qg2 Rg4 31. Qxg4 Qxg4+ 32. Kf1 h5 0-1

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.11.04"]
[Round "11"]
[White "O'Riordan, Kenneth"]
[Black "Ornithopoulos, Nikolaos"]
[Result "1/2-1/2"]
[ECO "A56"]
[PlyCount "39"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Greece"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "GRE"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 0-0 7. Bg2 Ne8 8. Nf3 Bg4 9. h3 Bxf3 10. Bxf3 Bg5 11. Bxg5 Qxg5 12. Qd2 Qxd2+ 13. Kxd2 g6 14. g4 Nd7 15. Rab1 Nc7 16. a3 a6 17. Be2 Rfb8 18. a4 Ne8 19. Bd3 Ng7 20. Ra1 1/2-1/2

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.11.02"]
[Round "9"]
[White "O'Riordan, Kenneth"]
[Black "Najjar, Abderrahman"]
[Result "1/2-1/2"]
[ECO "E56"]
[PlyCount "48"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Morocco"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "MAR"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 Nc6 8. a3 dxc4 9. Bxc4 Ba5 10. Qd3 Bb6 11. Na4 cxd4 12. Nxb6 Qxb6 13. exd4 h6 14. Bf4 Nd5 15. Bg3 Bd7 16. b4 Rac8 17. Rac1 Nce7 18. Rfd1 Ba4 19. Re1 a6 20. h3 Qd8 21. Bh4 Qd6 22. Bg3 Qd8 23. Bh4 Qd6 24. Bg3 Qd8 1/2-1/2

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.10.31"]
[Round "7"]
[White "O'Riordan, Kenneth"]
[Black "Santos, Julio Fernandes"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "75"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Portugal"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "POR"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 a6 6. b3 0-0 7. Bb2 c6 8. Bd3 dxc4 9. bxc4 c5 10. 0-0 Nc6 11. Rc1 Qc7 12. Qe2 Rd8 13. Rfd1 Bd6 14. Ne4 Nxe4 15. Bxe4 Ne7 16. dxc5 Qxc5 17. Bd4 Qh5 18. Be5 f5 19. Bc2 Nd5 20. Bxd6 Nc3 21. Qe1 Nxd1 22. Rxd1 b5 23. c5 Bb7 24. Qe2 h6 25. Bb3 Qg6 26. g3 Qf6 27. Nd4 Bc8 28. Qf3 Ra7 29. Qxf5 Qxf5 30. Nxf5 Kf7 31. Nd4 Bd7 32. Nf3 Be8 33. Rd4 g5 34. Re4 Kg7 35. Rxe6 Bf7 36. Nd4 Kh7 37. Bc2+ Kg8 38. Rxh6 1-0

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.10.29"]
[Round "5"]
[White "Svedenborg, Paul"]
[Black "O'Riordan, Kenneth"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "48"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Norway"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "IRL"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. h4 f5 10. Qf4 c5 11. Bd3 Nc6 12. Bxe4 dxe4 13. f3 Qd5 14. fxe4 Qxe4+ 15. Qxe4 fxe4 16. Ne2 b6 17. Be3 cxd4 18. cxd4 Bb7 19. 0-0+ Ke7 20. Nf4 Rhg8 21. Ng6+ Ke8 22. Nf4 Nb4 23. Rf2 Nd5 24. Nxd5 Bxd5 1/2-1/2

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.10.28"]
[Round "4"]
[White "Koshnitsky, Gregory Simon"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "A98"]
[PlyCount "60"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Australia"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "AUS"]
[BlackTeamCountry "IRL"]

1. c4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. d4 d6 7. Nc3 Qe8 8. Qc2 Qg6 9. Re1 Nc6 10. d5 exd5 11. cxd5 Nb4 12. Qd1 Na6 13. Nd4 Nc5 14. Qc2 Bd7 15. b4 Na6 16. a3 Rae8 17. e3 Qh5 18. Qe2 Qxe2 19. Rxe2 Ra8 20. Bb2 Rfc8 21. Rae1 g6 22. Bh3 Nb8 23. e4 fxe4 24. Bg2 c6 25. dxc6 Nxc6 26. Nxe4 Nxe4 27. Bxe4 Bg5 28. Nb5 a5 29. Nxd6 Rc7 30. b5 Nd8 1-0

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.10.27"]
[Round "3"]
[White "Budowski, Gerardo"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "49"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "IRL"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Bd7 6. Qe2+ Qe7 7. Bxd7+ Nxd7 8. dxc5 Nxc5 9. Nb3 Qxe2+ 10. Nxe2 Nf6 11. Be3 Na4 12. 0-0-0 g6 13. Nf4 Bg7 14. c3 0-0-0 15. Bxa7 b6 16. Rd4 Nc5 17. Bxb6 Nxb3+ 18. axb3 Rd6 19. Rb4 Re8 20. Rd1 Bh6 21. Be3 Ng4 22. Nxd5 Nxe3 23. fxe3 Rde6 24. Rc4+ Kb7 25. Nc7 1-0

[Event "Olympiad-18 Final C"]
[Site "Lugano"]
[Date "1968.10.26"]
[Round "2"]
[White "O'Riordan, Kenneth"]
[Black "Colon Romero, Arturo"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "78"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "PUR"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 b5 11. Nd5 f5 12. exf5 Ra7 13. Bd3 Qg5 14. 0-0 Rg8 15. g3 Ne7 16. Nxe7 Bxe7 17. Qf3 Rc7 18. c4 Qh4 19. Rfe1 bxc4 20. Bxc4 Qg5 21. Rac1 Bb7 22. Qb3 Kf8 23. Qb6 Rd7 24. Bxa6 Bf3 25. Rc8+ Kg7 26. Rxg8+ Kxg8 27. Qe3 Qxf5 28. Bc8 e4 29. Bxd7 Qxd7 30. Qh6 Qf5 31. Rc1 Bg5 32. Rc8+ Qxc8 33. Qxg5+ Kf8 34. Qh6+ Ke7 35. Qg5+ Kf8 36. Qh6+ Ke8 37. Nb5 Qc2 38. Nxd6+ Kd7 39. Qh3+ Kxd6 1-0

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.22"]
[Round "5"]
[White "O'Riordan, Kenneth"]
[Black "Quesada, Oscar"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "61"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 a6 7. Be3 Bg7 8. 0-0 Nbd7 9. f4 e5 10. Nb3 Qc7 11. f5 b5 12. fxg6 hxg6 13. Qd2 Bb7 14. Bf3 0-0-0 15. a4 b4 16. Nd5 Nxd5 17. exd5 a5 18. c3 bxc3 19. bxc3 f5 20. Rfc1 Nc5 21. Nxc5 dxc5 22. Rab1 e4 23. Be2 Qxh2+ 24. Kf1 Be5 25. Bg1 Qg3 26. Rxb7 Kxb7 27. Qb2+ Kc7 28. Qb5 Qf4+ 29. Ke1 Qxc1+ 30. Kf2 Qf4+ 31. Ke1 0-1

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.21"]
[Round "4"]
[White "Suttles, Duncan"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "A20"]
[PlyCount "90"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "IRL"]

1. g3 e5 2. Bg2 Nf6 3. c4 c6 4. d4 exd4 5. Qxd4 d6 6. Nc3 Na6 7. Nh3 Be7 8. 0-0 0-0 9. Nf4 Nc5 10. b3 Re8 11. Bb2 Bf8 12. Rad1 Bf5 13. Rfe1 Nfe4 14. Nxe4 Bxe4 15. Bh3 Qg5 16. Rd2 Bf5 17. Bg2 Ne4 18. h4 Qh6 19. Bxe4 Rxe4 20. Qc3 Rae8 21. Qf3 d5 22. cxd5 Bd6 23. Rd4 Bxf4 24. Rxe4 Rxe4 25. dxc6 bxc6 26. Rd1 Re8 27. Qxf4 Qxf4 28. gxf4 h6 29. Rd2 Re6 30. f3 Rg6+ 31. Kh2 Bb1 32. Be5 Re6 33. Kg3 Rg6+ 34. Kf2 Re6 35. e4 f5 36. Ke3 fxe4 37. fxe4 Rg6 38. Rd1 Bxa2 39. f5 Rg2 40. Kf3 Rc2 41. Rd7 Bxb3 42. Rxg7+ Kf8 43. Rxa7 Bf7 44. Bd6+ Kg8 45. Ra8+ Kh7 1-0

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.19"]
[Round "2"]
[White "O'Riordan, Kenneth"]
[Black "Riego Prieto, Victorio"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "82"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Paraguay"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "PAR"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be3 Be7 8. Bd3 b5 9. 0-0 Qc7 10. Qf3 Bb7 11. a3 0-0 12. Qh3 Nbd7 13. Rae1 Rfd8 14. g4 Nf8 15. g5 Ne8 16. f5 e5 17. Nde2 f6 18. g6 d5 19. exd5 Bc5 20. Ng3 Rac8 21. Nge4 Bxe3+ 22. Qxe3 h6 23. Rd1 Bxd5 24. Nxd5 Rxd5 25. Nc3 Rd4 26. Be4 Qc5 27. Kg2 Nd7 28. Rd3 Nd6 29. Bd5+ Kf8 30. Rxd4 Qxd4 31. Qd3 Nb6 32. Be6 Rc6 33. Rd1 Qxd3 34. Rxd3 Ke7 35. Kf1 a5 36. Rd2 Ndc4 37. Re2 Nxa3 38. Nd5+ Nxd5 39. Bxd5 Rc5 40. Be6 Nxc2 41. Rd2 Nd4 0-1

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.18"]
[Round "1"]
[White "Barcza, Gedeon"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "44"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Hungary"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "IRL"]

1. Nf3 e6 2. d4 f5 3. c3 Be7 4. Bf4 Nf6 5. Nbd2 b6 6. Qc2 Bb7 7. e3 0-0 8. Bd3 a5 9. h3 Na6 10. g4 g6 11. gxf5 gxf5 12. Bh6 Kh8 13. Bxf8 Bxf8 14. 0-0-0 c5 15. Rhg1 cxd4 16. exd4 Rc8 17. Ne5 Qe7 18. Ndc4 Bh6+ 19. Kb1 Rf8 20. Rg6 Bf4 21. Rdg1 Bxe5 22. Nxe5 Ng4 1-0

[Event "IRL-ch"]
[Site "Cork"]
[Date "1967.07.??"]
[Round "?"]
[White "Dennehy, Tony"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "61"]
[EventDate "1967.07.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "IRL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[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 Na5 10. Bc2 c5 11. d4 Qc7 12. a4 b4 13. cxb4 cxb4 14. b3 Nc6 15. Nbd2 exd4 16. Nf1 d5 17. e5 Ne4 18. Bb2 Bc5 19. Qd3 a5 20. N1d2 Ba6 21. Nc4 dxc4 22. Qxe4 d3 23. Ng5 g6 24. Qh4 h5 25. Qf4 dxc2 26. Ne4 Be7 27. Qh6 f6 28. Qxg6+ Kh8 29. exf6 Bc5 30. f7+ Bd4 31. Qh6# 1-0

[Event "IRL-ch"]
[Site "Cork"]
[Date "1967.07.??"]
[Round "6"]
[White "O'Riordan, Kenneth"]
[Black "Heidenfeld, Wolfgang"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "64"]
[EventDate "1967.07.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "IRL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 0-0 6. Bd3 d6 7. Qc2 Qe8 8. 0-0 Bxc3 9. bxc3 Qg6 10. Ba3 Re8 11. g3 Qh5 12. Nh4 g5 13. Be2 Qh6 14. Ng2 Nbd7 15. f3 Nf8 16. c5 d5 17. Kf2 Ng6 18. Rh1 e5 19. h4 f4 20. gxf4 exf4 21. Rag1 fxe3+ 22. Nxe3 g4 23. Bc1 Qf8 24. Nf5 Ne4+ 25. fxe4 Rxe4 26. h5 Bxf5 27. hxg6 Rxe2+ 28. Qxe2 Bd3+ 29. Ke1 Bxe2 30. gxh7+ Kh8 31. Kxe2 Re8+ 32. Be3 Qf3+ 0-1

[Event "IRL-ch"]
[Site "Belfast"]
[Date "1966.07.??"]
[Round "?"]
[White "Moles, John L"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "49"]
[EventDate "1966.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "IRL"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 b5 8. Nxc6 Qxc6 9. e5 Bb7 10. Bf3 Qc7 11. Bxb7 Qxb7 12. Qd3 Ne7 13. Bc5 Ng6 14. Bxf8 Kxf8 15. 0-0-0 Ke7 16. Ne4 Qc7 17. Qa3+ Kd8 18. Nd6 Rf8 19. Nxb5 Qxe5 20. Qa5+ Ke7 21. Qa3+ Kd8 22. Nd6 Rb8 23. g3 Ne7 24. f4 Qe2 25. Qa5+ 1-0

[Event "IRL-ch"]
[Site "Galway"]
[Date "1965.07.??"]
[Round "?"]
[White "O'Riordan, Kenneth"]
[Black "Sadlier, Jim"]
[Result "1-0"]
[ECO "D99"]
[PlyCount "43"]
[EventDate "1965.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[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 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Nfd7 8. Be3 Nb6 9. Qb3 Nc6 10. Rd1 Bg4 11. d5 Ne5 12. Be2 Qc8 13. Nxe5 Bxe2 14. Nxe2 Bxe5 15. f4 Bg7 16. 0-0 e6 17. f5 gxf5 18. exf5 exf5 19. Ng3 Qd7 20. Nxf5 Be5 21. Bc5 Rfe8 22. Nh6+ 1-0

[Event "Olympiad-12 Final C"]
[Site "Moscow"]
[Date "1956.09.22"]
[Round "9"]
[White "O'Riordan, Kenneth"]
[Black "Schmitt, Peter his"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "60"]
[EventDate "1956.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Saarland"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 g6 6. 0-0 Bg7 7. h3 Bxf3 8. Bxf3 c6 9. c4 Nc7 10. Bf4 0-0 11. exd6 exd6 12. Nc3 Ne6 13. Be3 Ng5 14. Ne4 Nxe4 15. Bxe4 Re8 16. Bf3 Nd7 17. Qb3 Qb6 18. Qxb6 Nxb6 19. b3 Rad8 20. a4 Nc8 21. Rad1 Ne7 22. g4 d5 23. c5 h6 24. Be2 g5 25. Kg2 f5 26. Rfe1 f4 27. Bc1 Ng6 28. f3 Re7 29. Kf2 Rde8 30. Bb2 Kf8 0-1

[Event "Olympiad-12 Final C"]
[Site "Moscow"]
[Date "1956.09.17"]
[Round "7"]
[White "Mastichiadis, Fotis"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "E28"]
[PlyCount "51"]
[EventDate "1956.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Greece"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "IRL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 0-0 10. e4 Ne8 11. 0-0 d6 12. f4 f5 13. Ng3 g6 14. d5 Ne7 15. Ra2 exd5 16. cxd5 fxe4 17. Bxe4 Nf6 18. c4 Nxe4 19. Nxe4 Nf5 20. a4 Ba6 21. Qd3 Rb8 22. Rd2 Bc8 23. Bb2 h6 24. Qc3 Kf7 25. Ng3 Nxg3 26. Qg7+ 1-0

[Event "Olympiad-12 Final C"]
[Site "Moscow"]
[Date "1956.09.16"]
[Round "6"]
[White "O'Riordan, Kenneth"]
[Black "Middleton, Ian"]
[Result "1/2-1/2"]
[ECO "B57"]
[PlyCount "55"]
[EventDate "1956.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "SCO"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. 0-0 Rc8 8. Bb3 a6 9. f3 e6 10. Be3 Be7 11. Nxc6 Bxc6 12. Qe1 0-0 13. Rd1 Qc7 14. Qf2 b5 15. a3 Qb7 16. Kh1 Rcd8 17. Rfe1 d5 18. exd5 Nxd5 19. Nxd5 Bxd5 20. Bxd5 Rxd5 21. Rxd5 Qxd5 22. Qd2 Qxd2 23. Bxd2 Bf6 24. c3 Rd8 25. Be3 Kf8 26. Kg1 Ke8 27. Kf2 Rd5 28. Ke2 1/2-1/2

[Event "Olympiad-12 Final C"]
[Site "Moscow"]
[Date "1956.09.13"]
[Round "4"]
[White "O'Riordan, Kenneth"]
[Black "Cardoso, Radolfo Tan"]
[Result "0-1"]
[ECO "C17"]
[PlyCount "42"]
[EventDate "1956.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Philippines"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "PHI"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nf3 0-0 7. Ne2 Bxd2+ 8. Qxd2 Nd7 9. c3 f6 10. Nf4 Qb6 11. Bd3 cxd4 12. cxd4 fxe5 13. dxe5 Nc5 14. Bb1 Bd7 15. 0-0 Rad8 16. Nh5 Be8 17. Qg5 Ng6 18. Bxg6 Bxg6 19. Nh4 Ne4 20. Qg4 Nxf2 21. Qe2 Bxh5 0-1

[Event "Olympiad-12 Final C"]
[Site "Moscow"]
[Date "1956.09.12"]
[Round "3"]
[White "Philippe, Georges"]
[Black "O'Riordan, Kenneth"]
[Result "1/2-1/2"]
[ECO "D68"]
[PlyCount "47"]
[EventDate "1956.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Luxembourg"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "LUX"]
[BlackTeamCountry "IRL"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. c4 Be7 5. Nc3 0-0 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. Qc2 e4 14. Nd2 Nf6 15. f3 exf3 16. Nxf3 Ne4 17. Ra3 Nd6 18. Ne5 Nxc4 19. Qxc4 Be6 20. Qc2 f6 21. Nf3 Bd5 22. Rc3 Rae8 23. Qf2 Qf7 24. b3 1/2-1/2

[Event "Olympiad-12 Preliminaries C"]
[Site "Moscow"]
[Date "1956.09.09"]
[Round "9"]
[White "O'Riordan, Kenneth"]
[Black "Mallett, Lionel"]
[Result "0-1"]
[ECO "C14"]
[PlyCount "88"]
[EventDate "1956.09.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Chile"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "CHI"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2 0-0 8. f4 f5 9. exf6 Nxf6 10. 0-0-0 c5 11. dxc5 Qxc5 12. Be2 Nc6 13. Bf3 Bd7 14. Nge2 b5 15. Nd4 b4 16. Nce2 Na5 17. Nb3 Nxb3+ 18. axb3 a5 19. Qd4 Qe7 20. f5 exf5 21. Bxd5+ Nxd5 22. Qxd5+ Be6 23. Qd6 Qg5+ 24. Kb1 Rfe8 25. Qg3 Qxg3 26. Nxg3 a4 27. bxa4 Rxa4 28. b3 Ra5 29. Rd4 Rb8 30. Rhd1 Kf7 31. Rd8 Rb7 32. R1d4 Ke7 33. Rh8 h6 34. Ne2 Bd5 35. Nf4 Be4 36. Nd3 Ra3 37. Kb2 Bxd3 38. cxd3 Ra5 39. Rg8 Kf6 40. Rdd8 Rba7 41. Rgf8+ Kg6 42. Rd6+ Kh7 43. Kc2 Ra2+ 44. Kd1 Rxg2 0-1

[Event "Olympiad-12 Preliminaries C"]
[Site "Moscow"]
[Date "1956.09.08"]
[Round "8"]
[White "Teschner, Rudolf"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "53"]
[EventDate "1956.09.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "IRL"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Qh5 0-0 8. Ne2 g6 9. Qh6 Be6 10. Bxe6 fxe6 11. h4 Rf7 12. Bd2 Na6 13. Qe3 e5 14. 0-0-0 Qb6 15. Bc3 Nb4 16. Bxb4 Qxb4 17. h5 g5 18. Ng3 exd4 19. Rxd4 Re7 20. Ne4 Qb6 21. Nxf6+ Kf7 22. Qd3 Bf4+ 23. Rxf4 gxf4 24. Qxh7+ Kxf6 25. Qg6+ Ke5 26. Re1+ Kd5 27. Qg5+ 1-0

[Event "Olympiad-12 Preliminaries C"]
[Site "Moscow"]
[Date "1956.09.04"]
[Round "4"]
[White "O'Riordan, Kenneth"]
[Black "Sanguineti, Raul"]
[Result "0-1"]
[ECO "C73"]
[PlyCount "64"]
[EventDate "1956.09.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Ireland"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "IRL"]
[BlackTeamCountry "ARG"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Be3 Ne7 8. c4 Ng6 9. dxe5 fxe5 10. Nc3 c5 11. 0-0 Be7 12. Nd5 0-0 13. Nb6 Rb8 14. Nxc8 Qxc8 15. b3 h6 16. Ne1 Rf7 17. h3 Nf8 18. Qg4 Qxg4 19. hxg4 Ne6 20. Nd3 Bd8 21. Rad1 Kf8 22. g3 Bf6 23. Kg2 Nd8 24. f4 Nc6 25. f5 a5 26. Nb2 Nb4 27. a4 Nc2 28. Rd3 c6 29. Rc1 Nxe3+ 30. Rxe3 Bg5 31. Rcc3 Bxe3 32. Rxe3 Rfb7 0-1

[Event "Olympiad-12 Preliminaries C"]
[Site "Moscow"]
[Date "1956.09.03"]
[Round "3"]
[White "Gudmundsson, Arinbjorn"]
[Black "O'Riordan, Kenneth"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "83"]
[EventDate "1956.09.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Iceland"]
[BlackTeam "Ireland"]
[WhiteTeamCountry "ISL"]
[BlackTeamCountry "IRL"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. d4 c5 7. Nc3 Nc6 8. dxc5 dxc5 9. Be3 Qa5 10. Bd2 Qc7 11. Qc1 Rd8 12. Bf4 e5 13. Bg5 Be6 14. Nd2 h6 15. Bxf6 Bxf6 16. Nde4 Bg7 17. Nxc5 Bxc4 18. b3 Na5 19. Nxb7 Nxb7 20. bxc4 Rab8 21. Nd5 Qc5 22. Qe3 Qxe3 23. Nxe3 Nc5 24. Rab1 Rxb1 25. Rxb1 Rd2 26. Rb5 Bf8 27. Ra5 Rxe2 28. Rxa7 e4 29. Kf1 Rb2 30. Nd5 Nd3 31. Nf6+ Kg7 32. Nxe4 Nxf2 33. Nxf2 Rxf2+ 34. Kxf2 Bc5+ 35. Kf3 Bxa7 36. Ke4 Kf6 37. Kd5 Ke7 38. Kc6 Kd8 39. Kb7 Bc5 40. a4 Bd4 41. Bd5 f5 42. h3 1-0

[Event "IRL-ch"]
[Site "Cork"]
[Date "1955.07.??"]
[Round "?"]
[White "O'Riordan, Kenneth"]
[Black "Corby, James C"]
[Result "1-0"]
[ECO "C85"]
[PlyCount "85"]
[EventDate "1955.07.??"]
[EventType "tourn"]
[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. 0-0 Be7 6. Bxc6 dxc6 7. Qe1 Bd6 8. d4 Qe7 9. Nbd2 Bg4 10. h3 Bxf3 11. Nxf3 0-0-0 12. dxe5 Bxe5 13. Nxe5 Qxe5 14. f3 Rd7 15. Qb4 Rhd8 16. Be3 Nd5 17. Qc5 Re7 18. Bd4 b6 19. Bxe5 bxc5 20. Bxg7 Rg8 21. exd5 Rxg7 22. dxc6 Re2 23. Rf2 Re6 24. Rd1 Rxc6 25. Rd5 Rb6 26. c4 Kb7 27. Rxc5 Rh6 28. Kf1 Kb6 29. Re5 Rc6 30. b3 Rc5 31. Rxc5 Kxc5 32. Rd2 Kb4 33. Rd5 c5 34. g4 Rg6 35. Kf2 Rc6 36. f4 a5 37. Rd3 a4 38. Kf3 axb3 39. axb3 Ra6 40. Ke4 Ra3 41. f5 f6 42. g5 fxg5 43. f6 1-0

[Event "IRL-ch"]
[Site "Cork"]
[Date "1955.??.??"]
[Round "4"]
[White "O'Riordan, Kenneth"]
[Black "Maher, Vincent"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "92"]
[EventDate "1955.07.??"]
[EventType "tourn"]
[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 0-0 5. Nf3 d6 6. Be2 Nbd7 7. 0-0 e5 8. d5 Ne8 9. Ne1 f5 10. f3 Ndf6 11. Be3 Nh5 12. Nd3 f4 13. Bf2 Qg5 14. Kh1 Ng3+ 15. hxg3 fxg3 16. Bxg3 Qxg3 17. Qe1 Qg5 18. Bd1 Nf6 19. Ne2 Nh5 20. Bc2 Nf4 21. Qf2 Bd7 22. b4 Rf7 23. c5 Raf8 24. Rac1 Qh5+ 25. Kg1 Nh3+ 26. gxh3 Rxf3 27. Ndf4 Rxf2 28. Nxh5 Rxf1+ 29. Rxf1 Rxf1+ 30. Kxf1 Bxh3+ 31. Kf2 gxh5 32. cxd6 cxd6 33. Nc3 a6 34. Kg3 Bg4 35. Bd1 Bxd1 36. Nxd1 Bh6 37. Nb2 Bd2 38. Nd3 Kf7 39. Kh4 Kg6 40. a3 b5 41. Kh3 Kg5 42. Kg3 h4+ 43. Kf3 h6 44. Kg2 Kg4 45. Nc5 a5 46. Nb3 axb4 0-1

[Event "IRL-ch"]
[Site "Belfast"]
[Date "1954.??.??"]
[Round "?"]
[White "O'Riordan, Kenneth"]
[Black "Mulcahy, Edmond"]
[Result "0-1"]
[ECO "D25"]
[PlyCount "34"]
[EventDate "1954.??.??"]
[EventType "tourn"]
[EventCountry "IRL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. 0-0 0-0 7. Nc3 Nfd7 8. e4 Nb6 9. Bb3 Bg4 10. Be3 Nc6 11. Ne2 Bxf3 12. gxf3 Qd7 13. d5 Ne5 14. Nd4 Qh3 15. Bf4 c5 16. dxc6 Rad8 17. Be3 Rxd4 0-1

