[Event "Hanoi op"]
[Site "Hanoi"]
[Date "2019.02.24"]
[Round "5"]
[White "Doan, Quoc Thanh"]
[Black "Nguyen, Hoai Nam"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2165"]
[PlyCount "70"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. Bg2 Nc6 5. 0-0 e6 6. b3 cxd4 7. Nxd4 Bd7 8. Bb2 Bc5 9. c3 h5 10. h4 Ne5 11. Nd2 Neg4 12. Qc2 Rc8 13. Qd3 e5 14. b4 Bb6 15. Nb5 Be6 16. e3 a6 17. Na3 Qe7 18. Rad1 e4 19. Qe2 Bc7 20. Nb3 Ne5 21. Nd4 Bd7 22. Qc2 b5 23. Bc1 g6 24. Qb3 0-0 25. Nac2 Bg4 26. Rd2 Nc4 27. a4 Qd7 28. axb5 axb5 29. Kh2 Be5 30. f3 exf3 31. Nxf3 Nxd2 32. Bxd2 Bxg3+ 33. Kxg3 Ne4+ 34. Kh2 Bxf3 35. Be1 Qd6+ 0-1

[Event "Hanoi op"]
[Site "Hanoi"]
[Date "2019.02.24"]
[Round "4"]
[White "Luu, Quoc Viet"]
[Black "Doan, Quoc Thanh"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1844"]
[PlyCount "150"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Nbd2 c5 5. c3 cxd4 6. cxd4 Nc6 7. e3 0-0 8. h3 d6 9. Bc4 Bf5 10. 0-0 Rc8 11. Rc1 Na5 12. Be2 Qb6 13. Nb3 Rxc1 14. Qxc1 Nxb3 15. axb3 Qxb3 16. Bc4 Qb4 17. Ba2 Rc8 18. Qa1 a6 19. Ng5 d5 20. Be5 Rc2 21. Nf3 e6 22. Rc1 h6 23. Rxc2 Bxc2 24. Qc1 Qa4 25. Ne1 Qxa2 26. Qxc2 Qc4 27. Qd1 Nd7 28. Bd6 Bf8 29. Bxf8 Kxf8 30. Qd3 Qxd3 31. Nxd3 Ke7 32. Kf1 Kd6 33. Ke2 a5 34. g4 b5 35. f4 Kc6 36. h4 b4 37. Kd2 Kb5 38. Kc2 a4 39. Nf2 Kc4 40. Nd3 a3 41. b3+ Kb5 42. g5 hxg5 43. hxg5 f6 44. gxf6 Nxf6 45. Ne5 Kb6 46. Kb1 Kc7 47. Nxg6 Ng4 48. Kc1 Nxe3 49. Ne5 Kb6 50. Nd7+ Kc6 51. Nc5 Kd6 52. Nd3 Nf5 53. Nxb4 Nxd4 54. Kb1 Nb5 55. Na2 Kc5 56. Kc2 Kd4 57. b4 Ke3 58. Kb3 Kxf4 59. Ka4 Nd6 60. Kxa3 d4 61. Kb3 e5 62. Kc2 e4 63. Kd2 Nc4+ 64. Ke1 Ke3 65. b5 d3 66. Nc3 Kd4 67. Nb1 e3 68. Kd1 Nb2+ 69. Ke1 Na4 70. Kd1 Kc5 71. Na3 Kb4 72. Nc2+ dxc2+ 73. Kxc2 Kc4 74. Kc1 Kd3 75. Kd1 Nc3+ 0-1

[Event "Hanoi op"]
[Site "Hanoi"]
[Date "2019.02.23"]
[Round "3"]
[White "Doan, Quoc Thanh"]
[Black "Nguyen, Quang Trung"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1803"]
[PlyCount "72"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 c5 5. 0-0 Nc6 6. b3 cxd4 7. Nxd4 Bc5 8. Bb2 0-0 9. e3 Bxd4 10. exd4 b5 11. Nd2 Ba6 12. Re1 Re8 13. a3 Qb6 14. b4 Nxd4 15. Ne4 Nxe4 16. Bxd4 Qc7 17. Bxe4 dxe4 18. Rxe4 Bb7 19. Re5 Qc6 20. f3 Red8 21. c3 a6 22. Kg2 f6 23. Rc5 Qd7 24. Rc8 Bxc8 25. Qe2 e5 26. Be3 Bb7 27. c4 e4 28. f4 Qd3 29. Qxd3 exd3+ 30. Kf2 bxc4 31. Bd2 Kf7 32. Re1 Bd5 33. Bc3 Be6 34. Ke3 d2 35. Bxd2 Rd3+ 36. Ke2 Bg4+ 0-1

