[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.11"]
[Round "8"]
[White "Marin Marin, Cristobal"]
[Black "Luque A, Silvia Catalina"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1448"]
[BlackElo "1949"]
[PlyCount "28"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 Bg7 3. Nc3 d5 4. e3 Nf6 5. h4 Nbd7 6. Nb5 0-0 7. Nxc7 Rb8 8. Nb5 Qa5+ 9. b4 Qxb4+ 10. c3 Qb2 11. Bxb8 Ne4 12. Be2 Nxb8 13. Qc1 Qxc1+ 14. Rxc1 Bh6 1-0

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "6"]
[White "Marin Marin, Cristobal"]
[Black "Luna Uribe, Rafael"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1448"]
[BlackElo "1501"]
[PlyCount "59"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 c5 5. c3 Be7 6. Nbd2 Nbd7 7. Qe2 b6 8. dxc5 Nxc5 9. Bc2 0-0 10. 0-0 Bb7 11. Rd1 Qc7 12. b3 e5 13. c4 e4 14. Nd4 Rfd8 15. Bb2 Qe5 16. Rab1 Qg5 17. Nb5 a6 18. Nc7 Rac8 19. Bxf6 Qxf6 20. Nxd5 Bxd5 21. cxd5 Qe5 22. f4 exf3 23. Nxf3 Qh5 24. Bd3 b5 25. e4 Re8 26. Nd4 Qxe2 27. Nxe2 Nxd3 28. Rxd3 Rc2 29. Nd4 Rxa2 30. Nf5 1-0

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.10"]
[Round "7"]
[White "Vallejo, Diego"]
[Black "Marin Marin, Cristobal"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1808"]
[BlackElo "1448"]
[PlyCount "71"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 Be7 10. 0-0 f6 11. Nf4 fxe5 12. dxe5 Nc5 13. Be3 Qc7 14. Bxc5 Bxc5 15. Ng5 Qe7 16. Qh5+ Kd8 17. Nf7+ Kc7 18. Nxh8 g6 19. Nhxg6 hxg6 20. Bxg6 Bd4 21. Rfe1 Bxb2 22. Rad1 Qg7 23. Nd3 Ba3 24. Re3 Be7 25. Rg3 Qf8 26. Bf7 Qd8 27. Rg8 Qd7 28. Qg6 Nd8 29. Be8 Qxe8 30. Qxe8 Bh4 31. g3 Bxg3 32. Qxd8+ Kc6 33. Qd6+ Kb5 34. a4+ Kc4 35. Rg4+ Bf4 36. Qb4# 1-0

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.09"]
[Round "5"]
[White "Florez, Nestor Enrique"]
[Black "Marin Marin, Cristobal"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1671"]
[BlackElo "1448"]
[PlyCount "75"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 cxd4 7. cxd4 Nge7 8. b4 Nf5 9. Bb2 a6 10. Be2 Be7 11. g4 Nh6 12. h3 Rf8 13. Nc3 Bd7 14. 0-0 Ng8 15. Bd3 g6 16. g5 h6 17. h4 Bd8 18. Na4 Qa7 19. Rc1 Bb6 20. Nc5 h5 21. Nd2 Rb8 22. Ndb3 Nge7 23. Re1 Nc8 24. Re3 Ke7 25. Rf3 Bxc5 26. Nxc5 Rg8 27. Rf6 Nb6 28. Qf3 Rbf8 29. Bc3 Qa8 30. Qe2 Bc8 31. a4 Nd7 32. Nxd7 Bxd7 33. b5 axb5 34. axb5 Nd8 35. Bb4+ Ke8 36. Qb2 Qb8 37. Ba3 Rg7 38. Qb4 1-0

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.09"]
[Round "4"]
[White "Marin Marin, Cristobal"]
[Black "Perez Pineda, Lizeth Yesenia"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1448"]
[BlackElo "1696"]
[PlyCount "68"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. 0-0 0-0 8. Qe2 e5 9. dxe5 Nxe5 10. Bc2 Bg4 11. h3 Bh5 12. Bd1 Re8 13. Qb5 a6 14. Qb3 c4 15. Qc2 Bg6 16. e4 Nxe4 17. Be2 Nxf2 18. Qxg6 Nxh3+ 19. gxh3 fxg6 20. Rf2 Qd7 21. h4 Qg4+ 22. Rg2 Nxf3+ 23. Nxf3 Bc5+ 24. Kh1 Qf5 25. Nd4 Bxd4 26. cxd4 Rxe2 27. Rxe2 Qf1+ 28. Kh2 Qxe2+ 29. Kg3 Qe1+ 30. Kg4 Rf8 31. b3 h5+ 32. Kh3 Rf3+ 33. Kg2 Qe2+ 34. Kg1 Rf1# 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "2"]
[White "Marin Marin, Cristobal"]
[Black "Alpala Mejia, David Mauricio"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1448"]
[BlackElo "1844"]
[PlyCount "92"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 a6 2. e4 e6 3. Nf3 d5 4. exd5 exd5 5. Bd3 Bd6 6. 0-0 Nf6 7. Re1+ Be7 8. Bf4 0-0 9. Nbd2 Nbd7 10. Ne5 c5 11. Nxd7 Bxd7 12. dxc5 Bxc5 13. Nf3 Qb6 14. Qd2 Ng4 15. Rf1 Qxb2 16. h3 Nxf2 17. Rxf2 Qxa1+ 18. Kh2 Bxf2 19. Qxf2 f6 20. Qh4 g6 21. Qh6 Rf7 22. Bd2 Bb5 23. Bxb5 axb5 24. Qe3 Qxa2 25. c3 Qa7 26. Qe6 Qb8+ 27. Kh1 Ra1+ 28. Be1 Qc7 29. Qxd5 Qxc3 30. Qe6 Kf8 31. Qd6+ Re7 32. Qd8+ Kf7 33. Qd5+ Kg7 34. Qd6 Raxe1+ 35. Nxe1 Rxe1+ 36. Kh2 Qe5+ 37. Qxe5 fxe5 38. Kg3 Rf1 39. h4 e4 40. h5 e3 41. h6+ Kf6 42. Kh3 e2 43. g4 e1Q 44. g5+ Kf5 45. Kg2 Kg4 46. Kh2 Qf2# 0-1

[Event "Medellin Castro Memorial op-B 31st"]
[Site "Medellin"]
[Date "2024.08.08"]
[Round "3"]
[White "Sepulveda, Lyda Marcela"]
[Black "Marin Marin, Cristobal"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1617"]
[BlackElo "1448"]
[PlyCount "70"]
[EventDate "2024.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nc6 6. Ne2 h6 7. 0-0 Bd6 8. c4 0-0 9. c5 Be7 10. Nbc3 Nd5 11. Nxd5 exd5 12. Qb3 Bf6 13. Be3 Ne7 14. Nf4 c6 15. Nh5 Ng6 16. Nxf6+ Qxf6 17. Rfd1 Nh4 18. Be2 Nf5 19. Qd3 Nxe3 20. fxe3 Bf5 21. Qd2 Qg5 22. Bf3 Rae8 23. Re1 Be4 24. Rf1 Re6 25. Rae1 Rfe8 26. b4 Bg6 27. Kf2 Qh4+ 28. Kg1 Qg5 29. b5 cxb5 30. Qf2 Qe7 31. Bxd5 Bd3 32. Bxe6 Qxe6 33. Qf3 Bxf1 34. Kxf1 Qe4 35. Qxf7+ Kxf7 0-1

