[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.21"]
[Round "9"]
[White "Dominguez Laguna, Didac"]
[Black "Marquina Sierra, David"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1824"]
[BlackElo "1719"]
[PlyCount "41"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. f4 Bg7 5. Nf3 d6 6. Bxc6+ bxc6 7. d3 Nf6 8. 0-0 0-0 9. Qe1 Rb8 10. Qh4 Nd7 11. f5 e5 12. Qh3 Nf6 13. g4 Kh8 14. Rb1 Rg8 15. Kh1 Qf8 16. Qh4 gxf5 17. exf5 Nd5 18. Nxd5 cxd5 19. f6 e4 20. Ng5 Bh6 21. Qxh6 1-0

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.20"]
[Round "8"]
[White "Marquina Sierra, David"]
[Black "Delgado Camara, Lluis Felix"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1719"]
[BlackElo "1813"]
[PlyCount "45"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nf3 d5 6. 0-0 Bd6 7. b3 Qe7 8. Ne5 Nbd7 9. Bb2 0-0 10. Nd2 Ne4 11. Ndf3 Nxe5 12. Nxe5 Bd7 13. f3 Nf6 14. Qd3 c5 15. e4 dxe4 16. fxe4 Bxe5 17. dxe5 Nxe4 18. Bxe4 fxe4 19. Qxe4 Bc6 20. Qg4 Rad8 21. Rxf8+ Kxf8 22. Rd1 Rxd1+ 23. Qxd1 1/2-1/2

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.19"]
[Round "7"]
[White "Vara Soler, Luis"]
[Black "Marquina Sierra, David"]
[Result "1-0"]
[ECO "B59"]
[WhiteElo "1865"]
[BlackElo "1719"]
[PlyCount "83"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. f3 0-0 10. Qd2 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. 0-0-0 Nb4 14. Kb1 Rc8 15. c3 Bxb3 16. axb3 Nc6 17. Qxd8 Rfxd8 18. b4 a6 19. Bb6 Rd6 20. Rxd6 Bxd6 21. Rd1 Bc7 22. Bxc7 Rxc7 23. b5 axb5 24. Bxb5 Kf8 25. Bxc6 bxc6 26. b4 Ke7 27. Kc2 Rd7 28. Rxd7+ Kxd7 29. Kb3 Kd6 30. Kc4 f5 31. g4 fxg4 32. fxg4 Ke6 33. Kd3 Kd6 34. Ke4 g6 35. g5 Ke6 36. c4 Kd6 37. h4 Ke6 38. b5 c5 39. b6 Kd6 40. b7 Kc7 41. Kxe5 Kxb7 42. Kd6 1-0

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.18"]
[Round "6"]
[White "Marquina Sierra, David"]
[Black "Volart Buil, Jordi"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1719"]
[BlackElo "1763"]
[PlyCount "129"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 h6 4. Nf3 Nf6 5. h3 Bf5 6. Qb3 Qb6 7. Qxb6 axb6 8. cxd5 cxd5 9. Bf4 e6 10. a3 Be7 11. e3 0-0 12. Be2 Nc6 13. 0-0 Bc2 14. Rfc1 Bb3 15. Nb5 Rfc8 16. Rc3 Na5 17. Rac1 Rxc3 18. Rxc3 Bc4 19. Bxc4 dxc4 20. Bd6 Bd8 21. Nd2 Nd5 22. Rc2 Be7 23. Bxe7 Nxe7 24. Nxc4 Rc8 25. Nbd6 Rc6 26. Rc3 Nd5 27. Nxa5 bxa5 28. Rxc6 bxc6 29. Nc4 a4 30. e4 Nf6 31. f3 Nd7 32. Kf2 Kf8 33. Ke3 Ke7 34. Kd3 f6 35. Kc3 e5 36. dxe5 fxe5 37. Kb4 g5 38. Kxa4 h5 39. Kb4 g4 40. fxg4 hxg4 41. hxg4 Ke6 42. g5 Kf7 43. Na5 Kg6 44. Nxc6 Kxg5 45. Kc4 Kf4 46. Kd3 Nc5+ 47. Ke2 Kxe4 48. b4 Na4 49. Kd2 Kf4 50. g4 Kxg4 51. Nxe5+ Kf5 52. Nc4 Ke6 53. Kc2 Kd5 54. Kb3 Nc5+ 55. bxc5 Kxc5 56. a4 Kc6 57. Kb4 Kb7 58. Kb5 Ka7 59. a5 Kb7 60. Ne3 Ka7 61. Nd5 Kb7 62. a6+ Ka7 63. Ka5 Kb8 64. Kb6 Ka8 65. Nc7+ 1-0

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.17"]
[Round "5"]
[White "Anglada Bigorda, Climent"]
[Black "Marquina Sierra, David"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1895"]
[BlackElo "1719"]
[PlyCount "88"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. g4 d5 2. g5 e5 3. d4 e4 4. c4 c6 5. Nc3 Bb4 6. Bg2 Ne7 7. h4 Nf5 8. e3 Be6 9. Bd2 Nd7 10. cxd5 cxd5 11. Nxe4 Bxd2+ 12. Nxd2 h6 13. Ngf3 hxg5 14. hxg5 Rxh1+ 15. Bxh1 f6 16. Nh4 Nxh4 17. Qh5+ Kf8 18. Qxh4 fxg5 19. Qh8+ Kf7 20. Qh5+ g6 21. Qh7+ Kf6 22. f4 gxf4 23. Qh4+ Kg7 24. Qxf4 Qf6 25. Qxf6+ Nxf6 26. Rc1 Rc8 27. Rc3 Rxc3 28. bxc3 b6 29. Ke2 Kh6 30. Kd3 Bf5+ 31. e4 dxe4+ 32. Nxe4 Nxe4 33. Bxe4 Bxe4+ 34. Kxe4 Kg7 35. a4 Kf6 36. c4 Ke6 37. Kf4 Kf6 38. d5 Ke7 39. Ke5 g5 40. Kf5 Kd6 41. Kxg5 a6 42. Kf4 b5 43. cxb5 axb5 44. axb5 Kxd5 1/2-1/2

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.16"]
[Round "4"]
[White "Marquina Sierra, David"]
[Black "Agadzhanyan, Sonya"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1719"]
[BlackElo "1574"]
[PlyCount "149"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. g3 Nbd7 5. Bg2 c5 6. cxd5 Nxd5 7. 0-0 Be7 8. e4 Nc7 9. d5 Nf6 10. dxe6 Nxe6 11. Nc3 0-0 12. e5 Nd7 13. Ne4 Qb6 14. Qc2 h6 15. Rd1 Qc7 16. Nd6 Rd8 17. Qf5 Bxd6 18. exd6 Qb6 19. b3 Nf6 20. Qd3 Ne8 21. Be3 Rxd6 22. Qc3 Bd7 23. Ne5 Rd8 24. Rdc1 Nd4 25. Bxd4 cxd4 26. Qf3 Be6 27. Qxb7 Qxb7 28. Bxb7 d3 29. Rd1 Bf5 30. Rd2 f6 31. Nc4 Re6 32. Ne3 Be4 33. Bxe4 Rxe4 34. Rad1 Red4 35. Nc4 Nc7 36. Nb2 Ne6 37. Rxd3 Ng5 38. Rxd4 Rxd4 39. Rxd4 Nf3+ 40. Kf1 Nxd4 41. f4 Kf7 42. Kf2 g5 43. fxg5 fxg5 44. Ke3 Nc2+ 45. Ke4 Ke6 46. Nd3 Na3 47. Nc5+ Kf6 48. g4 Nb5 49. Na4 Nc7 50. Nb2 Ne6 51. Nd3 Nc7 52. Nb4 Nb5 53. a4 Nc3+ 54. Kd4 Ne2+ 55. Ke3 Nc1 56. Nc6 Nxb3 57. Nxa7 Nc5 58. a5 Nb7 59. Nc6 Nxa5 60. Nxa5 Kg6 61. Ke4 h5 62. h3 hxg4 63. hxg4 Kf6 64. Nc4 Kg6 65. Ke5 Kh6 66. Kf5 Kh7 67. Kxg5 Kg7 68. Nd2 Kg8 69. Kg6 Kh8 70. Kf7 Kh7 71. g5 Kh8 72. Nb1 Kh7 73. g6+ Kh8 74. g7+ Kh7 75. g8Q+ 1-0

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.15"]
[Round "3"]
[White "Daguro Dasalla, Armando"]
[Black "Marquina Sierra, David"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1902"]
[BlackElo "1719"]
[PlyCount "59"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. Nbd2 e6 5. e3 Be7 6. Bd3 0-0 7. h3 c5 8. c3 d5 9. 0-0 c4 10. Bc2 b5 11. Qe2 Nbd7 12. Bh2 b4 13. Ne5 bxc3 14. bxc3 Qa5 15. Nb1 Rac8 16. a4 Bc6 17. Rc1 Nxe5 18. Bxe5 Nd7 19. Bg3 Nb6 20. f3 Bd7 21. e4 Rc6 22. Be1 Rfc8 23. Nd2 Bf8 24. Nf1 Na8 25. Ne3 Ra6 26. Ra2 Bc6 27. Qf2 Qd8 28. Ng4 Rb8 29. Qg3 Rab6 30. Nh6+ 1-0

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.14"]
[Round "2"]
[White "Qian, Tsz Man Ryan"]
[Black "Marquina Sierra, David"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1533"]
[BlackElo "1719"]
[PlyCount "138"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d3 dxc4 5. dxc4 Qxd1+ 6. Nxd1 Bd7 7. Bg2 Bc6 8. Nf3 Bc5 9. a3 a5 10. Bf4 Bb6 11. 0-0 Nbd7 12. Nc3 h6 13. h4 Nh5 14. Bd2 Nxg3 15. Rfb1 Ne4 16. Nxe4 Bxe4 17. Re1 Nc5 18. b4 Nb3 19. Rad1 Bc2 20. bxa5 Bxd1 21. axb6 Nxd2 22. Rxd1 Nxf3+ 23. Bxf3 cxb6 24. Rb1 Rxa3 25. Rxb6 0-0 26. Rxb7 Rc8 27. Be4 Rh3 28. c5 f5 29. Bg2 Rxh4 30. c6 Rc4 31. Re7 R4xc6 32. Bxc6 Rxc6 33. Kg2 Kh7 34. Kf3 Kg6 35. Kf4 Kf6 36. Re8 Rc4+ 37. Kg3 Rc3+ 38. f3 e5 39. Ra8 e4 40. Kf4 g5+ 41. Kg3 exf3 42. exf3 g4 43. Rf8+ Kg6 44. Kg2 Rxf3 45. Ra8 h5 46. Rg8+ Kf6 47. Rh8 Kg5 48. Rg8+ Kh4 49. Ra8 Rb3 50. Rf8 Rb2+ 51. Kg1 f4 52. Rxf4 Kg3 53. Rf1 h4 54. Ra1 Rb3 55. Kh1 h3 56. Rg1+ Kh4 57. Kh2 g3+ 58. Kh1 Rb2 59. Ra1 Rb4 60. Rg1 g2+ 61. Kh2 Rf4 62. Ra1 Rf1 63. Rxf1 gxf1N+ 64. Kg1 Ne3 65. Kh2 Kg4 66. Kg1 Kg3 67. Kh1 Ng4 68. Kg1 h2+ 69. Kh1 Nf2# 0-1

[Event "Barcelona Sant Marti op-B 24th"]
[Site "Barcelona"]
[Date "2024.07.13"]
[Round "1"]
[White "Marquina Sierra, David"]
[Black "Saheb, Kamel"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1719"]
[BlackElo "1918"]
[PlyCount "115"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 g6 5. Bd3 Bg7 6. Bxe4 dxe4 7. Nc3 f5 8. Nge2 0-0 9. Qd2 c5 10. h4 Nc6 11. 0-0-0 Qa5 12. d5 Rd8 13. h5 Ne5 14. Bxe5 Bxe5 15. hxg6 hxg6 16. g4 e6 17. gxf5 exf5 18. Rdg1 Kg7 19. Nd4 Bd7 20. Qe2 Rh8 21. Nb3 Qc7 22. f3 Rxh1 23. Rxh1 exf3 24. Qxf3 Rh8 25. Rxh8 Kxh8 26. e4 c4 27. Nd2 Qc5 28. exf5 Bxf5 29. Qe2 Bxc3 30. bxc3 Qa3+ 31. Kb1 Qxc3 32. Nxc4 b5 33. Qe5+ Qxe5 34. Nxe5 Kg7 35. d6 g5 36. d7 Bxd7 37. Nxd7 g4 38. Ne5 g3 39. Kc1 Kf6 40. Nf3 Kf5 41. Kd2 Ke4 42. Nh4 b4 43. c3 bxc3+ 44. Kxc3 Kf4 45. Kd3 Kg4 46. Ng2 Kf3 47. Ne1+ Kf2 48. Kd2 Kf1 49. Kd1 Kf2 50. a4 Kf1 51. a5 Kf2 52. Kd2 Kf1 53. a6 Kf2 54. Nd3+ Kf3 55. Ke1 g2 56. Ne5+ Kg3 57. Nc6 g1Q+ 58. Kd2 0-1

