[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "6"]
[White "Ghosh, Chanchal Kumer"]
[Black "Marin Posada, Sebastian"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2026"]
[BlackElo "2275"]
[PlyCount "51"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Bg5 Qb6 7. dxc5 Bxc5 8. Qd2 h6 9. Bf4 Bb4 10. a3 Be7 11. Bd3 Nc6 12. 0-0 g5 13. Bg3 g4 14. Ne1 Bg5 15. Qe2 Qxb2 16. Nxd5 exd5 17. e6 Nde5 18. exf7+ Kxf7 19. Rd1 Re8 20. Kh1 Bd7 21. Bh7 Kg7 22. Nd3 Nxd3 23. Qxd3 Qf6 24. c4 d4 25. Be4 Be6 26. Bd5 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "8"]
[White "Harrington, Steve"]
[Black "Marin Posada, Sebastian"]
[Result "1-0"]
[ECO "C00"]
[BlackElo "2275"]
[PlyCount "91"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. f4 a5 4. Nf3 a4 5. Ne5 dxe4 6. Nc3 a3 7. bxa3 Nf6 8. Bd2 Bxa3 9. dxe4 0-0 10. Bd3 Nbd7 11. Nc4 Bc5 12. Qe2 Re8 13. e5 Nd5 14. Ne4 Bd4 15. c3 Ba7 16. Qh5 g6 17. Qe2 Nc5 18. Bc2 Nxe4 19. Bxe4 Bd7 20. h4 Bc6 21. h5 Ne7 22. g4 Bxe4 23. Qxe4 Qd5 24. Qxd5 Nxd5 25. hxg6 fxg6 26. Ke2 b5 27. Nb2 Bb6 28. Nd3 c5 29. Rhb1 b4 30. cxb4 c4 31. Nf2 c3 32. Bc1 Bd4 33. Kd3 c2 34. Kxd4 cxb1Q 35. Rxb1 Rxa2 36. Nd3 Rg2 37. g5 Rg4 38. b5 Rb8 39. Kc5 Rg3 40. Rb3 Ne3 41. Bxe3 Rxe3 42. Kd4 Re2 43. b6 Rc2 44. Nc5 Kf7 45. b7 Ke7 46. Na6 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "3"]
[White "Marin Posada, Sebastian"]
[Black "Curtis, John"]
[Result "1-0"]
[ECO "E64"]
[WhiteElo "2275"]
[BlackElo "2292"]
[PlyCount "97"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 d6 7. Nc3 Na6 8. d5 Nc7 9. a4 a6 10. a5 Rb8 11. Na4 Na8 12. Bd2 Ne4 13. Be1 Bd7 14. Qc2 f5 15. Nd2 Nf6 16. f3 Qxa5 17. e4 b5 18. Nb3 Qd8 19. Naxc5 dxc5 20. Nxc5 fxe4 21. fxe4 Ng4 22. Rxf8+ Qxf8 23. Nxd7 Bd4+ 24. Kh1 Qh6 25. h3 Rd8 26. Rxa6 Ne3 27. Qd2 Nc7 28. Rc6 Rxd7 29. Bf2 e5 30. dxe6 Nxg2 31. Qxh6 Nxe6 32. Rc8+ Nd8 33. Bxd4 Rxd4 34. Kxg2 Rd2+ 35. Kf3 Rd7 36. Qg5 bxc4 37. Rxd8+ Rxd8 38. Qxd8+ Kg7 39. Qd7+ Kh6 40. Qc8 g5 41. Qxc4 g4+ 42. hxg4 Kg6 43. Qc5 h6 44. Qf5+ Kg7 45. g5 h5 46. Qf6+ Kg8 47. g6 h4 48. Qf7+ Kh8 49. Qh7# 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "5"]
[White "Marin Posada, Sebastian"]
[Black "Gurner, Jem"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "2275"]
[BlackElo "1927"]
[PlyCount "98"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. e4 Nc6 7. Nge2 e5 8. 0-0 h6 9. h3 a5 10. Be3 Nh5 11. Qd2 Kh7 12. Kh2 f5 13. f4 exd4 14. Nxd4 Nxd4 15. Bxd4 c6 16. Rad1 Bxd4 17. Qxd4 Rf6 18. e5 Re6 19. exd6 Bd7 20. Rfe1 Qf6 21. Qxf6 Nxf6 22. Rxe6 Bxe6 23. Re1 Bxc4 24. Re7+ Kg8 25. Rxb7 Rd8 26. b3 Bd5 27. Bxd5+ Nxd5 28. Nxd5 cxd5 29. d7 d4 30. Kg2 Kf7 31. Kf2 Ke6 32. Ke2 Kd5 33. Kd3 Kc5 34. a3 Kc6 35. Ra7 Kb6 36. Kxd4 Kxa7 37. Ke5 Rxd7 38. Kf6 Rd6+ 39. Kf7 h5 40. b4 axb4 41. axb4 Kb6 42. Ke7 Rc6 43. Kf7 Kb5 44. Kg7 Kxb4 45. Kh6 Kc3 46. Kg5 Kd4 47. g4 hxg4 48. hxg4 fxg4 49. Kxg4 Ke4 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "1"]
[White "Marin Posada, Sebastian"]
[Black "Martinez Ramirez, Lennis"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2275"]
[BlackElo "2448"]
[PlyCount "64"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bd6 5. Nf3 0-0 6. 0-0 h6 7. Nbd2 Re8 8. Qc2 Nc6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 e5 12. Re1 f5 13. Qd5+ Be6 14. Qb5 a6 15. Qa4 e4 16. Ng5 Bd7 17. c5 hxg5 18. cxd6 cxd6 19. Qb3+ Be6 20. d5 Na5 21. Qd1 Bf7 22. Be3 Nc4 23. Bd4 g4 24. b3 Ne5 25. Bxe5 Rxe5 26. Bf1 Rxd5 27. Qc1 Rc5 28. Qf4 Qf6 29. Rad1 Rd8 30. Rd2 d5 31. Red1 d4 32. h4 d3 0-1

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "7"]
[White "Marin Posada, Sebastian"]
[Black "Souza, Gustavo Horokoski"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2275"]
[BlackElo "1898"]
[PlyCount "127"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. g3 g6 7. Bg2 Bg7 8. 0-0 Nxd4 9. Qxd4 0-0 10. Qh4 Rb8 11. Bh6 Be6 12. b3 Qa5 13. Nb5 a6 14. Nd4 Bd7 15. Rfd1 Qh5 16. Qxh5 Nxh5 17. Bxg7 Nxg7 18. e3 Nf5 19. Bh3 Rfd8 20. Nxf5 Bxf5 21. Bxf5 gxf5 22. Rd4 Kg7 23. Kg2 Kf6 24. Rad1 Rh8 25. Kf3 h5 26. Rf4 h4 27. Rd5 e6 28. Rxd6 hxg3 29. hxg3 Rbd8 30. Rfd4 Rxd6 31. Rxd6 Ke7 32. Rd1 Rb8 33. Kf4 Kf6 34. e4 e5+ 35. Kf3 Ke6 36. exf5+ Kxf5 37. Rd6 f6 38. Ke3 Rc8 39. Rb6 Rc7 40. f3 Rd7 41. g4+ Kg5 42. a4 f5 43. gxf5 Kxf5 44. a5 Kg5 45. Ke4 Re7 46. b4 Rc7 47. c5 Re7 48. c6 bxc6 49. Rxc6 Rb7 50. Rb6 Rc7 51. Kxe5 Rc4 52. Kd5 Rf4 53. Kc5 Rxf3 54. Rxa6 Kf5 55. Rd6 Rc3+ 56. Kb5 Ke5 57. Rc6 Rh3 58. Kb6 Kd5 59. b5 Rh8 60. Rc7 Rb8+ 61. Rb7 Rc8 62. a6 Kd6 63. a7 Re8 64. Rb8 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "2"]
[White "Mirzoev, Azer"]
[Black "Marin Posada, Sebastian"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2447"]
[BlackElo "2275"]
[PlyCount "101"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. Nf3 Bb4 5. Nd5 e4 6. Nxb4 Nxb4 7. Nd4 c5 8. Nb5 d5 9. a3 Nd3+ 10. Bxd3 exd3 11. cxd5 0-0 12. 0-0 a6 13. Nc3 Nxd5 14. Qb3 Nxc3 15. Qxc3 b6 16. b4 cxb4 17. axb4 Bb7 18. Bb2 Qg5 19. f3 Rfd8 20. Qe5 Qxe5 21. Bxe5 Rac8 22. Bc3 f5 23. Ra3 Kf7 24. Kf2 Rd7 25. Rfa1 Ke6 26. h4 g6 27. Kg3 h6 28. Bd4 Rc2 29. Rxd3 b5 30. Raa3 Rd8 31. Rac3 Rxc3 32. Rxc3 Rc8 33. Bc5 Bd5 34. d4 Bc4 35. Ra3 Rc6 36. e4 fxe4 37. fxe4 Kf7 38. d5 Rf6 39. Bd4 Rf1 40. Rxa6 Re1 41. Rf6+ Ke7 42. Re6+ Kf7 43. Kf4 Rf1+ 44. Ke5 g5 45. Rxh6 gxh4 46. Rxh4 Re1 47. Rf4+ Ke7 48. Bc5+ Kd7 49. g4 Bd3 50. g5 Bxe4 51. Rxe4 1-0

[Event "Titled Tuesday intern op 23rd Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.23"]
[Round "4"]
[White "Shubenkova, Veronika"]
[Black "Marin Posada, Sebastian"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2007"]
[BlackElo "2275"]
[PlyCount "73"]
[EventDate "2024.01.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. f4 g6 4. Nf3 Bg7 5. c3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. Ne5 Qc7 9. Nd2 Nd7 10. Nxc6 Qxc6 11. f5 Nf6 12. Qf3 e6 13. fxg6 fxg6 14. Qe2 e5 15. dxe5 Ng4 16. Rxf8+ Kxf8 17. e4 Nxe5 18. exd5 Qxd5 19. Be4 Qd8 20. Nf3 Bg4 21. Be3 Qc7 22. Rf1 Bxf3 23. Bxf3 Nxf3+ 24. Rxf3+ Kg8 25. Qc4+ Kh8 26. Qxc5 Qd7 27. Bd4 Bxd4+ 28. cxd4 Rd8 29. d5 Kg7 30. Qd4+ Kg8 31. Rd3 b6 32. d6 Re8 33. Qd5+ Kg7 34. h3 Re2 35. Kh2 h6 36. Qc4 Re6 37. Qc7 1-0

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "5"]
[White "Lin, Bryan Enming"]
[Black "Marin Posada, Sebastian"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2102"]
[BlackElo "2275"]
[PlyCount "109"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[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. 0-0-0 d5 10. Qe1 Nxd4 11. Bxd4 e6 12. exd5 exd5 13. Kb1 Be6 14. g4 Re8 15. Qg3 Qa5 16. h4 b5 17. Bxb5 Rec8 18. g5 Nh5 19. Qe1 Bxd4 20. Rxd4 Rxc3 21. Qxc3 Qxb5 22. Re1 Rc8 23. Qd2 Rb8 24. b3 Ng3 25. a4 Qc5 26. Qf4 Rc8 27. Rd2 Nf5 28. h5 d4 29. hxg6 hxg6 30. Rh1 Ng7 31. Rdh2 Nh5 32. Qd2 Bf5 33. Kb2 d3 34. c3 Qe5 35. Rh4 Qe2 36. Qxe2 dxe2 37. Re1 Ng3 38. Rh2 Rd8 39. Rg2 Rd2+ 40. Ka3 Rd1 41. Rgg1 Rxe1 42. Rxe1 Bd3 43. c4 Kf8 44. Kb4 Ke7 45. Kc3 Bf5 46. b4 Kd6 47. Kd4 f6 48. gxf6 Ke6 49. Ke3 Kxf6 50. Kf4 Nh5+ 51. Ke3 Ng3 52. Kf2 Nf1 53. Rxe2 Nh2 54. Rd2 Ke5 55. c5 1-0

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "8"]
[White "Marin Posada, Sebastian"]
[Black "Celestino, Rafael Teixeira"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "2275"]
[PlyCount "118"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. e4 e5 7. Nge2 Nc6 8. 0-0 a5 9. d5 Ne7 10. h3 h6 11. Be3 Nh7 12. Qd2 g5 13. f4 exf4 14. gxf4 gxf4 15. Bxf4 h5 16. Ng3 h4 17. Nh5 Ng6 18. Nxg7 Nxf4 19. Rxf4 Kxg7 20. Raf1 Qg5 21. Kh1 Bd7 22. Qf2 f6 23. Ne2 Rae8 24. Nd4 Qg3 25. Rxh4 Qxf2 26. Rxf2 Ng5 27. Kh2 Rh8 28. Rxh8 Rxh8 29. Nf5+ Kg6 30. Kg3 Re8 31. Nh4+ Kg7 32. Rf4 a4 33. Nf5+ Kg6 34. h4 Nf7 35. Rg4+ Kh5 36. Rg7 Ne5 37. Bf3+ Nxf3 38. Kxf3 Bxf5 39. exf5 Kxh4 40. Rxc7 Kg5 41. Rxb7 Rc8 42. Rb4 Ra8 43. a3 Kxf5 44. Ke3 Ke5 45. Kd3 f5 46. Rb7 Rh8 47. Kc3 Rh3+ 48. Kc2 Rh2+ 49. Kc3 Rh3+ 50. Kc2 Rh2+ 51. Kb1 Kd4 52. Rc7 f4 53. c5 dxc5 54. d6 Ke5 55. d7 Rd2 56. Rxc5+ Ke6 57. Rc4 f3 58. Rf4 f2 59. Ka2 Kxd7 0-1

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "6"]
[White "Marin Posada, Sebastian"]
[Black "Kovacevic, Radmila"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2275"]
[BlackElo "2064"]
[PlyCount "72"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Nc3 Nxe5 5. Nd4 c6 6. e4 d5 7. Be2 dxe4 8. Nxe4 Nf6 9. Ng3 Qb4+ 10. c3 Qb6 11. 0-0 Be7 12. Ndf5 Qc7 13. Nxg7+ Kf8 14. Bh6 Kg8 15. N7f5 Bf8 16. Bxf8 Kxf8 17. Qd4 h5 18. f4 Ned7 19. Kh1 c5 20. Qd1 h4 21. Nh5 Nxh5 22. Bxh5 Nf6 23. Bg4 Nxg4 24. Qxg4 Rg8 25. Qh5 Qc6 26. Ne3 Be6 27. Rad1 Re8 28. f5 Bc4 29. Qf3 Rxe3 30. Qxc6 bxc6 31. Rd8+ Re8 32. Rxe8+ Kxe8 33. Re1+ Kd7 34. Re4 Bd5 35. Rxh4 Rxg2 36. c4 Rg4+ 0-1

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "1"]
[White "Marin Posada, Sebastian"]
[Black "Kozak, Antoni"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2275"]
[BlackElo "2442"]
[PlyCount "48"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Bf5 7. 0-0 Ne4 8. Qb3 Nxc3 9. Qxc3 Nc6 10. Rd1 Qd7 11. Bg5 Rfe8 12. Rac1 Be4 13. Qe3 Bf5 14. a3 Rab8 15. b4 a6 16. d5 Nd8 17. Nd4 Bh3 18. Ne6 Bxe6 19. dxe6 Qxe6 20. Qa7 Qc8 21. c5 Nc6 22. Bxc6 bxc6 23. cxd6 cxd6 24. Rc2 Qf5 0-1

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "3"]
[White "Marin Posada, Sebastian"]
[Black "Toropov, Pavel"]
[Result "0-1"]
[ECO "D17"]
[WhiteElo "2275"]
[BlackElo "2308"]
[PlyCount "56"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 g5 12. Bxe5 Nxe5 13. Ne3 Be6 14. h4 gxh4 15. Rxh4 Be7 16. Rd4 Bc5 17. Re4 f5 18. Rh4 Bxe3 19. fxe3 Ng4 20. Rxg4 fxg4 21. Ne4 Rd8 22. Qc2 0-0 23. Qc3 Qg7 24. Qc5 Qxb2 25. Rd1 Rxd1+ 26. Kxd1 Rd8+ 27. Ke1 Qa1+ 28. Kf2 Rf8+ 0-1

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "2"]
[White "Reinecke, Katharina"]
[Black "Marin Posada, Sebastian"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1884"]
[BlackElo "2275"]
[PlyCount "60"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. 0-0 dxc4 8. e3 Nbd7 9. a3 Be7 10. Qc2 Nb6 11. Ne5 c5 12. dxc5 Bxc5 13. Nxc4 Nxc4 14. Qxc4 Qe7 15. Bc3 Bd7 16. Bxb7 Rab8 17. Bg2 Bb5 18. Qf4 Bxf1 19. Bxf1 Nd5 20. Qa4 Qb7 21. b4 axb4 22. axb4 Bxb4 23. Bxb4 Qxb4 24. Qxb4 Rxb4 25. Nd2 g6 26. Nf3 Rb2 27. Nd4 Nc3 28. h4 Ne4 29. Be2 e5 30. Bd3 Nxf2 0-1

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "4"]
[White "Tarnowska, Aleksandra"]
[Black "Marin Posada, Sebastian"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1793"]
[BlackElo "2275"]
[PlyCount "70"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Bg5 Bd7 13. Bh4 Qb6 14. Rb1 Rae8 15. Ng3 g6 16. Qd2 Nxd4 17. Qh6 Nxf3+ 18. gxf3 Re7 19. Kh1 Qd4 20. Rbd1 Qf4 21. Bg5 Qxf3+ 22. Kg1 d4 23. Bxf6 Rxf6 24. Be4 Qf4 25. Qxf4 Rxf4 26. Bxb7 Bb5 27. Bg2 Bxf1 28. Bxf1 e5 29. Bc4+ Kg7 30. b3 Bb4 31. Kg2 h5 32. Rc1 Rc7 33. Rc2 Bc3 34. Ne2 Rg4+ 35. Kf3 Bb4 0-1

[Event "Titled Tuesday intern op 16th Jan Late"]
[Site "Chess.com INT"]
[Date "2024.01.16"]
[Round "7"]
[White "Uzuner, Tufan Can"]
[Black "Marin Posada, Sebastian"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1825"]
[BlackElo "2275"]
[PlyCount "60"]
[EventDate "2024.01.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Bg6 5. Ne5 Nbd7 6. Nxg6 hxg6 7. h3 e5 8. c3 e4 9. Be2 Bd6 10. c4 c6 11. Nc3 Qe7 12. Qb3 dxc4 13. Qxb7 0-0 14. Qa6 c5 15. Qxc4 Rfc8 16. 0-0 Rab8 17. Nd5 Nxd5 18. Qxd5 Nb6 19. Qb3 cxd4 20. exd4 Nc4 21. Qd1 Nxb2 22. Bxb2 Rxb2 23. Rc1 Rxc1 24. Qxc1 Rxe2 25. Qc8+ Kh7 26. a4 Qg5 27. Qc4 Qf4 28. g3 Qf3 29. Qd5 Bxg3 30. Qb5 Rxf2 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.22"]
[Round "6.3"]
[White "Marin Posada, Sebastian"]
[Black "Rodriguez Velasco, German Enrique"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2280"]
[BlackElo "1986"]
[PlyCount "65"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Antioquia"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 0-0 8. Be3 b6 9. Qd2 Ne8 10. Bh6 Nc7 11. h4 f6 12. 0-0-0 Ne6 13. Ne2 Nd4 14. Nfxd4 cxd4 15. h5 Bxh6 16. Qxh6 g5 17. f4 gxf4 18. Qxf4 e5 19. Qh4 Be6 20. Rdf1 Kh8 21. h6 Qe7 22. Rf3 Rf7 23. Rhf1 Rg8 24. Ng3 Rg4 25. Qh2 Qf8 26. Nf5 Rg6 27. Ng7 Bxa2 28. g4 a5 29. g5 Rxg5 30. Rg3 Rxg3 31. Qxg3 a4 32. Rg1 b5 33. Nf5 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.20"]
[Round "3.4"]
[White "Marin Posada, Sebastian"]
[Black "Lopez Rayo, Santiago"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "2280"]
[BlackElo "2301"]
[PlyCount "72"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Antioquia"]
[BlackTeam "Valle"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

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. Bc4 Bd7 10. Bb3 Na5 11. g4 Nxb3 12. axb3 a5 13. h4 h5 14. g5 Ne8 15. f4 Nc7 16. f5 Re8 17. 0-0 e6 18. Rf2 b5 19. Raf1 b4 20. Nce2 exf5 21. exf5 Nd5 22. fxg6 fxg6 23. Nf5 Re5 24. Bd4 Bxf5 25. Bxe5 dxe5 26. Rd1 Be6 27. c4 bxc3 28. Nxc3 Ra7 29. Nxd5 Rd7 30. Nf6+ Bxf6 31. Qxd7 Bxd7 32. Rxf6 Qc8 33. Rxg6+ Kh7 34. Rgd6 Bg4 35. R1d2 e4 36. Rf6 Qc1+ 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "1.3"]
[White "Marin Posada, Sebastian"]
[Black "Negron Arias, Juan Carlos"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2280"]
[BlackElo "1897"]
[PlyCount "53"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Antioquia"]
[BlackTeam "Norte de Santander"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. a3 Nxe5 6. b4 e6 7. Bb2 Ng6 8. c4 Nf6 9. Nf3 Be7 10. cxd5 exd5 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. 0-0 0-0 14. Nc3 Qg4 15. Nd4 Qg5 16. Bc1 Qh4 17. f4 Ng4 18. h3 Qg3 19. hxg4 Qxc3 20. Rb1 Bf6 21. Nb5 Qc4 22. Nd6 Bd4+ 23. Kh2 Qa2 24. Qxd4 Qe2 25. Bb2 f6 26. Qxd5+ Kh8 27. Qf3 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "2.3"]
[White "Olarte Parra, Jhoan Sebastian"]
[Black "Marin Posada, Sebastian"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2035"]
[BlackElo "2280"]
[PlyCount "55"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Cundinamarca"]
[BlackTeam "Antioquia"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 a5 5. Bxb4 axb4 6. Nbd2 d5 7. e3 0-0 8. Bd3 b6 9. 0-0 Bb7 10. Qc2 Nbd7 11. e4 dxe4 12. Nxe4 c5 13. Rfd1 Qc7 14. dxc5 bxc5 15. Nxf6+ Nxf6 16. Ng5 Qf4 17. Qd2 Qxd2 18. Rxd2 h6 19. Nh3 Rfd8 20. f3 Kf8 21. Nf2 Nh5 22. b3 Ra6 23. Rad1 Rad6 24. Re1 Nf4 25. Re3 Ng6 26. Rde2 Nf4 27. Rd2 Ng6 28. Rde2 1/2-1/2

