[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.06"]
[Round "9.13"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Oliveira, Gabriel Betanio"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1776"]
[BlackElo "1825"]
[PlyCount "44"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Bd3 Nf6 6. Bg5 Bg4 7. 0-0 0-0 8. Nbd2 Nbd7 9. c3 c6 10. Qc2 g6 11. h3 Bxf3 12. Nxf3 Qc7 13. Rfe1 Rfe8 14. Re3 Rxe3 15. fxe3 Re8 16. Re1 Ne4 17. Bh4 Bg3 18. Rf1 Bxh4 19. Nxh4 Qg3 20. Nf3 g5 21. Nh2 Qxe3+ 22. Kh1 Ng3# 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.05"]
[Round "7.8"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Simao, Diogo Roger De Sous"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1776"]
[BlackElo "1953"]
[PlyCount "64"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 Nf6 5. Bf4 Bd6 6. Be5 c6 7. Nf3 0-0 8. e3 Bf5 9. Be2 Bxe5 10. Nxe5 Nbd7 11. Nxd7 Qxd7 12. 0-0 Rfe8 13. Bd3 Be4 14. f3 Bg6 15. Re1 Re7 16. Bxg6 hxg6 17. Qd2 Rae8 18. Re2 Qf5 19. Rae1 Qg5 20. Qd3 Nh5 21. g4 Nf6 22. h3 Qh4 23. Kg2 Nh7 24. e4 Ng5 25. f4 dxe4 26. Nxe4 Nxe4 27. Rxe4 Qf6 28. Kg3 Qd6 29. b3 Kf8 30. Kf3 Qd5 31. g5 f6 32. gxf6 gxf6 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.05"]
[Round "8.12"]
[White "Gomes, Johemary Sagastume"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1814"]
[BlackElo "1776"]
[PlyCount "65"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. Be2 Bf5 8. 0-0 Nbd7 9. a3 Bd6 10. Bg5 c6 11. Bd3 Be6 12. Qd2 Qc7 13. g3 Bg4 14. Nh4 Rfe8 15. Rfe1 Re6 16. Bf5 Bxf5 17. Nxf5 Rae8 18. Rxe6 fxe6 19. Nh4 e5 20. Re1 e4 21. Ne2 Rf8 22. Nf4 Qc8 23. Nf5 Qb8 24. Ne6 Rf7 25. Bh6 Nf8 26. Nfxg7 Nxe6 27. Nxe6 Kh8 28. Qg5 Qg8 29. Bg7+ Rxg7 30. Qxf6 Be7 31. Qe5 Qf7 32. Nxg7 Qxg7 33. Qb8+ 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.04"]
[Round "6.12"]
[White "Vilela, Paulo Sergio da Cam"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1800"]
[BlackElo "1776"]
[PlyCount "64"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. 0-0 Be7 5. d3 0-0 6. Nbd2 c5 7. Re1 b6 8. e4 dxe4 9. dxe4 Bb7 10. e5 Nd5 11. h4 Nd7 12. Nh2 Qc7 13. Ndf3 h6 14. a3 b5 15. Ng4 h5 16. Ngh2 Rfd8 17. Qe2 a6 18. Ng5 g6 19. Qf3 Rf8 20. Qd3 Nxe5 21. Qe2 Bf6 22. f4 Nd7 23. Nxe6 fxe6 24. Qxe6+ Kg7 25. Bxd5 Rae8 26. Qxe8 Rxe8 27. Rxe8 Bxd5 28. c3 Bb7 29. Nf1 Qc6 30. Re2 b4 31. Bd2 b3 32. Ne3 Qh1+ 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.29"]
[Round "4.16"]
[White "De Souza, Raquel Martins"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1800"]
[BlackElo "1776"]
[PlyCount "54"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nf3 c5 4. e5 d4 5. Be2 Nc6 6. 0-0 Nge7 7. Bg5 h6 8. Bh4 g5 9. Bg3 b6 10. h3 Bb7 11. c3 Qd7 12. c4 0-0-0 13. h4 g4 14. Nh2 h5 15. f3 Nf5 16. Bf4 g3 17. Ng4 hxg4 18. fxg4 Nxh4 19. Bxg3 Ng6 20. Kf2 Ncxe5 21. Ke1 Bxg2 22. Rg1 Qc6 23. Nd2 f5 24. g5 f4 25. Bf1 Bxf1 26. Rxf1 fxg3 27. Rxf8 Rdxf8 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.29"]
[Round "5.15"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Andrade, Joanderson Muller L"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1776"]
[BlackElo "1800"]
[PlyCount "51"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ng4 6. 0-0 Bc5 7. Bxf7+ Kxf7 8. Ng5+ Ke7 9. Qxg4 Nxe5 10. Re1 d6 11. Qh4 Kf8 12. Nxh7+ Ke8 13. Bg5 Rxh7 14. Bxd8 Rxh4 15. Bxh4 Kd7 16. Nd2 d3 17. cxd3 Nxd3 18. Re7+ Kc6 19. Rxg7 Nxb2 20. Rc1 Nd3 21. Rc3 Bf5 22. Nb3 Kd5 23. Rg5 Rf8 24. g4 Ke6 25. gxf5+ Kf7 26. Rxd3 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.28"]
[Round "2.6"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Azevedo, Alcides Alexandre"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1776"]
[BlackElo "2033"]
[PlyCount "46"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bg5 Nxe4 6. Be3 d5 7. Bd3 Nc5 8. Bb5+ Bd7 9. Nc3 e5 10. Nf3 d4 11. Nxd4 exd4 12. Qxd4 Ne6 13. Qe4 Bxb5 14. Nxb5 Qa5+ 15. Nc3 Bb4 16. Bd2 Nc6 17. 0-0 Rd8 18. Rfd1 0-0 19. a3 Bxc3 20. Bxc3 Qh5 21. Re1 Qg6 22. Qxg6 hxg6 23. f3 Ned4 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.27"]
[Round "1.19"]
[White "Melo, Guilherme Gama do N"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1735"]
[BlackElo "1776"]
[PlyCount "44"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. b3 cxd4 6. Nxd4 Nxe5 7. Bb2 Nc6 8. Nc3 Nf6 9. Bd3 Nxd4 10. Bxh7 Nxc2+ 11. Qxc2 Nxh7 12. 0-0 Be7 13. Rad1 0-0 14. Ne4 Bd7 15. Qc3 Nf6 16. Nc5 Rc8 17. b4 b6 18. Nb7 Rxc3 19. Nxd8 Rc2 20. Bxf6 Bxf6 21. Rc1 Rxc1 22. Rxc1 Rxd8 0-1

[Event "Natal op"]
[Site "Natal"]
[Date "2013.09.08"]
[Round "5"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Caldas, Danilo Raposo Freir"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1776"]
[BlackElo "1725"]
[PlyCount "69"]
[EventDate "2013.09.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. e5 dxe5 6. Nxe5 Qc7 7. d4 e6 8. 0-0 Bd6 9. f4 cxd4 10. cxd4 Bxe5 11. fxe5 Nd5 12. Bd2 Qb6 13. Bc3 Ne3 14. Qc1 Nxf1 15. Qxf1 Nc6 16. Qf4 Ne7 17. Na3 Nd5 18. Qg3 g6 19. Nc4 Qc7 20. Nd6+ Kf8 21. Qf3 Be8 22. Rc1 Qe7 23. Bd2 h5 24. Bd3 Rd8 25. Ne4 Qd7 26. Nc5 Qe7 27. Bxg6 b6 28. Bg5 Qxg5 29. Nxe6+ Kg8 30. Bxf7+ Bxf7 31. Nxg5 Bg6 32. e6 Rf8 33. Qxd5 Re8 34. Rc7 Rh6 35. Qd7 1-0

[Event "Natal op"]
[Site "Natal"]
[Date "2013.09.08"]
[Round "6"]
[White "Jordao Barbosa, Marcio Ferre"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1936"]
[BlackElo "1776"]
[PlyCount "136"]
[EventDate "2013.09.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nge7 5. Be3 d5 6. exd5 Nxd4 7. Qxd4 Nxd5 8. Bd2 Be6 9. a3 Be7 10. Nc3 Bf6 11. Qc5 Qe7 12. Qxe7+ Nxe7 13. 0-0-0 0-0-0 14. Be2 Nd5 15. Ne4 Be7 16. Ng5 Bxg5 17. Bxg5 f6 18. Bd2 Rhe8 19. Rhe1 Re7 20. Bc4 c6 21. h3 Rde8 22. Re2 Nf4 23. Bxe6+ Nxe6 24. Rde1 Kd7 25. h4 Nd4 26. Rxe7+ Rxe7 27. Rxe7+ Kxe7 28. Be3 c5 29. b4 b6 30. c3 Ne6 31. Kc2 Kd6 32. Kd3 a6 33. c4 b5 34. g4 g6 35. Bd2 Ke5 36. f3 cxb4 37. axb4 bxc4+ 38. Kxc4 Kd6 39. Be3 f5 40. Bf2 fxg4 41. Bg3+ Kc6 42. fxg4 h5 43. gxh5 gxh5 44. Be5 Nf8 45. Bf6 Nd7 46. Be7 Nb6+ 47. Kd4 Kb5 48. Ke4 Kc4 49. Kf5 Nd5 50. Bf8 Nxb4 51. Kg5 Nd5 52. Kxh5 Nf6+ 53. Kg6 Ng4 54. Bg7 Kd5 55. Kg5 Nf2 56. Kf5 Kd6 57. Bf8+ Kd7 58. Bc5 Nd3 59. Bd4 Ke7 60. Ke4 Ne1 61. Bc3 Ng2 62. h5 Kf7 63. Kf3 Nh4+ 64. Kg4 Ng6 65. Kg5 Nf8 66. h6 Kg8 67. Bb4 Ne6+ 68. Kf6 Kh7 1/2-1/2

[Event "Natal op"]
[Site "Natal"]
[Date "2013.09.07"]
[Round "3"]
[White "Da Silva, Cibele Florencio"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1650"]
[BlackElo "1776"]
[PlyCount "60"]
[EventDate "2013.09.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Qf3 d4 4. Nb5 a6 5. Na3 e5 6. Bc4 Nf6 7. d3 Be7 8. Bg5 0-0 9. Qg3 Nc6 10. Nf3 Qd6 11. Rb1 Qb4+ 12. Bd2 Qd6 13. h4 b5 14. Bb3 Nd7 15. h5 Nb6 16. h6 g6 17. Rh5 Bf6 18. Bg5 Bh8 19. Bd2 Be6 20. Nh4 Bxb3 21. axb3 Bf6 22. Bg5 Nd7 23. Bxf6 Qxf6 24. Ke2 Kh8 25. Rg5 Nd8 26. Nf3 Ne6 27. Rg4 Nf4+ 28. Kd2 Qe7 29. Rg1 Nf6 30. Qh4 Qb4+ 0-1

[Event "Natal op"]
[Site "Natal"]
[Date "2013.09.07"]
[Round "4"]
[White "Medeiros, Israel Costa Smith"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1938"]
[BlackElo "1776"]
[PlyCount "61"]
[EventDate "2013.09.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. 0-0 Nxd5 9. d4 h6 10. Nf3 e4 11. Ne5 Qe6 12. Qe2 Nc6 13. Qxe4 f5 14. Qe2 Nxd4 15. Qh5+ Kd8 16. Nf7+ Kc8 17. Nxh8 Nxc2 18. Qd1 Nxa1 19. Re1 Qc6 20. Nc3 Nb4 21. Qh5 b6 22. Qxf5+ Kb7 23. Nf7 Nac2 24. Ne5 Nd4 25. Qg4 Qc5 26. Qe4+ Ka6 27. Qxa8 Nbc2 28. Qc8+ Ka5 29. Nd3 Qc6 30. Re5+ b5 31. Qxf8 1-0

[Event "Natal op"]
[Site "Natal"]
[Date "2013.09.06"]
[Round "2"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Albuquerque, Rafael Anderson"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1776"]
[BlackElo "2011"]
[PlyCount "43"]
[EventDate "2013.09.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Qxd4 Bc5 8. Qa4 Bxf2+ 9. Kf1 Bd7 10. Nbd2 a6 11. Bd3 Nxe5 12. Qb3 Nxd2+ 13. Bxd2 Nxf3 14. gxf3 Qh4 15. Qxd5 0-0-0 16. Qg5 Bh3+ 17. Ke2 Rhe8+ 18. Kd1 Qxg5 19. Bxg5 f6 20. Bd2 Bg2 21. Re1 Bxf3+ 22. Be2 0-1

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2013.07.07"]
[Round "6"]
[White "Da Silva, Daniele Benicio"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1785"]
[BlackElo "1788"]
[PlyCount "110"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. Bc4 d5 3. exd5 exd5 4. Be2 Nf6 5. Nf3 Bd6 6. 0-0 0-0 7. d4 Bf5 8. Nc3 Nbd7 9. Bd3 Be4 10. Re1 Re8 11. Be3 Ng4 12. h3 Nxe3 13. fxe3 Nf6 14. Ng5 h6 15. Ngxe4 Nxe4 16. Bxe4 dxe4 17. Rf1 Qg5 18. Qe2 Qg3 19. Qg4 Qh2+ 20. Kf2 h5 21. Qg5 Re6 22. Rh1 Rf6+ 23. Ke2 Qg3 24. Qxg3 Bxg3 25. Nxe4 Rg6 26. Nxg3 Rxg3 27. Kf2 h4 28. Rhe1 Re8 29. e4 g5 30. Re3 c5 31. c3 cxd4 32. cxd4 Rxe3 33. Kxe3 Rc8 34. Kd3 Kf8 35. Rf1 Ke7 36. Rf5 f6 37. e5 fxe5 38. Rxe5+ Kf6 39. b4 Rc1 40. Re2 b5 41. Ke4 Ke6 42. Rf2 Re1+ 43. Kd3 Rd1+ 44. Ke3 Rb1 45. Kd3 Rxb4 46. Re2+ Kd6 47. Re5 Rb2 48. Rxg5 Rxa2 49. Rxb5 Rxg2 50. Ke4 Rg3 51. Ra5 Rxh3 52. Rxa7 Rh1 53. Ra6+ Kc7 54. d5 h3 55. Rh6 h2 0-1

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2013.07.07"]
[Round "5"]
[White "De Morais, Alemberg Beserra"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1800"]
[BlackElo "1788"]
[PlyCount "73"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 Nh5 5. Bg3 Nxg3 6. fxg3 Bd6 7. Bd3 c5 8. c3 c4 9. Bc2 b5 10. 0-0 h6 11. Nbd2 0-0 12. e4 Qb6 13. e5 Bc7 14. Bb1 Nd7 15. Qc2 g6 16. Nh4 Nxe5 17. Ndf3 Nd3 18. Qd2 Kg7 19. Bxd3 cxd3 20. Qxd3 b4 21. Qc2 Ba6 22. Rf2 g5 23. Re1 gxh4 24. Nxh4 Rae8 25. Qd1 f5 26. Qh5 e5 27. Rxf5 Qe6 28. cxb4 Bd3 29. Qg4+ Kh7 30. Rc1 Bb8 31. Rxf8 Qxg4 32. Rxe8 Qxd4+ 33. Kh1 Bd6 34. Rd8 Be7 35. Rd7 Qxb4 36. a3 Qg4 37. Rxe7+ 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2013.07.06"]
[Round "4"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Azevedo, Edmundo Roberto Ram"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1788"]
[BlackElo "1998"]
[PlyCount "88"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ng8 5. d4 Bg4 6. Be2 e6 7. Be3 Nd7 8. Nd2 Bxe2 9. Nxe2 c5 10. c3 Ne7 11. f4 Nf5 12. Bf2 h5 13. Ng3 Nxg3 14. hxg3 cxd4 15. cxd4 Qb6 16. Qe2 Bb4 17. Rc1 Ke7 18. 0-0 Rhc8 19. Qd3 Bxd2 20. Qxd2 g6 21. b3 Kf8 22. Rc3 Kg7 23. Rfc1 Qd8 24. Qe2 Rxc3 25. Rxc3 Rc8 26. Rxc8 Qxc8 27. g4 Qc1+ 28. Be1 hxg4 29. g3 Nb8 30. Kf1 Nc6 31. Qxg4 Nxd4 32. Qg5 Qxe1+ 33. Kxe1 Nf3+ 34. Ke2 Nxg5 35. fxg5 a5 36. a4 Kf8 37. Kd3 Ke8 38. Kd4 Kd8 39. Kc5 Kc7 40. g4 b6+ 41. Kb5 Kb7 42. b4 axb4 43. Kxb4 Kc6 44. a5 bxa5+ 0-1

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2013.07.06"]
[Round "3"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Oliveira, Gabriel Betanio"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1788"]
[BlackElo "1825"]
[PlyCount "35"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nc6 5. Bd3 Nf6 6. Nc3 Bb4 7. Bd2 Bg4 8. 0-0 0-0 9. a3 Ba5 10. Be3 Bxc3 11. bxc3 Ne4 12. c4 Ne7 13. cxd5 Qxd5 14. c4 Qe6 15. d5 Qg6 16. Ne5 Qh5 17. Nxg4 Nd6 18. Nf6+ 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2013.07.05"]
[Round "2"]
[White "De Sousa, Leonardo Santos"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2058"]
[BlackElo "1788"]
[PlyCount "45"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c5 5. e3 Nc6 6. dxc5 Bxc5 7. cxd5 Nxd5 8. Nxd5 exd5 9. Be2 0-0 10. 0-0 Bf5 11. Qb3 Nb4 12. Bd2 Bc2 13. Qc3 Rc8 14. Qe5 Re8 15. Qg3 Bd6 16. Qh3 Nd3 17. Bc3 Ne5 18. Rac1 Nxf3+ 19. Bxf3 Be4 20. Rcd1 Qe7 21. Rd2 Bb4 22. Bxe4 Bxc3 23. Qxh7+ 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2013.07.05"]
[Round "1"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Dos Santos, Layzy Barbosa"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1788"]
[PlyCount "69"]
[EventDate "2013.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. d4 Nf6 5. e5 d5 6. Bb5 c4 7. exf6 Qxf6 8. 0-0 Bd7 9. c3 Bd6 10. Ba4 a6 11. Bc2 b5 12. Bg5 Qe7 13. Bxe7 Nxe7 14. Nbd2 0-0-0 15. a4 f6 16. axb5 Bxb5 17. Re1 e5 18. dxe5 Bc5 19. exf6 gxf6 20. b3 cxb3 21. Nxb3 Bd6 22. Nbd4 Bc4 23. Bd3 Ng6 24. Bxc4 dxc4 25. Qa4 Ne5 26. Nxe5 fxe5 27. Qxc4+ Kd7 28. Qc6+ Ke7 29. Nf5+ Ke6 30. Nxd6 Rxd6 31. Qc4+ Kf6 32. Rxa6 Rhd8 33. Rd1 Ke7 34. Rdxd6 Rxd6 35. Qc7+ 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.09"]
[Round "9"]
[White "Costa Avelino, Thiago Cesar"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1714"]
[PlyCount "46"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nf3 e6 4. e3 Be7 5. Nc3 b6 6. Bd3 0-0 7. 0-0 Bb7 8. cxd5 exd5 9. Bd2 Nbd7 10. Qa4 c5 11. Rfe1 a6 12. dxc5 Nxc5 13. Qc2 Rc8 14. Bf5 Ne6 15. Qd3 g6 16. Bh3 Qd6 17. Nd4 Nc5 18. Qe2 Rc7 19. g3 b5 20. b4 Ncd7 21. Ncxb5 axb5 22. Nxb5 Ba6 23. Nxd6 Bxe2 1/2-1/2

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.08"]
[Round "7"]
[White "Dantas, David Luan de Barro"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1821"]
[PlyCount "117"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. Nc3 d5 7. cxd5 exd5 8. d4 Be7 9. Bg5 0-0 10. Rc1 Ne4 11. Bxe7 Qxe7 12. dxc5 Nxc3 13. Rxc3 bxc5 14. Qc2 Na6 15. e3 Nb4 16. Qb1 Rac8 17. a3 Nc6 18. Rd1 Rfd8 19. Rcd3 Ne5 20. Nxe5 Qxe5 21. b4 c4 22. Rd4 c3 23. Rc1 Rd7 24. Qb3 Rdc7 25. Bxd5 Bxd5 26. Qxd5 Qf6 27. Qd6 Qxd6 28. Rxd6 Kf8 29. Rc2 Ke7 30. Rd4 Ke6 31. Kf1 Rc4 32. Rxc4 Rxc4 33. Ke2 Kd5 34. Kd3 Rc6 35. Rxc3 Rf6 36. Rc5+ Kd6 37. f4 Re6 38. e4 g6 39. e5+ Kd7 40. Ra5 a6 41. b5 axb5 42. Rxb5 Ra6 43. Rb3 Ke6 44. g4 h5 45. gxh5 gxh5 46. Ke3 Kf5 47. Kf3 Ra4 48. Kg3 Rxf4 49. Rf3 h4+ 50. Kg2 Kxe5 51. Rxf4 Kxf4 52. a4 Ke4 53. a5 Kd5 54. Kh3 Kc5 55. Kxh4 Kb5 56. Kg5 Kxa5 57. h4 Kb5 58. h5 Kc5 59. Kf6 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.08"]
[Round "8"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Dantas, Isaac Pereira"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1602"]
[PlyCount "99"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. g3 Nc6 2. Bg2 b6 3. Nf3 Bb7 4. c4 Rb8 5. d4 e6 6. 0-0 g6 7. Bf4 Bg7 8. Nc3 Nf6 9. e4 d6 10. Qd2 0-0 11. Bh6 Ne7 12. Rfe1 c5 13. Rad1 a6 14. h3 Qc7 15. Bxg7 Kxg7 16. e5 dxe5 17. dxe5 Nfg8 18. Qd6 Rbc8 19. Rd2 Nf5 20. Qxc7 Rxc7 21. g4 Bxf3 22. gxf5 Bxg2 23. f6+ Kh8 24. Kxg2 Nh6 25. Rd6 Rb7 26. Red1 Nf5 27. Rd7 Rbb8 28. Ne2 h5 29. Ra7 a5 30. Rdd7 Kg8 31. Nc3 Nd4 32. Ne4 Nc6 33. Rab7 Nxe5 34. Rxb8 Rxb8 35. Rc7 Nxc4 36. b3 Ne5 37. f4 Nd3 38. Kf3 Nc1 39. Nd6 Rf8 40. Rb7 Nxa2 41. Rxb6 Nc1 42. Nc4 Rd8 43. Nxa5 Rd3+ 44. Kf2 Rxh3 45. b4 cxb4 46. Nc6 b3 47. Rb8+ Kh7 48. Ne5 g5 49. Nxf7 Kg6 50. Nxg5 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.07"]
[Round "6"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "De Lima, Alan Silva"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1875"]
[PlyCount "52"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Bg4 4. e3 dxc4 5. Bxc4 Nf6 6. Nc3 Nbd7 7. Ng5 e6 8. f3 Bh5 9. 0-0 Bd6 10. Qb3 h6 11. Nge4 Nb6 12. Nxf6+ Qxf6 13. Ne4 Qd8 14. Bxe6 fxe6 15. Qxe6+ Be7 16. b3 Bf7 17. Qg4 0-0 18. Bb2 Qd5 19. Rad1 Rac8 20. Nc3 Qh5 21. Qg3 Bh4 22. Qd6 Rfd8 23. Qb4 Qg6 24. e4 Qe6 25. Qa5 Qe7 26. Qa3 Bf6 0-1

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.03"]
[Round "5"]
[White "Oliveira Jr, Antonio Fernandes"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1862"]
[PlyCount "66"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. c3 e6 4. Bf4 d5 5. e3 Nh5 6. Bg5 Be7 7. Bxe7 Qxe7 8. Be2 Nd7 9. 0-0 b6 10. Nbd2 Nhf6 11. c4 cxd4 12. Nxd4 Bb7 13. Rc1 0-0 14. cxd5 Bxd5 15. Bf3 Rac8 16. Nc6 Rxc6 17. Rxc6 Bxc6 18. Bxc6 Ne5 19. Ba4 Qb4 20. Qc2 Rd8 21. Rd1 g6 22. a3 Qe7 23. h3 a6 24. b4 Qd6 25. f4 Ned7 26. Nf3 Qe7 27. Nd4 Nf8 28. Rc1 Rd6 29. Qc8 b5 30. Bb3 Qd7 31. Qb8 Nd5 32. Bxd5 Rxd5 33. Rc7 Qd6 0-1

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.02"]
[Round "3"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Medeiros, Israel Costa Smith"]
[Result "1/2-1/2"]
[ECO "A00"]
[BlackElo "1870"]
[PlyCount "96"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. c4 dxc4 4. Qa4+ c6 5. Qxc4 Be6 6. Qc2 Nf6 7. Nc3 Bd6 8. d3 0-0 9. Nf3 h6 10. b3 Qd7 11. Bb2 Bh3 12. 0-0 Re8 13. Rad1 Bxg2 14. Kxg2 Qe7 15. Nd2 Nd5 16. Nce4 Bc7 17. Qc1 b6 18. e3 Nb4 19. Qb1 Qd7 20. Nf3 f5 21. Nc3 Qf7 22. a3 Nd5 23. Rfe1 Nxc3 24. Bxc3 Nd7 25. Re2 Rf8 26. Rde1 f4 27. exf4 Qd5 28. Qa2 exf4 29. b4 Qxa2 30. Rxa2 Rae8 31. Rae2 Rxe2 32. Rxe2 Rf7 33. Re8+ Kh7 34. Nd4 Be5 35. Kf1 f3 36. Ke1 Bxd4 37. Bxd4 c5 38. bxc5 Nxc5 39. Bxc5 bxc5 40. Rc8 Re7+ 41. Kf1 Rb7 42. Ke1 Rb3 43. Kd2 Rxa3 44. Rxc5 g5 45. d4 Kg8 46. Rc6 Ra5 47. Ke3 g4 48. Ke4 h5 1/2-1/2

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.01"]
[Round "2"]
[White "Araujo Frota, Rewbenio"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2011"]
[PlyCount "88"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Bb4 6. a3 Bxc3+ 7. bxc3 Nbd7 8. Bd3 c5 9. 0-0 0-0 10. Qc2 b6 11. cxd5 exd5 12. a4 Bb7 13. Ba3 Re8 14. Rfb1 cxd4 15. cxd4 Ne4 16. Bb4 Rc8 17. Qb2 Ndf6 18. Ne5 Nd7 19. Nf3 Re6 20. Rc1 Rec6 21. Bb5 R6c7 22. Bxd7 Qxd7 23. Ne5 Rxc1+ 24. Rxc1 Rxc1+ 25. Qxc1 Qxa4 26. Be1 h6 27. Qc7 f6 28. Qxb7 fxe5 29. Qxd5+ Kh8 30. Qa8+ Kh7 31. Qxe4+ Kh8 32. f3 Qd1 33. Kf2 exd4 34. Qxd4 Qc2+ 35. Qd2 Qc5 36. Qd8+ Kh7 37. Qd3+ Kh8 38. Bc3 a5 39. Qd4 Qc7 40. Ke2 b5 41. Qe5 Qc4+ 42. Kd2 Qa2+ 43. Bb2 Qf7 44. Qxb5 Qd7+ 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.10.01"]
[Round "1"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Carneiro, Francisco Caninde S"]
[Result "1-0"]
[ECO "A20"]
[BlackElo "1938"]
[PlyCount "51"]
[EventDate "2011.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. c4 c6 4. cxd5 cxd5 5. Qb3 Nf6 6. d3 Bd6 7. Bg5 Nbd7 8. Bxd5 Qa5+ 9. Nc3 Nc5 10. Qb5+ Qxb5 11. Nxb5 Bb8 12. Bxf6 gxf6 13. Rc1 a6 14. Rxc5 Ba7 15. Nxa7 Bd7 16. Bxb7 Rxa7 17. Bc6 Ke7 18. Bxd7 Kxd7 19. Nf3 Rb8 20. b3 a5 21. 0-0 a4 22. Rb1 Rab7 23. Nd2 Kd6 24. Ra5 axb3 25. Rxb3 Rxb3 26. axb3 1-0

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.08.21"]
[Round "5"]
[White "Dantas, David Luan de Barro"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "1833"]
[PlyCount "52"]
[EventDate "2011.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 dxc4 5. e3 c5 6. Bxc4 Be7 7. 0-0 0-0 8. Qe2 a6 9. a4 Nc6 10. Rd1 Qc7 11. b3 b6 12. Bb2 Bb7 13. d5 exd5 14. Nxd5 Nxd5 15. Bxd5 Rfd8 16. e4 Nb4 17. Bxb7 Qxb7 18. Rd2 Rxd2 19. Nxd2 Rd8 20. Rd1 Qd7 21. Be5 f6 22. Bf4 Qd3 23. Re1 Nc2 24. Qxd3 Rxd3 25. Rc1 Nd4 26. Rb1 Ne2+ 0-1

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.08.21"]
[Round "6"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Boualit, Michael"]
[Result "1/2-1/2"]
[ECO "C07"]
[BlackElo "1732"]
[PlyCount "94"]
[EventDate "2011.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 Qxd5 7. N4f3 Bd7 8. Be2 e5 9. Nb3 Qxd1+ 10. Bxd1 Nc6 11. 0-0 Bd6 12. Bg5 Ne4 13. Be3 0-0 14. c3 Be7 15. Bc2 Bf5 16. h3 Bg6 17. Rad1 Rad8 18. Bb1 h6 19. Nh2 Bh7 20. Nc1 Nc5 21. Bxh7+ Kxh7 22. b4 Ne4 23. Ne2 b6 24. f3 Nf6 25. b5 Na5 26. Ng4 Nxg4 27. fxg4 Nc4 28. Bc1 Bc5+ 29. Kh1 f6 30. Ng3 Kg6 31. h4 Be3 32. Nf5 Bxc1 33. Rxc1 Rd2 34. Rcd1 Rfd8 35. Ra1 Rc2 36. Ne7+ Kf7 37. Nc6 Rdd2 38. Rg1 Ne3 39. Nb4 Rb2 40. Rab1 Rxb1 41. Rxb1 Nxg4 42. Ra1 e4 43. Nc6 e3 44. Nd4 e2 45. Re1 Rd1 46. Nf3 Ne5 47. Kg1 Nxf3+ 1/2-1/2

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.08.20"]
[Round "3"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Da Silva Filho, Ibernon Luiz"]
[Result "0-1"]
[ECO "B95"]
[BlackElo "1776"]
[PlyCount "57"]
[EventDate "2011.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. Bc4 0-0 9. 0-0 Nbd7 10. f4 Nb6 11. Bd3 d5 12. e5 Nfd7 13. Nf3 h6 14. Qe2 hxg5 15. Nxg5 Bxg5 16. Qh5 Bh6 17. g4 Nc5 18. g5 Nxd3 19. cxd3 Bxg5 20. fxg5 Nd7 21. Rf4 Nxe5 22. d4 Ng6 23. Rf3 e5 24. dxe5 Nxe5 25. Rf4 Ng6 26. Rd4 Qd6 27. Rad1 Be6 28. Ne2 Rac8 29. Kh1 0-1

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.08.19"]
[Round "2"]
[White "Da Silva, Antonio Dutra"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1791"]
[PlyCount "63"]
[EventDate "2011.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 Nc6 6. h3 a6 7. Qd3 b5 8. Bf3 Bb7 9. g4 Na7 10. g5 b4 11. gxf6 bxc3 12. Qxc3 Bxf6 13. a4 0-0 14. Ne2 Rc8 15. Qd2 c6 16. h4 e5 17. dxe5 Bxe5 18. Bxa7 Qf6 19. Bg4 Rc7 20. Bd4 c5 21. Bxe5 Qxe5 22. f3 f5 23. Bh3 fxe4 24. 0-0-0 exf3 25. Nc3 f2 26. Rhf1 Qg3 27. Be6+ Kg7 28. Bd5 Qxh4 29. Bxb7 Rxb7 30. Qxd6 Qf4+ 31. Qxf4 Rxf4 32. Rd2 1/2-1/2

[Event "Natal Potiguar op"]
[Site "Natal"]
[Date "2011.08.19"]
[Round "1"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Macedo, Alexandre Soares"]
[Result "0-1"]
[ECO "B66"]
[BlackElo "1940"]
[PlyCount "100"]
[EventDate "2011.08.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Nc6 8. Bc4 Bd7 9. 0-0 Qc7 10. a3 Be7 11. Rad1 Rc8 12. Bb3 h6 13. Be3 Ng4 14. Rfe1 Nxe3 15. Qxe3 Bf6 16. Nce2 Na5 17. c3 Nxb3 18. Nxb3 Ba4 19. Nec1 0-0 20. Rd2 Rfd8 21. Nd4 Bd7 22. f4 e5 23. Nf3 Bg4 24. Nd3 exf4 25. Nxf4 Qc5 26. Nd4 Bg5 27. Qg3 Qe5 28. Rf2 Bd7 29. h4 Be7 30. Nf3 Qc5 31. Nd5 Re8 32. Nd4 Be6 33. Nxe6 fxe6 34. b4 Qc6 35. Nxe7+ Rxe7 36. Ref1 Qxe4 37. Qxd6 Qxh4 38. Rf4 Qg5 39. c4 Rce8 40. a4 b5 41. Qxa6 bxa4 42. Qxa4 Rd8 43. Qa5 Qxa5 44. bxa5 Ra7 45. Ra1 Rda8 46. Re4 Kf7 47. Re5 Ra6 48. Rb5 R8a7 49. c5 Ke7 50. Kf2 Kf6 0-1

[Event "Natal Potiguar op 4th"]
[Site "Natal"]
[Date "2009.07.12"]
[Round "5"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Del Castillo Neto, Lucimar Amoras"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "22"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f6 3. Bc4 c6 4. Nc3 b5 5. Bb3 b4 6. Na4 d5 7. exd5 cxd5 8. c3 Nc6 9. 0-0 bxc3 10. dxc3 Be6 11. Nc5 Bxc5 0-1

[Event "Natal Potiguar op 4th"]
[Site "Natal"]
[Date "2009.07.12"]
[Round "6"]
[White "Pereira, Wilson Roberto De M"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "C03"]
[PlyCount "67"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 b6 4. Ngf3 dxe4 5. Nxe4 Be7 6. Bd3 Nf6 7. 0-0 h6 8. Re1 Bb7 9. c3 Nbd7 10. Qe2 0-0 11. Nxf6+ Nxf6 12. Bf4 Nh5 13. Bd2 Bd6 14. Ne5 Nf6 15. Rad1 Nd7 16. Nxd7 Qxd7 17. Qh5 f5 18. f4 Rae8 19. Qe2 Bc8 20. Rf1 Rf6 21. Rde1 Rg6 22. Bxf5 Rf6 23. Bd3 Ref8 24. g3 c5 25. Be3 Bb7 26. Bf2 cxd4 27. Bxd4 e5 28. Bb5 Qc7 29. fxe5 Rxf1+ 30. Rxf1 Rxf1+ 31. Kxf1 Be7 32. e6 Qd6 33. Qg4 g5 34. Qf5 1-0

[Event "Natal Potiguar op 4th"]
[Site "Natal"]
[Date "2009.07.11"]
[Round "3"]
[White "Kosminsky, Ellen"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1602"]
[PlyCount "88"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Nbd7 5. Nf3 Be7 6. cxd5 exd5 7. Bd3 c6 8. 0-0 0-0 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bc2 Be6 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Bb3 Rfe8 16. Re1 Nd5 17. Rc1 Re7 18. Re2 Rae8 19. Qc2 Bg4 20. Rce1 Bxf3 21. gxf3 Rxe2 22. Rxe2 Rxe2 23. Qxe2 h6 24. Qe8+ Qf8 25. Qxf8+ Kxf8 26. Bxd5 cxd5 27. Kg2 Ke7 28. Kg3 Kf6 29. Kf4 g5+ 30. Ke3 b5 31. f4 Kf5 32. Kf3 a5 33. fxg5 hxg5 34. h3 b4 35. b3 Ke6 36. h4 gxh4 37. Kg4 h3 38. Kxh3 Kf5 39. Kh4 Ke4 40. Kg5 Kxd4 41. Kf6 Ke4 42. Kxf7 Kf3 43. Ke6 d4 44. Kd5 d3 0-1

[Event "Natal Potiguar op 4th"]
[Site "Natal"]
[Date "2009.07.11"]
[Round "4"]
[White "Oliveira Jr, Antonio Fernandes"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1861"]
[PlyCount "41"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Nbd7 5. Nf3 Be7 6. g4 Nxg4 7. Rg1 Ngf6 8. Rxg7 dxc4 9. Bxc4 Nb6 10. Bb3 Bd7 11. Ne5 Rf8 12. Qf3 c6 13. e4 Qc7 14. Bg5 0-0-0 15. Bxf6 Bxf6 16. Qxf6 Be8 17. Bxe6+ Nd7 18. Bxd7+ Bxd7 19. Rxf7 Rxf7 20. Nxf7 Rf8 21. Nd6+ 1-0

[Event "Natal Potiguar op 4th"]
[Site "Natal"]
[Date "2009.07.10"]
[Round "2"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Silva, Alesandro Lira"]
[Result "0-1"]
[ECO "B58"]
[BlackElo "2013"]
[PlyCount "38"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. Be3 Bd7 8. Qd2 Rc8 9. 0-0 e6 10. a3 Be7 11. f4 0-0 12. g4 e5 13. g5 exd4 14. gxf6 Bxf6 15. e5 dxe5 16. fxe5 dxe3 17. Qxe3 Bxe5 18. Rad1 Qe8 19. Qd3 Rd8 0-1

[Event "Natal Potiguar 2nd op"]
[Site "Natal"]
[Date "2007.07.22"]
[Round "7.14"]
[White "Born, Ary"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "77"]
[EventDate "2007.07.20"]
[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. Bf4 e6 3. Nd2 d6 4. h3 Nbd7 5. e3 e5 6. Bg5 Be7 7. Ngf3 e4 8. Nh4 h6 9. Bxf6 Nxf6 10. Be2 Nd5 11. g3 Nf6 12. Bg4 d5 13. Nf5 0-0 14. Nxe7+ Qxe7 15. Bxc8 Raxc8 16. c3 Nh7 17. Qh5 Qf6 18. h4 Qd6 19. 0-0-0 Nf6 20. Qe2 c5 21. Nb3 c4 22. Nc5 Qc6 23. g4 b6 24. g5 Nh7 25. gxh6 Qxh6 26. Nd7 Rfd8 27. Ne5 Nf8 28. Rdg1 Rd6 29. h5 f6 30. Ng6 Kf7 31. Qg4 Ne6 32. Kb1 Qg5 33. Qh3 Qh6 34. Qf5 Ke8 35. Nf4 Kd7 36. Nxd5 Kc6 37. Ne7+ Kd7 38. Nxc8 Rd5 39. Qxd5+ 1-0

[Event "Natal Potiguar 2nd op"]
[Site "Natal"]
[Date "2007.07.22"]
[Round "6.16"]
[White "Jordao Barbosa, Marcio Ferre"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "68"]
[EventDate "2007.07.20"]
[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 Nxd4 5. Qxd4 e6 6. Nc3 Ne7 7. Bc4 Nc6 8. Qd1 Bb4 9. Bd2 0-0 10. a3 Bc5 11. 0-0 a6 12. Ne2 b5 13. Bd3 Bb7 14. Ng3 d5 15. Qg4 Ne5 16. Qh3 Nxd3 17. cxd3 dxe4 18. Bc3 exd3 19. Qg4 f6 20. Nh5 g6 21. Nxf6+ Rxf6 22. Bxf6 Qxf6 23. b4 Bd4 24. Rad1 Rd8 25. Kh1 Bb2 26. Rd2 Rd4 27. Qd1 Qg5 28. f3 Bxa3 29. Rxd3 Rxd3 30. Qxd3 Bxb4 31. Rd1 Bd5 32. Qc2 Qd8 33. Qb2 Bd6 34. Qa1 Qb6 0-1

[Event "Natal Potiguar 2nd op"]
[Site "Natal"]
[Date "2007.07.21"]
[Round "5.14"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "Macedo, Alexandre Soares"]
[Result "0-1"]
[ECO "A49"]
[BlackElo "2088"]
[PlyCount "83"]
[EventDate "2007.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 g6 2. Nf3 Bg7 3. d4 Nf6 4. Nc3 b6 5. e4 Bb7 6. e5 Nd5 7. Bd2 c5 8. Qe2 cxd4 9. Nxd5 Bxd5 10. Bg2 Nc6 11. 0-0-0 Qc7 12. Bf4 e6 13. Rhg1 Rc8 14. Nxd4 Bxg2 15. Rxg2 Bxe5 16. Bxe5 Nxe5 17. f4 Nc4 18. Rd3 Qb8 19. b3 Nd6 20. Qe5 0-0 21. Nxe6 fxe6 22. Qxd6 Qxd6 23. Rxd6 Rc7 24. Kb2 Kf7 25. c4 Ke7 26. Rd4 a6 27. a3 Rfc8 28. Rc2 d5 29. Re2 dxc4 30. bxc4 Rxc4 31. Kb3 b5 32. Rdd2 a5 33. Rb2 R8c5 34. Ka2 Kd6 35. Rbd2+ Rd5 36. Rb2 e5 37. fxe5+ Rxe5 38. Red2+ Rd5 39. Rf2 Re4 40. Kb3 Ke5 41. Rfe2 Rxe2 42. Rxe2+ 0-1

[Event "Natal Potiguar 2nd op"]
[Site "Natal"]
[Date "2007.07.21"]
[Round "4.13"]
[White "Rocha, Vitor Firmo de Souz"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "1696"]
[PlyCount "87"]
[EventDate "2007.07.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 d6 2. Nf3 Nc6 3. e4 e5 4. d3 f5 5. Nc3 Nf6 6. exf5 Bxf5 7. Be2 Be7 8. 0-0 0-0 9. fxe5 dxe5 10. Kh1 Qd7 11. Qe1 Rae8 12. Bd2 e4 13. dxe4 Nxe4 14. Bc4+ Kh8 15. Nxe4 Bd8 16. Qd1 Rxe4 17. Bd3 Re6 18. Bxf5 Rxf5 19. Ng5 Ref6 20. Rxf5 Rxf5 21. Nf3 Rd5 22. Qe2 Nd4 23. Nxd4 Rxd4 24. Re1 h6 25. Bc3 Rd5 26. Qf3 Bf6 27. Rf1 Be7 28. Qf7 Bf6 29. Qf8+ Kh7 30. Bxf6 gxf6 31. Qxf6 Qg7 32. h3 Rd2 33. Qf5+ Kh8 34. Qe4 Rd7 35. Qf4 Kg8 36. Rf3 Re7 37. Rg3 Rf7 38. Rxg7+ Kxg7 39. Qd4+ Kg6 40. g4 Rf6 41. h4 Rd6 42. Qe4+ Kg7 43. Qe7+ Kg6 44. h5# 1-0

[Event "Natal Potiguar 2nd op"]
[Site "Natal"]
[Date "2007.07.20"]
[Round "2.16"]
[White "Dos Santos, Valdir Rerold Tavar"]
[Black "De Moura, Sergio Jovelino"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2087"]
[PlyCount "45"]
[EventDate "2007.07.20"]
[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. Nc3 d5 3. Bf4 c6 4. e3 Bf5 5. Be2 e6 6. Nf3 h6 7. b4 Bxb4 8. Qd2 Ne4 9. Qd1 Bxc3+ 10. Kf1 Bxa1 11. Qxa1 Bg4 12. Ne5 Bxe2+ 13. Kxe2 Qa5 14. Rd1 Nc3+ 15. Kf1 Nxd1 16. Qxd1 Qb5+ 17. Kg1 Nd7 18. c4 Qb4 19. c5 Nxe5 20. Bxe5 f6 21. Bd6 g6 22. h4 h5 23. Kh2 0-1

[Event "Natal Potiguar 2nd op"]
[Site "Natal"]
[Date "2007.07.20"]
[Round "1.14"]
[White "Oliveira Jr, Antonio Fernandes"]
[Black "Dos Santos, Valdir Rerold Tavar"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1934"]
[PlyCount "69"]
[EventDate "2007.07.20"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Qe7 6. a3 Bxd2+ 7. Nbxd2 0-0 8. Bg2 Nbd7 9. 0-0 dxc4 10. Nxc4 b6 11. Nfe5 Rb8 12. Nc6 Qe8 13. Nxb8 Nxb8 14. Ne5 Nbd7 15. Nc6 e5 16. Nxa7 e4 17. Nb5 Ng4 18. Nxc7 Qd8 19. e3 Ndf6 20. Rc1 Qd6 21. Qc2 Nxh2 22. Qc6 Qxc6 23. Rxc6 Nf3+ 24. Bxf3 exf3 25. Rxb6 h5 26. Rxf6 gxf6 27. Nd5 Kg7 28. Nf4 Rh8 29. Rc1 Bf5 30. Rc5 Bg4 31. Kh2 h4 32. gxh4 Rxh4+ 33. Kg3 Rh1 34. Kxg4 Rg1+ 35. Kxf3 1-0

