[Event "Phu Dong festival U13 6th"]
[Site "Hue"]
[Date "2004.08.09"]
[Round "8"]
[White "Nguyen, Cao Ky"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "47"]
[EventDate "2004.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. f4 Nc6 4. Nf3 g6 5. Be3 Bg7 6. c3 Nf6 7. h3 a6 8. Be2 b5 9. 0-0 Bb7 10. Kh1 0-0 11. g4 Qc7 12. g5 Nh5 13. Qe1 d5 14. Ng1 dxe4 15. dxe4 Nd8 16. Nd2 b4 17. cxb4 cxb4 18. Rb1 f5 19. Bxh5 gxh5 20. Qh4 Qc2 21. Qxh5 Bxe4+ 22. Nxe4 Qxe4+ 23. Qf3 Qxf3+ 24. Nxf3 1/2-1/2

[Event "Phu Dong festival U13 6th"]
[Site "Hue"]
[Date "2004.08.08"]
[Round "7"]
[White "Kim, Ngoc Lam"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B93"]
[PlyCount "96"]
[EventDate "2004.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 g6 7. Be2 Bg7 8. f4 Nc6 9. 0-0 0-0 10. f5 Nxd4 11. Bxd4 b5 12. fxg6 hxg6 13. Kh1 e5 14. Be3 b4 15. Nd5 Nxd5 16. exd5 f5 17. a3 f4 18. Bd2 bxa3 19. Rxa3 Rf7 20. Bg4 Bd7 21. g3 Bh6 22. Bxd7 Qxd7 23. Raf3 g5 24. gxf4 gxf4 25. Rg1+ Kh7 26. Qf1 Qf5 27. Rh3 Raa7 28. Qf3 Rg7 29. Rf1 Rg4 30. Bb4 e4 31. Qf2 Rd7 32. Bc3 Qxd5 33. Qe2 e3+ 34. Qf3 Qxf3+ 35. Rhxf3 Bg7 36. Rxf4 Rxf4 37. Rxf4 Bxc3 38. bxc3 Re7 39. Rf1 e2 40. Re1 a5 41. Kg2 a4 42. Kf2 a3 43. h3 a2 44. h4 Kh6 45. c4 Re5 46. c3 Kh5 47. Kf3 Kxh4 48. Kf2 Kg4 0-1

[Event "Phu Dong festival U13 6th"]
[Site "Hue"]
[Date "2004.08.07"]
[Round "6"]
[White "Duong, Dinh Son"]
[Black "Tran, Quoc Doan"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "85"]
[EventDate "2004.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Nf3 Nc6 6. a3 e6 7. Bg5 Be7 8. e3 a6 9. Bd3 0-0 10. 0-0 b5 11. b4 Ne8 12. Bxe7 Qxe7 13. Qc2 h6 14. Nxd5 exd5 15. Qxc6 Bb7 16. Qc2 Nd6 17. Ne5 Rac8 18. Qe2 Nc4 19. Bxc4 dxc4 20. Rac1 f6 21. Ng6 Qe4 22. Nf4 g5 23. f3 Qe8 24. Nh3 Kg7 25. Rc3 f5 26. Rd1 Rd8 27. Nf2 Qc6 28. Nh1 Rfe8 29. Qf2 Qf6 30. Ng3 Qg6 31. Ne2 Bd5 32. Re1 Re7 33. Rcc1 Bb7 34. Nc3 Qf7 35. Re2 Qf6 36. Qe1 Rdd7 37. Qd2 Qd6 38. Rd1 Re8 39. d5 Re5 40. e4 f4 41. Qd4 Kg6 42. Rdd2 Rc7 43. Nd1 1-0

[Event "Phu Dong festival U13 6th"]
[Site "Hue"]
[Date "2004.08.06"]
[Round "5"]
[White "Tran Nguyen Khanh, Hoang"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "85"]
[EventDate "2004.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. Qc2 h6 8. Bd2 dxc4 9. Bxc4 Nb6 10. Bd3 Nfd5 11. a3 Qe7 12. 0-0 0-0 13. e4 Nf4 14. e5 Nxd3 15. exd6 Qxd6 16. Qxd3 Rd8 17. Qe4 Nd7 18. Bf4 Qf8 19. Rad1 Nf6 20. Qc2 b6 21. Be5 Nh7 22. h3 Bb7 23. Nh2 Rac8 24. Qe2 Kh8 25. Ng4 f6 26. Bg3 Qf7 27. f4 Rd7 28. Bf2 Nf8 29. Be3 Ng6 30. f5 exf5 31. Rxf5 Qe6 32. Qf2 Rf8 33. Ne5 Nxe5 34. dxe5 Rxd1+ 35. Nxd1 Rd8 36. Nc3 fxe5 37. Rf8+ Rxf8 38. Qxf8+ Kh7 39. Qb8 Bc8 40. Qxa7 Qb3 41. Qxb6 Qc4 42. Qc5 Qe6 43. a4 1-0

[Event "Phu Dong festival U13 6th"]
[Site "Hue"]
[Date "2004.08.05"]
[Round "4"]
[White "Duong, Dinh Son"]
[Black "Hoang, Trung Kien"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "53"]
[EventDate "2004.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Ne7 4. Nf3 a6 5. e3 g6 6. cxd5 exd5 7. Bd3 Bg7 8. h3 Nd7 9. b3 0-0 10. Ba3 Re8 11. Bxe7 Qxe7 12. Nxd5 Qd6 13. Nc3 c5 14. Ne2 cxd4 15. exd4 Bxd4 16. Nfxd4 Qxd4 17. 0-0 Qf6 18. Ng3 Nc5 19. Rc1 Qe7 20. Qf3 Bd7 21. Rfe1 Qxe1+ 22. Rxe1 Rxe1+ 23. Kh2 Bc6 24. Be4 Nxe4 25. Nxe4 Rxe4 26. Qd3 Rae8 27. a4 0-1

[Event "Phu Dong festival U13 6th"]
[Site "Hue"]
[Date "2004.08.04"]
[Round "3"]
[White "Vu, Minh Hoang"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "E72"]
[PlyCount "91"]
[EventDate "2004.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 0-0 6. Bg2 e5 7. d5 Nbd7 8. Nge2 a5 9. 0-0 Nc5 10. Be3 Na6 11. h3 Ne8 12. Qd2 f5 13. f3 Nf6 14. a3 Rf7 15. b4 fxe4 16. fxe4 axb4 17. axb4 Bd7 18. b5 Nc5 19. Bxc5 dxc5 20. Qg5 Ne8 21. Qxd8 Rxd8 22. Rxf7 Kxf7 23. Ra7 Nd6 24. Na4 Bh6 25. Kh2 Be3 26. Nb2 Ke7 27. Ra3 Bh6 28. Ra4 Nf7 29. Ra7 Bc8 30. Na4 Kd6 31. b6 Be3 32. Nec3 cxb6 33. Nb5+ Ke7 34. Nxb6 Nd6 35. Ra8 Bd7 36. Rxd8 Bxb5 37. Rh8 Nxc4 38. Rxh7+ Kd8 39. Rxb7 Ba6 40. Nxc4 Bxc4 41. h4 Be2 42. Bh3 g5 43. Bf5 gxh4 44. gxh4 c4 45. d6 Bd2 46. Rb8# 1-0

[Event "Phu Dong festival U13 6th"]
[Site "Hue"]
[Date "2004.08.03"]
[Round "2"]
[White "Duong, Dinh Son"]
[Black "Thai Khac Phuc, Hung"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "63"]
[EventDate "2004.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. h3 e5 8. d5 Ne7 9. Bg5 Kh8 10. Qd2 Nfg8 11. g4 h6 12. Bh4 Qe8 13. Nb5 Qd8 14. 0-0-0 Bd7 15. Nc3 a6 16. Kb1 Qe8 17. Rdg1 b5 18. a3 Qb8 19. Na2 c5 20. Bxe7 Nxe7 21. h4 Ng8 22. Ne1 a5 23. cxb5 Bxb5 24. Bxb5 Qxb5 25. Nc3 Qb3 26. Qc2 Qxc2+ 27. Nxc2 Rab8 28. Ne3 Rb3 29. Nc4 Rfb8 30. Kc2 Nf6 31. g5 Ne8 32. f3 1-0

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.28"]
[Round "9"]
[White "Tran, Quoc Doan"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "E24"]
[PlyCount "136"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. Nf3 c5 7. e3 h6 8. Be2 d6 9. 0-0 Nc6 10. Bb2 e5 11. Re1 e4 12. Nd2 Re8 13. Nf1 b6 14. Ng3 g6 15. f3 Bb7 16. fxe4 Nxe4 17. Nxe4 Rxe4 18. Bf3 Re8 19. Qd2 Qg5 20. Rad1 Na5 21. Bxb7 Nxb7 22. Bc1 Re4 23. Rf1 Na5 24. Qe2 Rae8 25. Rf3 Nb3 26. Rg3 Nxc1 27. Qc2 Qe7 28. Re1 Nb3 29. Qxb3 cxd4 30. cxd4 Rxd4 31. Rf1 Re4 32. c5 Qe6 33. Qxe6 R8xe6 34. cxb6 axb6 35. Kf2 Ra4 36. Rb1 d5 37. Rb3 Kg7 38. Rf3 g5 39. Rf5 Ra5 40. Rd3 Rd6 41. g4 Rf6 42. Rxf6 Kxf6 43. Rb3 b5 44. Kf3 Ke5 45. Rd3 f6 46. h3 Ke6 47. Rb3 f5 48. gxf5+ Kxf5 49. Rd3 Ke5 50. Rb3 Kd6 51. Rc3 Ra4 52. Ke2 Rh4 53. Rb3 Kc5 54. Rc3+ Rc4 55. Rb3 h5 56. Kf3 Rc1 57. Rd3 Rc4 58. Kg3 d4 59. exd4+ Rxd4 60. Rc3+ Kb6 61. Re3 Rd5 62. Rb3 Ka5 63. Re3 Ka4 64. Rc3 Rd4 65. Re3 h4+ 66. Kf3 Rd1 67. Kg4 Rg1+ 68. Kh5 Rg3 0-1

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.26"]
[Round "8"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Hoang Nam2222"]
[Result "0-1"]
[ECO "A35"]
[PlyCount "58"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 c5 2. c4 cxd4 3. Nf3 Nf6 4. Nxd4 g6 5. Nc3 Bg7 6. e3 0-0 7. Be2 Nc6 8. 0-0 d6 9. a3 Bd7 10. b4 Rc8 11. Bb2 a5 12. b5 Nxd4 13. exd4 Bf5 14. f3 h5 15. Re1 h4 16. Bf1 Nd7 17. Nd5 Be6 18. Ne3 f5 19. Rb1 Bf7 20. d5 Qb6 21. Bxg7 Kxg7 22. Kh1 Rfe8 23. Re2 Ne5 24. Rc1 e6 25. dxe6 Rxe6 26. Nd5 Qc5 27. f4 Ng4 28. Qd2 Rxe2 29. Qxe2 Nf2+ 0-1

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.26"]
[Round "7"]
[White "Ton That Nhu, Tung"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "138"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Be2 Be7 8. 0-0 b5 9. a3 Bb7 10. Qd3 Nbd7 11. Bxf6 Nxf6 12. f4 0-0 13. Kh1 Rc8 14. Rad1 Qb6 15. f5 e5 16. Nb3 Rxc3 17. Qxc3 Nxe4 18. Qe1 Nf6 19. Qf2 Qc7 20. c3 h6 21. Bf3 e4 22. Be2 d5 23. Nd4 Bd6 24. g3 Re8 25. Qe3 Bc8 26. Kg2 Bd7 27. h4 Qc8 28. g4 Bb8 29. Rh1 Ba7 30. Rdf1 Nh7 31. Kf2 h5 32. Ke1 hxg4 33. Bxg4 Nf6 34. Rhg1 Kf8 35. Bh3 Bxd4 36. Qxd4 Qc4 37. Qxc4 dxc4 38. Ke2 Re5 39. Rf2 Rd5 40. Rd1 Rd3 41. Rxd3 cxd3+ 42. Ke3 Bc6 43. Kd4 Bd5 44. Rd2 Ba8 45. Bg2 Ke7 46. b3 Kd6 47. h5 a5 48. c4 b4 49. axb4 axb4 50. c5+ Kc7 51. Ra2 Bd5 52. Rb2 Kd7 53. Rb1 Kc7 54. Bf1 Bb7 55. Kc4 Nxh5 56. Kxb4 Ng3 57. Bh3 e3 58. Kc3 d2 59. Bg4 Be4 60. Rg1 Nxf5 61. Bd1 g6 62. b4 Kc6 63. Ba4+ Kd5 64. Bb3+ Ke5 65. Bxf7 Nh4 66. Bc4 Nf3 67. Ra1 Nd4 68. b5 Nc2 69. Rd1 Na3 0-1

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.25"]
[Round "6"]
[White "Duong, Dinh Son"]
[Black "Ngo, Trung Tin"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "86"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Be7 6. Be2 0-0 7. 0-0 Nbd7 8. Qc2 h6 9. b3 Nh7 10. a4 f5 11. cxd5 cxd5 12. Ba3 Bxa3 13. Rxa3 Ng5 14. Nb5 Nxf3+ 15. gxf3 Nf6 16. Raa1 Bd7 17. Nc3 Nh7 18. Kh1 Qh4 19. f4 g5 20. Rg1 Kh8 21. fxg5 Nxg5 22. Raf1 Rg8 23. f4 Nh3 24. Rxg8+ Rxg8 25. Bf3 Be8 26. Qe2 a6 27. Nd1 b5 28. a5 Bf7 29. b4 Kh7 30. Nb2 Nxf4 31. exf4 Qxf4 32. Qf2 Rc8 33. Nd3 Qd6 34. Qd2 Bg6 35. Rc1 Rc4 36. Rxc4 dxc4 37. Qf4 Qxf4 38. Nxf4 Bf7 39. Ne2 Kg6 40. Bb7 Be8 41. Kg1 Kf6 42. Bxa6 e5 43. dxe5+ Kxe5 1-0

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.24"]
[Round "5"]
[White "Tran, Hoanh Nghi"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "93"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. Bd3 Nbd7 10. f5 e5 11. Nb3 b5 12. 0-0 Bb7 13. a3 h6 14. Be3 Rd8 15. Rad1 0-0 16. Qh3 Nh7 17. Nd2 Bg5 18. Bf2 Ndf6 19. Nf3 d5 20. Rde1 Bd2 21. Nxd2 Ng5 22. Qh4 d4 23. Ne2 Qe7 24. Kh1 Rd6 25. Ng1 Ngh7 26. Ngf3 g5 27. Qg3 Re8 28. h3 Nh5 29. Qh2 N7f6 30. g4 Nf4 31. Bg3 Kh8 32. Bxf4 gxf4 33. g5 hxg5 34. Nxg5 Nh5 35. Rg1 Ng3+ 36. Rxg3 fxg3 37. Qxg3 Rg8 38. Qxe5+ Qxe5 39. Nxf7+ Kh7 40. Nxe5 Rh6 41. Kh2 Rh5 42. Nef3 Rd8 43. Rg1 Rg8 44. Rxg8 Kxg8 45. Nxd4 Rh6 46. Ne6 Rg6 47. fxg6 1-0

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.23"]
[Round "4"]
[White "Duong, Dinh Son"]
[Black "Tran Nguyen Khanh, Hoang"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "109"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Bg4 7. h3 Bxf3 8. gxf3 c6 9. Be3 Nbd7 10. Qd2 Re8 11. 0-0-0 a6 12. Rdg1 b5 13. h4 h5 14. Rg2 Kh7 15. Rhg1 Nb6 16. Qc2 e5 17. dxe5 dxe5 18. c5 Nbd7 19. f4 exf4 20. Bxf4 Re6 21. Kb1 Ne8 22. e5 Kh8 23. Bg5 Qc7 24. f4 Nxe5 25. fxe5 Qxe5 26. Rd1 Qxc5 27. Bf1 Nd6 28. Rgd2 Rae8 29. Bd3 Nc4 30. Bxc4 Qxc4 31. Qd3 Qg4 32. Bd8 Re3 33. Qd7 Qf3 34. Rd3 Kh7 35. Qxe8 Rxd3 36. Rc1 b4 37. Ne4 f6 38. Bxf6 Qf5 39. Ng5+ Kh6 40. Bxg7+ Kxg7 41. Qe7+ Kg8 42. Qe4 Qxe4 43. Nxe4 Rh3 44. Rxc6 Rxh4 45. Ng5 Kg7 46. Rd6 Rc4 47. b3 Rc3 48. Kb2 Rg3 49. Ne6+ Kf7 50. Nf4 h4 51. Rb6 h3 52. Nxh3 Rxh3 53. Rxb4 Kf6 54. Rg4 Kf5 55. Rg1 1/2-1/2

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.22"]
[Round "3"]
[White "Nguyen, Anh Tuan"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "110"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. Qd2 b5 9. a3 Bb7 10. Bf3 Qc7 11. 0-0 Nbd7 12. Rad1 0-0 13. Rfe1 Ne5 14. Bf4 Nc4 15. Ncxb5 axb5 16. Nxb5 Qc5 17. Qb4 Qxb4 18. axb4 Nxb2 19. Bxd6 Bxd6 20. Rxd6 Bxe4 21. Bxe4 Nxe4 22. Rd4 Nf6 23. f3 Rfd8 24. Rb1 Rxd4 25. Nxd4 Nc4 26. b5 Nd5 27. Kf2 Kf8 28. g3 Ncb6 29. f4 Ra4 30. Nc6 Ra2 31. Nd4 Ke7 32. Kf3 Ra3+ 33. Kf2 Nc3 34. Rb4 Ra4 35. Nc6+ Kd6 36. Rb3 Ne4+ 37. Ke3 Nc5 38. Rb1 Ncd7 39. Rb3 Ra3 40. Rxa3 Nc4+ 41. Kd4 Nxa3 42. c4 Nc5 43. Ne5 Nc2+ 44. Kc3 f6 45. Nf3 Ne3 46. Kb4 g6 47. Nd2 e5 48. Ka5 e4 49. Kb6 f5 50. Ka7 Nc2 51. b6 e3 52. Nb3 e2 53. Nxc5 Kxc5 54. b7 Nb4 55. Ka8 Nc6 0-1

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.21"]
[Round "2"]
[White "Pham, Duy Kien"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "A50"]
[PlyCount "99"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 b6 4. Nc3 Bb7 5. d5 exd5 6. cxd5 d6 7. e4 a6 8. Nf3 Nbd7 9. Bc4 g6 10. 0-0 Bg7 11. Re1 0-0 12. Bg5 b5 13. Ba2 h6 14. Bh4 Re8 15. Nd4 Nf8 16. f4 Qd7 17. Bxf6 Bxf6 18. Re3 Re7 19. Qd2 Rae8 20. Rf1 Bg7 21. f5 Nh7 22. fxg6 fxg6 23. Ne6 Nf8 24. Nxg7 Kxg7 25. Rh3 g5 26. Qd4+ Re5 27. Rhf3 Ng6 28. Rf7+ Qxf7 29. Rxf7+ Kxf7 30. Qa7 Bc8 31. Qxc7+ R5e7 32. Qxd6 Kg7 33. Qb6 Kh7 34. Bb1 Ne5 35. h3 Rf7 36. Ne2 Ree7 37. Ng3 Kg7 38. d6 Rb7 39. Qd4 Kf6 40. Nh5+ Kg6 41. Qxe5 Kxh5 42. Qe8 Bxh3 43. gxh3 Kh4 44. Ba2 Rf3 45. Qc8 Rg3+ 46. Kf2 Rg7 47. d7 Rxd7 48. Qxd7 h5 49. Be6 b4 50. axb4 1-0

[Event "VIE-chT"]
[Site "Can Tho"]
[Date "2003.08.20"]
[Round "1"]
[White "Duong, Dinh Son"]
[Black "Le, Minh Tu"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "95"]
[EventDate "2003.08.20"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. e3 0-0 6. Be2 d5 7. 0-0 c6 8. Qc2 Ne4 9. Ne5 Nd7 10. cxd5 cxd5 11. Nb5 Nxe5 12. dxe5 Bd7 13. Nd4 Rc8 14. Qd1 Nc5 15. f3 Qc7 16. f4 a6 17. Rf3 Qb6 18. Bf1 Ne4 19. Rh3 Be8 20. g4 Bc5 21. gxf5 Bxd4 22. exd4 Rxf5 23. b3 Bh5 24. Qd3 Rc3 25. Be3 Rxd3 26. Bxd3 Bg6 27. Bxe4 dxe4 28. d5 Qd8 29. d6 Rf7 30. Rc1 Rd7 31. b4 h6 32. a4 Kh7 33. a5 Rxd6 34. exd6 Qxd6 35. Bc5 Qxf4 36. Rf1 Qe5 37. Rg3 Bf5 38. Rd1 Qc7 39. Rd2 g5 40. Rd1 Kg6 41. Rc3 Qf4 42. Rg3 Bg4 43. Re1 Qf5 44. h3 Bxh3 45. Kh2 Bg4 46. Rg2 Bf3 47. Rg3 Qf4 48. Be3 0-1

[Event "VIE-ch U13"]
[Site "Hue"]
[Date "2003.07.15"]
[Round "7"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Viet Chung"]
[Result "1/2-1/2"]
[ECO "D94"]
[BlackElo "2045"]
[PlyCount "87"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 c6 5. Nf3 Bg7 6. h3 0-0 7. cxd5 cxd5 8. Bd3 b6 9. 0-0 Bb7 10. b3 Nbd7 11. Ba3 Ne4 12. Bxe4 dxe4 13. Nd2 f5 14. Ne2 Re8 15. Rc1 Ba6 16. Re1 e5 17. Nc4 exd4 18. Nxd4 Bxc4 19. Nc6 Qf6 20. Rxc4 Qf7 21. Ne7+ Rxe7 22. Bxe7 Ne5 23. Rc7 Nd3 24. Re2 Qe6 25. Ba3 b5 26. Bc5 Rd8 27. Bd4 Bxd4 28. exd4 Nf4 29. Rec2 Nd5 30. R7c5 e3 31. Qe2 f4 32. fxe3 fxe3 33. Qxb5 a6 34. Qc4 Kg7 35. Re2 Qe4 36. Qc2 Qxd4 37. Qb2 Qxb2 38. Rxb2 Nf4 39. Rcc2 Rd1+ 40. Kh2 Nd3 41. Kg3 Nxb2 42. Rxb2 Rd2 43. Rb1 Rxa2 44. Kf3 1/2-1/2

[Event "VIE-ch U13"]
[Site "Hue"]
[Date "2003.07.15"]
[Round "6"]
[White "Hoang Ng Quang, Nguyen"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "74"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d3 h6 5. g3 Nf6 6. Bg2 Be7 7. Bf4 a6 8. 0-0 0-0 9. Nd2 d6 10. Be3 e5 11. h3 Nd4 12. a4 Bd7 13. f4 b5 14. axb5 axb5 15. Rxa8 Qxa8 16. Nf3 Qb8 17. f5 b4 18. Ne2 Nh5 19. Nexd4 cxd4 20. Bd2 Rc8 21. Qb1 Bc6 22. Rc1 Nf6 23. Qa2 Qb7 24. c4 bxc3 25. bxc3 Ra8 26. Qc2 Ba4 27. Qb1 Qxb1 28. Rxb1 Bc2 29. Rb7 Bf8 30. Ne1 Ra1 31. cxd4 Bxd3 32. dxe5 dxe5 33. Kh2 Bxe4 34. Bxe4 Nxe4 35. Be3 Bc5 36. Bxc5 Nxc5 37. Rb8+ Kh7 0-1

[Event "VIE-ch U13"]
[Site "Hue"]
[Date "2003.07.13"]
[Round "4"]
[White "Duong, Dinh Son"]
[Black "Le T Minh, Nhut"]
[Result "1/2-1/2"]
[ECO "C55"]
[PlyCount "79"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. h3 Nf6 5. Bc4 Be7 6. d3 h6 7. Be3 0-0 8. Qd2 Na5 9. Bb3 Nxb3 10. axb3 a6 11. 0-0 c6 12. Ne2 Qc7 13. Ng3 Be6 14. Nh2 Rad8 15. f4 exf4 16. Bxf4 Qb6+ 17. Kh1 d5 18. e5 Nd7 19. Nh5 g5 20. Bg3 f6 21. exf6 Nxf6 22. Nxf6+ Bxf6 23. Rae1 Rde8 24. Bd6 Rf7 25. Ng4 Bg7 26. Rxf7 Bxf7 27. Rxe8+ Bxe8 28. Qe2 Qd8 29. Qe6+ Kh7 30. Be5 Qd7 31. Qxd7 Bxd7 32. Bxg7 Kxg7 33. Ne5 Be6 34. d4 Kf6 35. Kg1 Kf5 36. Kf2 Ke4 37. c3 c5 38. Nf3 b6 39. Ke2 Kf5 40. Kf2 1/2-1/2

[Event "VIE-ch U13"]
[Site "Hue"]
[Date "2003.07.13"]
[Round "5"]
[White "Nguyen Le Phuc, Hao"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "108"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be3 Nf6 8. Be2 Be7 9. 0-0 0-0 10. f4 d6 11. Qe1 b5 12. Qg3 Kh8 13. Bf3 Bb7 14. Qh3 Rad8 15. g4 Nxd4 16. Bxd4 e5 17. Be3 exf4 18. Bxf4 Qc5+ 19. Kh1 d5 20. exd5 Nxd5 21. Nxd5 Bxd5 22. Bxd5 Rxd5 23. Qe3 Qc6 24. Qf3 Rc8 25. Be3 Bd6 26. Rac1 f6 27. Kg1 Re5 28. Qxc6 Rxc6 29. Bf4 Bc5+ 30. Kh1 Ree6 31. Rfe1 h6 32. Rxe6 Rxe6 33. Kg2 Re2+ 34. Kg3 g5 35. Bc7 Kg7 36. Kf3 Rf2+ 37. Ke4 Kf7 38. b4 Ba7 39. c4 Re2+ 40. Kd5 Be3 41. Rc3 Rd2+ 42. Ke4 Bd4 43. Rd3 Rxd3 44. Kxd3 Bb2 45. a4 bxa4 46. b5 axb5 47. cxb5 Ke7 48. Kc4 Kd7 49. b6 Be5 50. Kb4 Bxc7 51. bxc7 Kxc7 52. Kxa4 Kd6 53. Kb4 Ke5 54. Kc4 Kf4 0-1

[Event "VIE-ch U13"]
[Site "Hue"]
[Date "2003.07.12"]
[Round "3"]
[White "Nguyen, Bao Trung"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "86"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 Nc6 5. Nf3 Qc7 6. Be3 Nf6 7. Nbd2 Bb4 8. Bd3 d6 9. a3 Bxd2+ 10. Qxd2 a6 11. 0-0 0-0 12. Bg5 Ne8 13. Rac1 f6 14. d5 fxg5 15. dxc6 bxc6 16. Nxg5 e5 17. Bc4+ Kh8 18. Bd5 Bd7 19. Nf7+ Rxf7 20. Bxf7 Nf6 21. Rfe1 Rf8 22. Bc4 Ng4 23. Re2 Rf4 24. g3 Rf6 25. Rc3 Qb6 26. Rb3 Qa7 27. Qb4 h5 28. Qb8+ Qxb8 29. Rxb8+ Kh7 30. Bxa6 h4 31. Rd8 Be6 32. Bb7 Bc4 33. Rd2 h3 34. Bc8 Ne3 35. Bxh3 Rh6 36. fxe3 Rxh3 37. R8xd6 Bb5 38. b3 Ba6 39. Rxc6 Bb7 40. Rc7 Bxe4 41. Rdd7 Rh5 42. Rxg7+ Kh6 43. Rg4 Bd3 1-0

[Event "VIE-ch U13"]
[Site "Hue"]
[Date "2003.07.11"]
[Round "2"]
[White "Duong, Dinh Son"]
[Black "Pham, Minh Tai"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "124"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Be7 6. e3 0-0 7. cxd5 exd5 8. Bd3 Bg4 9. h3 Bh5 10. 0-0 Nbd7 11. Be2 Re8 12. Qc2 Bg6 13. Qb3 Rb8 14. Rad1 h6 15. Bh4 Ne4 16. Bxe7 Qxe7 17. Nd2 Qg5 18. Ndxe4 dxe4 19. Rfe1 Bf5 20. Kh2 h5 21. Bf1 Qf6 22. Ne2 Be6 23. Qa3 Qxf2 24. Ng3 Bd5 25. Be2 h4 26. Nh1 Qf6 27. Bg4 Qe7 28. Qxe7 Rxe7 29. a3 Nb6 30. Nf2 Nc4 31. Rb1 b5 32. Nd1 Be6 33. Be2 c5 34. dxc5 Rc7 35. Bxc4 Bxc4 36. b4 a5 37. Nf2 Kf8 38. Rbd1 axb4 39. axb4 Re7 40. Rd4 f5 41. Ra1 Rbb7 42. Ra8+ Kf7 43. Rh8 g5 44. Rd6 Rbd7 45. Rdh6 Rd2 46. c6 Be6 47. c7 Rc2 48. Rxe6 Kxe6 49. c8Q+ Rxc8 50. Rxc8 Rd7 51. Rc2 Ke5 52. Kg1 f4 53. Rc5+ Rd5 54. Rxd5+ Kxd5 55. exf4 gxf4 56. Kf1 e3 57. Nd3 Ke4 58. Ke2 Kf5 59. Kf3 e2 60. Kxe2 Ke4 61. Nc5+ Kd4 62. Kf3 Kc4 1-0

[Event "VIE-ch U13"]
[Site "Hue"]
[Date "2003.07.11"]
[Round "1"]
[White "Tran, Thanh Tu"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "103"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be3 Nf6 8. Be2 b5 9. 0-0 Bb7 10. f4 Be7 11. e5 Nxd4 12. Qxd4 Nd5 13. Nxd5 Bxd5 14. Rac1 Rc8 15. Bf3 Bxf3 16. Rxf3 0-0 17. Qd3 d5 18. Rh3 g6 19. c3 Qc4 20. Qd1 Rfd8 21. Bd4 Rd7 22. g4 a5 23. f5 Bg5 24. Rc2 b4 25. axb4 axb4 26. Rg2 b3 27. Rf3 Ra8 28. h4 Be7 29. h5 Qa4 30. Qd2 Qb5 31. hxg6 Ra1+ 32. Kh2 fxg6 33. fxe6 Rd8 34. Rf7 Rf8 35. Rxe7 Rff1 36. Rf7 Rh1+ 37. Kg3 Rad1 38. Qf4 Rd3+ 39. Be3 Qc5 40. Re2 Rf1 41. Qxf1 Rxe3+ 42. Kh4 g5+ 43. Kh5 Rxe2 44. Qxe2 Qg1 45. Rf2 Qb1 46. Rf8+ Kg7 47. Rf7+ Kg8 48. Rf6 Qh1+ 49. Kxg5 Qc1+ 50. Rf4 h6+ 51. Kf5 Qb1+ 52. Re4 1-0

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.08"]
[Round "9"]
[White "Ninh, Cong Quyen"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "B91"]
[PlyCount "112"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 Nc6 7. Bg2 e5 8. Nb3 Be7 9. Nd5 Be6 10. Be3 Bxd5 11. exd5 Nb8 12. a4 Nbd7 13. 0-0 0-0 14. a5 Rc8 15. c3 h6 16. Qe2 Nh7 17. h4 f5 18. Bh3 f4 19. Bd2 Kh8 20. Kh2 Rc7 21. Rg1 Nc5 22. Nxc5 Rxc5 23. c4 Rc7 24. b3 Bf6 25. Rae1 Re7 26. Qg4 Ref7 27. Qg6 Bxh4 28. gxh4 Qxh4 29. Ref1 Ng5 30. Rxg5 hxg5 31. Qe6 Rf5 32. Rg1 Qxf2+ 33. Rg2 Qh4 34. Kg1 R5f6 35. Qg4 Qxg4 36. Rxg4 e4 37. Rxg5 Kh7 38. Kf1 Kh6 39. Rg4 g5 40. Bg2 e3 41. Bc3 f3 42. Bxf6 fxg2+ 43. Rxg2 Rxf6+ 44. Ke2 Kh5 45. Kxe3 g4 46. b4 Rf3+ 47. Ke4 Kg5 48. c5 Rf4+ 49. Ke3 Rxb4 50. cxd6 Rf4 51. Rc2 Rf6 52. Kd4 Rxd6 53. Ke5 Rd8 54. Ke6 g3 55. d6 Re8+ 56. Kd7 Re5 1/2-1/2

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.07"]
[Round "8"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Mai Hung"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "52"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 c6 7. h3 Qc7 8. Be3 b6 9. 0-0 Nbd7 10. Rc1 Ba6 11. Qc2 Rac8 12. a3 Qb7 13. Rfd1 e6 14. Qd2 d5 15. e5 Ne8 16. cxd5 cxd5 17. Bh6 Bxe2 18. Nxe2 Nc7 19. Bxg7 Kxg7 20. Qf4 Nb5 21. h4 f6 22. Qg4 Rce8 23. a4 Nc7 24. b4 a6 25. Rc3 Qb8 26. Rdc1 Rc8 1-0

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.07"]
[Round "7"]
[White "Tran, Van Luan"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "70"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. h3 Nf6 5. Bc4 h6 6. d4 cxd4 7. Nxd4 a6 8. Bb3 e5 9. Nxc6 bxc6 10. 0-0 Be7 11. Qf3 0-0 12. Be3 Bb7 13. Rad1 Qc7 14. Ne2 d5 15. Ng3 d4 16. Bc1 c5 17. Bc4 Kh8 18. Rfe1 Nxe4 19. Rxe4 f5 20. Nxf5 g6 21. g4 Bxe4 22. Qxe4 gxf5 23. gxf5 Bg5 24. Bxg5 hxg5 25. f6 Rab8 26. h4 gxh4 27. Qxh4+ Qh7 28. Qxh7+ Kxh7 29. b3 Rxf6 30. Re1 Re8 31. Bxa6 Rxa6 32. f4 Rxa2 33. Re2 e4 34. Rh2+ Kg7 35. Rh3 Rxc2 0-1

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.06"]
[Round "6"]
[White "Duong, Dinh Son"]
[Black "Vu, Thanh Tu"]
[Result "0-1"]
[ECO "E14"]
[PlyCount "108"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. c4 b6 5. Nc3 Bb7 6. cxd5 exd5 7. Bd3 a6 8. 0-0 Bd6 9. h3 0-0 10. Qc2 Qe7 11. Re1 Ne4 12. Nd2 f5 13. Qb3 Qf7 14. Bxe4 fxe4 15. Rf1 Nd7 16. f4 Kh8 17. Qd1 Rae8 18. Rf2 g5 19. Ne2 Qh5 20. Qf1 Nf6 21. g4 Qg6 22. Qg2 c5 23. f5 Qg7 24. b3 Qc7 25. Bb2 c4 26. Rc1 b5 27. a4 Qa5 28. Ng3 Rc8 29. bxc4 bxc4 30. Bc3 Qxa4 31. Ra1 Qd7 32. Raf1 Qc7 33. Nh5 Nxh5 34. gxh5 Rf6 35. Qg4 Rg8 36. Rg2 h6 37. Kh1 Qe7 38. Rb1 Bc8 39. Rf2 Rgf8 40. Rbf1 Bb4 41. Bxb4 Qxb4 42. Rb1 Qe7 43. Qg3 Qd6 44. Qxd6 Rxd6 45. Rb8 Kg7 46. Nf1 Bd7 47. Rb7 Rf7 48. h4 Rdf6 49. Ng3 gxh4 50. Ne2 Rxf5 51. Nf4 h3 52. Rb6 R5f6 53. Rb7 Bg4 54. Rxf7+ Kxf7 0-1

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.05"]
[Round "5"]
[White "Dinh, Giang Nam"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "77"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 a6 4. c4 e6 5. Nc3 Nge7 6. d4 cxd4 7. Nxd4 g6 8. e5 Bg7 9. Ne4 0-0 10. Nxc6 dxc6 11. Qxd8 Rxd8 12. Nd6 Nf5 13. c5 f6 14. Bc4 fxe5 15. Nxc8 Nd4 16. Nb6 Nc2+ 17. Ke2 Nxa1 18. Nxa8 Rxa8 19. Bxe6+ Kh8 20. fxe5 Re8 21. Rd1 Bxe5 22. Bh6 Bg7 23. Bxg7+ Kxg7 24. Rxa1 Rxe6+ 25. Kf3 Re5 26. Rd1 Rxc5 27. Rd7+ Kh6 28. Rxb7 Rb5 29. Rxb5 cxb5 30. b4 g5 31. g4 Kg6 32. Ke4 h5 33. h3 hxg4 34. hxg4 Kf6 35. Kd5 Kf7 36. Ke5 Kg6 37. Ke6 Kg7 38. Kf5 Kf7 39. Kxg5 1-0

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.04"]
[Round "3"]
[White "Doan, Truong"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "E85"]
[PlyCount "63"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 e5 8. d5 Ne7 9. Nge2 Ne8 10. Bg5 c6 11. Ng3 f6 12. Bh6 cxd5 13. Bxg7 Kxg7 14. cxd5 Bd7 15. Bd3 a6 16. 0-0 f5 17. exf5 Nxf5 18. Nge4 Nf6 19. Kh1 Qe7 20. Rac1 Rac8 21. Nxf6 Qxf6 22. Ne4 Qe7 23. Rxc8 Rxc8 24. g4 Nd4 25. Qb4 Bb5 26. Bxb5 axb5 27. Qxd6 Qxd6 28. Nxd6 Rd8 29. Nxb7 Rxd5 30. f4 Ne2 31. fxe5 Rxe5 32. Nd6 1/2-1/2

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.04"]
[Round "4"]
[White "Duong, Dinh Son"]
[Black "Ngo, Manh Ha"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "46"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. c4 c6 6. Nc3 Qb6 7. Qb3 Nbd7 8. Be2 Qxb3 9. axb3 Bb4 10. 0-0 0-0 11. Rfc1 Ne4 12. h3 Ndf6 13. Ra4 Bd6 14. Bxd6 Nxd6 15. c5 Nde4 16. b4 Nxc3 17. bxc3 Ne4 18. Bd3 Nxc5 19. bxc5 Bxd3 20. Ne5 Bb5 21. Ra3 f6 22. Nf3 Be2 23. Nd2 e5 0-1

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.03"]
[Round "2"]
[White "Duong, Dinh Son"]
[Black "Duong, Thanh Tung"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "71"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 b6 7. h3 Bb7 8. Qc2 c5 9. d5 Nbd7 10. Bf4 Nh5 11. Bh2 Ndf6 12. 0-0-0 a6 13. Nd2 Ne8 14. f4 e6 15. g4 exd5 16. exd5 Nc7 17. g5 f5 18. gxf6 Nxf6 19. Nde4 Bc8 20. Nxf6+ Bxf6 21. Bg4 Bd4 22. Ne4 Be3+ 23. Kb1 Bxf4 24. Bxf4 Rxf4 25. Rhf1 Rxf1 26. Rxf1 Ne8 27. Qf2 Qe7 28. Re1 Qf8 29. Qxf8+ Kxf8 30. Ng5 Bxg4 31. hxg4 h6 32. Ne6+ Kg8 33. Nf4 g5 34. Nh5 Rd8 35. Re6 Ng7 36. Rxh6 1/2-1/2

[Event "Hanoi nat op"]
[Site "Hanoi"]
[Date "2002.10.03"]
[Round "1"]
[White "Pham, Chuong"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B60"]
[PlyCount "127"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. Qd2 e5 8. Nb3 Be6 9. Be2 Be7 10. Rd1 h6 11. Bxf6 gxf6 12. Nd5 Bxd5 13. Qxd5 Qc7 14. c3 Rg8 15. g3 Rg7 16. Nd2 0-0-0 17. Nc4 Bf8 18. Ne3 Ne7 19. Qb3 Qc6 20. Qc4 Kc7 21. a4 Qxc4 22. Bxc4 h5 23. h4 Rh7 24. Ke2 Bh6 25. Nd5+ Nxd5 26. Rxd5 Rg7 27. Rd3 Rd7 28. Rf3 Rg4 29. Bd5 Bg7 30. Rf5 Rg6 31. Rxh5 Rh6 32. Rf5 Rh8 33. Ra1 Kd8 34. Ra3 Ke7 35. Rb3 Rb8 36. Rb6 a5 37. Kd3 Rc8 38. b3 Rcc7 39. Rb5 Rc5 40. Rf3 Rxb5 41. axb5 Bh6 42. b6 Bc1 43. Kc4 Ba3 44. Kb5 Rd8 45. Kxa5 Rb8 46. Ka4 Bc1 47. Kb5 Bd2 48. b4 Be1 49. c4 Ra8 50. Bxb7 Rb8 51. Bd5 Bxb4 52. Kxb4 Rxb6+ 53. Kc3 Rb1 54. Kc2 Ra1 55. Rb3 Rf1 56. Rb7+ Kd8 57. Kd3 Rxf2 58. Ke3 Rf1 59. Ke2 Ra1 60. Kf3 Rf1+ 61. Kg4 f5+ 62. exf5 f6 63. h5 Rh1 64. Bxh1 1-0

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.08.05"]
[Round "9"]
[White "Nguyen, Hao Hiep"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "109"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 b5 9. a3 Bb7 10. Bd3 Nbd7 11. 0-0 0-0 12. Nce2 Rc8 13. Ng3 Ne5 14. Nb3 d5 15. exd5 Nxd3 16. Qxd3 Qxd5 17. Rad1 Qxd3 18. cxd3 Rc2 19. Rf2 Rfc8 20. Rfd2 Rxd2 21. Rxd2 Nd5 22. Bf2 Bg5 23. Rd1 Rc2 24. Rb1 Be3 25. Nh1 g6 26. Bxe3 Nxe3 27. Nf2 e5 28. Na5 Bd5 29. b4 f5 30. h3 Ra2 31. Nb3 Rxa3 32. Nc5 Ra2 33. Nd7 e4 34. Nf6+ Kg7 35. Nxd5 Nxd5 36. dxe4 fxe4 37. Nxe4 Ra4 38. Nc5 Rxb4 39. Rd1 Nc3 40. Rd7+ Kh6 41. Nxa6 Rb1+ 42. Kh2 b4 43. Rb7 b3 44. Nc5 b2 45. Rb6 Kg7 46. Kg3 Kf7 47. Kf2 Ke7 48. Nd3 Kd7 49. Rb3 Kd6 50. Kg3 Nd1 51. Kf4 Kd5 52. Rb4 h6 53. h4 Nc3 54. Rb7 Rh1 55. Kg3 1-0

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.08.03"]
[Round "8"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Manh Truong"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "103"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e3 d6 6. Bd3 Bg4 7. h3 Bxf3 8. Qxf3 c6 9. 0-0 Nbd7 10. Rb1 Rb8 11. Bd2 c5 12. Rfe1 Nh5 13. Qe2 Re8 14. dxc5 Nxc5 15. b4 Nxd3 16. Qxd3 Qc7 17. Nb5 Qb6 18. a4 a6 19. a5 Qc6 20. Nd4 Bxd4 21. exd4 Rbc8 22. Rec1 Qd7 23. d5 Ng7 24. b5 Ra8 25. Rc2 Rec8 26. Rcb2 Qc7 27. bxa6 bxa6 28. g4 Qxc4 29. Qxc4 Rxc4 30. Rb8+ Rc8 31. Rxa8 Rxa8 32. Rb7 e6 33. dxe6 Nxe6 34. Rd7 Nd4 35. Rxd6 Nf3+ 36. Kg2 Nxd2 37. Rxd2 Re8 38. Rd6 Re6 39. Rb6 Kg7 40. Kf3 Kf6 41. h4 h6 42. Rxe6+ Kxe6 43. Ke4 f5+ 44. gxf5+ gxf5+ 45. Kd4 h5 46. f3 Kd6 47. f4 Ke6 48. Kc5 Ke7 49. Kd5 Kf6 50. Kd6 Kf7 51. Ke5 Kg6 52. Ke6 1-0

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.08.01"]
[Round "7"]
[White "Bui, Duc Khuong"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "76"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bc4 Nbd7 7. Bf4 c5 8. dxc5 Nxc5 9. e5 Nfe4 10. Nxe4 Nxe4 11. Qd5 dxe5 12. Bxe5 Nf6 13. Qxd8 Rxd8 14. 0-0 Bf5 15. c3 Rac8 16. Bb3 e6 17. Rad1 h6 18. Nd4 Be4 19. Rfe1 Bd5 20. g3 a6 21. Bxd5 Rxd5 22. Nb3 Rcd8 23. Rxd5 Rxd5 24. Bd4 Nd7 25. Bxg7 Kxg7 26. Kg2 e5 27. Re2 f5 28. Rd2 Rxd2 29. Nxd2 Kf6 30. Kf3 Ke6 31. c4 Nc5 32. a3 Kd6 33. Ke3 b6 34. f3 g5 35. h4 f4+ 36. Kf2 Nd3+ 37. Kg2 fxg3 38. f4 gxf4 0-1

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.07.31"]
[Round "6"]
[White "Duong, Dinh Son"]
[Black "Ly, Quoc Long"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "64"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 Be7 7. Nf3 c6 8. Bd3 Qc7 9. 0-0 0-0 10. Qc2 h6 11. Bf4 Bd6 12. Nb5 cxb5 13. Qxc7 Bxc7 14. Bxc7 a6 15. Rac1 Re8 16. h3 Ne4 17. Bh2 f6 18. Rc7 Nb6 19. b3 g5 20. Rfc1 b4 21. R1c2 Ra7 22. Nd2 Bd7 23. Bxe4 dxe4 24. Nc4 Nxc4 25. R2xc4 Be6 26. Rxb4 Bd5 27. Rb6 Re6 28. Rxe6 Bxe6 29. Bd6 a5 30. Bc5 Ra6 31. Rxb7 a4 32. Re7 f5 1-0

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.07.29"]
[Round "4"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Dinh Quang"]
[Result "1/2-1/2"]
[ECO "A43"]
[PlyCount "110"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 e6 3. Nc3 Bxc5 4. Nf3 Nc6 5. Bf4 Nge7 6. e3 d5 7. Bd3 a6 8. a3 0-0 9. 0-0 Ng6 10. Ne2 Re8 11. Bxg6 fxg6 12. Ne5 Bd6 13. Nxc6 bxc6 14. Bxd6 Qxd6 15. c4 e5 16. Nc3 Be6 17. b4 Rad8 18. c5 Qc7 19. Ne2 Bf5 20. Qb3 Be6 21. Qc3 Rd7 22. Rad1 Red8 23. h3 Rf7 24. f4 exf4 25. Rxf4 Rxf4 26. exf4 Bf5 27. Qe5 Qxe5 28. fxe5 Re8 29. Nd4 Rxe5 30. Nxc6 Re3 31. Rxd5 Rxa3 32. Ne7+ Kf7 33. Nxf5 Ke6 34. Rd6+ Kxf5 35. Rb6 a5 36. c6 axb4 37. Rxb4 Rc3 38. Rb6 h5 39. Kh2 g5 40. Rb5+ Kf6 41. Rb6 Kf5 42. Ra6 g6 43. Rb6 h4 44. Ra6 g4 45. Ra5+ Kf6 46. hxg4 Rxc6 47. g3 Rc2+ 48. Kh3 hxg3 49. g5+ Ke6 50. Kxg3 Re2 51. Ra6+ Kf7 52. Ra7+ Re7 53. Rxe7+ Kxe7 54. Kf4 Ke6 55. Ke4 Kd6 1/2-1/2

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.07.29"]
[Round "5"]
[White "Luu, Cong Duc"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "55"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. a3 d6 5. b4 0-0 6. e3 c5 7. Nf3 Bg4 8. Be2 Nc6 9. b5 Na5 10. 0-0 Nd7 11. h3 Bxf3 12. Bxf3 Nb6 13. Qd3 Rb8 14. a4 Nbxc4 15. Bd5 Nb6 16. Ba2 cxd4 17. exd4 d5 18. Bd2 Nbc4 19. Nxd5 Nxd2 20. Qxd2 e6 21. Ne3 Bxd4 22. Rad1 e5 23. Ng4 b6 24. Kh1 h5 25. Qh6 hxg4 26. Qxg6+ Kh8 27. Qh6+ Kg8 28. Qg6+ 1/2-1/2

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.07.29"]
[Round "3"]
[White "Nguyen, The Vinh"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "109"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe4 5. cxd6 e6 6. Bd3 Nxd6 7. Bf4 Nc6 8. Nc3 Be7 9. a3 a6 10. 0-0 0-0 11. Qd2 f6 12. Bxd6 Bxd6 13. Rad1 Qc7 14. Bxh7+ Kxh7 15. Qxd6 Qxd6 16. Rxd6 Na5 17. Rd4 b5 18. Rfd1 e5 19. Rd8 Rxd8 20. Rxd8 Nc4 21. Nd1 Bb7 22. Rxa8 Bxa8 23. Ne1 e4 24. Kf1 Kg6 25. g3 f5 26. Ke2 Kf6 27. c3 g5 28. Nc2 f4 29. Nb4 a5 30. Nc2 a4 31. Nd4 Nd6 32. Kd2 Bd5 33. Kc2 Nf5 34. Nxb5 e3 35. gxf4 gxf4 36. fxe3 fxe3 37. Nxe3 Nxe3+ 38. Kd3 Nd1 39. Kc2 Bb3+ 40. Kc1 Ke5 41. Nd4 Ne3 42. Kd2 Nc4+ 43. Kc1 Ke4 44. Ne6 Kd5 45. Nd4 Kc5 46. Ne6+ Kb6 47. Nd4 Kc5 48. Ne6+ Kd6 49. Nd4 Ke5 50. h3 Kf4 51. Ne6+ Kg3 52. Nc5 Kxh3 53. Nxa4 Bxa4 54. Kb1 Bb3 55. Kc1 1/2-1/2

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.07.28"]
[Round "2"]
[White "Duong, Dinh Son"]
[Black "Ha, Duy Dien"]
[Result "1-0"]
[ECO "D04"]
[PlyCount "72"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bg4 3. e3 Nf6 4. h3 Bh5 5. Bd3 e6 6. 0-0 Bd6 7. c4 dxc4 8. Bxc4 0-0 9. Nbd2 Nc6 10. a3 a6 11. b4 b5 12. Bd3 e5 13. Qc2 Qd7 14. Bf5 Qe8 15. Bb2 Bxf3 16. Nxf3 g6 17. d5 Ne7 18. Be4 Nexd5 19. Bxd5 Nxd5 20. Rfd1 Nf6 21. Qc3 Nd7 22. Nh2 Qe7 23. f4 Rae8 24. e4 f6 25. f5 g5 26. h4 gxh4 27. Qh3 Kh8 28. Rd3 Rg8 29. Qxh4 Qg7 30. g4 Qg5 31. Qh3 Qf4 32. Re1 Nb6 33. Bc1 Qxh2+ 34. Kxh2 Rg7 35. Bh6 Rf7 36. Qh5 Ref8 1-0

[Event "VIE-ch U11"]
[Site "Vietnam"]
[Date "2002.07.26"]
[Round "1"]
[White "Lam Nguyen Duy, Anh"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "63"]
[EventDate "2002.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Qd5 b4 11. Qxc6+ Bd7 12. Qb7 bxa3 13. bxa3 Rc8 14. Nd5 Rxc2 15. Bd3 Qa5+ 16. Qb4 Rc5 17. Nxf6+ Kd8 18. Rb1 Be6 19. 0-0 Ke7 20. Nd5+ Bxd5 21. exd5 Rxd5 22. Qb7+ Kf6 23. Bc4 Rd4 24. Qxf7+ Kg5 25. Rb3 h5 26. Rg3+ Rg4 27. h4+ Kh6 28. Qf6+ Kh7 29. Bd3+ Kg8 30. Rxg4+ hxg4 31. Qe6+ Kg7 32. Qg6# 1-0

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "10"]
[White "Bach Ngoc Quy, An"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B55"]
[PlyCount "75"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e5 7. Nc2 Be6 8. Nc3 Nbd7 9. Be2 Be7 10. Ne3 0-0 11. g4 Ne8 12. Ncd5 Bh4+ 13. Kf1 Bxd5 14. Qxd5 Nc5 15. Nf5 Rb8 16. b3 Ne6 17. Ba3 Nf4 18. Qd2 Be7 19. Rd1 g6 20. Nxe7+ Qxe7 21. h4 f5 22. gxf5 gxf5 23. exf5 Rd8 24. Bb4 Rxf5 25. c5 Nxe2 26. Kxe2 e4 27. Rhg1+ Kf7 28. Rg5 exf3+ 29. Kf2 Rxg5 30. hxg5 d5 31. Qf4+ Kg6 32. Qxf3 d4 33. Rh1 Nc7 34. Qh5+ Kf5 35. Rf1 Qe3+ 36. Kg2+ Ke6 37. Qf7+ Ke5 38. Qf5# 1-0

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "9"]
[White "Chau, Quoc Hieu"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "73"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 d6 7. f3 e5 8. Nb3 Be6 9. Nd5 Bxd5 10. exd5 Na5 11. Be2 Be7 12. 0-0 Nxb3 13. axb3 0-0 14. c4 b5 15. Qd2 Qd7 16. Kh1 Ne8 17. cxb5 Qb7 18. bxa6 Qxb3 19. Ra3 Qb8 20. a7 Qd8 21. Rc1 Nc7 22. Bb6 Bg5 23. Qc2 Bxc1 24. Qxc1 Rc8 25. Rc3 Nxd5 26. Bxd8 Nxc3 27. bxc3 Rcxd8 28. Qa3 Ra8 29. Bb5 Rfc8 30. Qa5 g6 31. h3 Rc5 32. c4 d5 33. Qb6 Rcc8 34. cxd5 Rc1+ 35. Kh2 Rac8 36. Bc6 Ra1 37. Qb7 1-0

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "8"]
[White "Duong, Dinh Son"]
[Black "Ho, Thanh Ha"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "118"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e3 0-0 6. Be2 d6 7. 0-0 Nbd7 8. b3 b6 9. Bb2 Bb7 10. d5 Ne8 11. Qc2 Nc7 12. Ne4 Nf6 13. Nfd2 e5 14. Nxf6+ Qxf6 15. Ne4 Qe7 16. Ng3 f5 17. f3 Rae8 18. f4 Qh4 19. Rae1 Re7 20. fxe5 Bxe5 21. Bxe5 Rxe5 22. Bd3 Bc8 23. Rf4 Qh6 24. Qf2 Rfe8 25. e4 Qf8 26. h4 h6 27. Qc2 g5 28. hxg5 hxg5 29. Rff1 f4 30. Re2 Qh6 31. Nf5 Bxf5 32. exf5 Kf7 33. Rfe1 Re3 34. Rxe3 fxe3 35. g4 Qh4 36. Rf1 Qxg4+ 37. Qg2 Qxg2+ 38. Kxg2 Kf6 39. Kf3 e2 40. Bxe2 Kxf5 41. Bd3+ Ke5 42. Ke3 Nxd5+ 43. cxd5 Kxd5+ 44. Kd2 Re5 45. Rf7 a5 46. Kc3 Kc6 47. a4 d5 48. Bb5+ Kd6 49. Rb7 Re3+ 50. Kc2 g4 51. Rxb6+ Ke5 52. Rg6 g3 53. Rg5+ Kf4 54. Rxd5 g2 55. Rd1 Kg3 56. Bc6 Re6 57. Rd3+ Kh2 58. Bxg2 Kxg2 59. Rd5 Rc6 1-0

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "7"]
[White "Duong, Dinh Son"]
[Black "Huynh, Thanh Tinh"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "68"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ngf3 Qb6 8. Nb3 Be7 9. Be2 0-0 10. 0-0 f6 11. Qc2 f5 12. Ng5 Bxg5 13. fxg5 cxd4 14. cxd4 Nxd4 15. Nxd4 Qxd4+ 16. Kh1 Nxe5 17. Rd1 Qe4 18. Qc3 Qxe2 19. Re1 d4 20. Rxe2 dxc3 21. Rxe5 c2 22. h3 Rd8 23. Rc5 Rd1+ 24. Kh2 Bd7 25. Rxc2 Rc8 26. Rxc8+ Bxc8 27. b3 b6 28. Kg3 Bb7 29. Kf2 e5 30. g3 e4 31. h4 Kf7 32. Ke2 Rg1 33. Kf2 Rh1 34. Kg2 e3# 0-1

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "3"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Bao Trung"]
[Result "1-0"]
[ECO "E75"]
[PlyCount "73"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. d5 e6 8. Bg5 exd5 9. exd5 Re8 10. 0-0 Bf5 11. Bd3 Bxd3 12. Qxd3 Na6 13. a3 Nc7 14. Rae1 Qd7 15. Bxf6 Bxf6 16. Ne4 Bg7 17. Nfg5 f5 18. Nc3 a6 19. b4 cxb4 20. axb4 Bxc3 21. Qxc3 b5 22. c5 Nxd5 23. Qb3 dxc5 24. bxc5 Kg7 25. Rd1 Rad8 26. Rd2 Qc6 27. Rfd1 Nf4 28. Qf7+ Kh6 29. Qxh7+ Kxg5 30. h4+ Kg4 31. f3+ Kg3 32. Qh6 Qxc5+ 33. Kh1 Rxd2 34. Qg5+ Kf2 35. Rxd2+ Ne2 36. Kh2 Qe3 37. Qg3+ 1-0

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "9"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Ngoc Hiep"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "109"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 e6 6. Bd3 Bg6 7. 0-0 Nbd7 8. b3 Bd6 9. Bb2 0-0 10. Re1 Ne4 11. c5 Bc7 12. b4 Ndf6 13. h3 Rb8 14. b5 Ba5 15. Rc1 Qe8 16. a4 h6 17. Re2 Bh7 18. Rec2 Kh8 19. Ne2 Rg8 20. Bc3 Nxc3 21. Nxc3 Bxc3 22. Rxc3 Ne4 23. Rb3 f6 24. Rcb1 Qd7 25. bxc6 Qc8 26. Bb5 Qc7 27. Bd3 Qa5 28. Bxe4 dxe4 29. Rb5 Qc7 30. Nd2 Bg6 31. Nc4 Be8 32. R5b4 Bxc6 33. Nd6 b6 34. Qb3 Qd7 35. a5 Kh7 36. axb6 axb6 37. Rxb6 Bd5 38. Qb5 Rxb6 39. Qxb6 Rf8 40. Ra1 e5 41. Ra7 Qe6 42. Qc7 Rg8 43. Qe7 Qxe7 44. Rxe7 exd4 45. exd4 Rd8 46. Nxe4 Bxe4 47. Rxe4 f5 48. Rf4 g5 49. Rxf5 Rxd4 50. g4 Kg6 51. Kf1 Re4 52. f3 Rc4 53. Ke2 Kg7 54. Kd3 Ra4 55. c6 1-0

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "3"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Thien Viet"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "23"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. b3 c6 4. Nc3 d5 5. c5 Bg7 6. Bb2 0-0 7. e3 Re8 8. f4 b6 9. b4 a5 10. a3 Ng4 11. h3 Nxe3 12. Nf3 0-1

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "7"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Tien Hung"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "64"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 e6 3. Nf3 Nc6 4. b3 Nf6 5. Bb2 Bxc5 6. Nbd2 d5 7. e3 Bd7 8. Bd3 0-0 9. 0-0 Re8 10. a3 a6 11. c4 dxc4 12. Nxc4 b5 13. Nce5 Nxe5 14. Nxe5 Bf8 15. Qf3 Rb8 16. Rad1 Qc7 17. Qh3 h6 18. Bb1 Bc8 19. f4 Bb7 20. Rc1 Qb6 21. b4 Rbd8 22. Rf2 Ne4 23. Bxe4 Bxe4 24. Re1 a5 25. Bd4 Qa6 26. g4 axb4 27. g5 Ba8 28. gxh6 gxh6 29. Qg4+ Kh7 30. f5 Qb7 31. Nf3 e5 32. Rg2 Bd6 1-0

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "11"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Tuan Minh"]
[Result "0-1"]
[ECO "E51"]
[PlyCount "64"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Nf3 0-0 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 Nxd5 9. Bd3 Nd7 10. 0-0 b6 11. Qc2 h6 12. e4 Ne7 13. Qe2 Bb7 14. Nh4 cxd4 15. cxd4 Kh8 16. Bb2 Rc8 17. Qd2 Ng8 18. g3 Ndf6 19. e5 Ne4 20. Bxe4 Bxe4 21. f4 Rc2 22. Qe1 Bb7 23. Rf2 Qd5 24. Ng2 Rfc8 25. Rc1 Rxc1 26. Bxc1 Qxd4 27. Be3 Qc3 28. Rd2 Qxa3 29. Rd7 Bxg2 30. Kxg2 Ne7 31. Qd2 Nd5 32. Bd4 Qb3 0-1

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "6"]
[White "Duong, Dinh Son"]
[Black "Phan, Dang Khoa"]
[Result "1-0"]
[ECO "D01"]
[PlyCount "78"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nd7 3. Nf3 Ngf6 4. Nc3 e6 5. e3 Be7 6. Bd3 0-0 7. Ne2 c6 8. c3 b6 9. Bc2 Bb7 10. Qd3 Ne4 11. Bxe7 Qxe7 12. 0-0 f5 13. Ng3 c5 14. b3 Rac8 15. Nd2 cxd4 16. cxd4 Rc3 17. Qe2 Rxc2 18. Ngxe4 fxe4 19. Rfc1 Rxc1+ 20. Rxc1 Rc8 21. Rxc8+ Bxc8 22. Qb5 Nf6 23. Nb1 Qd7 24. Qb4 Qc7 25. Qe1 Ba6 26. Nc3 Bd3 27. h3 Ne8 28. Qc1 Nd6 29. Qa3 Nb5 30. Nxb5 Bxb5 31. Qb4 Qd7 32. a4 Ba6 33. a5 Qc7 34. Qa4 b5 35. Qb4 Kf7 36. Kf1 Qe7 37. Qd2 Qa3 38. b4 Qa1+ 39. Ke2 Qb1 1-0

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "1"]
[White "Duong, Dinh Son"]
[Black "Phan, Nhat Thanh"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "75"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 c6 2. c4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. Bf4 0-0 6. e3 d6 7. Be2 Nbd7 8. Qc2 a6 9. 0-0 b5 10. cxb5 cxb5 11. Nd2 Bb7 12. Nde4 Rc8 13. Qd3 Rxc3 14. Nxc3 Nb6 15. Bf3 Bxf3 16. gxf3 Qd7 17. Ne4 Nh5 18. Bg3 Nc4 19. b3 Nb6 20. Kg2 f5 21. Ng5 h6 22. Nh3 g5 23. Rg1 Qe6 24. Rae1 Qd7 25. Qd2 Qb7 26. Qe2 Nd5 27. Rc1 f4 28. exf4 gxf4 29. Bh4 Kh8 30. Qe6 Bxd4 31. Qxh6+ Kg8 32. Qxh5 Rf7 33. Kh1+ Kf8 34. Qh6+ Ke8 35. Rc8+ Kd7 36. Rgg8 Qxc8 37. Rxc8 Kxc8 38. Qe6+ 1-0

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "1"]
[White "Duong, Dinh Son"]
[Black "Tran, Duc Tu"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "118"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. e3 0-0 6. Nf3 c5 7. a3 Qa5 8. Bd3 dxc4 9. Bxc4 Bxc3+ 10. Qxc3 Qxc3+ 11. bxc3 Nc6 12. 0-0 Ne4 13. Bb2 Nd6 14. Bd3 c4 15. Bc2 b5 16. Ng5 h6 17. Ne4 Nxe4 18. Bxe4 Bb7 19. a4 a6 20. Bxc6 Bxc6 21. a5 Be4 22. Ba3 Rfe8 23. f3 Bd3 24. Rf2 Rad8 25. e4 f6 26. Re1 Kf7 27. f4 Rd7 28. e5 Rd5 29. Bb4 f5 30. h3 g5 31. g4 Rg8 32. Kh2 Rdd8 33. gxf5 Bxf5 34. Rg1 g4 35. hxg4 Rxg4 36. Rxg4 Bxg4 37. Kg1 Kg6 38. Kf1 Kf5 39. Ke1 h5 40. Kd2 Rh8 41. Ke3 Rh7 42. d5 exd5 43. Kd4 Ke6 44. Kc5 h4 45. Kb6 h3 46. Rh2 Kf5 47. Bd6 b4 48. Bxb4 Kxf4 49. Bd6 Be6 50. Kxa6 Kg3 51. Rh1 h2 52. Kb6 Kg2 53. Rxh2+ Rxh2 54. a6 Kf3 55. a7 Ra2 56. Kb7 d4 57. cxd4 c3 58. Bf8 Bd5+ 59. Kb8 c2 0-1

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "5"]
[White "Duong, Dinh Son"]
[Black "Vu, Anh Quan"]
[Result "0-1"]
[ECO "A81"]
[PlyCount "62"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 d5 3. g3 e6 4. Bg2 c6 5. Nf3 Bd6 6. e3 Nf6 7. a3 Nbd7 8. 0-0 0-0 9. Ne2 Ne4 10. Nd2 Kh8 11. Nxe4 fxe4 12. c4 Nf6 13. Nc3 Bd7 14. b4 Be8 15. c5 Bc7 16. a4 a6 17. Rb1 Qe7 18. b5 Ba5 19. bxa6 Bxc3 20. axb7 Rb8 21. Qb3 Ba5 22. Rd1 Rf7 23. Bh3 Rxb7 24. Qxb7 Qxb7 25. Rxb7 Rxb7 26. Bxe6 Bh5 27. Rf1 Be2 28. Bd2 Bxf1 29. Bxa5 Rb1 30. h4 Bh3+ 31. Kh2 Bxe6 0-1

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "8"]
[White "Hoang Ng Quang, Nguyen"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "B56"]
[PlyCount "97"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Be2 0-0 10. 0-0 Nc6 11. Qd2 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Rad1 Bxb3 15. axb3 Qxd2 16. Rxd2 Rad8 17. Rfd1 Rxd2 18. Rxd2 Rd8 19. Bd3 Bb4 20. c3 Be7 21. Bb6 Bg5 22. Rd1 Re8 23. Be4 Rc8 24. Rd7 Nd8 25. Bxd8 Rxd8 26. Rxd8+ Bxd8 27. Bxb7 a5 28. Kf2 Kf8 29. Ke3 Ke7 30. Ke4 Kd6 31. b4 axb4 32. cxb4 f6 33. Kd3 g6 34. Kc4 Bb6 35. Kb5 Bd4 36. b3 f5 37. Ka6 Bg1 38. h3 Bd4 39. b5 Kc7 40. Bd5 Bb6 41. Bg8 e4 42. fxe4 fxe4 43. Bc4 e3 44. g4 h5 45. gxh5 gxh5 46. h4 Bd4 47. Be2 Kb8 48. Bxh5 Bf6 49. Be2 1/2-1/2

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "4"]
[White "Le, Minh Tu"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "66"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 e5 7. d5 Na6 8. Be3 c6 9. Ng3 Nc7 10. Be2 cxd5 11. cxd5 Nfe8 12. 0-0 f5 13. exf5 Bxf5 14. Nxf5 gxf5 15. f4 e4 16. Rc1 Nf6 17. Qb3 Qe7 18. Rfd1 b6 19. Nb5 Nxb5 20. Qxb5 Kh8 21. Kh1 Nd7 22. Rg1 Nc5 23. b3 Rf6 24. g4 Re8 25. g5 Rff8 26. g6 h6 27. Rg3 Qf6 28. Qc4 a6 29. Bxc5 bxc5 30. Qc2 a5 31. Rcg1 Qd4 32. Bc4 e3 33. Re1 Qxf4 0-1

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "5"]
[White "Ngo, Trung Tin"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "A15"]
[PlyCount "140"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. b3 g6 3. g3 Bg7 4. Bb2 0-0 5. Bg2 c5 6. e3 Nc6 7. Ne2 d6 8. d4 Qc7 9. 0-0 b6 10. Na3 a6 11. d5 Na7 12. Nc2 Bb7 13. e4 b5 14. Ne3 Rae8 15. f4 e6 16. e5 dxe5 17. Bxe5 Qd7 18. dxe6 Qxd1 19. Raxd1 Bxg2 20. exf7+ Rxf7 21. Nxg2 Nd7 22. Bxg7 Rxe2 23. Bh6 Rxa2 24. Rd5 Nc6 25. Re1 Nf6 26. Rd6 Nd7 27. Rxc6 Rf6 28. Re8+ Kf7 29. Rxf6+ Nxf6 30. Rf8+ Ke7 31. Rc8 Ng4 32. Bg5+ Kd7 33. Rd8+ Kc6 34. Rd1 Rb2 35. h3 Nf2 36. Rf1 Nxh3+ 37. Kh2 Nxg5 38. fxg5 Rxb3 39. cxb5+ axb5 40. Nf4 c4 41. Rc1 Kc5 42. Ne6+ Kb4 43. Nf8 Ka3 44. Nxh7 Kb2 45. Rg1 Rf3 46. Kg2 Rf7 47. Nf6 c3 48. Nd5 c2 49. Nb4 Rc7 50. Nd3+ Kc3 51. Nc1 b4 52. Rf1 Rd7 53. Na2+ Kb3 54. Rf2 Kxa2 55. Rxc2+ Ka3 56. Rc6 Rg7 57. Kf3 b3 58. Rb6 b2 59. Kf4 Rf7+ 60. Ke5 Rf5+ 61. Ke4 Ka2 62. Ra6+ Kb1 63. Rxg6 Rc5 64. Kf4 Rb5 65. Re6 Kc2 66. Re2+ Kd3 67. Rxb2 Rxb2 68. g6 Rb6 69. Kg5 Ke4 70. g7 Rb3 1/2-1/2

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "4"]
[White "Nguyen, Hoang Chinh"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "91"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. Nf3 Nc6 8. d5 Ne7 9. Nd2 Ne8 10. c5 f5 11. f3 f4 12. Bf2 Nf6 13. Nc4 b6 14. cxd6 cxd6 15. Qa4 Bb7 16. Qa3 Nc8 17. Rc1 Rf7 18. 0-0 Bf8 19. Rc2 a5 20. b4 axb4 21. Qxb4 Nd7 22. Rb1 Ba6 23. Nxb6 Ncxb6 24. Bxb6 Nxb6 25. Qxb6 Qxb6+ 26. Rxb6 Bxe2 27. Nxe2 Rfa7 28. Nc3 Rc7 29. Rc6 Rb7 30. a4 Be7 31. Kf2 Kf7 32. Nb5 Rd8 33. Rc7 Rxc7 34. Rxc7 Ke8 35. Rc6 Kd7 36. Rc7+ Ke8 37. Rb7 Rc8 38. a5 Rc2+ 39. Kf1 Rc1+ 40. Ke2 Rc2+ 41. Kd1 Ra2 42. a6 Rxg2 43. Na3 Ra2 44. Rb3 Rxh2 45. a7 Kf7 46. a8Q 1-0

[Event "VIE-chT"]
[Site "Thua Thien Hue"]
[Date "2001.??.??"]
[Round "2"]
[White "Nguyen, Khuong Duy"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "68"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nc6 5. Bc4 Nf6 6. 0-0 e6 7. Re1 Be7 8. d3 0-0 9. Qe2 e5 10. Nd5 Bg4 11. h3 Nd4 12. Qd1 Bxf3 13. gxf3 Nh5 14. c3 Ne6 15. Kh2 Bg5 16. Rg1 Bf4+ 17. Bxf4 Nhxf4 18. Nxf4 Nxf4 19. Rg3 g6 20. Qg1 Kg7 21. Re1 f5 22. b3 fxe4 23. dxe4 Qa5 24. Re3 b5 25. axb5 axb5 26. Bd5 Nxd5 27. exd5 Qa2 28. h4 Rf5 29. Qg2 Qxb3 30. Qh3 Qc2 31. Rg2 h5 32. Qg3 Rf4 33. Re4 Rf6 34. Re3 Qd1 0-1

[Event "VIE-ch U11"]
[Site "Ho Chi Minh City"]
[Date "2001.??.??"]
[Round "2"]
[White "Nguyen, Viet Trung"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C04"]
[PlyCount "47"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Bb4 5. c3 Ba5 6. Bd3 Nf6 7. e5 Nd7 8. Nb3 h6 9. 0-0 Bb6 10. Be3 Na5 11. Nfd2 0-0 12. Qh5 Re8 13. f4 Nf8 14. Rf3 f5 15. g4 Nxb3 16. Nxb3 fxg4 17. Rg3 Qe7 18. Rxg4 Kh8 19. Kf2 Nh7 20. Rag1 Rg8 21. Qxh6 g5 22. Rxg5 Rxg5 23. Rxg5 Bd7 24. Bxh7 1-0

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "1"]
[White "Dang, Van Hung"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "28"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Be3 Nf6 4. a3 g6 5. Bxc5 Qa5+ 6. b4 Qc7 7. Nd2 Bg7 8. Ra2 d6 9. Be3 0-0 10. h3 Bd7 11. Be2 a6 12. Ngf3 Na7 13. c4 e6 14. Bf4 Nh5 0-1

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "3"]
[White "Duong, Dinh Son"]
[Black "Le, Quang Liem"]
[Result "0-1"]
[ECO "D13"]
[PlyCount "76"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Nf3 Nc6 6. Bg5 e6 7. e3 h6 8. Bh4 Be7 9. Be2 0-0 10. 0-0 b6 11. a3 Bb7 12. Bd3 Rc8 13. Ne2 Ne4 14. Bxe7 Qxe7 15. Bxe4 dxe4 16. Nd2 f5 17. Nf4 Rfd8 18. Qb3 Na5 19. Qxe6+ Qxe6 20. Nxe6 Rd6 21. Nf4 Rc2 22. b4 Rxd2 23. bxa5 bxa5 24. Rab1 Rb6 25. g3 g5 26. Rxb6 axb6 27. Ng6 Ba6 28. Rb1 Bd3 29. Ra1 Kf7 30. Ne5+ Ke6 31. h3 b5 32. a4 b4 33. Rc1 b3 34. Nxd3 exd3 35. Rb1 b2 36. Kg2 Rc2 37. Kf3 d2 38. Ke2 Rc1 0-1

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "1"]
[White "Duong, Dinh Son"]
[Black "Le, Trong Bac"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "131"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Bg5 e6 5. e3 Be7 6. Qb3 b6 7. Bxf6 Bxf6 8. cxd5 exd5 9. Qxd5 Qxd5 10. Nxd5 Bd8 11. Ne2 Be4 12. Ndc3 Bb7 13. Nf4 0-0 14. Bd3 Bg5 15. Nfd5 Nc6 16. f4 Bh4+ 17. g3 Bd8 18. Rg1 Re8 19. Kf2 Ne7 20. Be4 Nxd5 21. Bxd5 Bxd5 22. Nxd5 c6 23. Nb4 Rc8 24. Rgc1 c5 25. Nd3 Bf6 26. Ne5 h6 27. Kf3 g6 28. Rab1 Bg7 29. Nd3 cxd4 30. e4 a5 31. e5 Kh7 32. Ke4 f6 33. Kxd4 g5 34. Rxc8 Rxc8 35. Rc1 Rd8+ 36. Ke4 Kg6 37. f5+ Kh5 38. e6 Kg4 39. Nf2+ Kh5 40. g4+ Kh4 41. Rc7 Bf8 42. Rf7 Bc5 43. Rd7 Re8 44. Rh7 Bxf2 45. Kf3 Kh3 46. Rxh6+ Bh4 47. Rxf6 Kxh2 48. Rf7 Kg1 49. e7 Bf2 50. f6 Bc5 51. Rg7 a4 52. Rxg5 Bxe7 53. fxe7 Rxe7 54. Rd5 Rf7+ 55. Kg3 Rf1 56. g5 Re1 57. g6 a3 58. bxa3 Re3+ 59. Kf4 Rxa3 60. g7 Ra8 61. Rg5+ Kf2 62. g8Q Rxg8 63. Rxg8 Ke2 64. Rg3 Kd2 65. Ke4 Kc2 66. Rb3 1-0

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "4"]
[White "Duong, Dinh Son"]
[Black "Luu, Cong Tung"]
[Result "1-0"]
[ECO "D60"]
[PlyCount "37"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 0-0 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. Bd3 Nf6 11. 0-0 Bg4 12. h3 Bh5 13. Be2 Qd6 14. Ne5 Bxe2 15. Qxe2 Nd7 16. Nxd7 Qxd7 17. Rac1 c6 18. Rc3 a6 19. Rfc1 1-0

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "7"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Minh Hung"]
[Result "0-1"]
[ECO "D12"]
[PlyCount "86"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bf5 5. e3 e6 6. Be2 dxc4 7. Bxc4 Bd6 8. 0-0 0-0 9. Re1 Bc7 10. e4 Bg6 11. Bg5 e5 12. dxe5 Qxd1 13. Raxd1 Ng4 14. e6 Na6 15. Rd7 b5 16. Bb3 Bb6 17. Bh4 Nc5 18. exf7+ Bxf7 19. Rxf7 Rxf7 20. Bxf7+ Kxf7 21. h3 Nd3 22. Rf1 Ngxf2 23. Kh2 Kg8 24. b3 Rf8 25. e5 Ba5 26. Bxf2 Nxf2 27. Rxf2 Bxc3 28. Rc2 Ba5 29. Rxc6 Bb6 30. e6 Re8 31. Rc2 h6 32. Re2 Kh7 33. Nh4 g5 34. Nf5 Kg6 35. Nd6 Bc7 36. Kg3 Bxd6+ 37. Kf3 Kf6 38. Kg4 Kg6 39. Re4 h5+ 40. Kf3 Kf6 41. h4 g4+ 42. Kf2 Rxe6 43. Rd4 Bc5 0-1

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "9"]
[White "Duong, Dinh Son"]
[Black "Phung, Ba Mau"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "96"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. e3 Nf6 5. Nf3 e6 6. a3 Nbd7 7. Be2 Nb6 8. c5 Nbd7 9. 0-0 b6 10. b4 a5 11. Bb2 g6 12. Qd2 Bg7 13. Rfc1 Rb8 14. Na4 Ne4 15. Qe1 bxc5 16. bxc5 Ndxc5 17. Nxc5 Rxb2 18. Nxe4 dxe4 19. Nd2 Qd7 20. Nc4 Rb8 21. Nxa5 e5 22. Nxc6 Rc8 23. Bb5 0-0 24. dxe5 Bxe5 25. Rab1 Qd6 26. Rd1 Qf6 27. Nxe5 Qxe5 28. a4 Rb8 29. Rd4 Be6 30. h3 f5 31. Bc4 Bxc4 32. Rxc4 Rxb1 33. Qxb1 Rb8 34. Qa2 Kh8 35. Qa3 h5 36. Rb4 Rd8 37. Rb1 f4 38. Qa1 Qxa1 39. Rxa1 fxe3 40. fxe3 Kg7 41. a5 Kf7 42. a6 Ke7 43. a7 Ra8 44. Ra6 Kd8 45. Rxg6 Rxa7 46. Rg8+ Kc7 47. Rg7+ Kb6 48. Rxa7 Kxa7 1-0

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "5"]
[White "Duong, Dinh Son"]
[Black "Tran, Manh Tien"]
[Result "1/2-1/2"]
[ECO "D51"]
[PlyCount "73"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 h6 6. Bh4 c6 7. Nf3 Bb4 8. a3 Bxc3+ 9. bxc3 Qa5 10. Qb3 0-0 11. Qb4 Qd8 12. Bd3 b6 13. 0-0 c5 14. Qb5 Bb7 15. cxd5 exd5 16. Bf5 Bc8 17. a4 Rb8 18. Qd3 c4 19. Qc2 Re8 20. Rfe1 a6 21. e4 dxe4 22. Bxe4 Bb7 23. Bxb7 Rxb7 24. Rxe8+ Qxe8 25. Re1 Qc8 26. Qf5 g6 27. Qc2 b5 28. axb5 axb5 29. Ne5 g5 30. Bg3 Nxe5 31. Rxe5 b4 32. cxb4 Rxb4 33. Rc5 Qa6 34. h3 Qa1+ 35. Kh2 Qxd4 36. Rc8+ Kg7 37. f3 1/2-1/2

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "6"]
[White "Duong, Dinh Son"]
[Black "Truong, Dang Quang"]
[Result "1-0"]
[ECO "D50"]
[PlyCount "119"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. e3 cxd4 6. Qxd4 Nc6 7. Qd2 Bb4 8. Qc2 h6 9. Bh4 a6 10. Nf3 0-0 11. Be2 Be7 12. Rd1 Nh5 13. Bxe7 Nxe7 14. 0-0 Nf6 15. Nd4 Qc7 16. cxd5 exd5 17. Rc1 Qd8 18. Rfd1 Bd7 19. Qb3 Rb8 20. Na4 Bxa4 21. Qxa4 Qe8 22. Qxe8 Rfxe8 23. h3 Rbc8 24. Bf3 Red8 25. Rxc8 Rxc8 26. Rd2 g6 27. Rc2 Nc6 28. b3 Ne7 29. a4 Rxc2 30. Nxc2 Nc6 31. b4 Kf8 32. Kf1 Ke7 33. b5 axb5 34. axb5 Ne5 35. Be2 Kd6 36. Nd4 Ned7 37. Ke1 Nc5 38. g4 Nce4 39. f3 Nc3 40. Bd3 Ne8 41. Kd2 Na4 42. Nb3 Kc7 43. Kc2 Nd6 44. Nd4 Nc5 45. Be2 Ne6 46. Nxe6+ fxe6 47. Kc3 Kb6 48. Kb4 Nf7 49. h4 Ne5 50. f4 Nf7 51. Bd3 g5 52. hxg5 hxg5 53. Bg6 gxf4 54. Bxf7 fxe3 55. Kc3 Kxb5 56. g5 Kc5 57. g6 e5 58. g7 d4+ 59. Kd3 e4+ 60. Ke2 1-0

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "8"]
[White "Duong, Dinh Son"]
[Black "Truong, Dinh Vy"]
[Result "0-1"]
[ECO "D32"]
[PlyCount "40"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. cxd5 exd5 7. dxc5 Bxc5 8. Bb5 a6 9. Bxc6+ bxc6 10. h3 0-0 11. 0-0 Ba7 12. Nd4 Qd6 13. b3 c5 14. Nde2 Bb8 15. g3 Bxh3 16. Re1 Bg4 17. Qd2 Rd8 18. Ba3 Ba7 19. Na4 Ne4 20. Qb2 Bf3 0-1

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "2"]
[White "Duong, Dinh Son"]
[Black "Vo, Duy Han"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "14"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bg4 5. Qc2 e6 6. a3 Nbd7 7. h3 Bh5 1/2-1/2

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "2"]
[White "Giang, Nam Trung"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "112"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e3 d6 5. Be2 0-0 6. Bf3 c6 7. Nge2 Na6 8. 0-0 Nc7 9. Bg5 d5 10. Rb1 Nfe8 11. b4 f6 12. Bh4 Nd6 13. Bg3 Nc4 14. Bxc7 Qxc7 15. a4 Bf5 16. Rb3 e5 17. e4 dxe4 18. Nxe4 Be6 19. Rd3 f5 20. Nc5 Bf7 21. dxe5 Nxe5 22. Re3 Rad8 23. Qc1 Bh6 24. Re1 Nxf3+ 25. gxf3 Bxe3 26. Qxe3 Rfe8 27. Qc3 Qe7 28. Kf1 b6 29. Nd3 c5 30. b5 Bd5 31. Ndf4 Qb7 32. Nxd5 Qxd5 33. Kg2 Qd2 34. Qc4+ Kg7 35. Kf1 Rd4 36. Qb3 Rh4 37. Qb2+ Kh6 38. Qb1 Rxh2 39. Kg1 Rh4 40. Rd1 Qxe2 41. Kg2 Qe7 42. Qc1+ Kg7 43. Qb2+ Kg8 44. Qc1 Qe5 45. Rh1 f4 46. Rxh4 g5 47. Rh5 Kg7 48. Qh1 Qf5 49. c4 Re6 50. Qd1 Re7 51. Qd6 Qf6 52. Qd3 Qg6 53. Qc3+ Kg8 54. Rh1 h5 55. Rd1 g4 56. Qc1 gxf3+ 0-1

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "5"]
[White "Nguyen, Duc Hoa"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "33"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. Bb5 Bd7 6. exd5 exd5 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bb6 10. c3 0-0 11. Bg5 Be6 12. Bxc6 bxc6 13. Nfd4 Bxd4 14. Nxd4 Qd7 15. Bxe7 Qxe7 16. Nxc6 Qb7 17. Nb4 1-0

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "6"]
[White "Nguyen, Hao Hiep"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "93"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e5 7. Nf3 Be7 8. Bd3 Qb6 9. Bxf6 Qxb2 10. Nd5 gxf6 11. Nc7+ Kd8 12. Nxa8 Rg8 13. Rg1 Qc3+ 14. Nd2 Nd4 15. Kf1 b6 16. Nb3 Bb7 17. Nxb6 axb6 18. Qd2 Qb2 19. c3 Qxd2 20. Nxd2 Ne6 21. g3 Nc5 22. Ke2 Rg6 23. Nb3 Na4 24. Kd2 h5 25. Bb5 Nc5 26. Nxc5 dxc5 27. Ke3 Kc7 28. Rgd1 Bc8 29. Bc4 Rg7 30. a4 Bd7 31. a5 b5 32. Bd5 c4 33. a6 Bc5+ 34. Ke2 Ba7 35. Bb7 f5 36. Rd5 fxe4 37. Rad1 Bg4+ 38. Ke1 Bxd1 39. Kxd1 f6 40. Rxb5 Bxf2 41. Bxe4 Kd6 42. Kd2 Bc5 43. Bb7 h4 44. Rxc5 Kxc5 45. a7 Rg8 46. a8Q Rxa8 47. Bxa8 1-0

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "7"]
[White "Nguyen, Nhat Duong"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "126"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bd3 Nbd7 7. Be3 c5 8. d5 Ne5 9. Nge2 Qb6 10. 0-0 Nxd3 11. Qxd3 Qxb2 12. Nb5 Qb4 13. Bd2 Qa4 14. Rab1 Ne8 15. Rb3 a6 16. Ra3 axb5 17. Rxa4 bxa4 18. Bc3 Bxc3 19. Nxc3 Nc7 20. f4 Bd7 21. Rb1 Ra7 22. Rb6 a3 23. f5 Na6 24. Qe3 Nb4 25. fxg6 fxg6 26. Rxb4 cxb4 27. Qxa7 bxc3 28. Qxa3 b5 29. Qxc3 bxc4 30. Qxc4 Rc8 31. Qb4 Rf8 32. a4 Bg4 33. Qb2 Bc8 34. e5 Ba6 35. h3 Bc4 36. exd6 exd6 37. Qd4 Ba2 38. Qe4 Rf5 39. Qe6+ Kg7 40. Qxd6 Rxd5 41. Qc7+ Kg8 42. a5 Rf5 43. Qb8+ Rf8 44. Qb2 Bd5 45. a6 Ba8 46. a7 Bd5 47. Qe5 Ba8 48. Qe6+ Kg7 49. Qd6 Kg8 50. Kh2 Kg7 51. Kg3 Kg8 52. h4 Kg7 53. Kh3 Kg8 54. g3 Kg7 55. h5 gxh5 56. Kh4 Bf3 57. Kg5 Rf7 58. Qe5+ Kg8 59. Kh6 Kf8 60. Qb8+ Ke7 61. a8Q Bxa8 62. Qxa8 Rf6+ 63. Kxh5 Kf7 1-0

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "3"]
[White "Phan, Nhat Thanh"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "28"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d3 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. Nc3 c5 7. e4 Nc6 8. a3 Bg4 9. Be3 Nd7 10. Qd2 Bxf3 11. Bxf3 Nde5 12. Bg2 Ng4 13. f4 Nxe3 14. Rf3 Nxg2 0-1

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "4"]
[White "Tran, Ngoc Lan"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "42"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. Bg5 d6 5. e3 0-0 6. Bd3 Nbd7 7. Qd2 c5 8. 0-0-0 a6 9. Kb1 b5 10. b3 Bb7 11. dxc5 dxc5 12. Bxf6 Nxf6 13. Rhg1 Qb6 14. Ng5 Rad8 15. Qe2 Nh5 16. Nxh7 Rfe8 17. Ne4 Kxh7 18. Ng5+ Kg8 19. a4 Qf6 20. c3 Qxc3 21. Rc1 Qxb3+ 0-1

[Event "Nam Tieu hoc"]
[Site "Dong Thap"]
[Date "2000.??.??"]
[Round "9"]
[White "Trinh, Binh Nguyen"]
[Black "Duong, Dinh Son"]
[Result "1/2-1/2"]
[ECO "B60"]
[PlyCount "130"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e5 7. Nb3 Be7 8. Qd2 Be6 9. 0-0-0 a6 10. Kb1 Qc7 11. g3 0-0-0 12. Bg2 h6 13. Be3 Ng4 14. f3 Nxe3 15. Qxe3 Bxb3 16. axb3 Nd4 17. Qd3 Kb8 18. f4 Rhf8 19. Bh3 Rfe8 20. Rd2 g5 21. Rg2 f6 22. Bg4 Qc5 23. Nd5 Nc6 24. f5 Rd7 25. c3 Na5 26. b4 Qc4 27. Qxc4 Nxc4 28. Bh5 Rf8 29. Be2 Nd2+ 30. Kc2 Nxe4 31. Bf3 Nc5 32. bxc5 dxc5 33. Rd1 b5 34. Rgd2 Rf7 35. Ne3 Rxd2+ 36. Rxd2 Bf8 37. Bh5 Rc7 38. Rd8+ Rc8 39. Rxc8+ Kxc8 40. Nd5 Bg7 41. Be2 Kd7 42. b3 Kd6 43. Ne3 e4 44. c4 b4 45. Nd5 Bh8 46. Kd2 a5 47. Ke3 Bg7 48. Kxe4 Bh8 49. h4 Bg7 50. hxg5 hxg5 51. Ne3 Bh8 52. Nd1 Bg7 53. Nb2 Bf8 54. Nd3 Kc6 55. Bd1 Kd6 56. Kf3 Kd7 57. Kg4 Ke8 58. Kh5 Kf7 59. Nf2 Bd6 60. Ne4 Bf8 61. Nxg5+ fxg5 62. Kxg5 Be7+ 63. Kf4 Bd6+ 64. Ke4 Bxg3 65. Kd5 Bf2 1/2-1/2

[Event "VIE-ch U09"]
[Site "Ha Tinh"]
[Date "2000.??.??"]
[Round "8"]
[White "Vu, Hai Ninh"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "76"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 e6 5. 0-0 Be7 6. d3 0-0 7. d4 cxd4 8. Nxd4 a6 9. Nxc6 dxc6 10. Qxd8 Rxd8 11. Bg5 b5 12. Bd3 Bb7 13. e5 Nd5 14. Bxe7 Nxe7 15. Ne4 Rd5 16. f4 c5 17. b3 Rad8 18. Nd6 Bc6 19. f5 exf5 20. Nxf5 Rxe5 21. Rad1 Nxf5 22. Bxf5 Rxd1 23. Rxd1 g6 24. Bh3 Re2 25. Rc1 Be4 26. c4 b4 27. Ra1 f5 28. a3 a5 29. axb4 axb4 30. Ra5 Rb2 31. Rxc5 Rxb3 32. Rc8+ Kg7 33. c5 Rc3 34. Rc7+ Kh6 35. Ra7 b3 36. Ra1 b2 37. Re1 Rc1 38. Rxc1 bxc1Q+ 0-1

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "2"]
[White "Bao, Quang"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "77"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. c4 h6 6. Nc3 c6 7. Be2 Bd6 8. 0-0 0-0 9. h3 Be6 10. c5 Bc7 11. Bd3 Nbd7 12. Re1 Re8 13. b4 a6 14. Bc2 Nf8 15. Ne5 N6d7 16. Bf4 Bxe5 17. Bxe5 Qg5 18. Qd3 g6 19. f4 Nxe5 20. Rxe5 Qxf4 21. Rf1 Qh4 22. Qd2 Kg7 23. Rf4 Qd8 24. Re1 a5 25. b5 Bd7 26. bxc6 bxc6 27. Na4 Rxe1+ 28. Qxe1 Qe8 29. Qd2 Ne6 30. Rf1 Qe7 31. Nb6 Ra7 32. Ba4 Ng5 33. Re1 Qd8 34. Qf4 Ne6 35. Qe5+ Kg8 36. Nxd7 Qxd7 37. Bxc6 Qxc6 38. Qb8+ Kg7 39. Qxa7 1-0

[Event "VIE-ch U09"]
[Site "Dong Thap"]
[Date "1999.??.??"]
[Round "7"]
[White "Bui, Trung Hieu"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "38"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 Bxc5 5. Bd3 Nc6 6. c3 Nxe5 7. Be3 Bxe3 8. fxe3 Qb6 9. e4 Nxd3+ 10. Qxd3 Qxb2 11. exd5 Qxa1 12. Qb5+ Bd7 13. Qxb7 Rc8 14. dxe6 Bxe6 15. Qb5+ Bd7 16. Qe5+ Ne7 17. Qe4 0-0 18. Ne2 Bc6 19. Qxe7 Qxb1+ 1-0

[Event "VIE-ch U09"]
[Site "Dong Thap"]
[Date "1999.??.??"]
[Round "8"]
[White "Chau, Quang Vinh"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "17"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nf3 Nf6 4. Bg5 Nbd7 5. e5 c5 6. exf6 cxd4 7. fxg7 Rg8 8. Bxd8 Bxg7 9. Bg5 1-0

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "8"]
[White "Doan, Huu Dung"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "102"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 g6 6. 0-0 Bg7 7. Re1+ Be6 8. Ng5 0-0 9. Nxe6 fxe6 10. Rxe6 Qd7 11. Re2 Ng4 12. c3 Qd6 13. g3 Qf6 14. Qf1 Nd7 15. h3 Nh6 16. Qg2 c6 17. Be3 Nf5 18. Bxf5 Qxf5 19. Na3 Rae8 20. Rae1 Nf6 21. Nb1 Rf7 22. Nd2 Rfe7 23. g4 Qc8 24. Nf1 b6 25. Ng3 Qa6 26. a3 Kf7 27. Qf3 Kg8 28. Bg5 Rxe2 29. Rxe2 Rxe2 30. Qxe2 Qxe2 31. Nxe2 Ne4 32. Bf4 Bf8 33. f3 Nd6 34. Bxd6 Bxd6 35. g5 Kf7 36. h4 Ke6 37. Kg2 Kf5 38. Kf2 c5 39. Ke3 c4 40. a4 a5 41. Kf2 Bc7 42. Ke1 Bd6 43. Kf2 Bc7 44. Ng3+ Kf4 45. Nf1 Kf5 46. Ne3+ Ke6 47. Ng2 Kf5 48. Ke3 Bd6 49. Kf2 Bc7 50. Ne3+ Ke6 51. Ng2 Kf5 1-0

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "11"]
[White "Duong, Dinh Son"]
[Black "Dao, Quang Minh"]
[Result "1/2-1/2"]
[ECO "A42"]
[PlyCount "50"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Be3 Nc6 6. d5 Ne5 7. Bd3 0-0 8. Nge2 c6 9. 0-0 e6 10. b3 Nxd3 11. Qxd3 c5 12. Rad1 e5 13. Bg5 h6 14. Be3 Kh7 15. f4 Nd7 16. f5 Nf6 17. fxg6+ fxg6 18. Rf2 Bd7 19. Rdf1 Qe7 20. Nb1 a6 21. Nec3 Rab8 22. a4 b6 23. Bd2 Qe8 24. Na3 Qd8 25. Kh1 Qe7 1/2-1/2

[Event "VIE-ch U09"]
[Site "Dong Thap"]
[Date "1999.??.??"]
[Round "1"]
[White "Duong, Dinh Son"]
[Black "Hoang, Van Thanh"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "22"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 h6 6. Qe2 d6 7. h3 Ne7 8. Be3 Bxe3 9. Qxe3 Nc6 10. Ne2 0-0 11. 0-0-0 Bd7 1-0

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "9"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Chi Binh"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "109"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 Nbd7 8. Be2 Nc5 9. Bxc5 dxc5 10. Nf3 Ne8 11. 0-0 Nd6 12. Qc2 f5 13. Nh2 fxe4 14. Nxe4 Nxe4 15. Qxe4 Bf5 16. Qe3 b6 17. Bg4 e4 18. Bxf5 gxf5 19. Rab1 Bd4 20. Qe2 Qg5 21. Kh1 Kh8 22. f3 e3 23. f4 Qg6 24. Nf3 Rad8 25. Ng5 Rd6 26. Ne6 Rxe6 27. dxe6 Qxe6 28. b3 a5 29. a4 Rd8 30. Rbd1 Rg8 31. Rf3 Qe4 32. Qd3 h5 33. Qe2 Kh7 34. Rd3 Re8 35. Rf1 Kh6 36. Rf3 h4 37. Kh2 Re7 38. Rf1 Rg7 39. Rf3 Re7 40. Rd1 Re6 41. Qe1 Qc2 42. Qxh4+ Kg7 43. Rg3+ Rg6 44. Qe7+ Kh6 45. Qf8+ Bg7 46. Rxg6+ Kxg6 47. Qe8+ Kh6 48. Qe6+ Kh7 49. Re1 Bd4 50. Rxe3 Bxe3 51. Qxe3 Kg6 52. Qg3+ Kf6 53. h4 Qe2 54. Qg5+ Ke6 55. Qg6+ 1-0

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "1"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Hoang Tuan"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "48"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qf3 Nd4 8. Qg3 Nxc2+ 9. Kd1 Nxa1 10. Qxe5+ Qe7 11. Qxe7+ Bxe7 12. Nxa1 0-0 13. Bg5 d6 14. Kc2 Be6 15. f4 h6 16. Bh4 Rfc8 17. Kb1 a6 18. Na4 Nxe4 19. Be1 Nd2+ 20. Bxd2 Bf5+ 21. Nc2 Bxc2+ 22. Ka1 Bxa4 23. Bc3 Bf6 24. Bxf6 Rc1# 0-1

[Event "VIE-ch U09"]
[Site "Dong Thap"]
[Date "1999.??.??"]
[Round "6"]
[White "Duong, Dinh Son"]
[Black "Nguyen, Tuan Loc"]
[Result "0-1"]
[ECO "B58"]
[PlyCount "24"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6 bxc6 8. 0-0 Bb7 9. Bg5 h6 10. Bxf6 Qxf6 11. Nd5 cxd5 12. Ba6 Bxa6 0-1

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "3"]
[White "Duong, Dinh Son"]
[Black "To, Ngoc Minh"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "51"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 d6 4. h3 Be7 5. d3 Nc6 6. Be3 Be6 7. Be2 h6 8. a3 a6 9. 0-0 Qd7 10. Nh2 g5 11. Bg4 0-0-0 12. b4 Rdg8 13. f3 h5 14. Bxe6 Qxe6 15. Ne2 g4 16. hxg4 hxg4 17. Ng3 gxf3 18. Qxf3 Ng4 19. Nxg4 Rxg4 20. Nf5 Rhg8 21. Nh6 Rxg2+ 22. Qxg2 Rxg2+ 23. Kxg2 Qg6+ 24. Kf2 Bh4+ 25. Ke2 Qg2+ 26. Kd1 0-1

[Event "VIE-ch U09"]
[Site "Dong Thap"]
[Date "1999.??.??"]
[Round "5"]
[White "Duong, Dinh Son"]
[Black "Tran, Manh Tien"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "58"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 d6 5. h3 Be7 6. d3 a6 7. Be3 Be6 8. Bxe6 fxe6 9. 0-0 Qd7 10. Ne2 0-0-0 11. c4 d5 12. cxd5 exd5 13. exd5 Qxd5 14. Ng3 Qxd3 15. Qxd3 Rxd3 16. Nf5 g6 17. Nh6 Rxe3 18. Nf7 Rf8 19. fxe3 Rxf7 20. Ng5 Rf8 21. Ne6 Rf7 22. Ng5 Rf8 23. Ne6 Rf7 24. Ng5 Rf8 25. Ne6 Rh8 26. Rac1 Kd7 27. Nc5+ Bxc5 28. Rxc5 Ke6 29. b4 Nd5 0-1

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "5"]
[White "Duong, Dinh Son"]
[Black "Vu, Nam Phong"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "64"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Be7 5. d3 d6 6. h3 0-0 7. 0-0 Be6 8. Bxc6 bxc6 9. Bg5 h6 10. Bxf6 Bxf6 11. Ne2 c5 12. c4 Be7 13. Nc3 c6 14. Re1 f5 15. Qe2 Bf6 16. Rad1 Rb8 17. b3 Qa5 18. Qd2 f4 19. Nd5 Qd8 20. Nxf6+ Rxf6 21. Qc3 Rg6 22. Kh2 Qd7 23. a3 Rxg2+ 24. Kxg2 Bxh3+ 25. Kh2 Qg4 26. Rg1 Qxf3 27. Qe1 Bd7 28. Rg2 Bh3 29. Rg1 Qh5 30. Rh1 f3 31. Qg1 Bg2+ 32. Kg3 Qg5+ 0-1

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "4"]
[White "Nguyen, Huy Cuong"]
[Black "Duong, Dinh Son"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "74"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 c4 5. Be3 Nc6 6. Nf3 Nge7 7. g3 Nf5 8. Bf4 Be7 9. Qc2 g5 10. Bc1 g4 11. Ng1 Qa5 12. Bd2 h5 13. h3 Rg8 14. hxg4 hxg4 15. Ne2 Bg5 16. Bxg5 Nfxd4 17. Nxd4 Nxd4 18. Qc1 Nf3+ 19. Ke2 Rxg5 20. Kd1 Rxe5 21. Bg2 Qa4+ 22. Qc2 Qxc2+ 23. Kxc2 Re2+ 24. Kc1 Rxf2 25. Bxf3 gxf3 26. Nd2 e5 27. Rf1 Rxf1+ 28. Nxf1 Bh3 29. Kd2 Ke7 30. Ke3 e4 31. Nd2 Rg8 32. Kf2 f5 33. Rh1 f4 34. Nxf3 fxg3+ 35. Kg1 exf3 36. Rxh3 Rg7 37. b3 Kd6 0-1

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "6"]
[White "Nguyen, Minh Thuan"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "47"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 c4 5. Nf3 Nc6 6. Be2 Nge7 7. 0-0 h6 8. Nbd2 g5 9. h3 a5 10. b3 b5 11. bxc4 bxc4 12. Rb1 h5 13. Nxg5 Bh6 14. Ngf3 0-0 15. Nh2 Bxd2 16. Bxd2 Ng6 17. Bxh5 Nge7 18. Qg4+ Kh7 19. Qg5 Ng6 20. Bxg6+ fxg6 21. Qh6+ Kg8 22. Qxg6+ Kh8 23. Bg5 Rg8 24. Qh6# 1-0

[Event "VIE-chT"]
[Site "Hue"]
[Date "1999.??.??"]
[Round "10"]
[White "Nguyen, Van Dien"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "105"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. e4 0-0 6. Ne2 c5 7. h3 Na6 8. 0-0 Nc7 9. Be3 Nd7 10. Nbc3 cxd4 11. Bxd4 Bxd4 12. Nxd4 Nb6 13. Qe2 e5 14. Ndb5 Nxb5 15. Nxb5 Be6 16. b3 a6 17. Nc3 Qc8 18. Kh2 Qd7 19. Rfd1 Qe7 20. Rd2 Rfd8 21. Rad1 Rac8 22. Qe3 Rc6 23. a4 Bxc4 24. a5 Bxb3 25. axb6 Bxd1 26. Nd5 Qf8 27. Rxd1 Rdc8 28. Qg5 Kh8 29. Qf6+ Qg7 30. Qxg7+ Kxg7 31. Ne7 Rc1 32. Rxd6 Rb8 33. Rd2 Rc5 34. Ra2 Rb5 35. Nd5 Rd8 36. g4 f5 37. gxf5 Rbxd5 38. f6+ Kxf6 39. exd5 Rd6 40. Rd2 Ke7 41. Rb2 h5 42. Kg3 g5 43. h4 g4 44. Be4 a5 45. Rb5 a4 46. f4 Kf6 47. Bb1 a3 48. Ba2 exf4+ 49. Kxf4 Rd8 50. Rc5 Rd6 51. Rc6 bxc6 52. b7 Rd8 53. dxc6 1-0

[Event "VIE-ch U09"]
[Site "Dong Thap"]
[Date "1999.??.??"]
[Round "2"]
[White "Ninh, Cong Quyen"]
[Black "Duong, Dinh Son"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "58"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 Nf6 3. Nf3 Nc6 4. Be2 d5 5. e5 Nd7 6. d4 Bb4 7. Bd2 Ne7 8. Nb5 Bxd2+ 9. Qxd2 a6 10. Nc3 c5 11. dxc5 Nxc5 12. Qf4 Ng6 13. Qb4 Nd7 14. Qd6 Qb6 15. 0-0 Qxb2 16. Na4 Qxc2 17. Bd1 Qc6 18. Nd4 Qxd6 19. exd6 0-0 20. Bc2 b5 21. Nc3 Nge5 22. f4 Nc4 23. f5 Nce5 24. Rae1 Ng4 25. fxe6 Ne3 26. exf7+ Rxf7 27. Bxh7+ Kf8 28. Rxf7+ Kxf7 29. Bd3 Nc4 1-0

