[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.28"]
[Round "9"]
[White "Matsuura, Everaldo"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2380"]
[BlackElo "2184"]
[PlyCount "47"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. h3 0-0 10. Be3 h6 11. Re1 Re8 12. Nbd2 Bb7 13. d5 Ne7 14. a4 c6 15. dxc6 Bxc6 16. axb5 axb5 17. Rxa8 Bxa8 18. Qe2 Bc6 19. Ra1 Qc7 20. Bc2 Bxe3 21. Qxe3 Ra8 22. Rxa8+ Bxa8 23. Qd3 Bc6 24. Nh2 1/2-1/2

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.27"]
[Round "8"]
[White "Marra, Eduardo da Costa"]
[Black "Labussiere, Yago"]
[Result "1/2-1/2"]
[ECO "B61"]
[WhiteElo "2184"]
[BlackElo "2184"]
[PlyCount "48"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 h6 8. Bxf6 gxf6 9. 0-0-0 Nxd4 10. Qxd4 Qa5 11. Kb1 Rc8 12. Bc4 Qc5 13. Bb3 Qxd4 14. Rxd4 e6 15. Rd3 a6 16. f4 Rg8 17. Rg3 Rxg3 18. hxg3 Bc6 19. f5 Ke7 20. Rh4 Bg7 21. Ne2 Rg8 22. Nd4 Bd7 23. fxe6 fxe6 24. a3 Rc8 1/2-1/2

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.26"]
[Round "7"]
[White "Marra, Eduardo da Costa"]
[Black "Guimaraes, Wagner Peixoto"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2184"]
[BlackElo "2140"]
[PlyCount "65"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. Be3 Bg7 8. Qd2 Nc6 9. 0-0-0 Bd7 10. g4 h6 11. f4 b5 12. Qg2 Qc8 13. Kb1 b4 14. Nd5 Nxd5 15. exd5 Na5 16. Qe4 0-0 17. f5 Nc4 18. Bc1 Rb8 19. Bxc4 Qxc4 20. b3 Qc5 21. Bb2 Rbc8 22. Rh2 Rfe8 23. fxg6 e5 24. gxf7+ Kxf7 25. Qh7 Rg8 26. Nf5 Bxf5 27. Qxf5+ Bf6 28. Rf1 Rg6 29. Rhf2 Kg7 30. Qd7+ Kg8 31. Qe6+ Kh7 32. Rxf6 Kg7 33. R6f2 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.25"]
[Round "6"]
[White "Mendes Domingues, Ribeiro Matheus"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2228"]
[BlackElo "2184"]
[PlyCount "41"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. d3 c5 7. Nge2 Nc6 8. 0-0 Rb8 9. h3 Ne8 10. Be3 Nc7 11. d4 b5 12. cxb5 Nxd4 13. Nxd4 cxd4 14. Bxd4 Nxb5 15. Bxg7 Kxg7 16. Nxb5 Rxb5 17. Qd4+ e5 18. Qxa7 Rxb2 19. a4 Rb6 20. Rfd1 Ra6 21. Qe3 1/2-1/2

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.25"]
[Round "5"]
[White "Soares, Joao Carlos TC"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1991"]
[BlackElo "2184"]
[PlyCount "59"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. Nxd4 d5 9. Bxf6 exf6 10. cxd5 Nd7 11. Be2 Nb6 12. Qb3 Re8 13. 0-0 a5 14. a4 Qd6 15. Ncb5 Qb4 16. Bd1 Rd8 17. Qxb4 axb4 18. Bb3 Bd7 19. Nc7 Ra5 20. Rfc1 Nxa4 21. Nce6 Rda8 22. Nc7 R8a7 23. Bxa4 Rxa4 24. Rxa4 Rxa4 25. Kf1 Bf8 26. Ke2 Ra2 27. Rc2 Bd6 28. Kd2 b3 29. Rc5 b6 30. Rc6 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.24"]
[Round "4"]
[White "Marra, Eduardo da Costa"]
[Black "Silva, Marcelo dos Santos"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2184"]
[BlackElo "1914"]
[PlyCount "75"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Bd3 cxd4 7. cxd4 Qd8 8. 0-0 Nf6 9. Nc3 b6 10. Ne5 Bb7 11. Qa4+ Nbd7 12. Re1 Be7 13. Nc6 Bxc6 14. Qxc6 0-0 15. Bf4 Re8 16. Rad1 Bb4 17. Qf3 Nd5 18. Nxd5 exd5 19. Rxe8+ Qxe8 20. Qxd5 Nf6 21. Qb3 Ba5 22. h3 b5 23. Be5 Qc6 24. d5 Qb6 25. Qc2 h6 26. d6 Nd7 27. Bg3 Re8 28. Bh7+ Kh8 29. Bf5 Qb7 30. Qb3 Kg8 31. Qa3 Bd8 32. Bxd7 Qxd7 33. Qxa6 Re2 34. b3 h5 35. h4 g5 36. hxg5 Bxg5 37. Qa8+ Re8 38. Qd5 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.23"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Bezerra, Natacio Goncalves"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2184"]
[BlackElo "1950"]
[PlyCount "76"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. c3 h6 7. 0-0 Ne7 8. Na3 Bh7 9. Nc2 Ng6 10. g3 Ne7 11. a4 g5 12. a5 Bg7 13. h4 gxh4 14. Nxh4 Nf5 15. Nxf5 Bxf5 16. Ne3 Bh7 17. b3 Qe7 18. a6 b6 19. c4 f6 20. Bh5+ Kd8 21. Ba3 c5 22. cxd5 fxe5 23. dxe6 exd4 24. Qf3 Rb8 25. Nf5 Bxf5 26. Qxf5 Ne5 27. Rad1 Qg5 28. Rxd4+ Kc7 29. Rf4 Rbf8 30. Qe4 Rxf4 31. Qb7+ Kd6 32. Rd1+ Kxe6 33. Qd5+ Kf5 34. Bf7 Rd4 35. Qe6+ Ke4 36. f3+ Kxf3 37. Rf1+ Kxg3 38. Bc1 Nf3+ 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.23"]
[Round "3"]
[White "Rodrigues, Julliano de Araujo"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1843"]
[BlackElo "2184"]
[PlyCount "56"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 0-0 8. Bc7 Qe7 9. Bd6 Bxd6 10. Qxd6 Qd8 11. 0-0-0 a6 12. Nd4 Na5 13. e5 Ne8 14. Qb4 Qg5+ 15. Kb1 Qxe5 16. f4 Qc7 17. g4 d5 18. Bd3 Nd6 19. Nf3 Nac4 20. Ne2 Bd7 21. Qe1 Qd8 22. b3 Na3+ 23. Kb2 Qe7 24. Bxh7+ Kxh7 25. Ng5+ Kg8 26. Qh4 Qf6+ 27. Kxa3 Nb5+ 28. Ka4 Nd4+ 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.22"]
[Round "1"]
[White "De Almeida, Roberto A Ferreira"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1804"]
[BlackElo "2184"]
[PlyCount "60"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nxe4 4. Bxf7+ Kxf7 5. Nxe4 d5 6. Qf3+ Kg8 7. Nh3 Be7 8. Nc3 Be6 9. 0-0 Nc6 10. d3 h6 11. Bd2 Kh7 12. Qh5 Qd7 13. Ng5+ Bxg5 14. Bxg5 Rhf8 15. Bd2 Rf5 16. Qh4 g5 17. Qh5 Qg7 18. f3 Nd4 19. Rac1 Rg8 20. Be3 g4 21. Qxh6+ Qxh6 22. Bxh6 gxf3 23. g3 Kxh6 24. Kf2 Rgf8 25. a4 Ne2 26. Nxe2 fxe2+ 27. Kxe2 Rxf1 28. Rxf1 Bg4+ 29. Ke1 Rxf1+ 30. Kxf1 Bd1 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.02"]
[Round "6"]
[White "Marra, Eduardo da Costa"]
[Black "Ticona Rocabado, Licael Roderick"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2175"]
[BlackElo "2371"]
[PlyCount "60"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 Nh6 7. Bd3 cxd4 8. 0-0 Bd7 9. b4 dxc3 10. Nxc3 Nd4 11. Be3 Nxf3+ 12. Qxf3 Qd8 13. Rfe1 a6 14. g3 Bc6 15. Bxh6 gxh6 16. Ne2 Bg7 17. Nd4 Ba4 18. h4 Qb6 19. Qg4 0-0 20. Re3 Kh8 21. Rae1 Rac8 22. h5 Rc3 23. Nf5 exf5 24. Qxf5 Rxd3 25. Qxd3 Qe6 26. f4 Bd7 27. Rc1 Qh3 28. Qxd5 Bc6 29. Rxc6 bxc6 30. Qxc6 Rc8 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.01"]
[Round "5"]
[White "Cueto Chajtur, Johny"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2095"]
[BlackElo "2175"]
[PlyCount "76"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bc2 Nc6 8. a4 a6 9. d3 Rb8 10. h3 b5 11. axb5 axb5 12. d4 Nd7 13. d5 Nce5 14. Nh2 b4 15. b3 c4 16. f4 bxc3 17. bxc4 Nxc4 18. Na3 Ra8 19. Nf3 Qb6+ 20. Kh1 Qc5 21. Nxc4 Rxa1 22. Ne3 Ba6 23. f5 Bh6 24. g4 Ne5 25. Kg2 Nxf3 26. Kxf3 Rb8 27. h4 Bg7 28. h5 Qd4 29. hxg6 hxg6 30. g5 Qxd1+ 31. Rxd1 Ra2 32. f6 exf6 33. gxf6 Bxf6 34. Rg1 Bd4 35. Rg2 Rbb2 36. Bxb2 cxb2 37. Nf5 Ra3+ 38. Kf4 Be5+ 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.30"]
[Round "3"]
[White "Carvalho, Celestino Jr"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1918"]
[BlackElo "2175"]
[PlyCount "130"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e3 d6 6. Bd3 Nbd7 7. 0-0 e5 8. h3 Qe7 9. Bc2 b6 10. b3 Bb7 11. d5 c6 12. dxc6 Bxc6 13. e4 Nc5 14. Re1 Qb7 15. Qe2 Nh5 16. b4 Ne6 17. b5 Bd7 18. Ba3 Nhf4 19. Qd1 Rfc8 20. Bb3 Nc5 21. Kh2 Be6 22. Ng5 Qe7 23. Nxe6 fxe6 24. g3 Nfd3 25. Rf1 Rf8 26. Qe2 Nf4 27. gxf4 exf4 28. Qf3 Nd7 29. e5 Nxe5 30. Qe4 Ng4+ 31. Kg1 Bxc3 32. Rac1 Nf6 33. Qxf4 Nh5 34. Qe3 Bf6 35. Rcd1 Rad8 36. f4 Ng7 37. Rfe1 Rfe8 38. Qe4 Nf5 39. Bb4 Qg7 40. Rd3 Bd4+ 41. Kh2 Qf6 42. Re2 Bc5 43. Bc3 Qh4 44. Qf3 Rd7 45. Bc2 Rf7 46. Qg4 Qd8 47. Rf3 Bd4 48. Bb4 Qc7 49. Bb3 Bc5 50. Bc3 e5 51. Bc2 Ref8 52. fxe5 dxe5 53. Be4 Nd4 54. Rxf7 Rxf7 55. Bxd4 exd4+ 56. Kg2 Kg7 57. Bd5 Re7 58. Qf3 Rxe2+ 59. Qxe2 Qf4 60. Qf3 Qg5+ 61. Kh1 d3 62. Qg4 Qc1+ 63. Kg2 Qg1+ 64. Kf3 Qf2+ 65. Ke4 Qe3# 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.30"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2175"]
[BlackElo "2553"]
[PlyCount "86"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be2 Bf5 6. Nf3 e6 7. 0-0 Bg6 8. Be3 Nh6 9. dxc5 Nf5 10. Bd4 Be7 11. Na3 0-0 12. Nb5 Nfxd4 13. cxd4 b6 14. Rc1 bxc5 15. dxc5 Qb8 16. Nbd4 Rc8 17. Qa4 Nxe5 18. Nxe5 Qxe5 19. Nc6 Qc7 20. Nxe7+ Qxe7 21. c6 a5 22. a3 Qd6 23. Rfd1 h6 24. Rd2 Qd8 25. Qd4 Qd6 26. Qa4 f6 27. h3 Kf8 28. Bd3 Bxd3 29. Rxd3 e5 30. Qe4 dxe4 31. Rxd6 Ra6 32. g4 Rc7 33. Rc4 Ke7 34. Rd7+ Rxd7 35. cxd7 Rb6 36. b4 axb4 37. Rxb4 Rxb4 38. d8Q+ Kxd8 39. axb4 g6 40. Kf1 Kc7 41. Ke2 Kc6 42. Kd2 Kb5 43. h4 h5 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.29"]
[Round "1"]
[White "Sanches de Carvalho, Fabio"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1838"]
[BlackElo "2175"]
[PlyCount "56"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 d6 4. Nc3 Bg7 5. e3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. b3 Re8 9. dxe5 dxe5 10. Qc2 e4 11. Nd4 c6 12. Bb2 Qa5 13. Rfe1 Qg5 14. g3 Nc5 15. h4 Qe5 16. b4 Na6 17. a3 Bg4 18. Rab1 Rad8 19. Nb3 Qh5 20. Rbd1 Bf3 21. Nd4 c5 22. Nxf3 exf3 23. Bf1 cxb4 24. Nb5 b3 25. Qb1 Nc5 26. Nd4 Nce4 27. Bd3 Qg4 28. Kh2 Nxf2 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.27"]
[Round "9"]
[White "Marques, Eudes Pinto"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1863"]
[BlackElo "2189"]
[PlyCount "111"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 0-0 5. Bg5 h6 6. Bxf6 Bxf6 7. Qd2 Bg7 8. e4 c5 9. d5 d6 10. h3 e6 11. Bd3 exd5 12. Nxd5 Nc6 13. 0-0 Be6 14. Rfe1 a6 15. Rad1 Kh7 16. a3 Rb8 17. b4 b6 18. Bc2 Nd4 19. Nxd4 Bxd4 20. Bd3 Qh4 21. Bf1 Bxd5 22. exd5 Qf6 23. Re4 Rbe8 24. Rf4 Qg7 25. Rf3 Re7 26. Bd3 Rfe8 27. g3 Qe5 28. Kg2 Kg7 29. bxc5 dxc5 30. a4 b5 31. axb5 axb5 32. Qf4 Qxf4 33. Rxf4 b4 34. Bc2 Re2 35. Ba4 Ra8 36. Bb3 Be5 37. Rf3 Ra6 38. Rdd3 Kf8 39. Bd1 Re1 40. Rfe3 Rxe3 41. fxe3 Ra2+ 42. Kf3 Ke7 43. h4 Rh2 44. e4 Kd6 45. Ba4 h5 46. Re3 Rd2 47. g4 Rh2 48. gxh5 gxh5 49. Bd1 Rxh4 50. Kg2 Rh2+ 51. Kf1 Rh1+ 52. Ke2 h4 53. Rf3 h3 54. Rxf7 h2 55. Rh7 Rg1 56. Rh6+ 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.26"]
[Round "8"]
[White "Marra, Eduardo da Costa"]
[Black "Carvalho, Celestino Jr"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2189"]
[BlackElo "1939"]
[PlyCount "136"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 Nbd7 6. e5 Ng4 7. e6 Ndf6 8. Ng5 Nh6 9. exf7+ Nxf7 10. Nxf7 Kxf7 11. h4 h5 12. Bc4+ d5 13. Nxd5 Be6 14. Ne3 Qd6 15. c3 c6 16. Qe2 b5 17. Bb3 Bh6 18. 0-0 Bxb3 19. axb3 a6 20. g3 Qe6 21. b4 g5 22. hxg5 Bxg5 23. Qf3 h4 24. Ng4 Qxg4 25. Qxg4 Nxg4 26. Bxg5 hxg3 27. fxg3+ Nf6 28. Rae1 Rhg8 29. Re5 a5 30. bxa5 Rxa5 31. Kg2 Ra6 32. Rfe1 Ra7 33. Bxf6 exf6 34. Rc5 Ra6 35. Re4 Rd8 36. Rh5 Ra2 37. Re2 b4 38. Kf3 bxc3 39. bxc3 Ra3 40. Re3 Ra1 41. Rc5 Rd6 42. Kg4 Ra8 43. Kf4 Ra1 44. Kg4 Rd1 45. Kf3 Rd2 46. Ra5 Rc2 47. Ra7+ Kg6 48. Kg4 Rd5 49. Ree7 Rg5+ 50. Kf4 Rf2+ 51. Ke4 Kh5 52. Rg7 Kg4 53. Rxg5+ fxg5 54. Ra5 Re2+ 55. Kd3 Re6 56. c4 Rf6 57. Ke4 Rf1 58. d5 Re1+ 59. Kd4 Rd1+ 60. Kc3 Rc1+ 61. Kb3 cxd5 62. Rxd5 Rg1 63. Rd3 Kh3 64. c5 g4 65. Kc4 Rf1 66. c6 Rf3 67. c7 Kxg3 68. c8Q Rxd3 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.25"]
[Round "7"]
[White "Seccafim, Caic Dos Santos"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "1986"]
[BlackElo "2189"]
[PlyCount "125"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Qe2 Bd6 8. Nc3 0-0 9. Nge4 Nxe4 10. Nxe4 Be7 11. Nc3 c6 12. Bd3 f5 13. Qxe5 Bf6 14. Qg3 Qe7+ 15. Ne2 c5 16. c3 c4 17. Bc2 Rae8 18. Bd1 Be5 19. f4 Bf6 20. 0-0 Qc5+ 21. Kh1 Qxd5 22. b4 Nc6 23. d4 Ne7 24. Ng1 Bc6 25. Nf3 Qe4 26. Re1 Qd5 27. Ne5 Bh4 28. Bf3 Bxg3 29. Bxd5+ Nxd5 30. hxg3 Nxc3 31. Be3 Ne4 32. Nxc4 Nxg3+ 33. Kh2 Ne4 34. Ne5 Bd5 35. a3 Re6 36. Rec1 g5 37. Rc7 Rh6+ 38. Kg1 gxf4 39. Bxf4 Rh4 40. Rf1 a6 41. Nd7 Rd8 42. Be5 Rg4 43. Rxf5 Bc6 44. Nf6+ Nxf6 45. Rxf6 Rxg2+ 46. Kf1 Rg4 47. Rff7 Be4 48. Kf2 Rf8 49. Rxf8+ Kxf8 50. Ke3 h5 51. Bf4 Bc6 52. Rh7 h4 53. Rh5 Kg7 54. Rg5+ Rxg5 55. Bxg5 h3 56. Bf4 Kf6 57. d5 Bxd5 58. a4 Bc6 59. a5 Ke6 60. Kf2 Kd5 61. Kg1 Ke4 62. Bd6 Kd5 63. Bf8 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.24"]
[Round "6"]
[White "Marra, Eduardo da Costa"]
[Black "Felix, Joao Eduardo Orland"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2189"]
[BlackElo "1703"]
[PlyCount "53"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8. 0-0-0 d6 9. Nxc6 bxc6 10. Bc4 e5 11. h3 Be6 12. Bb3 Be7 13. g4 h6 14. Bxe6 fxe6 15. h4 d5 16. exd5 exd5 17. g5 Nd7 18. Qh5+ Kd8 19. Qf7 Re8 20. Nxd5 cxd5 21. Rxd5 Rc8 22. c3 Ba3 23. Bb6 Bxb2+ 24. Kc2 Re7 25. Qf8+ Re8 26. Qd6 Re7 27. Kxb2 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.23"]
[Round "5"]
[White "Ribeiro, Davison Soares"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1989"]
[BlackElo "2189"]
[PlyCount "108"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nc3 a6 4. Nf3 e6 5. a3 c5 6. e3 Nc6 7. dxc5 Bxc5 8. Bd3 Bd6 9. Bxd6 Qxd6 10. e4 d4 11. Ne2 e5 12. Ng3 h6 13. 0-0 Be6 14. Nh4 Ne7 15. Qe2 g5 16. Nhf5 Bxf5 17. exf5 0-0 18. Rfe1 Nc6 19. Ne4 Nxe4 20. Qxe4 Qf6 21. Qg4 Kh8 22. Re4 Rac8 23. Rae1 Rg8 24. Qh5 b5 25. Rg4 Rce8 26. h4 Re7 27. Ree4 Nb8 28. hxg5 Rxg5 29. Qh2 Rxg4 30. Rxg4 Nd7 31. Rh4 Kg7 32. Rg4+ Kh7 33. Rh4 Re8 34. b4 Nf8 35. Be4 Qg5 36. g3 Rd8 37. Rh5 Qc1+ 38. Kg2 Rd6 39. Qh4 f6 40. Qg4 Rd7 41. Qh4 Rd6 42. Qg4 Rd7 43. Rh1 Qd2 44. Qh5 Re7 45. Qf3 Kg7 46. Rh5 Nh7 47. Rh1 Ng5 48. Qg4 Kh7 49. Rd1 Qc3 50. Rh1 Rg7 51. Rxh6+ Kg8 52. Qh5 Nf7 53. Rg6 d3 54. cxd3 Nh8 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "3"]
[White "Da Silva, Lucas Pereira Mende"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1974"]
[BlackElo "2189"]
[PlyCount "99"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. Nxe4 Nf6 6. Nxf6+ Bxf6 7. Nf3 0-0 8. Bd3 Nc6 9. Be3 Qd6 10. Qd2 e5 11. d5 Nd4 12. Bxd4 exd4 13. 0-0 Re8 14. Rae1 Bd7 15. Ng5 Bxg5 16. Qxg5 h6 17. Qh4 c5 18. f4 Re3 19. Rxe3 dxe3 20. f5 f6 21. Qf4 Qe7 22. Re1 Re8 23. g4 Qe5 24. Qxe5 Rxe5 25. Kg2 g5 26. Kf3 Kf7 27. Be4 Ke7 28. Rxe3 Kd6 29. Ra3 a6 30. Rb3 Ba4 31. Rb6+ Kc7 32. Rxf6 Bd1+ 33. Ke3 Bxg4 34. b4 b6 35. bxc5 bxc5 36. Kd3 Be2+ 37. Ke3 Bxc4 38. Rc6+ Kd7 39. Rxc5 Bb5 40. Kd4 Re8 41. f6 Kd6 42. f7 Rb8 43. Rc2 Ke7 44. Rf2 Rf8 45. Bg6 g4 46. Rf4 Bd7 47. Bh5 Rb8 48. Ke5 Kf8 49. Kd6 Rb7 50. Re4 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "4"]
[White "Marra, Eduardo da Costa"]
[Black "De Paula, Luan Araujo"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2189"]
[BlackElo "1863"]
[PlyCount "57"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. c3 Nc6 7. 0-0 Be7 8. Na3 h5 9. Nc2 Nh6 10. dxc5 Bxc5 11. Ncd4 Be4 12. Ng5 Nxe5 13. Bb5+ Ke7 14. Ngxe6 Qd6 15. Nxc5 Qxc5 16. f3 Bg6 17. Re1 f6 18. f4 Be4 19. Be3 Qd6 20. fxe5 fxe5 21. Bg5+ Kf8 22. Rxe4 dxe4 23. Qb3 g6 24. Rf1+ Kg7 25. Rf6 Qc5 26. Qe6 exd4 27. Rxg6+ Kf8 28. Bxh6+ Rxh6 29. Rg8# 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.21"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "De Oliveira, Jairo Quintiliano"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2189"]
[BlackElo "1840"]
[PlyCount "93"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Bd7 7. 0-0 Be7 8. Nbd2 0-0 9. Re1 Re8 10. Nf1 Bf8 11. Bg5 h6 12. Bh4 g5 13. Bg3 Bg7 14. Ne3 Ne7 15. Bxd7 Qxd7 16. h4 Nh7 17. d4 Qe6 18. dxe5 dxe5 19. hxg5 hxg5 20. Qb3 Qxb3 21. axb3 f6 22. Nd2 Nf8 23. Ndc4 Kf7 24. b4 Ke6 25. Na5 Rab8 26. Red1 Nfg6 27. Nb3 Kf7 28. Rd7 Rec8 29. Nf5 Bf8 30. Nc5 Ke8 31. Rad1 Nxf5 32. exf5 Bxc5 33. fxg6 Bd6 34. Rh7 b5 35. Kf1 Kf8 36. Ke2 Kg8 37. f3 Rf8 38. Bf2 Rbd8 39. Ra1 Ra8 40. g4 Rfe8 41. Kd3 Re7 42. Rah1 Rxh7 43. gxh7+ Kh8 44. Ke4 a5 45. bxa5 Rxa5 46. Kf5 Ra2 47. Kg6 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.20"]
[Round "1"]
[White "Deretti, Lucas Jurk"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1548"]
[BlackElo "2189"]
[PlyCount "56"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 0-0 8. Bd6 Qb6 9. Bxc5 Qxc5 10. Qd6 Qb6 11. Qd2 d5 12. exd5 exd5 13. 0-0-0 Be6 14. f3 Rac8 15. Kb1 a6 16. Na4 Qd8 17. Nd4 Qd6 18. g4 Rfe8 19. h4 Bxg4 20. fxg4 Ne4 21. Qh2 Qb4 22. Nb3 Qxa4 23. Rxd5 Nf6 24. Rc5 Nb4 25. Rxc8 Qxa2+ 26. Kc1 Rxc8 27. Nd4 Qa1+ 28. Kd2 Qxb2 0-1

[Event "BRA-ch 89th"]
[Site "Recife"]
[Date "2023.12.17"]
[Round "7"]
[White "Marra, Eduardo da Costa"]
[Black "Matsuura, Everaldo"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2170"]
[BlackElo "2418"]
[PlyCount "168"]
[EventDate "2023.12.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. d3 Be7 7. c3 0-0 8. h3 b5 9. Bc2 Bb7 10. a4 Re8 11. Qe2 Bf8 12. Bg5 h6 13. axb5 axb5 14. Rxa8 Bxa8 15. Bxf6 Qxf6 16. Na3 Rb8 17. Ra1 Qd8 18. Nd2 d5 19. exd5 Qxd5 20. Qf3 Ne7 21. Qxd5 Nxd5 22. Nf3 f6 23. d4 b4 24. Nb5 bxc3 25. Nxc3 Nf4 26. dxe5 Bxf3 27. gxf3 Rxb2 28. Bf5 g6 29. Bd7 fxe5 30. Ne4 Rb3 31. Ra7 Bd6 32. Ra6 Rd3 33. h4 Kf7 34. Bb5 Rd1+ 35. Kh2 Ke7 36. Ra8 Rb1 37. Re8+ Kf7 38. Rb8 Rc1 39. Ba4 Ra1 40. Bb3+ Ke7 41. Rh8 Ra3 42. Rh7+ Kd8 43. Bc4 Kc8 44. Rxh6 Rxf3 45. Bf7 Kd7 46. Bxg6 Rh3+ 47. Kg1 Nxg6 48. Rxg6 Rxh4 49. f3 Kc6 50. Kf2 Rh1 51. Ke3 Ra1 52. Rf6 Ra3+ 53. Kd2 Kd5 54. Nc3+ Kc4 55. Ne4 Ra2+ 56. Ke1 Bb4+ 57. Kf1 c5 58. f4 Kd5 59. Nxc5 Bxc5 60. fxe5 Kxe5 61. Rf3 Ke4 62. Rh3 Be3 63. Rh4+ Kf3 64. Rh3+ Kf4 65. Rh4+ Kg3 66. Rh7 Bf4 67. Ke1 Kf3 68. Rh3+ Ke4 69. Rh7 Be3 70. Kf1 Kd3 71. Rd7+ Bd4 72. Rf7 Be3 73. Rf8 Ke4 74. Rf7 Bf4 75. Ke1 Kf3 76. Rd7 Rc2 77. Rd1 Rh2 78. Rd3+ Be3 79. Kd1 Ke4 80. Rd7 Bd4 81. Ke1 Kd3 82. Kf1 Rf2+ 83. Ke1 Rf8 84. Rd6 Rg8 0-1

[Event "BRA-ch 89th"]
[Site "Recife"]
[Date "2023.12.14"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Mekhitarian, Krikor Sevag"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2170"]
[BlackElo "2559"]
[PlyCount "73"]
[EventDate "2023.12.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Nfd7 8. Bg2 Nc6 9. Nxc6 bxc6 10. b3 Be7 11. Bb2 e5 12. g5 Nc5 13. h4 h6 14. gxh6 Rxh6 15. h5 a5 16. a4 Ne6 17. Ne2 Ba6 18. Ng3 Nf4 19. Bf1 Bxf1 20. Kxf1 g6 21. Qf3 Qd7 22. Rd1 Qe6 23. Bc1 Bg5 24. Ne2 Rxh5 25. Nxf4 Bxf4 26. Rxh5 gxh5 27. Bxf4 exf4 28. Qxf4 0-0-0 29. Rd3 d5 30. Rf3 dxe4 31. Re3 f5 32. Rg3 Rd5 33. Rg5 Qe5 34. Qxe5 Rxe5 35. Rxh5 Rc5 36. Ke1 Rxc2 37. Rxf5 1/2-1/2

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.10"]
[Round "9"]
[White "Fier, Alexandr"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2592"]
[BlackElo "2174"]
[PlyCount "91"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. Nd2 g6 9. Nf3 Bg7 10. c4 Ba6 11. Qc2 Nb6 12. Be2 0-0 13. 0-0 Qe6 14. b3 d6 15. Ba3 Rfe8 16. Rad1 h6 17. Nd4 Qxe5 18. Bf3 Qa5 19. Bc1 d5 20. Bd2 Qc5 21. Be3 Rxe3 22. fxe3 dxc4 23. Nxc6 Re8 24. Rfe1 c3 25. b4 Qg5 26. Qf2 Bc4 27. e4 Bb5 28. h4 Qf6 29. e5 Qe6 30. Nd4 Qc4 31. Be2 Qxb4 32. Bxb5 Rxe5 33. Rxe5 Bxe5 34. Bf1 Qa4 35. Rd3 c5 36. Nf3 Bf6 37. Qxc5 Qxa2 38. h5 gxh5 39. Nd4 Nd5 40. Nf5 c2 41. Rg3+ Bg5 42. Nxh6+ Kh7 43. Bd3+ Kg7 44. Rxg5+ Kxh6 45. Rg3 Qa1+ 46. Kh2 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.09"]
[Round "8"]
[White "Marra, Eduardo da Costa"]
[Black "Sedlmayr, David"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2174"]
[BlackElo "1965"]
[PlyCount "63"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. 0-0 d5 5. Bb5 a6 6. Bxc6+ bxc6 7. Nc3 Ne7 8. b3 Ng6 9. Ba3 Be7 10. Qe1 0-0 11. Na4 c4 12. Bxe7 Qxe7 13. Qe3 Rb8 14. Rfe1 dxe4 15. Qxe4 cxb3 16. axb3 Rb4 17. d4 Bb7 18. Nc5 Rd8 19. c3 Rb5 20. b4 Ra8 21. g3 a5 22. bxa5 Rxc5 23. dxc5 Qxc5 24. Reb1 Qxc3 25. Qd4 Qxd4 26. Nxd4 Ra7 27. Rb6 Kf8 28. a6 Ba8 29. Nb3 Ne5 30. Nc5 Ke7 31. Rd1 g5 32. Rb7+ 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.08"]
[Round "7"]
[White "Saraiva, Alexandre Pacheco"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1872"]
[BlackElo "2174"]
[PlyCount "84"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 0-0 5. g3 d6 6. Bg2 c6 7. 0-0 Bf5 8. Re1 Ne4 9. Nh4 Nxc3 10. bxc3 Be6 11. Qd3 Qa5 12. e4 Nd7 13. Bd2 Nb6 14. d5 Bd7 15. Bf1 Rac8 16. Rec1 Na4 17. f4 cxd5 18. cxd5 Bxc3 19. Bxc3 Rxc3 20. Rxc3 Nxc3 21. Qd4 Rc8 22. Kg2 Bb5 23. Bd3 Qa3 24. Rf1 Bxd3 25. Qxd3 Qxa2+ 26. Rf2 Qc4 27. Qxc4 Rxc4 28. Rc2 b5 29. Kf3 a5 30. Ng2 b4 31. Ne3 Rc5 32. Rb2 Kf8 33. g4 Ke8 34. h4 e6 35. dxe6 fxe6 36. f5 exf5 37. exf5 d5 38. fxg6 hxg6 39. Ng2 Rc4 40. Nf4 a4 41. Nd3 b3 42. Ne5 Rb4 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.07"]
[Round "5"]
[White "Marra, Eduardo da Costa"]
[Black "De Albuquerque, Ian Telek C"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2174"]
[BlackElo "2012"]
[PlyCount "116"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. Be3 Bg7 8. Qd2 0-0 9. Bd3 Nc6 10. 0-0 Nxd4 11. Bxd4 e5 12. Be3 d5 13. exd5 Nxd5 14. Bh6 Bxh6 15. Qxh6 Nxc3 16. bxc3 f5 17. Bc4+ Kh8 18. Rad1 Qe7 19. Rfe1 e4 20. Qf4 b5 21. Bb3 a5 22. Rd6 a4 23. Bd5 g5 24. Qd2 Qxd6 25. Qd4+ Rf6 26. Bxa8 Qxd4 27. cxd4 Ra6 28. Bd5 Rd6 29. c4 bxc4 30. Bxc4 Rxd4 31. Rc1 Kg7 32. a3 h6 33. Bb5 Be6 34. Kf1 Kf6 35. Ke2 Ke5 36. Rc5+ Bd5 37. Ba6 Kd6 38. Rc8 Be6 39. Rh8 Kc5 40. Bc8 Bxc8 41. Rxc8+ Kb5 42. Rf8 Rd5 43. g4 fxg4 44. hxg4 Kc4 45. Ke3 Rd3+ 46. Kxe4 Rxa3 47. Rf6 Rh3 48. Rc6+ Kb3 49. Rb6+ Kc2 50. Rc6+ Kb2 51. Rb6+ Rb3 52. Rxh6 a3 53. f4 Rb4+ 54. Kf5 gxf4 55. Rh2+ Kb3 56. Rh3+ Ka4 57. g5 a2 58. Rh8 Rb5+ 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.07"]
[Round "6"]
[White "Marra, Eduardo da Costa"]
[Black "De Souza, Felipe Guimaraes"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2174"]
[BlackElo "2016"]
[PlyCount "100"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 e6 5. Nf3 c5 6. a3 Nc6 7. h3 Bd6 8. dxc5 Bxc5 9. Bd3 b5 10. e4 b4 11. Na4 Be7 12. e5 Nd7 13. axb4 Nxb4 14. Be2 Qc7 15. Rc1 Bb7 16. 0-0 Rd8 17. Qd2 Nc6 18. Rfe1 Nb6 19. Ra1 d4 20. Bg5 Bxg5 21. Qxg5 0-0 22. Bd3 h6 23. Qd2 Nd7 24. Qf4 Rfe8 25. Qe4 Nf8 26. Nc5 Ba8 27. Nxa6 Qb6 28. Qe2 Bb7 29. Ra3 Ng6 30. Rb3 Qa7 31. Nc7 Nf4 32. Qd2 Nxd3 33. Rxd3 Re7 34. Nb5 Qb6 35. Nbxd4 Nxd4 36. Rxd4 Ree8 37. Rd1 Rxd4 38. Qxd4 Qc7 39. Qd7 Qb8 40. Rd3 Be4 41. Rb3 Qa8 42. Ra3 Qb8 43. Qa4 Bxf3 44. Rxf3 Rd8 45. Qf4 Qxb2 46. Qxf7+ Kh7 47. Qxe6 Rd1+ 48. Kh2 Qxc2 49. Rf8 Qe4 50. Qg8+ Kg6 1/2-1/2

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.06"]
[Round "4"]
[White "Bassani, Eduardo"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1875"]
[BlackElo "2174"]
[PlyCount "72"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. a4 c6 7. Ng5 0-0 8. Bxf7+ Rxf7 9. Ne6 Qa5 10. Bd2 Nxe4 11. Nxe4 Qd5 12. N6g5 Bxg5 13. Nxg5 Qxg2 14. Rf1 Re7 15. Qe2 Nf6 16. 0-0-0 Bg4 17. Qc4+ Qd5 18. Qxd5+ cxd5 19. f3 Bf5 20. f4 Rc8 21. Bc3 e4 22. Rde1 Rec7 23. h4 h6 24. Re3 Ng4 25. Rg3 hxg5 26. fxg5 Be6 27. Rf4 Nh2 28. h5 Rf8 29. Rxf8+ Kxf8 30. Bb4 Ke7 31. g6 Rc8 32. h6 gxh6 33. g7 Ng4 34. Bd2 Rg8 35. Bf4 Rxg7 36. Bxh6 Rf7 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.05"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Martins de Aguiar, Marina"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2174"]
[BlackElo "1858"]
[PlyCount "95"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Be3 0-0 8. Be2 d5 9. exd5 exd5 10. 0-0 a6 11. h3 Qc7 12. Qd2 Rd8 13. Rfd1 Ne4 14. Qe1 Nxc3 15. Qxc3 Bf6 16. Qb3 Na5 17. Qb4 Nc4 18. Qc3 Be5 19. Bxc4 dxc4 20. Nb5 Bh2+ 21. Kh1 Rxd1+ 22. Rxd1 axb5 23. f4 Bg3 24. Qe5 Bg4 25. Qxc7 Bxd1 26. Qxb7 Rd8 27. Qe7 Rf8 28. Qg5 Be1 29. Bd4 f6 30. Qd5+ Kh8 31. Bc5 Re8 32. Qxd1 Bg3 33. Be3 h6 34. Qf3 Be1 35. Kh2 c3 36. bxc3 Bxc3 37. Bc5 Bd2 38. g3 Rc8 39. Qd5 Bc1 40. Kg2 Re8 41. Kf3 Rc8 42. Kg4 Bb2 43. Kh5 Re8 44. Kg6 Rg8 45. f5 Be5 46. g4 Rc8 47. Qd7 Rg8 48. Bf8 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.05"]
[Round "3"]
[White "Santiago, Yago de Moura"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2472"]
[BlackElo "2174"]
[PlyCount "61"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 0-0 6. Bd3 c5 7. d5 e6 8. Nge2 Nbd7 9. f4 exd5 10. exd5 a6 11. a4 Re8 12. 0-0 h6 13. Bh4 Nf8 14. h3 Bd7 15. Qc2 Qc8 16. Bxf6 Bxf6 17. f5 g5 18. h4 Qd8 19. Ne4 Rxe4 20. Bxe4 Qe7 21. Rae1 Bxa4 22. Qb1 Re8 23. Nc3 Bd7 24. Bd3 Bd4+ 25. Kh1 Qd8 26. Ne4 Be5 27. hxg5 Nh7 28. f6 hxg5 29. Nxd6 Nxf6 30. Nxe8 Ng4 31. Rxe5 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.27"]
[Round "4"]
[White "Marra, Eduardo da Costa"]
[Black "Calsing, Ado"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2191"]
[BlackElo "1886"]
[PlyCount "53"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Rg1 Nc6 8. Be3 a6 9. Nxc6 bxc6 10. Qf3 Nd7 11. 0-0-0 Be7 12. Qh3 g5 13. Bc4 Ne5 14. Bb3 Bd7 15. Qg3 Ng6 16. Na4 c5 17. Nc3 0-0 18. Rxd6 Bxd6 19. Qxd6 c4 20. Bxc4 Qc8 21. Bb3 Bc6 22. h4 Nxh4 23. Rh1 Qd7 24. Qe5 Rfd8 25. Qf6 Ng6 26. Rxh6 Bxe4 27. f3 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.27"]
[Round "5"]
[White "Tomiello, Mateus Costamilan"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2137"]
[BlackElo "2191"]
[PlyCount "188"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d4 d6 6. Nf3 c6 7. 0-0 Bf5 8. Nh4 Be6 9. d5 cxd5 10. cxd5 Bd7 11. e4 b5 12. a3 a5 13. Qe2 Qb6 14. h3 Na6 15. Be3 Qb8 16. Rfd1 Ne8 17. Nf3 Nc5 18. Bxc5 dxc5 19. e5 b4 20. Ne4 Bb5 21. Qe3 Bxe5 22. Nxe5 Qxe5 23. Qxc5 Ba4 24. Qd4 Qb8 25. Re1 Nd6 26. Nc5 Qb6 27. Ne6 Qxd4 28. Nxd4 Rfe8 29. axb4 axb4 30. b3 Bd7 31. Rxa8 Rxa8 32. Rxe7 Ra1+ 33. Kh2 Be8 34. Nc6 Rb1 35. Re3 Rb2 36. Nxb4 Rxf2 37. g4 Kf8 38. Kg3 Rb2 39. Nc6 h5 40. Ne5 Bb5 41. Bf3 g5 42. Bh1 f5 43. Rc3 f4+ 44. Kf3 Be2+ 45. Kf2 Bxg4+ 46. Kg1 Bf5 47. Bf3 Bxh3 48. Bxh5 Bf5 49. Bf3 Ne4 50. Rc7 Nd6 51. Rc3 Ke7 52. Nc4 Rb1+ 53. Kf2 g4 54. Bg2 f3 55. Bxf3 gxf3 56. Nxd6 Kxd6 57. Kxf3 Kxd5 58. Kf4 Be6 59. Ke3 Ke5 60. Rc5+ Kd6 61. Rb5 Kc6 62. Rb8 Bxb3 63. Kd4 Rd1+ 64. Kc3 Bd5 65. Rc8+ Kd6 66. Rd8+ Kc5 67. Rc8+ Bc6 68. Kc2 Rd4 69. Kc3 Rh4 70. Kb3 Rh3+ 71. Kb2 Kd5 72. Ka2 Bb5 73. Kb2 Bc4 74. Kc2 Kd4 75. Rd8+ Bd5 76. Kd2 Rd3+ 77. Kc2 Ra3 78. Kb1 Ra5 79. Kc2 Ra2+ 80. Kb1 Rf2 81. Ka1 Rd2 82. Rh8 Bc4 83. Rh4+ Kc3 84. Rh3+ Kb4 85. Kb1 Bb3 86. Kc1 Rc2+ 87. Kb1 Ka3 88. Rh8 Rd2 89. Ra8+ Ba4 90. Rc8 Rh2 91. Kc1 Bb3 92. Rb8 Rc2+ 93. Kb1 Rc4 94. Rb7 Ba2+ 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.26"]
[Round "3"]
[White "Escalante, Vitor Gabriel Arauj"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1829"]
[BlackElo "2191"]
[PlyCount "80"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Nc3 a6 5. Bxd7+ Bxd7 6. d3 g6 7. 0-0 Bg7 8. Re1 e5 9. h3 Ne7 10. Bg5 f6 11. Be3 0-0 12. Nh2 Be6 13. f4 b6 14. fxe5 dxe5 15. Qd2 Nc6 16. Bh6 Bxh6 17. Qxh6 Nd4 18. Rac1 Ra7 19. Qe3 Qd6 20. a3 Rc7 21. Ne2 Kg7 22. Nf3 Rd8 23. Qf2 b5 24. Rf1 Nxe2+ 25. Qxe2 c4 26. Rfd1 cxd3 27. cxd3 Rxc1 28. Rxc1 Qxd3 29. Qxd3 Rxd3 30. Rc6 Bxh3 31. Rxa6 Bg4 32. Kf2 Bxf3 33. Ra7+ Kh6 34. gxf3 Rd2+ 35. Kg3 Rxb2 36. Rf7 Kg5 37. Rxh7 Rb3 38. Rb7 f5 39. exf5 gxf5 40. Kf2 Kf4 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.26"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Boabaid, Jorge Alberto Duard"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2191"]
[BlackElo "1746"]
[PlyCount "108"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. a4 a5 7. h3 0-0 8. 0-0 h6 9. Ne2 d5 10. exd5 Nxd5 11. Ng3 Be6 12. Re1 Bd6 13. c3 Nf4 14. Bb5 Qf6 15. Ne4 Qg6 16. Nh4 Qh5 17. Bxf4 Qxd1 18. Raxd1 exf4 19. Nxd6 cxd6 20. d4 Bb3 21. Rd2 Rfe8 22. Rde2 Rxe2 23. Rxe2 g6 24. Nf3 Kf8 25. Nd2 Bd5 26. Kf1 Ne7 27. Nc4 Bxc4 28. Bxc4 Re8 29. Bb5 Rc8 30. Re4 g5 31. Ke2 Rc7 32. Kd3 Kg7 33. Re2 Nd5 34. Ke4 Nb6 35. Kf5 Nd5 36. h4 Ne7+ 37. Kg4 f5+ 38. Kh3 Kf6 39. f3 Nd5 40. Bd3 Ne3 41. g3 g4+ 42. fxg4 fxg4+ 43. Kh2 Nf1+ 44. Kg2 Nxg3 45. Re8 Kg7 46. Re6 h5 47. Rg6+ Kf7 48. Rxd6 Re7 49. Rd5 Re3 50. Bc4 Kf6 51. Rd6+ Ke7 52. Rd5 Kf6 53. Rd6+ Ke7 54. Rd5 Kf6 1/2-1/2

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.25"]
[Round "1"]
[White "Ribeiro, Luiz Felipe Roballo"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1522"]
[BlackElo "2191"]
[PlyCount "126"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Nxc8+ Rxc8 9. Bg5 Qb6 10. Qd2 Bxf2+ 11. Qxf2 Qxb2 12. Rd1 Qxc3+ 13. Qd2 Qxd2+ 14. Rxd2 h6 15. Bxf6+ gxf6 16. Bb5 Ne5 17. 0-0 Rc5 18. Rb1 Rhc8 19. Bd3 b6 20. a4 R8c6 21. Rbd1 Rd6 22. Bb5 Rxd2 23. Rxd2 d6 24. h3 Rc3 25. Kf2 Nd7 26. a5 bxa5 27. Bxd7 Kxd7 28. Ke2 Kc6 29. Kd1 Rc5 30. Rd4 f5 31. exf5 Rxf5 32. Rh4 h5 33. g4 hxg4 34. Rxg4 Rf3 35. Rh4 e5 36. Rh8 a4 37. Kc1 a3 38. Kb1 Rf2 39. h4 a2+ 40. Kxa2 Rxc2+ 41. Kb3 Rh2 42. h5 Kd5 43. h6 f5 44. h7 f4 45. Kc3 a5 46. Ra8 Rxh7 47. Rxa5+ Ke6 48. Kd3 Rh3+ 49. Ke2 d5 50. Ra6+ Kf5 51. Ra5 d4 52. Kf2 Ke4 53. Ra4 Rh2+ 54. Kg1 Rb2 55. Kf1 f3 56. Ke1 Ke3 57. Ra1 d3 58. Kf1 e4 59. Re1+ Kf4 60. Rd1 e3 61. Kg1 Kg3 62. Kh1 Rh2+ 63. Kg1 f2+ 0-1

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Subervi Nunez, Jonathan Sigfredo"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2191"]
[BlackElo "2047"]
[PlyCount "98"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d6 7. d5 e5 8. dxe6 Bxe6 9. Nd4 Bc8 10. b3 c6 11. Bb2 Na6 12. e3 Nc5 13. Nce2 Qe7 14. c4 a5 15. Qc2 Nfe4 16. Rad1 Bd7 17. Nc3 h5 18. Nxe4 fxe4 19. Ne2 Bxb2 20. Qxb2 Nd3 21. Qd4 Bf5 22. Nf4 Nxf4 23. exf4 Rad8 24. Rfe1 d5 25. cxd5 cxd5 26. Qb6 Qb4 27. Qd4 Rfe8 28. h3 Qxd4 29. Rxd4 Kf7 30. Rc1 Rd7 31. Kf1 Re6 32. Ke2 Rc6 33. Kd2 Rxc1 34. Kxc1 Rc7+ 35. Kd1 Ke6 36. Rd2 b5 37. Ke2 Rc3 38. Kd1 b4 39. Rd4 Kd6 40. Rd2 Kc5 41. Bf1 d4 42. h4 d3 43. Ke1 Kd4 44. Rd1 Rc2 45. Rd2 Rc1+ 46. Rd1 Rc2 47. Rd2 Kc3 48. Rd1 Bg4 49. Rb1 d2# 0-1

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "2"]
[White "Morefield, Jason P"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2226"]
[BlackElo "2191"]
[PlyCount "107"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. c4 d6 6. d3 Nf6 7. Nc3 Qd7 8. a3 0-0 9. Rb1 a5 10. Nd5 Nxd5 11. cxd5 Nd4 12. Nd2 Qg4 13. f3 Qh5 14. e3 Nb5 15. f4 Bg4 16. Qb3 Nc7 17. Qxb7 Rfc8 18. Qb3 a4 19. Qc4 Rcb8 20. b4 axb3 21. Rxb3 Bh3 22. Bxh3 Qxh3 23. Rxb8+ Rxb8 24. Qe4 Qd7 25. Nc4 f5 26. Qf3 Rb3 27. Qd1 Qb5 28. g4 Nxd5 29. gxf5 gxf5 30. Kh1 Nf6 31. Rf3 Qb7 32. Kg1 Rb1 33. Rg3 Kh8 34. Qc2 Nd5 35. Kf2 Bf6 36. e4 fxe4 37. dxe4 Bd4+ 38. Kg2 Nf6 39. Nd2 Ra1 40. Nb3 Rxc1 41. Nxc1 Nxe4 42. Rf3 Nf6 43. Qd3 Qb2+ 44. Ne2 Kg7 45. Kh3 Kf7 46. Rg3 Qa1 47. Nxd4 Qf1+ 48. Qxf1 cxd4 49. Kg2 Ne4 50. Qd3 d5 51. Qxd4 Nf6 52. Qe5 e6 53. f5 Nd7 54. Qxe6+ 1-0

[Event "Titled Tuesday intern op 15th Aug Late"]
[Site "Chess.com INT"]
[Date "2023.08.15"]
[Round "1"]
[White "Phillips, Rene"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1852"]
[BlackElo "2191"]
[PlyCount "94"]
[EventDate "2023.08.15"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 4. Nc3 a6 5. Rb1 cxd4 6. exd4 d6 7. Nf3 g6 8. Be2 Bg7 9. 0-0 0-0 10. Qd2 Re8 11. Bh6 Bh8 12. Rfe1 Nc6 13. d5 Ne5 14. Nxe5 dxe5 15. Bf3 Ng4 16. Bg5 f6 17. Bh4 Bg7 18. Bg3 Nh6 19. h3 Nf5 20. Bh2 Nd4 21. Bd1 Bd7 22. Ne2 Nf5 23. c4 a5 24. Bc2 Rad8 25. b4 axb4 26. Rxb4 Qc7 27. Reb1 Bc8 28. Bxf5 gxf5 29. Nc3 f4 30. Nb5 Qc5 31. Na7 Qxa7 32. Qc2 Qc5 33. Rb5 Qc7 34. Kh1 Rd6 35. f3 Ra6 36. Bg1 Qd7 37. Kh2 e6 38. a4 exd5 39. Rxd5 Qf7 40. a5 Be6 41. Rdb5 Re7 42. Bc5 Rd7 43. Rb6 Rxb6 44. axb6 Bxc4 45. Ra1 Rd8 46. Rd1 Rxd1 47. Qxd1 Qd5 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.06"]
[Round "5"]
[White "El Debs, Felipe de Cresce"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2527"]
[BlackElo "2191"]
[PlyCount "79"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Bg4 8. d5 a5 9. Ne1 Bd7 10. Nd3 Na6 11. Bg5 h6 12. Be3 b6 13. Qd2 Kh7 14. f3 Nc5 15. Bd1 Nh5 16. g3 Qe8 17. Bc2 f5 18. exf5 gxf5 19. Rae1 Qg6 20. Kh1 Nxd3 21. Bxd3 Rae8 22. Bc2 Kh8 23. g4 Nf6 24. gxf5 Bxf5 25. Bxf5 Qxf5 26. Bxh6 Rf7 27. Bg5 Nh5 28. Ne4 Ref8 29. Qg2 Kh7 30. Rg1 Bh6 31. Ref1 Rg7 32. Qg4 Nf4 33. Qxf5+ Rxf5 34. Nf6+ Rxf6 35. Bxf6 Rf7 36. Bd8 Ne2 37. Rg2 Nd4 38. Bg5 e4 39. Bxh6 Kxh6 40. Rg4 1-0

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.05"]
[Round "4"]
[White "Marra, Eduardo da Costa"]
[Black "Cabral, Gieds Nogueira"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2191"]
[BlackElo "1978"]
[PlyCount "99"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 Bg4 8. Be3 Nbd7 9. Qd2 Rc8 10. h3 Bxf3 11. Bxf3 Qc7 12. Be2 a6 13. a5 e5 14. dxe5 dxe5 15. Bc4 Nh5 16. Rfd1 Ndf6 17. Qe2 Nf4 18. Qf3 N6h5 19. Na4 Ne6 20. c3 Qe7 21. b4 Rfd8 22. Nc5 Nhf4 23. Kh2 Nxc5 24. Bxc5 Qh4 25. Bb6 Rxd1 26. Rxd1 Qe7 27. Qg4 Ne6 28. Rd3 h5 29. Qd1 Nf8 30. Bc5 Qg5 31. Be3 Qe7 32. Bb6 Re8 33. Bd8 Rxd8 34. Rxd8 Qg5 35. Qd2 Qh4 36. Rb8 Qxe4 37. Qe2 Qf4+ 38. g3 Qf5 39. Rxb7 Ne6 40. h4 e4 41. Qe3 Be5 42. Bxe6 Qxe6 43. Kg2 Qc4 44. Re7 Bg7 45. Qxe4 Qxc3 46. Rc7 Qf6 47. Rxc6 Qb2 48. Rc7 f5 49. Qe6+ Kh7 50. Rc6 1-0

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.04"]
[Round "1"]
[White "Borensztajn, David"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1561"]
[BlackElo "2191"]
[PlyCount "84"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 c5 3. c3 b6 4. Bd3 Bb7 5. Nf3 g6 6. Nbd2 Bg7 7. 0-0 0-0 8. Qe2 Nc6 9. e4 cxd4 10. cxd4 Nb4 11. Bb1 Ba6 12. Nc4 Rc8 13. b3 d5 14. exd5 Nbxd5 15. Re1 Qc7 16. Bd3 Nb4 17. Ba3 Nfd5 18. Bxb4 Nxb4 19. Rac1 b5 20. Ncd2 Qxc1 21. Rxc1 Rxc1+ 22. Nf1 Nxd3 23. Qxd3 Rfc8 24. h3 R8c6 25. b4 Bf6 26. Kh2 R6c3 27. Qe2 R3c2 28. Qd3 Rxa2 29. Ne3 Bb7 30. Kg3 a6 31. d5 Rc3 32. Qe4 h5 33. Qf4 Kg7 34. Qb8 Bc8 35. d6 Be6 36. dxe7 Bxe7 37. Qb6 Bf6 38. Qd6 Raa3 39. Qb6 Ra4 40. Nd4 h4+ 41. Kf3 Bd5+ 42. Kg4 Rxb4 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.04"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Moyses Sobrinho, Elias"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2191"]
[BlackElo "1798"]
[PlyCount "76"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bf5 5. Bd3 Bxd3 6. Qxd3 c6 7. 0-0 e6 8. c4 Nf6 9. Nc3 Be7 10. Bf4 0-0 11. Rfd1 Nbd7 12. Qe2 Nh5 13. Be3 Nhf6 14. Ne5 Qa5 15. Bf4 Rfd8 16. a3 Nxe5 17. dxe5 Nd7 18. Ne4 Nf8 19. Nd6 Bxd6 20. exd6 Ng6 21. Bg3 Qf5 22. Rd2 Rd7 23. Qe3 e5 24. h3 Qe6 25. c5 f6 26. f4 e4 27. Rd4 f5 28. Be1 h6 29. Bc3 Nf8 30. Rd2 Nh7 31. Kh2 Nf6 32. Bxf6 Qxf6 33. Rg1 g5 34. Rf1 Rf8 35. Rff2 Qg6 36. Qb3+ Kh7 37. Qe3 g4 38. h4 h5 1/2-1/2

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "2"]
[White "Kalaiyalahan, Akshaya"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2148"]
[BlackElo "2205"]
[PlyCount "99"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. e3 Nc6 4. d4 exd4 5. exd4 Nf6 6. d5 Ne5 7. c4 g6 8. Qe2 Bg7 9. Nf3 0-0 10. Nxe5 dxe5 11. Nd2 a5 12. Qd1 a4 13. Be2 a3 14. Bc3 Re8 15. 0-0 Bf5 16. Nf3 Ne4 17. Bb4 b6 18. Bd3 Nxf2 19. Rxf2 e4 20. Bxe4 Bxe4 21. Rc1 Bb2 22. Bc3 Qd6 23. Bxb2 axb2 24. Rxb2 Qc5+ 25. Qd4 Qb4 26. Ng5 Bf5 27. Rf1 Re1 28. Rbf2 Rxf1+ 29. Rxf1 Rxa2 30. Qf6 Qc5+ 31. Kh1 Qf8 32. g4 Bxg4 33. Nxf7 Bf5 34. Rxf5 gxf5 35. Nh6+ Qxh6 36. Qxh6 Ra1+ 37. Kg2 Ra2+ 38. Kf3 Rb2 39. Qg5+ Kf7 40. Qxf5+ Kg7 41. Qd7+ Kf8 42. Qxc7 Rxb3+ 43. Ke4 Rb4 44. Kd4 Ke8 45. Qxh7 Kd8 46. Qg8+ Kc7 47. Qf7+ Kb8 48. Qf8+ Kb7 49. Qxb4 Ka6 50. Qxb6+ 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "5"]
[White "Marra, Eduardo da Costa"]
[Black "Cruz, William Ferreira Da"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2216"]
[PlyCount "115"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. e3 e6 5. Nb5 Na6 6. Nf3 c6 7. Nc3 Nc7 8. Ne5 Nd7 9. g4 Bg6 10. h4 Nxe5 11. Bxe5 f6 12. Bg3 Bd6 13. h5 Bf7 14. h6 g6 15. Bxd6 Qxd6 16. Qd2 b5 17. 0-0-0 a5 18. e4 b4 19. Na4 dxe4 20. Bg2 f5 21. Nb6 Rd8 22. Nc4 Qd5 23. Qe2 e5 24. b3 exd4 25. gxf5 gxf5 26. f3 e3 27. Nxe3 Qe5 28. Rd3 f4 29. Qe1 fxe3 30. f4 Qe6 31. Qh4 Bg6 32. Rdd1 Qe7 33. Qg4 Qe6 34. Qg5 Nb5 35. Bh3 Qe7 36. Qg3 Nc3 37. f5 Ne2+ 38. Kb2 Nxg3 39. fxg6 hxg6 40. Bg4 Ne4 41. Rdf1 Nf6 42. Bf3 d3 43. Bxc6+ Kf8 44. cxd3 Qe5+ 45. Kb1 e2 46. Re1 Rxd3 47. Bb5 Ke7 48. Bxd3 Qc3 49. Rxe2+ Kd6 50. Bc2 Kc7 51. Rd1 Rd8 52. Re7+ Kc8 53. Rc1 Qd2 54. Be4+ Kb8 55. Rb7+ Ka8 56. Rd7+ Kb8 57. Rxd2 Ka7 58. Bxg6 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Jakobeit, David"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2210"]
[PlyCount "53"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 4. e3 Bf5 5. Nf3 e6 6. Ne5 h6 7. g4 Bh7 8. h4 Nfd7 9. Nd3 Bd6 10. g5 Nc6 11. Bxd6 cxd6 12. gxh6 gxh6 13. Qd2 Qc7 14. 0-0-0 0-0-0 15. Kb1 Rhg8 16. Rc1 e5 17. Nxd5 Qb8 18. Qc3 Be4 19. Ne7+ Kc7 20. Nxg8 Bxh1 21. Nxh6 Bd5 22. Bh3 exd4 23. exd4 Rh8 24. Nf5 Qa7 25. Qa3 Be6 26. Qxd6+ Kc8 27. d5 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "6"]
[White "Ovchinnikov, Vsevolod"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2426"]
[BlackElo "2205"]
[PlyCount "133"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 Nbd7 7. Be3 e5 8. d5 a5 9. g4 Nc5 10. Nd2 c6 11. a3 cxd5 12. cxd5 Bd7 13. b4 axb4 14. axb4 Na6 15. Rb1 h5 16. g5 Nh7 17. Rg1 Qc8 18. Rc1 Nxb4 19. Nc4 Qb8 20. Nb6 Bc8 21. Nxa8 Qxa8 22. Qa4 Na6 23. Qa3 Rd8 24. Nb5 Bf8 25. h4 Qb8 26. f3 Nc5 27. Be2 Bd7 28. Rb1 Qc8 29. Kd2 Bxb5 30. Rxb5 Qh3 31. Rbb1 Rc8 32. Rh1 Qd7 33. Rhc1 Qh3 34. Rh1 Qd7 35. Bb5 Qd8 36. Rhc1 f6 37. Rg1 fxg5 38. hxg5 Be7 39. Rg2 Kg7 40. Rbg1 Nf8 41. Rb1 Nfd7 42. Bxd7 Qxd7 43. Bxc5 Rxc5 44. Re2 Qc7 45. Kd1 Bxg5 46. Qb2 Kh6 47. Rg2 Bf4 48. Rc2 b6 49. Rxc5 bxc5 50. Ke2 Qe7 51. Rg1 Qh4 52. Kd3 Qh3 53. Qg2 Qxg2 54. Rxg2 h4 55. Ra2 h3 56. Ke2 Kh5 57. Kf2 Kh4 58. Ra8 Bg3+ 59. Kg1 Kg5 60. Rf8 Kh5 61. Kh1 Kg5 62. Rf7 h2 63. Kg2 Kh5 64. Rh7+ Kg5 65. Kxg3 h1Q 66. Rxh1 Kf6 67. Rc1 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "4"]
[White "Sarkar, Justin"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2307"]
[BlackElo "2205"]
[PlyCount "112"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 Bb4 11. Bc4 d5 12. Bxd5 Bxf5 13. Bxc6 bxc6 14. Qxd8+ Rxd8 15. exf5 Bxc3+ 16. bxc3 Rd5 17. Rb1 Rb5 18. Rxb5 cxb5 19. Bxf6 gxf6 20. Kd2 Ke7 21. Rb1 Rd8+ 22. Ke3 Rc8 23. Rxb5 Rxc3+ 24. Kd2 Ra3 25. Rb7+ Kf8 26. Rb2 Kg7 27. c4 Kf8 28. c5 Ke8 29. Kc2 Kd7 30. Rb7+ Kc6 31. Rxf7 Kxc5 32. Rxf6 Rxa2+ 33. Kd3 Rxf2 34. g4 Rxh2 35. g5 Rg2 36. g6 hxg6 37. fxg6 Kd5 38. Ra6 Rg3+ 39. Ke2 Ke4 40. Ra4+ Kf5 41. Rxa7 Rxg6 42. Ra4 Rg3 43. Rb4 Rh3 44. Rc4 Rg3 45. Rb4 Rg4 46. Rxg4 Kxg4 47. Ke3 Kf5 48. Kf3 e4+ 49. Ke3 Ke5 50. Ke2 Kd4 51. Kd2 e3+ 52. Ke2 Ke4 53. Ke1 Kf4 54. Ke2 Ke4 55. Ke1 Kd4 56. Ke2 Ke4 1/2-1/2

[Event "Hebraica op 31st"]
[Site "Hebraica"]
[Date "2023.07.01"]
[Round "4"]
[White "Da Silva, Lucas Pereira Mende"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1921"]
[BlackElo "2205"]
[PlyCount "71"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 h6 11. Bxf6 Qxf6 12. Nd5 Qg5 13. h4 Qd8 14. c3 a5 15. Qf3 g6 16. Nfe3 Kg7 17. Bc4 Rf8 18. g4 d6 19. a4 Be6 20. Rd1 Rc8 21. Bd3 Bxe3 22. Nxe3 Qe7 23. Bc2 Rfd8 24. Qg3 Qf6 25. Nf5+ Bxf5 26. g5 hxg5 27. hxg5 Qe6 28. exf5 gxf5 29. Rh6 Qc4 30. Bxf5 Ne7 31. Bxc8 Rxc8 32. Qf3 Ng6 33. Qf6+ Kg8 34. Rxg6+ fxg6 35. Qxg6+ Kf8 36. Rxd6 1-0

[Event "Hebraica op 31st"]
[Site "Hebraica"]
[Date "2023.07.01"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Mangini, Bruno Fernandes"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2205"]
[BlackElo "1734"]
[PlyCount "63"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. h3 Bg7 6. Nf3 0-0 7. Bc4 b6 8. Qd3 a5 9. 0-0 Na6 10. Bf4 Nd7 11. Rfe1 Nb4 12. Qd2 Ba6 13. Bxa6 Nxa6 14. Rad1 Rb8 15. Qe2 Qc8 16. a4 f6 17. Nd2 Ne5 18. Bg3 Nb4 19. f4 Nd7 20. Nc4 h6 21. Nb5 g5 22. c3 gxf4 23. Bxf4 Na6 24. Nbxd6 Qc7 25. Ne3 Ra8 26. Nef5 Ne5 27. Bxe5 fxe5 28. Nb5 Qd7 29. Qg4 Rxf5 30. exf5 Nc7 31. Nxc7 Qxc7 32. d6 1-0

[Event "Hebraica op 31st"]
[Site "Hebraica"]
[Date "2023.06.30"]
[Round "1"]
[White "Marra, Eduardo da Costa"]
[Black "Marmilli, Matheus Bellentani"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2205"]
[BlackElo "1420"]
[PlyCount "79"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. d4 dxc4 6. Ne5 Be7 7. Nc3 0-0 8. 0-0 c5 9. Be3 Nd5 10. Nxd5 exd5 11. dxc5 Be6 12. b3 Qc7 13. Bd4 Bxc5 14. bxc4 Bxd4 15. Qxd4 dxc4 16. Rfc1 Rd8 17. Qc3 Na6 18. Rab1 Rab8 19. Rb2 Rd6 20. Rbc2 b5 21. Qf3 Bd5 22. e4 Be6 23. a4 f6 24. axb5 Nb4 25. Nxc4 Rd3 26. Qe2 Rbd8 27. Rc3 Qd7 28. Bf1 Rd1 29. Ne3 Rd2 30. Qf3 Na2 31. Rc7 Qd6 32. R1c6 Qe5 33. Nc4 Bxc4 34. Bxc4+ Kh8 35. Qg4 f5 36. Qxf5 Qxf5 37. exf5 Nb4 38. Rxa7 Nxc6 39. bxc6 Rc8 40. Be6 1-0

[Event "Hebraica op 31st"]
[Site "Hebraica"]
[Date "2023.06.30"]
[Round "2"]
[White "Usui, Gabriella Yumi"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1554"]
[BlackElo "2205"]
[PlyCount "76"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. d5 d6 5. Nc3 Bg7 6. e4 0-0 7. Bg2 b5 8. Nd2 b4 9. Ne2 a5 10. a3 Ba6 11. axb4 axb4 12. Rb1 Nbd7 13. b3 Bb5 14. Bb2 Qb6 15. 0-0 Ra2 16. h3 Rfa8 17. c3 bxc3 18. Bxc3 Nxe4 19. Nc4 Bxc4 20. bxc4 Nxc3 21. Nxc3 Rb2 22. Nb5 Rxb1 23. Qxb1 Ne5 24. Qc2 Qa5 25. f4 Nd7 26. Qe2 Bf6 27. Rf2 Qb4 28. Bf1 Ra1 29. Kg2 Qb1 30. Qc2 Qe1 31. Qe2 Qc1 32. Qc2 Qe1 33. Qe2 Qa5 34. Qd2 Qd8 35. Qc2 Nb6 36. Qe4 Ra4 37. Rc2 Qd7 38. Be2 Qxb5 0-1

[Event "Titled Tuesday intern op 30th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "3"]
[White "Dubessay, Bastien"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2283"]
[BlackElo "2205"]
[PlyCount "144"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 0-0 7. Bd3 Bxc3+ 8. bxc3 Nbd7 9. Ne2 Ne5 10. Bf4 Nxd3+ 11. Qxd3 e5 12. Bg5 b6 13. 0-0 h6 14. Bxf6 Qxf6 15. a4 Ba6 16. a5 Qe7 17. Ra3 Rfb8 18. axb6 axb6 19. Rfa1 Bb7 20. Qb1 Rxa3 21. Rxa3 Bc8 22. Nc1 Qg5 23. Nd3 Bh3 24. Ra2 Kh7 25. Kf1 Bd7 26. Qc1 Qh4 27. g3 Qh3+ 28. Kg1 b5 29. Nf2 Qh5 30. cxb5 Qxf3 31. c4 f5 32. Ra3 Qe2 33. Re3 Qh5 34. exf5 Bxf5 35. Ne4 Qg6 36. Qe1 Ra8 37. Nf2 Ra2 38. Re2 Ra3 39. Re3 Ra2 40. Re2 Ra4 41. Qc1 Rb4 42. Rb2 e4 43. Rxb4 cxb4 44. b6 e3 45. Qxe3 Qf7 46. Nd3 b3 47. Nb2 Bc2 48. Kg2 Qb7 49. c5 Qxd5+ 50. Kg1 dxc5 51. h4 c4 52. b7 Qxb7 53. Qd4 Qf3 54. Qxc4 Qxg3+ 55. Kf1 Qf3+ 56. Ke1 Qg3+ 57. Kd2 Qg2+ 58. Kc3 Qf3+ 59. Kb4 Qf6 60. Qc3 Qxc3+ 61. Kxc3 Kg6 62. Nc4 Kh5 63. Ne3 Kxh4 64. Ng2+ Kg3 65. Ne3 h5 66. Nf1+ Kg4 67. Ne3+ Kg5 68. Nf1 h4 69. Nh2 Kf4 70. Nf1 g5 71. Nh2 g4 72. Nf1 g3 0-1

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "1"]
[White "Floresvillar Gonzalez, Luis Miguel"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2043"]
[BlackElo "2205"]
[PlyCount "90"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c3 e6 3. Bg5 c5 4. e3 d5 5. Nd2 Nbd7 6. Bd3 Bd6 7. f4 h6 8. Bxf6 Nxf6 9. Ngf3 Bd7 10. 0-0 Qc7 11. Ne5 Bc6 12. Rc1 c4 13. Bb1 b5 14. b4 a5 15. a3 axb4 16. axb4 Ra3 17. Ng4 Ne4 18. Nxe4 dxe4 19. Ne5 Bd5 20. Qg4 0-0 21. h4 f5 22. Qh3 Kh7 23. g4 Bxe5 24. fxe5 Qe7 25. gxf5 exf5 26. Rxf5 Be6 27. Bxe4 Bxf5 28. Bxf5+ Kg8 29. e4 Ra2 30. Rf1 Rd2 31. Qg3 Qe8 32. Rf2 Rd1+ 33. Rf1 Rxf1+ 34. Kxf1 Qh5 35. Kg2 Qe2+ 36. Kh3 Qf1+ 37. Kh2 Qe2+ 38. Kh3 Qh5 39. Qg4 Qe8 40. Qg6 Qxg6 41. Bxg6 Rf3+ 42. Kg4 Rxc3 43. e6 Kf8 44. d5 Rd3 45. Kf4 c3 0-1

[Event "Titled Tuesday intern op 30th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "1"]
[White "Gu, Ethan"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1946"]
[BlackElo "2205"]
[PlyCount "98"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Be7 9. Kh1 Nd7 10. f4 Nc5 11. Qg4 Nxd3 12. cxd3 g6 13. b3 f5 14. Qf3 0-0 15. Bb2 Ba6 16. Rfe1 Qd7 17. Ne2 c5 18. exd5 exd5 19. d4 c4 20. Nc3 Bb7 21. bxc4 dxc4 22. d5 Bf6 23. Rad1 Rae8 24. Rxe8 Rxe8 25. Qf2 Ba8 26. h3 Qg7 27. Qd2 Rd8 28. d6 Qh6 29. Kh2 g5 30. Nd5 Bxb2 31. Qxb2 Rxd6 32. Qb8+ Qf8 33. Ne7+ Kf7 34. Qxf8+ Kxf8 35. Rxd6 Kxe7 36. Ra6 Be4 37. fxg5 c3 38. Ra3 c2 39. Rc3 Kd6 40. Kg3 Kd5 41. Kf4 Kd4 42. Rc7 Kd3 43. g4 fxg4 44. hxg4 Bg6 45. Rd7+ Ke2 46. Rc7 Kd2 47. Rd7+ Bd3 48. g6 hxg6 49. Rc7 c1Q 0-1

[Event "Titled Tuesday intern op 30th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "5"]
[White "Lalanne, Pablo"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2208"]
[BlackElo "2205"]
[PlyCount "103"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 0-0 8. Bc7 Qe7 9. Bd6 Bxd6 10. Qxd6 Qd8 11. Be2 Qb6 12. a4 a6 13. a5 Qd8 14. Nc7 Ne8 15. Nxe8 Rxe8 16. b4 Qf6 17. Qc5 d5 18. 0-0 d4 19. Na4 e5 20. Nb6 Rb8 21. Nd5 Qd8 22. Rad1 Be6 23. Bc4 Rc8 24. Nb6 Rc7 25. Bxe6 Rxe6 26. Qd5 Rd6 27. Qb3 Qg5 28. Rd3 Qg6 29. Re1 h6 30. Rg3 Qe6 31. Nd5 Rc8 32. Qf3 Ne7 33. Nb6 Rxc2 34. Qd3 Rc3 35. Qd2 Rxg3 36. hxg3 Rc6 37. Rc1 Qb3 38. Rxc6 Nxc6 39. Nd5 Qb1+ 40. Kh2 Qxe4 41. Qa2 d3 42. Ne3 Qd4 43. Qb3 d2 44. b5 axb5 45. Qxb5 d1Q 46. Nxd1 Qxd1 47. a6 Qh5+ 48. Kg1 Qd1+ 49. Kh2 Qd6 50. axb7 Nb8 51. Qa5 Qd8 52. Qxd8+ 1-0

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "6"]
[White "Lenoir Ibacache, Gabriel Alberto"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2225"]
[BlackElo "2205"]
[PlyCount "90"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Bg2 d6 4. Ne2 g6 5. c3 Bg7 6. d4 cxd4 7. cxd4 Nf6 8. Nbc3 0-0 9. h3 Rb8 10. 0-0 Nd7 11. Be3 Nb6 12. b3 e6 13. d5 Ne7 14. dxe6 Bxe6 15. Rc1 a6 16. Nf4 Nbc8 17. Bd4 Be5 18. Qd2 Qa5 19. Rfd1 Bxd4 20. Qxd4 Qe5 21. Qd3 Nb6 22. Qe3 Nd7 23. Nfd5 Bxd5 24. Nxd5 Rbc8 25. f4 Rxc1 26. Qxc1 Qe6 27. Qc3 Nxd5 28. Rxd5 Nf6 29. Rd4 Re8 30. Qd3 d5 31. e5 Nh5 32. Kh2 Rc8 33. Bxd5 Qb6 34. Bc4 Ng7 35. Kg2 h5 36. Rd7 Rf8 37. Qxg6 Qxg6 38. Kf3 Nf5 39. g4 hxg4+ 40. hxg4 Nh4+ 41. Kg3 Qh7 42. e6 Ng6 43. f5 Qh4+ 44. Kf3 Ne5+ 45. Kf4 Nxd7 0-1

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "5"]
[White "Marra, Eduardo da Costa"]
[Black "Abdilkhair, Abilmansur"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2268"]
[PlyCount "93"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. Bf4 a6 4. Nf3 Nf6 5. e3 Bd6 6. Bd3 Bxf4 7. exf4 c5 8. dxc5 Qc7 9. Qd2 Qxc5 10. 0-0 0-0 11. Rae1 Nc6 12. a3 Bd7 13. Ne5 Rad8 14. Re3 Qd6 15. Nd1 d4 16. Ree1 Nd5 17. g3 f6 18. Nxd7 Rxd7 19. Qe2 e5 20. Qh5 g6 21. Qf3 Kg7 22. Re2 Re7 23. Rfe1 Rfe8 24. f5 g5 25. Kh1 b5 26. Be4 Rd8 27. h4 h6 28. hxg5 hxg5 29. Kg2 Red7 30. Rh1 Nde7 31. Ree1 Rh8 32. Rxh8 Kxh8 33. Rh1+ Kg7 34. Qh5 Ng8 35. Qh8+ Kf8 36. f3 Rg7 37. Nf2 Nce7 38. Ng4 Kf7 39. Rh7 Rxh7 40. Qxh7+ Ke8 41. Qg7 Kd7 42. Qf7 Qb8 43. Nxf6+ Nxf6 44. Qxf6 g4 45. Qe6+ Ke8 46. f6 Qc8 47. Qxe7# 1-0

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "8"]
[White "Marra, Eduardo da Costa"]
[Black "Baskakov, Egor"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2215"]
[PlyCount "64"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. Bf4 d5 4. Nf3 Ne4 5. Qd3 f5 6. e3 Be7 7. Be2 0-0 8. 0-0 g5 9. Be5 Nd7 10. Qd1 g4 11. Ne1 Nxc3 12. bxc3 Nxe5 13. dxe5 Bd7 14. c4 c6 15. cxd5 cxd5 16. c4 Bc6 17. Nd3 Bg5 18. Nf4 Bxf4 19. exf4 Rc8 20. Qd4 dxc4 21. Qxa7 Bd5 22. Rfc1 Qc7 23. a4 Qc5 24. Qxc5 Rxc5 25. Rc3 Ra8 26. h3 h5 27. Kh2 b5 28. Rac1 Rxa4 29. Kg3 b4 30. Rxc4 Bxc4 31. Bxc4 Kg7 32. Kh4 Ra7 0-1

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "10"]
[White "Marra, Eduardo da Costa"]
[Black "Estrada Nieto, Julian"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2215"]
[PlyCount "83"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c6 4. Nf3 Bf5 5. e3 e6 6. Ne5 h6 7. a3 Nbd7 8. Bd3 Bxd3 9. cxd3 Be7 10. 0-0 0-0 11. h3 Nxe5 12. dxe5 Nd7 13. e4 d4 14. Ne2 c5 15. Bh2 f6 16. exf6 Nxf6 17. Qb3 Qd7 18. Nf4 Kf7 19. Rfe1 g5 20. Ne2 a6 21. f4 Qb5 22. Qc2 g4 23. Ng3 gxh3 24. gxh3 Rg8 25. Kh1 Qd7 26. f5 Rg5 27. Rf1 Rag8 28. Rf3 Bd6 29. fxe6+ Qxe6 30. Nf5 Bxh2 31. Qxh2 Rg2 32. Qc7+ Nd7 33. Nxd4+ Ke7 34. Nxe6 Kxe6 35. Raf1 Re2 36. R3f2 Re3 37. Rf3 Re2 38. R1f2 Re1+ 39. Kh2 Rgg1 40. Qxb7 h5 41. Qd5+ Ke7 42. Rf7+ 1-0

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Hambleton, Aman"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2420"]
[PlyCount "74"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 e6 5. Nf3 Bd6 6. Ne5 c5 7. dxc5 Bxc5 8. Bd3 Bd6 9. Bg3 Qc7 10. Nf3 Bxg3 11. hxg3 Nc6 12. Qd2 h6 13. 0-0-0 b5 14. Kb1 b4 15. Na4 e5 16. Nh4 Qa5 17. b3 Be6 18. Bf5 Rd8 19. Bxe6 fxe6 20. Ng6 Rg8 21. f4 Ne4 22. Qe1 exf4 23. gxf4 Kf7 24. Ne5+ Nxe5 25. fxe5 Rgf8 26. Rd4 Rb8 27. Rf1+ Kg8 28. Rxf8+ Kxf8 29. a3 Nc3+ 30. Nxc3 bxc3 31. Ra4 Qc7 32. Qg3 Rb6 33. Rf4+ Kg8 34. Qg6 a5 35. a4 Qe7 36. g4 Qa3 37. Qf7+ Kh7 0-1

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "11"]
[White "Marra, Eduardo da Costa"]
[Black "Karthik, Rajaa"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2276"]
[PlyCount "54"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Bb4+ 5. c3 Ba5 6. a4 a6 7. b4 Bb6 8. a5 axb5 9. axb6 Rxa1 10. Qxa1 Na6 11. bxc7 Qd7 12. Nf3 0-0 13. Ne5 Qe7 14. e3 Nxc7 15. Be2 Ne4 16. 0-0 f6 17. Nd3 Nd2 18. Re1 Nc4 19. Bf3 e5 20. dxe5 fxe5 21. e4 exf4 22. exd5 Qd6 23. Nc5 Nd2 24. Be2 b6 25. Nd3 f3 26. Bf1 Nxf1 27. Kxf1 Qxh2 0-1

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Rustemov, Alexander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2525"]
[PlyCount "137"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e4 Nxe4 5. Nxe4 dxe4 6. dxc5 Qxd1+ 7. Rxd1 Nc6 8. Bb5 Bd7 9. Ne2 0-0-0 10. Nc3 f5 11. Bxc6 Bxc6 12. Rxd8+ Kxd8 13. Ke2 e5 14. Rd1+ Ke8 15. Bxe5 Bxc5 16. Bd4 Bxd4 17. Rxd4 Ke7 18. Ke3 g5 19. g3 Ke6 20. a4 Ke5 21. Rc4 f4+ 22. Ke2 Rd8 23. Rc5+ Kf6 24. b4 Rd4 25. b5 Be8 26. h4 Bh5+ 27. Ke1 h6 28. hxg5+ hxg5 29. gxf4 Bf3 30. fxg5+ Kg6 31. a5 b6 32. axb6 axb6 33. Rd5 Rc4 34. Kd2 e3+ 35. fxe3 Bxd5 36. Nxd5 Rc5 37. Nxb6 Rxb5 38. Nc4 Kxg5 39. Kd3 Kf6 40. Kd4 Ke6 41. c3 Rd5+ 42. Ke4 Rc5 43. Kd4 Rd5+ 44. Ke4 Rh5 45. Kd4 Rh4+ 46. e4 Rh1 47. Ne3 Ra1 48. Nd5 Ra4+ 49. c4 Ra1 50. Nc3 Kd6 51. c5+ Kc6 52. Kc4 Rc1 53. Kd4 Rh1 54. Kc4 Rh5 55. Nd5 Rh1 56. Nb4+ Kd7 57. Kd4 Rd1+ 58. Kc4 Rc1+ 59. Kd4 Ke6 60. Nd5 Rd1+ 61. Kc4 Ke5 62. Nc3 Rc1 63. Kd3 Rh1 64. Kc4 Rc1 65. Kd3 Ra1 66. Kc4 Ra8 67. Kb4 Kd4 68. Nb5+ Kxe4 69. c6 1-0

[Event "Titled Tuesday intern op 30th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "4"]
[White "Marra, Eduardo da Costa"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2205"]
[BlackElo "2712"]
[PlyCount "68"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d3 e5 2. Nf3 Nc6 3. c4 Nf6 4. Nc3 Bb4 5. e4 d6 6. Be2 0-0 7. 0-0 a6 8. Bg5 Bxc3 9. bxc3 h6 10. Bd2 Nh7 11. Ne1 f5 12. exf5 Bxf5 13. Bg4 Qd7 14. Bxf5 Qxf5 15. f3 Nf6 16. Qe2 Rae8 17. Nc2 Nh5 18. Nb4 Nxb4 19. cxb4 Nf4 20. Bxf4 exf4 21. Qd2 Re3 22. Rad1 Rfe8 23. Rf2 Qe6 24. a3 d5 25. h3 d4 26. b5 Kh7 27. a4 Qg6 28. c5 axb5 29. axb5 R8e5 30. Qb4 Rxd3 31. Rxd3 Qxd3 32. Rd2 Re1+ 33. Kh2 Qf1 34. h4 Qh1# 0-1

[Event "Titled Tuesday intern op 30th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2692"]
[PlyCount "104"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. Nf3 0-0 7. Ne5 Ne4 8. Bd3 f6 9. Nf3 c6 10. Nc3 Nxc3 11. bxc3 c5 12. 0-0 c4 13. Be2 Bd7 14. a4 Qa5 15. Qd2 Bxa4 16. h4 b5 17. h5 Qd8 18. Nh2 Bd6 19. e4 dxe4 20. f3 exf3 21. Bxf3 Rb8 22. Rfe1 Nc7 23. h6 g5 24. Bxd6 Qxd6 25. Ng4 Kh8 26. Re2 Rbd8 27. Rae1 b4 28. d5 bxc3 29. Qxc3 e5 30. Rd2 Qc5+ 31. Kh1 Nxd5 32. Qa1 Bc6 33. Red1 c3 34. Rd3 Rd7 35. Ne3 Rfd8 36. Nxd5 Bxd5 37. Rxc3 Qf8 38. Bxd5 Rxd5 39. Rxd5 Rxd5 40. Rh3 g4 41. Rh5 Qf7 42. Rh4 f5 43. Qc3 Qf6 44. Rh5 Rd8 45. Kh2 Re8 46. Qc7 f4 47. Qxa7 g3+ 48. Kh1 Rd8 49. Qg1 Qd6 50. Rf5 Kg8 51. Rg5+ Kf7 52. Qf1 Qxh6+ 0-1

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "4"]
[White "Narayanan, Srinath"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2559"]
[BlackElo "2205"]
[PlyCount "73"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. g3 Bg7 6. Nf3 d6 7. Bg2 Nf6 8. 0-0 0-0 9. Nc3 Be6 10. Nd5 Rc8 11. Rb1 a6 12. Be3 Bxd5 13. cxd5 Nb4 14. Qb3 Nbxd5 15. Bd4 b5 16. e4 Nb6 17. e5 Ne8 18. Rfd1 Nc4 19. Qb4 Qa5 20. Qxa5 Nxa5 21. Bh3 Rd8 22. Bb6 Nc6 23. Bxd8 Nxd8 24. Rbc1 Ne6 25. Bxe6 fxe6 26. Ng5 Bxe5 27. Nxe6 Rf6 28. Ng5 Bxb2 29. Rc8 Rf5 30. Rxe8+ Kg7 31. Ne4 Re5 32. f3 d5 33. Nf2 Re2 34. Rxd5 e5 35. Rd7+ Kf6 36. Ne4+ Kf5 37. Rf7# 1-0

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "9"]
[White "Prohaszka, Peter"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2585"]
[BlackElo "2205"]
[PlyCount "53"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c3 g6 3. Bg5 Bg7 4. Nd2 d5 5. Ngf3 c5 6. e3 Nc6 7. dxc5 a5 8. a4 0-0 9. Bb5 Qc7 10. 0-0 e5 11. Bxf6 Bxf6 12. e4 Be6 13. exd5 Bxd5 14. Bc4 Rad8 15. Bxd5 Rxd5 16. Qb3 Rfd8 17. Ne4 Be7 18. Rad1 Rxd1 19. Rxd1 Kg7 20. g3 h6 21. Kg2 Rxd1 22. Qxd1 Nd8 23. Qd5 f6 24. Nfd2 Nf7 25. Nc4 h5 26. h4 Qc8 27. Qxf7+ 1-0

[Event "Titled Tuesday intern op 30th May Early"]
[Site "Chess.com INT"]
[Date "2023.05.30"]
[Round "7"]
[White "Seo, Jung Min"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2494"]
[BlackElo "2205"]
[PlyCount "72"]
[EventDate "2023.05.30"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 c5 7. Bb2 Ne4 8. Nbd2 Nxd2 9. Qxd2 Nc6 10. c4 Qa5 11. Bc3 Qa3 12. Bb2 Qa5 13. Rfd1 Qxd2 14. Rxd2 cxd4 15. Nxd4 Bd7 16. Nb5 Bxb2 17. Rxb2 Rfc8 18. Rd1 a6 19. Nc3 Rab8 20. Nd5 Kf8 21. c5 Be6 22. cxd6 exd6 23. Rbd2 a5 24. Nb6 Rc7 25. Rxd6 Nb4 26. R6d2 Nxa2 27. Rxa2 Bxb3 28. Rda1 Bxa2 29. Rxa2 Rc1+ 30. Bf1 Rd8 31. Rxa5 Rdd1 32. Ra8+ Kg7 33. Ra7 Rxf1+ 34. Kg2 Rfe1 35. Rxb7 Rxe2 36. Nd5 Rcc2 0-1

[Event "Titled Tuesday intern op 16th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.16"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Maneluk, Nikita"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2302"]
[PlyCount "60"]
[EventDate "2023.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 b5 5. Nf3 Bb7 6. Bd3 Nbd7 7. 0-0 e6 8. Qe2 c5 9. dxc5 Nxc5 10. e4 dxe4 11. Nxe4 Ncxe4 12. Rfd1 Qb6 13. a4 Bc5 14. axb5 Nxf2 15. b4 Nxd3+ 16. bxc5 Nxf4 17. Qe3 N4d5 18. Qd4 Qxb5 19. Rab1 Qc6 20. Ne5 Qc7 21. c4 0-0 22. cxd5 Bxd5 23. Rbc1 Rfb8 24. Rf1 a5 25. Rxf6 gxf6 26. Ng4 Rb4 27. Nxf6+ Kf8 28. Qd2 Qf4 29. Qc3 Rc4 30. Nxh7+ Ke7 0-1

[Event "Titled Tuesday intern op 16th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.16"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Vlassov, Nikolai"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "2283"]
[PlyCount "83"]
[EventDate "2023.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nf3 Bb4 5. a3 Bxc3+ 6. bxc3 c5 7. dxc5 Qa5 8. Bd2 Qxc5 9. e3 Nc6 10. Nd4 0-0 11. Nb3 Qd6 12. c4 d4 13. c5 Qe5 14. Qe2 Ne4 15. Rd1 Nxd2 16. Rxd2 dxe3 17. Qxe3 Qxe3+ 18. fxe3 Rd8 19. Rxd8+ Nxd8 20. Bb5 Kf8 21. Ke2 Ke7 22. Rd1 Nc6 23. Bxc6 bxc6 24. Rd4 Bd7 25. Rb4 Kd8 26. Na5 Kc8 27. Nc4 Kd8 28. Nd6 Ke7 29. Rb7 f6 30. Kd3 g6 31. Kc3 e5 32. Kb4 a5+ 33. Ka4 Ke6 34. c4 f5 35. Rb2 g5 36. Nb7 f4 37. e4 g4 38. Rd2 f3 39. gxf3 gxf3 40. Rf2 Rf8 41. Kxa5 Rf4 42. Nd6 1-0

[Event "Titled Tuesday intern op 16th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.16"]
[Round "5"]
[White "Tarlabasi, Emirhan"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2300"]
[BlackElo "2205"]
[PlyCount "81"]
[EventDate "2023.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. h4 d6 4. Nc3 Bg7 5. e4 Nbd7 6. Be2 e5 7. d5 a5 8. h5 Nc5 9. h6 Bf8 10. f3 Be7 11. Nh3 Nh5 12. Be3 Ng3 13. Rh2 0-0 14. Bf2 Nh5 15. g4 Nf4 16. Nxf4 exf4 17. e5 dxe5 18. Bxc5 Bxc5 19. Ne4 Be3 20. g5 f5 21. gxf6 Bf5 22. Bd3 Bxe4 23. Bxe4 Qxf6 24. Qb3 Ra6 25. Qxb7 Rb6 26. Qxc7 Bd4 27. 0-0-0 a4 28. Rc2 Rfb8 29. c5 Bxb2+ 30. Kd2 R6b7 31. Qc6 Qg5 32. Qe6+ Kh8 33. d6 Qxh6 34. Bxb7 Bd4 35. c6 Qg5 36. c7 Qg2+ 37. Kd3 e4+ 38. Qxe4 Bf2 39. cxb8Q+ Kg7 40. Qe5+ Kh6 41. Qf8# 1-0

[Event "Titled Tuesday intern op 16th May Late"]
[Site "Chess.com INT"]
[Date "2023.05.16"]
[Round "1"]
[White "Wagner, Dennis"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2595"]
[BlackElo "2205"]
[PlyCount "74"]
[EventDate "2023.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Bb4 7. 0-0 Bxc3 8. bxc3 Nxe4 9. Nxc6 bxc6 10. Qd4 d5 11. Qxg7 Qf6 12. Qxf6 Nxf6 13. Rb1 Ne4 14. Rb3 a5 15. f3 a4 16. Ra3 Nd6 17. c4 Nxc4 18. Bxc4 dxc4 19. Bf4 Ke7 20. Rd1 f6 21. Bd6+ Kf7 22. Bc5 Ra5 23. Be3 e5 24. Kf2 Be6 25. Rb1 Rb5 26. Rc1 Ra8 27. Rc3 Bd5 28. a3 Ke6 29. g4 Rg8 30. Bd2 Rb7 31. Re3 h5 32. h3 Rh7 33. Re2 hxg4 34. hxg4 Rh3 35. Rh1 Rxh1 36. Ke3 Rh3 37. Rf2 Rxg4 0-1

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.25"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Cabral, Gieds Nogueira"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "2228"]
[BlackElo "1966"]
[PlyCount "72"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. Bb3 Nc6 8. Be3 Na5 9. Qe2 a6 10. Rg1 Qc7 11. g4 Nd7 12. 0-0-0 Nb6 13. Kb1 Bd7 14. f4 Nbc4 15. Bc1 b5 16. g5 Nb6 17. a3 Nbc4 18. Rg3 Rb8 19. f5 e5 20. Nd5 Qb7 21. f6 Bf8 22. Nf5 g6 23. Nfe3 Nxe3 24. Rxe3 Nxb3 25. cxb3 h6 26. h4 hxg5 27. hxg5 Rh5 28. Rc3 Rc8 29. Qc2 Rh4 30. Ka2 Rxc3 31. Nxc3 Bg4 32. Rd3 Be6 33. Qe2 Rh1 34. Bd2 Qc6 35. Nd5 Qc2 36. b4 Qc4+ 0-1

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.25"]
[Round "3"]
[White "Rodi, Luis Ernesto"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2295"]
[BlackElo "2228"]
[PlyCount "59"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nf3 Nc6 6. Qa4 d6 7. e5 dxe5 8. Nxe5 Bg7 9. Bb5 0-0 10. Nxc6 bxc6 11. Bxc6 Rb8 12. 0-0 Qc7 13. Re1 Ng4 14. Bf4 e5 15. Nd5 Qd6 16. Bg5 f6 17. Bd2 Qc5 18. Re2 Rf7 19. Bb4 Qc4 20. Re4 Qxe4 21. Ne7+ Rxe7 22. Bxe4 Rd7 23. h3 Nh6 24. c4 Nf5 25. Bd5+ Kh8 26. a3 Nd4 27. Kf1 f5 28. Rd1 Bf6 29. Bc3 Kg7 30. f4 1-0

[Event "Pindamonhangaba op 7th"]
[Site "Pindamonhangaba"]
[Date "2023.03.24"]
[Round "1"]
[White "Vieira, Jose Renato Braga S"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1830"]
[BlackElo "2228"]
[PlyCount "76"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Qd3 0-0 8. f3 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Bd2 Qf6 12. Nxd5 Bxd2+ 13. Qxd2 cxd5 14. c3 Rb8 15. Rb1 e5 16. Be2 Bf5 17. Rd1 Rfd8 18. b3 Qb6 19. g4 Be6 20. Kf1 h5 21. h3 Rbc8 22. Kg2 Qa5 23. c4 Qa3 24. cxd5 Rxd5 25. Qe3 Qb2 26. Rxd5 Bxd5 27. Kg3 Rc2 28. Bd3 Rg2+ 29. Kh4 hxg4 30. fxg4 e4 31. Qg5 Qf2+ 32. Kh5 Qd4 33. Qd8+ Kh7 34. Bc4 g6+ 35. Kg5 Qe5+ 36. Kh4 Bxc4 37. bxc4 f6 38. Qd7+ Kh6 0-1

[Event "Titled Tuesday intern op 7th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.07"]
[Round "5"]
[White "Bach, Matthias"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2198"]
[BlackElo "2228"]
[PlyCount "132"]
[EventDate "2023.03.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. c3 Nf6 3. Nd2 g6 4. e4 Nbd7 5. Bd3 e5 6. f4 Bg7 7. Ngf3 0-0 8. 0-0 Qe7 9. fxe5 dxe5 10. d5 Nc5 11. Qe2 Nh5 12. Nc4 Bg4 13. Be3 b6 14. b4 Nxd3 15. Qxd3 f5 16. d6 cxd6 17. Qxd6 Qxd6 18. Nxd6 Rad8 19. Nc4 fxe4 20. Ng5 Rxf1+ 21. Kxf1 Rf8+ 22. Ke1 Nf4 23. Bxf4 exf4 24. Rc1 f3 25. gxf3 exf3 26. Kf2 Re8 27. Rc2 Re2+ 28. Rxe2 fxe2 29. Ne4 Bf5 30. Ncd6 Bg4 31. c4 Kf8 32. c5 bxc5 33. bxc5 Ke7 34. c6 Bd4+ 35. Ke1 Bb6 36. Nc4 Bc7 37. Nf2 Bf3 38. Nd2 Bxc6 39. Kxe2 Bxh2 40. Ng4 Bf4 41. Nb3 h5 42. Nf2 g5 43. Nd4 Bd6 44. Nxc6+ Kd7 45. Nd4 Bc5 46. Nf3 g4 47. Ne5+ Ke6 48. Nexg4 hxg4 49. Nxg4 Kd5 50. Kd3 Bd6 51. Ne3+ Kc5 52. Kc2 Kb4 53. Kb1 Bc5 54. Nc2+ Kc4 55. Kb2 a5 56. Na1 a4 57. Nc2 Bd6 58. Na3+ Bxa3+ 59. Kxa3 Kb5 60. Kb2 Ka5 61. a3 Kb5 62. Kc3 Kc5 63. Kd3 Kd5 64. Kc3 Kc5 65. Kd3 Kd5 66. Kc3 Kc5 1/2-1/2

[Event "Titled Tuesday intern op 7th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.07"]
[Round "2"]
[White "Dardha, Daniel"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2610"]
[BlackElo "2228"]
[PlyCount "77"]
[EventDate "2023.03.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. e4 d6 4. Bb5 Bd7 5. f4 a6 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Qe2 e6 9. 0-0-0 Be7 10. Nf3 b5 11. e5 dxe5 12. Nxe5 Bb7 13. d3 Qc7 14. Ne4 h6 15. g4 Rf8 16. f5 exf5 17. gxf5 0-0-0 18. Kb1 Nxe4 19. dxe4 Bf6 20. Ng4 Bxb2 21. Kxb2 Rde8 22. Nf2 Re7 23. Rhe1 Rfe8 24. Qg4 f6 25. h3 Qe5+ 26. Kb1 Rd8 27. Nd3 Qc3 28. Qg1 Rc7 29. Nf4 Rxd1+ 30. Rxd1 Bxe4 31. Qf2 Rd7 32. Rxd7 Kxd7 33. Ne6 Bxf5 34. Nxc5+ Kc6 35. Nxa6 Qe5 36. Nb4+ Kc7 37. a3 Qc3 38. Nd5+ Kd6 39. Nxc3 1-0

[Event "Titled Tuesday intern op 7th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.07"]
[Round "1"]
[White "Hartikainen, Jarmo"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2108"]
[BlackElo "2228"]
[PlyCount "54"]
[EventDate "2023.03.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. dxe5 dxe5 6. Bc4 h6 7. 0-0 Bc5 8. h3 0-0 9. Qe2 c6 10. Be3 Qe7 11. a3 b5 12. Ba2 a5 13. Rfd1 Ba6 14. Bxc5 Nxc5 15. b4 Ne6 16. Rab1 axb4 17. axb4 Nf4 18. Qe3 Bc8 19. Bb3 Bxh3 20. gxh3 Nxh3+ 21. Kf1 Ng4 22. Qe2 Qf6 23. Ra1 Nhxf2 24. Rxa8 Rxa8 25. Rd2 Ra1+ 26. Nd1 Nxd1 27. Rxd1 Rxd1+ 0-1

[Event "Titled Tuesday intern op 7th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.07"]
[Round "6"]
[White "Marra, Eduardo da Costa"]
[Black "Harsh, Suresh"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "2228"]
[BlackElo "2261"]
[PlyCount "116"]
[EventDate "2023.03.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Nc3 0-0 5. Bg2 c6 6. 0-0 d5 7. cxd5 cxd5 8. d4 Nc6 9. Ne5 Be6 10. Qa4 Nxe5 11. dxe5 Nd7 12. f4 Nb6 13. Qd1 Rc8 14. Nb5 Bd7 15. Nd4 e6 16. b3 Re8 17. Ba3 Bf8 18. Bxf8 Rxf8 19. Qd2 Qe7 20. Rac1 Qa3 21. e3 a5 22. h4 h5 23. g4 hxg4 24. h5 Rxc1 25. Rxc1 Rc8 26. Rxc8+ Bxc8 27. hxg6 fxg6 28. Qc2 Qe7 29. Qxg6+ Qg7 30. Qe8+ Qf8 31. Qh5 Qg7 32. Kf2 Bd7 33. Kg3 Nc8 34. Qxg4 b5 35. Bh3 Qxg4+ 36. Bxg4 Kf7 37. a3 Nb6 38. Be2 a4 39. b4 Nc4 40. Bxc4 bxc4 41. b5 Ke7 42. Kg4 Kd8 43. Kg5 Kc7 44. Kf6 c3 45. f5 exf5 46. e6 Be8 47. Ke7 Bh5 48. Kf8 Kd6 49. e7 Kc5 50. e8Q Bxe8 51. Kxe8 f4 52. Ne6+ Kxb5 53. Nxf4 Kc4 54. Kd7 c2 55. Ne2 Kd3 56. Nc1+ Kxe3 57. Kc6 d4 58. Kb5 d3 0-1

[Event "Titled Tuesday intern op 7th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.07"]
[Round "3"]
[White "Marra, Eduardo da Costa"]
[Black "Yano, William Jorge Froes"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2228"]
[BlackElo "2045"]
[PlyCount "67"]
[EventDate "2023.03.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 0-0 5. Nc3 c5 6. Nf3 Nc6 7. 0-0 b6 8. a3 Bb7 9. Rb1 d5 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. Be3 Nd4 13. Ne1 Qd7 14. b4 Bxg2 15. Nxg2 Rac8 16. bxc5 Rxc5 17. Bd2 Rfc8 18. Ne3 Qh3 19. f3 Rh5 20. Rf2 Bh6 21. Rc1 Rxc1 22. Qxc1 Rc5 23. Qb2 Rb5 24. Qa2 e5 25. a4 Rb3 26. Nf1 Bxd2 27. Nxd2 Rb4 28. a5 bxa5 29. f4 Qg4 30. fxe5 Ne6 31. Nc4 a4 32. Nd6 Qd4 33. Nxf7 Rb6 34. Ng5 1-0

[Event "Titled Tuesday intern op 7th Mar Late"]
[Site "Chess.com INT"]
[Date "2023.03.07"]
[Round "4"]
[White "Remizov, Yaroslav"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2397"]
[BlackElo "2228"]
[PlyCount "29"]
[EventDate "2023.03.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. f4 Bc5+ 9. Kh1 Ng4 10. Qf3 Qh4 11. h3 Nf2+ 12. Kh2 Ng4+ 13. Kh1 Nf2+ 14. Kh2 Ng4+ 15. Kh1 1/2-1/2

[Event "Titled Tuesday intern op 28th Feb Late"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Figorito, Nick"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2228"]
[BlackElo "2036"]
[PlyCount "90"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Bd7 5. Nf3 Qb6 6. Be2 Bb5 7. Bxb5+ Qxb5 8. Na3 Qd7 9. Nc2 Nc6 10. 0-0 Nh6 11. Bxh6 gxh6 12. c4 dxc4 13. Qe2 b5 14. Rfd1 cxd4 15. Ncxd4 Nxd4 16. Nxd4 Qb7 17. a4 Rg8 18. g3 a6 19. axb5 axb5 20. Rxa8+ Qxa8 21. Nxb5 Qc6 22. Nd4 Qb7 23. Qxc4 Be7 24. Nb5 Kf8 25. Nd6 Qxb2 26. Qe4 Kg7 27. Rd3 Bxd6 28. exd6 Qf6 29. d7 Rd8 30. Qc6 Qf5 31. Rf3 Qd5 32. Qc3+ Kg8 33. Rd3 Qb7 34. Qd4 Qd5 35. Qe3 Qg5 36. Qb6 h5 37. h4 Qe7 38. Qc7 e5 39. Qc6 e4 40. Rd5 e3 41. Rg5+ Kh8 42. Qc3+ f6 43. Rxh5 e2 44. Qe1 Rxd7 45. Rb5 Rd1 0-1

[Event "Titled Tuesday intern op 28th Feb Late"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "1"]
[White "Sabar, Ethmane Daouda"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2040"]
[BlackElo "2228"]
[PlyCount "89"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 a6 4. Nf3 d6 5. d4 e4 6. Nfd2 f5 7. c4 Nf6 8. Be2 Be7 9. Nc3 0-0 10. 0-0 Qe8 11. f3 exf3 12. Bxf3 Bd7 13. Qe2 Qg6 14. Rae1 Rae8 15. Nd5 Bd8 16. Nxf6+ Bxf6 17. Bh5 Qg5 18. Bxe8 Rxe8 19. Nf3 Qh6 20. a3 g5 21. d5 Ne5 22. Nxe5 dxe5 23. e4 f4 24. g4 Qh3 25. Qf3 Qxf3 26. Rxf3 Bxg4 27. Rd3 Be7 28. b4 b6 29. Bxe5 Bd8 30. Bc3 Bf5 31. exf5 Rf8 32. c5 Kf7 33. d6 bxc5 34. bxc5 cxd6 35. Rxd6 Be7 36. Rd7 Re8 37. Rexe7+ Rxe7 38. Rxe7+ Kxe7 39. Be5 h6 40. c6 a5 41. Kf2 a4 42. Bc7 Kf6 43. Bd8+ Kf7 44. c7 Ke8 45. c8Q 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.29"]
[Round "10"]
[White "Federzoni, Enzo"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2123"]
[BlackElo "2275"]
[PlyCount "62"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 c5 10. c4 Nb4 11. Be2 Bb7 12. Bf3 Nc6 13. Be3 Rb8 14. 0-0 Nd4 15. Bxd4 cxd4 16. Qxd4 Bxe4 17. Qxe4 Rxb2 18. Kh1 Bc5 19. f5 0-0 20. f6 g6 21. h4 Rd8 22. Rad1 d5 23. cxd5 exd5 24. Rxd5 Rb4 25. Qe1 Rd4 26. e6 fxe6 27. Qxe6+ Kh8 28. Rxd4 Bxd4 29. Re1 Bc5 30. Rc1 Rb8 31. Qc4 Re8 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "8"]
[White "Marra, Eduardo da Costa"]
[Black "Dubrovich, Igor"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2275"]
[BlackElo "1962"]
[PlyCount "101"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 e6 7. g4 b5 8. g5 Nfd7 9. Be3 Bb7 10. a3 Nc5 11. Bg2 Qc7 12. Qd2 Be7 13. h5 Nbd7 14. 0-0-0 Ne5 15. Kb1 Nc4 16. Qe2 Qa5 17. Na2 Nxe4 18. Nb3 Qc7 19. Bd4 d5 20. Bxe4 dxe4 21. Bxg7 Rg8 22. h6 Bxg5 23. Rhg1 Bf4 24. Nc3 Bd6 25. Nxe4 0-0-0 26. Nf6 Nxb2 27. Nxg8 Nxd1 28. Rxd1 Rxg8 29. Qd3 Rd8 30. Qxh7 f5 31. Qg6 Qc4 32. Rd3 Kb8 33. Rxd6 Rc8 34. Rd2 Be4 35. Qg3+ f4 36. Qxf4+ Ka8 37. Kb2 Qc6 38. Na5 e5 39. Qxe5 Qg6 40. f3 Bxf3 41. Qf6 Qxf6+ 42. Bxf6 Be4 43. Nb3 Rc6 44. Bg7 Kb8 45. Rd7 Bh7 46. Nd4 Rc4 47. Re7 Kc8 48. Be5 Rc5 49. Bf6 Bg6 50. h7 Bxh7 51. Rxh7 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "9"]
[White "Marra, Eduardo da Costa"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2275"]
[BlackElo "2058"]
[PlyCount "67"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nd7 5. 0-0 e5 6. dxe5 dxe5 7. Nc3 c6 8. a4 a5 9. Bc4 Nh6 10. h3 f6 11. Qe2 Nb6 12. Bb3 Nf7 13. Be3 Qc7 14. Rad1 Bf8 15. Bxb6 Qxb6 16. Qc4 Nh6 17. Rd2 Be7 18. Rfd1 Rf8 19. Nh2 Nf7 20. Ng4 Ng5 21. Qe2 Ne6 22. Bc4 Bc5 23. Qf3 Be7 24. Qg3 Qc5 25. Ne3 Nc7 26. Qh4 h5 27. Qg3 g5 28. Bb3 Rh8 29. Qf3 Be6 30. Nf5 Rh7 31. Nd6+ Kf8 32. Bxe6 g4 33. Qf5 Rg7 34. Bb3 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "7"]
[White "Mariani, Daniel Brandao"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1987"]
[BlackElo "2275"]
[PlyCount "87"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. Nge2 Nc6 8. dxc5 dxc5 9. Qxd8 Rxd8 10. Bxc5 Nd7 11. Be3 Nde5 12. Nf4 b6 13. Rc1 e6 14. Be2 Ba6 15. b3 Nb4 16. 0-0 Rd7 17. Rfd1 Rxd1+ 18. Rxd1 Nxc4 19. bxc4 Bxc3 20. c5 g5 21. Nd3 Nxa2 22. cxb6 axb6 23. Bxb6 Bf6 24. Bf1 Rb8 25. Bf2 Nc3 26. Rc1 Bxd3 27. Bxd3 Rd8 28. Bf1 Rd2 29. Be1 Ne2+ 30. Bxe2 Rxe2 31. Bc3 Kg7 32. Kf1 Ra2 33. Bxf6+ Kxf6 34. Re1 Ke5 35. Re2 Rxe2 36. Kxe2 Kd4 37. Kd2 f5 38. exf5 exf5 39. g3 h5 40. h3 h4 41. gxh4 gxh4 42. Ke2 f4 43. Kd2 Kc4 44. Kc2 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "6"]
[White "Marra, Eduardo da Costa"]
[Black "Cardoso, Leandro Ubialli"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2275"]
[BlackElo "1732"]
[PlyCount "45"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. 0-0 cxd4 8. Re1 Rc8 9. Qe2 Nge7 10. h4 dxc3 11. bxc3 d4 12. Qe4 dxc3 13. Nxc3 Qb4 14. Nb5 Nd5 15. Qe2 Qg4 16. Qb2 Ncb4 17. Bb1 Rxc1 18. Qxc1 Nf4 19. g3 Qxf3 20. gxf4 Qg4+ 21. Kh2 Qxh4+ 22. Kg1 Qg4+ 23. Kh2 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "5"]
[White "Moritz, Diego Homrich"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1854"]
[BlackElo "2275"]
[PlyCount "36"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Nxc8+ Rxc8 9. Bd3 Qc7 10. 0-0 h5 11. Bg5 Kf8 12. h3 Ng4 13. hxg4 hxg4 14. Re1 Qh2+ 15. Kf1 Nd4 16. Ne2 Nf3 17. Be3 Bxe3 18. fxe3 g3 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.25"]
[Round "4"]
[White "Marra, Eduardo da Costa"]
[Black "Bitencourt, Evandro Jose dos S"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2275"]
[BlackElo "1859"]
[PlyCount "52"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 e5 7. Nb3 Be6 8. f4 Qc7 9. Be2 h5 10. Qd3 b5 11. Be3 Nbd7 12. a4 Bc4 13. Qd2 b4 14. Nd5 Nxd5 15. exd5 Rc8 16. Qxb4 Bxe2 17. Kxe2 Qxc2+ 18. Nd2 Qg6 19. Qe4 Qg4+ 20. Qf3 Qf5 21. Rhc1 Rb8 22. Rc4 Be7 23. b3 0-0 24. Qe4 Qg4+ 25. Qf3 Qf5 26. Qe4 Qg4+ 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "3"]
[White "De Souza, Nicolas Gabriel"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1326"]
[BlackElo "2275"]
[PlyCount "68"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Nxd5 cxd5 9. Bd3 Qc7 10. Qe2 d6 11. f4 dxe5 12. fxe5 Bb4+ 13. Kd1 0-0 14. Qh5 g6 15. Qe2 Rb8 16. Rf1 Bc3 17. bxc3 Qxc3 18. Bh6 Qxa1+ 19. Kd2 Qd4 20. Qf3 f5 21. exf6 Rf7 22. Qg3 e5 23. a3 Bg4 24. Be3 Qa4 25. Qxe5 Re8 26. Qxd5 Qxa3 27. Bd4 Be6 28. Qc6 Qa5+ 29. c3 Qa2+ 30. Bc2 Bd7 31. Qb7 Re2+ 32. Kxe2 Bg4+ 33. Kd2 Rxb7 34. h3 Bf5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "2"]
[White "Passos, Rafael Moreira"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1891"]
[BlackElo "2275"]
[PlyCount "143"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nge7 5. Bg2 d5 6. Qe2 g6 7. 0-0 Bg7 8. c3 0-0 9. e5 b5 10. Bf4 b4 11. c4 Nf5 12. Nbd2 Bb7 13. Rfe1 Qd7 14. Nb3 Ncd4 15. Nfxd4 Nxd4 16. Nxd4 cxd4 17. cxd5 Bxd5 18. Bxd5 Qxd5 19. Qe4 Rfd8 20. Qxd5 Rxd5 21. Rac1 Ra5 22. Rc4 Rb8 23. Rxd4 Rxa2 24. Rb1 h6 25. h4 g5 26. hxg5 hxg5 27. Bxg5 Bxe5 28. Rg4 f5 29. Rc4 Bxb2 30. Rc2 Bf6 31. Rxa2 Bxg5 32. Rxa7 b3 33. Kf1 b2 34. Ke2 Bc1 35. Rc7 Ra8 36. Rbxc1 bxc1Q 37. Rxc1 Kf7 38. Ke3 Kf6 39. f3 Ra4 40. Rc4 Ra1 41. g4 fxg4 42. fxg4 Rg1 43. Re4 Ra1 44. d4 Rg1 45. Kd3 Rd1+ 46. Kc4 Rc1+ 47. Kb5 Rc2 48. g5+ Kf7 49. Re5 Rc1 50. Rc5 Re1 51. Kc4 Re3 52. Rb5 Kg6 53. Ra5 Rg3 54. Re5 Kf7 55. Kc5 Ra3 56. g6+ Kf6 57. g7 Ra8 58. Re4 Rg8 59. Kd6 Rd8+ 60. Kc7 Rg8 61. Rf4+ Ke7 62. Rg4 Kf7 63. Kd7 Kf6 64. Rf4+ Kg5 65. Rf7 Kg6 66. Kxe6 Ra8 67. Rc7 Rd8 68. d5 Re8+ 69. Kd6 Ra8 70. Ke6 Re8+ 71. Re7 Ra8 72. d6 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.23"]
[Round "1"]
[White "Marra, Eduardo da Costa"]
[Black "Jiang, Lucas Zirui"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2275"]
[BlackElo "1637"]
[PlyCount "51"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 h6 7. a4 a5 8. c3 Ne7 9. Na3 Bh7 10. Nc2 c5 11. c4 Bxc2 12. Qxc2 cxd4 13. Rd1 Nc6 14. cxd5 Nb4 15. Qe4 Nxd5 16. Nxd4 Be7 17. Nxe6 fxe6 18. Bh5+ Kf8 19. Rxd5 exd5 20. Qf5+ Nf6 21. exf6 Bxf6 22. b3 Kg8 23. Bg6 Qd6 24. Bf4 Qc6 25. Rc1 Re8 26. h3 1-0

[Event "Titled Tuesday intern op 13th Sep Early"]
[Site "Chess.com INT"]
[Date "2022.09.13"]
[Round "2"]
[White "Marra, Eduardo da Costa"]
[Black "Samaganova, Alexandra"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2256"]
[BlackElo "1884"]
[PlyCount "74"]
[EventDate "2022.09.13"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 0-0 7. 0-0 Ne4 8. Bd2 Nxc3 9. Bxc3 Be4 10. Re1 d6 11. Bf1 f5 12. Nd2 Bb7 13. e4 Nd7 14. Bg2 f4 15. Bh3 Rf6 16. gxf4 Rxf4 17. Bxe6+ Kh8 18. d5 Ne5 19. Re3 Bh4 20. Nf3 Nxc4 21. Nxh4 Nxe3 22. fxe3 Rxh4 23. Qd4 Qg5+ 24. Kh1 Qh6 25. Qd2 Qh5 26. Qg2 Qg6 27. Qf2 Qxe4+ 28. Qg2 Qxg2+ 29. Kxg2 Bc8 30. Kg3 Rh6 31. Bxc8 Rxc8 32. Rf1 Rg6+ 33. Kh3 Re8 34. Rf3 h6 35. Kh4 Kh7 36. h3 Re4+ 37. Kh5 Rg5# 0-1

[Event "Sao Jose dos Campos op"]
[Site "Sao Jose dos Campos"]
[Date "2022.09.11"]
[Round "6"]
[White "Chaves, Joara"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1901"]
[BlackElo "2256"]
[PlyCount "71"]
[EventDate "2022.09.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 d5 8. d3 Bd7 9. Nc3 Bxc3 10. bxc3 dxe4 11. dxe4 Bb5 12. Re1 Qxd1 13. Rxd1 Ba4 14. c4 Bxc2 15. Re1 Nf6 16. e5 Nh5 17. Be3 b6 18. a4 0-0 19. Rec1 Be4 20. Nd2 Bc6 21. a5 Rad8 22. axb6 axb6 23. g4 Rd3 24. Kf2 Ng7 25. Ra6 Rfd8 26. Rxb6 Bd7 27. h3 h5 28. Nb3 hxg4 29. Nxc5 g3+ 30. Kxg3 Nf5+ 31. Kf2 Rxe3 32. Rd1 Ra8 33. Nxd7 Ra2+ 34. Kg1 Rg3+ 35. Kh1 Rxh3+ 36. Kg1 0-1

[Event "Sao Jose dos Campos op"]
[Site "Sao Jose dos Campos"]
[Date "2022.09.11"]
[Round "7"]
[White "Quintiliano Pinto, Renato Rodrigues"]
[Black "Marra, Eduardo da Costa"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2504"]
[BlackElo "2256"]
[PlyCount "49"]
[EventDate "2022.09.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. Bxf6 Qxf6 8. Qb3 Ra7 9. a3 Qd8 10. h4 h6 11. Qc2 Nd7 12. e4 c6 13. e5 b5 14. Rd1 Nb6 15. Ne2 Nc4 16. Nf4 Qa5+ 17. Nd2 Bg4 18. Be2 Bxe2 19. Kxe2 Rc7 20. Nf3 Be7 21. e6 Bd6 22. exf7+ Rxf7 23. Ng6 Rg8 24. b3 Nb6 25. Qxc6+ 1-0

[Event "Sao Jose dos Campos op"]
[Site "Sao Jose dos Campos"]
[Date "2022.09.10"]
[Round "5"]
[White "Marra, Eduardo da Costa"]
[Black "Medeiros, Francisco de Assis"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2256"]
[BlackElo "2056"]
[PlyCount "50"]
[EventDate "2022.09.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 c6 6. Nge2 e6 7. 0-0 Bd6 8. Ng3 Qc7 9. Re1 0-0 10. Nce4 Nbd7 11. b3 b6 12. Bb2 Bb7 13. Qd2 Bf4 14. Qe2 Nd5 15. Qh5 g6 16. Qe2 Rfe8 17. Rad1 f5 18. Nc3 N7f6 19. Qf3 Rad8 20. Re2 Kf7 21. Ree1 a6 22. a4 Rd7 23. Qe2 b5 24. Bd3 Bd6 25. Nxd5 exd5 1/2-1/2

[Event "Sao Jose dos Campos op"]
[Site "Sao Jose dos Campos"]
[Date "2022.09.10"]
[Round "4"]
[White "Matsuura, Everaldo"]
[Black "Marra, Eduardo da Costa"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2437"]
[BlackElo "2256"]
[PlyCount "51"]
[EventDate "2022.09.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 e5 8. d4 exd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Nc6 12. Be2 0-0 13. 0-0 Bg4 14. d5 Bxf3 15. Bxf3 Ne5 16. Be2 Nd7 17. Bf3 Qd6 18. Rfe1 Rfe8 19. h4 b6 20. Re3 Re5 21. Rae1 Rae8 22. Bg4 Nf6 23. Bf3 Nd7 24. Bg4 Nf6 25. Bf3 Nd7 26. Bg4 1/2-1/2

