[Event "San Sebastian Reyes op"]
[Site "San Sebastian de los Reyes"]
[Date "2020.12.11"]
[Round "7"]
[White "Diaz Guzman, David"]
[Black "Pulido Vargas, Marco Antonio"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1196"]
[BlackElo "1260"]
[PlyCount "83"]
[EventDate "2020.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 e6 7. 0-0 Nxe4 8. Bxe4 c5 9. Re1 Be7 10. c4 0-0 11. Bf4 Nf6 12. Bc2 cxd4 13. Qxd4 Qxd4 14. Nxd4 Rd8 15. Rad1 Bd7 16. Bg5 g6 17. Be4 Nxe4 18. Bxe7 Re8 19. Bh4 Nc5 20. b3 e5 21. Nf3 Bc6 22. Nxe5 Kg7 23. Nxc6 Rxe1+ 24. Rxe1 bxc6 25. f3 Nd3 26. Rd1 Nb4 27. a4 Re8 28. Bf2 a5 29. Bb6 Ra8 30. Rd6 Kf8 31. Rd8+ Rxd8 32. Bxd8 Na6 33. Bxa5 c5 34. Kf2 Ke7 35. Ke3 Kd6 36. Ke4 Ke6 37. g4 f5+ 38. gxf5+ gxf5+ 39. Kf4 h6 40. h4 Nb4 41. Bxb4 cxb4 42. a5 1-0

[Event "San Sebastian Reyes op"]
[Site "San Sebastian de los Reyes"]
[Date "2020.12.10"]
[Round "6"]
[White "Lopez Ibarra Perdones, Miguel"]
[Black "Diaz Guzman, David"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1173"]
[BlackElo "1196"]
[PlyCount "116"]
[EventDate "2020.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. e3 0-0 6. Nge2 d6 7. 0-0 Bf5 8. d4 Bb6 9. b3 Rb8 10. Bb2 Re8 11. Nd5 Kh8 12. Nxb6 axb6 13. Qd2 Ne4 14. Bxe4 Bxe4 15. f3 Bg6 16. d5 Na7 17. f4 f6 18. Rf2 c6 19. Nc3 exf4 20. exf4 c5 21. Re2 Qd7 22. Rae1 b5 23. Rxe8+ Rxe8 24. Rxe8+ Qxe8 25. Qe2 Qxe2 26. Nxe2 bxc4 27. bxc4 b5 28. cxb5 Nxb5 29. a4 Nc7 30. Nc3 Bf7 31. Ba3 Nxd5 32. Nxd5 Bxd5 33. Kf2 Bc6 34. a5 Bb5 35. Ke3 Bc6 36. Kd3 Kg8 37. Kc4 Kf7 38. a6 Ke7 39. Bxc5 dxc5 40. Kxc5 Bh1 41. Kb6 Ke6 42. a7 Kf5 43. Kc7 Kg4 44. Kb8 Kh3 45. a8Q Bxa8 46. Kxa8 Kxh2 47. Kb7 Kxg3 48. f5 Kg4 49. Kc6 Kxf5 50. Kd5 h5 51. Kd4 Kf4 52. Kd3 Kf3 53. Kd2 Kf2 54. Kd3 h4 55. Ke4 h3 56. Kf4 h2 57. Kg4 h1Q 58. Kf4 Qf3# 0-1

[Event "San Sebastian Reyes op"]
[Site "San Sebastian de los Reyes"]
[Date "2020.12.09"]
[Round "5"]
[White "Diaz Guzman, David"]
[Black "Rodriguez Claes, Adrian"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1196"]
[PlyCount "60"]
[EventDate "2020.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. 0-0 d5 10. exd5 Nxd5 11. Qb3 Be6 12. Qxb7 Nde7 13. Bxe6 fxe6 14. Nb3 Rb8 15. Qa6 Rb6 16. Qe2 Nb4 17. Nc5 Rf6 18. Ng5 Qd5 19. Qh5 Rg6 20. Qxh7+ Kf8 21. Nce4 Rh6 22. Nc3 Qxg5 23. Qe4 Nbd5 24. Nxd5 exd5 25. f4 Qh4 26. Qf3 Qxh2+ 27. Kf2 Rxb2+ 28. Ke1 Qxg2 29. Qe3 Re6 30. Qxe6 Qd2# 0-1

[Event "San Sebastian Reyes op"]
[Site "San Sebastian de los Reyes"]
[Date "2020.12.08"]
[Round "4"]
[White "Mehalingam, Karunanithi"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1546"]
[BlackElo "1196"]
[PlyCount "54"]
[EventDate "2020.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. e5 Ne4 8. Qf3 Nxc3 9. bxc3 Ba5 10. Ba3 d6 11. exd6 cxd6 12. Qxc6+ Bd7 13. Qe4+ Be6 14. Bb5+ Ke7 15. Bb4 Rb8 16. a4 a6 17. Bxa6 Bxb4 18. cxb4 Qb6 19. Bb5 d5 20. Qe2 Qd6 21. Rb1 f6 22. 0-0 Kf7 23. Rfd1 Bd7 24. c4 Rhe8 25. Qh5+ Kf8 26. Rxd5 Qxb4 27. Rdd1 Rxb5 1-0

[Event "San Sebastian Reyes op"]
[Site "San Sebastian de los Reyes"]
[Date "2020.12.07"]
[Round "3"]
[White "Diaz Guzman, David"]
[Black "Pajares Sanchez, Gonzalo"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "1196"]
[PlyCount "94"]
[EventDate "2020.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Qd5 9. Qe2 Qxg2 10. Qxe5+ Be7 11. Rf1 Qd5 12. Qxd5 Nxd5 13. Ne4 Nb4 14. Ke2 Nxd3 15. Kxd3 Bf5 16. f3 0-0-0+ 17. Ke2 Rhe8 18. Nbc3 Nb7 19. d3 Bc5 20. Be3 Bxe3 21. Kxe3 Bh3 22. Rg1 f5 23. Rg3 fxe4 24. Rxh3 exd3+ 25. Kd2 dxc2+ 26. Kxc2 h6 27. Rg3 g5 28. Rh3 Re6 29. Rd1 Rg8 30. Rd4 a5 31. Na4 Rgg6 32. f4 Re2+ 33. Kd3 Rg2 34. fxg5 R2xg5 35. Rf3 Nc5+ 36. Nxc5 Rxc5 37. Rc4 Rxc4 38. Kxc4 Rg2 39. Rf6 Rc2+ 40. Kb3 Rxh2 41. Rxc6+ Kb7 42. Rd6 Rh4 43. Rd5 Rb4+ 44. Ka3 Ka6 45. Rh5 Rb6 46. Ka4 Rxb2 47. Rxh6+ Kb7 1/2-1/2

[Event "San Sebastian Reyes op"]
[Site "San Sebastian de los Reyes"]
[Date "2020.12.06"]
[Round "2"]
[White "Solanilla Olcese, Alejandro"]
[Black "Diaz Guzman, David"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1001"]
[BlackElo "1196"]
[PlyCount "82"]
[EventDate "2020.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bxb5 Qxd5 7. Bxc6+ Qxc6 8. f3 h6 9. Nh3 Bxh3 10. gxh3 Bc5 11. d3 0-0 12. Nc3 Rad8 13. Qe2 Rfe8 14. Be3 Bd4 15. Nd1 Nh7 16. Qg2 Bxe3 17. Nxe3 Ng5 18. 0-0 Qb6 19. Rfe1 Qxb2 20. Nc4 Qd4+ 21. Kf1 Qf4 22. Qg4 Qxf3+ 23. Qxf3 Nxf3 24. Re2 f6 25. Kg2 Nd4 26. Rf2 Ne6 27. Na5 Rd6 28. Rb1 Rb6 29. Rxb6 axb6 30. Nc6 Ra8 31. c3 Ra3 32. Rc2 Nf4+ 33. Kf3 Nxd3 34. Rd2 Rxc3 35. Ke4 Rxc6 36. Rxd3 Rc2 37. Rd7 Rc4+ 38. Kd5 Rd4+ 39. Kc6 Rxd7 40. Kxd7 e4 41. Ke6 e3 0-1

[Event "San Sebastian Reyes op"]
[Site "San Sebastian de los Reyes"]
[Date "2020.12.05"]
[Round "1"]
[White "Diaz Guzman, David"]
[Black "Vega De Alba, Miguel"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1196"]
[BlackElo "1752"]
[PlyCount "54"]
[EventDate "2020.12.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. f3 Be6 10. 0-0-0 Rc8 11. g4 Ne5 12. Nxe6 fxe6 13. h4 Qa5 14. a3 Nc4 15. Bxc4 Rxc4 16. Qe2 Rfc8 17. Rd4 Rxc3 18. bxc3 Qxa3+ 19. Kd1 Rxc3 20. Qd2 Qa1+ 21. Qc1 Qa6 22. Rh2 Qf1+ 23. Kd2 Qxf3 24. Rf2 Nxe4+ 25. Ke1 Nxf2 26. Rf4 Nd3+ 27. Kd2 Qxf4 0-1

[Event "De los Reyes op 21st"]
[Site "De los Reyes"]
[Date "2019.12.08"]
[Round "9"]
[White "Diaz Guzman, David"]
[Black "Raskin Calvo, Elizabetta"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1137"]
[BlackElo "1144"]
[PlyCount "67"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nf6 7. Be3 b5 8. Qd3 Bb7 9. f3 d5 10. exd5 Nxd5 11. Nxd5 Bxd5 12. Be2 Nd7 13. f4 e5 14. Nxb5 axb5 15. Qxd5 exf4 16. Qxa8+ Nb8 17. Qe4+ Be7 18. Bxf4 Qb6 19. Bxb8 Qxb8 20. Rd1 Qc7 21. Bxb5+ Kf8 22. Qa8+ Bd8 23. Rxd8+ Ke7 24. Rxh8 Qe5+ 25. Be2 Kf6 26. Rf1+ Kg6 27. Qc6+ Qe6 28. Qxe6+ fxe6 29. Bd3+ Kh6 30. Rxh7+ Kg5 31. Rxg7+ Kh6 32. Rg8 Kh5 33. Rf7 Kh6 34. Rh7# 1-0

[Event "De los Reyes op 21st"]
[Site "De los Reyes"]
[Date "2019.12.07"]
[Round "8"]
[White "Lozano Hernanz, Rodrigo"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1485"]
[BlackElo "1137"]
[PlyCount "93"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. Nxd4 Nf6 6. Nc3 Ne5 7. Bb3 Bc5 8. Bf4 d6 9. Ba4+ Bd7 10. Bxd7+ Qxd7 11. Bxe5 dxe5 12. Nf5 Qxd1+ 13. Rxd1 0-0 14. 0-0 Rad8 15. h3 c6 16. Rfe1 Bb4 17. Ng3 Bxc3 18. bxc3 Rd7 19. Rxd7 Nxd7 20. Nf5 Nc5 21. f3 Rd8 22. Ne3 f6 23. Rd1 Rxd1+ 24. Nxd1 Ne6 25. Ne3 Nf4 26. Kf2 Kf7 27. Nc4 Ne6 28. Nd6+ Ke7 29. Nxb7 Kd7 30. c4 Nd4 31. c3 Nc2 32. Kg3 Na3 33. c5 Nb1 34. c4 Nc3 35. a3 Nb1 36. a4 Nd2 37. Na5 Nf1+ 38. Kf2 Nd2 39. Ke2 Nb1 40. Kd3 Na3 41. Kc3 Nb1+ 42. Kc2 Na3+ 43. Kb2 Nxc4+ 44. Nxc4 g6 45. Kb3 Ke6 46. Kb4 f5 47. Ka5 1-0

[Event "De los Reyes op 21st"]
[Site "De los Reyes"]
[Date "2019.12.06"]
[Round "7"]
[White "Diaz Guzman, David"]
[Black "Villaverde Casalengua, Jose Luis"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1137"]
[BlackElo "1675"]
[PlyCount "109"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 a6 7. a4 Nc6 8. h3 e5 9. d5 Ne7 10. Bg5 h6 11. Bh4 g5 12. Bg3 Nd7 13. Qd2 Ng6 14. Nd1 Nc5 15. Re1 f5 16. exf5 Bxf5 17. Ne3 Ne4 18. Qb4 Nxg3 19. fxg3 Bxh3 20. g4 Rf4 21. Nh2 Bxg2 22. Kxg2 Nh4+ 23. Kg3 Rb8 24. Qb3 e4 25. Rf1 Qf8 26. Ng2 Nxg2 27. Kxg2 Be5 28. Rxf4 Qxf4 29. Qh3 Rf8 30. Rf1 Qd2+ 31. Kh1 Bf4 32. Qg2 Qe3 33. Qf2 Qxf2 34. Rxf2 Kg7 35. Re2 e3 36. Kg2 Kf6 37. Nf1 Re8 38. Kf3 Re7 39. Nxe3 Be5 40. b3 Kg6 41. Bd3+ Kf6 42. Nc4 Bc3 43. Rxe7 Kxe7 44. Ke4 Kf6 45. Ne3 a5 46. Nc4 Kg6 47. Ke3+ Kf6 48. Ke2 Ke7 49. Kd1 Kf6 50. Ke2 Ke7 51. Ke3 Kf6 52. Be4 b6 53. Kd3 Be1 54. Kd4 Bb4 55. Kd3 1/2-1/2

[Event "De los Reyes op 21st"]
[Site "De los Reyes"]
[Date "2019.12.03"]
[Round "4"]
[White "Alvarez Gonzalez, Eduardo"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1743"]
[BlackElo "1137"]
[PlyCount "65"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 Nbd7 10. Be3 Nc5 11. Qd2 c6 12. Rfd1 Qd7 13. Nb3 Nxb3 14. axb3 Rd8 15. Rxa7 Rxa7 16. Bxa7 Qc7 17. c5 Qd7 18. Bb6 Re8 19. Qxd6 Qxd6 20. cxd6 Be6 21. Bc4 Nd7 22. Bc7 Bf6 23. Kf2 Bd8 24. Ke3 Bxc4 25. bxc4 Bf6 26. Na4 Bd8 27. c5 Kf8 28. b4 f6 29. Nb6 Bxc7 30. Nxd7+ Kf7 31. dxc7 Rc8 32. Nb6 Ke6 33. Nxc8 1-0

[Event "De los Reyes op 21st"]
[Site "De los Reyes"]
[Date "2019.12.02"]
[Round "3"]
[White "Diaz Guzman, David"]
[Black "Diez Cuarental, Luis Pablo"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1137"]
[BlackElo "1208"]
[PlyCount "55"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Be2 Qxd5 7. 0-0 e4 8. d3 h6 9. Nxe4 Nxe4 10. dxe4 Qxd1 11. Rxd1 a6 12. Nc3 Bb7 13. Bf4 Rc8 14. Bg4 Rd8 15. Rxd8+ Kxd8 16. Rd1+ Ke8 17. Bxc7 Bb4 18. Nd5 Ba5 19. Bxa5 Nxa5 20. Nc7+ Ke7 21. Rd7+ Kf6 22. Nd5+ Ke5 23. Rxf7 Kxe4 24. Ne7 g5 25. f3+ Ke3 26. b4 Rd8 27. Nf5+ Ke2 28. f4+ 1-0

[Event "De los Reyes op 21st"]
[Site "De los Reyes"]
[Date "2019.12.01"]
[Round "2"]
[White "Garcia Minguez, Antonio"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1542"]
[BlackElo "1137"]
[PlyCount "109"]
[EventDate "2019.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Nbd2 0-0 5. e4 d5 6. Bd3 Nc6 7. 0-0 Re8 8. e5 Nd7 9. Re1 Nf8 10. h3 Bd7 11. Nb3 b6 12. Be3 Ne6 13. Qd2 a5 14. a4 Na7 15. Qe2 Qc8 16. c4 dxc4 17. Bxc4 Nc6 18. Bb5 Nb4 19. Rac1 Bxb5 20. Qxb5 Qa6 21. Qxa6 Rxa6 22. Red1 Ra7 23. Nbd2 Rb7 24. Nc4 Rd8 25. Ng5 Nxg5 26. Bxg5 Nc6 27. Be3 Nb4 28. b3 Nd5 29. Na3 Nxe3 30. fxe3 Bh6 31. Kf2 Rc8 32. Rc6 Kf8 33. Nb5 Ke8 34. Rdc1 Kd7 35. Kf3 Bg5 36. g3 e6 37. Nd6 cxd6 38. Rxc8 dxe5 39. dxe5 f6 40. h4 Bh6 41. exf6 b5 42. Rh8 Kd6 43. axb5 Rxb5 44. Rc3 Rf5+ 45. Kg4 Rxf6 46. Rxh7 Bf8 47. Rb7 Kd5 48. Rb5+ Kd6 49. Rd3+ Kc6 50. Rxa5 Kb6 51. Ra4 Kb5 52. Rf4 Rxf4+ 53. exf4 Be7 54. Re3 Kc5 55. Rxe6 1-0

[Event "San Sebastian de los Reyes op U2200 2nd"]
[Site "San Sebastian de los Reyes"]
[Date "2019.05.26"]
[Round "6"]
[White "Solanilla Olcese, Alejandro"]
[Black "Diaz Guzman, David"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1144"]
[PlyCount "76"]
[EventDate "2019.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Qb3 Bxd2+ 9. Nbxd2 Nd6 10. 0-0-0 0-0 11. Rde1 Qf6 12. Qc3 Nf5 13. Ne5 d6 14. Nxc6 bxc6 15. d5 Qxc3+ 16. bxc3 cxd5 17. Bxd5 Rb8 18. g4 Nh6 19. f3 Bb7 20. Bxb7 Rxb7 21. Re7 f6 22. Nb3 Rf7 23. Re8+ Rf8 24. Re7 Rfb8 25. h4 Kf8 26. Rhe1 c6 27. R7e3 Rb5 28. Re6 Re5 29. R6xe5 dxe5 30. g5 Nf5 31. gxf6 gxf6 32. Rf1 Rd8 33. Nc5 Rd5 34. Ne6+ Ke7 35. c4 Ra5 36. Nc7 Rxa2 37. f4 Ra1+ 38. Kd2 Rxf1 0-1

[Event "San Sebastian de los Reyes op U2200 2nd"]
[Site "San Sebastian de los Reyes"]
[Date "2019.05.25"]
[Round "5"]
[White "Sanabria Gris, Pol"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1146"]
[BlackElo "1144"]
[PlyCount "69"]
[EventDate "2019.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 d6 6. Ng5 0-0 7. d3 h6 8. Nf3 Bg4 9. h3 Bh5 10. Nd5 Nd4 11. Nxf6+ Qxf6 12. Kh1 Nxf3 13. d4 Nxd4 14. Qxh5 Nxc2 15. Rb1 Kh7 16. f4 Qg6 17. Qh4 Be3 18. f5 Qg5 19. Qxg5 Bxg5 20. Bxg5 hxg5 21. Bd5 c6 22. Bb3 Nd4 23. f6 Kg6 24. fxg7 Kxg7 25. g3 Kg6 26. h4 f5 27. exf5+ Rxf5 28. Rxf5 Kxf5 29. h5 Rh8 30. Bf7 Kg4 31. Kg2 Nf5 32. Be6 Rxh5 33. Rf1 Rh6 34. Bxf5+ Kh5 35. Rh1# 1-0

[Event "San Sebastian de los Reyes op U2200 2nd"]
[Site "San Sebastian de los Reyes"]
[Date "2019.05.19"]
[Round "4"]
[White "Diaz Guzman, David"]
[Black "Gonzalez Morente, Jose A"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1144"]
[BlackElo "1462"]
[PlyCount "68"]
[EventDate "2019.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. h3 Bf5 9. Bg5 Be7 10. Bd3 Bxd3 11. Qxd3 0-0 12. Rfe1 Nbd7 13. Rad1 Rad8 14. Ne2 Nd5 15. Ng3 Bxg5 16. Nxg5 N7f6 17. c4 Nf4 18. Qc2 h6 19. N5e4 Nxe4 20. Nxe4 Qc7 21. Re3 Qe7 22. Rf3 e5 23. b3 Qh4 24. Qc3 Nxh3+ 25. Rxh3 Qxe4 26. Re3 exd4 27. Rxe4 dxc3 28. Rc1 Rd2 29. a3 c2 30. Ree1 Rfd8 31. Rf1 R8d3 32. Ra1 Rd1 33. b4 Rxa1 34. Rxa1 Rd1+ 0-1

[Event "San Sebastian de los Reyes op U2200 2nd"]
[Site "San Sebastian de los Reyes"]
[Date "2019.05.18"]
[Round "3"]
[White "Lozano Suarez, Luis Miguel"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2137"]
[BlackElo "1144"]
[PlyCount "37"]
[EventDate "2019.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 c5 6. Nf3 Bd6 7. Bxd6 Qxd6 8. Qb3 b6 9. Rd1 cxd4 10. Nxd4 Qe5 11. Nxf5 Qxf5 12. cxd5 Ng4 13. Bb5+ Nd7 14. Bxd7+ Kxd7 15. dxe6+ Ke7 16. Nd5+ Kxe6 17. 0-0 Rad8 18. e4 Qe5 19. Ne3+ 1-0

[Event "San Sebastian de los Reyes op U2200 2nd"]
[Site "San Sebastian de los Reyes"]
[Date "2019.05.12"]
[Round "2"]
[White "Diaz Guzman, David"]
[Black "Luque Sanz, Victor"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1144"]
[BlackElo "1172"]
[PlyCount "51"]
[EventDate "2019.05.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Be2 Qxd5 7. 0-0 h6 8. Nf3 e4 9. Ne1 Bd6 10. d3 Qe5 11. g3 exd3 12. Nxd3 Qd5 13. Nc3 Qc6 14. Nf4 Bxf4 15. Bb5 Bxc1 16. Bxc6+ Nxc6 17. Rxc1 0-0 18. Nb5 Rd8 19. Qf3 Nd4 20. Nxd4 Rxd4 21. Qc3 Rd7 22. Rcd1 Rxd1 23. Rxd1 Be6 24. Qxc7 Bxa2 25. Qxb7 Re8 26. Qxa7 1-0

[Event "Madrid-ch U14"]
[Site "Madrid"]
[Date "2019.04.06"]
[Round "6"]
[White "Carretero Gijon, Adrian"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1594"]
[BlackElo "1194"]
[PlyCount "89"]
[EventDate "2019.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. c3 Nc6 6. Bd3 b6 7. Ne5 Nxe5 8. Bxe5 Bd6 9. Bg3 Qc7 10. f4 g5 11. Qf3 g4 12. Qe2 h5 13. Bh4 Ne4 14. Nd2 f5 15. Nxe4 dxe4 16. Bc4 Be7 17. Bxe7 Qxe7 18. h3 Qh4+ 19. Qf2 g3 20. Qc2 Qf6 21. Qb3 Ke7 22. dxc5 bxc5 23. Qb5 Kf7 24. Qxc5 Rd8 25. 0-0 Rd2 26. Rab1 Bb7 27. Rfd1 Rad8 28. Rxd2 Rxd2 29. Qxa7 Qe7 30. a4 Qc7 31. Ba6 Rd7 32. Qxb7 Qxb7 33. Bxb7 Rxb7 34. b4 Rc7 35. Rc1 Kf6 36. b5 e5 37. b6 Rc8 38. b7 Rb8 39. fxe5+ Kxe5 40. Rb1 f4 41. Rb5+ Kf6 42. exf4 Rd8 43. Kf1 Rb8 44. a5 e3 45. Ke2 1-0

[Event "Madrid-ch U14"]
[Site "Madrid"]
[Date "2019.04.06"]
[Round "5"]
[White "Serrano Vasquez, Pablo"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1304"]
[BlackElo "1194"]
[PlyCount "73"]
[EventDate "2019.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 c5 4. b3 Nc6 5. Bd3 Nf6 6. 0-0 Bd6 7. Bb2 0-0 8. Nbd2 Re8 9. Ne5 cxd4 10. exd4 a6 11. a3 Qc7 12. f4 h6 13. b4 b5 14. Qf3 Nh7 15. Nxc6 Qxc6 16. c4 bxc4 17. Nxc4 Qc7 18. Nxd6 Qxd6 19. Rac1 Bb7 20. Rc5 Nf6 21. f5 Nd7 22. fxe6 Qxe6 23. Rc7 Ra7 24. Bf5 Qf6 25. Bxd7 Qxf3 26. Rxf3 Re1+ 27. Kf2 Rd1 28. Ke3 Re1+ 29. Kd2 Re4 30. Bc6 Rg4 31. g3 g5 32. Rxb7 Ra8 33. Rbxf7 Rd8 34. Rd7 Re8 35. Rxd5 Re6 36. Bd7 Re7 37. Bxg4 1-0

[Event "Madrid-ch U14"]
[Site "Madrid"]
[Date "2019.03.31"]
[Round "4"]
[White "Diaz Guzman, David"]
[Black "Cervigon Recuero, Miguel"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1194"]
[BlackElo "1398"]
[PlyCount "64"]
[EventDate "2019.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 Nf6 6. Nf3 e6 7. Bd3 Bg6 8. Bxg6 hxg6 9. Bg5 Be7 10. Qd2 Nbd7 11. Rd1 Nd5 12. 0-0 Bxg5 13. Nxg5 Nxc3 14. bxc3 Nf6 15. Rfe1 Qd6 16. h3 Qd7 17. Nf3 0-0-0 18. Ne5 Qc7 19. Qc1 Rdf8 20. Qa3 a6 21. Rb1 Ne8 22. Rb3 Nd6 23. Qb2 Rh7 24. Rb1 g5 25. Ng4 Rfh8 26. Kf1 Rh4 27. f3 f5 28. Nf2 g4 29. fxg4 fxg4 30. Nxg4 Nc4 31. Qc1 Rxg4 32. Qd1 Ne3+ 0-1

[Event "Madrid-ch U14"]
[Site "Madrid"]
[Date "2019.03.31"]
[Round "3"]
[White "Simon Novillo, Carlos"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1420"]
[BlackElo "1194"]
[PlyCount "77"]
[EventDate "2019.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. h3 h6 7. c3 0-0 8. d4 Bb6 9. d5 Na5 10. Bd3 c6 11. b4 cxd5 12. exd5 Nxd5 13. bxa5 Bxa5 14. Bd2 Nf6 15. Bc2 Bb6 16. Be3 Bxe3 17. fxe3 Qc7 18. Qc1 Be6 19. Nbd2 Nd5 20. Bb3 Nxc3 21. Kh1 Bxb3 22. axb3 Rac8 23. Qb2 Nd5 24. Rfc1 Qb6 25. e4 Nf4 26. Nc4 Qb4 27. Qa3 Qxa3 28. Nxa3 Rce8 29. Nc4 Re6 30. Rxa7 Rb8 31. Rd1 Rg6 32. Nh4 Rf6 33. Rxd6 Rxd6 34. Nxd6 b6 35. Rxf7 Rd8 36. Nhf5 g6 37. Nxh6+ Kh8 38. Rxf4 exf4 39. Nhf7+ 1-0

[Event "Madrid-ch U14"]
[Site "Madrid"]
[Date "2019.03.30"]
[Round "2"]
[White "Blanco Martin, Oscar"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1613"]
[BlackElo "1194"]
[PlyCount "59"]
[EventDate "2019.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nf3 Nc6 5. a3 Be7 6. 0-0 0-0 7. b4 Bd6 8. Bb2 Nd7 9. c4 d4 10. Qb3 a5 11. c5 Bxc5 12. bxc5 Nxc5 13. Qc2 Nd7 14. Nbd2 Nf6 15. Rfc1 Bd7 16. Nb3 Qc8 17. Nc5 Bh3 18. Rab1 b6 19. Nb3 Re8 20. Qxc6 Bd7 21. Qxc7 Qxc7 22. Rxc7 Ba4 23. Nbd2 Rad8 24. Ne1 Re6 25. Rbc1 Bd7 26. Bh3 Re7 27. Bxd7 Rexd7 28. Ne4 Rxc7 29. Nxf6+ gxf6 30. Rxc7 1-0

[Event "Madrid-ch U14"]
[Site "Madrid"]
[Date "2019.03.30"]
[Round "1"]
[White "Diaz Guzman, David"]
[Black "Ferrando Marti, Roberto"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1194"]
[BlackElo "1459"]
[PlyCount "68"]
[EventDate "2019.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bf5 6. 0-0 e6 7. a3 c6 8. d3 Qc7 9. Bg5 Nbd7 10. Re1 Be7 11. Qd2 0-0 12. Nh4 Bg6 13. Nxg6 hxg6 14. Re3 Nb6 15. Rh3 Nxc4 16. dxc4 Qd6 17. Qe3 Nh7 18. Bh6 Bf6 19. Ne4 Qe7 20. Qf4 Rfd8 21. c3 Rd7 22. g4 g5 23. Nxf6+ Qxf6 24. Qxf6 gxf6 25. Re1 Rad8 26. Ree3 e5 27. Rh5 Rd2 28. b3 Rb2 29. b4 Ra2 30. Reh3 Rd1+ 31. Kg2 Rdd2 32. Kg3 Rxf2 33. Bg7 e4 34. Bxf6 Rg2# 0-1

[Event "San Sebastian de los Reyes op 20th"]
[Site "San Sebastian"]
[Date "2018.12.08"]
[Round "8"]
[White "Diaz Guzman, David"]
[Black "Ruiz Grau, David"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1126"]
[BlackElo "1289"]
[PlyCount "68"]
[EventDate "2018.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nc3 e6 7. Bc4 Nb6 8. Bb3 Be7 9. 0-0 0-0 10. Ne5 Nbd5 11. Bxd5 exd5 12. h3 Be6 13. f4 Nd7 14. f5 Nxe5 15. dxe5 Bc5+ 16. Kh1 Bd7 17. a3 Qh4 18. Rf4 Qe7 19. Qe2 Rae8 20. b4 Bb6 21. Bb2 Qxe5 22. Qxe5 Rxe5 23. f6 g6 24. Na4 Re2 25. c4 Bc7 26. Rd4 Rfe8 27. Bc3 Rf2 28. Rdd1 Ree2 29. cxd5 Rxg2 30. dxc6 Rh2+ 31. Kg1 Reg2+ 32. Kf1 Bc8 33. Re1 Be6 34. cxb7 Bc4+ 0-1

[Event "San Sebastian de los Reyes op 20th"]
[Site "San Sebastian"]
[Date "2018.12.05"]
[Round "5"]
[White "Diaz Guzman, David"]
[Black "Munoz Gonzalez, Martin"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1126"]
[BlackElo "1414"]
[PlyCount "76"]
[EventDate "2018.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nf4 4. d4 Ng6 5. Nf3 d6 6. exd6 Qxd6 7. Nc3 Bg4 8. Be2 Nc6 9. d5 Nce5 10. Nxe5 Qxe5 11. f3 Bf5 12. Nb5 a6 13. Nd4 e6 14. g4 Bb4+ 15. Kf1 0-0 16. gxf5 exf5 17. a3 Bd6 18. Qd3 Ne7 19. b4 c6 20. c5 Bxc5 21. bxc5 Qxd5 22. Qc4 Qe5 23. Bg5 Nd5 24. Re1 h6 25. Bh4 Ne3+ 26. Kf2 Nxc4 27. Nc2 Qxc5+ 28. Kg2 Nxa3 29. Nxa3 Qxa3 30. Bc4 Qb2+ 31. Re2 Qc3 32. Ba2 Rfe8 33. Rhe1 Rxe2+ 34. Rxe2 Kf8 35. Be1 Qa1 36. Kf1 Re8 37. Rxe8+ Kxe8 38. Bc4 b5 0-1

[Event "San Sebastian de los Reyes op 20th"]
[Site "San Sebastian"]
[Date "2018.12.03"]
[Round "3"]
[White "Lopez Sanz, David"]
[Black "Diaz Guzman, David"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1395"]
[BlackElo "1126"]
[PlyCount "91"]
[EventDate "2018.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Ne4 7. Bd3 Nc5 8. Bc4 d5 9. exd6 Qxd6 10. Qf3 Be6 11. Bf4 Qd7 12. Qe3 Rd8 13. Nc3 Be7 14. Be2 Bf5 15. Rd1 Qc8 16. Rd2 Rd7 17. 0-0 Rxd2 18. Qxd2 0-0 19. Re1 Rd8 20. Qc1 Bd6 21. Bg5 Re8 22. a3 Ne4 23. Bd3 Nxc3 24. Rxe8+ Qxe8 25. bxc3 Qe5 26. Bxf5 Qxf5 27. Be3 Qe5 28. g3 Qxc3 29. Bxa7 Qxa3 30. Qxa3 Bxa3 31. c4 f5 32. Be3 Kf7 33. Kf1 Ke6 34. Ke2 Kd6 35. Kd3 Bc5 36. Bd4 g5 37. f3 h5 38. f4 gxf4 39. gxf4 Bb6 40. h3 Bxd4 41. Kxd4 c5+ 42. Kc3 Kc6 43. h4 Kb6 44. Kb2 Ka5 45. Kb3 c6 46. Ka3 1/2-1/2

[Event "San Sebastian de los Reyes op 20th"]
[Site "San Sebastian"]
[Date "2018.12.02"]
[Round "2"]
[White "Rial Rodriguez, Marta"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1503"]
[BlackElo "1126"]
[PlyCount "41"]
[EventDate "2018.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nce7 5. c4 Nf6 6. Nc3 Ng6 7. Be2 Be7 8. h3 0-0 9. Bd2 c5 10. g4 h6 11. Qc1 Kh7 12. g5 hxg5 13. Nxg5+ Kg8 14. h4 Bg4 15. Bxg4 Nxg4 16. f3 Nh6 17. h5 Bxg5 18. Bxg5 f6 19. Bxh6 gxh6 20. hxg6 Qe8 21. Qxh6 1-0

[Event "San Sebastian de los Reyes op 20th"]
[Site "San Sebastian"]
[Date "2018.12.01"]
[Round "1"]
[White "Diaz Guzman, David"]
[Black "Gomez Logrosan, Cristian"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1126"]
[BlackElo "1790"]
[PlyCount "52"]
[EventDate "2018.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. Qd2 0-0 10. 0-0-0 Nbd7 11. f4 b5 12. a3 Qc7 13. Kb1 Rab8 14. h3 b4 15. axb4 Qb7 16. Nd5 Bxd5 17. exd5 Ne4 18. Qd3 Ng3 19. Rhg1 Nxe2 20. Qxe2 Qxb4 21. fxe5 Nxe5 22. Qxa6 Ra8 23. Qb6 Qa4 24. Kc1 Nc4 25. Qd4 Qa1+ 26. Nxa1 Rxa1# 0-1

[Event "San Sebastian de los Reyes op U2200 1st"]
[Site "Madrid"]
[Date "2018.05.27"]
[Round "6"]
[White "Sanchez Pina, Damian"]
[Black "Diaz Guzman, David"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "104"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 f6 7. 0-0 Nb4 8. Bb3 Bg4 9. Nbd2 Bc5 10. a3 Nc6 11. Ba2 Nd4 12. c3 Ne2+ 13. Kh1 Ne7 14. Bc4 Nf4 15. Rd1 Bxf2 16. h3 Bxf3 17. Nxf3+ Ke8 18. Rf1 Bb6 19. a4 a5 20. b4 Neg6 21. Rd1 Rd8 22. Ba3 c6 23. bxa5 Bxa5 24. Rab1 Rxd1+ 25. Rxd1 Bxc3 26. Rb1 Kd8 27. Rxb7 Nh5 28. Be6 Ba5 29. Kh2 Bc7 30. g3 Nf8 31. Bb4 Nxe6 32. a5 Kd7 33. a6 Ra8 34. a7 Nd8 35. Rxc7+ Kxc7 36. Bc5 Nb7 37. Be3 Nd6 38. Nd2 Nc8 39. Nc4 Nxa7 40. Bb6+ Kb7 41. Be3 Nb5 42. Kg2 Nd4 43. Nd6+ Kb8 44. Nf5 Nxf5 45. exf5 Ra3 46. Kf3 c5 47. Kg4 Rxe3 48. Kxh5 g6+ 49. fxg6 hxg6+ 50. Kxg6 Rxg3+ 51. Kxf6 c4 52. Kxe5 c3 0-1

[Event "San Sebastian de los Reyes op U2200 1st"]
[Site "Madrid"]
[Date "2018.05.20"]
[Round "5"]
[White "Diaz Guzman, David"]
[Black "Bujosa Del Rio, Diego"]
[Result "1/2-1/2"]
[ECO "C57"]
[BlackElo "1175"]
[PlyCount "54"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Qxd5 7. Nc3 Qd7 8. Bxb5 Be7 9. d3 0-0 10. 0-0 h6 11. Nge4 a6 12. Nxf6+ Bxf6 13. Ba4 Bb7 14. Ne4 Be7 15. Be3 Qd5 16. Bb3 Qd7 17. Nc5 Bxc5 18. Bxc5 Rfd8 19. Qf3 Rab8 20. Ba4 Re8 21. Rfe1 Ba8 22. Rab1 Bb7 23. Ba7 Ra8 24. Bc5 Rab8 25. Ba7 Ra8 26. Bc5 Rab8 27. Ba7 Ra8 1/2-1/2

[Event "San Sebastian de los Reyes op U2200 1st"]
[Site "Madrid"]
[Date "2018.05.13"]
[Round "4"]
[White "Garcia Rayo Escalada, Guillermo"]
[Black "Diaz Guzman, David"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "54"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bc4 Bc5 5. d3 Nd4 6. Nxd4 exd4 7. Nb5 c6 8. e5 cxb5 9. Bxb5 Nd5 10. 0-0 0-0 11. Bc4 Ne7 12. Qg4 d5 13. Qg5 dxc4 14. Bf4 Nd5 15. Qg3 Nxf4 16. Qxf4 Qe7 17. Rfe1 Re8 18. Re3 dxe3 19. Re1 exf2+ 20. Kf1 fxe1Q+ 21. Kxe1 Qxe5+ 22. Qxe5 Rxe5+ 23. Kf1 Bd7 24. d4 Bxd4 25. c3 Bb6 26. b3 Rae8 27. bxc4 Re1# 0-1

[Event "San Sebastian de los Reyes op U2200 1st"]
[Site "Madrid"]
[Date "2018.05.06"]
[Round "3"]
[White "Diaz Guzman, David"]
[Black "Martinez Paul Exposito, Ignacio Jesus"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "56"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d5 4. exd5 Na5 5. Bb5+ c6 6. dxc6 Nxc6 7. Bxc6+ bxc6 8. Nxe5 Qe7 9. Qe2 f6 10. Nxc6 Qxe2+ 11. Kxe2 Ba6+ 12. d3 Bb5 13. Nd4 Ba6 14. Ne6 Bd6 15. Nxg7+ Kd7 16. Nc3 Bf8 17. Nf5 Bb7 18. f3 Ne7 19. Nxe7 Bxe7 20. Bf4 Rhg8 21. g4 Rae8 22. Kf2 Bc5+ 23. Kg2 Rxg4+ 24. Kh3 Rxf4 25. Kg3 Rxf3+ 26. Kg4 Rg8+ 27. Kh4 Rf4+ 28. Kh3 Bg2# 0-1

[Event "San Sebastian de los Reyes op U2200 1st"]
[Site "Madrid"]
[Date "2018.04.22"]
[Round "1"]
[White "Criado Jimenez, Jose"]
[Black "Diaz Guzman, David"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1567"]
[PlyCount "41"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nge7 5. a3 d6 6. d3 0-0 7. Bg5 Bg4 8. Nf3 h6 9. Bd2 Nf5 10. e3 Qd7 11. h3 Bxf3 12. Bxf3 Rfe8 13. Bg4 g6 14. e4 h5 15. Nd5 Kg7 16. Bxf5 gxf5 17. Qxh5 Nd4 18. Bh6+ Kh8 19. Bg5+ Kg7 20. Bf6+ Kf8 21. Qh8# 1-0

