[Event "AUS-ch Major"]
[Site "Sydney"]
[Date "2020.01.09"]
[Round "7"]
[White "Zhao Chen, Winston"]
[Black "O'Donoghue, Malachi"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1523"]
[BlackElo "1753"]
[PlyCount "124"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 b6 8. Qf3 c6 9. c3 Bb7 10. Bd3 Nbd7 11. Bf4 Nxe4 12. Bxe4 Rc8 13. Qg4 g6 14. Qe2 Nf6 15. Be5 0-0 16. Bf3 Bd6 17. 0-0 Bxe5 18. Qxe5 Nd7 19. Qe3 Kg7 20. Rad1 Nf6 21. c4 Qe7 22. Ne4 Nxe4 23. Qxe4 Qf6 24. b4 Rfd8 25. Qe5 Rd7 26. Qxf6+ Kxf6 27. Rd2 c5 28. Bxb7 Rxb7 29. dxc5 bxc5 30. b5 a6 31. a4 axb5 32. cxb5 Ra8 33. Ra1 Rxb5 34. Rda2 Rba5 35. Kf1 h5 36. Ke2 Rd8 37. Rb1 Rda8 38. Rba1 Rb8 39. Kd3 Rb3+ 40. Kc4 Rb4+ 41. Kc3 e5 42. Kd3 Kf5 43. f3 Ke6 44. g3 Kd5 45. Ra3 f5 46. Kc3 Rd4 47. R1a2 e4 48. Rd2 Rxd2 49. Kxd2 Kd4 50. f4 c4 51. h3 Kc5 52. Ra1 Kb4 53. Rb1+ Kc5 54. Ra1 Kd4 55. Ra3 c3+ 56. Rxc3 Rxa4 57. Rc8 Ra2+ 58. Ke1 e3 59. Rd8+ Ke4 60. g4 hxg4 61. hxg4 Kf3 62. Rd1 fxg4 0-1

[Event "AUS-ch Major"]
[Site "Sydney"]
[Date "2020.01.07"]
[Round "6"]
[White "Anup, Kumar Vihaan"]
[Black "O'Donoghue, Malachi"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1468"]
[BlackElo "1753"]
[PlyCount "107"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Nge2 a6 5. Bg2 0-0 6. 0-0 d6 7. d3 Bg4 8. h3 Be6 9. Nd5 Nc6 10. Bg5 Bxd5 11. exd5 Nd4 12. Nxd4 Bxd4 13. c3 Ba7 14. Qf3 h6 15. Bxf6 Qxf6 16. Qxf6 gxf6 17. Be4 Kh8 18. Kh2 Rg8 19. f4 Kg7 20. Rf3 Raf8 21. Raf1 b5 22. fxe5 fxe5 23. b4 Bb6 24. g4 a5 25. a3 axb4 26. axb4 f6 27. Kg3 Rh8 28. Kh4 Rf7 29. Ra1 Rd8 30. Bf5 Re7 31. Kg3 Rf7 32. Be6 Rff8 33. Rc1 Rfe8 34. c4 bxc4 35. dxc4 Bd4 36. c5 dxc5 37. bxc5 c6 38. Rb3 cxd5 39. Rb7+ Kh8 40. Bf5 Be3 41. Rd1 Bxc5 42. Rc1 Bd6 43. Rc6 e4+ 44. Kf2 d4 45. Rh7+ Kg8 46. Rxh6 d3 47. Ke3 d2 48. Rg6+ Kf7 49. Kxd2 Bf4+ 50. Ke1 e3 51. Rcxf6+ Ke7 52. Re6+ Kd7 53. Rg7+ Kc8 54. Rxe8+ 1-0

[Event "AUS-ch Major"]
[Site "Sydney"]
[Date "2020.01.04"]
[Round "3"]
[White "Hibberd, Nathan"]
[Black "O'Donoghue, Malachi"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1949"]
[BlackElo "1753"]
[PlyCount "71"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 e6 2. e3 f5 3. c4 Nf6 4. Nc3 b6 5. b3 Bb7 6. Bb2 Be7 7. Be2 0-0 8. 0-0 d6 9. Qc2 Nbd7 10. Ne1 e5 11. d3 Qe8 12. Bf3 Bxf3 13. Nxf3 Qh5 14. Qe2 Nc5 15. Ne1 Qg6 16. d4 Ne6 17. Nd5 Nxd5 18. cxd5 Ng5 19. dxe5 f4 20. Nf3 fxe3 21. fxe3 dxe5 22. Nxe5 Qe4 23. Qd3 Qh4 24. Qc4 Qxc4 25. bxc4 Bc5 26. Bd4 Bxd4 27. exd4 Ne4 28. Rxf8+ Rxf8 29. Rf1 Nc3 30. Rxf8+ Kxf8 31. Nc6 a5 32. a3 Nb1 33. c5 Nxa3 34. d6 Ke8 35. dxc7 Kd7 36. cxb6 1-0

[Event "AUS-ch Major"]
[Site "Sydney"]
[Date "2020.01.03"]
[Round "2"]
[White "O'Donoghue, Malachi"]
[Black "Patel, Dhwani"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1753"]
[BlackElo "1551"]
[PlyCount "55"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 d6 5. Nge2 Nc6 6. 0-0 Bg4 7. h3 Bh5 8. d3 h6 9. g4 Bg6 10. Ng3 Nd4 11. Na4 Ne6 12. Nxc5 dxc5 13. Be3 Qd7 14. f4 exf4 15. Bxf4 h5 16. g5 Qd4+ 17. Kh1 Ng4 18. Qf3 Nxf4 19. Qxf4 Ne5 20. Nf5 Bxf5 21. exf5 0-0-0 22. f6 g6 23. Rae1 Rhe8 24. Re4 Qxb2 25. Rfe1 Rd4 26. Rxe5 Rxf4 27. Rxe8+ Kd7 28. R1e7+ 1-0

[Event "AUS-ch Major"]
[Site "Sydney"]
[Date "2020.01.02"]
[Round "1"]
[White "Wen, Aiden"]
[Black "O'Donoghue, Malachi"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1463"]
[BlackElo "1753"]
[PlyCount "62"]
[EventDate "2020.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. 0-0 fxe5 8. Nxe5 Nxe5 9. dxe5 Qc7 10. f4 Ne7 11. Bg4 0-0-0 12. Qe2 g6 13. Be3 Nf5 14. Bf2 Kb8 15. Nd2 h5 16. Bf3 Be7 17. Rfb1 g5 18. fxg5 Bxg5 19. b4 c4 20. b5 b6 21. a4 Bh4 22. g3 Be7 23. a5 Bc5 24. axb6 Qxb6 25. Bxc5 Qxc5+ 26. Kh1 h4 27. g4 Ng3+ 28. hxg3 hxg3+ 29. Kg2 Rh2+ 30. Kxg3 Rxe2 31. Bxe2 Qe3+ 0-1

[Event "Sydney NSW op"]
[Site "Sydney"]
[Date "2019.06.08"]
[Round "1"]
[White "O'Donoghue, Malachi"]
[Black "Smetankin, Stanislav"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1764"]
[BlackElo "2506"]
[PlyCount "104"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. Bxc6 dxc6 6. 0-0 Nf6 7. d3 0-0 8. Nc3 b6 9. Qe1 a5 10. a4 Ne8 11. Qh4 f5 12. exf5 gxf5 13. Bd2 Nf6 14. Ne5 Qd6 15. Rae1 Be6 16. h3 Nd7 17. Nf3 h6 18. Re2 Rf6 19. Rfe1 Bf8 20. Nd1 c4 21. Qxf6 Nxf6 22. Rxe6 Qc5+ 23. d4 Qd5 24. Nc3 Qd7 25. Nh4 Kf7 26. Nxf5 Qxe6 27. Rxe6 Kxe6 28. g4 h5 29. Ne3 Rd8 30. f5+ Kf7 31. Nxc4 Rxd4 32. Ne5+ Ke8 33. Be3 Rb4 34. Nd3 Rc4 35. Ne5 Rb4 36. Nd3 hxg4 37. Nxb4 axb4 38. Ne2 Nd5 39. Bxb6 Nxb6 40. a5 Nc4 41. a6 gxh3 42. a7 Nb6 43. Kh2 Bg7 44. b3 Kd7 45. Kxh3 Kc7 46. Nf4 Kb7 47. Ne6 Be5 48. Nd8+ Kc7 49. Ne6+ Kc8 50. Kg4 Na8 51. Kf3 Bh2 52. Ke4 Bg1 0-1

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.12"]
[Round "11"]
[White "O'Donoghue, Malachi"]
[Black "Canfell, Mike J"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1802"]
[BlackElo "1844"]
[PlyCount "59"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. d3 0-0 8. Ne2 Nd7 9. 0-0 Rb8 10. Be3 b6 11. a4 a5 12. f4 exf4 13. Nxf4 Nf6 14. h3 Bd7 15. Kh2 Re8 16. Bd2 Bc8 17. Nh5 Nxh5 18. Qxh5 Qd7 19. Bd5 Rf8 20. Rxf7 Rxf7 21. Rf1 Kh8 22. Rxf7 Qe8 23. Be4 Qg8 24. Bd5 Qe8 25. Rxg7 Bf5 26. Rg8+ Qxg8 27. Bxg8 Kxg8 28. Qxf5 Rf8 29. Qe6+ Kh8 30. Kg2 1-0

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.11"]
[Round "10"]
[White "Talpade, Udit"]
[Black "O'Donoghue, Malachi"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1679"]
[BlackElo "1802"]
[PlyCount "82"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. e3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. a3 e5 9. d5 Ne7 10. e4 0-0 11. h3 h6 12. g4 Nh7 13. Nh4 Nxd5 14. Nf5 Nf4 15. Bxf4 exf4 16. Qd2 Bxf5 17. gxf5 Ng5 18. Qxf4 Nxe4 19. 0-0-0 Qg5 20. Qxg5 hxg5 21. Rh2 Nxc3 22. Rxd6 Rad8 23. Rxd8 Rxd8 24. Kc2 Ne4 25. Bd3 Nd6 26. h4 gxh4 27. Rxh4 f6 28. Kc3 Re8 29. Rf4 Kf7 30. Kd2 Rh8 31. Ke2 b6 32. Be4 Nxe4 33. Rxe4 Rh3 34. Re3 Rxe3+ 35. Kxe3 Ke7 36. Ke4 Kd6 37. a4 a6 38. f3 Kc6 39. f4 b5 40. cxb5+ axb5 41. a5 b4 0-1

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.10"]
[Round "9"]
[White "O'Donoghue, Malachi"]
[Black "Brockman, Roland"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "1802"]
[BlackElo "1591"]
[PlyCount "72"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 0-0 5. Nge2 c6 6. d4 exd4 7. Nxd4 d6 8. Nb3 Bb6 9. 0-0 Bg4 10. Qd3 Na6 11. a3 Qd7 12. Be3 Bxe3 13. Qxe3 Bh3 14. Rad1 Bxg2 15. Kxg2 Rfe8 16. f4 d5 17. Qf3 dxe4 18. Nxe4 Qe6 19. Ng5 Qe2+ 20. Rf2 Qxf3+ 21. Nxf3 Ng4 22. Rd7 Nxf2 23. Kxf2 b6 24. Ne5 c5 25. Nxf7 Nb8 26. Rc7 Kf8 27. Ne5 Re7 28. Rc8+ Re8 29. Rc7 Na6 30. Rf7+ Kg8 31. Rb7 g5 32. Ng4 Rf8 33. Nh6+ Kh8 34. Nf7+ Kg8 35. Nh6+ Kh8 36. Nf7+ Kg8 1/2-1/2

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.09"]
[Round "8"]
[White "Esposito, David"]
[Black "O'Donoghue, Malachi"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1556"]
[BlackElo "1802"]
[PlyCount "108"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 c4 7. Nbd2 Na5 8. g3 Qc7 9. h4 Ne7 10. Bh3 0-0-0 11. Ng5 f5 12. Nf7 Ng6 13. Nxh8 Nxh8 14. 0-0 Be7 15. Nf3 Nb3 16. Rb1 h6 17. Nd2 Na5 18. f4 g6 19. Nf3 Rg8 20. Kf2 Qd8 21. Rg1 Nf7 22. Bf1 Nb3 23. Nd2 Ba4 24. Nxb3 Bxb3 25. Qe2 h5 26. Be3 Nh6 27. Bh3 Kb8 28. Ra1 Qa5 29. Rgc1 Qc7 30. Qd2 Rc8 31. Bf1 Ng4+ 32. Ke2 Qd7 33. Bf2 b5 34. Kf3 Qd8 35. Bh3 Nh6 36. Rh1 Rc7 37. Bf1 Rb7 38. Be2 Qa5 39. Rhc1 Qa4 40. Bd1 Bxd1+ 41. Qxd1 a5 42. Qc2 Nf7 43. Qd1 Ka7 44. Rcb1 Qxd1+ 45. Rxd1 a4 46. Rab1 Kb8 47. Be1 Nh6 48. Kg2 Ng4 49. Kf3 Kc7 50. Rdc1 Kc6 51. Rd1 Nh2+ 52. Kg2 Ng4 53. Kf3 Rb8 54. Bf2 Nh6 1/2-1/2

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.08"]
[Round "7"]
[White "O'Donoghue, Malachi"]
[Black "Althaf, Rifky"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1802"]
[BlackElo "1657"]
[PlyCount "133"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. Bxc6 bxc6 6. 0-0 Nf6 7. d3 0-0 8. e5 Ng4 9. h3 Nh6 10. g4 f6 11. Nc3 d6 12. Qe1 fxe5 13. fxe5 Nf7 14. e6 Ne5 15. Ng5 h6 16. Nf7 Nxf7 17. Rxf7 Rxf7 18. exf7+ Kxf7 19. Qh4 Qh8 20. Bd2 Bd4+ 21. Kg2 Bf6 22. Rf1 Kg7 23. Rxf6 exf6 24. Ne4 g5 25. Qf2 Qd8 26. Bc3 Kg6 27. Bxf6 Qf8 28. h4 d5 29. hxg5 hxg5 30. Qd2 dxe4 31. Qxg5+ Kf7 32. Be5 Ke8 33. Qg6+ Kd7 34. dxe4 Ba6 35. Bf6 Bc4 36. e5 Qg8 37. Qf5+ Be6 38. Qd3+ Kc7 39. Qd6+ Kb6 40. g5 Bd5+ 41. Kg3 Qf8 42. a3 Qxd6 43. exd6 Be6 44. Kf4 c4 45. Ke5 Bd7 46. Be7 Rg8 47. Kf6 Be8 48. Ke6 Rg6+ 49. Bf6 Kc5 50. d7 Bxd7+ 51. Kxd7 Kd5 52. Ke7 Ke4 53. Ke6 Kf4 54. Kd6 Ke3 55. Kxc6 Kd2 56. Kb7 Kxc2 57. Kxa7 Kb3 58. Kb6 Rg8 59. Kc5 c3 60. bxc3 Kxa3 61. Kd5 Ka4 62. c4 Ka5 63. c5 Kb5 64. Kd6 Rc8 65. Bd4 Rd8+ 66. Ke5 Kc6 67. Be3 1/2-1/2

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.06"]
[Round "6"]
[White "O'Donoghue, Malachi"]
[Black "Holt, Kenneth P"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1802"]
[BlackElo "1825"]
[PlyCount "82"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 g6 6. Bf4 Bg7 7. Nd2 0-0 8. Ngf3 b6 9. h3 Ba6 10. Bxa6 Nxa6 11. Qe2 Qc8 12. 0-0 Qb7 13. Rfe1 Rfe8 14. a4 Nb8 15. Ne5 Nc6 16. g4 e6 17. Nf1 Nd7 18. Nxc6 Qxc6 19. Qb5 Qb7 20. a5 a6 21. Qb4 b5 22. Re2 e5 23. Be3 exd4 24. cxd4 Rac8 25. Qd2 Re6 26. Ra3 Nb8 27. Rc3 Rc4 28. b3 Rxc3 29. Qxc3 Nc6 30. Rc2 Bf8 31. Bd2 b4 32. Qd3 Nxa5 33. Bf4 Nc6 34. Be3 a5 35. f4 Bg7 36. f5 Re4 37. Ng3 Rxe3 38. Qf1 Rxg3+ 39. Kh2 Qb8 40. Kh1 Nxd4 41. Rf2 Qe8 0-1

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.05"]
[Round "5"]
[White "Kiripitige, Punala"]
[Black "O'Donoghue, Malachi"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1939"]
[BlackElo "1802"]
[PlyCount "131"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 Be7 4. Nc3 b6 5. h3 Bb7 6. Nf3 0-0 7. Be2 d6 8. 0-0 Nbd7 9. Bh2 Ne4 10. Nxe4 Bxe4 11. Nd2 Bb7 12. c3 f5 13. Qb3 Rf6 14. Bf3 Bxf3 15. Nxf3 Kh8 16. Qc4 h6 17. Qe2 Rf7 18. Ne1 Nf6 19. Nd3 g5 20. f3 Qd7 21. Rad1 Rg8 22. g4 h5 23. Rf2 hxg4 24. fxg4 Ne4 25. Rg2 Rg6 26. Be5+ Bf6 27. gxf5 exf5 28. Bxf6+ Nxf6 29. Rf1 Rfg7 30. Qf3 g4 31. Qxf5 Qxf5 32. Rxf5 gxh3 33. Rxg6 Rxg6+ 34. Kh2 Rh6 35. Nf2 Kg7 36. Rf3 d5 37. Nxh3 Kf7 38. Kg3 Ke7 39. Ng5 a5 40. Kf4 Rh2 41. Ke5 Rh6 42. e4 dxe4 43. Nxe4 Nxe4 44. Kxe4 Kd6 45. b3 c5 46. a4 cxd4 47. cxd4 Rh4+ 48. Rf4 Rh3 49. Rf6+ Kc7 50. Rf3 Rh4+ 51. Kd5 Rh5+ 52. Kc4 Rh6 53. Rd3 Kb7 54. d5 Rd6 55. Re3 Rd7 56. Re6 Rc7+ 57. Kd4 Rc1 58. Re7+ Kc8 59. Rh7 Rd1+ 60. Kc4 Rc1+ 61. Kb5 Rc5+ 62. Kxb6 Rxd5 63. Rc7+ Kb8 64. Rc5 Rd3 65. Rb5 Rd7 66. Kxa5+ 1-0

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.04"]
[Round "4"]
[White "O'Donoghue, Malachi"]
[Black "Dickson, Ian C"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1802"]
[BlackElo "1656"]
[PlyCount "93"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. Nb3 Qb4+ 8. Nbd2 Nc6 9. 0-0 Nf6 10. Qe2 Be7 11. a3 Qb6 12. b4 0-0 13. Nb3 Bd7 14. Bb2 Rad8 15. Nbxd4 Rfe8 16. Rad1 a6 17. Rfe1 Qc7 18. Bb3 b5 19. c4 bxc4 20. Bxc4 a5 21. b5 Nxd4 22. Nxd4 a4 23. Rc1 Qb6 24. Nf3 Rb8 25. Bd4 Bc5 26. Bxc5 Qxc5 27. Bxe6 Qxb5 28. Qxb5 Bxb5 29. Ba2 Rxe1+ 30. Rxe1 Re8 31. Rxe8+ Nxe8 32. Nd4 Nd6 33. f4 Bc4 34. Bb1 Nb5 35. Nxb5 Bxb5 36. Kf2 g6 37. Ke3 Kg7 38. Bd3 Bc6 39. g3 Kf6 40. Kd4 Ke7 41. Kc5 Kd7 42. Bb5 Bxb5 43. Kxb5 Kc7 44. Kxa4 Kb6 45. Kb4 f6 46. g4 h6 47. h4 1-0

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.03"]
[Round "3"]
[White "Mann, Anthony"]
[Black "O'Donoghue, Malachi"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1668"]
[BlackElo "1802"]
[PlyCount "131"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 Nf6 3. e3 b6 4. Nd2 c5 5. Ngf3 Nc6 6. Nc4 d5 7. Nce5 Nxe5 8. Nxe5 Bd7 9. Ba6 cxd4 10. exd4 Qe7 11. Bb7 Rd8 12. c3 h6 13. 0-0 g5 14. Bg3 Bg7 15. Bc6 Rc8 16. Bxd7+ Nxd7 17. Qa4 Bxe5 18. Bxe5 f6 19. Bg3 a5 20. Rfe1 Kf7 21. Re3 h5 22. h3 h4 23. Bh2 Nf8 24. Rae1 Qe8 25. Qxe8+ Rxe8 26. Bd6 Nd7 27. Kf1 Rhg8 28. f3 Rg6 29. Ke2 f5 30. Kd3 b5 31. R3e2 a4 32. Kc2 Ra8 33. Kd3 Ra6 34. Bc5 Rc6 35. Bb4 Rf6 36. Rf2 Kg6 37. Kd2 Rf7 38. Rfe2 Kf6 39. Kd3 Rg7 40. Rf2 Nb8 41. Rfe2 Na6 42. Bc5 Rg8 43. b4 axb3 44. axb3 Nxc5+ 45. dxc5 g4 46. fxg4 fxg4 47. Rf1+ Ke7 48. b4 gxh3 49. gxh3 Rg3+ 50. Re3 e5 51. Rf5 e4+ 52. Kd4 Rxe3 53. Kxe3 Rg6 54. Rxd5 Rg3+ 55. Kxe4 Rxh3 56. Kd4 Rh1 57. Rh5 h3 58. c6 h2 59. Kc5 Rc1 60. Rxh2 Rxc3+ 61. Kxb5 Kd6 62. Rd2+ Kc7 63. Rd7+ Kc8 64. Kb6 Rc4 65. b5 Rc2 66. Rh7 1-0

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.03"]
[Round "2"]
[White "O'Donoghue, Malachi"]
[Black "Tang, Jonas"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1802"]
[BlackElo "1355"]
[PlyCount "99"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. h3 Bh5 11. Ne5 Nd7 12. Ndf3 a6 13. g4 Bg6 14. Nxg6 hxg6 15. a4 Na5 16. Qc2 Nc4 17. b3 Nd6 18. Kd2 Nf6 19. Bxd6 Bxd6 20. Ne5 Qc7 21. f4 Rc8 22. Rae1 Bxe5 23. fxe5 Ng8 24. Ref1 Qe7 25. Kc1 Rc7 26. Kb2 Qg5 27. Rf3 Ne7 28. Rhf1 0-0 29. Qg2 Nf5 30. Bxf5 gxf5 31. Rg3 f4 32. h4 Qh6 33. g5 Qh5 34. Rg4 Rfc8 35. Rf3 b5 36. g6 f5 37. exf6 gxf6 38. Rgxf4 f5 39. axb5 axb5 40. Qe2 Qxg6 41. h5 Qh6 42. Rg3+ Kf8 43. Qe5 Rg7 44. Rxg7 Qxg7 45. Qd6+ Qe7 46. Qe5 Ke8 47. Rf2 Kd7 48. Rg2 Rf8 49. Rg7 Rf7 50. h6 1-0

[Event "AUS-ch Major"]
[Site "Cammeray"]
[Date "2018.01.02"]
[Round "1"]
[White "Daffy, Joseph"]
[Black "O'Donoghue, Malachi"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1626"]
[BlackElo "1802"]
[PlyCount "80"]
[EventDate "2018.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 dxe4 5. dxe4 e5 6. Ngf3 Bc5 7. Bg2 Bg4 8. 0-0 Nc6 9. c3 0-0 10. Qc2 h6 11. b4 Bd6 12. a4 a5 13. b5 Nb8 14. Nc4 Qe7 15. Nxd6 cxd6 16. Nd2 Nbd7 17. Nc4 Be6 18. Ne3 Nc5 19. c4 Nfd7 20. f4 f6 21. Ba3 b6 22. Rad1 Rfd8 23. Rd2 Nf8 24. Rfd1 Rd7 25. Nd5 Bxd5 26. Rxd5 exf4 27. Bh3 fxg3 28. Bxd7 gxh2+ 29. Kxh2 Nfxd7 30. Rxd6 Qe5+ 31. Kh1 Nxe4 32. R6d5 Qf4 33. Rxd7 Re8 34. Be7 Nf2+ 35. Kg2 Nxd1 36. Qxd1 Qe4+ 37. Kf2 Rxe7 38. Rxe7 Qxe7 39. Qd5+ Kf8 40. c5 Qc7 1/2-1/2

[Event "AUS-ch45 1985/86 Reserve"]
[Site "Toowoomba"]
[Date "1985.12.29"]
[Round "2.17"]
[White "Soto Olivo, Gina"]
[Black "O'Donoghue, Malachi"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "83"]
[EventDate "1985.12.28"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. a3 Bxd2+ 5. Qxd2 Nf6 6. Nc3 d6 7. e3 b6 8. Nf3 Bb7 9. Be2 a5 10. 0-0 0-0 11. b3 Nbd7 12. Rfc1 Ne4 13. Nxe4 Bxe4 14. Qc3 f5 15. b4 g5 16. h3 Qf6 17. b5 g4 18. Nd2 gxh3 19. Bf3 hxg2 20. Kxg2 Qh4 21. Kf1 Nf6 22. Ke2 Ng4 23. Rf1 Kh8 24. Bxg4 Qxg4+ 25. f3 Bxf3+ 26. Nxf3 Rg8 27. Rg1 Qh3 28. Raf1 Raf8 29. Rf2 Rxg1 30. Nxg1 Qg4+ 31. Nf3 f4 32. e4 h5 33. Qe1 Rg8 34. Qh1 d5 35. Rh2 dxe4 36. Rxh5+ Kg7 37. Rg5+ Qxg5 38. Nxg5 Kf6 39. Qh6+ Rg6 40. Nxe4+ Kf5 41. Qh5+ Kxe4 42. Qe5# 1-0

