[Event "Rio de Janeiro Duchamp U1800 op"]
[Site "Rio de Janeiro"]
[Date "2017.11.18"]
[Round "5.4"]
[White "Morais, Marcus Vinicius"]
[Black "Da Silva, Joao Carlos Orguim"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1785"]
[PlyCount "47"]
[EventDate "2017.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Bg4 7. Bxf7+ Kxf7 8. Ng5+ Ke8 9. Qxg4 Ne5 10. Qe2 Qd7 11. 0-0 Nf6 12. f4 Nc6 13. Rd1 h6 14. Nf3 Qc7 15. e5 dxe5 16. fxe5 Ng4 17. Nd5 Qa5 18. e6 Nf6 19. b4 Nxb4 20. Qb5+ Nc6 21. Qxa5 Nxd5 22. Qxd5 Rd8 23. Qh5+ g6 24. Qxg6# 1-0

[Event "Rio de Janeiro Duchamp U1800 op"]
[Site "Rio de Janeiro"]
[Date "2017.11.17"]
[Round "4.2"]
[White "Horisch, Juan Pablo"]
[Black "Morais, Marcus Vinicius"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1769"]
[PlyCount "52"]
[EventDate "2017.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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. exd5 a6 9. Nc3 Nf6 10. Re1 Nxd5 11. Nxd5 Qxd5 12. Qe2 e6 13. d3 0-0 14. c3 Rd8 15. Rd1 b6 16. Be3 Bb7 17. Rd2 Qh5 18. Rad1 Bxf3 19. Qxf3 Qxf3 20. gxf3 Rd5 21. d4 c4 22. b3 Rc8 23. b4 b5 24. a4 bxa4 25. Ra1 a5 26. Rxa4 axb4 1/2-1/2

[Event "Rio de Janeiro Duchamp U1800 op"]
[Site "Rio de Janeiro"]
[Date "2017.11.16"]
[Round "3.4"]
[White "Morais, Marcus Vinicius"]
[Black "Azevedo, Hugo Daniel de Oliv"]
[Result "1-0"]
[ECO "C00"]
[BlackElo "1663"]
[PlyCount "103"]
[EventDate "2017.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 Bd7 5. bxc5 Bxc5 6. d4 Bb4+ 7. c3 Ba5 8. Bd3 Qc7 9. Bd2 Ne7 10. 0-0 Ng6 11. h4 Nc6 12. Na3 a6 13. Ng5 h6 14. Nxf7 Kxf7 15. Qf3+ Ke7 16. Bxg6 Raf8 17. Qg3 Kd8 18. Nc2 Ne7 19. Bd3 Bxc3 20. Be3 Bxa1 21. Nxa1 Nf5 22. Bxf5 Rxf5 23. Rc1 Bc6 24. Nb3 Qe7 25. Nc5 g5 26. hxg5 hxg5 27. Bxg5 Rxg5 28. Qxg5 Ke8 29. Qxe7+ Kxe7 30. Nxb7 Bxb7 31. Rc7+ Kd8 32. Rxb7 Rh4 33. Rb6 Kd7 34. Rd6+ Ke7 35. Rxa6 Rxd4 36. Ra7+ Kd8 37. f3 Rd1+ 38. Kf2 Rd2+ 39. Kf1 Kc8 40. g4 Rh2 41. a4 Kd8 42. a5 Kc8 43. a6 d4 44. Re7 d3 45. Ke1 Re2+ 46. Kd1 Rxe5 47. Re8+ Kd7 48. a7 Ra5 49. a8Q Rxa8 50. Rxa8 Kd6 51. Kd2 Ke5 52. Ke3 1-0

[Event "Rio de Janeiro Duchamp U1800 op"]
[Site "Rio de Janeiro"]
[Date "2017.11.15"]
[Round "2.4"]
[White "Teixeira, Guilherme Vargas"]
[Black "Morais, Marcus Vinicius"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "1676"]
[PlyCount "32"]
[EventDate "2017.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. g3 cxd4 6. Nxd4 d5 7. Bg2 dxc4 8. Qa4+ Nbd7 9. 0-0 0-0 10. Rd1 Nb6 11. Qa3 Nbd7 12. h3 a6 13. Be3 e5 14. Ndb5 Rb8 15. Ba7 Ra8 16. Be3 Rb8 1/2-1/2

[Event "Rio de Janeiro Duchamp U1800 op"]
[Site "Rio de Janeiro"]
[Date "2017.11.11"]
[Round "1.8"]
[White "Morais, Marcus Vinicius"]
[Black "Barros, Jose Claide Teixeir"]
[Result "1-0"]
[ECO "C43"]
[BlackElo "1666"]
[PlyCount "99"]
[EventDate "2017.11.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nf6 4. e5 Nd5 5. Qxd4 c6 6. Bc4 Qb6 7. Bxd5 Qxd4 8. Bxf7+ Kxf7 9. Nxd4 d5 10. 0-0 Bc5 11. Nb3 Bb6 12. Nc3 Rf8 13. Na4 Bc7 14. f4 Bf5 15. Nd4 Be4 16. Nc5 Bb6 17. b4 Nd7 18. e6+ Ke7 19. exd7 Rad8 20. c3 Bxc5 21. bxc5 Kxd7 22. f5 Rf7 23. Bg5 Re8 24. a4 b6 25. cxb6 axb6 26. f6 g6 27. Rf2 c5 28. Nb5 Bd3 29. Rd2 Bc4 30. Na3 Bb3 31. Rb1 Bxa4 32. Rxb6 Bc6 33. Nb5 h6 34. Bxh6 Rxf6 35. Rxd5+ Bxd5 36. Rxf6 Bc4 37. Rd6+ Kc8 38. Rc6+ Kb7 39. Rxc5 Re1+ 40. Kf2 Rf1+ 41. Kg3 Be6 42. Re5 Bf5 43. Nd6+ Kc6 44. Nxf5 gxf5 45. Bf4 Rb1 46. Rxf5 Rb3 47. Be5 Kd7 48. h4 Ke6 49. Kf4 Rb2 50. g4 1-0

