[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.03"]
[Round "1"]
[White "Villalba, Paul"]
[Black "Leal, Jose"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "71"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 Bd6 5. Ngf3 Bxf4 6. exf4 Qd6 7. g3 O-O 8. Bd3 b6 9. O-O Ba6 10. Bxa6 Nxa6 11. Qe2 Nb8 12. c3 c5 13. Rfe1 Nbd7 14. Kg2 cxd4 15. Nxd4 a6 16. N2f3 Nc5 17. Ne5 b5 18. a3 Rac8 19. Rad1 Nce4 20. Qe3 Rfd8 21. f3 Nc5 22. f5 Rf8 23. Nd3 e5 24. Qxe5 Qxe5 25. Rxe5 Nxd3 26. Rxd3 Rfd8 27. Rde3 Kf8 28. Kf2 Ne8 29. Nb3 f6 30. Re6 Nd6 31. Nd4 a5 32. Rd3 Kf7 33. Re2 Rc5 34. Ne6 Re8 35. Nxc5 Rxe2+ 36. Kxe2 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.03"]
[Round "1"]
[White "Croes, Octavio"]
[Black "Viafara, Hernan"]
[Result "0-1"]
[ECO "E18"]
[PlyCount "94"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d6 8. Qc2 Nbd7 9. Rd1 c5 10. e3 Rc8 11. b3 a6 12. e4 cxd4 13. Nxd4 Qc7 14. Qe2 Rfe8 15. Bb2 Bf8 16. Rac1 Nc5 17. b4 Ncd7 18. Na4 e5 19. Nf5 g6 20. Ne3 Qb8 21. Qd3 Rc6 22. Nc3 Rcc8 23. Ncd5 Nxd5 24. Nxd5 Bxd5 25. Qxd5 Nf6 26. Qd3 Rc6 27. b5 axb5 28. cxb5 Rxc1 29. Rxc1 Qa8 30. Qc4 Nd7 31. Bh3 Nc5 32. f3 Qa5 33. Bc3 Qa3 34. Rc2 Bh6 35. Kf2 Ra8 36. Bd2 Bf8 37. Bb4 Nd3+ 38. Ke3 Nxb4+ 39. Rc3 Bh6+ 40. f4 exf4+ 41. gxf4 Qa5 42. a3 Na2 43. Rd3 Qe1+ 44. Kf3 Nc1 45. Re3 Qd1+ 46. Kg3 Qg1+ 47. Bg2 Qxe3+ 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.03"]
[Round "1"]
[White "Antonio, Kyell"]
[Black "Pesqueira, Jose"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "41"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 a6 5. d4 Nf6 6. h3 Bf5 7. Bc4 e6 8. O-O b5 9. Bd3 Bxd3 10. Qxd3 Be7 11. Ne5 O-O 12. Bf4 Qb6 13. Rad1 Nc6 14. Nxc6 Qxc6 15. Rfe1 Rad8 16. Be5 Rd7 17. Ne4 Nxe4 18. Qxe4 Qxe4 19. Rxe4 c5 20. Rd3 Rfd8 21. dxc5 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.03"]
[Round "1"]
[White "Dirck, Ayden"]
[Black "Diaz, Daniel"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "21"]
[SourceVersionDate "2023.11.04"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 h6 5. Nc3 exd4 6. Qxd4 Qf6 7. Nd5 Qd8 8. e5 c6 9. O-O dxe5 10. Nxe5 Bc5 11. Qf4 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.03"]
[Round "1"]
[White "De Mey, Juan P"]
[Black "Chaudron, Erick"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "117"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bd3 Qb6 8. O-O Be7 9. Rb1 cxd4 10. cxd4 O-O 11. a3 f6 12. Qe2 Qc7 13. Re1 a6 14. b4 f5 15. Bb2 Qd8 16. Kh1 Qe8 17. Nf1 Kh8 18. N3d2 Bd8 19. f4 Rg8 20. Nf3 g5 21. fxg5 Bxg5 22. Nxg5 Rxg5 23. Nd2 Nf8 24. Nf3 Rg4 25. h3 Qh5 26. Bc1 Rg8 27. Qf2 h6 28. Be2 Qg6 29. Rg1 Qg3 30. Qxg3 Rxg3 31. Bxh6 Bd7 32. Rbd1 Rg6 33. Bg5 Nh7 34. Bf4 Rc8 35. Rc1 Rgg8 36. Kh2 Na7 37. Rxc8 Rxc8 38. Rc1 Rxc1 39. Bxc1 Nb5 40. g4 fxg4 41. hxg4 Nc3 42. Bd3 Kg7 43. Kg3 Nf8 44. Bg5 Nb5 45. Bf6+ Kg8 46. Bxb5 Bxb5 47. Nh4 Kh7 48. g5 Ng6 49. Nf3 Kg8 50. Nd2 Kf7 51. Nb3 Nf8 52. Nc5 Bc6 53. Kg4 Nd7 54. Nd3 Nf8 55. Kh5 Ng6 56. Nc5 Nf8 57. Kh6 Ng6 58. Nxe6 Nxe5 59. Nd8+ 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "2"]
[White "Leal, Jose"]
[Black "Chaudron, Erik"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "62"]
[SourceVersionDate "2023.11.04"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Ne7 6. Nc3 c6 7. b3 O-O 8. O-O Bf5 9. a4 a5 10. Ba3 Bxa3 11. Rxa3 Qd6 12. Nb1 Nd7 13. c4 b6 14. Re1 Bxd3 15. Qxd3 Ng6 16. Ra2 Rfe8 17. Rae2 Rxe2 18. Rxe2 Nf4 19. Qc2 Nxe2+ 20. Qxe2 Kf8 21. Qd3 Qg6 22. Qd1 Re8 23. Nc3 Qe6 24. Kf1 dxc4 25. Ng5 Qg6 26. h4 h6 27. Nf3 cxb3 28. Ne1 Qd6 29. g3 Qb4 30. Qf3 Qc4+ 31. Ne2 Qxe2+ 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "2"]
[White "Diaz, Daniel"]
[Black "De Mey, Juan Pablo"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "80"]
[SourceVersionDate "2023.11.04"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. d3 Bg7 5. f4 e6 6. Nf3 a6 7. Be2 Nge7 8. O-O d6 9. Qe1 O-O 10. Ng5 Nd4 11. Rb1 h6 12. Nf3 Nec6 13. Be3 Nc2 14. Qd2 Nxe3 15. Qxe3 Qc7 16. Kh1 b6 17. Qf2 Nd4 18. Nxd4 cxd4 19. Nd1 Bd7 20. Qg3 Kh7 21. Bf3 Rab8 22. Nf2 b5 23. b3 Qa5 24. h4 bxc4 25. bxc4 Qa3 26. h5 a5 27. hxg6+ fxg6 28. Rxb8 Rxb8 29. e5 Qxa2 30. Be4 Be8 31. exd6 Rb1 32. Rxb1 Qxb1+ 33. Kh2 Qb4 34. d7 Bxd7 35. Qxg6+ Kg8 36. Ng4 Qe7 37. Nxh6+ Kf8 38. Ng4 Be8 39. Qh7 a4 40. g3 Qf7 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "2"]
[White "Pesqueira, Jose"]
[Black "Dirk, Ayden"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "40"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. h3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Nbd7 10. O-O-O Re8 11. Nb5 Nxe4 12. Nxc7 Nxf2 13. Nxe8 Nxh1 14. Nxg7 Kxg7 15. Bh4 e4 16. Nd4 e3 17. Re1 Nc5 18. Rxe3 f5 19. Re7+ Kh6 20. Nf3 Ne4 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "2"]
[White "Viafara, Hernan"]
[Black "Antonio, Kyell"]
[Result "1-0"]
[ECO "D51"]
[PlyCount "61"]
[SourceVersionDate "2023.11.04"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Nbd7 6. a3 Be7 7. cxd5 exd5 8. e3 O-O 9. Bd3 h6 10. Bh4 Re8 11. O-O Nf8 12. h3 g5 13. Bg3 Bd6 14. Bxd6 Qxd6 15. Rc1 Ne4 16. Bb1 f5 17. Nd2 Ng6 18. Ndxe4 fxe4 19. Qh5 Re7 20. Qxh6 Rh7 21. Qxg5 Rg7 22. Kh1 Ne7 23. Qe5 Qh6 24. f3 Nf5 25. fxe4 Ng3+ 26. Kh2 Qg6 27. Rf2 Bxh3 28. gxh3 Nf1+ 29. Rcxf1 Re8 30. Qf4 dxe4 31. Bxe4 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "2"]
[White "Villalba, Paul"]
[Black "Croes, Octavio"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "47"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nd2 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qc2 g6 8. e4 Nxe4 9. Nxe4 dxe4 10. Bxc4 Bg7 11. Be3 Qc7 12. Qxe4 Bf5 13. Qf3 Nxd4 14. Bxf7+ Kxf7 15. Bxd4 e5 16. Be3 e4 17. Qd1 Rhd8 18. Qc2 b5 19. Ne2 a5 20. O-O Rac8 21. h3 Qc4 22. Rfd1 Rxd1+ 23. Qxd1 Bf6 24. Nd4 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "3"]
[White "Croes, Octavio"]
[Black "Leal, Jose"]
[Result "1-0"]
[ECO "E73"]
[PlyCount "87"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 c6 6. Bg5 Qa5 7. Qd2 Qb6 8. Nf3 Nbd7 9. O-O e5 10. dxe5 dxe5 11. Be3 Qc7 12. h3 O-O 13. Rfd1 b6 14. Qd6 Qb7 15. Rac1 Ne8 16. Qd2 Nc7 17. b4 Re8 18. c5 b5 19. a3 Nf6 20. Bh6 Bd7 21. Bxg7 Kxg7 22. Qe3 Rad8 23. Rd6 h6 24. Rcd1 Re7 25. Nd2 Ne6 26. Nb3 Qc8 27. Na5 Nd4 28. R1xd4 exd4 29. Qxd4 Re6 30. f4 Rxd6 31. cxd6 a6 32. e5 Be8 33. exf6+ Kg8 34. Bg4 Bd7 35. Bf3 Qa8 36. Qc5 Rc8 37. Ne2 Kh7 38. Nd4 Rg8 39. Naxc6 Qe8 40. Qe5 Qc8 41. Qe7 Rf8 42. Bd5 Kg8 43. Qe3 Re8 44. Ne7+ 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "3"]
[White "Antonio, Kyell"]
[Black "Villalba, Paul"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "42"]
[SourceVersionDate "2023.11.04"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 Nf6 6. Ngf3 Be7 7. O-O b6 8. Re1 Bb7 9. e5 Nd7 10. Nf1 Qc7 11. Bf4 O-O-O 12. c3 h6 13. h4 Rdg8 14. Qd2 g5 15. hxg5 hxg5 16. Nxg5 Bxg5 17. Bxg5 Ncxe5 18. Bf4 d4 19. f3 Qd6 20. Kf2 dxc3 21. bxc3 Qd5 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "3"]
[White "Dirks, Ayden"]
[Black "Viafara, Hernan"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "58"]
[SourceVersionDate "2023.11.04"]

1. d4 e6 2. Bf4 Nf6 3. e3 Nc6 4. Nf3 b6 5. c3 Be7 6. Bd3 Bb7 7. e4 d6 8. Nbd2 O-O 9. Qe2 Re8 10. g4 Bf8 11. e5 dxe5 12. dxe5 Nd7 13. Ng5 g6 14. Ndf3 Bg7 15. O-O-O Qe7 16. Bb5 a6 17. Bxc6 Bxc6 18. Ne4 Nc5 19. Bg5 Qf8 20. Nf6+ Bxf6 21. Bxf6 Nd7 22. Rxd7 Bxd7 23. Ng5 Bc6 24. f3 Bd5 25. Qf2 Qh6 26. Rg1 Bxa2 27. Rg3 Bb3 28. Qd4 Qxh2 29. Rh3 Qc2# 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "3"]
[White "De Mey, Juan P"]
[Black "Pesqueira, Jose"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "43"]
[SourceVersionDate "2023.11.04"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Be7 8. O-O O-O 9. Bg5 h6 10. Bh4 c5 11. dxc5 Bxc5 12. Qe2 Be7 13. Rfe1 Qa5 14. c3 Qh5 15. Bg3 Bd7 16. Ne5 Qxe2 17. Bxe2 Rad8 18. Nxd7 Rxd7 19. Rad1 Rfd8 20. Rxd7 Rxd7 21. Rd1 Rxd1+ 22. Bxd1 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.04"]
[Round "3"]
[White "Chaudron, Erik"]
[Black "Diaz, Daniel"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "53"]
[SourceVersionDate "2023.11.04"]

1. Nf3 d5 2. g3 e6 3. Bg2 f5 4. d3 Nf6 5. O-O Be7 6. b3 O-O 7. Bb2 Bd7 8. c4 c6 9. Nbd2 Bd6 10. Ne5 Be8 11. Ndf3 Nbd7 12. d4 Bxe5 13. dxe5 Ne4 14. Ba3 Rf7 15. cxd5 cxd5 16. Rc1 Nb6 17. Nd4 Bd7 18. f3 Ng5 19. h4 h5 20. hxg5 Qxg5 21. Kf2 f4 22. gxf4 Qxf4 23. Bd6 h4 24. Rh1 g5 25. e3 Qg3+ 26. Kf1 Nc8 27. Rh3 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "4"]
[White "Leal, Jose"]
[Black "Diaz, Daniel"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "77"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 d5 2. h3 e6 3. g4 Bd6 4. Nc3 h6 5. Nb5 Nc6 6. Bg2 Nf6 7. Nxd6+ Qxd6 8. b3 Qb4+ 9. Qd2 Qxd4 10. c3 Qb6 11. Ba3 Bd7 12. Nf3 Ne4 13. Qe3 Qxe3 14. fxe3 Nxc3 15. Bb2 Nb5 16. Bxg7 Rg8 17. Bxh6 O-O-O 18. Bg5 Rde8 19. Bf6 e5 20. Rc1 e4 21. Nd4 Nbxd4 22. exd4 Re6 23. g5 Ne7 24. h4 Nf5 25. Bh3 Rb6 26. h5 Kb8 27. Bxf5 Bxf5 28. Rf1 Bh3 29. Rh1 Bf5 30. e3 Rc8 31. Kd2 a5 32. Rhf1 Bh7 33. Be7 Re8 34. Rxf7 Bg8 35. Rg7 a4 36. b4 Re6 37. Bf6 Rc6 38. h6 Be6 39. h7 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "4"]
[White "Pesqueira, Jose"]
[Black "Chaudron, Erik"]
[Result "1/2-1/2"]
[ECO "B11"]
[PlyCount "43"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 Nf6 7. h4 h6 8. Ne5 Qd4 9. Qe2 Nbd7 10. Nxg6 fxg6 11. c3 Qe5 12. d4 Qxe2+ 13. Nxe2 e5 14. Bd2 exd4 15. Nxd4 Ne5 16. Be2 O-O-O 17. f3 Re8 18. Kd1 Bd6 19. Kc2 Rhf8 20. Rae1 Nh5 21. Bd3 Nxd3 22. Kxd3 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "4"]
[White "Viafara, Hernan"]
[Black "De Mey, Juan P."]
[Result "0-1"]
[ECO "D00"]
[PlyCount "78"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Nc3 d5 3. Nf3 Bf5 4. Bf4 c6 5. e3 Nbd7 6. h3 Ne4 7. Nxe4 dxe4 8. Nd2 Nf6 9. g4 Bg6 10. Bg2 Qa5 11. c3 O-O-O 12. O-O h5 13. b4 Qa3 14. Qb3 Qxb3 15. axb3 hxg4 16. hxg4 a6 17. Nc4 Nd5 18. Bg3 f6 19. Rfc1 e6 20. Nd2 f5 21. gxf5 exf5 22. Nc4 Be7 23. Ra5 Rh5 24. Rxd5 Rxd5 25. Nb6+ Kd8 26. Nxd5 cxd5 27. c4 dxc4 28. bxc4 Bxb4 29. Rb1 a5 30. Be5 Rh7 31. f3 f4 32. Bxf4 exf3 33. Bxf3 Bxb1 34. Bxb7 a4 35. c5 a3 36. c6 g5 37. Bxg5+ Kc7 38. Bf4+ Bd6 39. Bxd6+ Kxd6 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "4"]
[White "Villalba, Paul"]
[Black "Dirks, Ayden"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "100"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 f6 6. Bd3 e5 7. Qh5+ g6 8. Bxg6+ hxg6 9. Qxh8 exf4 10. Qxg8 Qe7+ 11. Ne2 Bf5 12. Qxd5 Bd3 13. Qf3 Be4 14. Qxf4 O-O-O 15. Nd2 Bf5 16. Nc4 Qf7 17. Ne3 Bd6 18. Qf3 Bd7 19. h3 f5 20. b3 Kb8 21. Nc4 Bc7 22. O-O-O Be6 23. Nd2 g5 24. Kb2 a5 25. Rhe1 a4 26. Nc1 Bd5 27. Qd3 Qf6 28. f3 Bb6 29. Ne2 Bg8 30. Nc4 Ba7 31. Ne3 Bh7 32. Qc4 f4 33. Ng4 Qf5 34. Rd2 axb3 35. axb3 Bg8 36. Qd3 Qf7 37. Qb5 Rd5 38. Qc4 Qe7 39. Red1 Rd8 40. Qa4 Rd5 41. Ne5 Nxe5 42. dxe5 Qxe5 43. Nd4 Bxd4 44. Rxd4 Qe2+ 45. R1d2 Qxd2+ 46. Rxd2 Rxd2+ 47. Kc1 Rd8 48. c4 Bf7 49. Qb5 Rd3 50. Qxg5 Rxb3 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "4"]
[White "Croes, Octavio"]
[Black "Antonio, Kyell"]
[Result "0-1"]
[ECO "E01"]
[PlyCount "73"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 h6 5. Bg2 Bd6 6. O-O O-O 7. Nbd2 b6 8. Ne5 c5 9. cxd5 exd5 10. Ndc4 Bb7 11. Nxd6 Qxd6 12. Nc4 Qe7 13. Ne3 Rd8 14. b3 cxd4 15. Nf5 Qc5 16. Bb2 Nc6 17. Rc1 Qa5 18. Rxc6 Qxa2 19. Rxf6 Qxb2 20. Rd6 Kf8 21. Rxd8+ Rxd8 22. Qxd4 Qxd4 23. Nxd4 Ba6 24. Re1 Rc8 25. e3 Bb7 26. Rd1 a6 27. Nf5 Rc5 28. e4 g6 29. Nd6 Bc6 30. exd5 Bd7 31. Ne4 Rb5 32. Nf6 Ke7 33. Nxd7 Kxd7 34. d6 Rxb3 35. Bc6+ Kd8 36. Re1 a5 37. Re8# 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "5"]
[White "Antonio, Kyell"]
[Black "Leal, Jose"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "112"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O O-O 7. b4 Bb6 8. a4 a5 9. b5 Ne7 10. Qb3 c6 11. bxc6 bxc6 12. Ba3 Rb8 13. Qc2 Ng6 14. Nbd2 Nh5 15. d4 exd4 16. cxd4 Re8 17. Ba2 Bb7 18. Rab1 Bc7 19. Rfe1 Nhf4 20. Qc4 d5 21. exd5 Rxe1+ 22. Rxe1 cxd5 23. Qc2 Rc8 24. Qf5 Rb8 25. g3 Bc8 26. Qc2 Ne6 27. Nf1 Bb7 28. Ne3 Qf6 29. Qd1 h5 30. Nxd5 Bxd5 31. Bxd5 Rd8 32. Bxe6 fxe6 33. Qe2 Re8 34. Bb2 h4 35. d5 e5 36. Qe4 Bb6 37. Re2 hxg3 38. hxg3 Rf8 39. Kg2 Bc7 40. Ba3 Rf7 41. Bc1 Bd8 42. Nxe5 Nxe5 43. Qxe5 Qf3+ 44. Kg1 Re7 45. Qxe7 Bxe7 46. Rxe7 Qxd5 47. Bb2 g5 48. Re5 Qd1+ 49. Kg2 g4 50. Rxa5 Qf3+ 51. Kg1 Qe2 52. Rb5 Qd1+ 53. Kg2 Qxa4 54. Rg5+ Kf7 55. Be5 Qc6+ 56. Kh2 Qh6+ 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "5"]
[White "Dirks, Ayden"]
[Black "Croes, Octavio"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "61"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nd2 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qc2 g6 8. e4 Nxe4 9. Nxe4 dxe4 10. Bxc4 Bg7 11. Be3 Qc7 12. O-O-O O-O 13. f4 exf3 14. Nxf3 Bf5 15. Bd3 Bxd3 16. Rxd3 Rac8 17. Rd2 Qa5 18. Qb3 Nb4 19. Kb1 Nd5 20. Rd3 Nxe3 21. Rxe3 e6 22. Ne5 Qc7 23. Rf1 a6 24. h4 Qe7 25. g3 h5 26. Nd3 Bh6 27. Ref3 b5 28. Ne5 Qd6 29. Nxf7 Rxf7 30. Rxf7 Qxg3 31. Qxe6 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "5"]
[White "De Mey, Juan P."]
[Black "Villalba, Paul"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "46"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. O-O cxd4 9. Nxd4 Bd6 10. Nb5 Bb8 11. Qe2 a6 12. Nc3 Bd7 13. Be3 O-O 14. Rad1 Qc7 15. f4 Bc6 16. Kh1 Ba7 17. Bxa7 Rxa7 18. f5 Re8 19. Qf2 Raa8 20. Qh4 h6 21. fxe6 Rxe6 22. Rf2 Rae8 23. Rdf1 Qe7 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "5"]
[White "Chaudron, Erik"]
[Black "Viafara, Hernan"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "79"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. Nf3 e6 2. c4 Nc6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d6 7. Bb2 Re8 8. d3 Bf8 9. Nbd2 g6 10. a3 Bg7 11. Qc2 Bd7 12. h3 Qc8 13. e4 e5 14. Kh2 Nh5 15. Nh4 Bf6 16. Nhf3 Bg7 17. Nh4 Ne7 18. f4 exf4 19. gxf4 Bxb2 20. Qxb2 c6 21. Qd4 Qc7 22. Qf2 f5 23. Rae1 Rf8 24. e5 dxe5 25. Rxe5 Rae8 26. Rfe1 Bc8 27. d4 Qd7 28. Qe3 Rf7 29. d5 Kf8 30. Nhf3 cxd5 31. cxd5 Nf6 32. Ng5 Nfxd5 33. Bxd5 Nxd5 34. Rxe8+ Kg7 35. Qd4+ Nf6 36. Qc3 Qc7 37. Qxc7 Rxc7 38. R8e7+ Rxe7 39. Rxe7+ Kf8 40. Rf7+ 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.05"]
[Round "5"]
[White "Diaz, Daniel"]
[Black "Pesqueira, Jose"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "42"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 g6 2. Nf3 Bg7 3. e3 d6 4. h3 c6 5. Nc3 Nd7 6. Be2 e5 7. O-O Ngf6 8. dxe5 dxe5 9. e4 Qe7 10. Bd3 O-O 11. Bg5 h6 12. Bxf6 Bxf6 13. Nh2 Nc5 14. Ng4 Bg7 15. f4 Nxd3 16. cxd3 exf4 17. Rxf4 h5 18. Nh2 Bxh3 19. Rf3 Be6 20. d4 Rad8 21. Ne2 Bc4 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.10"]
[Round "6"]
[White "Leal, Jose"]
[Black "Pesqueira, Jose"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "86"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Bd3 g6 6. b3 Bg7 7. Bb2 d6 8. Nf3 Qa5+ 9. Nc3 Nxe4 10. Bxe4 Bxc3+ 11. Bxc3 Qxc3+ 12. Nd2 f5 13. Bd3 Qe5+ 14. Be2 Nd4 15. c3 Nxe2 16. Qxe2 Qxe2+ 17. Kxe2 Bd7 18. f3 Kf7 19. Rhe1 h5 20. h3 g5 21. Rg1 Rac8 22. Rac1 Rh6 23. Kd3 Rc5 24. a4 d5 25. Kd4 b6 26. Rge1 Re6 27. Nf1 f4 28. Re5 Kf6 29. Rxd5 Rxd5+ 30. Kxd5 Re2 31. g4 hxg4 32. fxg4 Be6+ 33. Kd4 Bxb3 34. Kd3 Ra2 35. Nd2 Bxa4 36. Ne4+ Kg6 37. Nd2 Bc6 38. Rb1 Ra5 39. Nc4 Rd5+ 40. Ke2 Bb5 41. Rb4 Rc5 42. Rxb5 Rxb5 43. Kf3 Rc5 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.10"]
[Round "6"]
[White "Viafara, Hernan"]
[Black "Diaz, Daniel"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "62"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Nf3 h6 6. Bf4 c6 7. a3 Bd6 8. Bxd6 Qxd6 9. e3 Bg4 10. Qb3 b6 11. Ne5 Nbd7 12. Nxg4 Nxg4 13. h3 Ngf6 14. Bd3 Qe6 15. O-O O-O 16. Rac1 c5 17. dxc5 Nxc5 18. Qc2 Nxd3 19. Qxd3 Rac8 20. Rfd1 Rfd8 21. Nb5 Rxc1 22. Rxc1 Ne4 23. Nxa7 Qf6 24. Qc2 g6 25. Nc6 Re8 26. Rd1 Nxf2 27. Rxd5 Nxh3+ 28. gxh3 Rxe3 29. Qg2 Re1+ 30. Kh2 Qf4+ 31. Qg3 Re2+ 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.10"]
[Round "6"]
[White "Villalba, Paul"]
[Black "Chaudron, Erik"]
[Result "1/2-1/2"]
[ECO "A47"]
[PlyCount "39"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Bd3 Be7 6. h3 c5 7. c3 d6 8. Nbd2 Nbd7 9. Qe2 Rc8 10. O-O O-O 11. Rfe1 Re8 12. a4 Nf8 13. Bh2 Ng6 14. Bb5 Bc6 15. Bxc6 Rxc6 16. Qd3 Qc8 17. Ne4 Nxe4 18. Qxe4 a6 19. Qc2 d5 20. e4 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.10"]
[Round "6"]
[White "Croes, Octavio"]
[Black "De Mey, Juan P"]
[Result "0-1"]
[ECO "A69"]
[PlyCount "54"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f4 Nc7 12. a4 Rb8 13. a5 b5 14. axb6 axb6 15. Qb3 Bd7 16. Nf3 Nxe4 17. Nxe4 Rxe4 18. Bd3 Re8 19. f5 b5 20. fxg6 hxg6 21. Bg5 Bf6 22. Bxf6 Qxf6 23. Rae1 c4 24. Bxc4 bxc4 25. Qxc4 Qd8 26. Rxe8+ Bxe8 27. Qe2 Nxd5 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.10"]
[Round "6"]
[White "Antonio, Kyell"]
[Black "Dirks, Ayden"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "60"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. d3 Nge7 7. Re1 O-O 8. c3 d5 9. e5 Rb8 10. Bf4 Bd7 11. g4 b5 12. Nbd2 c4 13. Qe2 cxd3 14. Qxd3 Na5 15. Bg5 Re8 16. Bf6 Qc7 17. Ng5 Bxf6 18. exf6 Qf4 19. Nxh7 Kxh7 20. Qh3+ Kg8 21. Qh4 Nf5 22. Qh3 Nh6 23. Qh4 e5 24. Ne4 Nxg4 25. Bh3 Qxh2+ 26. Kf1 Qh1+ 27. Ke2 Qxe4+ 28. Kd1 Qd3+ 29. Kc1 Bf5 30. Bxg4 Qc2# 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "7"]
[White "Dirks, Ayden"]
[Black "Leal, Jose"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "71"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bg3 Bxg3 6. hxg3 b6 7. Bd3 h6 8. Nbd2 Ba6 9. Qe2 Bxd3 10. Qxd3 Rf8 11. O-O Nc6 12. c4 Ne7 13. Ne5 Qd6 14. cxd5 Nfxd5 15. Ne4 Qd8 16. Rfc1 a6 17. Qa3 b5 18. Rc2 f6 19. Nd3 Kf7 20. Nec5 Qc8 21. e4 Nb6 22. Nf4 Nc4 23. Rxc4 bxc4 24. Nfxe6 Re8 25. d5 Ng6 26. Qf3 c6 27. Qh5 cxd5 28. exd5 Rxe6 29. dxe6+ Kg8 30. Qxg6 Qxc5 31. Qf7+ Kh7 32. Rd1 Qf8 33. Qb7 Qc8 34. Qe4+ Kh8 35. e7 Qe8 36. Qxa8 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "7"]
[White "De Mey, Juan P"]
[Black "Antonio, Kyell"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "100"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. a4 Rb8 8. axb5 axb5 9. O-O O-O 10. Bg5 h6 11. Bh4 d6 12. h3 Be6 13. Nbd2 Bb6 14. c3 Bxb3 15. Nxb3 Re8 16. Kh2 g5 17. Bg3 Ra8 18. Qe2 Qd7 19. Nbd2 Ra4 20. Rxa4 bxa4 21. Nc4 Rb8 22. Ra1 Na5 23. Nxa5 Bxa5 24. Qc2 c5 25. Qxa4 Qxa4 26. Rxa4 Bc7 27. b4 cxb4 28. cxb4 Kf8 29. Nd2 d5 30. Nf3 dxe4 31. dxe4 Nxe4 32. Bxe5 Bxe5+ 33. Nxe5 Rb7 34. f3 Nc3 35. Ra8+ Ke7 36. Nd3 Nd5 37. Ra4 Kd6 38. Ra6+ Ke7 39. Rxh6 Nxb4 40. Ne5 Rb5 41. Nc6+ Nxc6 42. Rxc6 Rb4 43. Kg3 f6 44. Rc7+ Ke6 45. Rh7 Kf5 46. h4 Kg6 47. Rh8 Kg7 48. Rh5 Kg6 49. Rh8 Kg7 50. Rh5 Kg6 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "7"]
[White "Chaudron, Erick"]
[Black "Croes, Octavio"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "76"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. Nf3 b6 2. g3 Bb7 3. Bg2 e6 4. c4 Nf6 5. O-O Be7 6. b3 O-O 7. Bb2 d6 8. d3 c5 9. Na3 Nc6 10. Nc2 d5 11. Ne5 Qc7 12. Nxc6 Bxc6 13. cxd5 Nxd5 14. e4 Nf6 15. Qe2 Rfd8 16. Ne3 b5 17. Rac1 Qb6 18. Rfd1 Rac8 19. Ng4 Nxg4 20. Qxg4 Bf8 21. h4 Qb7 22. h5 f5 23. Qh3 Qf7 24. f4 h6 25. Bf3 Kh7 26. Qg2 Qb7 27. Qe2 Rd7 28. Kf2 Rcd8 29. exf5 Bxf3 30. Qxf3 Qxf3+ 31. Kxf3 exf5 32. Ke2 Re8+ 33. Kf2 Rde7 34. Re1 Rxe1 35. Rxe1 Rxe1 36. Kxe1 g6 37. hxg6+ Kxg6 38. Ke2 Bd6 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "7"]
[White "Diaz, Daniel"]
[Black "Villalba, Paul"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "134"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 Nf6 5. Nf3 Bd6 6. h3 O-O 7. Bd3 Re8+ 8. Be3 Bf4 9. O-O Bxe3 10. fxe3 Rxe3 11. Re1 Rxe1+ 12. Qxe1 c6 13. Qg3 h6 14. Rf1 Be6 15. Ne2 Nbd7 16. Nf4 Qc7 17. Qh4 Re8 18. Re1 Qd6 19. Nh5 Nxh5 20. Qxh5 Nf6 21. Qh4 Bd7 22. Rxe8+ Bxe8 23. Ne5 Nd7 24. Nf3 Nf8 25. Qe1 Bd7 26. Kh1 Qf4 27. Qe2 Qc1+ 28. Kh2 Qxb2 29. Qe5 Qb4 30. Qc7 Be6 31. Qf4 Qe7 32. Ne5 a6 33. Be2 Nd7 34. Nxd7 Qxd7 35. Qb8+ Kh7 36. Bd3+ g6 37. Qf8 Qc8 38. Qb4 Kg7 39. Qd2 Bf5 40. Be2 Qe6 41. c3 Be4 42. Bg4 Qd6+ 43. Kg1 f5 44. Be2 Qg3 45. Bf1 f4 46. Qb2 b5 47. Qa3 Qe3+ 48. Kh2 Bf5 49. Qxa6 Qxc3 50. Qb7+ Kf6 51. Qc7 Qg3+ 52. Kg1 Qe3+ 53. Kh2 Qe6 54. Qxf4 g5 55. Qb8 Kg7 56. Qc7+ Qd7 57. Qe5+ Kg6 58. Be2 Qf7 59. Qg3 Qe6 60. Qf3 Qe4 61. Qh5+ Kg7 62. Bf1 Qf4+ 63. Kg1 Qxd4+ 64. Kh2 Qf4+ 65. Kg1 Qe5 66. Kf2 Bg6 67. Qd1 d4 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "7"]
[White "Pesqueira, Jose"]
[Black "Viafara, Hernan"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "108"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.11.04"]

1. c4 Nf6 2. Nc3 e6 3. g3 c6 4. Bg2 d5 5. b3 g6 6. d4 Bg7 7. Bb2 Qa5 8. Qd2 O-O 9. Nf3 dxc4 10. bxc4 Qb4 11. Ne5 Nbd7 12. a3 Qb3 13. c5 Nxe5 14. dxe5 Nd7 15. f4 Nxc5 16. O-O Qb6 17. Qe3 Na4 18. Qxb6 Nxb6 19. Ne4 Nd5 20. Rf3 b6 21. Rc1 c5 22. Nd6 Ba6 23. e4 Ne7 24. f5 exf5 25. exf5 Bh6 26. Re1 Nxf5 27. Rxf5 gxf5 28. Nxf5 Bg5 29. h4 Bd2 30. Rd1 Rad8 31. e6 fxe6 32. Rxd2 exf5 33. Bd5+ Rxd5 34. Rxd5 h5 35. Rd7 Re8 36. Bf6 Re3 37. Kf2 Rxa3 38. Rg7+ Kf8 39. Rxa7 Ra2+ 40. Ke3 Bc4 41. Rb7 Re2+ 42. Kf4 b5 43. Rc7 Re4+ 44. Kxf5 Bd3 45. Kg5 Be2 46. Rxc5 Rg4+ 47. Kf5 Rxg3 48. Ke6 Re3+ 49. Be5 Bc4+ 50. Kf6 Rf3+ 51. Kg6 Be2 52. Bd6+ Ke8 53. Re5+ Kd7 54. Rxe2 Kxd6 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "8"]
[White "Leal, Jose"]
[Black "Viafara, Hernan"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "118"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 d6 2. Nf3 e5 3. Bc4 Nf6 4. d3 Be7 5. Bb3 Bg4 6. Nbd2 Nbd7 7. Nf1 Nc5 8. c3 Nxb3 9. axb3 h6 10. h3 Bh5 11. Ng3 Bg6 12. Nh4 a6 13. Nhf5 Bf8 14. Be3 Qd7 15. c4 Qc6 16. b4 b6 17. Bd2 Bxf5 18. Nxf5 g6 19. Ng3 Bg7 20. Qf3 Ke7 21. O-O b5 22. Rfc1 Rhc8 23. b3 Qb7 24. Bc3 c6 25. Ne2 Qd7 26. Re1 Qe6 27. Rad1 Nd7 28. d4 Kf8 29. Qg3 Nb6 30. d5 cxd5 31. cxd5 Qe7 32. f4 exf4 33. Bxg7+ Kxg7 34. Qxf4 Rc2 35. Nd4 Rc7 36. Qg4 Kh7 37. Rf1 Qg5 38. Qf3 h5 39. Qf2 Nc8 40. Nf3 Qf6 41. h4 Kg7 42. Rd3 Raa7 43. Qd2 Qe7 44. Ng5 Qe5 45. Rdf3 Qe8 46. Qd4+ Kg8 47. Rf6 Qd8 48. Qe3 Qe8 49. Nh3 Re7 50. Qh6 Rxe4 51. Ng5 Re2 52. Rxg6+ fxg6 53. Ne6 Rxe6 54. dxe6 Rh7 55. Qc1 Re7 56. Rf6 Rxe6 57. Rf1 Re2 58. Kh1 d5 59. Qd1 Qe4 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "8"]
[White "Villalba, Paul"]
[Black "Pesqueira, Jose"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "22"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Bf4 c5 3. e3 cxd4 4. exd4 Qb6 5. Nc3 Nc6 6. Nf3 e6 7. Nb5 Nd5 8. Bg3 a6 9. c4 axb5 10. cxd5 exd5 11. Qe2+ Kd8 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "8"]
[White "Croes, Octavio"]
[Black "Diaz, Daniel"]
[Result "0-1"]
[ECO "A94"]
[PlyCount "91"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. d4 d5 2. c4 e6 3. Nf3 f5 4. g3 Nf6 5. Bg2 c6 6. O-O Bd6 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Nbd7 10. Nc2 Ne4 11. Qd3 Kh8 12. c5 b6 13. b4 Bb7 14. Rfc1 Qc8 15. a4 bxc5 16. bxc5 Ba6 17. Qe3 Qc7 18. Nb4 Bc4 19. Nd2 Nxd2 20. Qxd2 a5 21. Nc2 Nf6 22. f3 Rfb8 23. Na3 Ba6 24. Rab1 e5 25. e3 e4 26. f4 Bd3 27. Nc2 Ng4 28. Rxb8+ Rxb8 29. Ne1 Bc4 30. Bh3 Nf6 31. Bf1 Bxf1 32. Kxf1 h6 33. Qc2 Qf7 34. Rb1 Rxb1 35. Qxb1 Qh5 36. h4 Ng4 37. Qc1 Nh2+ 38. Kf2 Qg4 39. Qd2 Qh3 40. Kg1 Qxg3+ 41. Qg2 Qxe1+ 42. Kxh2 Qxe3 43. Qg6 Qxf4+ 44. Kh3 Qg4+ 45. Qxg4 fxg4+ 46. Kxg4 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "8"]
[White "Antonio, Kyell"]
[Black "Chaudron, Erick"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "47"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. O-O O-O 8. Re1 Ng6 9. h4 Qc7 10. Nf1 dxe4 11. Rxe4 Bd7 12. h5 Nge5 13. h6 g6 14. N1h2 f5 15. Re1 Nxf3+ 16. Nxf3 Rae8 17. c3 e5 18. Ng5 Ne7 19. Qb3+ c4 20. dxc4 Bc5 21. Qxb7 Qxb7 22. Bxb7 Rb8 23. Rxe5 Bxf2+ 24. Kxf2 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.11"]
[Round "8"]
[White "Dirks, Ayden"]
[Black "De Mey, Juan P"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "48"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 O-O 8. f3 Nc6 9. Qd2 Bd7 10. O-O Ne5 11. Bb3 Re8 12. h3 Rc8 13. f4 Nc4 14. Bxc4 Rxc4 15. e5 Nh5 16. g4 dxe5 17. fxe5 Bxe5 18. gxh5 Bxh3 19. Qf2 f6 20. Rad1 Qc8 21. Nde2 Qg4+ 22. Kh1 Qxh5 23. Nf4 Bxf4 24. Qxf4 Bxf1+ 0-1

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.12"]
[Round "9"]
[White "Pesqueira, Jose"]
[Black "Croes, Octavio"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "27"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nc3 a6 5. dxc5 Qa5 6. Nf3 Qxc5 7. Bd3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Bxg6 hxg6 11. g5 Nh5 12. Qxd5 Qb4 13. O-O-O Qb6 14. Bxb8 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.12"]
[Round "9"]
[White "Viafara, Hernan"]
[Black "Villalba, Paul"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "42"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nf3 c6 5. Bg5 Be7 6. Bxe7 Qxe7 7. e3 Nf6 8. Nc3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. O-O O-O 12. Rac1 Rfe8 13. Rfe1 Ne4 14. Rc2 h6 15. Rce2 Qd6 16. Qc2 Re7 17. Qb3 Qc7 18. Rc1 Qb6 19. Qxb6 axb6 20. a3 b5 21. Nxe4 Rxe4 1/2-1/2

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.12"]
[Round "9"]
[White "De Mey, Juan P"]
[Black "Leal, Jose"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "1"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.12"]
[Round "9"]
[White "Chaudron, Erick"]
[Black "Dirks, Ayden"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "1"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. c4 1-0

[Event "Campeonato Nacional Open 2023"]
[Site "?"]
[Date "2023.11.12"]
[Round "9"]
[White "Diaz, Daniel"]
[Black "Antonio, Kyell"]
[Result "0-1"]
[ECO "C36"]
[PlyCount "64"]
[EventDate "2023.11.03"]
[EventCountry "ARN"]
[SourceVersionDate "2023.11.04"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Be2 Nxd5 6. O-O Bd6 7. d4 O-O 8. Re1 Re8 9. c4 Ne3 10. Bxe3 fxe3 11. h3 Bg3 12. Rf1 Qd6 13. Nc3 Bf2+ 14. Kh1 Qg3 15. Nh2 f5 16. Qd3 Nc6 17. a3 Qd6 18. Nf3 Bg3 19. c5 Qh6 20. Nh2 Bd7 21. Rf3 f4 22. Bf1 Bxh2 23. Kxh2 Bg4 24. Be2 Rad8 25. Qc4+ Kh8 26. Rd1 Bxf3 27. Bxf3 Qe6 28. d5 Ne5 29. Qxf4 Nxf3+ 30. Qxf3 Qe5+ 31. Kh1 Rf8 32. Qg4 h5 0-1