[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.16"]
[Round "8"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Anh Dung1111"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2254"]
[BlackElo "2252"]
[PlyCount "62"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Bd2 0-0 6. e3 b6 7. Bd3 Bb7 8. Qe2 Qe7 9. a3 Bxc3 10. Bxc3 d6 11. Rg1 Ne4 12. Bxe4 fxe4 13. Nd2 Nd7 14. 0-0-0 d5 15. cxd5 exd5 16. g4 a5 17. Rg3 Ba6 18. Qe1 c5 19. Kb1 Bd3+ 20. Ka1 b5 21. dxc5 b4 22. Bd4 bxa3 23. b3 Nxc5 24. Bxc5 Qxc5 25. Rc1 Qb4 26. Ka2 a4 27. f4 Rfb8 28. Qd1 axb3+ 29. Nxb3 Bc4 30. Rb1 Bxb3+ 31. Rxb3 Qxb3+ 0-1

[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.15"]
[Round "7"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Nhat Huy1111"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2254"]
[BlackElo "2243"]
[PlyCount "120"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bg5 h6 5. Bh4 Bg4 6. c3 Nd7 7. Nbd2 Ngf6 8. Qb3 Nb6 9. 0-0-0 Qd7 10. Be2 Nh5 11. h3 Nf4 12. Rhe1 Bxf3 13. Nxf3 Nxg2 14. Rg1 Nf4 15. Bf1 Nxh3 16. Rh1 Nf4 17. Bg3 Nh5 18. a4 c6 19. a5 Nc8 20. Bc4 e6 21. d5 exd5 22. exd5 0-0 23. dxc6 bxc6 24. Ne5 Qc7 25. Nxg6 Nxg3 26. fxg3 d5 27. Nxf8 dxc4 28. Qxc4 Kxf8 29. Rhf1 Kg8 30. Qg4 Qxa5 31. Rf5 Qb6 32. Re5 Nd6 33. Rxd6 Qc7 34. Qd4 Bxe5 35. Qxe5 Qb6 36. Rd4 Rd8 37. Rg4+ Kf8 38. Qg7+ Ke7 39. Re4+ Kd7 40. Qxf7+ Kc8 41. Qe6+ Kc7 42. Qe5+ Kc8 43. Qf5+ Kc7 44. Qf4+ Kc8 45. Qg4+ Kc7 46. Rb4 Qe3+ 47. Kb1 Qd3+ 48. Ka2 Qd5+ 49. Ka3 Qd6 50. Qf5 Rd7 51. Qa5+ Kc8 52. g4 c5 53. Rb5 Rc7 54. Qa4 Rc6 55. Ra5 a6 56. Qc4 Kb7 57. Ka2 Qc7 58. Ra3 Ka7 59. Qe4 Rb6 60. Qd5 Qc6 1/2-1/2

[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.14"]
[Round "5"]
[White "Huynh, Quoc An"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B60"]
[WhiteElo "2245"]
[BlackElo "2254"]
[PlyCount "75"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. f4 Qb6 8. Bxf6 gxf6 9. Ndb5 0-0-0 10. Nd5 Qa5+ 11. c3 Re8 12. Nbc7 e6 13. b4 Qa3 14. Qc2 exd5 15. Nb5 Qa6 16. Nxd6+ Bxd6 17. Bxa6 bxa6 18. 0-0 dxe4 19. Qe2 Bc7 20. Qxa6+ Kb8 21. Kh1 Re6 22. Qc4 e3 23. Rae1 Nd8 24. f5 Re5 25. Qd4 Bc6 26. Rxe3 Rg8 27. Rg3 Rge8 28. Rg4 Re1 29. Qf2 R1e2 30. Qd4 h5 31. Rg7 R8e4 32. Qd3 R4e3 33. Qd1 h4 34. b5 Be4 35. Rg8 h3 36. Rxd8+ Kb7 37. Rg8 hxg2+ 38. Kg1 0-1

[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.14"]
[Round "6"]
[White "Phan, Minh Trieu"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2258"]
[BlackElo "2254"]
[PlyCount "77"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nbd2 e6 6. c3 cxd4 7. exd4 Nh5 8. Be5 f6 9. Nh4 g6 10. Bg3 Bh6 11. Bd3 Kf7 12. 0-0 f5 13. Nhf3 Nxg3 14. fxg3 Re8 15. Qc2 e5 16. dxe5 Nxe5 17. Nxe5+ Rxe5 18. Nf3 Re7 19. Kh1 Kg8 20. Rad1 Be6 21. Bc4 dxc4 22. Rxd8+ Rxd8 23. Re1 Rdd7 24. Qa4 Bf7 25. Rxe7 Rxe7 26. Qxa7 Be3 27. Qa8+ Kg7 28. h4 h6 29. Qd8 Bc5 30. h5 g5 31. Qc8 b6 32. Qxf5 Bxh5 33. b4 cxb3 34. axb3 Bd6 35. Nd4 Rf7 36. Qd5 Bb8 37. Nf5+ Kg6 38. Qe6+ Rf6 39. Ne7+ 1-0

[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.13"]
[Round "4"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Thanh Tri"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2254"]
[BlackElo "2246"]
[PlyCount "91"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bg5 Be7 4. Nbd2 Nd5 5. Bxe7 Nxe7 6. e4 d5 7. e5 0-0 8. Bd3 Ng6 9. g3 b6 10. h4 Ba6 11. Qe2 Bxd3 12. Qxd3 Nd7 13. h5 Nh8 14. Qe3 f6 15. exf6 Qxf6 16. Rh4 Rae8 17. Rf4 Qh6 18. Rxf8+ Rxf8 19. Qxh6 gxh6 20. 0-0-0 Nf7 21. Re1 Ng5 22. Nxg5 hxg5 23. f3 Rf6 24. Re3 Kf7 25. Kd1 Ke7 26. c4 Kd6 27. Ke2 c5 28. Rd3 h6 29. dxc5+ Nxc5 30. Ne4+ Nxe4 31. fxe4 Kc5 32. cxd5 exd5 33. Rxd5+ Kc6 34. b4 Rd6 35. b5+ Kc7 36. Rxd6 Kxd6 37. Kd3 Kc5 38. a4 Kd6 39. Kd4 Ke6 40. e5 Kf5 41. Kd5 Kg4 42. e6 Kxh5 43. e7 Kg4 44. e8Q Kxg3 45. Ke4 g4 46. Qh5 1-0

[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.12"]
[Round "3"]
[White "Hoang, Quoc Khanh"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2249"]
[BlackElo "2254"]
[PlyCount "147"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. c4 c6 6. b3 Nbd7 7. Bb2 Bd6 8. d3 h6 9. Nbd2 Qc7 10. a3 0-0 11. b4 a5 12. Qb3 axb4 13. axb4 e5 14. c5 Be7 15. Qc2 g5 16. e4 Bg6 17. exd5 Nxd5 18. Qb3 Bxc5 19. Rxa8 Rxa8 20. Nxe5 Nxe5 21. Bxe5 Bxf2+ 22. Rxf2 Qxe5 23. Bxd5 cxd5 24. Nf3 Qe6 25. Qc3 Qe3 26. Ne5 d4 27. Qc7 Ra2 28. Ng4 Rxf2 29. Nxe3 dxe3 30. Qb8+ Kh7 31. Qe5 Rf3 32. g4 Bxd3 33. Kg2 Rf4 34. Qxe3 Rxg4+ 35. Kf2 Rf4+ 36. Kg2 Be4+ 37. Kg1 h5 38. h3 h4 39. Qc5 Rf3 40. Qe7 Bd5 41. Qe5 Be6 42. Qe4+ Rf5 43. Qxb7 Kg7 44. b5 Rc5 45. b6 Bc8 46. Qe7 Rb5 47. Qc7 Rb3 48. Qd8 Kg6 49. Qd6+ Kg7 50. Qe5+ Kg6 51. Qe4+ Kg7 52. Qd4+ Kg6 53. Qc5 Rb1+ 54. Kf2 Rb2+ 55. Ke1 Bb7 56. Qd6+ f6 57. Qd3+ Kh6 58. Qd4 Rb1+ 59. Kf2 Be4 60. Qxf6+ Kh5 61. Qd4 Bd5 62. Qh8+ Kg6 63. Qe8+ Kf5 64. Qc8+ Ke5 65. Qc7+ Kd4 66. Qg7+ Kd3 67. Qg6+ Be4 68. Qd6+ Kc4 69. Ke3 Re1+ 70. Kd2 Rb1 71. Qe6+ Bd5 72. Qc8+ Kb5 73. b7 Rb2+ 74. Kc1 1-0

[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.12"]
[Round "2"]
[White "Nguyen, Duc Sang"]
[Black "Vo, Trong Binh"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2254"]
[BlackElo "2248"]
[PlyCount "69"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 c6 4. Bd3 Ne4 5. Bxe4 dxe4 6. Nc3 Qa5 7. Bf4 Bf5 8. Nge2 Nd7 9. 0-0 h5 10. Ng3 Bg4 11. Qd2 g5 12. b4 Qxb4 13. Bxg5 h4 14. Ngxe4 0-0-0 15. Bf4 f6 16. Rab1 Qa5 17. d5 Nb6 18. Nb5 Qa6 19. Nc5 Qxb5 20. Rxb5 cxb5 21. Qa5 e5 22. dxe6 Bxc5 23. Qxa7 Bxe6 24. Qb8+ Kd7 25. Qxb7+ Ke8 26. Qc6+ Kf7 27. Qxc5 Nc4 28. h3 Nd2 29. Re1 Rhg8 30. Qh5+ Ke7 31. Kh1 Bd5 32. e4 Be6 33. Qh7+ Ke8 34. e5 f5 35. Qh5+ 1-0

[Event "VIE-ch U20"]
[Site "Ho Chi Minh City"]
[Date "2022.07.11"]
[Round "1"]
[White "Le, Ngoc Hieu"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2244"]
[BlackElo "2254"]
[PlyCount "99"]
[EventDate "2022.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nc6 4. d4 Bg4 5. d5 Nd4 6. Be2 Bxf3 7. Bxf3 g6 8. Nc3 Bg7 9. Bg4 a6 10. Be3 h5 11. Bh3 b5 12. 0-0 b4 13. Ne2 Nxe2+ 14. Qxe2 Qc7 15. Rae1 Nf6 16. Bg5 0-0 17. f4 Nh7 18. Bh4 Rfe8 19. Bg3 Nf8 20. e5 f6 21. f5 h4 22. Bxh4 g5 23. e6 gxh4 24. Bg4 Bh6 25. Bh5 Reb8 26. Bf7+ Kg7 27. Qh5 Bg5 28. Re2 b3 29. a3 Nh7 30. g3 h3 31. Qxh3 Rh8 32. Qg4 Qa5 33. h4 Qa4 34. Rh2 Qa5 35. Rd1 Rab8 36. Kf1 Rbd8 37. Rd3 Qb6 38. Kg2 Rb8 39. Bg6 Qa5 40. Rc3 Qxc3 41. bxc3 b2 42. Rh1 b1Q 43. Rxb1 Rxb1 44. Bxh7 Rxh7 45. hxg5 Rhh1 46. gxf6+ Kxf6 47. Qg6+ Ke5 48. Kf3 Rhg1 49. Qg7+ Kxf5 50. g4+ 1-0

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.17"]
[Round "9"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Khac Truong"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "2261"]
[BlackElo "2253"]
[PlyCount "110"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. c4 e6 4. Nc3 Be7 5. Nf3 h6 6. Bh4 0-0 7. e3 b6 8. cxd5 Nxd5 9. Bxe7 Nxe7 10. Bd3 Bb7 11. 0-0 Nd7 12. Rc1 c5 13. Ne4 Bxe4 14. Bxe4 Rc8 15. Qe2 Nf6 16. Bb1 cxd4 17. Nxd4 Ned5 18. Rxc8 Qxc8 19. e4 Nf4 20. Qe3 e5 21. Nf5 Qd7 22. g3 Ng6 23. Qf3 Qd2 24. Rd1 Qxb2 25. Nxh6+ Kh7 26. Ng4 Nxg4 27. Qxg4 Kg8 28. h4 Qb4 29. h5 Ne7 30. Bc2 Kh7 31. Bb3 f5 32. Qg5 fxe4 33. Qxe5 Nc6 34. Qd5 Ne7 35. Qd4 Nc6 36. Qd5 Ne7 37. Qd4 Nc6 38. Qxb4 Nxb4 39. Rd4 Nd3 40. f4 Nc5 41. Bc2 Rf5 42. Rxe4 Rxh5 43. Re7+ Kg8 44. Bg6 Rf5 45. Bxf5 Kf8 46. Rxa7 Ke8 47. Rxg7 Kd8 48. Rd7+ Nxd7 49. g4 Ke7 50. g5 Nf8 51. Bh7 Nxh7 52. f5 Nxg5 53. f6+ Kxf6 54. a4 Ke5 55. a5 bxa5 0-1

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.16"]
[Round "8"]
[White "Le, Dang Thanh An"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2277"]
[BlackElo "2261"]
[PlyCount "106"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[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. Bf4 e6 5. e3 Bb4+ 6. Nbd2 Nbd7 7. a3 Ba5 8. Be2 0-0 9. Rc1 h6 10. 0-0 Bc7 11. Bxc7 Qxc7 12. Qc2 e5 13. cxd5 Nxd5 14. Qb3 Qb8 15. Bc4 exd4 16. Bxd5 cxd5 17. Nxd4 Nf6 18. Nb5 Qe5 19. Nf3 Qh5 20. Rc2 Bg4 21. Nbd4 b6 22. Rfc1 Rac8 23. Rxc8 Bxc8 24. Qa4 a6 25. Qc6 b5 26. Qa8 Bh3 27. Qxa6 Qg6 28. Ne1 Bd7 29. Qd6 Re8 30. Nef3 Qe4 31. h3 Kh7 32. Rc7 Rd8 33. Rc1 Re8 34. Kh2 Qg6 35. Kh1 Qh5 36. Nd2 Re5 37. N4f3 Re6 38. Qf4 g5 39. Qf5+ Kg7 40. Ne5 Rc6 41. Qb1 Bf5 42. e4 Nxe4 43. Nxc6 Nxf2+ 44. Kg1 Bxb1 45. Kxf2 Be4 46. Nd4 Qh4+ 47. g3 Qxh3 48. Nxe4 dxe4 49. Rg1 h5 50. b3 h4 51. a4 Qh2+ 52. Kf1 h3 53. axb5 Qd2 0-1

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.15"]
[Round "7"]
[White "Nguyen, Duc Sang"]
[Black "Ngo, Minh Quan"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2261"]
[BlackElo "2262"]
[PlyCount "61"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d6 6. Nd2 e5 7. d5 g6 8. Qa4+ Nd7 9. f3 Bg7 10. 0-0-0 0-0 11. h4 Nc5 12. Qc2 Bd7 13. g4 a5 14. Ne2 b5 15. Kb1 Rfb8 16. g5 hxg5 17. hxg5 Qxg5 18. Nc1 b4 19. cxb4 Rxb4 20. Nd3 Nxd3 21. Bxd3 Rab8 22. Nc4 Qf4 23. Qe2 a4 24. Rd2 Bb5 25. Rc2 Bxc4 26. Bxc4 Bh6 27. Qg2 Kg7 28. Re1 Bg5 29. Ka1 Rh8 30. b3 axb3 31. Bxb3 1/2-1/2

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.15"]
[Round "6"]
[White "Phan, Nguyen Dang Kha"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2266"]
[BlackElo "2261"]
[PlyCount "47"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 e5 7. 0-0 Nge7 8. c3 0-0 9. Nb3 f5 10. Bg5 h6 11. Bxe7 Qxe7 12. exf5 gxf5 13. Nh4 Kh7 14. f4 exf4 15. Rxf4 Qe3+ 16. Kh1 Ne5 17. Nc1 Ng4 18. Qf1 Be5 19. Rxg4 fxg4 20. Qxf8 Be6 21. Qe7+ Bg7 22. Be4+ Kh8 23. Ng6+ Kh7 24. Nb3 1-0

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.14"]
[Round "5"]
[White "Nguyen, Duc Sang"]
[Black "Pham, Quang Hung1111"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2261"]
[BlackElo "2272"]
[PlyCount "95"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bxf6 Bxf6 5. e5 Be7 6. Qg4 g6 7. h4 h5 8. Qg3 b6 9. Bd3 Bb7 10. Ne2 d5 11. Nf4 Kd7 12. Nd2 c5 13. c4 Kc8 14. cxd5 Bxd5 15. Nxd5 exd5 16. Rc1 Kb7 17. Qf4 Rf8 18. b4 cxb4 19. Nf3 a6 20. g4 hxg4 21. Qxg4 Qd7 22. Qf4 Nc6 23. h5 gxh5 24. Rxh5 Nd8 25. Rh7 Rc8 26. Rd1 Rc7 27. Ke2 Qa4 28. Rd2 b3 29. axb3 Qxb3 30. Qe3 b5 31. Ne1 Ne6 32. f4 Bb4 33. Rc2 Rfc8 34. Rxc7+ Rxc7 35. f5 Qb2+ 36. Kf1 Nf8 37. Rh8 Rc1 38. Rxf8 Bxf8 39. Qf3 Qa2 40. Qe3 Ra1 41. e6 Bb4 42. e7 Qh2 43. e8Q Qh1+ 44. Kf2 Bxe1+ 45. Qxe1 Qh4+ 46. Kf1 Qh1+ 47. Kf2 Qh4+ 48. Kf1 1/2-1/2

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.13"]
[Round "3"]
[White "Nguyen, Duc Sang"]
[Black "Ho, Thanh Hung"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "2261"]
[BlackElo "2268"]
[PlyCount "67"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 Nbd7 5. Nf3 c6 6. Qc2 Be7 7. e3 dxc4 8. Bxc4 Nd5 9. Bxe7 Qxe7 10. 0-0 0-0 11. Bd3 Nb4 12. Bxh7+ Kh8 13. Qb1 f5 14. Bg6 Qf6 15. Bxf5 Qxf5 16. e4 Qg6 17. Nh4 Qh5 18. g3 g5 19. Ng2 e5 20. Qd1 Qh3 21. f4 gxf4 22. a3 Nf6 23. Nxf4 exf4 24. Rxf4 Bg4 25. Qf1 Qh6 26. axb4 Nh5 27. Rxg4 Rxf1+ 28. Rxf1 Rf8 29. Rxf8+ Qxf8 30. Rh4 Qf3 31. g4 Qe3+ 32. Kg2 Qd2+ 33. Kh3 Qe3+ 34. Kg2 1/2-1/2

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.13"]
[Round "4"]
[White "Pham, Hai Minh"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2264"]
[BlackElo "2261"]
[PlyCount "72"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 e6 5. Nf3 dxc4 6. e4 b5 7. a4 Bb4 8. Bg5 h6 9. Bh4 g5 10. Nxg5 hxg5 11. Bxg5 Rg8 12. h4 Be7 13. axb5 cxb5 14. Nxb5 Nxe4 15. Bxe7 Qxe7 16. Qa4 Bd7 17. Qxc4 Bc6 18. Qc2 Qb4+ 19. Nc3 Qxd4 20. Rd1 Qc5 21. h5 Nxc3 22. bxc3 Qe5+ 23. Be2 Nd7 24. h6 Ke7 25. Qb2 Rxg2 26. Qb4+ Nc5 27. h7 Rg5 28. Rf1 Bf3 29. Rd2 Rb8 30. Qc4 Rg4 31. Qa2 Ra4 32. Qc2 Ra1+ 33. Rd1 Rxd1+ 34. Kxd1 Bxe2+ 35. Qxe2 Rd8+ 36. Ke1 Qxc3+ 0-1

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.12"]
[Round "2"]
[White "Nguyen, Lam Thien"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2258"]
[BlackElo "2261"]
[PlyCount "95"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 a6 5. b3 Nc6 6. Qd2 g6 7. Bb2 Bg7 8. 0-0-0 Nf6 9. f3 0-0 10. Nge2 b5 11. Nd5 Nxd5 12. exd5 Ne5 13. Kb1 Qb6 14. Qd4 Qxd4 15. Nxd4 Bb7 16. Be2 Bh6 17. Rhe1 Rfc8 18. g3 Bxd5 19. f4 Nc6 20. Nxb5 axb5 21. Rxd5 Rxa2 22. Kxa2 Nb4+ 23. Kb1 Nxd5 24. Bxb5 e6 25. c4 Nc7 26. Bc6 Rb8 27. Kc2 Na6 28. Bc3 Bg7 29. Rd1 Rb6 30. Bb5 Nc5 31. Ba5 Rb8 32. Rxd6 Nb7 33. Bc7 Rc8 34. Rd7 Ra8 35. Bb6 Ra2+ 36. Kd3 Rb2 37. Rxb7 Rxb3+ 38. Ke2 Rb2+ 39. Kf1 h5 40. Be8 Bd4 41. Bxf7+ Kh7 42. Bxe6+ Kh6 43. Bg8 Rb1+ 44. Ke2 Bg7 45. c5 Rb2+ 46. Kd3 Rxh2 47. c6 h4 48. Bd4 1-0

[Event "VIE-ch U20"]
[Site "Hanoi"]
[Date "2022.06.11"]
[Round "1"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Hoang Hiep"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2261"]
[BlackElo "2274"]
[PlyCount "36"]
[EventDate "2022.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 0-0 6. Bd3 a6 7. c5 b6 8. cxb6 cxb6 9. Ne5 Bb7 10. 0-0 Nbd7 11. f4 Ne4 12. Qf3 f5 13. g4 Nxe5 14. fxe5 Bb4 15. Bxe4 fxe4 16. Qg2 Rxf1+ 17. Kxf1 Qh4 18. Bd2 Bc6 1/2-1/2

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.31"]
[Round "7"]
[White "Harshad, S."]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1627"]
[BlackElo "1615"]
[PlyCount "37"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 h5 7. Bg5 Nbd7 8. Be2 Qc7 9. 0-0 b5 10. Nd5 Nxd5 11. exd5 Nf6 12. Bxf6 gxf6 13. Bf3 Bg7 14. Re1 0-0 15. Bxh5 Qc5 16. Nc6 e6 17. Ne7+ Kh7 18. Bxf7 Bh6 19. Qh5 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.31"]
[Round "8"]
[White "Nguyen, Duc Sang"]
[Black "Adireddy, Tarun"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "1615"]
[BlackElo "1452"]
[PlyCount "65"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Bd2 0-0 6. e3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. 0-0 Nbd7 10. Rc1 a6 11. Qe2 Re8 12. Rfd1 Bd6 13. h3 c5 14. dxc5 Nxc5 15. Bb1 Rc8 16. Nd4 Bb8 17. Bf5 Rc7 18. Qf3 Rce7 19. Nce2 Qd6 20. Ng3 g6 21. Bb1 Nfe4 22. Nf1 f5 23. Bb4 Qf6 24. Bxe4 dxe4 25. Qe2 Nd3 26. Bxe7 Nxc1 27. Bxf6 Nxe2+ 28. Nxe2 Kf7 29. Bc3 Re7 30. Bb4 Rc7 31. Rd8 Ba7 32. Nd4 Rc1 33. Rd7+ 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.31"]
[Round "9"]
[White "Villa, Robick Vohn K"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "1559"]
[BlackElo "1615"]
[PlyCount "77"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nc3 Nbd7 8. cxd5 cxd5 9. Ne5 e6 10. f4 a6 11. a4 b6 12. b4 Bb7 13. b5 Rc8 14. Qd3 a5 15. Ba3 Re8 16. Rac1 Nxe5 17. fxe5 Nd7 18. e3 f6 19. exf6 Bxf6 20. e4 dxe4 21. Bxe4 Bxe4 22. Nxe4 Rxc1 23. Rxc1 Kg7 24. Nd6 Rg8 25. Rc8 Qxc8 26. Nxc8 Rxc8 27. Qe4 Rd8 28. Bd6 Kf7 29. d5 e5 30. Bc7 Nc5 31. Qc4 Rd7 32. Bxb6 Nb7 33. Qc6 Ke7 34. Qe6+ Kf8 35. Qxf6+ Rf7 36. Qh8+ Ke7 37. Qxe5+ Kf8 38. d6 Nd8 39. Qh8# 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.30"]
[Round "5"]
[White "Lim, Jing Hng"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1446"]
[BlackElo "1615"]
[PlyCount "118"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 g6 5. Bd3 Bg7 6. h3 0-0 7. 0-0 Qb6 8. b3 Nbd7 9. Nbd2 Nh5 10. Bh2 f5 11. c4 Nhf6 12. Ng5 c5 13. cxd5 cxd4 14. Bc4 Kh8 15. exd4 Nb8 16. Ndf3 h6 17. Ne6 Bxe6 18. dxe6 Ne4 19. Ne5 Kh7 20. Rc1 Bxe5 21. Bxe5 Nc6 22. Qe2 Nxd4 23. Bxd4 Qxd4 24. Rfd1 Qf6 25. Rd7 Rad8 26. Qd3 Nc5 27. Rxd8 Nxd3 28. Rxf8 Qxf8 29. Bxd3 Qf6 30. Bc4 Qd4 31. Re1 a6 32. a4 Kg7 33. Re3 Kf6 34. Rd3 Qa1+ 35. Kh2 b5 36. axb5 axb5 37. Bd5 Qe5+ 38. Kg1 Qe1+ 39. Kh2 Qxf2 40. Rd1 h5 41. Bc6 Qc5 42. Bd7 b4 43. Rd3 h4 44. Rf3 Qe5+ 45. Kh1 Qe1+ 46. Kh2 g5 47. Bc8 Qe5+ 48. Kh1 Kg6 49. Bd7 Qe1+ 50. Kh2 g4 51. hxg4 fxg4 52. Rf7 Qe5+ 53. Kg1 g3 54. Kf1 Qe3 55. Rf3 Qc1+ 56. Ke2 Qc2+ 57. Ke3 Qxg2 58. Be8+ Kh6 59. Kf4 Qd2+ 0-1

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.30"]
[Round "6"]
[White "Nguyen, Duc Sang"]
[Black "Nagarkatte, Vedant"]
[Result "0-1"]
[ECO "D59"]
[WhiteElo "1615"]
[BlackElo "1248"]
[PlyCount "86"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bxe7 Qxe7 11. Bd3 c5 12. 0-0 Be6 13. Rc1 Nd7 14. h3 Rac8 15. Qe2 Rfd8 16. Rfd1 c4 17. Bb1 b5 18. Qc2 g6 19. Qd2 Kg7 20. a3 Rb8 21. e4 dxe4 22. Bxe4 Nf6 23. Bb1 b4 24. Ne5 bxa3 25. Nc6 Qd6 26. Nxb8 axb2 27. Qxb2 Rxb8 28. Qa1 Bd5 29. Qxa7 Qf4 30. Rc3 Rxb1 31. Rxb1 Qe4 32. f3 Qxb1+ 33. Kh2 Qe1 34. Qa3 Nh5 35. Re3 Qg3+ 36. Kh1 Nf4 37. Qb2 Nd3 38. Qd2 Nf2+ 39. Kg1 Nxh3+ 40. Kf1 Nf4 41. Re8 c3 42. Qe3 Bc4+ 43. Qe2 Bxe2+ 0-1

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.29"]
[Round "3"]
[White "Nguyen, Duc Sang"]
[Black "Chai, Chang Yik"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1615"]
[BlackElo "1312"]
[PlyCount "83"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 a6 5. a4 Bf5 6. Qb3 Ra7 7. c5 Nbd7 8. h3 Ne4 9. Bf4 g6 10. e3 Bg7 11. g4 Be6 12. Qc2 f5 13. Nxe4 fxe4 14. Nd2 0-0 15. Bg2 Rf7 16. 0-0 h6 17. Qb3 g5 18. Bg3 Nf8 19. f3 exf3 20. Rxf3 Ng6 21. Raf1 Bf6 22. Kh1 Qd7 23. Qd3 Kg7 24. R3f2 Ra8 25. Bf3 Rh8 26. Bd1 h5 27. gxh5 Bxh3 28. Qxg6+ Kf8 29. Rg1 e6 30. Rxf6 Bf5 31. Rxf7+ Qxf7 32. Bd6+ Ke8 33. Qxf7+ Kxf7 34. Rxg5 Rh7 35. Nf3 Be4 36. Kh2 Kf6 37. Be5+ Kf7 38. Bf4 Bf5 39. Ne5+ Ke7 40. Bg4 Be4 41. Ng6+ Kf7 42. Bxe6+ 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.29"]
[Round "1"]
[White "Nguyen, Duc Sang"]
[Black "Kbiruddin, Khalil Dailami Nusa"]
[Result "1-0"]
[ECO "D96"]
[WhiteElo "1615"]
[BlackElo "1052"]
[PlyCount "61"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 d5 4. Nc3 Bg7 5. Qb3 dxc4 6. Qxc4 c6 7. e4 Be6 8. Qb4 Qb6 9. Qa3 Qc7 10. Ng5 Qd6 11. Qa4 Qd7 12. Nxe6 Qxe6 13. e5 Nd5 14. Bc4 Nxc3 15. bxc3 Qd7 16. Qb3 e6 17. Ba3 b5 18. Be2 a5 19. 0-0 Bf8 20. Bxf8 Kxf8 21. a4 b4 22. Rfd1 Qe7 23. Bf3 Na6 24. Rac1 Rc8 25. Qc4 Nc7 26. cxb4 Qxb4 27. Qxb4+ axb4 28. Rxc6 Ke7 29. Rdc1 Kd7 30. Rd6+ Ke7 31. Bb7 1-0

[Event "Eastern Asia-ch U16"]
[Site "Tornelo INT"]
[Date "2021.10.29"]
[Round "2"]
[White "Vo, Pham Thien Phuc"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1880"]
[BlackElo "1615"]
[PlyCount "49"]
[EventDate "2021.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bg4 5. Qb3 Qc8 6. Bg2 Nbd7 7. Nc3 e6 8. Bf4 dxc4 9. Qxc4 Nd5 10. Bd2 N7f6 11. Ne5 Nxc3 12. bxc3 Bf5 13. Nxc6 bxc6 14. Qxc6+ Nd7 15. Qxa8 Qxa8 16. Bxa8 Ba3 17. e4 Bh3 18. Ke2 0-0 19. Bc6 Nb6 20. f3 Rc8 21. Bb5 f5 22. e5 Nd5 23. Bd7 Nxc3+ 24. Kd3 f4 25. Bxc8 1-0

[Event "VIE-ch U13"]
[Site "Hai Phong"]
[Date "2018.07.10"]
[Round "6"]
[White "Nguyen, Duc Sang"]
[Black "Dang, Hoang Quy Nhan"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1847"]
[BlackElo "1827"]
[PlyCount "90"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5 exd5 6. dxc5 Bxc5 7. e3 0-0 8. Nf3 Nc6 9. Be2 d4 10. exd4 Nxd4 11. 0-0 h6 12. Bh4 Nxf3+ 13. Bxf3 Qxd1 14. Raxd1 Nh7 15. Ne4 Bb6 16. Nd6 Ng5 17. Bxg5 hxg5 18. Rfe1 Be6 19. b3 a5 20. Bxb7 Ra7 21. Bc6 Rc7 22. Be4 Rc5 23. g3 Rd8 24. Kg2 g4 25. Rd2 Bc7 26. Red1 Re5 27. f3 Rxd6 28. Rxd6 Bxd6 29. Rxd6 g6 30. Kf2 gxf3 31. Kxf3 f5 32. Bd3 Kf7 33. Ra6 g5 34. h4 gxh4 35. gxh4 Rc5 36. h5 Rc3 37. Ke2 f4 38. h6 f3+ 39. Kd2 Rc5 40. h7 Rh5 41. Rxa5 Rh2+ 42. Ke3 f2 43. Ra8 Kg7 44. h8Q+ Rxh8 45. Rxh8 Kxh8 1-0

[Event "VIE-ch U13"]
[Site "Hai Phong"]
[Date "2018.07.09"]
[Round "5"]
[White "Dang, Tuan Linh"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1839"]
[BlackElo "1847"]
[PlyCount "61"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Bc4 Nf6 5. Nf3 e6 6. d3 Be7 7. 0-0 0-0 8. Qe1 d5 9. Bb3 a6 10. e5 Ne8 11. Ne2 f6 12. c3 fxe5 13. fxe5 Rxf3 14. Rxf3 Nxe5 15. Rh3 Ng6 16. Nf4 Nxf4 17. Bxf4 Nf6 18. Be5 Bd7 19. Bc2 Qb6 20. b3 Be8 21. d4 Bg6 22. Bxg6 hxg6 23. Qh4 Kf7 24. Rf1 cxd4 25. Bxd4 Qc7 26. Bxf6 gxf6 27. Qh7+ Ke8 28. Qg8+ Bf8 29. Rxf6 Qc5+ 30. Kh1 Qa3 31. Qxf8+ 1-0

[Event "VIE-ch U13"]
[Site "Hai Phong"]
[Date "2018.07.09"]
[Round "4"]
[White "Nguyen, Duc Sang"]
[Black "Do, Hoang Phuc"]
[Result "0-1"]
[ECO "D66"]
[WhiteElo "1847"]
[BlackElo "1829"]
[PlyCount "64"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 0-0 8. 0-0 h6 9. Bh4 Re8 10. Rc1 Nh5 11. Bxe7 Qxe7 12. Qe2 Nhf6 13. a3 a5 14. c5 e5 15. Nxe5 Nxe5 16. dxe5 Qxe5 17. Na4 Ng4 18. g3 Qh5 19. h4 g5 20. Nb6 gxh4 21. Qf3 hxg3 22. Qxg3 Kh8 23. Nxa8 Rg8 24. Be2 Qf5 25. e4 dxe4 26. Qh4 Nxf2+ 27. Bg4 Rxg4+ 28. Qxg4 Qxg4+ 29. Kxf2 Qf3+ 30. Kg1 Qg3+ 31. Kh1 Bg4 32. Rc3 Bf3+ 0-1

[Event "VIE-ch U13"]
[Site "Hai Phong"]
[Date "2018.07.08"]
[Round "3"]
[White "Pham, Cong Minh"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1858"]
[BlackElo "1847"]
[PlyCount "87"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bg4 5. Bg2 Nbd7 6. Nbd2 e6 7. 0-0 Be7 8. h3 Bh5 9. b3 0-0 10. Bb2 a5 11. a3 h6 12. Re1 Qb6 13. Rc1 Rfd8 14. Qc2 Bg6 15. Qc3 Rac8 16. cxd5 exd5 17. Ne5 Bf5 18. Qf3 Be6 19. Nxd7 Rxd7 20. Qd3 Rdc7 21. e3 Qa7 22. Rc2 b6 23. Rec1 c5 24. dxc5 Rxc5 25. Rxc5 bxc5 26. Bxf6 Bxf6 27. Bxd5 Rd8 28. e4 Bb2 29. Rc2 Bd4 30. Nc4 Bxd5 31. exd5 Rxd5 32. Qf3 Rd8 33. a4 Re8 34. Kg2 Qe7 35. Nxa5 Qe1 36. Nc6 Bf6 37. a5 Qb1 38. Re2 Rxe2 39. Qxe2 Qxb3 40. a6 Qa4 41. Qe8+ Kh7 42. a7 Qc4 43. a8Q Qd5+ 44. Kh2 1-0

[Event "VIE-ch U13"]
[Site "Hai Phong"]
[Date "2018.07.07"]
[Round "2"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Quang Duc"]
[Result "1-0"]
[ECO "D96"]
[WhiteElo "1847"]
[BlackElo "1819"]
[PlyCount "60"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 c6 7. e4 Nbd7 8. e5 Nb6 9. exf6 Nxc4 10. fxg7 Rg8 11. Bxc4 Rxg7 12. Be3 Bg4 13. Ne5 Be6 14. Bxe6 fxe6 15. 0-0 Qa5 16. Ne4 Qd5 17. Nc5 0-0-0 18. Ned3 g5 19. b4 b6 20. Nb3 Kb7 21. Rfe1 h6 22. Bd2 Qf5 23. Re3 Rd5 24. Rae1 Rd6 25. Rf3 Qh7 26. Ne5 Qc2 27. Rc3 Qf5 28. Rec1 Qe4 29. Nc4 Rd8 30. Nca5+ bxa5 1-0

[Event "VIE-ch U13"]
[Site "Hai Phong"]
[Date "2018.07.07"]
[Round "1"]
[White "Nguyen, Minh Dat"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1825"]
[BlackElo "1847"]
[PlyCount "132"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Nbd7 9. a4 Nb6 10. 0-0 Be7 11. a5 Nc4 12. Bxc4 Bxc4 13. Re1 0-0 14. Nd2 Be6 15. Nf3 Rc8 16. Bb6 Qd7 17. Nd5 Nxd5 18. exd5 Bf5 19. c3 Qb5 20. Qd2 Bg4 21. h3 Bxf3 22. gxf3 f5 23. f4 e4 24. Kh2 Bf6 25. Be3 Qe8 26. Rg1 Qh5 27. Rg2 Qf7 28. Rag1 g6 29. Rc1 Qc7 30. Bb6 Qc4 31. Rgg1 Bd8 32. Bxd8 Rfxd8 33. b4 Qb5 34. Qd4 Qc4 35. Qd2 Kf7 36. h4 Qb5 37. Rg3 Rg8 38. Rcg1 Qd7 39. Rh3 Qe7 40. Qe3 Rc4 41. Rd1 Rgc8 42. Rc1 Qc7 43. Qd2 Rxb4 44. cxb4 Qxc1 45. Qxc1 Rxc1 46. h5 Kg7 47. h6+ Kf6 48. Rb3 g5 49. b5 axb5 50. Rxb5 Rc7 51. Rb6 Rd7 52. fxg5+ Kxg5 53. Kg3 f4+ 54. Kh3 Kf5 55. Rb3 Ke5 56. Kg4 Rf7 57. Rb4 Kxd5 58. Rb5+ Kc4 59. Rf5 Rxf5 60. Kxf5 e3 61. fxe3 fxe3 62. Kf6 e2 63. Kg7 e1Q 64. Kxh7 Qxa5 65. Kg8 d5 66. h7 Qd8+ 0-1

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.29"]
[Round "9.28"]
[White "Vo, Pham Thien Phuc"]
[Black "Nguyen, Duc Sang"]
[Result "1/2-1/2"]
[ECO "B94"]
[WhiteElo "2005"]
[BlackElo "1601"]
[PlyCount "13"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 1/2-1/2

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.28"]
[Round "8.36"]
[White "Nguyen, Duc Sang"]
[Black "Le, Phi Long"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1601"]
[BlackElo "2013"]
[PlyCount "116"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 b6 6. Bg2 Bb7 7. 0-0 0-0 8. a3 Bxd2 9. Nbxd2 d5 10. Rc1 c5 11. cxd5 exd5 12. Re1 Nbd7 13. e3 Rac8 14. Nb1 Ne4 15. Nc3 Nxc3 16. Rxc3 Rfe8 17. Bh3 Rc7 18. Qc1 Nf6 19. Ne5 Ne4 20. Rc2 f6 21. Nd3 Bc8 22. Bxc8 Rexc8 23. dxc5 Nxc5 24. Nf4 Qf7 25. Qd1 Rd8 26. b4 Na6 27. Rd2 Rcd7 28. Qa4 Nb8 29. Red1 g5 30. Ne2 a5 31. bxa5 bxa5 32. Nd4 Ra7 33. Nf5 Kh8 34. e4 Rad7 35. Rxd5 Rxd5 36. Rxd5 Rxd5 37. exd5 Qd7 38. Qe4 Kg8 39. g4 Kf7 40. Qc4 a4 41. Qb4 Na6 42. Qb6 Nc7 43. Qb7 Ke8 44. Qb8+ Qd8 45. Qa7 Qd7 46. d6 Ne6 47. Qa8+ Nd8 48. Qe4+ Kf8 49. Qe7+ Qxe7 50. dxe7+ Ke8 51. exd8R+ Kxd8 52. Kf1 Kd7 53. Ke2 Ke6 54. Kd3 Kd5 55. f3 h5 56. h3 hxg4 57. fxg4 Ke5 58. Ke3 Kd5 1-0

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.28"]
[Round "7.43"]
[White "Vu, Ba Khoi"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2015"]
[BlackElo "1601"]
[PlyCount "56"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c6 2. g3 Nf6 3. Bg2 d5 4. cxd5 cxd5 5. d4 Nc6 6. Nc3 Bf5 7. a3 Qb6 8. e3 e6 9. Nge2 Bd6 10. 0-0 0-0 11. b4 Rac8 12. Bd2 a5 13. b5 Na7 14. Qb3 Rc4 15. Rfc1 Rfc8 16. Bf1 a4 17. Qb2 Bd3 18. Nf4 Bxf1 19. Kxf1 Bxf4 20. gxf4 h5 21. f3 Ne8 22. Ke2 Nd6 23. Rab1 g6 24. Be1 Naxb5 25. Nxa4 Qa6 26. Nc5 Nxd4+ 27. exd4 Rc2+ 28. Ke3 Qe2# 0-1

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.27"]
[Round "6.39"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Thanh Tuong"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1601"]
[BlackElo "1997"]
[PlyCount "152"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Be7 6. Bd3 Nbd7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bd3 h6 12. Qc2 b6 13. Bf4 Bb7 14. Rad1 Bd6 15. Be5 Qe7 16. Rfe1 Bb4 17. Nd2 Rad8 18. a3 Bd6 19. Bxf6 Qxf6 20. Ne4 Qe7 21. c5 Bc7 22. Bf1 Rd7 23. Qa4 b5 24. Qb3 a6 25. Re3 Rfd8 26. Qc3 Rd5 27. Ng3 Qg5 28. Rdd3 Bc8 29. Be2 Bf4 30. Bf3 Bxe3 31. fxe3 R5d7 32. Bxc6 Rc7 33. Bf3 Qe7 34. b4 f6 35. e4 Bb7 36. d5 exd5 37. exd5 Qd7 38. Qd4 Ba8 39. d6 Ra7 40. Bxa8 Raxa8 41. Qd5+ Qf7 42. c6 Qxd5 43. Rxd5 Kf7 44. Ne4 Ke6 45. Rd3 Ke5 46. Re3 Rxd6 47. Nxd6+ Kxd6 48. Rg3 Ra7 49. Rc3 Rc7 50. Rd3+ Kxc6 51. Rd8 Rd7 52. Rc8+ Kd5 53. Kf2 Re7 54. g4 Ke4 55. Rc3 Kf4 56. h3 Kg5 57. Kg3 f5 58. h4+ Kf6 59. gxf5 Kxf5 60. Kf3 g5 61. h5 Re4 62. Rc5+ Re5 63. Rc6 Re6 64. Rc5+ Re5 65. Rc6 g4+ 66. Kf2 Re6 67. Rc8 Kg5 68. Rc5+ Kh4 69. Rd5 Rf6+ 70. Kg2 Rc6 71. Rc5 Rd6 72. Re5 Rd2+ 73. Kg1 g3 74. a4 bxa4 75. b5 axb5 76. Rxb5 a3 0-1

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.26"]
[Round "4.17"]
[White "Luong, Phuong Hanh"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2133"]
[BlackElo "1601"]
[PlyCount "109"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Na6 6. a3 Bf5 7. Qa4 Qb6 8. Bc1 dxc4 9. Nbd2 Bg7 10. Nxc4 Qd8 11. Nce5 0-0 12. Qb3 Ne4 13. Qa4 c5 14. e3 cxd4 15. exd4 Nc7 16. Be2 Bxe5 17. Nxe5 Ne6 18. Be3 f6 19. Nd3 Nd6 20. 0-0 Kg7 21. Nc5 b6 22. Nxe6+ Bxe6 23. Bf3 Bd7 24. Qb3 Rc8 25. Rfe1 Nf5 26. Rad1 Be8 27. Qd3 Nd6 28. Bf4 Ba4 29. b3 Bb5 30. Qd2 Re8 31. h4 Nf5 32. h5 Bd7 33. h6+ Kh8 34. Bb7 g5 35. Bxc8 Bxc8 36. Bh2 Qd5 37. Qd3 Nxh6 38. Qc4 Qf5 39. d5 Bd7 40. Qe4 Kg7 41. Qxf5 Nxf5 42. Rc1 Kf8 43. Rc7 Rd8 44. Rxa7 h5 45. Bc7 Rc8 46. Bxb6 Be8 47. b4 Bf7 48. Bc5 Re8 49. Rd7 h4 50. a4 g4 51. b5 g3 52. fxg3 hxg3 53. b6 Kg8 54. b7 Rb8 55. Ba7 1-0

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.26"]
[Round "5.22"]
[White "Tran, Manh Tien"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2289"]
[BlackElo "1601"]
[PlyCount "85"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. e3 e6 5. Bd3 Nbd7 6. 0-0 Be7 7. Qc2 0-0 8. Nbd2 Re8 9. b3 b6 10. Ne5 Bb7 11. Ndf3 h6 12. cxd5 cxd5 13. Nc6 Bxc6 14. Qxc6 Rc8 15. Qa4 Bd6 16. Bb2 Qe7 17. Rac1 Nb8 18. Ne5 Qb7 19. b4 a6 20. b5 axb5 21. Bxb5 Rxc1 22. Rxc1 Rc8 23. f3 Rxc1+ 24. Bxc1 Bxe5 25. dxe5 Nfd7 26. Bb2 Qc7 27. Qd4 Nc6 28. Qc3 Nc5 29. h3 Ne7 30. a4 Nf5 31. Ba3 Qa7 32. a5 h5 33. e4 dxe4 34. fxe4 Nxe4 35. Qc8+ Kh7 36. a6 Nd4 37. Bd3 f5 38. exf6 b5 39. Bxe4+ Nf5+ 40. Bc5 Qf7 41. Bxf5+ exf5 42. fxg7 Qxg7 43. Qb7 1-0

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.25"]
[Round "3.38"]
[White "Nguyen, Duc Sang"]
[Black "Tran, Ngoc Minh Duy"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1601"]
[BlackElo "1217"]
[PlyCount "43"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. Nd2 Be7 8. Bxf6 Nxf6 9. Bd3 0-0 10. 0-0 Qc7 11. e4 e5 12. dxe5 Qxe5 13. exd5 Bd6 14. Nf3 Qh5 15. dxc6 Bg4 16. Bxh7+ Kxh7 17. Qxd6 bxc6 18. Nd2 Rad8 19. Qf4 Rh8 20. Nde4 Nxe4 21. Nxe4 f5 22. Ng3 1-0

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.24"]
[Round "2.17"]
[White "Lu, Chan Hung"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2259"]
[BlackElo "1601"]
[PlyCount "123"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. b3 d5 4. Bb2 Bg4 5. d3 Nbd7 6. Nbd2 e6 7. g3 Bxf3 8. Nxf3 Bb4+ 9. Nd2 Qb6 10. Qc2 Bc5 11. e3 e5 12. Be2 0-0 13. 0-0 Rfe8 14. Nf3 e4 15. d4 Bf8 16. Nd2 a5 17. a3 h6 18. Rfc1 Rec8 19. c5 Qd8 20. b4 axb4 21. axb4 Rxa1 22. Rxa1 Ra8 23. Qb1 Rxa1 24. Qxa1 Qb8 25. b5 cxb5 26. Bxb5 Be7 27. Qa4 Nf8 28. Bc3 Ne6 29. Ba5 Qc8 30. Be2 Ng5 31. Qb5 Kh7 32. h4 Ne6 33. f3 g5 34. fxe4 dxe4 35. Qb1 Qc6 36. Bf3 Kg8 37. Nxe4 Qa6 38. Nxf6+ Bxf6 39. Be1 gxh4 40. gxh4 Qa3 41. Qe4 Qc1 42. Kf2 Kf8 43. Be2 Qb2 44. Kf1 Qc1 45. Bh5 Ng7 46. Bf3 Ne6 47. Kf2 Qb2+ 48. Kg3 Nd8 49. Kh3 Qc1 50. Bg3 Kg7 51. Qg4+ Kh8 52. Qf4 Kg7 53. Be4 Ne6 54. Qg4+ Kf8 55. Qf3 Be7 56. Bxb7 Qb2 57. Bd5 Nd8 58. c6 Qb5 59. c7 Qd7+ 60. Kg2 Ne6 61. Bxe6 Qxe6 62. Qa8+ 1-0

[Event "VIE-chT"]
[Site "Ho Chi Minh City"]
[Date "2017.07.24"]
[Round "1.54"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Huynh Quoc Vy"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1601"]
[BlackElo "1992"]
[PlyCount "81"]
[EventDate "2017.07.24"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. Qe2 b6 9. e4 Qc7 10. e5 dxc4 11. Bxc4 Nd5 12. Bd3 h6 13. Bd2 Nxc3 14. bxc3 c5 15. Qe4 f5 16. exf6 Nxf6 17. Qg6 Kh8 18. Ne5 Bd6 19. Bf4 Bb7 20. Qg3 Bxe5 21. Bxe5 Qe7 22. Bd6 Qd7 23. Bxf8 Rxf8 24. dxc5 bxc5 25. Rad1 g5 26. Ba6 Qc6 27. Bxb7 Qxb7 28. Qh3 h5 29. Qxe6 Kg7 30. Qe5 Kh6 31. Rd6 Kg6 32. f4 Kh7 33. Qf5+ Kh8 34. Rxf6 Rxf6 35. Qxf6+ Kg8 36. fxg5 Qb8 37. Qg6+ Kh8 38. Rf7 Qb1+ 39. Qxb1 Kg8 40. g6 h4 41. Qb8# 1-0

[Event "Ho Chi Minh Pooltech op"]
[Site "Ho Chi Minh City"]
[Date "2017.01.15"]
[Round "8"]
[White "Nguyen, Duc Sang"]
[Black "Tran, Bao Dang Khoa"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1601"]
[PlyCount "55"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Bb4 6. Bd3 Nbd7 7. 0-0 0-0 8. Qc2 dxc4 9. Bxc4 Nb6 10. Bd3 Bxc3 11. bxc3 Qd6 12. e4 Qc7 13. e5 Nfd7 14. Bxh7+ Kh8 15. Ba3 Re8 16. Bd6 Qd8 17. Bd3 f6 18. Bg6 Nc4 19. Bxe8 Qxe8 20. Rfe1 Nxd6 21. exd6 Nb6 22. c4 Bd7 23. Re4 Kg8 24. Rh4 f5 25. Ne5 Rd8 26. Qb3 Bc8 27. Qh3 g6 28. Rh8+ 1-0

[Event "Ho Chi Minh Pooltech op"]
[Site "Ho Chi Minh City"]
[Date "2017.01.15"]
[Round "9"]
[White "Nguyen, Truong Bao Tran"]
[Black "Nguyen, Duc Sang"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1996"]
[BlackElo "1601"]
[PlyCount "94"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. Bd3 Nbd7 9. 0-0 c5 10. Qe2 cxd4 11. exd4 b6 12. Rfd1 Bb7 13. Ne5 Re8 14. h3 Nf8 15. Ndf3 Ne4 16. Rac1 f6 17. Ng4 Ng6 18. Qe3 h5 19. Ngh2 f5 20. Nf1 Qf6 21. N1d2 f4 22. Qe2 Nxd2 23. Rxd2 dxc4 24. Bxc4 Bxf3 25. Qxf3 Qg5 26. Bxe6+ Kh8 27. Qd5 Qh6 28. f3 Rad8 29. Qc4 Ne5 30. Qc3 Nxf3+ 31. Qxf3 Rxe6 32. Rf1 Rf8 33. d5 Re3 34. Qxe3 fxe3 35. Rxf8+ Kh7 36. Re2 Qd6 37. Rf1 Kg6 38. Rf3 Qxd5 39. Rfxe3 Kh7 40. Re8 Qd4+ 41. Kh1 Kh6 42. R8e6+ g6 43. Re7 Qd1+ 44. Re1 Qd2 45. R7e2 Qd4 46. Re6 Qf2 47. R6e2 Qf4 1/2-1/2

[Event "Ho Chi Minh Pooltech op"]
[Site "Ho Chi Minh City"]
[Date "2017.01.14"]
[Round "6"]
[White "Nguyen, Duc Sang"]
[Black "Dang, Hoang Son"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1601"]
[BlackElo "2359"]
[PlyCount "80"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 Nf6 5. e4 0-0 6. Be2 Bg4 7. h3 Bxf3 8. Bxf3 Nfd7 9. 0-0 Nc6 10. Be3 e5 11. d5 Nd4 12. Bxd4 exd4 13. Nb5 d3 14. Qxd3 Bxb2 15. Rab1 Bg7 16. Be2 Nc5 17. Qc2 a6 18. Na3 Qh4 19. Bf3 Be5 20. Qe2 Rae8 21. Rfe1 f5 22. exf5 Bh2+ 23. Kxh2 Rxe2 24. Rxe2 Rxf5 25. Rbe1 Nd3 26. Re8+ Rf8 27. Rxf8+ Kxf8 28. Rf1 Qf4+ 29. Kh1 Qd2 30. Nb1 Qb2 31. Be4 Nc5 32. Bf3 Qxa2 33. Rd1 Qxc4 34. Nd2 Qc2 35. Kg1 a5 36. Nf1 a4 37. Ne3 Qb3 38. Ra1 a3 39. Bd1 Qb2 40. Nc2 a2 0-1

[Event "Ho Chi Minh Pooltech op"]
[Site "Ho Chi Minh City"]
[Date "2017.01.08"]
[Round "4"]
[White "Nguyen, Duc Sang"]
[Black "Ly, Nguyen Ngoc Chau"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1601"]
[PlyCount "87"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. e3 Bd6 6. Bd3 Nbd7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bd3 c5 12. dxc5 Bxc5 13. Qc2 h6 14. Rd1 Qc7 15. Qc3 b6 16. Bxh6 Be7 17. Bg5 Bb7 18. Bc2 Rac8 19. Rac1 Rfd8 20. Nd4 Ne4 21. Bxe4 Bxe4 22. Bxe7 Qxe7 23. Qe3 Bb7 24. b3 Qf6 25. Nb5 Qg6 26. f3 Rxd1+ 27. Rxd1 Qc2 28. Rd2 Qb1+ 29. Kf2 Ra8 30. Nd6 Bc6 31. Qf4 Qg6 32. Ne4 Bxe4 33. fxe4 Rc8 34. Rd7 a5 35. Rd6 b5 36. Qh4 Qh6 37. Qxh6 gxh6 38. cxb5 Rc2+ 39. Kf3 Rxa2 40. b6 Rb2 41. Rd3 a4 42. b7 a3 43. b8Q+ Kh7 44. Qe5 1-0

[Event "Ho Chi Minh Pooltech op"]
[Site "Ho Chi Minh City"]
[Date "2017.01.08"]
[Round "5"]
[White "Nguyen, Linh Dan"]
[Black "Nguyen, Duc Sang"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1246"]
[BlackElo "1601"]
[PlyCount "127"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Kh1 Qc7 9. f4 b5 10. a3 Bb7 11. Bf3 Nbd7 12. Nb3 0-0 13. Be3 Rfd8 14. Qe2 Rac8 15. Rac1 Qb8 16. Rfd1 Rxc3 17. bxc3 Bxe4 18. Bxe4 Nxe4 19. Qd3 d5 20. Rf1 Rc8 21. Bd4 Nb6 22. Be5 Qa8 23. Nd2 Bxa3 24. Nxe4 dxe4 25. Qg3 Bf8 26. f5 exf5 27. Rxf5 Qc6 28. Rcf1 Nc4 29. Bd4 Rc7 30. Rc5 Qxc5 31. Bxc5 Rxc5 32. Qf4 f5 33. g4 g6 34. Qg5 e3 35. Qf6 Re5 36. gxf5 e2 37. Re1 Be7 38. Qxa6 Bh4 39. f6 Kf7 40. Qb7+ Kxf6 41. Qf3+ Rf5 42. Qc6+ Kg7 43. Rxe2 Kh6 44. Qe4 Bf6 45. Qg4 Kg7 46. Qg3 Be5 47. Qg2 Bf6 48. Rf2 Re5 49. Qb7+ Be7 50. Qf3 Rf5 51. Qe2 Re5 52. Qd3 Bc5 53. Re2 Rf5 54. Re1 Bd6 55. Qd4+ Kh6 56. Qh4+ Rh5 57. Qf2 Rxh2+ 58. Qxh2+ Bxh2 59. Kxh2 Kg5 60. Re7 h5 61. Rb7 Na3 62. Kg3 Kh6 63. Rb6 Kg5 64. Kh3 1/2-1/2

[Event "Ho Chi Minh Pooltech op"]
[Site "Ho Chi Minh City"]
[Date "2017.01.07"]
[Round "3"]
[White "Duong, Thuong Cong"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2054"]
[BlackElo "1601"]
[PlyCount "143"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 e6 6. Nf3 a6 7. Bd3 Be7 8. 0-0 Qc7 9. Be3 b5 10. Rc1 Qd8 11. e5 Nfd7 12. exd6 Bxd6 13. Be4 Ra7 14. d5 Nc5 15. Nxb5 axb5 16. Bxc5 Bxc5 17. Rxc5 0-0 18. Bb1 Nd7 19. Rc3 Nf6 20. dxe6 Bxe6 21. Rd3 Qb8 22. Nd4 Bd5 23. Rg3 Kh8 24. Qc1 Ra4 25. Nf5 Nh5 26. Qg5 g6 27. Rh3 Qe5 28. Qh6 Rg8 29. Ng3 Qf4 30. Rxh5 Qxh6 31. Rxh6 Kg7 32. b3 Rb4 33. Rh3 Be6 34. a3 Rxb3 35. Rh4 Bc4 36. Ba2 Rxa3 37. Bxc4 Ra4 38. Rc1 Rc8 39. Ne2 Rcxc4 40. Rhxc4 bxc4 41. f3 Kf6 42. Kf2 Ke5 43. Ke3 Ra3+ 44. Rc3 Ra4 45. Rc2 Ra3+ 46. Nc3 g5 47. g3 f5 48. f4+ gxf4+ 49. gxf4+ Kd6 50. Kd4 Ra1 51. Rf2 Ke6 52. Kxc4 Kf6 53. Kd4 Rg1 54. Ra2 Re1 55. Ra6+ Kf7 56. Nd5 Re2 57. Rf6+ Kg7 58. Rxf5 Rxh2 59. Rg5+ Kf7 60. Ke5 h5 61. Kf5 h4 62. Rh5 h3 63. Kg4 Rd2 64. Kxh3 Ke6 65. Re5+ Kf7 66. Kg4 Rg2+ 67. Kf5 Rh2 68. Re7+ Kf8 69. Ra7 Rh5+ 70. Ke6 Rh6+ 71. Nf6 Rg6 72. Rf7# 1-0

[Event "Ho Chi Minh Pooltech op"]
[Site "Ho Chi Minh City"]
[Date "2017.01.07"]
[Round "2"]
[White "Nguyen, Duc Sang"]
[Black "Hoang, Le Minh Bao"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1601"]
[PlyCount "65"]
[EventDate "2017.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Bd3 Nbd7 7. 0-0 e5 8. Bc2 Nh5 9. d5 Nb6 10. Qe2 f5 11. a4 Bd7 12. a5 Nc8 13. exf5 Bxf5 14. Bxf5 Rxf5 15. Ne4 Rf8 16. Nfg5 Qd7 17. Ne6 Re8 18. Bg5 h6 19. Be3 Kh7 20. Qg4 Qe7 21. Qh3 Nf4 22. Bxf4 exf4 23. Qg4 g5 24. h4 gxh4 25. Qxf4 Rg8 26. Qf5+ Kh8 27. Nf4 Bxb2 28. Rab1 Qg7 29. Rxb2 Qxb2 30. Nf6 Kg7 31. Qg6+ Kf8 32. Qe8+ Kg7 33. N4h5+ 1-0

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.13"]
[Round "9"]
[White "Nguyen, Duc Sang"]
[Black "Truong, Tran Loan Ngoc"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1587"]
[PlyCount "100"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. cxd5 Nf6 5. dxc6 Nxc6 6. Nf3 e6 7. Bg5 Bb4 8. e3 Qa5 9. Qb3 Ne4 10. Rc1 Bg4 11. Bh4 Bxf3 12. gxf3 Qh5 13. fxe4 Qxh4 14. Bd3 0-0 15. a3 Bxc3+ 16. bxc3 b6 17. Ke2 Rad8 18. Rcg1 Rc8 19. Rg2 Rc7 20. Rhg1 g6 21. f4 Rfc8 22. f5 Na5 23. Qa2 exf5 24. exf5 Kg7 25. fxg6 Qh5+ 26. Kd2 hxg6 27. Rf2 Nc4+ 28. Bxc4 Rxc4 29. Rgf1 f5 30. Rc1 Qg5 31. Qb3 Qh4 32. Re2 Qe4 33. Qb5 R8c7 34. a4 f4 35. Qg5 f3 36. Rf2 Rxa4 37. Rc2 Rf7 38. Qb5 Ra5 39. Qd3 Qh4 40. Kc1 Rg5 41. c4 Qh3 42. c5 Rg2 43. c6 Qxh2 44. Qf1 Qg3 45. Kb2 Qd6 46. Rxg2 fxg2 47. Qxg2 Qb4+ 48. Kc1 Qe1+ 49. Kb2 Qb4+ 50. Ka1 Qa3+ 1/2-1/2

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.12"]
[Round "8"]
[White "Lee, Jun Wei"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1909"]
[BlackElo "1587"]
[PlyCount "97"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 a6 8. Ne5 e6 9. Qa4 Qc8 10. Rc1 Be7 11. Be2 0-0 12. 0-0 Qe8 13. Nxc6 bxc6 14. b4 Qd7 15. a3 Rfc8 16. Rfd1 Qb7 17. Rd2 Nd7 18. Qd1 h6 19. Na4 g5 20. Bg3 Nf6 21. f3 Bg6 22. Rb2 h5 23. h4 Nh7 24. hxg5 Nxg5 25. Be5 Nh7 26. Qd2 Rd8 27. Qc3 f6 28. Bf4 Be8 29. e4 Qa7 30. Nc5 Bxc5 31. bxc5 Qg7 32. e5 f5 33. Qe3 Rab8 34. Rcb1 Qa7 35. Rb6 a5 36. a4 Rxb6 37. Rxb6 Qc7 38. Qb3 Rd7 39. Rb8 Rd8 40. Rb7 Qc8 41. Qb6 Kh8 42. Ba6 Qa8 43. Bd2 Nf8 44. Bxa5 Rc8 45. Ra7 Qb8 46. Bxc8 Qxc8 47. Qc7 Qxc7 48. Rxc7 Bd7 49. Bd2 1-0

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.12"]
[Round "7"]
[White "Nguyen, Duc Sang"]
[Black "Dang, Anh Minh"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1587"]
[PlyCount "103"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 Nbd7 11. Qe2 c5 12. Rac1 c4 13. Bb1 a6 14. a4 Rc8 15. Bf5 Rc7 16. Bg3 Rc8 17. Ne5 Bc6 18. e4 Nxe4 19. Nxe4 dxe4 20. Rxc4 Nxe5 21. Bxe5 Bd7 22. Qg4 f6 23. Bxd7 Rxc4 24. Be6+ Kh8 25. Bxc4 fxe5 26. dxe5 Qd4 27. Qe2 Qxe5 28. Bxa6 Bd6 29. g3 Bc5 30. Bb7 Re8 31. Kg2 Re7 32. Bc6 Qe6 33. Bb5 Qd5 34. Rd1 Qa8 35. Bc4 Qf8 36. b3 Re8 37. Rd7 Qf5 38. Rf7 Qe5 39. Rd7 Rf8 40. Rf7 Rd8 41. Qg4 e3 42. fxe3 Bxe3 43. Qf3 Rd2+ 44. Kh3 Kh7 45. Rf5 Qe7 46. Rf7 Qe5 47. Rf8 Rf2 48. Bg8+ Kh8 49. Bf7+ Kh7 50. Rh8+ Kxh8 51. Qa8+ Kh7 52. Qg8# 1-0

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.11"]
[Round "6"]
[White "Doan, Thi Hong Nhung"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "A94"]
[WhiteElo "1921"]
[BlackElo "1587"]
[PlyCount "67"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 f5 5. g3 Nf6 6. Bg2 Bd6 7. b3 Ne4 8. 0-0 Nd7 9. Ba3 Bxa3 10. Nxa3 0-0 11. Nb1 b6 12. Qc2 Ba6 13. Rd1 Rc8 14. Nc3 Nd6 15. Ne5 Qe8 16. Qb2 Nf6 17. Qa3 Bb7 18. Qxd6 c5 19. dxc5 Rxc5 20. Na4 Rc8 21. Rac1 Kh8 22. Nc3 Ne4 23. Qd7 Nxc3 24. Rxc3 Qxd7 25. Nxd7 Rf7 26. Ne5 Rfc7 27. Rdc1 g6 28. f4 Ba6 29. Kf2 Kg7 30. a4 b5 31. axb5 Bxb5 32. c5 Kf6 33. Bf1 Bxf1 34. Kxf1 1-0

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.10"]
[Round "5"]
[White "Nguyen, Duc Sang"]
[Black "Phan, Thi Trac Van"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1587"]
[BlackElo "1785"]
[PlyCount "69"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Bb4 6. Bd3 Qa5 7. Bd2 dxc4 8. Bxc4 Nd5 9. Qb3 0-0 10. e4 Nxc3 11. bxc3 Be7 12. 0-0 b5 13. Bd3 Qd8 14. Bf4 Nd7 15. Qc2 f6 16. a4 b4 17. cxb4 Bb7 18. Qb3 Kf7 19. Qxe6+ Ke8 20. Qb3 Rf7 21. Bc4 Rf8 22. Bg8 c5 23. Bxh7 Qb6 24. dxc5 Nxc5 25. Bg6+ Kd8 26. Rad1+ Nd7 27. Rxd7+ Kxd7 28. Rd1+ Bd6 29. Bf5+ Kc7 30. Bxd6+ Qxd6 31. Rxd6 Kxd6 32. Qe6+ Kc7 33. Qd7+ Kb6 34. a5+ Ka6 35. Qd3# 1-0

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.10"]
[Round "4"]
[White "Nguyen, Thi Kim Tuyen"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "1587"]
[PlyCount "104"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 Bg4 5. Nbd2 Nbd7 6. h3 Bh5 7. b3 e6 8. Bb2 Bd6 9. c4 0-0 10. 0-0 Re8 11. Be2 Bxf3 12. Bxf3 e5 13. cxd5 cxd5 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Rb8 17. Qf3 Qf6 18. Bxb7 exd4 19. Bc6 Qe5 20. g3 Red8 21. Rfe1 Qc5 22. Bxd7 Rxd7 23. Rac1 Qg5 24. Re4 Bf8 25. Rd1 Qa5 26. a3 Rbd8 27. b4 Qb6 28. Qg4 d3 29. Re5 Rd5 30. Rxd5 Rxd5 31. Qc4 Qd8 32. Bc3 Be7 33. f4 Rd7 34. Qe4 Bf8 35. Kg2 h6 36. Kf3 Qc8 37. Bd4 Re7 38. Qxd3 Qxh3 39. Rg1 Qh5+ 40. Kf2 Rd7 41. Qc4 a5 42. Bc3 Qf5 43. Be1 Re7 44. Kf3 Qb1 45. b5 Rxe1 46. Rxe1 Qxe1 47. b6 Qe7 48. Qc8 Qxa3+ 49. Kg4 h5+ 50. Kh3 Qf3 51. Kh4 Qg4+ 52. Qxg4 hxg4 0-1

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.09"]
[Round "3"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Phuoc Tam"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1587"]
[BlackElo "2047"]
[PlyCount "92"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 Be7 5. Nc3 0-0 6. e3 b6 7. cxd5 exd5 8. Ne5 Bb7 9. Qc2 h6 10. Bh4 Nbd7 11. Nxd7 Qxd7 12. Bb5 Qg4 13. Bg3 c5 14. Rd1 c4 15. Qb1 Nh5 16. 0-0 Nxg3 17. hxg3 a6 18. Ba4 b5 19. Bc2 f5 20. a3 h5 21. Rde1 h4 22. Bd1 Qg5 23. gxh4 Qxh4 24. g3 Qf6 25. Bf3 Qf7 26. Kg2 g6 27. Rh1 Kg7 28. Rh2 Rh8 29. Reh1 Rxh2+ 30. Rxh2 Bf6 31. Qh1 Kg8 32. Kf1 Rd8 33. Ke2 Bc6 34. Na2 a5 35. Qe1 Ra8 36. Bg2 Bxd4 37. Qd2 Bf6 38. Nc3 Rd8 39. Na2 d4 40. Bxc6 c3 41. Qd3 dxe3 42. Qxb5 Qxa2 43. Kf3 cxb2 44. Qb7 b1Q 45. Qh7+ Kf8 46. Qxg6 Qd1+ 0-1

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.08"]
[Round "1"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Huu Hoang Anh"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1587"]
[BlackElo "2056"]
[PlyCount "80"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 c5 2. d5 g6 3. Nf3 Bg7 4. c4 d6 5. Qc2 Nf6 6. Nc3 Na6 7. a3 Nc7 8. e4 0-0 9. Bd3 Rb8 10. 0-0 Bg4 11. Ne1 a6 12. a4 Bd7 13. Qe2 e6 14. Bf4 e5 15. Bg5 h6 16. Bxf6 Qxf6 17. Nc2 Qg5 18. Kh1 f5 19. f3 f4 20. b3 Qh5 21. Qd1 g5 22. Be2 Ne8 23. h3 Nf6 24. Kh2 Rf7 25. Ne1 Qh4 26. Nd3 Nh5 27. Nf2 Ng3 28. Re1 h5 29. Kg1 Bh6 30. Rb1 Rbf8 31. b4 g4 32. hxg4 hxg4 33. bxc5 Nxe2+ 34. Qxe2 g3 35. Nh3 Bxh3 36. gxh3 g2 37. Qf2 Qxh3 38. Qxg2+ Rg7 39. Qxg7+ Bxg7 40. cxd6 Qg3+ 0-1

[Event "Ho Chi Minh City HD Bank op-B 6th"]
[Site "Ho Chi Minh City"]
[Date "2016.03.08"]
[Round "2"]
[White "Nguyen, Minh Trong"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "C70"]
[BlackElo "1587"]
[PlyCount "72"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 d6 6. c3 Bd7 7. d3 h6 8. Nbd2 Nge7 9. Re1 0-0 10. Nf1 f5 11. Bb3+ Kh8 12. exf5 Bxf5 13. Ng3 Bg4 14. h3 Bxf3 15. gxf3 Ng6 16. Nf1 Nh4 17. f4 Qd7 18. Kh2 Bxf2 19. Re2 Bb6 20. Be3 exf4 21. Bxb6 cxb6 22. d4 Nf3+ 23. Kg2 Ng5 24. Kg1 Nxh3+ 25. Kh1 f3 26. Rh2 Ng5 27. Qe1 Rae8 28. Qh4 Re2 29. Ng3 Rxh2+ 30. Kxh2 Ne7 31. Bc2 f2 32. Kg2 Nd5 33. Nf1 Nf4+ 34. Kg3 Ne2+ 35. Kh2 Nf3+ 36. Kh1 Nxh4 0-1

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.18"]
[Round "9"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Tran Minh Nhat"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "1595"]
[BlackElo "1474"]
[PlyCount "115"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Bg5 Be7 5. Nc3 0-0 6. e3 h6 7. Bh4 Nc6 8. Bd3 b6 9. cxd5 Nxd5 10. Bxe7 Ncxe7 11. Nxd5 exd5 12. 0-0 Bf5 13. Rc1 Bxd3 14. Qxd3 Ng6 15. Rc6 a5 16. Rfc1 Ra7 17. Qc3 Ne7 18. Rxc7 Rxc7 19. Qxc7 Qxc7 20. Rxc7 Rc8 21. Rxc8+ Nxc8 22. Kf1 Kf8 23. Ne5 Ke7 24. Ke2 f6 25. Nd3 Kd6 26. Kd2 g5 27. f3 Kc6 28. e4 Nd6 29. Nf2 Nc4+ 30. Kc3 Ne3 31. g3 h5 32. exd5+ Nxd5+ 33. Kd2 f5 34. Nd3 Kd6 35. Ne5 Ke6 36. a3 a4 37. Kd3 b5 38. h3 f4 39. g4 h4 40. Ke4 Ne3 41. Nd3 Nd1 42. d5+ Kd6 43. Kf5 Kxd5 44. Kxg5 b4 45. Nxf4+ Kc4 46. Kxh4 Nxb2 47. g5 bxa3 48. g6 a2 49. g7 a1Q 50. g8Q+ Kc3 51. Qc8+ Kd2 52. Qd7+ Ke3 53. Ng2+ Ke2 54. Qe6+ Kf2 55. Qe3+ Kxg2 56. Qe2+ Kg1 57. Kg3 Qf1 58. Qh2# 1-0

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.17"]
[Round "7"]
[White "Dang, Tri Nang"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1481"]
[BlackElo "1595"]
[PlyCount "69"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. c4 c6 7. Nc3 Nbd7 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 Be7 11. b4 a6 12. b5 0-0 13. b6 Ne4 14. Nxe4 Bxe4 15. b4 Bf6 16. Bb2 a5 17. bxa5 Nxc5 18. Ra3 Nd7 19. Rfa1 Bxf3 20. Bxf3 e5 21. Bg4 Nb8 22. dxe5 Be7 23. Rd3 Na6 24. e6 fxe6 25. Bxe6+ Kh8 26. Bc3 Nc5 27. Re3 Bg5 28. f4 Bxf4 29. gxf4 Rae8 30. Bb4 Rf6 31. Bxc5 Rfxe6 32. Rxe6 Rxe6 33. a6 bxa6 34. b7 Re8 35. Bd6 1-0

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.17"]
[Round "8"]
[White "Nguyen, Duc Sang"]
[Black "Le, Tri Kien"]
[Result "0-1"]
[ECO "D59"]
[WhiteElo "1595"]
[BlackElo "1495"]
[PlyCount "108"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. e4 Nxc3 11. bxc3 Bb7 12. Bd3 Rd8 13. 0-0 c5 14. Qc2 cxd4 15. Nxd4 Nd7 16. f3 Rac8 17. Qe2 Qc5 18. Kh1 Qxc3 19. Nb5 Qa5 20. Nd6 Rb8 21. Nc4 Qc5 22. Rac1 Qe7 23. e5 Nc5 24. Bb1 Ba6 25. Qc2 Nd3 26. Nd6 g6 27. f4 Nxc1 28. Rxc1 Rxd6 29. exd6 Qxd6 30. Qf2 Rc8 31. Re1 Rc4 32. g3 Bb7+ 33. Kg1 Qd4 34. Qxd4 Rxd4 35. Kf2 Rd2+ 36. Re2 Rxe2+ 37. Kxe2 Kf8 38. Ke3 Ke7 39. Kd4 Kd6 40. Bc2 Bd5 41. a3 a5 42. Bd3 Bc6 43. Bc2 Be8 44. Bb1 f6 45. Be4 e5+ 46. fxe5+ fxe5+ 47. Kd3 b5 48. h3 g5 49. Bh7 Bc6 50. Bg6 Kc5 51. Bf7 Bd5 52. Be8 b4 53. axb4+ Kxb4 54. Bd7 a4 0-1

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.16"]
[Round "6"]
[White "Tran, Dang Minh Quang"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1464"]
[BlackElo "1595"]
[PlyCount "122"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e5 6. 0-0 Ne7 7. d3 Nbc6 8. f4 0-0 9. Be3 Nd4 10. Qd2 f5 11. Nd5 Nxd5 12. exd5 b6 13. Rae1 Bb7 14. c3 Nxe2+ 15. Rxe2 Qd7 16. d4 cxd4 17. cxd4 Ba6 18. dxe5 dxe5 19. fxe5 Bxe5 20. d6 Rae8 21. Qd5+ Rf7 22. Rd2 Bxf1 23. Bxf1 Qxd6 24. Qxd6 Bxd6 25. Rxd6 Rxe3 26. Bc4 Kg7 27. Bxf7 Kxf7 28. Rd7+ Re7 29. Rd2 h6 30. Kf2 a5 31. b3 Kf6 32. Rc2 Re6 33. Rd2 Ke5 34. Kf3 g5 35. Re2+ Kf6 36. Rd2 h5 37. Rc2 Ke5 38. Re2+ Kd5 39. Rd2+ Kc5 40. Kf2 b5 41. Rc2+ Kb4 42. Rd2 Re5 43. Rc2 a4 44. bxa4 bxa4 45. Kf3 Ka3 46. h3 Rb5 47. Rc4 g4+ 48. hxg4 fxg4+ 49. Ke3 Rb4 50. Rc2 Rb2 51. Rc5 Kxa2 52. Rxh5 a3 53. Rh4 Rb4 54. Rh2+ Kb3 55. Rd2 a2 56. Rd3+ Kb2 57. Rd2+ Ka3 58. Rd1 Rb1 59. Rd3+ Kb4 60. Rd4+ Kc5 61. Rxg4 a1Q 0-1

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.15"]
[Round "5"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Lam Tung"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "1595"]
[BlackElo "1449"]
[PlyCount "106"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 c5 2. d5 e6 3. c4 Nf6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bf4 a6 8. a4 Bg7 9. Bd3 0-0 10. Nf3 Bg4 11. h3 Bxf3 12. Qxf3 Qc7 13. 0-0 Nbd7 14. Rac1 Rfb8 15. Rfe1 Ne8 16. g4 Ne5 17. Bxe5 Bxe5 18. Qe2 Qe7 19. Kg2 Nc7 20. Rf1 Bf4 21. Rb1 Qd7 22. b4 Be5 23. Qc2 b5 24. axb5 axb5 25. Nd1 c4 26. Be2 Ra4 27. f4 Bg7 28. f5 Be5 29. Qd2 Rba8 30. Nc3 Ra3 31. Rf3 Qe7 32. Kh1 Qh4 33. Bf1 Ne8 34. Bg2 Nf6 35. Kg1 Bxc3 36. Rxc3 Rxc3 37. Qxc3 Ra2 38. Rf1 Nd7 39. fxg6 hxg6 40. Qf3 Ne5 41. Qe3 Kg7 42. Qc3 Re2 43. Qa3 Nd3 44. Qa7 Ne5 45. Qa3 Rc2 46. Qe3 c3 47. Rc1 Rxc1+ 48. Qxc1 Qg3 49. Kh1 Qd3 50. Bf1 Qxe4+ 51. Bg2 Qd4 52. g5 Qd2 53. Qf1 c2 0-1

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.15"]
[Round "4"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Le Ngoc Quy"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "1595"]
[BlackElo "1463"]
[PlyCount "49"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 b5 5. a4 c6 6. axb5 cxb5 7. b3 a5 8. bxc4 b4 9. Nbd2 e6 10. Ne5 Bd6 11. Qa4+ Bd7 12. Nxd7 Qxd7 13. c5 Be7 14. Bb5 Nd5 15. Bxd7+ Nxd7 16. Nc4 Ra7 17. c6 N7b6 18. Qb5 Nc8 19. c7+ Kf8 20. Rxa5 Rxc7 21. Ra8 g6 22. e4 Nc3 23. Bh6+ Kg8 24. Qe5 f6 25. Qxc7 1-0

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.14"]
[Round "3"]
[White "Nguyen, Thanh Vuong Phu Qua"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1465"]
[BlackElo "1595"]
[PlyCount "72"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. e3 h6 5. Bh4 b6 6. c4 Bb7 7. Nc3 0-0 8. Bd3 d6 9. 0-0 Nbd7 10. h3 c5 11. Bg3 a6 12. a3 Rc8 13. Qc2 d5 14. b3 dxc4 15. bxc4 Bxf3 16. gxf3 Nb8 17. Rad1 cxd4 18. exd4 Bxa3 19. Kh2 Nc6 20. d5 Nd4 21. Qa4 Bb2 22. Ne2 Nxf3+ 23. Kg2 Ne5 24. Bxe5 Bxe5 25. dxe6 Qe7 26. exf7+ Rxf7 27. Qxa6 Qc7 28. Bf5 Qc6+ 29. Kg1 Rcf8 30. Rb1 Nd7 31. Bxd7 Qxd7 32. Kg2 Qc6+ 33. Kg1 Qg6+ 34. Kh1 Rxf2 35. Rxf2 Rxf2 36. Qa8+ Kh7 0-1

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.13"]
[Round "2"]
[White "Nguyen, Duc Sang"]
[Black "Dinh, Nhat Minh"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1595"]
[BlackElo "1489"]
[PlyCount "41"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Nbd7 5. Nc3 Be7 6. e3 c6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. e4 0-0 11. e5 Nd5 12. Bxe7 Qxe7 13. Ne4 Nf4 14. 0-0 Nxd3 15. Qxd3 c5 16. Nfg5 cxd4 17. Nf6+ Nxf6 18. exf6 g6 19. fxe7 Re8 20. Qxd4 Rxe7 21. Qd8+ 1-0

[Event "VIE-ch U09"]
[Site "Ho Chi Minh City"]
[Date "2014.07.13"]
[Round "1"]
[White "Nguyen, Nguyen Loc"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1491"]
[BlackElo "1595"]
[PlyCount "56"]
[EventDate "2014.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be6 8. Bd3 Be7 9. 0-0 Qc7 10. h3 Nbd7 11. Qd2 b5 12. a3 Rc8 13. Rfd1 Nb6 14. Bxb6 Qxb6 15. Qe2 0-0 16. Rac1 Nh5 17. Nd5 Bxd5 18. exd5 Nf4 19. Qe1 f5 20. c4 e4 21. Bxe4 fxe4 22. Qxe4 Rce8 23. Qc2 Nxh3+ 24. gxh3 Rxf3 25. Kg2 Ref8 26. Rf1 Bh4 27. Qe4 Rxf2+ 28. Rxf2 Qxf2+ 0-1

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.09"]
[Round "9"]
[White "Nguyen, Duc Sang"]
[Black "Gong, Qiming"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1605"]
[PlyCount "87"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Bd3 h6 8. Bh4 c6 9. 0-0 Nb6 10. c5 Nbd7 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe7 Qxe7 14. Bxe4 Nf6 15. Bd3 Qc7 16. Ne5 b6 17. b4 a5 18. a3 Rd8 19. Re1 Bb7 20. Be4 axb4 21. axb4 Rxa1 22. Qxa1 bxc5 23. dxc5 Nxe4 24. Rxe4 Ba6 25. g3 Qb7 26. Rg4 h5 27. Rxg7+ Kxg7 28. Nxc6+ Kg8 29. Nxd8 Qd7 30. Qxa6 Qxd8 31. c6 Qd1+ 32. Qf1 Qd6 33. Qc1 Qb8 34. c7 Qc8 35. Qg5+ Kh7 36. Qxh5+ Kg7 37. Qg5+ Kh7 38. Qd8 Qa6 39. c8Q Qa1+ 40. Kg2 Kg6 41. Qc2+ Kg7 42. Qg5+ Kh8 43. Qh6+ Kg8 44. Qch7# 1-0

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.08"]
[Round "8"]
[White "Lu, Juncheng"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D52"]
[BlackElo "1605"]
[PlyCount "77"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Nd2 Bb4 9. Qc2 Bxc3 10. bxc3 h6 11. Bh4 0-0 12. Bd3 Qc7 13. Bg3 Qd8 14. 0-0 b6 15. Rfc1 c5 16. Bd6 Re8 17. dxc5 Nxc5 18. Bxc5 bxc5 19. c4 d4 20. exd4 Qxd4 21. Nb3 Qd6 22. Rd1 Qc7 23. f3 Bb7 24. Qf2 Rac8 25. Bf5 Rcd8 26. Qxc5 Qf4 27. Rxd8 Rxd8 28. Re1 a6 29. Bb1 Kh8 30. Qe7 Rb8 31. Qxf7 Ba8 32. Qe6 Re8 33. Qxe8+ Ng8 34. Qxa8 Qxc4 35. Qe8 Qh4 36. Re2 a5 37. Qg6 Nf6 38. Re8+ Nxe8 39. Qxe8# 1-0

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.08"]
[Round "7"]
[White "Nguyen, Duc Sang"]
[Black "Goh, Sean Christian"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1605"]
[PlyCount "55"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 g6 4. Nf3 Bg7 5. e3 0-0 6. Bc4+ Kh8 7. 0-0 d6 8. Bh4 h6 9. Qe2 c6 10. a3 Qe8 11. e4 g5 12. exf5 gxh4 13. Nxh4 d5 14. Ng6+ Kh7 15. Nxf8+ Qxf8 16. Bd3 Kh8 17. g4 Qe8 18. f4 Nh5 19. h4 Bxd4+ 20. Kh1 Bc5 21. g5 Qf8 22. Rg1 Bxg1 23. Rxg1 Bxf5 24. Qe5+ Kg8 25. gxh6+ Kf7 26. Qxf5+ Nf6 27. Rg7+ Ke8 28. Qc8# 1-0

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.07"]
[Round "6"]
[White "Hu, Zhanhuaii"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "D52"]
[BlackElo "1605"]
[PlyCount "105"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Bd3 Ne4 9. Qc2 Nxg5 10. Nxg5 h6 11. Nf3 Nf6 12. 0-0 Bd6 13. Rae1 0-0 14. Ne5 c5 15. f4 cxd4 16. exd4 Qb6 17. Nb5 Bb4 18. Rc1 a6 19. Qc7 Ba5 20. Qxb6 Bxb6 21. Nd6 Bxd4+ 22. Kh1 Bxb2 23. Rc7 Bxe5 24. fxe5 Ng4 25. Nxf7 Be6 26. Nd6 Nf2+ 27. Rxf2 Rxf2 28. h3 Rxa2 29. Re7 Ra3 30. Bg6 Bxh3 31. gxh3 Rxh3+ 32. Kg2 Rb3 33. Nxb7 Rb8 34. Nc5 Rb2+ 35. Kf3 a5 36. e6 R2b5 37. Na6 Rc8 38. Rd7 Rb6 39. e7 Rf6+ 40. Ke3 Re6+ 41. Kd2 Rxe7 42. Rxe7 a4 43. Nb4 Kf8 44. Rf7+ Kg8 45. Rd7 h5 46. Rxd5 h4 47. Rd4 a3 48. Rxh4 Rc7 49. Rh3 Rb7 50. Rxa3 Rb8 51. Nc6 Rb2+ 52. Kc3 Rb8 53. Nxb8 1-0

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.06"]
[Round "5"]
[White "Nguyen, Duc Sang"]
[Black "Lye, Lik Zang"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "1605"]
[BlackElo "1714"]
[PlyCount "70"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qb3 Qb6 10. Nh4 Bg4 11. h3 Bh5 12. g4 Bg6 13. f4 Bxc3 14. bxc3 Be4 15. f5 Bd5 16. Qxb6 axb6 17. Bxd5 exd5 18. Nf3 b5 19. Bb2 bxa4 20. Ne5 Ne4 21. h4 f6 22. Nd3 Nd7 23. Nf4 Nb6 24. Rad1 Nc4 25. Bc1 a3 26. Bxa3 Rxa3 27. Rf3 Rxc3 28. Ne6 Ra8 29. g5 Rxe3 30. Rdf1 Ra2 31. Rxe3 Nxe3 32. Nf4 Nxf1 33. Kxf1 Rf2+ 34. Kg1 Rxf4 35. h5 b5 0-1

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.06"]
[Round "4"]
[White "Thanasegeren, Dinessh Kumar"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "D14"]
[BlackElo "1605"]
[PlyCount "80"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bb5 Bd6 9. Bxd6 Qxd6 10. 0-0 0-0 11. Rc1 Rac8 12. Na4 Ne4 13. Bxc6 bxc6 14. Nc5 Bg4 15. h3 Bh5 16. g4 Bg6 17. Ne5 Nxc5 18. Rxc5 f5 19. Nxg6 hxg6 20. f4 g5 21. Qf3 fxg4 22. Qxg4 gxf4 23. Rxf4 e5 24. Rxf8+ Rxf8 25. Qg3 Rf5 26. Ra5 Qe7 27. h4 exd4 28. exd4 Qe2 29. Qg2 Qe1+ 30. Kh2 Rf2 31. Qxf2 Qxf2+ 32. Kh3 Qe3+ 33. Kg4 Qxd4+ 34. Kg3 Qe3+ 35. Kg4 d4 36. b4 d3 37. Rc5 d2 38. b5 d1Q+ 39. Kf5 Qd7+ 40. Kg6 Qh6# 0-1

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.05"]
[Round "3"]
[White "Nguyen, Duc Sang"]
[Black "De, Luna Adrian"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1605"]
[PlyCount "94"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 b6 6. cxd5 Nxd5 7. Nxd5 exd5 8. Bxe7 Qxe7 9. e3 0-0 10. Bd3 Be6 11. Rc1 c5 12. dxc5 bxc5 13. Qc2 c4 14. Bxh7+ Kh8 15. 0-0 Nc6 16. Bf5 Nb4 17. Qb1 Bxf5 18. Qxf5 g6 19. Qf4 Kg7 20. Qd4+ Qf6 21. Qxf6+ Kxf6 22. a3 Nd3 23. Rc2 Rfb8 24. Rb1 Rb6 25. Ne1 Nc5 26. b4 a5 27. Rcb2 Rab8 28. g3 Na4 29. Rc2 axb4 30. axb4 Rxb4 31. Rxb4 Rxb4 32. Nf3 Nc5 33. Nd4 Nd3 34. Rc3 Rb1+ 35. Kg2 Rb2 36. Nc2 Rxc2 37. Rxc2 Ne1+ 38. Kf1 Nxc2 39. Ke2 Nb4 40. Kd2 Ke5 41. f3 d4 42. exd4+ Kxd4 43. h4 c3+ 44. Kc1 Kd3 45. g4 c2 46. h5 Kc3 47. h6 Nd3# 0-1

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.05"]
[Round "2"]
[White "Nguyen, Hoang Trung"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1605"]
[PlyCount "122"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. e3 d6 6. Nge2 Bg4 7. 0-0 0-0 8. h3 Bf5 9. d4 exd4 10. exd4 Bb6 11. Bg5 h6 12. Be3 Re8 13. a3 a5 14. Qd2 Qd7 15. Kh2 Ne4 16. Nxe4 Bxe4 17. d5 Bxg2 18. Kxg2 Ne5 19. Bxb6 Nxc4 20. Qc2 Nxb6 21. Nf4 Qb5 22. Qxc7 Nxd5 23. Nxd5 Qxd5+ 24. Kh2 Rac8 25. Qb6 Qc5 26. Qb3 b5 27. Rac1 Qf5 28. Rcd1 Rc2 29. Kg2 Ree2 30. Qf3 Qxf3+ 31. Kxf3 Rxb2 32. Rxd6 Rec2 33. Kg2 Ra2 34. Rd3 a4 35. Kf3 Rcb2 36. Ke3 Rb3 37. Rxb3 axb3 38. Rb1 Rxa3 39. Kd4 Kh7 40. Kc5 Ra2 41. f4 b2 42. Kxb5 Ra3 43. Rxb2 Rxg3 44. Kc5 Rxh3 45. Kd5 g5 46. f5 Rf3 47. Ke5 Kg7 48. Ke4 Rf4+ 49. Ke5 Ra4 50. Rb8 Ra5+ 51. Ke4 h5 52. Rb1 g4 53. Rb3 Kf6 54. Rb2 Re5+ 55. Kf4 Rxf5+ 56. Ke4 Rf3 57. Rb6+ Kg5 58. Rb5+ f5+ 59. Kd4 g3 60. Rb2 Rf2 61. Rb3 h4 0-1

[Event "ASEAN-ch U10 15th"]
[Site "Taipa"]
[Date "2014.06.04"]
[Round "1"]
[White "Nguyen, Duc Sang"]
[Black "Khos Erdene, Ganzorig"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1605"]
[PlyCount "99"]
[EventDate "2014.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAC"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. c4 Bg7 5. Nc3 0-0 6. h3 Nc6 7. e3 e5 8. dxe5 dxe5 9. Nxe5 Nxe5 10. Qxd8 Rxd8 11. Bxe5 c6 12. Be2 Be6 13. 0-0 Re8 14. Bg3 Rad8 15. Rfd1 Bf5 16. Bc7 Rxd1+ 17. Rxd1 Nd7 18. Bd3 Be6 19. Ne4 Rc8 20. Bg3 Bxb2 21. Rb1 Bg7 22. Rxb7 Ra8 23. Rc7 Be5 24. Bxe5 Nxe5 25. Be2 Nxc4 26. Rxc6 Ne5 27. Ra6 Nd7 28. Bf3 Bd5 29. Rd6 Bxe4 30. Bxe4 Rd8 31. Bc6 Kf8 32. Rxd7 Rxd7 33. Bxd7 Ke7 34. Ba4 Kd6 35. Kf1 Kc5 36. Ke2 Kb4 37. Bb3 Kc5 38. Bxf7 Kd6 39. f4 Ke7 40. Bb3 Kf6 41. g4 h6 42. e4 a5 43. e5+ Ke7 44. f5 g5 45. f6+ Kf8 46. e6 Ke8 47. Ba4+ Kf8 48. e7+ Kg8 49. e8Q+ Kh7 50. Bc2# 1-0

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.28"]
[Round "11"]
[White "Kataev, Aleksandr"]
[Black "Nguyen, Duc Sang"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1605"]
[PlyCount "50"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. 0-0 Bf5 7. Bxf5 Nxf5 8. Re1+ Ne7 9. Ne5 0-0 10. f4 c5 11. c3 cxd4 12. cxd4 Nbc6 13. Be3 f6 14. Nxc6 Nxc6 15. Qb3 Bb4 16. Nc3 Bxc3 17. Qxc3 Rc8 18. Qb3 Na5 19. Qa3 Qb6 20. b3 Rc3 21. Qb2 Rc6 22. Rac1 Nc4 23. Qf2 Nxe3 24. Rxc6 Qxc6 25. Qxe3 Kf7 1/2-1/2

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.27"]
[Round "10"]
[White "Hung, Daniel1111"]
[Black "Nguyen, Duc Sang"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "1605"]
[PlyCount "84"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Bf4 Bb4 7. Nf3 Nf6 8. Qe2 0-0 9. 0-0 a6 10. Rfd1 Qe7 11. a3 e5 12. axb4 exf4 13. b5 Ne5 14. Nxe5 Qxe5 15. bxa6 bxa6 16. f3 a5 17. Nd5 Ne8 18. Qd2 g5 19. Rxa5 Rxa5 20. Qxa5 Nd6 21. Bf1 Nb7 22. Qb6 f5 23. Qd4 Qxd4+ 24. Rxd4 fxe4 25. fxe4 Nc5 26. Bb5 Ne6 27. Rd2 Ng7 28. Bxd7 Bxd7 29. Ne7+ Kf7 30. Rxd7 Ke6 31. Rb7 Rf7 32. Nc6 Rxb7 33. Nd8+ Ke5 34. Nxb7 Kxe4 35. Nd6+ Kd4 36. Kf2 g4 37. Nf7 Nf5 38. Ng5 h6 39. Ne6+ Ke5 40. Nc5 Kd4 41. Ne6+ Ke5 42. Nc5 Kd4 1/2-1/2

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.26"]
[Round "9"]
[White "Nguyen, Duc Sang"]
[Black "Gao, Yuheng"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1605"]
[PlyCount "100"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Nf3 e6 5. e3 Be7 6. Ne5 Nbd7 7. Bxf6 Bxf6 8. Qh5+ g6 9. Nxg6 hxg6 10. Qxg6+ Kf8 11. g4 fxg4 12. Qxg4 Nb6 13. Qf3 Bd7 14. Rg1 Kf7 15. Bd3 Rg8 16. Qh5+ Ke7 17. Qh7+ Kd6 18. 0-0-0 c6 19. Qh6 Rxg1 20. Rxg1 Qh8 21. Qg6 Qxh2 22. Rg2 Qh8 23. Qg3+ e5 24. Rh2 Qg7 25. Qxg7 Bxg7 26. Rg2 Bf6 27. dxe5+ Bxe5 28. Rg6+ Kc7 29. f4 Bxc3 30. bxc3 Rf8 31. Rg7 Kd6 32. Rg6+ Ke7 33. Rg7+ Rf7 34. Rg5 Nc8 35. Re5+ Kd8 36. Bg6 Rf6 37. Rg5 Nd6 38. Bd3 Ne4 39. Bxe4 dxe4 40. Re5 Re6 41. Rxe6 Bxe6 42. a3 Ke7 43. Kb2 Kd6 44. c4 Bxc4 45. Kc3 Bd5 46. Kd4 c5+ 47. Kc3 b5 48. Kb2 a5 49. c3 Ke6 50. Kc2 Kf5 0-1

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.24"]
[Round "8"]
[White "Dahanayake, Isara Banidu"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "C11"]
[BlackElo "1605"]
[PlyCount "74"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. Qf2 cxd4 10. Nxd4 Qa5 11. Nb3 Qc7 12. Nb5 Qd8 13. Rd1 a6 14. N5d4 Nxd4 15. Bxd4 f6 16. exf6 Bxf6 17. Be2 e5 18. fxe5 Bh4 19. g3 Rxf2 20. Kxf2 Be7 21. Bf3 Nb6 22. Kg2 Be6 23. Bxb6 Qxb6 24. Nd4 Rd8 25. Nxe6 Qxe6 26. Rhe1 b6 27. Rd3 a5 28. h3 g6 29. Bg4 Qc6 30. Rc3 Qb7 31. Be6+ Kg7 32. Kh2 Bb4 33. Rf1 Bxc3 34. bxc3 Rf8 35. Rd1 d4 36. Rxd4 Rf2+ 37. Kg1 Qg2# 0-1

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.23"]
[Round "7"]
[White "Nguyen, Duc Sang"]
[Black "Lominadze, Giorgi"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1605"]
[PlyCount "109"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. c4 h6 5. Bh4 0-0 6. Nc3 d5 7. e3 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 Nbd7 11. h3 c5 12. Rc1 Ne4 13. Bxe7 Qxe7 14. Bxe4 dxe4 15. Nh2 Rad8 16. Qe2 Nf6 17. dxc5 bxc5 18. Rfd1 Qe6 19. b3 Ba6 20. Qe1 Rd3 21. Na4 c4 22. Nc5 Rxd1 23. Qxd1 Qb6 24. Nxa6 Qxa6 25. Rxc4 Rb8 26. Ra4 Qb7 27. Qd4 a6 28. Qd6 Ra8 29. Rb4 Qc8 30. Rc4 Qf5 31. Rc5 Qg6 32. Qc6 Rd8 33. Qxa6 Rd1+ 34. Nf1 Ra1 35. b4 Rb1 36. b5 Kh7 37. b6 Nd7 38. Rb5 Rxb5 39. Qxb5 Nxb6 40. a4 Qd6 41. a5 Nd7 42. a6 Nb6 43. a7 Qd8 44. Qxb6 Qxb6 45. a8Q f5 46. Qc8 Kg6 47. Nd2 Qb2 48. Nc4 Qc1+ 49. Kh2 Qf1 50. Qe6+ Kg5 51. Qe7+ Kh5 52. Qf7+ g6 53. Ne5 Kh4 54. g3+ Kh5 55. Qxg6# 1-0

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.22"]
[Round "6"]
[White "Sagdiev, Daniel"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1605"]
[PlyCount "103"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Nf6 7. e5 Nxe5 8. Nxe5 dxe5 9. Bxf7+ Kxf7 10. Qxd8 Nd7 11. 0-0 g6 12. Bh6 Bg7 13. Qa5 Bxh6 14. Ne2 g5 15. g3 e6 16. f4 gxf4 17. Rac1 Ke8 18. Rfd1 f3 19. Nf4 Bxf4 20. gxf4 Rg8+ 21. Kf2 b6 22. Qb5 Rg7 23. fxe5 Bb7 24. Ke3 a6 25. Qc4 Re7 26. Rg1 Bd5 27. Qf4 Rf7 28. Qh4 Nxe5 29. Rg8+ Kd7 30. Rxa8 Bxa8 31. Qd4+ Bd5 32. Qxe5 f2 33. Rf1 Rf3+ 34. Ke2 Bc4+ 35. Kxf3 Bxf1 36. Kxf2 Bb5 37. Qg7+ Kd6 38. Qxh7 e5 39. h4 Bc4 40. b4 Bxa2 41. h5 a5 42. bxa5 bxa5 43. h6 a4 44. Qd3+ Bd5 45. h7 e4 46. Qd4 a3 47. h8Q e3+ 48. Kxe3 a2 49. Qh6+ Ke7 50. Qa7+ Ke8 51. Qh8+ Bg8 52. Qxg8# 1-0

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.21"]
[Round "5"]
[White "Nguyen, Duc Sang"]
[Black "Ip, Weng Tou"]
[Result "1-0"]
[ECO "D60"]
[WhiteElo "1605"]
[PlyCount "55"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 0-0 7. e3 Nbd7 8. Bd3 b6 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bxe7 Qxe7 12. 0-0 Nf6 13. Ne5 Nd7 14. Nxd7 Bxd7 15. Rc1 c6 16. Re1 f5 17. Qb3 Kh8 18. f3 Rae8 19. e4 fxe4 20. fxe4 Qf6 21. Qb4 dxe4 22. Rf1 Qd8 23. Bxe4 Rf6 24. Rxf6 Qxf6 25. Rf1 Qd8 26. Qd6 Bc8 27. Qxd8 Rxd8 28. Bxc6 1-0

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.21"]
[Round "4"]
[White "Raats, Joppe"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1605"]
[PlyCount "56"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Nc3 Nc6 4. Nf3 Nf6 5. d3 g6 6. Bg5 Bg7 7. 0-0 0-0 8. Qd2 a6 9. a3 b5 10. Ba2 Bb7 11. Bh6 e6 12. h3 d5 13. exd5 exd5 14. Bxg7 Kxg7 15. Qg5 h6 16. Qd2 d4 17. Ne2 Ne7 18. c3 Bxf3 19. gxf3 Qd7 20. Kg2 Nf5 21. Ng3 Nh4+ 22. Kh2 Nxf3+ 23. Kg2 Nxd2 24. Rfd1 Qc6+ 25. Kh2 Nf3+ 26. Kh1 Nh4+ 27. Ne4 Nxe4 28. Kg1 Nxc3 0-1

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.20"]
[Round "3"]
[White "Nguyen, Duc Sang"]
[Black "Issani, Nameer"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1605"]
[PlyCount "98"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 0-0 7. Bd3 b6 8. cxd5 exd5 9. 0-0 Bb7 10. Rc1 Nbd7 11. Qc2 c5 12. b3 Rc8 13. Qb1 Re8 14. Bf5 Rc7 15. h3 g6 16. Bd3 Ne4 17. Rfd1 cxd4 18. Nxd4 Nc3 19. Rxc3 Rxc3 20. Nb5 Rc6 21. Nf3 a6 22. Nbd4 Rf6 23. Rc1 Ne5 24. Nxe5 Rxe5 25. Qb2 Re8 26. Qc3 Qd6 27. Qb2 Qb8 28. b4 b5 29. Nxb5 Rb6 30. Nd4 a5 31. b5 Qd6 32. a3 f5 33. Nb3 a4 34. Nd4 f4 35. Nc2 fxe3 36. Nxe3 Qf4 37. Qa1 Rxe3 38. fxe3 Qxe3+ 39. Kh2 Qxd3 40. Rc7 d4 41. Qe1 Qe4 42. Rc8+ Kg7 43. Rc7+ Kh6 44. Qg3 Rxb5 45. Rc1 Rg5 46. Re1 Qxe1 47. Qxe1 Rxg2+ 48. Kh1 Re2+ 49. Kg1 Rxe1+ 0-1

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.19"]
[Round "2"]
[White "He, Anthony B"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B90"]
[BlackElo "1605"]
[PlyCount "67"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Nc6 9. f3 Be7 10. 0-0-0 b5 11. g4 Rc8 12. Kb1 Na5 13. g5 Nd7 14. Nxa5 Qxa5 15. Nd5 Qxd2 16. Rxd2 Bxd5 17. Rxd5 0-0 18. Bh3 Rc7 19. Rhd1 Nb8 20. c3 Nc6 21. f4 Rd8 22. Bb6 Rcd7 23. Bxd7 Rxd7 24. fxe5 b4 25. c4 g6 26. exd6 Bd8 27. Be3 Na5 28. b3 Nc6 29. Rc1 a5 30. Kb2 Bxg5 31. Bxg5 Rxd6 32. Rxd6 a4 33. Rxc6 axb3 34. Rc8+ 1-0

[Event "Wch U08"]
[Site "Al Ain"]
[Date "2013.12.18"]
[Round "1"]
[White "Nguyen, Duc Sang"]
[Black "Ivanov, Stepan1111"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1605"]
[PlyCount "63"]
[EventDate "2013.12.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "UAE"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Nc6 4. Nf3 Bg4 5. e3 e5 6. cxd5 Nxd5 7. Be2 Nxc3 8. bxc3 Bxf3 9. Bxf3 Be7 10. d5 Na5 11. Qa4+ Qd7 12. Qxa5 0-0-0 13. Qxa7 c6 14. dxc6 bxc6 15. Qxd7+ Rxd7 16. Bg4 g6 17. Bxd7+ Kxd7 18. 0-0 h5 19. a4 h4 20. a5 g5 21. a6 f5 22. a7 Ra8 23. Ba3 Bxa3 24. Rxa3 g4 25. Rb1 f4 26. Rb7+ Kc8 27. Rb8+ Rxb8 28. axb8Q+ Kxb8 29. Ra5 e4 30. Re5 c5 31. Rxe4 f3 32. Rxg4 1-0

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.13"]
[Round "9"]
[White "Nguyen, Duc Sang"]
[Black "Siddhanth, Lohia"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "1653"]
[BlackElo "1334"]
[PlyCount "108"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. Bf4 Bg7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. 0-0 Re8 12. Be5 e6 13. Bh2 Nb6 14. Bb3 Nbd5 15. e4 Nxc3 16. bxc3 Rc8 17. Rad1 Qa5 18. c4 b5 19. cxb5 cxb5 20. d5 Rc3 21. Rd3 Rxd3 22. Qxd3 exd5 23. exd5 Re1 24. d6 Rxf1+ 25. Kxf1 Nd7 26. Qe2 Qd8 27. Qe7 Qxe7 28. dxe7 Nf6 29. Be5 Ne8 30. Bb8 Bf6 31. a4 a6 32. Ke2 Bxe7 33. Kd3 Nf6 34. Kd4 Nd7 35. Bf4 Bf6+ 36. Ke3 Nc5 37. Bd1 Nxa4 38. Bd6 Nc3 39. Bb3 a5 40. Kd3 b4 41. Kc2 a4 42. Bxa4 Nxa4 43. Bxb4 Nb6 44. Kd3 Nd5 45. Bd2 Kf8 46. Ke4 Ne7 47. g4 Bg7 48. f4 f5+ 49. Kf3 Nd5 50. Ke2 Bc3 51. Bc1 Bb4 52. Kd3 Bd6 53. Kd4 Bxf4 54. Ba3+ Ne7 0-1

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.12"]
[Round "8"]
[White "Chinguun, Sumiya"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1428"]
[BlackElo "1653"]
[PlyCount "93"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Qc7 8. Be3 b5 9. a3 Bb7 10. Bf3 Be7 11. Qd2 0-0 12. Rad1 Nc6 13. Be2 Nxd4 14. Qxd4 e5 15. Qd3 Bc6 16. f3 Qb7 17. Bg5 Rad8 18. Qe3 d5 19. exd5 Nxd5 20. Nxd5 Bxg5 21. Qxg5 f6 22. Nxf6+ Kh8 23. Ng4 Rxd1 24. Rxd1 e4 25. Ne5 exf3 26. Bxf3 Bxf3 27. Nxf3 h6 28. Qe3 Qc7 29. c3 Rd8 30. Rxd8+ Qxd8 31. Qd4 Qg8 32. Qd2 Qa2 33. h3 Qb1+ 34. Kh2 Qg6 35. Ne5 Qe8 36. Qd6 Qh5 37. Qd5 Qe2 38. Qd8+ Kh7 39. Qd3+ Qxd3 40. Nxd3 Kg6 41. Nc5 a5 42. Nb7 a4 43. Nd6 b4 44. axb4 Kf6 45. Nc4 Ke6 46. Nb6 Kd6 47. Nxa4 1-0

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.12"]
[Round "7"]
[White "Nguyen, Duc Sang"]
[Black "Concio, Michael Jr"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1653"]
[PlyCount "77"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 Ne4 6. Qc2 0-0 7. Bd3 Bxc3+ 8. bxc3 Nf6 9. 0-0 Nc6 10. Ba3 Re8 11. Ne5 h6 12. f4 Nd7 13. Rf3 f5 14. Rg3 Nf6 15. Rf3 dxc4 16. Bxc4 Na5 17. Bd3 Nc6 18. Bc4 Bd7 19. Rff1 Nxe5 20. fxe5 Ng4 21. Qe2 Qg5 22. Bc1 h5 23. e4 Qg6 24. exf5 Qh7 25. h3 Nh6 26. Qxh5 Kh8 27. Bxh6 Qxh6 28. Qxh6+ gxh6 29. f6 c6 30. Rf4 b5 31. Bb3 a5 32. Rh4 Kh7 33. Bc2+ Kg8 34. Rxh6 c5 35. Re1 cxd4 36. Re4 Rf8 37. Rg4+ Kf7 38. Bg6+ Kg8 39. Be8# 1-0

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.11"]
[Round "6"]
[White "Lee, Ryan"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1653"]
[PlyCount "70"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 a6 7. Bd3 Nf6 8. 0-0 0-0 9. Qd2 Nc6 10. Nxc6 bxc6 11. Bh6 Ng4 12. Bxg7 Kxg7 13. Rfe1 Qb6 14. Rab1 Qc7 15. h3 Ne5 16. Re3 Be6 17. Rg3 f5 18. f4 Nxd3 19. cxd3 d5 20. exd5 cxd5 21. Qe3 Qd6 22. Qe5+ Qxe5 23. fxe5 d4 24. Ne2 Bxa2 25. Ra1 Bd5 26. Nxd4 f4 27. Rg4 h5 28. Rg5 Kh6 29. h4 f3 30. Ra5 f2+ 31. Kf1 Rac8 32. Ra1 Rb8 33. Rxa6 Bf7 34. Nf5+ Kh7 35. Nxe7 Rxb2 0-1

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.10"]
[Round "5"]
[White "Nguyen, Duc Sang"]
[Black "Le, Quang An"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1653"]
[PlyCount "115"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. e3 e4 5. Be2 Nf6 6. Qb3 Be7 7. cxd5 cxd5 8. Bb5+ Nc6 9. Nge2 0-0 10. Nf4 a6 11. Be2 Na5 12. Qc2 Be6 13. 0-0 Bd6 14. Nxe6 fxe6 15. Bd2 Rc8 16. Rac1 Nc4 17. Bxc4 Rxc4 18. Qb1 Qd7 19. Be1 Rfc8 20. f3 exf3 21. Rxf3 b5 22. Ne2 Rxc1 23. Nxc1 Qc7 24. Nd3 Bxh2+ 25. Kh1 Bd6 26. Rh3 Qc2 27. Qxc2 Rxc2 28. Kg1 Rc8 29. Rf3 Ne4 30. Rh3 h6 31. Rf3 Rb8 32. a3 Ra8 33. Ba5 Rc8 34. Rf1 Ng3 35. Re1 Bc7 36. Bc3 Ne4 37. Nb4 Nxc3 38. bxc3 Ba5 39. Rc1 Bxb4 40. axb4 Kf7 41. Kf2 Kf6 42. Ke2 g5 43. Kd3 Kf5 44. Rh1 Kg6 45. Rf1 h5 46. Rf3 g4 47. Rf4 Rc7 48. Rf8 Kg5 49. g3 Kg6 50. Rg8+ Kh7 51. Re8 Rc6 52. Re7+ Kg6 53. Re8 Kg7 54. Re7+ Kg8 55. Re8+ Kg7 56. Re7+ Kh6 57. Re8 Kg7 58. Re7+ 1/2-1/2

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.10"]
[Round "4"]
[White "Polavaram, Harsha"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B84"]
[BlackElo "1653"]
[PlyCount "92"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. 0-0 Qc7 9. Bd3 Nc6 10. Qf3 0-0 11. Qh3 Nxd4 12. Bxd4 e5 13. Qh4 exd4 14. Nd5 Nxd5 15. Qh5 Nf6 16. Qh4 Be6 17. Rfe1 Rac8 18. a3 Qd7 19. f4 Nxe4 20. Qh5 Rc5 21. Qe2 Nf6 22. Qf2 Re8 23. Qxd4 d5 24. b4 Rcc8 25. Rf1 Bf5 26. Bxf5 Qxf5 27. Rac1 a5 28. Qd2 axb4 29. axb4 Ne4 30. Qd4 Rc4 31. Qa7 Bxb4 32. Kh1 Bc5 33. Qa1 Nf2+ 34. Kg1 Nd3+ 35. Kh1 Nxc1 36. Rxc1 Qxf4 37. Rd1 Bd4 38. Rc1 Bxa1 39. Rxa1 Ra4 40. Rb1 Qb4 41. g3 Qxb1+ 42. Kg2 Qxc2+ 43. Kh3 b5 44. g4 Re3+ 45. Kh4 Qg6 46. h3 Qh6# 0-1

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.09"]
[Round "3"]
[White "Nguyen, Duc Sang"]
[Black "Ruhaan, Mahindru"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1653"]
[BlackElo "1474"]
[PlyCount "47"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 c6 7. Bd3 b6 8. Qc2 h6 9. Bh4 Bb7 10. cxd5 exd5 11. 0-0 Nbd7 12. e4 dxe4 13. Nxe4 Re8 14. Rfe1 Rc8 15. Rad1 c5 16. Qb1 c4 17. Bc2 Kh8 18. Bxf6 Bxf6 19. Nd6 Rf8 20. Nxb7 Qc7 21. Be4 Be7 22. d5 Bb4 23. Re2 Qxb7 24. Nd4 1-0

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.09"]
[Round "2"]
[White "Nguyen, Thanh Trung"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B75"]
[BlackElo "1653"]
[PlyCount "117"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 g6 7. Qd2 Bg7 8. f3 Qc7 9. 0-0-0 Nc6 10. Be2 b5 11. Nxc6 Qxc6 12. e5 Nd7 13. exd6 exd6 14. Qxd6 Qxd6 15. Rxd6 0-0 16. Rhd1 Re8 17. R6d3 Ne5 18. Rd8 Bb7 19. Rxa8 Bxa8 20. Bb6 Nc6 21. Bd3 Nb4 22. a3 Nc6 23. Be4 Ne5 24. Bxa8 Rxa8 25. Rd8+ Rxd8 26. Bxd8 Nc4 27. Be7 Ne3 28. g4 Bh6 29. g5 Bg7 30. Ne4 Nd5 31. Nf6+ Nxf6 32. gxf6 Bf8 33. Kd2 Bh6+ 34. Kd3 Bc1 35. b3 a5 36. Kd4 Bf4 37. c4 bxc4 38. bxc4 h5 39. a4 Kh7 40. c5 Kh6 41. c6 Kg5 42. Bd8 Kh4 43. c7 Bxc7 44. Bxc7 Kh3 45. Bxa5 Kxh2 46. Bc7+ Kg2 47. Ke3 Kh3 48. a5 g5 49. a6 g4 50. fxg4 Kxg4 51. a7 Kf5 52. a8Q Kxf6 53. Qd5 Kg6 54. Bf4 f6 55. Qg8+ Kf5 56. Qf7 Kg4 57. Qg6+ Kh4 58. Kf3 Kh3 59. Qxh5# 1-0

[Event "ASEAN-ch U08 14th"]
[Site "Chiangmai"]
[Date "2013.06.08"]
[Round "1"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Lam Tung"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1653"]
[PlyCount "97"]
[EventDate "2013.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. e4 0-0 7. Be3 Nbd7 8. Bd3 Ng4 9. Bf4 Nge5 10. Nxe5 Nxe5 11. Be2 Bd7 12. 0-0 b6 13. Qd2 Re8 14. h3 Bc8 15. Bh6 Bh8 16. f4 Nd7 17. f5 Ne5 18. fxg6 hxg6 19. Bd3 Ba6 20. Qf2 f6 21. Qe2 Kh7 22. Bf4 Nxd3 23. Qxd3 Qd7 24. b3 Rab8 25. a4 Bg7 26. Qg3 Rh8 27. Bd2 g5 28. Rf5 Kg8 29. Raf1 Qe8 30. Nd1 Qh5 31. Ne3 Qh4 32. Qxh4 Rxh4 33. Ng4 Bc8 34. R5f2 Bxg4 35. hxg4 Rxg4 36. Re2 a6 37. Rc1 b5 38. axb5 axb5 39. Rc2 bxc4 40. bxc4 Rb3 41. Ra2 Rd3 42. Ra7 Bf8 43. Kf2 Rd4 44. Kf3 Rh4 45. Ra4 Kf7 46. g3 Rh1 47. Be3 Rd3 48. Kg2 Rb1 49. Bxg5 1/2-1/2

[Event "ASEAN-ch U08 13th"]
[Site "Hue"]
[Date "2012.06.19"]
[Round "9"]
[White "Mordido, Justine Diego"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "118"]
[EventDate "2012.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. e3 d6 6. Be2 Nbd7 7. 0-0 c5 8. b3 Be7 9. Bb2 a6 10. Rc1 0-0 11. d5 exd5 12. Nxd5 Bxd5 13. cxd5 b5 14. Qd3 Re8 15. Ng5 Bf8 16. Bg4 Ne5 17. Bxe5 Rxe5 18. f4 Rxg5 19. fxg5 Nxg4 20. Qf5 Nxe3 21. Qxf7+ Kh8 22. Rf3 Ng4 23. Rcf1 Be7 24. Qf5 Ne5 25. Rh3 g6 26. Qe6 Bxg5 27. Re1 Qf6 28. Qxf6+ Bxf6 29. Rf1 Bg7 30. Re3 a5 31. h3 a4 32. bxa4 Rxa4 33. Re2 Rd4 34. Rb1 b4 35. a3 h6 36. a4 Nc4 37. Re8+ Kh7 38. Ra8 Rxd5 39. a5 Rf5 40. Rc1 Na3 41. a6 Nb5 42. Rb8 Na7 43. Rb7 Nc6 44. Rb6 Na7 45. Rb7 Nc6 46. Rb6 Na7 47. Rb7 Nc8 48. Rb8 Rf8 49. Rf1 Bd4+ 50. Kh2 Rxf1 51. Rxc8 Be5+ 52. g3 Rf7 53. Ra8 Rf2+ 54. Kg1 Ra2 55. Ra7+ Bg7 56. Kf1 b3 57. Rb7 b2 58. a7 Rxa7 59. Rxb2 Bxb2 0-1

[Event "ASEAN-ch U08 13th"]
[Site "Hue"]
[Date "2012.06.18"]
[Round "8"]
[White "Nguyen, Duc Sang"]
[Black "Tran, Phan Anh Khoi"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "75"]
[EventDate "2012.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 4. d3 h6 5. Nge2 Nf6 6. 0-0 d6 7. h3 Be6 8. Bb3 d5 9. Nxd5 Bxd5 10. Bxd5 Nxd5 11. exd5 Qxd5 12. Nc3 Qd6 13. Ne4 Qe7 14. Nxc5 Qxc5 15. Be3 Qd6 16. f4 0-0 17. f5 Ne7 18. f6 gxf6 19. Bxh6 Rfe8 20. Qg4+ Ng6 21. h4 Qd4+ 22. Qxd4 exd4 23. Rxf6 Re6 24. Rxe6 fxe6 25. h5 Kh7 26. Bd2 Ne5 27. Re1 Ng4 28. Rxe6 Rg8 29. h6 Ne3 30. Bxe3 dxe3 31. Rxe3 Kxh6 32. Rh3+ Kg7 33. Rg3+ Kf7 34. Rxg8 Kxg8 35. Kf2 Kf7 36. Kf3 Kg6 37. Kf4 Kh5 38. Kf5 1-0

[Event "ASEAN-ch U08 13th"]
[Site "Hue"]
[Date "2012.06.17"]
[Round "7"]
[White "Le, Chien Thang"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "103"]
[EventDate "2012.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 d6 6. Nc3 Nbd7 7. 0-0 c5 8. Bd2 Be7 9. Qe2 a6 10. a4 0-0 11. Rfe1 Re8 12. Rad1 Bf8 13. h3 d5 14. e4 dxe4 15. Nxe4 Bxe4 16. Bxe4 Nxe4 17. Qxe4 f5 18. Qc2 cxd4 19. Nxd4 Nc5 20. Be3 Qc7 21. b3 g6 22. Nf3 e5 23. Bxc5 Bxc5 24. Qb2 e4 25. Nh2 Bf8 26. Rd5 Bg7 27. Qd2 Rad8 28. Rxd8 Rxd8 29. Qe3 Rd3 30. Qg5 Be5 31. Nf1 Rxb3 32. Rd1 Kg7 33. Ne3 h6 34. Nxf5+ Kf7 35. Nxh6+ Kg7 36. Ng4 Bd4 37. Qh6+ Kg8 38. Qxg6+ Kf8 39. Qxe4 Bg7 40. Qf5+ Kg8 41. Qd5+ Kh7 42. c5 Rc3 43. cxb6 Qxb6 44. Qe4+ Kg8 45. Qa8+ Kh7 46. Qd8 Qg6 47. Qh4+ Kg8 48. Rd8+ Bf8 49. Nh6+ Kg7 50. Rd7+ Kh8 51. Nf7+ Kg8 52. Qh8# 1-0

[Event "ASEAN-ch U08 13th"]
[Site "Hue"]
[Date "2012.06.16"]
[Round "6"]
[White "Phan, The Hien"]
[Black "Nguyen, Duc Sang"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "59"]
[EventDate "2012.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Be2 e6 8. 0-0 Be7 9. Kh1 b5 10. a3 Bb7 11. Bf3 Nbd7 12. Be3 Nc5 13. e5 dxe5 14. fxe5 Qxe5 15. Bf4 Bxf3 16. Qxf3 Qxd4 17. Qxa8+ Qd8 18. Qxd8+ Bxd8 19. Rad1 0-0 20. Bd6 Re8 21. Bxc5 Bc7 22. g3 h6 23. Rd2 Rc8 24. Be7 Be5 25. Rd8+ Rxd8 26. Bxd8 Bxc3 27. bxc3 Nd5 28. Rf3 Kf8 29. Kg2 Ke8 30. Ba5 1-0

[Event "ASEAN-ch U08 13th"]
[Site "Hue"]
[Date "2012.06.15"]
[Round "5"]
[White "Nguyen, Duc Sang"]
[Black "Nguyen, Hoang Hiep"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1629"]
[PlyCount "102"]
[EventDate "2012.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. Nge2 0-0 7. 0-0 e5 8. f4 exf4 9. gxf4 Ng4 10. h3 Nf6 11. Ng3 Qb6 12. Kh1 Nc6 13. Nge2 Nh5 14. Kh2 Na5 15. Nd5 Qd8 16. Bd2 Bxb2 17. Bxa5 Qxa5 18. Rb1 Bg7 19. f5 Qd8 20. Ng1 Be5+ 21. Nf4 Bxf4+ 22. Rxf4 Nxf4 23. Qg4 Nxg2 24. Qxg2 Qf6 25. Ne2 Qg7 26. Rg1 Kh8 27. Qf3 Qe5+ 28. Ng3 Kg8 29. f6 Qe6 30. Ne2 Qxh3+ 31. Qxh3 Bxh3 32. Kxh3 Rfe8 33. Nf4 h6 34. Nd5 Rac8 35. Ne7+ Rxe7 36. fxe7 Re8 37. Kg4 Rxe7 38. Rh1 h5+ 39. Kg5 Kg7 40. Rf1 Re6 41. c3 f6+ 42. Kh4 Kh6 43. a3 g5+ 44. Kh3 g4+ 45. Kh4 Kg6 46. Rf5 Re5 47. Rf2 f5 48. exf5+ Rxf5 49. Re2 Rf3 50. Re6+ Kf5 51. Rf6+ Kxf6 0-1

[Event "ASEAN-ch U08 13th"]
[Site "Hue"]
[Date "2012.06.14"]
[Round "4"]
[White "Truong, Quang Dang Khoa"]
[Black "Nguyen, Duc Sang"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "86"]
[EventDate "2012.06.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. h3 e6 5. Bg2 Be7 6. f4 a6 7. d3 Qc7 8. Be3 Nc6 9. Nf3 Rb8 10. 0-0 b5 11. Qe1 0-0 12. Ne2 a5 13. g4 Nd7 14. f5 exf5 15. gxf5 Nde5 16. Qg3 Nxf3+ 17. Rxf3 Ne5 18. Rff1 Kh8 19. Nf4 Bb7 20. Nh5 Bf6 21. Bg5 Bxg5 22. Qxg5 f6 23. Qg3 b4 24. a3 Qf7 25. Nf4 Bc8 26. b3 g6 27. fxg6 Nxg6 28. axb4 axb4 29. Nh5 Qe7 30. Rf3 Ne5 31. Rff1 Rg8 32. Qe3 f5 33. Kh1 fxe4 34. dxe4 Qh4 35. Nf4 Rg3 36. Qf2 Bd7 37. Ne2 Rg4 38. Qxh4 Rxh4 39. Kh2 Rg8 40. Rad1 Rh6 41. Rf4 Ng4+ 42. Kh1 Ne3 43. Rg1 Bxh3 0-1

