[Event "Potiguar-ch sf"]
[Site "Natal"]
[Date "2015.09.07"]
[Round "7"]
[White "Pinheiro, Davi Sales"]
[Black "Valderrama, Sergio Antonio Andr"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1961"]
[PlyCount "69"]
[EventDate "2015.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. Qc2 c5 8. Rd1 cxd4 9. Nxd4 Qb6 10. Nc3 Nc5 11. h3 Ne6 12. Nb3 Bd7 13. Be3 Qc7 14. Rac1 Rac8 15. Qb1 a6 16. Nd5 Nxd5 17. cxd5 Nc5 18. Nxc5 dxc5 19. Bxc5 Qe5 20. e4 Rfe8 21. Bd4 Qd6 22. Qd3 Qb4 23. e5 Bb5 24. Qe3 Bc4 25. b3 Bb5 26. a4 Bd7 27. f4 Qa5 28. Bb6 Qb4 29. Bc5 Qa5 30. b4 Qd8 31. Ra1 Bf8 32. d6 e6 33. Bxb7 Rb8 34. Bg2 Qc8 35. Rdc1 1-0

[Event "Potiguar-ch sf"]
[Site "Natal"]
[Date "2015.09.07"]
[Round "6"]
[White "Valderrama, Sergio Antonio Andr"]
[Black "De Santana, Jose Ricardo Gonca"]
[Result "1-0"]
[ECO "B77"]
[BlackElo "1857"]
[PlyCount "100"]
[EventDate "2015.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Bc4 g6 7. Be3 Bg7 8. f3 0-0 9. Qd2 Bd7 10. 0-0 Ne5 11. Bb3 h5 12. h3 Rc8 13. Ndb5 a6 14. Nd4 Nc4 15. Bxc4 Rxc4 16. Nb3 Kh7 17. Rad1 Qc7 18. Bg5 Be6 19. Kh1 Qc8 20. Rc1 Re8 21. Nd5 Bxd5 22. exd5 Nd7 23. c3 Nf6 24. Nd4 Nxd5 25. Nb5 axb5 26. Qxd5 Rc5 27. Qd2 Qf5 28. Be3 Rd5 29. Qc2 Qd7 30. Qb3 Rd3 31. Bd4 Bxd4 32. Qxf7+ Bg7 33. Rce1 Rf8 34. Qxe7 Qxe7 35. Rxe7 Rd2 36. Rxb7 Rxb2 37. Re1 Kg8 38. Re6 Kh7 39. Ree7 Rg8 40. a4 Kh6 41. h4 Rb1+ 42. Kh2 Be5+ 43. f4 Bg7 44. axb5 Rf1 45. g3 Rf2+ 46. Kh3 Rc2 47. Re6 Rxc3 48. Rxd6 Re8 49. f5 Kh7 50. Rxg6 Rg8 1-0

[Event "Potiguar-ch sf"]
[Site "Natal"]
[Date "2015.09.06"]
[Round "4.14"]
[White "De Oliveira, Moises Alves Leite"]
[Black "Valderrama, Sergio Antonio Andr"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1701"]
[PlyCount "85"]
[EventDate "2015.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 0-0 6. Bg5 d6 7. Nc3 h6 8. Bh4 Be6 9. Nd5 Bxd5 10. Bxd5 Qe7 11. c3 Nd8 12. Re1 c6 13. Bb3 Ne6 14. d4 exd4 15. Nxd4 Nxd4 16. cxd4 Bb4 17. Re3 g5 18. Bg3 Qd7 19. h3 Rae8 20. Qf3 Kg7 21. Rd1 d5 22. Be5 Qd8 23. exd5 c5 24. a3 c4 25. Bxc4 Bd6 26. Bb5 Bxe5 27. Bxe8 Bf4 28. Rb3 Rxe8 29. Rxb7 Qa5 30. g3 Bd6 31. Qb3 Re1+ 32. Rxe1 Qxe1+ 33. Kg2 Qe4+ 34. Qf3 Qxd4 35. b4 Qe5 36. Rxa7 Bc7 37. a4 Nxd5 38. b5 Qd4 39. Rb7 Qe5 40. Qb3 Ne7 41. Qf3 Ba5 42. Qg4 Qf5 43. Rxe7 1-0

[Event "Potiguar-ch sf"]
[Site "Natal"]
[Date "2015.09.06"]
[Round "5"]
[White "Vital, Pablo Manoel Santan"]
[Black "Valderrama, Sergio Antonio Andr"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1564"]
[PlyCount "48"]
[EventDate "2015.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. h3 d5 6. Be2 Nbd7 7. 0-0 c5 8. c3 cxd4 9. cxd4 Nb6 10. Nbd2 Bd7 11. Qb3 Rc8 12. Rac1 Bc6 13. Ne5 Nfd7 14. Nxc6 Rxc6 15. Rxc6 bxc6 16. Rc1 e5 17. dxe5 Bxe5 18. Rxc6 Bxf4 19. exf4 Qe7 20. Qe3 Qb4 21. Nb3 Qa4 22. f5 Qxc6 23. Nd4 Qc5 24. Bh5 Nf6 0-1

[Event "Potiguar-ch sf"]
[Site "Natal"]
[Date "2015.09.05"]
[Round "2.13"]
[White "Macedo, Alexandre Soares"]
[Black "Valderrama, Sergio Antonio Andr"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1872"]
[PlyCount "53"]
[EventDate "2015.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 d5 3. e3 Nbd7 4. Nf3 g6 5. c4 e6 6. a3 Bg7 7. Qc2 0-0 8. Be2 c6 9. 0-0 Qc7 10. Nc3 Nb6 11. d3 dxc4 12. dxc4 Bd7 13. Ng5 c5 14. b5 a6 15. a4 axb5 16. axb5 Rxa1 17. Rxa1 Ra8 18. Rxa8+ Nxa8 19. Nce4 Nxe4 20. Nxe4 e5 21. Qd2 b6 22. Bf3 Qa7 23. Nc3 Be8 24. Qd8 Nc7 25. Bc6 Kf8 26. Nd5 Qa2 27. h3 1-0

[Event "Potiguar-ch sf"]
[Site "Natal"]
[Date "2015.09.05"]
[Round "3.21"]
[White "Valderrama, Sergio Antonio Andr"]
[Black "Marques, Dayvid Geverson Lop"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "1549"]
[PlyCount "85"]
[EventDate "2015.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 Nf6 7. Nbd2 Be6 8. 0-0 0-0 9. Ne4 Nxe4 10. Bxe4 d5 11. Bd3 Nd7 12. Be3 Bd6 13. Ng5 Nf6 14. Nxe6 fxe6 15. Re1 Qd7 16. c3 Rae8 17. Qc2 g6 18. h3 Nh5 19. Be2 Nf4 20. Bg4 Rf6 21. Bxf4 Bxf4 22. g3 Bd6 23. Re3 h5 24. Be2 Qf7 25. Bd3 Kg7 26. Rae1 g5 27. c4 c6 28. cxd5 cxd5 29. Bb5 Rf8 30. R1e2 h4 31. g4 Qe7 32. Qa4 Bb8 33. Bd7 Qd6 34. Re5 Rf3 35. Rxg5+ Kh6 36. Rh5+ Kg7 37. Rg5+ Kh8 38. Ree5 R8f4 39. Bxe6 Qf8 40. Rg8+ Qxg8 41. Bxg8 Bxe5 42. Bxd5 Bxd4 43. Qe8+ 1-0

[Event "Potiguar-ch sf"]
[Site "Natal"]
[Date "2015.09.04"]
[Round "1.27"]
[White "Valderrama, Sergio Antonio Andr"]
[Black "Melo, Guilherme Gama do N"]
[Result "1-0"]
[ECO "B80"]
[BlackElo "1576"]
[PlyCount "63"]
[EventDate "2015.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Be7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Bd7 10. Nb3 a6 11. Be2 Rc8 12. g4 Na5 13. Nxa5 Qxa5 14. g5 Ne8 15. f4 Nc7 16. h4 Bc6 17. h5 d5 18. exd5 Nxd5 19. Nxd5 Qxd2+ 20. Rxd2 Bxd5 21. Rg1 Bb4 22. c3 Bxc3 23. Rc2 Bb4 24. a3 Rxc2+ 25. Kxc2 Rc8+ 26. Kb1 Bd6 27. Bd3 e5 28. fxe5 Bxe5 29. Bf5 Rc4 30. Rd1 g6 31. Rxd5 gxf5 32. Rxe5 1-0

