[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "9"]
[White "Martinez Serna, Miguel Angel"]
[Black "Alvarez, Alfonso"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1645"]
[BlackElo "1845"]
[PlyCount "21"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 d6 4. e4 Nd7 5. Nf3 Ngf6 6. Bd3 e5 7. 0-0 Be7 8. Re1 exd4 9. Nxd4 Ne5 10. Bb1 Nxc4 11. Qa4+ 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.16"]
[Round "8"]
[White "Rios Parra, Juan Fernando"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1882"]
[BlackElo "1645"]
[PlyCount "59"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. g4 Nd7 10. h4 Nb6 11. h5 d5 12. 0-0-0 Na5 13. Qh2 f6 14. hxg6 hxg6 15. Qh7+ Kf7 16. Rh6 Rg8 17. Rxg6 e5 18. Nf5 Bxf5 19. gxf5 d4 20. Bh6 Qf8 21. Nd5 Nxd5 22. exd5 Rc8 23. Bd3 Ke8 24. Rxg7 Rxg7 25. Bxg7 Qc5 26. Bxf6 Rc7 27. Qg8+ Qf8 28. Qe6+ Re7 29. Qxe7+ Qxe7 30. Bxe7 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "6"]
[White "Diaz Larrea, Juan Manuel"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1905"]
[BlackElo "1645"]
[PlyCount "82"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 g6 6. c3 Ngf6 7. Qe2 Qc7 8. d4 e6 9. Bf4 Bg7 10. Nbd2 0-0 11. Nc4 Ne8 12. Rfd1 e5 13. dxe5 dxe5 14. Bg3 f6 15. Ne3 Nb6 16. a4 a5 17. Nd2 Rf7 18. Ndc4 Nxc4 19. Qxc4 Nd6 20. Qd5 Bf8 21. Nc4 Nxc4 22. Qxc4 Rd8 23. Rd5 Kg7 24. Rad1 Rfd7 25. f3 b6 26. Bf2 Rd6 27. Kf1 R8d7 28. Ke2 Qd8 29. Be3 Be7 30. Qb3 Bf8 31. R1d2 Be7 32. Qd1 Kf8 33. Rxd6 Rxd6 34. Rxd6 Bxd6 35. Bh6+ Ke7 36. Qd5 Bc7 37. Qxd8+ Bxd8 38. Be3 c4 39. Kd2 Kd7 40. Kc2 Kc6 41. b3 b5 1/2-1/2

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.15"]
[Round "7"]
[White "Martinez Serna, Miguel Angel"]
[Black "Laverde, Luis Eduardo"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1645"]
[BlackElo "1954"]
[PlyCount "78"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Be7 6. Nc3 c5 7. e3 b6 8. Bd3 Bb7 9. 0-0 d6 10. Rb1 Nbd7 11. b4 axb4 12. axb4 cxb4 13. Nb5 Bc6 14. Bxb4 Bxb5 15. cxb5 0-0 16. Qb3 d5 17. Rfc1 Bxb4 18. Qxb4 Qb8 19. Rc6 Ra2 20. Rbc1 g6 21. Qc3 Qa8 22. h3 Qa4 23. Rc7 Kg7 24. Ne5 Nxe5 25. dxe5 Ne4 26. Bxe4 dxe4 27. Qc6 Qb3 28. Qxe4 Qxb5 29. Qf4 Raa8 30. Re7 Kg8 31. Kh2 Ra5 32. Rc8 Qxe5 33. Rxf8+ Kxf8 34. Rxf7+ Kg8 35. Rf8+ Kg7 36. Rf7+ Kg8 37. Rf8+ Kg7 38. Rf7+ Kg8 39. Rf8+ Kg7 1/2-1/2

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "4"]
[White "Martinez Serna, Miguel Angel"]
[Black "Pinilla Rozo, Maria Alejandra"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1645"]
[BlackElo "1393"]
[PlyCount "79"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 f5 4. Bf4 Nf6 5. Nf3 Be7 6. e3 0-0 7. Be2 Bd7 8. h3 c6 9. 0-0 Ne4 10. Nxe4 fxe4 11. Ne5 Be8 12. Bg4 Bf7 13. a4 Nd7 14. cxd5 cxd5 15. Nxf7 Kxf7 16. Rc1 Rc8 17. Rxc8 Qxc8 18. Qd2 Qc6 19. Rc1 Qxa4 20. Rc7 b6 21. b3 Qa1+ 22. Kh2 Rd8 23. Qe2 Qa3 24. Bxe6+ Kxe6 25. Qg4+ Kf7 26. Rxd7 g6 27. Bd6 Qxd6+ 28. Rxd6 Rxd6 29. Qc8 Rf6 30. Qb7 Ke6 31. Qxa7 Rxf2 32. Qxb6+ Bd6+ 33. Kg1 Re2 34. Qc6 Rxe3 35. Qe8+ Kf6 36. Qh8+ Kf5 37. g4+ Ke6 38. Qe8+ Kf6 39. g5+ Kxg5 40. Qd8+ 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.14"]
[Round "5"]
[White "Martinez Serna, Miguel Angel"]
[Black "Suarez Zapata, Hernando"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "1645"]
[BlackElo "1896"]
[PlyCount "103"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 a6 7. Qc2 Nbd7 8. Bd3 0-0 9. Nf3 g6 10. 0-0 b5 11. b4 Bb7 12. a3 Kg7 13. Nd2 h6 14. Bh4 Nh5 15. Bxe7 Qxe7 16. Nb3 Rac8 17. Rfe1 f5 18. f3 Qf6 19. e4 dxe4 20. fxe4 f4 21. Be2 Qg5 22. Bf3 Kh8 23. Rad1 Rce8 24. Qf2 Ndf6 25. Nc5 Bc8 26. Qe2 Ng4 27. Nd5 c6 28. Nc7 Re7 29. N7e6 Bxe6 30. Nxe6 Rxe6 31. Bxg4 Ref6 32. Bf3 Re6 33. Rc1 Nf6 34. Rc5 Qh4 35. e5 Nd7 36. Rxc6 Rxc6 37. Bxc6 f3 38. Qf2 Qxf2+ 39. Kxf2 fxg2+ 40. Kxg2 Nb8 41. Be4 Kg7 42. e6 Rf6 43. d5 Kf8 44. Rf1 Ke7 45. Rxf6 Kxf6 46. Kf3 g5 47. Ke3 a5 48. bxa5 Na6 49. Kd4 g4 50. Bd3 Nc7 51. Kc5 Ke5 52. e7 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "3"]
[White "Gonzalez Zapata, Julian David"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1902"]
[BlackElo "1645"]
[PlyCount "81"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Nc6 8. f3 0-0 9. Qd2 Nd7 10. h4 Nb6 11. Bb3 Na5 12. Qd3 Bd7 13. h5 Nxb3 14. axb3 a6 15. hxg6 fxg6 16. Bh6 Rf7 17. Bxg7 Rxg7 18. Nde2 Qc7 19. Nf4 Rf7 20. Nfd5 Nxd5 21. exd5 b5 22. 0-0-0 b4 23. Ne4 Bf5 24. g4 Bxe4 25. Qxe4 Raf8 26. Rh3 Qd7 27. Rdh1 a5 28. Rh6 Rxf3 29. Rxg6+ Kh8 30. Rxh7+ Kxh7 31. Rxd6+ Kg8 32. Qg6+ Kh8 33. Rxd7 Rf1+ 34. Kd2 R8f2+ 35. Kd3 Rd1+ 36. Kc4 Rf4+ 37. Kc5 Rf8 38. Qh5+ Kg8 39. Rxe7 Rc8+ 40. Kb6 Rb8+ 41. Kc7 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.13"]
[Round "2"]
[White "Martinez Serna, Miguel Angel"]
[Black "Agudelo Montoya, Gilberto"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1645"]
[PlyCount "87"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Re8 7. 0-0 e5 8. d5 Na6 9. a3 Nc5 10. Qc2 a5 11. Be3 a4 12. Bxc5 dxc5 13. Rad1 Bd7 14. Ne1 Qe7 15. Qd2 c6 16. Qc2 Red8 17. d6 Qe6 18. f3 Bf8 19. Nxa4 Bxd6 20. Nd3 Qe7 21. Nb6 Ra6 22. Nxd7 Rxd7 23. Rfe1 b5 24. Bf1 Ra4 25. cxb5 cxb5 26. Qc1 c4 27. Nf2 Bc5 28. Rxd7 Nxd7 29. Qd2 Bd4 30. Kh1 Nc5 31. Nd1 Ra8 32. Qb4 Rd8 33. Qxb5 Qh4 34. g3 Qg5 35. Qxc4 Qd2 36. Qe2 Qc1 37. Nc3 Qg5 38. Nd5 Rb8 39. b4 Ra8 40. bxc5 Rxa3 41. c6 Re3 42. Nxe3 Bxe3 43. Qxe3 Qxe3 44. Rxe3 1-0

[Event "Medellin de La Raza U2000 op"]
[Site "Medellin"]
[Date "2023.10.12"]
[Round "1"]
[White "Baldrich Munoz, Carlos Mario"]
[Black "Martinez Serna, Miguel Angel"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1144"]
[BlackElo "1645"]
[PlyCount "64"]
[EventDate "2023.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 g6 6. Qe2 Bg7 7. 0-0 d6 8. Rd1 Bd7 9. Bf4 Nf6 10. Bc4 0-0 11. e5 Nh5 12. Bg3 Nxg3 13. fxg3 Nxe5 14. Nxe5 Bxe5 15. Nd2 Rc8 16. Nf3 Bf6 17. Nd4 a6 18. a4 Rc5 19. Nf3 b5 20. axb5 axb5 21. Ba2 Qb6 22. Qf2 b4 23. Rd5 Bc6 24. cxb4 Qxb4 25. Rd2 Ra5 26. Nd4 Bd5 27. b3 Bxd4 28. Rxd4 Qc3 29. Rdd1 Bxb3 30. Rdc1 Rxa2 31. Qxa2 Qxc1+ 32. Rxc1 Bxa2 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.06"]
[Round "6"]
[White "Martinez Serna, Miguel Angel"]
[Black "Estrada Velandia, Henry Andres"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1514"]
[BlackElo "1837"]
[PlyCount "62"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. cxd5 cxd5 4. d4 Nf6 5. Bg2 Nc6 6. Nc3 Bf5 7. Nf3 e6 8. 0-0 Bd6 9. a3 Rc8 10. b3 Na5 11. Bd2 h6 12. Ne5 0-0 13. b4 Nc4 14. Nxc4 Rxc4 15. e3 Qd7 16. Re1 Rfc8 17. Rc1 a5 18. Na2 Bc2 19. Qe2 Qa4 20. Bc3 Rxc3 21. Nxc3 Rxc3 22. Qd2 axb4 23. axb4 Bxb4 24. Ra1 Ra3 25. Rxa3 Qxa3 26. Qxc2 Bxe1 27. Qc8+ Kh7 28. Qxb7 Qa2 29. Qxf7 Bxf2+ 30. Kf1 Bxe3 31. Be4+ dxe4 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "4"]
[White "Martinez Serna, Miguel Angel"]
[Black "Montoya Echeverri, Sebastian"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1514"]
[BlackElo "1916"]
[PlyCount "107"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 d6 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. Nf3 0-0 6. 0-0 c5 7. Rb1 Nc6 8. d3 Bf5 9. Bd2 Qd7 10. Re1 Rab8 11. a3 Nd4 12. b4 b6 13. Nxd4 cxd4 14. Nb5 e5 15. a4 d5 16. cxd5 a6 17. Na3 Nxd5 18. b5 a5 19. Nc4 Rfc8 20. Qb3 Be6 21. Rec1 f6 22. Bxd5 Bxd5 23. Qd1 Bf8 24. e4 Bxc4 25. Rxc4 Rxc4 26. Qb3 Rbc8 27. Rc1 Qe6 28. Rxc4 Rxc4 29. Qxc4 Qxc4 30. dxc4 Kf7 31. Kf1 Ke6 32. Ke2 Bb4 33. Bc1 g5 34. Kd3 g4 35. Ke2 f5 36. f3 gxf3+ 37. Kxf3 d3 38. exf5+ Kxf5 39. Be3 e4+ 40. Kf2 d2 41. Ke2 Kg4 42. Bxd2 Be7 43. Be3 Bd8 44. c5 bxc5 45. Bxc5 Kh3 46. b6 Kxh2 47. b7 Bc7 48. Ba7 Kxg3 49. b8Q Bxb8 50. Bxb8+ Kg4 51. Ke3 Kf5 52. Bc7 Ke6 53. Kxe4 Kd7 54. Bg3 1/2-1/2

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.05"]
[Round "5"]
[White "Melo Ramirez, Marlon Roman"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1839"]
[BlackElo "1514"]
[PlyCount "40"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 0-0 9. Bd2 f6 10. a3 Qd7 11. Qc2 Nb6 12. Rac1 Na5 13. Be3 Nb3 14. Rb1 c5 15. Ne4 Rac8 16. Rfd1 Nd4 17. Bxd4 cxd4 18. Qd2 Rc7 19. Rdc1 Rfc8 20. h4 Bb3 1/2-1/2

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.04"]
[Round "3"]
[White "Garces Trujillo, Luis Javier"]
[Black "Martinez Serna, Miguel Angel"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1830"]
[BlackElo "1514"]
[PlyCount "67"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 h6 12. b3 b6 13. Bb2 Bb7 14. Qd3 g6 15. Rad1 Re8 16. h3 Bf8 17. Ne5 Bg7 18. Rfe1 Qc7 19. Bc1 Rad8 20. Bf4 Qe7 21. Qe3 Qf8 22. Bh2 Nd7 23. f4 Nxe5 24. fxe5 c5 25. dxc5 Qxc5 26. Qxc5 bxc5 27. Kf2 Bf8 28. Bf4 Kg7 29. Be3 Be7 30. h4 Rf8 31. Rxd8 Rxd8 32. Rd1 Rxd1 33. Bxd1 h5 34. g3 0-1

[Event "Medellin Flores op 30th"]
[Site "Medellin"]
[Date "2023.08.04"]
[Round "2"]
[White "Martinez Serna, Miguel Angel"]
[Black "Daza Samboni, Fernando"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1514"]
[BlackElo "1814"]
[PlyCount "34"]
[EventDate "2023.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. cxd5 exd5 5. d4 c6 6. Nc3 Bf5 7. Nf3 Nbd7 8. 0-0 Bd6 9. Re1 0-0 10. a3 Re8 11. b3 Re7 12. Bb2 Qa5 13. Nh4 Bg4 14. Qc2 Rae8 15. f3 Be6 16. e4 Nf8 17. e5 Bd7 1-0

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.09"]
[Round "6"]
[White "Martinez Serna, Miguel Angel"]
[Black "Zuluaga Pino, David"]
[Result "1/2-1/2"]
[ECO "A23"]
[WhiteElo "1369"]
[PlyCount "64"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 c6 2. g3 e5 3. Bg2 Nf6 4. Nc3 Bc5 5. e3 0-0 6. Nge2 d5 7. cxd5 cxd5 8. d4 exd4 9. Nxd4 Bxd4 10. Qxd4 Nc6 11. Qd1 Bg4 12. Qa4 d4 13. exd4 Nxd4 14. 0-0 Be2 15. Nxe2 Nxe2+ 16. Kh1 Nxc1 17. Raxc1 Qb6 18. b3 Rac8 19. Kg1 g6 20. Qf4 Kg7 21. Bh3 Rxc1 22. Rxc1 Qa5 23. Qc7 b6 24. Qc2 Rd8 25. Qc7 Qd2 26. a4 Ne4 27. Rf1 Ng5 28. Bg2 Qd7 29. Qc3+ Kg8 30. h4 Ne6 31. Qf6 Qd4 32. Qf3 Nc5 1/2-1/2

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.08"]
[Round "5"]
[White "Gutierrez Taborda, Brahian"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "D05"]
[BlackElo "1369"]
[PlyCount "70"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 Bf5 5. Bb5+ Nbd7 6. Nbd2 e6 7. Nh4 Bg6 8. Nxg6 hxg6 9. Qe2 a6 10. Bxd7+ Qxd7 11. e4 dxe4 12. dxc5 Bxc5 13. Nxe4 Nxe4 14. Qxe4 Rh5 15. Be3 Bxe3 16. fxe3 Rd8 17. 0-0 Qc7 18. Qf4 Qxf4 19. exf4 Rd2 20. b3 Rhd5 21. Rf2 b5 22. Rxd2 Rxd2 23. a4 Rd3 24. axb5 axb5 25. Ra5 Rxc3 26. Rxb5 Rc2 27. h3 Ke7 28. Rb7+ Kf6 29. g4 Rb2 30. g5+ Kf5 31. Rxf7+ Ke4 32. Re7 Rxb3 33. Rxe6+ Kxf4 34. Rxg6 Rxh3 35. Rxg7 Rg3+ 1/2-1/2

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.07"]
[Round "4"]
[White "Martinez Serna, Miguel Angel"]
[Black "Conti, Julian"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1369"]
[BlackElo "1857"]
[PlyCount "84"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Be6 6. Nf3 Nc6 7. d3 Be7 8. 0-0 h5 9. h4 Qd7 10. d4 Nxc3 11. bxc3 0-0-0 12. Be3 Bf6 13. Qa4 a6 14. Rab1 Bd5 15. Rxb7 Nxd4 16. Qxd7+ Rxd7 17. cxd4 Kxb7 18. dxe5 Be7 19. Bh3 Rdd8 20. Rb1+ Ka8 21. Nd4 Bc5 22. Rc1 Bb6 23. Nf5 g6 24. Bxb6 cxb6 25. Nd6 Rhf8 26. e4 Be6 27. Bf1 b5 28. Rc6 Ka7 29. Rc7+ Kb6 30. Rb7+ Kc5 31. a3 Rb8 32. Rc7+ Kd4 33. f4 Rb6 34. Rc2 Rfb8 35. Kf2 a5 36. Ke1 f6 37. Rd2+ Kc5 38. Rc2+ Kd4 39. Rd2+ Kc3 40. Nxb5+ Rxb5 41. Bxb5 Rxb5 42. exf6 Rb1+ 0-1

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.06"]
[Round "2"]
[White "Martinez Serna, Miguel Angel"]
[Black "Florez Olaya, Oscar David"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "1369"]
[PlyCount "87"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. Nf3 0-0 6. 0-0 d6 7. d4 Nbd7 8. e4 e5 9. d5 cxd5 10. cxd5 Nc5 11. Qe2 a5 12. Nd2 b6 13. a4 Ne8 14. b3 f5 15. Re1 f4 16. f3 fxg3 17. hxg3 Bh6 18. Rb1 Nf6 19. Nf1 Bxc1 20. Rexc1 Nh5 21. Qe3 Kg7 22. Nb5 Bd7 23. Nxd6 Qe7 24. Nc4 Rab8 25. Nxb6 Rxb6 26. Qxc5 Qxc5+ 27. Rxc5 Rfb8 28. Rc7 R8b7 29. Rxb7 Rxb7 30. g4 Nf4 31. Nd2 Nxg2 32. Kxg2 Kf6 33. Nc4 Bxa4 34. Nxa5 Rb5 35. b4 Kg5 36. Nc6 Kf4 37. Kf2 h5 38. gxh5 gxh5 39. d6 Rb6 40. d7 Rxc6 41. d8Q Rc2+ 42. Kg1 Re2 43. Qh4+ Ke3 44. Re1 1-0

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.06"]
[Round "3"]
[White "Restrepo Ortiz, Brayan David"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1735"]
[BlackElo "1369"]
[PlyCount "91"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nc6 5. 0-0 g6 6. d4 cxd4 7. Nxd4 Bg7 8. c3 Nf6 9. Re1 0-0 10. Na3 Rc8 11. Bf1 a6 12. h3 Qc7 13. Nf3 Rfd8 14. Nc2 Ne5 15. Ne3 e6 16. Nd2 d5 17. f4 Nc6 18. e5 Nh5 19. Qf3 Bf8 20. Kh2 d4 21. Nec4 dxc3 22. bxc3 Na5 23. Nxa5 Qxa5 24. Nc4 Qc7 25. Be3 Qc6 26. Qf2 b5 27. axb5 axb5 28. Nb6 Rc7 29. Rab1 Bc5 30. Bxc5 Qxc5 31. Qxc5 Rxc5 32. Red1 Rxc3 33. Nxd7 Kg7 34. Nf6 Rxd1 35. Nxh5+ gxh5 36. Rxd1 b4 37. Rb1 b3 38. Bb5 Kg6 39. g4 hxg4 40. hxg4 Kh6 41. Kg2 Rc2+ 42. Kg3 b2 43. Kf3 Rc3+ 44. Kf2 Rb3 45. Ba6 Rb6 46. Bd3 1/2-1/2

[Event "Medellin Easter op 11th"]
[Site "Medellin"]
[Date "2023.04.05"]
[Round "1"]
[White "Castaneda Jimenez, Jhon David"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2120"]
[BlackElo "1369"]
[PlyCount "55"]
[EventDate "2023.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 Bf5 5. cxd5 cxd5 6. Qb3 Qc7 7. Nc3 e6 8. d3 Nc6 9. Bf4 Qd7 10. e4 Bg4 11. Ne5 Nxe5 12. Bxe5 Be7 13. h3 Bh5 14. exd5 exd5 15. 0-0 0-0 16. Nxd5 Nxd5 17. Qxd5 Qxd5 18. Bxd5 Rad8 19. Bxb7 Rxd3 20. Rac1 Bd6 21. Be4 Rd2 22. Bc3 Re2 23. Rfe1 Rxe1+ 24. Rxe1 Bg6 25. Bf3 Bc5 26. h4 h6 27. h5 Bf5 28. Re5 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.11"]
[Round "6"]
[White "Hernandez, Jose1111"]
[Black "Martinez Serna, Miguel Angel"]
[Result "0-1"]
[ECO "B70"]
[BlackElo "1244"]
[PlyCount "140"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Re1 Nc6 9. Nf3 Bd7 10. Bf4 Qb6 11. Rb1 Ng4 12. Bg3 Nge5 13. Nxe5 Nxe5 14. Nd5 Qd8 15. f4 Nc6 16. Bg4 Bxg4 17. Qxg4 Qc8 18. Qxc8 Raxc8 19. Bh4 Rfe8 20. e5 dxe5 21. fxe5 Bxe5 22. Nxe7+ Nxe7 23. Rxe5 Nf5 24. Rxe8+ Rxe8 25. Re1 Rc8 26. Bf6 Kf8 27. Rd1 Ng7 28. Rd8+ Rxd8 29. Bxd8 Ne6 30. Bf6 Ke8 31. Kf2 Kd7 32. Ke3 Nc7 33. c4 Ke6 34. Bd4 a6 35. b4 b5 36. Bb6 Na8 37. cxb5 axb5 38. Ba5 Ke5 39. Kf3 f5 40. h3 h6 41. h4 f4 42. g3 fxg3 43. Kxg3 h5 44. Kf3 Kf5 45. Bd8 Ke5 46. Ke3 Ke6 47. Ke4 Kd7 48. Ba5 Ke6 49. Kd4 Kd6 50. Ke4 Ke6 51. Kf4 Ke7 52. Ke5 Kf7 53. Kd5 Ke8 54. Ke6 g5 55. hxg5 h4 56. g6 Kf8 57. Bd8 h3 58. g7+ Kxg7 59. Bf6+ Kf8 60. Be5 Nb6 61. Bh2 Nc4 62. Kd5 Ke8 63. Kc5 Na3 64. Kd4 Kd7 65. Kc3 Kc6 66. Kb3 Nc4 67. a4 Kb6 68. Bg1+ Ka6 69. Kc3 Ne5 70. a5 Nf3 0-1

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.11"]
[Round "7"]
[White "Martinez Serna, Miguel Angel"]
[Black "Restrepo, Hugo"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1244"]
[BlackElo "1683"]
[PlyCount "109"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 0-0 5. Nf3 d6 6. 0-0 Nc6 7. e3 Re8 8. d4 Bb6 9. d5 Ne7 10. e4 a5 11. Bg5 Ng6 12. a3 h6 13. Bxf6 Qxf6 14. h3 h5 15. Kh2 h4 16. Qc2 hxg3+ 17. fxg3 Qe7 18. Na4 Be3 19. Rae1 Bh6 20. c5 dxc5 21. Qxc5 Qxc5 22. Nxc5 b6 23. Na4 Ba6 24. Rf2 Bb5 25. Nc3 Bc4 26. Bf1 Bxf1 27. Rexf1 f6 28. Nb5 Rec8 29. Rc2 Be3 30. Rxc7 Rxc7 31. Nxc7 Rc8 32. d6 Nf8 33. Kh1 Nd7 34. Nd5 Kf7 35. Nxe3 Nc5 36. Nxe5+ Ke6 37. N5c4 Nxe4 38. Kh2 Nxd6 39. Nxd6 Kxd6 40. Rf2 Ke5 41. g4 g6 42. h4 Rc6 43. h5 gxh5 44. gxh5 Ke4 45. Nf5 Rc7 46. h6 Rh7 47. Kh3 Ke5 48. Kh4 Ke6 49. Kh5 Kf7 50. Rg2 Kf8 51. Rg7 Rh8 52. Kg6 Rg8 53. Rxg8+ Kxg8 54. h7+ Kh8 55. Nh6 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.10"]
[Round "5"]
[White "Gomez, Nicolas de Jesus"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1698"]
[BlackElo "1244"]
[PlyCount "71"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. a4 a6 5. Bc4 d6 6. f4 g6 7. d3 Bg7 8. Be3 Bg4 9. Qd2 e5 10. Nge2 Ne7 11. 0-0 Qa5 12. Ng3 Be6 13. Qf2 Bxc4 14. dxc4 f5 15. Bd2 Qb6 16. exf5 Ndxf5 17. Nxf5 gxf5 18. fxe5 dxe5 19. Bg5 Bf6 20. Qh4 Bxg5 21. Qxg5 Qg6 22. Qe3 Rg8 23. Rf2 Qd6 24. Rd1 Qc7 25. Nd5 Nxd5 26. Rxd5 Rd8 27. Rxe5+ Kd7 28. Re7+ Kc8 29. Rxc7+ Kxc7 30. Qxc5+ Kb8 31. g3 Rd1+ 32. Kg2 Rgd8 33. Qe5+ Ka8 34. b3 R1d2 35. Rxd2 Rxd2+ 36. Kh3 1-0

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.09"]
[Round "2"]
[White "Gonzalez Zapata, Julian David"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1707"]
[BlackElo "1244"]
[PlyCount "75"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 d6 5. d3 g6 6. h3 Bg7 7. Be3 0-0 8. Qd2 Rb8 9. Bh6 Nd4 10. Bxg7 Kxg7 11. Nd1 d5 12. e5 Nd7 13. f4 Nb6 14. Ne3 f6 15. c3 Nc6 16. d4 fxe5 17. dxc5 exf4 18. gxf4 Nc4 19. Nxc4 dxc4 20. Qxd8 Rxd8 21. Ne2 Bf5 22. Rd1 Rxd1+ 23. Kxd1 Rd8+ 24. Ke1 e5 25. Bxc6 bxc6 26. fxe5 Re8 27. Nd4 Rxe5+ 28. Kf2 Rxc5 29. Re1 Kf7 30. h4 Bg4 31. Kg3 h5 32. Kf4 Bd7 33. a3 Rd5 34. Re5 Kf6 35. Rxd5 cxd5 36. Nf3 a6 37. Ne5 Bb5 38. Nf3 1/2-1/2

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2022.07.09"]
[Round "3"]
[White "Martinez Serna, Miguel Angel"]
[Black "Alvarado Torres, Carlos Andres"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "1244"]
[BlackElo "1672"]
[PlyCount "49"]
[EventDate "2022.07.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 Nf6 6. 0-0 0-0 7. d3 d6 8. Bd2 e5 9. Rb1 Nd4 10. Nxd4 exd4 11. Nd5 Nxd5 12. Bxd5 Kh8 13. b4 Qc7 14. bxc5 dxc5 15. Bf4 Qe7 16. Re1 g5 17. Bd2 f5 18. e3 Qd8 19. Bxb7 Bxb7 20. Rxb7 dxe3 21. Bxe3 f4 22. Bxc5 Rf5 23. Ree7 fxg3 24. hxg3 Bd4 25. Qh5 1-0

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "5"]
[White "Cordoba Perez, Jeronimo"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1864"]
[BlackElo "1190"]
[PlyCount "33"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Be6 6. Nf3 Nc6 7. d3 Be7 8. Bd2 0-0 9. 0-0 f5 10. Rc1 Qd7 11. a3 a5 12. Nxd5 Bxd5 13. Bc3 Bxf3 14. Bxf3 Qe6 15. Qa4 f4 16. Qb5 Rfb8 17. Bd5 1-0

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "3"]
[White "Martinez Serna, Miguel Angel"]
[Black "Giraldo, Emanuel"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1190"]
[BlackElo "1583"]
[PlyCount "93"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. Nf3 d6 6. 0-0 e5 7. d3 c6 8. Bd2 Nbd7 9. b4 a5 10. b5 Qc7 11. Rb1 Nc5 12. Na4 Nfd7 13. Be3 Nxa4 14. Qxa4 c5 15. Bd2 Ra7 16. Qb3 b6 17. a4 f5 18. Ng5 Nf6 19. f4 h6 20. Nf3 e4 21. Nh4 Kh7 22. dxe4 Nxe4 23. Bxe4 fxe4 24. e3 Bg4 25. Rbe1 Qf7 26. Bc3 Bxc3 27. Qxc3 Rd7 28. f5 gxf5 29. Rf2 d5 30. cxd5 Rxd5 31. Ref1 Bh3 32. Ng2 Bxg2 33. Kxg2 Qf6 34. Qc4 Rfd8 35. Qxe4 fxe4 36. Rxf6 R8d6 37. R1f4 Rxf6 38. Rxf6 Rd2+ 39. Kf1 Ra2 40. Rxb6 Rxa4 41. Rc6 c4 42. b6 Rb4 43. b7 c3 44. Rxc3 Rxb7 45. Ra3 Rb5 46. Ra4 Re5 47. g4 1/2-1/2

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "6"]
[White "Martinez Serna, Miguel Angel"]
[Black "Ortiz Lopera, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "1190"]
[BlackElo "1462"]
[PlyCount "82"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d3 Nf6 6. Nf3 Nc6 7. 0-0 Bg4 8. Nc3 Be7 9. Qb3 0-0 10. Bg5 Na5 11. Qa4 Bd7 12. Qd1 e4 13. dxe4 dxe4 14. Ne5 Bf5 15. Qa4 Qc7 16. Bf4 Qc5 17. Nxe4 Bxe4 18. Bxe4 Rfe8 19. Nd3 Qb6 20. Bf3 Nc6 21. Rac1 Nd4 22. Be3 Nxf3+ 23. exf3 Qd6 24. Rfd1 Qd5 25. Kg2 b5 26. Qb3 Qxb3 27. axb3 Nd5 28. Bc5 Bf6 29. Re1 Red8 30. Ne5 Re8 31. f4 g5 32. Rcd1 Rad8 33. Ng4 Rxe1 34. Nxf6+ Nxf6 35. Rxe1 gxf4 36. gxf4 Rd2 37. Be3 Rd3 38. f5 Kg7 39. Bxa7 Nh5 40. Re3 Rd5 41. Rf3 Kf6 1/2-1/2

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "4"]
[White "Martinez Serna, Miguel Angel"]
[Black "Ortiz Monsalve, Sebastian"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1190"]
[BlackElo "1493"]
[PlyCount "101"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. d3 Nc6 6. Nf3 Be7 7. 0-0 Be6 8. Nc3 Nb6 9. Be3 f5 10. d4 e4 11. Ne5 Nxe5 12. dxe5 Qxd1 13. Raxd1 Nc4 14. Nd5 Bxd5 15. Rxd5 c6 16. Rdd1 Nxe3 17. fxe3 Rf8 18. Bh3 g6 19. g4 Bc5 20. gxf5 Bxe3+ 21. Kh1 Rd8 22. Rxd8+ Kxd8 23. Rd1+ Ke8 24. f6 c5 25. Bd7+ Kf7 26. Rf1 Re8 27. Bxe8+ Kxe8 28. f7+ Kf8 29. h4 Bd4 30. e6 Bg7 31. Rd1 Ke7 32. Rd7+ Kxe6 33. Rxb7 Bf8 34. Rxa7 Be7 35. f8Q Bxf8 36. Rxh7 Kd5 37. h5 gxh5 38. Rxh5+ Kd4 39. Rh3 Bg7 40. Kg2 Kc4 41. Rb3 Bd4 42. e3 Be5 43. Kf2 Bd6 44. Ke2 Be5 45. Kd2 Bf6 46. Kc2 Bd8 47. a4 Ba5 48. Rb5 Be1 49. b3+ Kd5 50. Kd1 Bb4 51. Rxb4 1-0

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "1"]
[White "Ramos, Jorge Andres"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1756"]
[BlackElo "1190"]
[PlyCount "75"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. g4 Qa5 12. Kb1 Rfc8 13. a3 a6 14. h4 b5 15. h5 b4 16. Na2 Bxa2+ 17. Kxa2 Rab8 18. hxg6 hxg6 19. g5 Nd7 20. Bxg7 Kxg7 21. Kb1 Qb6 22. axb4 Qxb4 23. Qxb4 Rxb4 24. Bxa6 Rcb8 25. b3 Nc5 26. Bd3 Nxd3 27. Rxd3 R8b5 28. Rg1 Rc4 29. Kb2 Rcb4 30. Kc3 Rb8 31. Rd4 R4b6 32. f4 R8b7 33. Rh1 Ra6 34. Rd2 Rc6+ 35. Kb2 Rb4 36. Rdh2 e6 37. Rh8 f5 38. R1h7# 1-0

[Event "Medellin Antioquia 2nd League"]
[Site "Medellin"]
[Date "2021.??.??"]
[Round "7"]
[White "Sanabria, Edgar"]
[Black "Martinez Serna, Miguel Angel"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "1549"]
[BlackElo "1190"]
[PlyCount "61"]
[EventDate "2021.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 Qb6 9. Bxf6 gxf6 10. Qxb6 axb6 11. Nh4 Rg8 12. f3 e6 13. g3 Bh6 14. Ng2 Ke7 15. Rd1 Rgd8 16. 0-0 Rac8 17. f4 Bg7 18. f5 e5 19. Rf2 Bh6 20. a3 Ra8 21. Rf3 b5 22. Nd5+ Bxd5 23. Rxd5 Rac8 24. Rxb5 Rxc2 25. Rxb7+ Ke8 26. Ne3 Bxe3+ 27. Rxe3 Rdc8 28. Reb3 R8c4 29. Rb8+ Kd7 30. R3b7+ Kc6 31. Rxf7 1-0

