[Event "Rio Verde Goiano op"]
[Site "Rio Verde"]
[Date "2023.12.03"]
[Round "6"]
[White "Costa, Paulo Sergio"]
[Black "Goncalves, Matheus Vieira"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1717"]
[BlackElo "1816"]
[PlyCount "86"]
[EventDate "2023.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 0-0 5. c4 c5 6. Nc3 Qa5 7. Qc2 d6 8. Bd3 Nc6 9. 0-0 Nb4 10. Qe2 Nxd3 11. Qxd3 cxd4 12. exd4 b6 13. Rfe1 Re8 14. a3 Bb7 15. b4 Qh5 16. Nd2 e5 17. dxe5 dxe5 18. Bg3 Rad8 19. Qc2 e4 20. Rad1 Qg4 21. h3 Qg5 22. Ncxe4 Nxe4 23. Nxe4 Rxe4 24. Rxd8+ Qxd8 25. Rxe4 Bxe4 26. Qxe4 Bb2 27. Qf3 Qc8 28. Qb3 Bd4 29. Qd3 Qd7 30. Kh2 h5 31. Qe4 Kg7 32. Be5+ Bxe5+ 33. Qxe5+ f6 34. Qe3 g5 35. c5 bxc5 36. Qxc5 h4 37. b5 Kf7 38. a4 Ke6 39. Qe3+ Kd6 40. f4 a6 41. b6 Kd5 42. Qd3+ Kc6 43. Qxa6 Qe7 1-0

[Event "Rio Verde Goiano op"]
[Site "Rio Verde"]
[Date "2023.12.02"]
[Round "3"]
[White "Goncalves, Matheus Vieira"]
[Black "Melo, Joao Pedro Goncalve"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1816"]
[BlackElo "1800"]
[PlyCount "15"]
[EventDate "2023.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 dxe4 6. Nxe4 b6 7. Bb5+ Nc6 8. Bxc6+ 1-0

[Event "Rio Verde Goiano op"]
[Site "Rio Verde"]
[Date "2023.12.01"]
[Round "1"]
[White "Goncalves, Matheus Vieira"]
[Black "Ferraz, Michel Liah"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1816"]
[BlackElo "1961"]
[PlyCount "62"]
[EventDate "2023.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. e5 Ne7 6. c4 Ng6 7. 0-0 Be7 8. d3 0-0 9. Nc3 f6 10. exf6 gxf6 11. h4 Qc7 12. Bh6 Rf7 13. Qd2 d5 14. h5 Ne5 15. Nh2 dxc4 16. Bf4 Bd6 17. Bxe5 Bxe5 18. Ng4 Bf4 19. Qe2 cxd3 20. Qxd3 f5 21. Ne3 a5 22. Rfe1 Ba6 23. Qc2 Qe7 24. g3 Be5 25. Ng2 Qf6 26. Na4 f4 27. g4 f3 28. Qxc5 Bd4 29. Qxc6 Bxf2+ 30. Kxf2 fxg2+ 31. Kg1 Qf2+ 0-1

[Event "Rio Verde Goiano op"]
[Site "Rio Verde"]
[Date "2023.12.01"]
[Round "2"]
[White "Oliveira, Douglas Carvalho"]
[Black "Goncalves, Matheus Vieira"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1768"]
[BlackElo "1816"]
[PlyCount "47"]
[EventDate "2023.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nf5 Qf6 6. g4 Nge7 7. Ne4 Bb4+ 8. c3 Qe5 9. Qc2 Nxf5 10. gxf5 d5 11. Ng3 Ba5 12. Bd2 0-0 13. Rg1 d4 14. f4 Qc5 15. Rg2 dxc3 16. Bxc3 Nd4 17. Qd3 Rd8 18. Ne4 Qxf5 19. Rg5 Qxf4 20. Rxa5 Qh4+ 21. Ng3 Nb3 22. Rh5 Rxd3 23. Rxh4 Rxc3 24. axb3 1-0

