[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.17"]
[Round "7"]
[White "Mai, Van Duc"]
[Black "Doan, Nguyen Trung Tin"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1863"]
[BlackElo "1667"]
[PlyCount "84"]
[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. e3 c6 3. c4 Nf6 4. Nf3 e6 5. Nc3 Be7 6. Bd3 0-0 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. e4 a6 11. e5 Nd5 12. Nxd5 cxd5 13. Qc2 h6 14. Be3 Nc6 15. Rac1 Rc8 16. Qb1 Qb6 17. Nd2 Rc7 18. Nb3 Rfc8 19. Rfd1 a5 20. Nd2 a4 21. Nf3 b4 22. b3 a3 23. Rc2 Na7 24. Rxc7 Rxc7 25. Rc1 Rxc1+ 26. Qxc1 Qc6 27. Bxh6 Qxc1+ 28. Bxc1 Bc6 29. Kf1 Nb5 30. Bxb5 Bxb5+ 31. Ke1 Bd3 32. Be3 Be4 33. Kd2 Bxf3 34. gxf3 Kh7 35. Ke2 Kg6 36. f4 Kh5 37. Kf3 Kh4 38. Kg2 Kg4 39. f3+ Kf5 40. Bd2 Bf8 41. Kf2 Be7 42. Ke1 Bf8 1/2-1/2

[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.17"]
[Round "8"]
[White "Phan, Ba Viet"]
[Black "Mai, Van Duc"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1764"]
[BlackElo "1863"]
[PlyCount "38"]
[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 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Nb6 6. Bb3 Bf5 7. Ng3 Bg6 8. h4 h6 9. Ne5 Qd6 10. d4 e6 11. Nxg6 fxg6 12. Qg4 Kf7 13. Ne4 Qd7 14. h5 g5 15. Be3 Nf6 16. Nxf6 gxf6 17. 0-0-0 Rd8 18. Rhe1 Nd5 19. Qh3 b5 1/2-1/2

[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.16"]
[Round "6"]
[White "Nguyen Hau Phuoc, Vinh"]
[Black "Mai, Van Duc"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "1705"]
[BlackElo "1863"]
[PlyCount "70"]
[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 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 d5 8. cxd5 Nxd5 9. Qc2 Nd7 10. e4 Nxc3 11. bxc3 c5 12. Rd1 cxd4 13. cxd4 Nf6 14. Ne5 Rc8 15. Qe2 Qc7 16. Bg5 h6 17. Rac1 Qd8 18. Rxc8 Qxc8 19. Bxf6 Bxf6 20. Ng4 Bg5 21. h4 Be7 22. Qd2 f5 23. exf5 Bxg2 24. Kxg2 exf5 25. Ne5 f4 26. Nf3 fxg3 27. fxg3 Qg4 28. Qd3 Bd6 29. Ne5 Bxe5 30. dxe5 Qe6 31. Qd5 Qxd5+ 32. Rxd5 Rf5 33. Rd8+ Kf7 34. Rd7+ Kg6 35. Rxa7 Rxe5 1/2-1/2

[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.15"]
[Round "5"]
[White "Mai, Van Duc"]
[Black "Nguyen, Thai Duong"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1863"]
[BlackElo "1762"]
[PlyCount "113"]
[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 e6 2. c4 d5 3. e3 Nf6 4. Nf3 Be7 5. Bd3 0-0 6. 0-0 dxc4 7. Bxc4 b6 8. b3 Bb7 9. Bb2 Nbd7 10. Nc3 c5 11. Qe2 Rc8 12. Rfd1 Qc7 13. d5 exd5 14. Nxd5 Nxd5 15. Bxd5 Bf6 16. Bxb7 Qxb7 17. Rd3 Bxb2 18. Qxb2 Nf6 19. Rad1 h6 20. Ne5 b5 21. Nd7 Nxd7 22. Rxd7 Rc7 23. Rd8 Rc8 24. R8d7 Qb6 25. h3 Rfd8 26. Qd2 Rxd7 27. Qxd7 Rb8 28. Rc1 Rd8 29. Qf5 Qc7 30. g3 Qc6 31. Kh2 c4 32. bxc4 bxc4 33. Qc2 Rc8 34. Qc3 Qf3 35. Kg1 Qe4 36. Qd4 Qxd4 37. exd4 Kf8 38. Kf1 Ke7 39. Ke2 Kd6 40. Kd2 Kd5 41. Kc3 Re8 42. Rc2 Re1 43. Kd2 Re4 44. Kc3 Rxd4 45. Re2 Rd3+ 46. Kc2 Ra3 47. Kb2 Rf3 48. Kc2 Kd4 49. Re7 Rxf2+ 50. Kd1 Rxa2 51. Rxf7 g5 52. Rf6 Kc3 53. Rxh6 Ra1+ 54. Ke2 Ra5 55. Rh8 Rb5 56. h4 gxh4 57. gxh4 0-1

[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.15"]
[Round "4"]
[White "Ngo, Quang Nhat"]
[Black "Mai, Van Duc"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1867"]
[BlackElo "1863"]
[PlyCount "76"]
[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. c4 e6 2. d4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. 0-0 d6 9. Qc2 Nbd7 10. e4 e5 11. d5 g6 12. b4 a5 13. a3 Qe7 14. Rfe1 Rfb8 15. Nb3 Qf8 16. bxa5 bxa5 17. a4 Qd8 18. c5 dxc5 19. Nxc5 Nxc5 20. Qxc5 Qd6 21. Rac1 Ne8 22. Qc3 f6 23. Rb1 Bc8 24. Rxb8 Rxb8 25. Qxa5 Qb6 26. Qxb6 Rxb6 27. Bf1 Ba6 28. Bxa6 Rxa6 29. Ra1 Nd6 30. Nd2 c6 31. dxc6 Rxc6 32. Kf1 Kf7 33. Ke2 Ke6 34. Kd3 Ra6 35. a5 Kd7 36. Nb3 Kc6 37. Rc1+ Kb5 38. Rc7 Kb4 1/2-1/2

[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.14"]
[Round "3"]
[White "Mai, Van Duc"]
[Black "Truong, Anh Kiet"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1863"]
[BlackElo "1766"]
[PlyCount "86"]
[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. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 b6 6. Bd3 Bb7 7. 0-0 0-0 8. a3 Bxd2 9. Nbxd2 d5 10. Qe2 Nbd7 11. e4 dxe4 12. Nxe4 c5 13. Rfd1 cxd4 14. Nxd4 Nc5 15. Nxc5 Qxc5 16. Nc2 Qg5 17. Ne3 h5 18. Rac1 Rac8 19. b4 Ng4 20. Nxg4 hxg4 21. Be4 Bxe4 22. Qxe4 e5 23. Qe3 Qg6 24. c5 f5 25. Rd6 Rf6 26. Rxf6 Qxf6 27. c6 f4 28. Qb3+ Qf7 29. Qxf7+ Kxf7 30. b5 Rd8 31. Kf1 Ke7 32. Ke2 Rh8 33. Rd1 Rxh2 34. Rd7+ Ke8 35. Rd5 Rh8 36. Rxe5+ Kd8 37. Rg5 f3+ 38. gxf3 gxf3+ 39. Kxf3 Rh3+ 40. Kg2 Rxa3 41. Rxg7 Ra5 42. f4 Rxb5 43. Kf3 Rc5 1/2-1/2

[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.13"]
[Round "1"]
[White "Mai, Van Duc"]
[Black "Truong, Tan Thanh"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1863"]
[BlackElo "1846"]
[PlyCount "107"]
[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. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Be7 6. Bd3 0-0 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. e4 a6 11. e5 Nd5 12. Nxd5 cxd5 13. Qb3 Nc6 14. Be3 Rc8 15. Rfc1 Qb6 16. Qd1 Nb4 17. a3 Nxd3 18. Qxd3 Rc4 19. Nd2 Rc7 20. Nb3 Rfc8 21. Nc5 b4 22. a4 a5 23. b3 Bxc5 24. dxc5 Qc6 25. Bd4 Ba6 26. Qg3 Rd8 27. f4 Bc8 28. Re1 Qe8 29. f5 Qf8 30. f6 g6 31. Qh4 Ba6 32. Re3 Rdc8 33. Rc1 Rxc5 34. Rxc5 Rxc5 35. Bxc5 Qxc5 36. Qh6 Qf8 37. Qxf8+ Kxf8 38. Kf2 Ke8 39. Re1 Bb7 40. Ke3 Kd7 41. Kd4 Kc6 42. Re3 Ba6 43. Rh3 h5 44. g4 Be2 45. gxh5 Bxh5 46. Rg3 Kb6 47. Rg1 Kc6 48. Rc1+ Kb6 49. Rc8 g5 50. Rg8 Bd1 51. Rg7 Bxb3 52. Rxf7 Bxa4 53. Re7 b3 54. f7 1-0

[Event "VIE-ch U15"]
[Site "Ho Chi Minh City"]
[Date "2014.07.13"]
[Round "2"]
[White "Nguyen, Dinh Trung"]
[Black "Mai, Van Duc"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1751"]
[BlackElo "1863"]
[PlyCount "82"]
[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. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 0-0 8. 0-0 d6 9. Nc3 Nbd7 10. Rad1 Ne4 11. Nxe4 Bxe4 12. Qf4 Nf6 13. Nd2 Bxg2 14. Kxg2 Qe7 15. Ne4 Nxe4 16. Qxe4 Qf6 17. Qc6 Qe7 18. e4 Rfd8 19. Rd2 Qd7 20. Qxd7 Rxd7 21. Rc1 Kf8 22. f4 Rad8 23. d5 Re8 24. Kf3 Rde7 25. Rd4 e5 26. fxe5 Rxe5 27. g4 g6 28. Kf4 f5 29. gxf5 gxf5 30. exf5 Re2 31. b4 Rxh2 32. Kg3 Rxa2 33. c5 bxc5 34. bxc5 Re5 35. cxd6 cxd6 36. Rc6 Ke7 37. f6+ Kxf6 38. Rxd6+ Ke7 39. Rh6 Ra5 40. d6+ Kd8 41. Rxh7 Rad5 1/2-1/2

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "9"]
[White "Le, Minh Tu"]
[Black "Mai, Van Duc"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1663"]
[BlackElo "1985"]
[PlyCount "65"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 d6 8. 0-0 Nbd7 9. Qc2 0-0 10. e4 e5 11. Rad1 Qe7 12. Rfe1 Rfe8 13. Nh4 g6 14. dxe5 dxe5 15. Nb1 Nf8 16. Nc3 c6 17. Bh3 Bc8 18. Bxc8 Raxc8 19. Nf3 Qc7 20. c5 b5 21. b4 Rcd8 22. Rxd8 Rxd8 23. Rd1 Rxd1+ 24. Qxd1 N6d7 25. Nd2 a5 26. a3 a4 27. Nf3 f6 28. Nh4 Nb8 29. Qf3 Kg7 30. Qg4 Kf7 31. Ng2 Qd8 32. Qd1 Qxd1+ 33. Nxd1 1/2-1/2

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "4"]
[White "Mai, Van Duc"]
[Black "Le, Quang Tra"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "1985"]
[BlackElo "1825"]
[PlyCount "96"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 g6 5. Bd3 Bg7 6. 0-0 0-0 7. b3 b6 8. Bb2 Bb7 9. Nbd2 Nbd7 10. Rc1 Rc8 11. Qc2 c5 12. Qb1 dxc4 13. bxc4 e6 14. Rfd1 Nh5 15. Be4 Ba6 16. d5 exd5 17. Bxd5 Qe7 18. Bxg7 Nxg7 19. Qb2 Nf6 20. Qa3 Nxd5 21. cxd5 Be2 22. Re1 Bxf3 23. Nxf3 f5 24. Red1 Rfd8 25. Rd3 Rd6 26. Qa6 Rcd8 27. Rcd1 Ne8 28. Qc4 Qe4 29. Nd2 Qe7 30. Nb1 Kg7 31. Nc3 R6d7 32. a4 Nd6 33. Qa2 a6 34. Qb2 Rb7 35. Ne4+ Kg8 36. Nxd6 Qxd6 37. h3 Re8 38. f3 b5 39. axb5 axb5 40. Rb3 b4 41. Qc2 Rbe7 42. Kf2 Ra8 43. Rd2 Ra1 44. g3 Rea7 45. Qd3 Rh1 46. f4 Raa1 47. Rbb2 Ra3 48. Rb3 Rh2+ 0-1

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "2"]
[White "Mai, Van Duc"]
[Black "Pham, Hai Lam"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1985"]
[BlackElo "1978"]
[PlyCount "89"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nf3 g6 5. Bd3 Bg7 6. 0-0 0-0 7. b3 b6 8. Bb2 Bb7 9. Nbd2 Nbd7 10. Qe2 c5 11. Rfd1 Rc8 12. Rac1 Re8 13. cxd5 exd5 14. Ba6 Bxa6 15. Qxa6 Re7 16. Qd3 Ne4 17. Qb1 Ndf6 18. dxc5 Rxc5 19. Rxc5 bxc5 20. Nxe4 Nxe4 21. Bxg7 Kxg7 22. Qd3 Nf6 23. Qc3 Qd6 24. Rc1 Rc7 25. Qe5 Qxe5 26. Nxe5 Kf8 27. Kf1 Ke7 28. Ke2 Nd7 29. Nxd7 Kxd7 30. Kd3 Kd6 31. b4 c4+ 32. Kd4 Re7 33. f3 f5 34. Re1 Kc6 35. a4 a6 36. e4 fxe4 37. fxe4 Kd6 38. e5+ Ke6 39. Rf1 Rb7 40. Rf6+ Ke7 41. Kc3 Rd7 42. Kd4 Rc7 43. Kxd5 c3 44. Rf1 c2 45. Rc1 1-0

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "8"]
[White "Mai, Van Duc"]
[Black "Phan, Luong"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1985"]
[BlackElo "1836"]
[PlyCount "62"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nf3 Be7 5. Bd3 b6 6. 0-0 Bb7 7. b3 Nbd7 8. Bb2 0-0 9. Nbd2 c5 10. Rc1 Rc8 11. Qe2 cxd4 12. exd4 dxc4 13. bxc4 b5 14. cxb5 Nd5 15. g3 N7f6 16. Ne4 Qb6 17. Ne5 Rfd8 18. Nxf6+ Nxf6 19. Nc4 Qxb5 20. Nd6 Qd5 21. Nxb7 Rxc1 22. Nxd8 Rxf1+ 23. Qxf1 Bxd8 24. Bc4 Qb7 25. Bb3 h6 26. Ba3 Bb6 27. Qd3 Qd7 28. Bb2 e5 29. d5 Ng4 30. Kg2 Nxf2 31. Qe2 Qh3+ 0-1

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "6"]
[White "Mai, Van Duc"]
[Black "Phan Ba Thanh, Cong"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "1985"]
[BlackElo "1841"]
[PlyCount "80"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 g6 5. Bd3 Bg7 6. 0-0 Bg4 7. h3 Bxf3 8. Qxf3 0-0 9. b3 Nbd7 10. Bb2 e6 11. Nd2 Qa5 12. Qe2 a6 13. e4 Rfd8 14. e5 Ne8 15. c5 b6 16. cxb6 Qxb6 17. Rac1 Rdc8 18. Rc2 Bf8 19. Rfc1 c5 20. Qe3 Rc7 21. Nf3 Rac8 22. Qf4 h6 23. g3 Qa5 24. a3 Qb6 25. Nd2 Qb7 26. Qe3 cxd4 27. Rxc7 Rxc7 28. Qxd4 Rxc1+ 29. Bxc1 Nc7 30. b4 Nb5 31. Bxb5 Qxb5 32. Nf3 Bg7 33. Kg2 Nb6 34. Qh4 Qc4 35. Qd8+ Kh7 36. Qxb6 Qxc1 37. Qxa6 Qb2 38. Qd3 Bxe5 39. Nxe5 Qxe5 40. b5 Qd6 1/2-1/2

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "3"]
[White "Nguyen, Huu An"]
[Black "Mai, Van Duc"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1974"]
[BlackElo "1985"]
[PlyCount "94"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be3 Qb6 6. b3 Bb4+ 7. Nbd2 Be4 8. Ng5 Bg6 9. Bd3 Bxd3 10. cxd3 Ne7 11. Qc2 Nd7 12. 0-0 Nf5 13. Ngf3 0-0 14. h3 f6 15. exf6 Rxf6 16. Ne5 Qc7 17. Nxd7 Qxd7 18. Nf3 Bd6 19. Ne5 Qc7 20. Qb2 Raf8 21. Bg5 Bxe5 22. dxe5 Rg6 23. Be3 Nh4 24. g3 Nf3+ 25. Kg2 Qxe5 26. Qxe5 Nxe5 27. Bxa7 Nxd3 28. a4 Ra8 29. Be3 e5 30. Rfd1 Nb4 31. Bc5 Na6 32. Rac1 Nxc5 33. Rxc5 Rf6 34. Rd2 e4 35. Rcc2 Rf3 36. Rb2 Kf7 37. Re2 Ke6 38. Re3 Rxe3 39. fxe3 Rf8 40. Rf2 Rxf2+ 41. Kxf2 Ke5 42. Ke2 c5 43. Kd2 d4 44. g4 d3 45. Kc3 Kf6 46. h4 h5 47. gxh5 Kf5 0-1

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "7"]
[White "Pham, Anh Trung"]
[Black "Mai, Van Duc"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1801"]
[BlackElo "1985"]
[PlyCount "90"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Ne7 6. c3 c6 7. 0-0 0-0 8. Bf4 Bf5 9. Bxd6 Qxd6 10. Ng3 Bxd3 11. Qxd3 Nd7 12. Nd2 Qg6 13. Qxg6 hxg6 14. f4 Nf5 15. Rf3 Rfe8 16. Ngf1 Nf6 17. h3 Ne4 18. Nxe4 Rxe4 19. g4 Nd6 20. Ng3 Re7 21. Kh2 Rae8 22. Raf1 Ne4 23. Nxe4 Rxe4 24. Kg2 f6 25. Rb1 Kf7 26. a4 Ke7 27. a5 Kd6 28. h4 Re2+ 29. Rf2 R8e4 30. Rxe2 Rxe2+ 31. Kf3 Rh2 32. Kg3 Re2 33. h5 gxh5 34. gxh5 Ke6 35. a6 b6 36. Kh3 Kf7 37. Kg4 Rg2+ 38. Kf5 Rh2 39. Kg4 Rg2+ 40. Kh3 Re2 41. Kg4 Rg2+ 42. Kf3 Rh2 43. Kg4 Rg2+ 44. Kh3 Re2 45. Kg3 Ke6 1/2-1/2

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "1"]
[White "Pham, Minh Hieu"]
[Black "Mai, Van Duc"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1908"]
[BlackElo "1985"]
[PlyCount "75"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Bg2 e6 11. Ne5 Bd6 12. Nxg6 hxg6 13. Qc2 Qc7 14. Bd2 Bf4 15. 0-0-0 0-0-0 16. Kb1 Kb8 17. Rhe1 Nd5 18. Re4 g5 19. Bf1 Bxd2 20. Qxd2 Nf4 21. Qe3 Qe7 22. c4 Qf6 23. Re5 Qh6 24. Ra5 b6 25. Ra6 c5 26. Qa3 Rd7 27. Rc1 Rc8 28. Qa4 Re7 29. dxc5 Rxc5 30. b4 Rcc7 31. c5 Qg6+ 32. Kb2 bxc5 33. Qb5+ Kc8 34. Rd6 Qf6+ 35. Kb3 Red7 36. Rxd7 Rxd7 37. Qxc5+ Kb8 38. Qc8# 1-0

[Event "VIE-ch U15"]
[Site "Da Lat"]
[Date "2013.07.??"]
[Round "5"]
[White "Tran, Nguyen Lan"]
[Black "Mai, Van Duc"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1983"]
[BlackElo "1985"]
[PlyCount "88"]
[EventDate "2013.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be2 Bf5 8. 0-0 e6 9. c3 Be7 10. Bf4 0-0 11. Qb3 Qb6 12. Nd2 Qxb3 13. axb3 Ne4 14. Nxe4 Bxe4 15. b4 g5 16. Bg3 a6 17. Rfe1 Bg6 18. Bc4 Rfd8 19. Bc7 Rd7 20. Bb6 Bd8 21. Bc5 b6 22. Rxe6 bxc5 23. bxc5 Rc7 24. Re8+ Kg7 25. Rxa6 Rxa6 26. Bxa6 Bf6 27. Rc8 Ra7 28. Rxc6 Be4 29. Rb6 Bd8 30. Rd6 Bc7 31. Rd7 Bc6 32. Rxc7 Rxc7 33. b4 Ra7 34. b5 Bb7 35. f3 Bxa6 36. bxa6 Rxa6 37. Kf2 Ra3 38. Ke2 Rxc3 39. Kd2 Ra3 40. c6 Kf6 41. c7 Ra8 42. d5 Ke5 43. d6 Kxd6 44. Ke3 Re8+ 0-1

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.18"]
[Round "9"]
[White "Nguyen Van Phuc, Hau"]
[Black "Mai, Van Duc"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1915"]
[PlyCount "52"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Be2 Bd6 8. 0-0 0-0 9. c3 b6 10. Be3 Bb7 11. Qc2 Qc7 12. Rad1 c5 13. Rd2 Rad8 14. dxc5 Nxc5 15. Nd4 a6 16. Bg5 Be7 17. Bxf6 Bxf6 18. Rfd1 Bg5 19. b4 Bxd2 20. bxc5 bxc5 21. Nxe6 fxe6 22. Rxd2 Qf4 23. Bd3 h6 24. Re2 c4 25. Bh7+ Kh8 26. Rxe6 Rd2 0-1

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.17"]
[Round "8"]
[White "Mai, Van Duc"]
[Black "Nguyen Dang Hong, Phuc"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "1794"]
[PlyCount "60"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 Nd7 9. Nd5 Ne7 10. e4 Nxd5 11. cxd5 h6 12. Be3 f5 13. Rc1 Nf6 14. Nd2 Ng4 15. Nc4 Nxe3 16. Nxe3 f4 17. Nc4 h5 18. Nd2 Bh6 19. Rc3 Rf7 20. Qc2 h4 21. gxh4 Bg4 22. Nf3 Qd7 23. Qe2 Rh7 24. Kh1 Bf8 25. Rg1 Rxh4 26. Bf1 Qh7 27. Rg2 Qh5 28. d4 exd4 29. Rd3 Re8 30. Kg1 Rh3 0-1

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.16"]
[Round "7"]
[White "Le, Quang Vinh"]
[Black "Mai, Van Duc"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "81"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 Qc7 7. Ne2 e6 8. Be3 Bd6 9. 0-0 0-0 10. Nd2 Bd7 11. Rc1 Rad8 12. c4 dxc4 13. Nxc4 Nd5 14. Be4 Nce7 15. Bd2 Qb8 16. Ne3 Bc6 17. Bxd5 Nxd5 18. Nc3 Be7 19. Nexd5 Bxd5 20. Nxd5 Rxd5 21. Qg4 Bf6 22. Be3 g6 23. Rfd1 Rc8 24. Rxc8+ Qxc8 25. Rc1 Qd8 26. Qe4 Kg7 27. b3 b6 28. Rc4 b5 29. Rc5 Be7 30. Rxd5 Qxd5 31. Qe5+ Qxe5 32. dxe5 a6 33. Kf1 Kf8 34. Ke2 Ke8 35. Kd3 Kd7 36. Ke4 Kc6 37. f4 Bc5 38. Bd2 Be7 39. g4 Bf8 40. f5 Be7 41. b4 1/2-1/2

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.15"]
[Round "5"]
[White "Le Nguyen Khoi, Nguyen"]
[Black "Mai, Van Duc"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1809"]
[PlyCount "41"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 c6 5. Bg2 d5 6. cxd5 exd5 7. Bg5 Be7 8. e3 Be6 9. Nge2 h6 10. Nf4 Bf7 11. Bxf6 Bxf6 12. h4 h5 13. Qb3 Qb6 14. Qc2 g6 15. 0-0-0 Na6 16. a3 Qc7 17. Kb1 0-0-0 18. Rc1 Kb8 19. Na4 Rhe8 20. Bf1 b5 21. Qxc6 1-0

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.15"]
[Round "6"]
[White "Mai, Van Duc"]
[Black "Doan, Nguyen Trung Tin"]
[Result "1-0"]
[ECO "E11"]
[BlackElo "1694"]
[PlyCount "89"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 c6 4. Qc2 Nf6 5. g3 Bb4+ 6. Bd2 Be7 7. Bg2 0-0 8. 0-0 Nbd7 9. b3 b6 10. Bc3 Ne4 11. Bb2 Bb7 12. Nbd2 Nxd2 13. Nxd2 Nf6 14. Rac1 Rc8 15. Rfd1 Qc7 16. e4 dxe4 17. Nxe4 Rfd8 18. Qe2 Nxe4 19. Qxe4 Bf6 20. Qe2 c5 21. dxc5 Bxg2 22. Kxg2 Bxb2 23. Qxb2 Qxc5 24. Qe2 Qe7 25. Qf3 h6 26. h4 Rc7 27. Rxd8+ Qxd8 28. Rd1 Rd7 29. Rxd7 Qxd7 30. b4 Kh7 31. c5 f5 32. c6 Qd6 33. Qc3 Qd5+ 34. f3 Qxa2+ 35. Kf1 Qb1+ 36. Ke2 Qa2+ 37. Ke3 a5 38. bxa5 Qb1 39. c7 Qg1+ 40. Kf4 g5+ 41. hxg5 hxg5+ 42. Ke5 Qxg3+ 43. Kxe6 bxa5 44. c8Q f4 45. Qd7+ 1-0

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.14"]
[Round "4"]
[White "Mai, Van Duc"]
[Black "Ngo, Quang Nhat"]
[Result "1/2-1/2"]
[ECO "D79"]
[BlackElo "1857"]
[PlyCount "87"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 c6 6. Nc3 d5 7. cxd5 cxd5 8. d4 Nc6 9. Qb3 Ne4 10. e3 Nxc3 11. Qxc3 Qd6 12. a4 b6 13. b3 Bb7 14. Ba3 Qd7 15. Rac1 Rfc8 16. Qb2 e6 17. Rc2 Na5 18. Rfc1 Rxc2 19. Rxc2 Rc8 20. Bb4 Nc6 21. Ba3 a5 22. Bf1 Nb4 23. Bxb4 axb4 24. Bb5 Qd6 25. Qc1 Rxc2 26. Qxc2 f6 27. Kf1 e5 28. h4 e4 29. Ng1 h6 30. Qe2 f5 31. Qd2 Bf8 32. Qc2 Be7 33. Ke1 Bd8 34. Kd1 Qc7 35. Qxc7 Bxc7 36. Nh3 Kf7 37. Ke2 Bc8 38. Kf1 Ke7 39. Kg2 Be6 40. Nf4 Bxf4 41. gxf4 Bf7 42. Kg3 h5 43. Kg2 Kd6 44. Kg3 1/2-1/2

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.13"]
[Round "2"]
[White "Mai, Van Duc"]
[Black "Truong, Tan Thanh"]
[Result "1/2-1/2"]
[ECO "D11"]
[BlackElo "1823"]
[PlyCount "128"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. e3 Bg7 6. Bd3 Nbd7 7. Nbd2 0-0 8. 0-0 Re8 9. b3 b6 10. Bb2 Bb7 11. Rac1 Rc8 12. Qb1 c5 13. Rfd1 e6 14. h3 Nh5 15. cxd5 exd5 16. Qa1 f5 17. Bb5 f4 18. exf4 Nxf4 19. Re1 a6 20. Rxe8+ Qxe8 21. Re1 Qd8 22. Bf1 Qf6 23. Rb1 Qf5 24. Rc1 Rf8 25. Qb1 Qf6 26. Ba3 Bh6 27. Kh1 Re8 28. dxc5 bxc5 29. Bxc5 Nxc5 30. Rxc5 Nxh3 31. gxh3 Bxd2 32. Qd3 d4 33. Bg2 Bxf3 34. Bxf3 Kg7 35. Kg2 Bc3 36. Rc7+ Kh6 37. Rc6 Qg5+ 38. Bg4 a5 39. Qg3 Rf8 40. Rc7 Be1 41. Bf3 Qxg3+ 42. fxg3 d3 43. Rd7 d2 44. Rd5 Rf7 45. Rd3 Rc7 46. Kf1 Rc2 47. a4 Rb2 48. Bd1 Rb1 49. Ke2 Rc1 50. Rd5 Rc3 51. Rd3 Rxd3 52. Kxd3 Bxg3 53. Kxd2 Kg5 54. Bg4 h5 55. Bd7 Kh4 56. Ke2 Bd6 57. Kf3 Kg5 58. Kg2 Kf6 59. Bb5 g5 60. Be2 Kg6 61. Bd3+ Kf6 62. Bc2 h4 63. Kf3 Ke5 64. Kg4 Be7 1/2-1/2

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.13"]
[Round "3"]
[White "Truong, Anh Kiet"]
[Black "Mai, Van Duc"]
[Result "0-1"]
[ECO "D42"]
[WhiteElo "1778"]
[PlyCount "68"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. 0-0 0-0 10. Re1 Bf6 11. Be4 Nce7 12. Qd3 h6 13. Bd2 Bd7 14. Bxd5 Nxd5 15. Nxd5 exd5 16. Qb3 Bc6 17. Bf4 Re8 18. Ne5 Bxe5 19. Bxe5 Qg5 20. Re3 f6 21. Rg3 Qd2 22. Rd1 Qa5 23. Qe3 fxe5 24. Qxh6 Qc7 25. Qg6 Qf7 26. Qd3 e4 27. Qe2 a6 28. Rh3 Rf8 29. Qd2 Rae8 30. Re1 Qf4 31. Ree3 Bb5 32. Rh5 Rf5 33. Rxf5 Qxf5 34. Rc3 e3 0-1

[Event "VIE-ch U13"]
[Site "Vietnam"]
[Date "2012.07.12"]
[Round "1"]
[White "Truong, Cat Tuong"]
[Black "Mai, Van Duc"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "58"]
[EventDate "2012.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VIE"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 Nf6 6. 0-0 e6 7. Nc3 Bd6 8. Bg5 0-0 9. a3 Bd7 10. Re1 a6 11. Ba4 b5 12. Bb3 Na5 13. Ne5 Be7 14. Qf3 Nc4 15. Bxc4 bxc4 16. Qg3 Nh5 17. Bxe7 Qxe7 18. Qg4 Nf6 19. Qg3 Rfb8 20. Rab1 Rb7 21. b3 cxb3 22. Rxb3 Rxb3 23. cxb3 Qxa3 24. Nxd7 Nxd7 25. Qc7 Qxb3 26. Rc1 Nf8 27. h3 Qb8 28. Qe7 Qb2 29. Ne2 Ng6 0-1

