[Event "Bangkok op"]
[Site "Bangkok"]
[Date "2025.07.04"]
[Round "2"]
[White "Concio, Michael Jr"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2396"]
[BlackElo "1940"]
[PlyCount "73"]
[EventDate "2025.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 h6 5. Bf4 Be7 6. e3 0-0 7. Qc2 c6 8. h3 Nbd7 9. a3 b6 10. Be2 Bb7 11. 0-0 dxc4 12. Bxc4 c5 13. dxc5 Bxf3 14. gxf3 Nxc5 15. b4 Nb7 16. Ba6 Qd7 17. Rfd1 Qc6 18. Rac1 Rad8 19. Kg2 Kh8 20. Qb1 Nh5 21. Bh2 Bf6 22. Nd5 Nc5 23. Nxf6 gxf6 24. Rxd8 Rxd8 25. Be2 Rg8+ 26. Kf1 Qd5 27. bxc5 Qg5 28. Ke1 Qg2 29. Bc7 bxc5 30. Qe4 Qg1+ 31. Bf1 Rg2 32. Rc2 e5 33. f4 Rh2 34. fxe5 Rh1 35. Qd3 Rxh3 36. exf6 Rf3 37. Bh2 1-0

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.19"]
[Round "9"]
[White "Bharadia, Yash"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2415"]
[BlackElo "1939"]
[PlyCount "89"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 Nc6 5. Bb5 Bg7 6. 0-0 Bg4 7. Bxc6+ bxc6 8. d4 e6 9. Nbd2 Ne7 10. Qa4 cxd4 11. cxd4 0-0 12. b3 Nf5 13. Ba3 Re8 14. h3 Bxf3 15. Nxf3 Nh4 16. Nxh4 Qxh4 17. Rac1 f6 18. f4 Bh6 19. exf6 Qxf6 20. Bd6 Rac8 21. Rxc6 Bg7 22. Be5 Qe7 23. Qa6 Qd7 24. Rfc1 Rxc6 25. Qxc6 Qxc6 26. Rxc6 Bxe5 27. fxe5 Re7 28. Kf2 Kf7 29. Ke3 g5 30. g4 Ke8 31. b4 Kd7 32. b5 h5 33. Ra6 Kc8 34. gxh5 Rh7 35. Rxe6 Rxh5 36. Rd6 Rxh3+ 37. Kf2 Rh2+ 38. Kf3 Rxa2 39. Rxd5 a5 40. e6 Rh2 41. b6 a4 42. e7 Rh8 43. Rd8+ Rxd8 44. b7+ Kc7 45. exd8Q+ 1-0

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.18"]
[Round "8"]
[White "Romualdez, Danry Seth"]
[Black "Romualdez, Davin Sean"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1691"]
[BlackElo "1939"]
[PlyCount "62"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nf3 Nc6 5. Nbd2 e6 6. c3 cxd4 7. exd4 Nh5 8. Bg5 f6 9. Bh4 g6 10. Rb1 a5 11. a3 Bd6 12. c4 0-0 13. c5 Be7 14. b4 axb4 15. axb4 e5 16. dxe5 fxe5 17. Bg3 e4 18. Ne5 Nxg3 19. Nxc6 e3 20. fxe3 bxc6 21. hxg3 Qc7 22. Nf3 Qxg3+ 23. Kd2 Qf2+ 24. Be2 Ra2+ 25. Kc1 Qxe3+ 26. Qd2 Rxd2 27. Nxd2 Bg5 28. Rb2 Qc3+ 29. Kd1 Qxb2 30. Nb3 Qb1+ 31. Nc1 Qxc1# 0-1

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.17"]
[Round "7"]
[White "Romualdez, Davin Sean"]
[Black "Kodithuwakku, KK Dinujaya"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1939"]
[BlackElo "1933"]
[PlyCount "94"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 e6 6. c3 cxd4 7. exd4 Nh5 8. Be3 Bd6 9. Ne5 g6 10. g4 Ng7 11. Bb5 Qc7 12. h4 f6 13. Nxc6 bxc6 14. Bd3 e5 15. dxe5 fxe5 16. h5 gxh5 17. gxh5 Nf5 18. Qe2 Nxe3 19. Qxe3 Be6 20. Qh6 Qd7 21. Rg1 e4 22. 0-0-0 Qf7 23. Rg7 Bf4 24. Rxf7 Bxh6 25. Rf6 Bxd2+ 26. Kxd2 Ke7 27. Rh6 Raf8 28. Be2 Rxf2 29. Rg1 Rf5 30. Rgg6 hxg6 31. Rxh8 gxh5 32. Rxh5 c5 33. Rh7+ Rf7 34. Rxf7+ Bxf7 35. Ke3 Bg6 36. b4 Kd6 37. bxc5+ Kxc5 38. Bd1 Be8 39. Be2 Bb5 40. Bd1 Bc4 41. a3 Ba2 42. Bc2 Kc4 43. Kd2 Bb3 44. Bb1 a5 45. a4 Bxa4 46. Ba2+ Bb3 47. Bb1 a4 0-1

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.16"]
[Round "6"]
[White "Aswath, S."]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2473"]
[BlackElo "1939"]
[PlyCount "81"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Qb6 7. Nb3 Qd8 8. Qd2 Nf6 9. f3 d6 10. Nc3 0-0 11. Be2 a5 12. Rc1 Be6 13. Na4 Nd7 14. Nd4 Nxd4 15. Bxd4 Bxd4 16. Qxd4 Nc5 17. Nxc5 dxc5 18. Qxc5 Rc8 19. Qe3 b5 20. Rd1 Qc7 21. cxb5 Bxa2 22. 0-0 Qc5 23. Qxc5 Rxc5 24. Rc1 Rfc8 25. Rxc5 Rxc5 26. b6 Rc6 27. b7 Rb6 28. Ba6 Bc4 29. Bxc4 Rxb7 30. b3 Rc7 31. Ra1 Rc5 32. Kf2 e5 33. Ke3 Kg7 34. Kd2 f5 35. Kc3 Kh6 36. Rd1 f4 37. Rd5 Rc8 38. Rxa5 Rh8 39. Rxe5 g5 40. b4 Kh5 41. Re6 1-0

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.16"]
[Round "5"]
[White "Romualdez, Davin Sean"]
[Black "Toledo, Andrew James"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1939"]
[BlackElo "1697"]
[PlyCount "89"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. a4 d6 7. h3 Be6 8. Bxe6 fxe6 9. Re1 Qe8 10. c3 Qg6 11. Nh4 Qf7 12. Nf3 Nh5 13. Be3 Qg6 14. Nbd2 Kh8 15. Qb3 Rab8 16. d4 exd4 17. cxd4 b6 18. Qc4 Na5 19. Qxc7 Rb7 20. Qc3 Bd8 21. b4 Rc7 22. Qa3 Nb7 23. a5 bxa5 24. bxa5 a6 25. Qd3 Rd7 26. Qxa6 Nxa5 27. Rxa5 Bxa5 28. Qxa5 h6 29. Rc1 Qf7 30. Nc4 Nf4 31. Nfe5 dxe5 32. Nxe5 Ne2+ 33. Kh2 Qe8 34. Nxd7 Qxd7 35. Rc7 Qd8 36. Qe5 Rf6 37. Bxh6 gxh6 38. Rb7 Nf4 39. Rb8 Qxb8 40. Qxb8+ Kg7 41. d5 exd5 42. exd5 Kg6 43. d6 Ne6 44. d7 Rf8 45. Qxf8 1-0

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.15"]
[Round "4"]
[White "Adireddy, Arjun"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2350"]
[BlackElo "1939"]
[PlyCount "111"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Qb6 7. Nb3 Qd8 8. Qd2 Nf6 9. Nc3 0-0 10. Be2 d6 11. f3 Be6 12. Rc1 a5 13. Na4 Nd7 14. 0-0 Nb4 15. a3 Na2 16. Ra1 b5 17. Nd4 bxa4 18. Nc6 Qe8 19. Rxa2 Nc5 20. Nd4 Nb3 21. Nxb3 axb3 22. Raa1 Qa4 23. Bd4 Rfc8 24. Bxg7 Kxg7 25. Rac1 Rc5 26. Rc3 Rac8 27. Qd4+ f6 28. Rfc1 Qc6 29. f4 a4 30. h4 Bf7 31. Kh1 Qa6 32. Qf2 R8c7 33. h5 Qc8 34. hxg6 hxg6 35. Qd4 e5 36. Qxd6 Rd7 37. Qb6 Rb7 38. Qa6 Qb8 39. Rd1 Rb6 40. Qxa4 Be8 41. Rd7+ Kg8 42. Rcd3 Bxd7 43. Qxd7 Rc7 44. Qd5+ Kh8 45. fxe5 Rh7+ 46. Kg1 fxe5 47. c5 Rf6 48. Rxb3 Qf8 49. Qxe5 Re7 50. Qd4 Kh7 51. Bc4 Rc7 52. Rh3+ Kg7 53. b4 Re7 54. b5 Qc8 55. Rf3 Qf8 56. b6 1-0

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.14"]
[Round "2"]
[White "Amilal, Munkhdalai"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2388"]
[BlackElo "1939"]
[PlyCount "99"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Qa4 Nc6 6. Nc3 d6 7. e5 dxe5 8. Nxe5 Bd7 9. Nxd7 Qxd7 10. Be3 Bg7 11. Rd1 Qc8 12. Be2 0-0 13. 0-0 a6 14. Qb3 b5 15. a4 Na5 16. Qb4 Nc6 17. Qh4 b4 18. Na2 Qe6 19. Qc4 Qxc4 20. Bxc4 Ng4 21. Bd5 Nxe3 22. fxe3 Rac8 23. Bxc6 Rxc6 24. Nxb4 Rb6 25. c3 a5 26. Nd3 Rd8 27. Kf2 f5 28. Kf3 Rc8 29. Rfe1 Rc4 30. e4 e6 31. exf5 gxf5 32. Re2 Rd6 33. Nf2 Rxd1 34. Nxd1 e5 35. b3 e4+ 36. Kf2 Rc5 37. Rc2 f4 38. Kf1 Rd5 39. Nf2 e3 40. Nh3 Be5 41. Ke2 Rc5 42. Kf3 Bxc3 43. Nxf4 Bb4 44. Rxc5 Bxc5 45. Nd3 Bb6 46. b4 axb4 47. Nxb4 Kf7 48. Nc6 Ke6 49. a5 Bc7 50. a6 1-0

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.14"]
[Round "3"]
[White "Romualdez, Davin Sean"]
[Black "Del Mundo, Zeyus Kyle"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1939"]
[BlackElo "1546"]
[PlyCount "91"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. Nbd2 Nc6 6. c3 Bd6 7. Bg3 0-0 8. Bd3 b6 9. e4 dxe4 10. Nxe4 Bxg3 11. hxg3 h6 12. dxc5 bxc5 13. Qe2 Nd5 14. Nxc5 Qb6 15. Nb3 Bb7 16. 0-0 Rfd8 17. Rfd1 a6 18. Rac1 Rac8 19. Ne5 Nf6 20. Nc4 Qa7 21. Bb1 Ne7 22. Nd6 Rb8 23. Nxb7 Rxd1+ 24. Rxd1 Qxb7 25. Bd3 Qb6 26. Nd4 h5 27. Nf3 Nc6 28. Rd2 Ng4 29. Be4 Ne7 30. b3 a5 31. Rd7 Qc5 32. Qd2 g6 33. Rd8+ Rxd8 34. Qxd8+ Kh7 35. Qd2 Qa3 36. b4 axb4 37. cxb4 Qa7 38. b5 Qb6 39. a4 Nf5 40. Bxf5 exf5 41. Qa2 Qc7 42. Ng5+ Kh6 43. Qd2 Kg7 44. Qb2+ Kg8 45. b6 Qd8 46. Qh8+ 1-0

[Event "Asia-ch U18"]
[Site "Tagaytay City"]
[Date "2024.10.13"]
[Round "1"]
[White "Romualdez, Davin Sean"]
[Black "Chattaraj, Aranyam"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1939"]
[PlyCount "23"]
[EventDate "2024.10.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PHI"]
[SourceTitle "CB43_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 Nxc6 8. Qf3 Bd7 9. Bc4 e4 10. Bxf7+ Ke7 11. Qa3+ Nb4 12. Qxb4# 1-0

[Event "Kuala Lumpur op 19th"]
[Site "Kuala Lumpur"]
[Date "2024.09.17"]
[Round "2"]
[White "Arshiya, Das"]
[Black "Romualdez, Davin Sean"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1988"]
[BlackElo "1858"]
[PlyCount "72"]
[EventDate "2024.09.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. e5 dxe5 8. Nxe5 Bd7 9. Nxd7 Qxd7 10. Be2 Bg7 11. Be3 0-0 12. Rd1 Qc7 13. 0-0 a6 14. Qh4 b5 15. Bf4 Qa5 16. Bf3 Rac8 17. a3 b4 18. Nb1 bxa3 19. Nxa3 Qb4 20. Qg3 Qxb2 21. Rd3 Nb4 22. Rb1 Qa2 23. Rd4 Qxa3 24. Rd2 Rc3 25. Be3 e5 26. h4 e4 27. Be2 Bh6 28. Qe5 Bxe3 29. fxe3 Rcc8 30. Qg3 Nbd5 31. Kf2 Nc3 32. Re1 Nxe2 33. Rdxe2 Rfe8 34. Kg1 Qb2 35. Qd6 a5 36. Rf1 Rxc2 0-1

[Event "Quezon City Neri op 1st"]
[Site "Quezon City"]
[Date "2024.08.26"]
[Round "5"]
[White "Romualdez, Davin Sean"]
[Black "Mirano, Kevin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1858"]
[BlackElo "2076"]
[PlyCount "98"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PHI"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Qb6 5. Nbd2 cxd4 6. exd4 Nc6 7. Nb3 a5 8. a4 Bg4 9. Bb5 e6 10. h3 Bh5 11. g4 Bg6 12. Ne5 Nd7 13. Bxc6 bxc6 14. Nxd7 Kxd7 15. 0-0 Be7 16. Rc1 Qb4 17. c3 Qc4 18. Nd2 Qd3 19. Qb3 Rhc8 20. Qb7+ Ke8 21. c4 Qxd4 22. Be3 Qe5 23. cxd5 Rab8 24. Qa7 cxd5 25. Qxa5 Qxb2 26. Rxc8+ Rxc8 27. Qa6 Qc2 28. Qb5+ Qc6 29. Rc1 Qxb5 30. Rxc8+ Kd7 31. axb5 Kxc8 32. Nb3 e5 33. f4 f6 34. Na5 Be8 35. fxe5 fxe5 36. b6 Bb4 37. b7+ Kb8 38. Bb6 Bxa5 39. Bxa5 Kxb7 40. Kf2 Kc6 41. Ke3 d4+ 42. Ke4 Kd6 43. Bb4+ Ke6 44. Bf8 Bc6+ 45. Kd3 g6 46. Kc4 Bg2 47. h4 Bf1+ 48. Kc5 Bh3 49. g5 d3 0-1

[Event "Quezon City Neri op 1st"]
[Site "Quezon City"]
[Date "2024.08.25"]
[Round "3"]
[White "Romualdez, Davin Sean"]
[Black "Maribao, Alexis Emil"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1858"]
[BlackElo "2108"]
[PlyCount "147"]
[EventDate "2024.08.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PHI"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 Qb6 5. Nbd2 Bf5 6. Bd3 Bxd3 7. cxd3 e6 8. h3 c5 9. dxc5 Bxc5 10. 0-0 Nc6 11. Rc1 0-0 12. Qb3 Nd7 13. d4 Be7 14. Qxb6 Nxb6 15. Ne5 Nxe5 16. Bxe5 Rac8 17. a3 Na4 18. b4 Nc3 19. Kh1 f6 20. Bh2 Na2 21. Rc7 Rxc7 22. Bxc7 Rc8 23. Ra1 Nxb4 24. axb4 Rxc7 25. Rxa7 Bxb4 26. Nb3 Rc3 27. Nc5 Bxc5 28. dxc5 Rb3 29. g4 e5 30. Ra8+ Kf7 31. Rd8 d4 32. exd4 Rxh3+ 33. Kg2 Rc3 34. dxe5 fxe5 35. Rd7+ Kf6 36. Rxb7 Rxc5 37. Ra7 h6 38. f3 Rc3 39. Ra6+ Kg5 40. Ra5 Kh4 41. Rxe5 Rc2+ 42. Kf1 Kg3 43. Re7 g5 44. Re6 Rf2+ 45. Kg1 Ra2 46. Kf1 Kxf3 47. Rf6+ Kxg4 48. Rxh6 Kg3 49. Rc6 Ra1+ 50. Ke2 g4 51. Rg6 Ra4 52. Kf1 Rf4+ 53. Kg1 Rb4 54. Kf1 Rb1+ 55. Ke2 Kh3 56. Kf2 Rb2+ 57. Kg1 Kg3 58. Kf1 Rb1+ 59. Ke2 Rh1 60. Rg7 Rh4 61. Kf1 Kh2 62. Kf2 Kh3 63. Kg1 Rh8 64. Rb7 Ra8 65. Rb3+ Kh4 66. Kg2 Ra2+ 67. Kg1 Re2 68. Ra3 Rc2 69. Rb3 Re2 70. Ra3 Rb2 71. Rc3 Rb4 72. Ra3 Kg5 73. Rc3 Kf4 74. Ra3 1/2-1/2

[Event "Phuket Blue Chevaliers op 3rd"]
[Site "Phuket"]
[Date "2024.07.24"]
[Round "5"]
[White "Romualdez, Davin Sean"]
[Black "Tuguldur, Soninbayar"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1851"]
[BlackElo "2036"]
[PlyCount "64"]
[EventDate "2024.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 0-0 6. Nbd2 b6 7. Bd3 Bb7 8. Ne5 Ne4 9. Qf3 f6 10. Ng4 h5 11. Nh6+ gxh6 12. Nxe4 dxe4 13. Bxe4 c6 14. Qxh5 Rf7 15. Qg4+ Kf8 16. Qxe6 Bb4+ 17. c3 Bc8 18. Qc4 Be7 19. d5 Ba6 20. Qb3 Nd7 21. Rd1 Nc5 22. Qc2 Nxe4 23. Qxe4 cxd5 24. Qg6 Qd7 25. Qxh6+ Kg8 26. h4 Qa4 27. Rd4 Qd7 28. Qh5 Rd8 29. Rh3 Rg7 30. Bf4 Bc5 31. Rd2 Qxh3 32. Rxd5 Qc8 0-1

[Event "Phuket Blue Chevaliers op 3rd"]
[Site "Phuket"]
[Date "2024.07.22"]
[Round "2"]
[White "Lux, Hugo de Melo"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2284"]
[BlackElo "1851"]
[PlyCount "65"]
[EventDate "2024.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nf3 Nc6 6. Qd3 Bg7 7. Be2 0-0 8. 0-0 d6 9. Nd5 Bg4 10. c3 Rc8 11. Bg5 Bxf3 12. Qxf3 Nxd5 13. exd5 Ne5 14. Qe3 Qa5 15. f4 Nd7 16. Bg4 Rc7 17. Bxd7 Rxd7 18. Qe4 h6 19. Bh4 b5 20. a3 Qc7 21. Rae1 a5 22. Re2 Rc8 23. Rfe1 Bf8 24. Bf2 Qc4 25. Bb6 Rb8 26. Bd4 b4 27. f5 g5 28. f6 Re8 29. Qf5 Rb7 30. fxe7 Bg7 31. Bxg7 Kxg7 32. Rf2 Rexe7 33. Qf6+ 1-0

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.05"]
[Round "7"]
[White "Teo, Hong Ming"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2098"]
[BlackElo "1807"]
[PlyCount "161"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 h6 8. Be3 e6 9. Qd2 exd5 10. cxd5 Re8 11. Bd3 Nbd7 12. Be2 a6 13. a4 Rb8 14. Nh3 Ne5 15. Nf2 Kh7 16. h3 Qa5 17. f4 Ned7 18. 0-0 Qc7 19. Rac1 c4 20. b4 b5 21. axb5 axb5 22. Bf3 Qb7 23. Ra1 Ra8 24. Rxa8 Qxa8 25. Nxb5 Qb8 26. Nd4 Bb7 27. Rc1 Nb6 28. b5 Rc8 29. Nc6 Qc7 30. e5 Nfd7 31. Ne4 Bxc6 32. exd6 c3 33. Qd3 Bxb5 34. Qxb5 Qc4 35. Qxc4 Nxc4 36. Bf2 f5 37. Nxc3 Nxd6 38. Ne2 Rxc1+ 39. Nxc1 Kg8 40. Nd3 Kf7 41. Kf1 Bf6 42. Ke2 g5 43. Kd1 Bg7 44. Be3 Bf6 45. Kc2 Nc4 46. Bc1 Nd6 47. Kb3 Nb5 48. Kc4 Nd6+ 49. Kb4 Ke7 50. Be3 Kd8 51. Nc5 Nxc5 52. Kxc5 Kd7 53. Bd4 Nb7+ 54. Kc4 Bxd4 55. Kxd4 Kd6 56. Bd1 Nd8 57. fxg5 hxg5 58. Bc2 f4 59. Ke4 Nb7 60. Kf5 Nc5 61. Kxg5 Kxd5 62. Kxf4 Ke6 63. g4 Kf6 64. g5+ Kg7 65. Bf5 Nb7 66. Ke5 Nd8 67. h4 Nf7+ 68. Ke6 Nh6 69. Ke5 Nf7+ 70. Kd5 Nh6 71. Be6 Kg6 72. Ke5 Kg7 73. Kd6 Kg6 74. Ke7 Kg7 75. Ke8 Kg6 76. Kf8 Kh7 77. h5 Kh8 78. g6 Nf5 79. h6 Nxh6 80. g7+ Kh7 81. Bf5+ 1-0

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.04"]
[Round "6"]
[White "Kao, Jamison Edrich"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2145"]
[BlackElo "1807"]
[PlyCount "123"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. e6 fxe6 8. 0-0 Qd6 9. d4 Bg7 10. dxc5 Qxc5 11. Re1 Qd6 12. Qe2 Nf6 13. Ne5 0-0 14. Nxc6 Qxc6 15. Qxe6+ Qxe6 16. Rxe6 Kf7 17. Re2 e5 18. Rxe5 Ne4 19. Rxd5 Rfd8 20. c4 Rxd5 21. cxd5 Rd8 22. Kf1 Rxd5 23. Ke2 Rb5 24. a4 Rb4 25. Ra2 Nc5 26. a5 Nb3 27. Be3 Bd4 28. Nc3 Bxe3 29. Kxe3 Nc1 30. Ra1 Nb3 31. Ra3 Nc1 32. Kd2 Nb3+ 33. Kc2 Nd4+ 34. Kd3 Ne6 35. Nd1 Rh4 36. h3 Nf4+ 37. Ke4 Nxg2+ 38. Kd5 Ke7 39. Rb3 Nf4+ 40. Ke5 b6 41. Ne3 Ne6 42. Nd5+ Kd7 43. Nf6+ Ke7 44. axb6 axb6 45. Nd5+ Kd7 46. Nxb6+ Kc6 47. Kxe6 Re4+ 48. Kf6 Rf4+ 49. Kg7 Rxf2 50. Nc4 Kd5 51. Ne3+ Kd4 52. Ng4 Rf5 53. Kxh7 Kc4 54. Rc3+ Kd4 55. Kxg6 Rb5 56. Rc2 Ke4 57. Rf2 Rb8 58. h4 Rg8+ 59. Kh5 Rh8+ 60. Nh6 Rb8 61. Kg5 Rb5+ 62. Nf5 1-0

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.02"]
[Round "4"]
[White "Habla, Jony"]
[Black "Romualdez, Davin Sean"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2210"]
[BlackElo "1807"]
[PlyCount "95"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 e5 6. d5 a5 7. h3 Na6 8. Be3 0-0 9. g4 Nd7 10. Nge2 Ndc5 11. Bc2 Rb8 12. Ng3 Bd7 13. Nb5 Rc8 14. h4 Qe8 15. a4 Nb4 16. Bb1 b6 17. h5 f6 18. hxg6 hxg6 19. Ra3 g5 20. Bxc5 bxc5 21. Nf5 Bxf5 22. gxf5 Kf7 23. Rah3 Ke7 24. Bd3 Kd7 25. Be2 Qe7 26. Bh5 Rh8 27. Kd2 Rcg8 28. Kc3 Kc8 29. Bg6 Rxh3+ 30. Rxh3 Rh8 31. Rxh8+ Bxh8 32. Qh5 Bg7 33. f3 Qf8 34. Be8 Kd8 35. Bc6 Bh6 36. Qg6 Bg7 37. Na7 Ke7 38. Bb7 Qh8 39. Nb5 g4 40. Qxg4 Qh6 41. Qg1 Kd8 42. Bc6 Qf4 43. Kb3 Qd2 44. Qxg7 Qd1+ 45. Ka3 Nc2+ 46. Ka2 Nb4+ 47. Ka3 Nc2+ 48. Ka2 1/2-1/2

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.02"]
[Round "3"]
[White "Romualdez, Davin Sean"]
[Black "Salvador, Louie"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1807"]
[BlackElo "2139"]
[PlyCount "120"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 cxd4 5. exd4 Nc6 6. Nbd2 Qb6 7. Nb3 a5 8. a4 Bg4 9. Bb5 e6 10. Qd3 Be7 11. Ne5 Bf5 12. Qe2 h6 13. 0-0 0-0 14. c3 Na7 15. c4 Nxb5 16. cxb5 Rfc8 17. Rfc1 Bd6 18. Bd2 Rxc1+ 19. Rxc1 Qd8 20. Qe1 Ne4 21. Bxa5 b6 22. Bb4 Rxa4 23. Bxd6 Nxd6 24. g4 Bh7 25. Rc6 Ra7 26. Qb4 Ne8 27. Nd2 Ra8 28. h3 h5 29. Rc3 hxg4 30. hxg4 Qg5 31. Rg3 Nf6 32. Ra3 Rf8 33. Ndf3 Qc1+ 34. Kg2 Be4 35. Re3 Nh7 36. Qc3 Qd1 37. Re1 Qa4 38. Kg3 Qxb5 39. g5 Qe8 40. Qc7 f6 41. g6 Bxg6 42. Nc6 Be4 43. Ne7+ Kh8 44. Rxe4 dxe4 45. Nh4 Ng5 46. Nhg6+ Kh7 47. Qc1 Nf7 48. Qh1+ Nh6 49. Nxf8+ Qxf8 50. Qxe4+ f5 51. Qxe6 Qb8+ 52. Qe5 Qxe5+ 53. dxe5 g5 54. Nd5 Kg6 55. Nxb6 f4+ 56. Kf3 Kf5 57. Nc4 g4+ 58. Kg2 Nf7 59. Nd6+ Nxd6 60. exd6 Ke6 1/2-1/2

[Event "Bangkok Big Rook op 4th"]
[Site "Bangkok"]
[Date "2024.05.01"]
[Round "1"]
[White "Romualdez, Davin Sean"]
[Black "Polschikov, Alexey"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1807"]
[BlackElo "2389"]
[PlyCount "98"]
[EventDate "2024.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 cxd4 5. exd4 b6 6. c3 Bb7 7. Nbd2 Be7 8. h3 d6 9. Be2 Nbd7 10. 0-0 0-0 11. Bh2 a6 12. Qc2 h6 13. Ne1 Rc8 14. Nd3 Re8 15. Rfc1 Bf8 16. Bf3 Qc7 17. Qd1 e5 18. Bxb7 Qxb7 19. Qf1 a5 20. a4 g6 21. Re1 Qd5 22. dxe5 dxe5 23. c4 Qd4 24. Nf3 Qxc4 25. Nfxe5 Qb3 26. Nxd7 Nxd7 27. Rxe8 Rxe8 28. Qd1 Qd5 29. Rc1 Re4 30. Qc2 Rd4 31. Nf4 Qg5 32. Rd1 Qf5 33. Qc1 Rxa4 34. Rd5 Ne5 35. Qd1 Rxf4 36. Bxf4 Qxf4 37. Rd8 Kg7 38. Rd4 Qf6 39. Rd2 Bc5 40. Qe2 h5 41. Qe4 g5 42. Re2 Ng6 43. Rd2 Qf4 44. Qd3 Ne5 45. Qe2 g4 46. Rd5 Bd4 47. hxg4 Qc1+ 48. Qf1 Bxf2+ 49. Kxf2 Nxg4+ 0-1

[Event "Eastern Asia-ch U20"]
[Site "Kota Kinabalu"]
[Date "2023.12.07"]
[Round "8"]
[White "Hiew, Jing Yung"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1591"]
[BlackElo "1669"]
[PlyCount "75"]
[EventDate "2023.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. b4 Nxf3+ 7. Qxf3 cxb4 8. Nd5 Bg7 9. Rb1 e6 10. Ne3 Ne7 11. Rxb4 0-0 12. Bb2 Nc6 13. Bxg7 Kxg7 14. Rb1 Qc7 15. 0-0 b5 16. Qg3 Qa5 17. e5 Rh8 18. f4 Kf8 19. Qh4 Qxd2 20. Rbe1 Bb7 21. Qh6+ Ke8 22. Qg7 Rf8 23. Re2 Qb4 24. Ng4 Kd8 25. Nf6 Kc7 26. Nxh7 Qd4+ 27. Kh1 Rh8 28. Qxf7 Rae8 29. Ng5 Kc8 30. Qxg6 Reg8 31. Qe4 Qc5 32. Qe3 Qe7 33. a4 Qf8 34. Ref2 Qh6 35. h3 Nxe5 36. Be4 d5 37. fxe5 dxe4 38. Rf7 1-0

[Event "Eastern Asia-ch U20"]
[Site "Kota Kinabalu"]
[Date "2023.12.05"]
[Round "6"]
[White "Cu, Ivan Travis"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "1909"]
[BlackElo "1669"]
[PlyCount "71"]
[EventDate "2023.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. d3 Bb4+ 6. Bd2 a5 7. Bxb4 axb4 8. Nbd2 Nf6 9. 0-0 0-0 10. a3 bxa3 11. Qb3 Qe7 12. Rxa3 Rxa3 13. bxa3 b6 14. Ra1 Bd7 15. Ne1 Ra8 16. Nc2 Ra7 17. Rc1 Nb8 18. Nb4 Ba4 19. Qb2 Na6 20. Nxa6 Rxa6 21. c5 bxc5 22. Nc4 Bc6 23. Bxc6 Rxc6 24. Qb7 Re6 25. f3 h5 26. a4 h4 27. a5 hxg3 28. hxg3 Ne8 29. Kf2 Qg5 30. Rh1 Qf6 31. Qa8 g5 32. a6 g4 33. a7 gxf3 34. Qe4 fxe2+ 35. Kxe2 Ra6 36. a8Q 1-0

[Event "Eastern Asia-ch U20"]
[Site "Kota Kinabalu"]
[Date "2023.12.04"]
[Round "4"]
[White "Romualdez, Davin Sean"]
[Black "Labog, Jan Clifford"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1669"]
[BlackElo "1818"]
[PlyCount "54"]
[EventDate "2023.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. 0-0 Nxe4 6. Nxe4 d5 7. Bxd5 Qxd5 8. Nc3 Qd8 9. h3 0-0 10. Re1 f6 11. Qe2 Be6 12. d3 Bf7 13. Be3 Re8 14. Nh4 g6 15. Qg4 Kh8 16. Bh6 f5 17. Nxf5 Be6 18. Bg7+ Kg8 19. Bxe5 Bf8 20. Qf4 Bxf5 21. g4 Nxe5 22. Rxe5 Be6 23. Qe4 Qf6 24. Re1 Bf7 25. Nd5 Qxe5 26. Qxe5 Rxe5 27. Rxe5 Bd6 0-1

[Event "Eastern Asia-ch U20"]
[Site "Kota Kinabalu"]
[Date "2023.12.03"]
[Round "3"]
[White "Amilal, Munkhdalai"]
[Black "Romualdez, Davin Sean"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2388"]
[BlackElo "1669"]
[PlyCount "61"]
[EventDate "2023.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be3 Bg7 9. Be2 0-0 10. Qd2 Qa5 11. 0-0 Be6 12. Rac1 Rfc8 13. b3 a6 14. f4 b5 15. f5 Bd7 16. g4 Bc6 17. g5 Nd7 18. fxg6 hxg6 19. Bg4 Rd8 20. Rxf7 Kxf7 21. Rf1+ Ke8 22. Nd5 Ne5 23. Qxa5 Bxd5 24. exd5 Nxg4 25. Bb6 Rdc8 26. cxb5 Ne5 27. bxa6 Nd7 28. Qa4 Rc2 29. Bd4 Rxa6 30. Qxa6 Bxd4+ 31. Kh1 1-0

