[Event "Africa-ch rapid"]
[Site "Accra"]
[Date "2024.03.10"]
[Round "6"]
[White "Akpa, Prince"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1845"]
[BlackElo "2115"]
[PlyCount "118"]
[EventDate "2024.03.07"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. c4 Qf5 7. d5 0-0-0 8. Qa4 Bxf3 9. gxf3 Nd4 10. Qxa7 Nc2+ 11. Kf1 Qh3+ 12. Kg1 Ne1 13. Qa8+ Kd7 14. Qa4+ c6 15. dxc6+ bxc6 16. Qd1+ Ke8 17. Qxe1 Nh5 18. Nc3 f5 19. f4 Rd6 20. Bxh5+ Qxh5 21. Ne2 Qg4+ 22. Kf1 Qh3+ 23. Kg1 Qg4+ 24. Ng3 Rd1 25. Qxd1 Qxd1+ 26. Kg2 Qc2 27. Be3 Qxc4 28. Rhc1 Qd5+ 29. f3 Qd3 30. Bf2 h5 31. h4 Rh6 32. a4 e5 33. fxe5 f4 34. Ne4 Rg6+ 35. Ng5 Be7 36. Rc3 Qd2 37. a5 Bxg5 38. hxg5 Qxb2 39. Rac1 Rxg5+ 40. Kf1 Qb5+ 41. Rc4 Rxe5 42. Kg2 Rg5+ 43. Kh1 Rg6 44. Rc5 Qb2 45. R1c2 Qb1+ 46. Rc1 Qd3 47. R5c3 Qd2 48. R3c2 Qd5 49. Rc3 Qxa5 50. Rc4 Qd2 51. R4c2 Qd5 52. Rc3 Kf7 53. Rg1 Rxg1+ 54. Kxg1 g6 55. Rc5 Qxf3 56. Rc1 h4 57. Bxh4 Qg4+ 58. Kf1 Qxh4 59. Rxc6 Qh1+ 0-1

[Event "Africa-ch rapid"]
[Site "Accra"]
[Date "2024.03.10"]
[Round "1"]
[White "Pereira, Sergio"]
[Black "Arab, Adlane"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2115"]
[BlackElo "2477"]
[PlyCount "96"]
[EventDate "2024.03.07"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Nf6 6. 0-0 Nxe2+ 7. Qxe2 d6 8. e5 dxe5 9. Qxe5 a6 10. a4 Bd6 11. Qe2 0-0 12. Ne4 Nxe4 13. Qxe4 Rb8 14. Bd3 f5 15. Qe2 e5 16. Bc4+ Kh8 17. b3 Bd7 18. Bb2 Qe7 19. Rae1 e4 20. f4 Bc6 21. a5 Qc7 22. Qh5 Bxf4 23. Be6 Be8 24. Qh4 Bxd2 25. Bxf5 Rxf5 26. Rxf5 Bg6 27. Re5 Bxe1 28. Qxe1 Rd8 29. h3 h6 30. Qg3 Kh7 31. Qc3 Rd1+ 32. Kh2 Qf7 33. Qe3 Rb1 34. Bc3 Rf1 35. Rxc5 Qe7 36. Re5 Qc7 37. Qg3 Rc1 38. Bd4 Rxc2 39. Re6 Qxg3+ 40. Kxg3 Rd2 41. Rd6 Bf7 42. Rd7 Kg6 43. b4 h5 44. Rd6+ Kf5 45. Rd7 Ke6 46. Rd8 Rd3+ 47. Kf4 Ke7 48. Bf6+ gxf6 0-1

[Event "Africa-ch rapid"]
[Site "Accra"]
[Date "2024.03.10"]
[Round "5"]
[White "Pereira, Sergio"]
[Black "Mahamat, Hachim Bachar"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2115"]
[BlackElo "1843"]
[PlyCount "81"]
[EventDate "2024.03.07"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. Nc3 b5 7. Bb3 d6 8. Nd5 h6 9. c3 Bg4 10. h3 Bh5 11. g4 Bg6 12. Qe2 Na5 13. Bc2 Nb7 14. Ne3 Qe7 15. Nh4 0-0-0 16. Nhf5 Qf8 17. b4 Bb6 18. a4 Kb8 19. axb5 axb5 20. Bb3 c6 21. Bb2 d5 22. exd5 Nxd5 23. Nxd5 cxd5 24. 0-0 f6 25. Ne3 d4 26. Nd5 Qd6 27. cxd4 exd4 28. Bc1 Qc6 29. Bf4+ Nd6 30. Rfc1 Qb7 31. Qa2 Qa7 32. Nxb6 Qxa2 33. Rxa2 Kb7 34. Bd5+ Kxb6 35. Rc6+ Kb7 36. Rxd6+ Kc7 37. Rc2+ Kb8 38. Rxd8+ Ka7 39. Rc7+ Kb6 40. Rb7+ Ka6 41. Rd6# 1-0

[Event "Africa-ch rapid"]
[Site "Accra"]
[Date "2024.03.10"]
[Round "3"]
[White "Pereira, Sergio"]
[Black "Pedro Manuel, Envo Engonga Avomo"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2115"]
[BlackElo "1702"]
[PlyCount "32"]
[EventDate "2024.03.07"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Bc5 8. hxg4 hxg4 9. Ng5 Nh6 10. c3 Be7 11. Nxf7 Kxf7 12. Bxh6 Rxh6 13. Qxg4 Qxd3 14. Rd1 Rah8 15. Qf3+ Qxf3 16. gxf3 Rh1+ 0-1

[Event "Africa-ch rapid"]
[Site "Accra"]
[Date "2024.03.10"]
[Round "4"]
[White "Rongwane, Gomolemo"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2021"]
[BlackElo "2115"]
[PlyCount "101"]
[EventDate "2024.03.07"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c5 6. 0-0 Nc6 7. Qa4 Bd7 8. dxc5 Bxc5 9. Qxc4 Be7 10. Nc3 0-0 11. Rd1 Qa5 12. Bg5 Rfd8 13. a3 Rac8 14. b4 Nxb4 15. Qb3 Nc6 16. Bd2 Qa6 17. Be1 Na5 18. Qb1 Nc4 19. a4 Bc6 20. Nb5 Qb6 21. Qa2 a6 22. Nbd4 Bd5 23. a5 Qc7 24. Rac1 Qd7 25. Qa1 Qe8 26. Bc3 Ne4 27. Be1 Bf6 28. e3 Ned6 29. Qb1 Qe7 30. Bb4 Qe8 31. h4 Be4 32. Qa2 Bd5 33. Qe2 Qa4 34. Qe1 Nb2 35. Ra1 Qd7 36. Rdb1 Nd3 37. Qd2 Nxb4 38. Qxb4 Rc4 39. Qe1 Rdc8 40. Nd2 Bxd4 41. Nxc4 Bxg2 42. Nxd6 Qxd6 43. Rd1 Qc6 44. Rxd4 e5 45. Rdd1 Bh3 46. e4 Qe6 47. Rac1 Re8 48. Qe2 Bg4 49. f3 Bh5 50. g4 Qg6 51. Qg2 1-0

[Event "Africa-ch rapid"]
[Site "Accra"]
[Date "2024.03.10"]
[Round "2"]
[White "Yacouba, Souley Moussa"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1645"]
[BlackElo "2115"]
[PlyCount "62"]
[EventDate "2024.03.07"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB15_2024"]
[SourceDate "2024.04.10"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. h3 Bf5 9. Nbd2 h6 10. Be2 b5 11. 0-0 e6 12. a3 Nd7 13. Nh4 Bh7 14. Bh2 Nb6 15. Nhf3 Na4 16. Ra2 Be7 17. Be5 0-0 18. Rc1 Nxb2 19. Nb1 Na4 20. Bd1 Bxb1 21. Ra1 Bh7 22. Bg3 Bg6 23. Nd2 Ra6 24. Nb1 Rfa8 25. Bc7 Nb2 26. Bc2 Nd3 27. Bxd3 Bxd3 28. Be5 Nxe5 29. dxe5 Bxa3 30. Nxa3 Rxa3 31. Kh2 Rxa1 0-1

[Event "Africa-chT rapid 13th"]
[Site "Accra"]
[Date "2024.03.09"]
[Round "6.15"]
[White "Fomevor, Cephas Clinton"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "1887"]
[BlackElo "2017"]
[PlyCount "105"]
[EventDate "2024.03.09"]
[EventType "team-swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]
[WhiteTeam "Ghana"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "GHA"]
[BlackTeamCountry "SAO"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Nf3 0-0 9. e3 Bg4 10. Be2 c6 11. h3 Bxf3 12. Bxf3 Bd6 13. 0-0 Nd7 14. a3 Nb6 15. Be2 Bc7 16. Rac1 Qd6 17. g3 a6 18. b4 Rfe8 19. Bd3 h5 20. Qe2 h4 21. f4 Qe6 22. Rce1 Qxh3 23. Qg2 Qxg3 24. Qxg3 hxg3 25. Kg2 Re7 26. Kxg3 Rae8 27. Kf3 Nd7 28. Rh1 Nf6 29. Nd1 Ne4 30. Bxe4 Rxe4 31. Rh4 Bd8 32. Rh5 g6 33. Rh6 Bf6 34. Nc3 Rxd4 35. f5 Bg5 36. Rhh1 Rd3 37. Nd1 Rxa3 38. fxg6 f6 39. Rh7 d4 40. Reh1 dxe3 41. Rh8+ Kg7 42. Rxe8 Rb3 43. Re7+ Kxg6 44. Rxb7 Rd3 45. Re1 f5 46. Rb6 f4 47. Rxc6+ Kf5 48. Rxa6 Rd2 49. Ra5+ Kf6 50. Kg4 e2 51. Rf5+ Ke6 52. Nc3 Bf6 53. Rxe2+ 1-0

[Event "Africa-chT rapid 13th"]
[Site "Accra"]
[Date "2024.03.09"]
[Round "3.13"]
[White "Frempong, Smart Daniel"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1877"]
[BlackElo "2017"]
[PlyCount "114"]
[EventDate "2024.03.09"]
[EventType "team-swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]
[WhiteTeam "Ghana II"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "GHA"]
[BlackTeamCountry "SAO"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. 0-0 cxd4 6. h3 Be7 7. Nxd4 0-0 8. Re1 e5 9. Nb3 Nc6 10. Bg5 Be6 11. N1d2 Qb6 12. e3 Rac8 13. Qe2 Nb4 14. Rec1 Nxc2 15. Rab1 Nb4 16. a3 Nc6 17. Bxf6 Bxf6 18. Nc5 e4 19. b4 Ne5 20. Kh2 Rc7 21. Rd1 Rfc8 22. Na4 Qc6 23. Nc5 Qe8 24. Nxe6 Qxe6 25. Nb3 Nd3 26. Rd2 Qa6 27. Ra2 b6 28. f3 Qc4 29. fxe4 dxe4 30. Rd2 Rd8 31. h4 Be5 32. Nc1 Rcd7 33. Rc2 Qd5 34. Nb3 f5 35. Rd2 Qd6 36. Nd4 Bxg3+ 37. Kg1 g6 38. h5 Be5 39. hxg6 hxg6 40. Nb5 Qf6 41. Rc2 a6 42. Nc7 Bxc7 43. b5 a5 44. Rc6 Bd6 45. Kf1 Rb8 46. Qa2+ Qf7 47. Qc2 f4 48. exf4 Qxf4+ 49. Kg1 Bc5+ 50. Rxc5 Nxc5 51. Rf1 Qe3+ 52. Rf2 Rf8 53. Qc4+ Kh8 54. Qc2 Qe1+ 55. Bf1 Rxf2 56. Qxf2 Qxf2+ 57. Kxf2 Kg7 0-1

[Event "Africa-chT rapid 13th"]
[Site "Accra"]
[Date "2024.03.09"]
[Round "5.13"]
[White "Pereira, Sergio"]
[Black "Cogan, Nicolas"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2017"]
[BlackElo "2070"]
[PlyCount "60"]
[EventDate "2024.03.09"]
[EventType "team-swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Ivory Coast"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "IVO"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. Nc3 d6 5. Nf3 g6 6. exd6 cxd6 7. d4 Bg7 8. Be3 0-0 9. Qb3 a5 10. c5 N6d7 11. cxd6 exd6 12. Bc4 Nb6 13. Bg5 Qc7 14. Be2 a4 15. Qd1 Bd7 16. Rc1 Nc4 17. b3 Nb2 18. Qd2 a3 19. 0-0 Qa5 20. Be7 Re8 21. Bxd6 Nc6 22. Rfe1 Bg4 23. Nb5 Qxd2 24. Nxd2 Rxe2 25. Rxe2 Bxe2 26. Bxa3 Bxb5 27. Bxb2 Rxa2 28. Bc3 Bxd4 29. Bxd4 Nxd4 30. Rd1 Be2 0-1

[Event "Africa-chT rapid 13th"]
[Site "Accra"]
[Date "2024.03.09"]
[Round "1.7"]
[White "Pereira, Sergio"]
[Black "Kigigha, Bomo"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2017"]
[BlackElo "2231"]
[PlyCount "26"]
[EventDate "2024.03.09"]
[EventType "team-swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Nigeria"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "NGR"]

1. e4 d5 2. exd5 Qd7 3. d6 Qxd6 4. Nc3 Qd5 5. Rb1 Qa5 6. b4 c6 7. Nf3 Qc7 8. Bc4 Nf6 9. 0-0 Bf5 10. b5 e6 11. bxc6 Be7 12. Bb5 Nxc6 13. Bxc6+ Qxc6 0-1

[Event "Africa-chT rapid 13th"]
[Site "Accra"]
[Date "2024.03.09"]
[Round "2.13"]
[White "Pereira, Sergio"]
[Black "Paiva, Donaldo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2017"]
[BlackElo "2172"]
[PlyCount "80"]
[EventDate "2024.03.09"]
[EventType "team-swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Mozambique"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "MOZ"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bh6 7. f4 f5 8. Bb2 Nf6 9. 0-0-0 Rf8 10. Kb1 fxe4 11. Nge2 Bf5 12. h3 Nb4 13. Nd4 Bd7 14. g4 Nfd5 15. g5 e3 16. Qe1 Bg7 17. Bb5 Nxf4 18. Rf1 Nc6 19. Bxc6 bxc6 20. Qxe3 e5 21. Ne4 Qe7 22. Nxc6 Bxc6 23. Nxd6+ Kd7 24. Nf5+ Nd5 25. Nxe7 Rxf1 26. Qd2 Rxd1+ 27. Qxd1 Kxe7 28. c4 Nf4 29. Ba3+ Kf7 30. Qd6 Be4+ 31. Kc1 Kg8 32. c5 Rc8 33. b4 Bf5 34. c6 Bf8 35. Qf6 Be6 36. Bb2 Rxc6+ 37. Kd2 Bxb4+ 38. Kd1 Rd6+ 39. Kc2 Bf5+ 40. Kb3 Rxf6 0-1

[Event "Africa-chT rapid 13th"]
[Site "Accra"]
[Date "2024.03.09"]
[Round "4.7"]
[White "Rakotomaharo, Fy Antenaina"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2454"]
[BlackElo "2017"]
[PlyCount "49"]
[EventDate "2024.03.09"]
[EventType "team-swiss (rapid)"]
[EventRounds "6"]
[EventCountry "GHA"]
[SourceTitle "CB11_2024"]
[SourceDate "2024.03.13"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.13"]
[SourceQuality "1"]
[WhiteTeam "Madagascar"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "MAD"]
[BlackTeamCountry "SAO"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 dxc4 5. Bxc4 a6 6. a4 Be7 7. d4 c5 8. 0-0 cxd4 9. exd4 0-0 10. Qe2 Nc6 11. Rd1 Nb4 12. Ne5 Nbd5 13. Rd3 Qc7 14. Rg3 Kh8 15. Bg5 b6 16. Bxd5 exd5 17. Bxf6 Bxf6 18. Nxd5 Qd6 19. Nxf6 Qxf6 20. Rf3 Qe6 21. d5 Qxd5 22. Rd1 Qa2 23. Nxf7+ Kg8 24. Nh6+ gxh6 25. Rg3+ 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.09"]
[Round "11.1"]
[White "Pereira, Sergio"]
[Black "Jimma, Desalegu Fekadu"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1994"]
[BlackElo "2112"]
[PlyCount "115"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Ethiopia"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "ETH"]

1. e4 c5 2. c3 e6 3. d4 d5 4. Nd2 cxd4 5. cxd4 dxe4 6. Nxe4 Bb4+ 7. Nc3 Nc6 8. Nf3 Nf6 9. a3 Ba5 10. Bc4 0-0 11. 0-0 h6 12. Qd3 a6 13. b4 Bc7 14. Rd1 b5 15. Bb3 Bb7 16. Be3 Ne7 17. Ne5 Nf5 18. Rac1 Rc8 19. f4 Bxe5 20. dxe5 Ng4 21. Bc5 Qh4 22. Qh3 Rfd8 23. Qxh4 Nxh4 24. h3 Nxg2 25. hxg4 Nxf4 26. Rxd8+ Rxd8 27. Rd1 Rd3 28. Rxd3 Nxd3 29. Bd6 Bf3 30. Bd1 Bxd1 31. Nxd1 f5 32. gxf5 exf5 33. e6 Ne1 34. Ne3 Nf3+ 35. Kf2 Ng5 36. Nxf5 Nxe6 37. Ke3 h5 38. Ne7+ Kf7 39. Nd5 g5 40. Nc7 Nxc7 41. Bxc7 Kg6 42. Bd8 Kf5 43. Kf3 h4 44. Be7 g4+ 45. Kf2 h3 46. Kg3 Kg6 47. Bd6 Kg5 48. Kf2 Kf5 49. Ke3 Kg5 50. Bg3 Kf5 51. Kd4 Ke6 52. Ke4 Kf6 53. Kf4 Ke6 54. Kxg4 Kd5 55. Kxh3 Kc4 56. Bc7 Kb3 57. Kg4 Kxa3 58. Ba5 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.08"]
[Round "10.1"]
[White "Blijstra, Wim"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "2198"]
[BlackElo "1994"]
[PlyCount "54"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Netherlands Antilles"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "AHO"]
[BlackTeamCountry "SAO"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 a6 5. a4 Nc6 6. e3 Na5 7. Ne5 Be6 8. Be2 g6 9. 0-0 Bg7 10. b4 cxb3 11. Ba3 Nd7 12. Nd3 Bc4 13. f4 b6 14. Rc1 0-0 15. Bf3 Rc8 16. Rf2 c5 17. d5 b5 18. axb5 axb5 19. Bb2 Bxd3 20. Qxd3 c4 21. Qb1 b4 22. Qa1 bxc3 23. Bxc3 Bxc3 24. Rxc3 Qb6 25. h4 Nc5 26. h5 Nd3 27. h6 b2 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.07"]
[Round "9.1"]
[White "Gong, Daniel Hanwen"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2296"]
[BlackElo "1994"]
[PlyCount "29"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "New Zealand"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "NZL"]
[BlackTeamCountry "SAO"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 e6 5. b4 a5 6. c3 Bd7 7. Nd2 b6 8. cxb6 axb4 9. Bc7 Qc8 10. cxb4 Ne4 11. Nxe4 dxe4 12. a3 Rxa3 13. Rb1 Nc6 14. Bb5 Nxb4 15. b7 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.06"]
[Round "8.1"]
[White "Pereira, Sergio"]
[Black "Darmanin, Jake"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "1994"]
[BlackElo "2101"]
[PlyCount "177"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Malta"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "MLT"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Ng4 9. Ne4 f5 10. Be2 h5 11. h3 fxe4 12. hxg4 Bc5 13. b4 0-0 14. bxc5 Qd4 15. 0-0 Qxa1 16. Nc3 e3 17. gxh5 exf2+ 18. Rxf2 Rxf2 19. Kxf2 Bf5 20. Ba3 Qxd1 21. Bxd1 Rf8 22. Ke1 Nc4 23. Bc1 e4 24. Be2 Ne5 25. Bb2 Re8 26. Nd1 Re7 27. Ne3 Bd7 28. Kf2 Kh7 29. d4 exd3 30. cxd3 Be8 31. d4 Rf7+ 32. Ke1 Rb7 33. Bc3 Nd7 34. Bf3 Nf6 35. g4 Rb1+ 36. Ke2 Kg8 37. Nf5 Kf8 38. Nd6 Nd5 39. Bd2 Rb2 40. a3 Ra2 41. g5 Rxa3 42. h6 gxh6 43. gxh6 Bd7 44. Ne4 Kg8 45. Ng5 Nf6 46. Bf4 Ra2+ 47. Kf1 Ra1+ 48. Kg2 Be8 49. Be4 Ra2+ 50. Kf1 Ra1+ 51. Kg2 Ra2+ 52. Kh3 Bd7+ 53. Kh4 Re2 54. h7+ Nxh7 55. Bxh7+ Kg7 56. Be5+ Kh6 57. Bd3 Rf2 58. Be4 a5 59. Nf3 a4 60. d5 cxd5 61. Bxd5 Rc2 62. Bf4+ Kg7 63. Be5+ Kh6 64. Bd4 a3 65. Be4 Rc4 66. Bd5 Ra4 67. c6 Bc8 68. Kg3 a2 69. Ba1 Rb4 70. Bc3 Ra4 71. Ba1 Rb4 72. Nd2 Rb1 73. Nb3 Rd1 74. Bc4 Rd6 75. Na5 Rd1 76. Nb3 Rd6 77. Bb5 Rd5 78. Ba4 Rd1 79. Kf2 Kg6 80. Ke2 Bg4+ 81. Ke3 Kf7 82. Bb5 Ke7 83. Bd4 Kd6 84. Bc3 Be6 85. Bb4+ Kc7 86. Ba5+ Kd6 87. Bb4+ Kc7 88. Ba5+ Kd6 89. Bb4+ 1/2-1/2

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.05"]
[Round "7.1"]
[White "Pereira, Sergio"]
[Black "Mohamed, Ali Djama"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1994"]
[BlackElo "1629"]
[PlyCount "71"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Djibouti"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "DJI"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 Bg4 7. b4 Bb6 8. h3 h5 9. hxg4 hxg4 10. Ng5 Qe7 11. Bxf7+ Qxf7 12. Nxf7 Kxf7 13. Be3 Rh5 14. Re1 Rah8 15. Kf1 Rh1+ 16. Ke2 R1h2 17. Bxb6 axb6 18. Rg1 d5 19. Nd2 Nh5 20. g3 d4 21. b5 Ne7 22. cxd4 Ng6 23. Rc1 Rf8 24. Qb3+ Ke8 25. Qe6+ Kd8 26. Kd1 Rfxf2 27. Nc4 Ngf4 28. gxf4 g3 29. Qd5+ Ke7 30. Qxe5+ Kf8 31. f5 Nf4 32. f6 gxf6 33. Qxf6+ Ke8 34. Nd6+ Kd7 35. Qf7+ Kxd6 36. e5# 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.03"]
[Round "6.1"]
[White "Ajak, Mach Duany"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2029"]
[BlackElo "1994"]
[PlyCount "117"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "South Sudan"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "SUD"]
[BlackTeamCountry "SAO"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. e5 Nc6 5. Nf3 Bd7 6. Bb5 d4 7. Ne4 Nxe5 8. fxe5 Bxb5 9. d3 Bc6 10. Nfg5 Bxe4 11. Nxe4 Qc7 12. Bf4 0-0-0 13. 0-0 Qd7 14. Bg5 Re8 15. Qf3 h6 16. Bd2 f5 17. exf6 Nxf6 18. Nxf6 gxf6 19. Qxf6 Rh7 20. Bf4 e5 21. Bg3 Bd6 22. Rae1 Re6 23. Qf5 Rhe7 24. Qe4 Qc6 25. Qxc6+ bxc6 26. b3 Kc7 27. Re4 Kb6 28. Bh4 Rd7 29. Rf6 Rde7 30. Rxe6 Rxe6 31. Be1 Kb5 32. a4+ Ka6 33. Bd2 Bf8 34. g4 Kb6 35. Kg2 Kc7 36. h4 Kd6 37. g5 hxg5 38. hxg5 Re7 39. Kg3 Ke6 40. Kg4 Rh7 41. Re2 Rh1 42. Be1 Rh7 43. Bg3 Bg7 44. Rh2 Rxh2 45. Bxh2 Bf8 46. Bg3 Bg7 47. Bh4 Bf8 48. g6 Bg7 49. Bg5 Bh8 50. Bh6 Bf6 51. g7 Kf7 52. Kf5 Bd8 53. Kxe5 Bc7+ 54. Ke4 a5 55. Kf5 Bd8 56. g8Q+ Kxg8 57. Ke6 Kh7 58. Bf8 Bb6 59. Kd7 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.02"]
[Round "5.1"]
[White "Pereira, Sergio"]
[Black "Sarup, Prashant"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1994"]
[PlyCount "65"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Fiji"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "FIJ"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. dxc5 Qxc5 6. Na3 a6 7. Be3 Qc7 8. Nf3 e6 9. Nc4 Nbd7 10. a4 Be7 11. Qd2 0-0 12. Bf4 Qd8 13. Be2 Nd5 14. Bg3 Nc5 15. Qc2 Nd7 16. 0-0 N7b6 17. Rfd1 Nd7 18. Nd4 Bc5 19. Bf3 N7f6 20. Nb3 Ba7 21. Nca5 Qb6 22. c4 Nb4 23. Qc3 Nbd5 24. cxd5 exd5 25. Nd4 Ne4 26. Bxe4 dxe4 27. Nc4 Qg6 28. Nd6 Bg4 29. f3 exf3 30. gxf3 Bh3 31. Kh1 h5 32. Rg1 Qf6 33. Rad1 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.08.01"]
[Round "4.1"]
[White "Tagelsir, Abubaker"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2232"]
[BlackElo "1994"]
[PlyCount "73"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Sudan"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "SUD"]
[BlackTeamCountry "SAO"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 e6 5. d3 Nc6 6. Nbd2 Be7 7. e4 0-0 8. e5 Nd7 9. Re1 h6 10. Nf1 b5 11. h4 a5 12. N1h2 f5 13. exf6 Nxf6 14. Qe2 Bd6 15. c4 Rb8 16. b3 Bd7 17. Bb2 bxc4 18. dxc4 a4 19. Qd1 d4 20. Nd2 Ne5 21. Qe2 Qc7 22. Bh3 Rbe8 23. Rad1 axb3 24. axb3 Qb7 25. Bc1 Re7 26. f4 Nf7 27. Ng4 Nxg4 28. Qxg4 e5 29. f5 e4 30. Nxe4 Qxb3 31. Nf6+ Kh8 32. Rxe7 Bxf5 33. Qxf5 Qxd1+ 34. Bf1 gxf6 35. Qxf6+ Kg8 36. Qg6+ Kh8 37. Rxf7 1-0

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.07.31"]
[Round "3.1"]
[White "Pereira, Sergio"]
[Black "Wanyama, Harold"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1994"]
[BlackElo "2242"]
[PlyCount "88"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Uganda"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "UGA"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 Qc7 7. Bd2 b6 8. Nc3 Nxc3 9. Bxc3 Bb7 10. Bd3 d6 11. 0-0 Nd7 12. Rc1 Qd8 13. Bb4 dxe5 14. Bxf8 Kxf8 15. Bb5 exd4 16. Qxd4 Bxf3 17. Qxd7 Qxd7 18. Bxd7 Bd5 19. Bc6 Bxc6 20. Rxc6 g6 21. Rc7 Kg7 22. Re1 Rhc8 23. Rb7 Rc2 24. g3 Rxb2 25. Rxe6 Rxa2 26. Ree7 Rf8 27. Rxa7 Rxa7 28. Rxa7 Rb8 29. Kf1 b5 30. Ke2 b4 31. Kd2 b3 32. Ra1 Rc8 33. Rb1 Rc2+ 34. Ke3 b2 35. h4 h5 36. f3 Rh2 37. Kf4 Kf6 38. Re1 Rc2 39. Rb1 Rc4+ 40. Ke3 Rc3+ 41. Ke4 Rb3 42. Kf4 Rb4+ 43. Ke3 Ke5 44. f4+ Kf5 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.07.30"]
[Round "2.1"]
[White "Saidou, Djibo"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "1994"]
[PlyCount "86"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Niger"]
[BlackTeam "Sao Tome and Principe"]
[WhiteTeamCountry "NIG"]
[BlackTeamCountry "SAO"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d3 d5 5. e5 Nge7 6. Be2 Ng6 7. 0-0 Ngxe5 8. Nd2 Bd6 9. Nb3 f5 10. f4 Nd7 11. Re1 0-0 12. Bf3 Nf6 13. a3 a6 14. Ne2 Qc7 15. c4 d4 16. Rf1 Bd7 17. g3 Rae8 18. Qd2 Rf7 19. Kh1 Rfe7 20. Ng1 e5 21. Nh3 e4 22. Bg2 b5 23. Qc2 Qb6 24. Ng5 h6 25. Nh3 exd3 26. Qxd3 bxc4 27. Qxc4+ Be6 28. Qd3 c4 29. Qf3 Bd5 30. Qf2 Qxb3 31. Bd2 Re2 32. Bxd5+ Nxd5 33. Qf3 Qxf3+ 34. Rxf3 Rxd2 35. Rff1 Ree2 36. Rf2 Rxf2 37. Nxf2 Rxf2 38. Rb1 Ne3 39. Kg1 Rg2+ 40. Kh1 Re2 41. h4 d3 42. h5 Nd4 43. a4 Nf3 0-1

[Event "Olympiad-44"]
[Site "Chennai"]
[Date "2022.07.29"]
[Round "1.1"]
[White "Pereira, Sergio"]
[Black "Batsuren, Dambasuren"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1994"]
[BlackElo "2518"]
[PlyCount "53"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Sao Tome and Principe"]
[BlackTeam "Mongolia"]
[WhiteTeamCountry "SAO"]
[BlackTeamCountry "MGL"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. d5 Nb8 5. Nc3 c6 6. h3 g6 7. dxc6 Nxc6 8. Bc4 Bg7 9. e5 Nxe5 10. Nxe5 dxe5 11. Qxd8+ Kxd8 12. Be3 Bd7 13. 0-0-0 Kc7 14. Bc5 Bf8 15. Rhe1 b6 16. Ba3 e6 17. Bxf8 Rhxf8 18. Rxe5 Bc6 19. g4 Rad8 20. g5 Nh5 21. Nb5+ Bxb5 22. Rxd8 Rxd8 23. Bxb5 Rd4 24. Re3 Rd5 25. Be8 Rf5 26. Rd3 Ng7 27. Ra3 0-1

[Event "Ulster-ch"]
[Site "Belfast"]
[Date "2017.09.03"]
[Round "4.1"]
[White "Pereira, Sergio"]
[Black "Pilkiewicz, Nicholas"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2036"]
[PlyCount "42"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NIR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e5 6. Nc3 Nge7 7. d3 0-0 8. Ne1 d6 9. Nc2 Be6 10. Ne3 Rb8 11. Ned5 f5 12. a3 a6 13. b4 b5 14. Rb1 bxc4 15. dxc4 e4 16. Bf4 Bxd5 17. Nxd5 Nd4 18. Nxe7+ Qxe7 19. e3 g5 20. Bxg5 Qxg5 21. exd4 cxd4 1/2-1/2

[Event "Ulster-ch"]
[Site "Belfast"]
[Date "2017.09.03"]
[Round "6.2"]
[White "Rush, Stephen"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2025"]
[BlackElo "2036"]
[PlyCount "53"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NIR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 b6 8. Ba3 Bb7 9. Ne5 Bd6 10. Bb5+ Ke7 11. Qh5 g6 12. Qh4+ f6 13. Nc4 Kf7 14. Rd1 Be7 15. dxc5 Qc7 16. cxb6 axb6 17. Bxe7 Qxe7 18. 0-0 Kg7 19. a4 g5 20. Qg4 h5 21. Qe2 Qc5 22. Rd6 Bc6 23. Rxe6 Bxb5 24. axb5 Qxb5 25. Qf3 Nd7 26. Nd6 Qa4 27. Re7+ 1-0

[Event "Ulster-ch"]
[Site "Belfast"]
[Date "2017.09.03"]
[Round "5.1"]
[White "Scannell, Stephen"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2153"]
[BlackElo "2036"]
[PlyCount "83"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NIR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. d4 exd5 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bc4 Bb4 9. 0-0 Bxc3 10. bxc3 0-0 11. Qb3 Na5 12. Qa4 Bxf3 13. Qxa5 Nb6 14. Bd3 Qd5 15. Qxd5 Bxd5 16. Bf4 c6 17. a4 Bc4 18. Bxc4 Nxc4 19. Rfb1 b6 20. Rb4 Na5 21. Re1 Rfe8 22. Kf1 f6 23. Re3 Kf7 24. Ke2 g5 25. Bg3 f5 26. Be5 f4 27. Re4 Kg6 28. Kd3 Kf5 29. Re2 Rad8 30. Rb1 Rd7 31. Rbe1 c5 32. f3 h5 33. h3 Red8 34. Re4 Rc8 35. h4 cxd4 36. Bxd4 Nc6 37. Re6 gxh4 38. Rf6+ Kg5 39. Ree6 h3 40. Rg6+ Kh4 41. g3+ fxg3 42. Re4# 1-0

[Event "Ulster-ch"]
[Site "Belfast"]
[Date "2017.09.02"]
[Round "3.3"]
[White "Annesley, Gareth"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1885"]
[BlackElo "2036"]
[PlyCount "62"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NIR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 e5 4. d5 Nf6 5. Bg5 Bf5 6. Bc4 Nbd7 7. f3 Bb4 8. Nge2 exf3 9. gxf3 Qe7 10. a3 Bc5 11. Ng3 Bh3 12. Qe2 0-0-0 13. 0-0-0 h6 14. d6 cxd6 15. Nd5 Qe8 16. Be3 Nxd5 17. Bxd5 f5 18. Bxc5 Nxc5 19. Qc4 Kb8 20. Ne2 g5 21. Rhe1 Rh7 22. Ng1 g4 23. Nxh3 gxh3 24. Qh4 Qe7 25. Qxh3 Qf6 26. Rg1 Rc7 27. Qh5 e4 28. fxe4 Na4 29. Bb3 Qxb2+ 30. Kd2 Qd4+ 31. Ke1 Qf6 0-1

[Event "Ulster-ch"]
[Site "Belfast"]
[Date "2017.09.02"]
[Round "2.3"]
[White "Pereira, Sergio"]
[Black "Donaldson, Thomas1111"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2036"]
[PlyCount "67"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NIR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 e5 7. d3 Qe7 8. Nbd2 Nbd7 9. 0-0 c6 10. e4 a6 11. Qc2 c5 12. a3 b5 13. b4 Bb7 14. Rfe1 Rac8 15. Qb3 Ba8 16. Rad1 Rb8 17. Bc3 Rfc8 18. Rb1 Ne8 19. Rec1 Nc7 20. Bh3 Ne6 21. a4 bxc4 22. Nxc4 cxb4 23. Bxb4 Bh6 24. Rc2 Nec5 25. Qa3 Rc7 26. Rcb2 Qf6 27. Kg2 Bf8 28. Bxd7 Rxd7 29. Ncxe5 dxe5 30. Bxc5 Rxb2 31. Rxb2 Bxc5 32. Qxc5 Rxd3 33. Rb8+ Rd8 34. Qxe5 1-0

[Event "Ulster-ch"]
[Site "Belfast"]
[Date "2017.09.02"]
[Round "1.2"]
[White "Roberts, Danny"]
[Black "Pereira, Sergio"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1975"]
[BlackElo "2036"]
[PlyCount "67"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NIR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. Nc3 Qf5 7. Be3 0-0-0 8. h3 Bxf3 9. Bxf3 Nxd4 10. Bxd4 e5 11. Nd5 exd4 12. Qxd4 Qe6+ 13. Kf1 Nxd5 14. Rd1 Ne3+ 15. Qxe3 Rxd1+ 16. Bxd1 Qxe3 17. fxe3 Bc5 18. Bg4+ Kb8 19. Ke2 Re8 20. Re1 Rxe3+ 21. Kd2 Rxe1 22. Kxe1 Bd4 23. c3 Be5 24. Kd2 a5 25. Be2 c6 26. Bc4 f6 27. Bd3 h5 28. h4 g5 29. Bg6 gxh4 30. Bxh5 Bf4+ 31. Kd3 Kc7 32. a4 Kd6 33. b4 axb4 34. cxb4 1/2-1/2

[Event "POR-ch"]
[Site "Amadora"]
[Date "2010.09.08"]
[Round "5"]
[White "Casanova, Fernando Ricardo So"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2052"]
[BlackElo "1948"]
[PlyCount "69"]
[EventDate "2010.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 a6 6. e3 Rb8 7. Nge2 Nf6 8. 0-0 b5 9. b3 0-0 10. Bb2 Na5 11. Qd2 Bb7 12. e4 Qb6 13. Rab1 d6 14. Nd5 Bxd5 15. exd5 Ng4 16. Bxg7 Kxg7 17. Rbe1 Rb7 18. Nc3 Rfb8 19. h3 Nf6 20. Re2 Ng8 21. Ne4 h6 22. h4 b4 23. h5 Qd8 24. hxg6 f5 25. Qb2+ Kxg6 26. Nd2 Nf6 27. Nf3 f4 28. Nh4+ Kf7 29. Qd2 fxg3 30. fxg3 Qg8 31. Nf5 Qg6 32. Re6 Qg5 33. Nxh6+ Kg6 34. Be4+ Kxh6 35. Rexf6+ 1-0

[Event "POR-ch"]
[Site "Amadora"]
[Date "2010.09.07"]
[Round "4"]
[White "Pereira, Sergio"]
[Black "Ulyanovskyy, Vladimir Viktorovic"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1948"]
[BlackElo "1680"]
[PlyCount "96"]
[EventDate "2010.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. d4 cxd4 9. Nxd4 Bd7 10. Nd2 Rc8 11. a3 b6 12. e3 Bc5 13. Rc1 Nxd4 14. exd4 Be7 15. Qe2 Re8 16. Rfe1 dxc4 17. bxc4 Bc6 18. Nf3 h6 19. Bh3 Rb8 20. Ne5 Ba8 21. f4 Qc7 22. Nf3 b5 23. cxb5 Qb7 24. Bg2 Qxb5 25. Qxb5 Rxb5 26. Re2 Reb8 27. a4 Bxf3 28. Bxf3 Rxb2 29. Rxb2 Rxb2 30. Rc7 Bb4 31. Rxa7 Bc3 32. Ra8+ Kh7 33. h4 Bxd4+ 34. Kh1 h5 35. a5 Ra2 36. a6 g6 37. Bb7 Kg7 38. Rc8 Ng4 39. Rc6 Ne3 40. Rc1 Nf5 41. Bg2 Nxg3+ 42. Kh2 Nf5 43. a7 Bxa7 44. Rc7 Be3 45. Rc4 Nxh4 46. Kh3 Nxg2 47. f5 Nf4+ 48. Rxf4 Rh2+ 0-1

[Event "POR-ch"]
[Site "Amadora"]
[Date "2010.09.06"]
[Round "3"]
[White "Guerra, Vitor Manuel Vestia"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2184"]
[BlackElo "1948"]
[PlyCount "98"]
[EventDate "2010.08.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Nc3 c5 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Ne5 Nc6 11. Nxc4 Bd7 12. Bg5 Rfd8 13. Bxf6 gxf6 14. Ne4 Be7 15. Ncd6 Rab8 16. Nc5 Bxd6 17. Rxd6 Be8 18. Nxb7 Rdc8 19. Bxc6 Bxc6 20. Na5 Bd5 21. b3 Rc2 22. Kf1 Rbc8 23. Ke1 Rb2 24. Nc4 Bxc4 25. bxc4 Rxc4 26. Rd2 Rcc2 27. Rxc2 Rxc2 28. a3 a5 29. Rd1 Ra2 30. Rd3 f5 31. f4 a4 32. Kf2 Kg7 33. h3 Kg6 34. Kf3 h5 35. e4 h4 36. gxh4 Rh2 37. exf5+ Kxf5 38. Kg3 Rb2 39. Kf3 Rb3 40. Ke3 Rxd3+ 41. Kxd3 Kxf4 42. Kd4 f5 43. Kd3 e5 44. Ke2 e4 45. Kf2 Ke5 46. h5 f4 47. h4 Kf6 48. Kg2 Kg7 49. Kh3 f3 0-1

[Event "Lisbon District-ch sf"]
[Site "Lisbon"]
[Date "2010.04.29"]
[Round "8"]
[White "Santos, Micael Costa"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2021"]
[BlackElo "1948"]
[PlyCount "84"]
[EventDate "2010.04.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "POR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Nbd7 5. Nbd2 c5 6. c3 Be7 7. 0-0 Qc7 8. Re1 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Qe2 h6 12. Bd2 Nxe4 13. Bxe4 Bxe4 14. Qxe4 0-0 15. Bf4 Bd6 16. Bxd6 Qxd6 17. Rad1 Nf6 18. Qe5 Rad8 19. Qxd6 Rxd6 20. dxc5 Rxd1 21. Rxd1 bxc5 22. c4 Rb8 23. b3 a5 24. Ne5 a4 25. Rd3 axb3 26. Rxb3 Rxb3 27. axb3 Kf8 28. f3 Ke7 29. Kf2 Nd7 30. Nd3 e5 31. Ke3 f5 32. Kd2 Kd6 33. Ke3 g5 34. b4 h5 35. h3 cxb4 36. Nxb4 Nf6 37. Nc2 f4+ 38. Kd3 g4 39. Na3 e4+ 40. fxe4 f3 41. Ke3 Nxe4 42. c5+ Kc7 0-1

[Event "Lisbon District-ch sf"]
[Site "Lisbon"]
[Date "2010.04.27"]
[Round "7"]
[White "Pereira, Sergio"]
[Black "Aguiar, Carlos Alberto Bran"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1948"]
[BlackElo "1920"]
[PlyCount "160"]
[EventDate "2010.04.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "POR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. Nc3 Qb6 7. Qb3 Qxb3 8. axb3 a6 9. Nb5 Kd8 10. Ng5 Be6 11. Nc7 Rc8 12. Ncxe6+ fxe6 13. Nf7+ Ke8 14. Nxh8 Nxd4 15. Ra4 e5 16. Bxe5 Rc1+ 17. Kd2 Nxb3+ 18. Ke3 g6 19. g3 Bg7 20. Bxf6 Bxf6 21. Bg2 d4+ 22. Kf4 Rc5 23. h4 Rf5+ 24. Kg4 Bxh8 25. Rb4 Nc5 26. Rc4 Bg7 27. f4 b5 28. Rc2 d3 29. exd3 Nxd3 30. Be4 h5+ 31. Kh3 Nxb2 32. Bxf5 gxf5 33. Rb1 Nd3 34. Rc6 b4 35. Rxa6 Bc3 36. Rh6 Nf2+ 37. Kg2 Ne4 38. Rxh5 Nd2 39. Rxb4 Bxb4 40. Rxf5 e6 41. Rb5 Bd6 42. h5 Ne4 43. h6 Kf7 44. Rb7+ Kg8 45. Kf3 Nc5 46. Rg7+ Kh8 47. Rg6 Bf8 48. Rf6 Be7 49. Rf7 Bd6 50. g4 Kg8 51. h7+ Kh8 52. g5 e5 53. f5 e4+ 54. Ke2 Nb3 55. Rd7 Nd4+ 56. Kd1 Nxf5 57. Rf7 Ne7 58. Rf6 Bb4 59. g6 Nxg6 60. Rxg6 Kxh7 61. Rg4 Bc5 62. Rxe4 Kg6 63. Rf4 Be7 64. Ke2 Bf6 65. Kd3 Kf7 66. Ke4 Ke6 67. Rg4 Bc3 68. Rg6+ Kd7 69. Kd5 Bd2 70. Rg7+ Kc8 71. Kc6 Kb8 72. Rd7 Be3 73. Rf7 Bg1 74. Rb7+ Ka8 75. Rb1 Bd4 76. Rd1 Ba7 77. Rd3 Bb8 78. Rd7 Ba7 79. Kb5 Bb8 80. Rd5 Ba7 1/2-1/2

[Event "Lisbon District-ch sf"]
[Site "Lisbon"]
[Date "2010.04.22"]
[Round "6"]
[White "Pires, Emanuel Joao Robart"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1916"]
[BlackElo "1948"]
[PlyCount "103"]
[EventDate "2010.04.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "POR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. d3 Nc6 5. c3 d4 6. Nf3 f6 7. Be2 Qc7 8. 0-0 Bd7 9. Na3 a6 10. Qe1 Nge7 11. Nc2 Nd5 12. Bd2 Be7 13. Qg3 g5 14. fxg5 fxe5 15. g6 0-0-0 16. Ng5 Nf4 17. Rae1 hxg6 18. Qg4 Rdf8 19. Ne4 Rh4 20. Qg3 Rfh8 21. h3 g5 22. Bg4 Kb8 23. Na3 b5 24. Kh1 Nd8 25. Nc2 Be8 26. a4 Bh5 27. Bxh5 Nxh5 28. Qf2 Nf4 29. Bxf4 gxf4 30. axb5 axb5 31. Qf3 Nc6 32. Ra1 Kb7 33. Rfc1 Ra8 34. Rxa8 Kxa8 35. b4 dxc3 36. bxc5 Qb7 37. Nxc3 Bxc5 38. Ne4 Be7 39. Rb1 b4 40. Qf2 b3 41. Nc5 bxc2 42. Qxc2 Qxb1+ 43. Qxb1 Bxc5 44. Qb5 Nd4 45. Qxc5 f3 46. Qa5+ Kb7 47. Kg1 Rf4 48. Qxe5 Ka8 49. Kf2 fxg2+ 50. Kxg2 Rh4 51. Kg3 Nf5+ 52. Qxf5 1-0

[Event "Lisbon District-ch sf"]
[Site "Lisbon"]
[Date "2010.04.20"]
[Round "5"]
[White "Santos, Luis Manuel Freire"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1886"]
[BlackElo "1948"]
[PlyCount "118"]
[EventDate "2010.04.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "POR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. c4 a6 5. Bxd7+ Qxd7 6. Nf3 Qg4 7. d4 Qxg2 8. Rg1 Qh3 9. Bf4 e6 10. dxe6 Bxe6 11. Ng5 Qf5 12. Nxe6 Qxe6+ 13. Qe2 Qxe2+ 14. Kxe2 0-0-0 15. Be5 Nd7 16. Bf4 g6 17. Rd1 Bg7 18. Be3 Nb6 19. Na3 Rhe8 20. Kf3 Na4 21. b3 Nc3 22. Rd3 c5 23. Nc2 cxd4 24. Bxd4 Ne4 25. Rad1 Ng5+ 26. Kg4 Re4+ 27. Kg3 h5 28. f3 Re2 29. Bxg7 Rxd3 30. Rxd3 Rxc2 31. a3 Ne6 32. Bf6 Ra2 33. b4 Rc2 34. c5 Rc4 35. Be5 a5 36. Rb3 h4+ 37. Kf2 Rc2+ 38. Ke3 a4 39. Rd3 Ra2 40. Ke4 Re2+ 41. Kd5 Rc2 42. Ke4 Ng5+ 43. Kf4 Ne6+ 44. Ke4 Rc4+ 45. Kd5 Rc2 46. Kd6 Kd8 47. Kd5 Ke7 48. Ke4 f6 49. Bd6+ Kf7 50. Bb8 f5+ 51. Kd5 f4 52. Ke4 Re2+ 53. Kd5 Rxh2 54. b5 Rb2 55. Kc4 Rc2+ 56. Rc3 Rxc3+ 57. Kxc3 h3 58. Bxf4 Nxf4 59. c6 bxc6 0-1

[Event "Lisbon District-ch sf"]
[Site "Lisbon"]
[Date "2010.04.15"]
[Round "4"]
[White "Pereira, Sergio"]
[Black "Bento, Rudolfo Antonio Cam"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1948"]
[BlackElo "1743"]
[PlyCount "131"]
[EventDate "2010.04.06"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "POR"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 Bxc3 6. bxc3 e5 7. d3 d6 8. Be2 h6 9. h3 Nh7 10. c5 Nc6 11. cxd6 cxd6 12. Ba3 Re8 13. 0-0 d5 14. Rab1 b6 15. exd5 Qxd5 16. Nd2 Ng5 17. Qb3 Be6 18. Qxd5 Bxd5 19. Rb2 e4 20. dxe4 Nxe4 21. Nxe4 Bxe4 22. Bb5 Re6 23. f3 Bg6 24. f4 Rf6 25. f5 Bh7 26. Re2 a6 27. Rfe1 Bxf5 28. Re8+ Rxe8 29. Rxe8+ Kh7 30. Bxa6 Re6 31. Rxe6 Bxe6 32. Bd6 Bxa2 33. Bc7 Kg6 34. Bxb6 Ne5 35. Kf2 Bc4 36. Bb7 Kf5 37. Ke3 Be6 38. Be4+ Kg5 39. Bc7 Nc4+ 40. Kd4 f5 41. Bd3 Nd2 42. Ke5 Bc8 43. Bd8+ Kg6 44. g4 Nf3+ 45. Kf4 Nd2 46. c4 Ba6 47. Bxf5+ Kf7 48. c5 g5+ 49. Ke3 Nc4+ 50. Kd4 Ke8 51. Bc7 Nd2 52. Ke3 Nc4+ 53. Kd4 Nd2 54. Ke5 Bf1 55. Kf6 Bxh3 56. Kg6 Nb3 57. Bd6 Nd4 58. Be5 Nxf5 59. gxf5 Bg2 60. f6 Bd5 61. Kxh6 g4 62. Kg7 Kd7 63. f7 Bxf7 64. Kxf7 Kc6 65. Bd4 Kd5 66. Bg1 1-0

[Event "Loura Honra"]
[Site "Bobadela"]
[Date "2005.12.23"]
[Round "7"]
[White "Pereira, Sergio"]
[Black "Leite, Filipe Gabriel Alme"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1970"]
[BlackElo "1952"]
[PlyCount "55"]
[EventDate "2005.12.17"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Be7 5. Nbd2 0-0 6. 0-0 Nbd7 7. c3 h6 8. Qe2 c5 9. e4 c4 10. Bc2 Re8 11. e5 Nh7 12. h3 b5 13. Nh2 a5 14. f4 Bf8 15. g4 g6 16. Qg2 Bg7 17. Ndf3 Ndf8 18. h4 Ra6 19. Kh1 f5 20. exf6 Bxf6 21. g5 hxg5 22. fxg5 Bg7 23. Ng4 Ra7 24. Bf4 Rf7 25. Be5 Bxe5 26. Nfxe5 Rxf1+ 27. Rxf1 Nxg5 28. Nf6+ 1-0

[Event "Loura Honra"]
[Site "Bobadela"]
[Date "2005.12.22"]
[Round "6"]
[White "Andrade, Bruno Miguel Rodrig"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2019"]
[BlackElo "1970"]
[PlyCount "107"]
[EventDate "2005.12.17"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. d3 0-0 7. Bg5 h6 8. Bd2 d6 9. h4 Bg4 10. Nh2 Be6 11. Qc1 h5 12. Nd5 Rb8 13. Bg5 f6 14. Bh6 Nd4 15. Bxg7 Kxg7 16. e3 c6 17. Nxe7 Qa5+ 18. Kf1 Rfe8 19. exd4 Rxe7 20. Qc3 Qxc3 21. bxc3 exd4 22. cxd4 Rbe8 23. Kg1 Bf5 24. Bf3 Bxd3 25. c5 dxc5 26. dxc5 Kf7 27. Kg2 Re5 28. Rhd1 Ba6 29. Rac1 Be2 30. Rd2 R8e6 31. Rb2 Ba6 32. Rd2 Be2 33. Rcc2 Ba6 34. Nf1 Re1 35. Ne3 Rb1 36. Be2 Bxe2 37. Rxe2 Ke7 38. Rb2 Rxb2 39. Rxb2 Re5 40. Rxb7+ Ke6 41. Rxa7 Rxc5 42. Rg7 g5 43. hxg5 fxg5 44. Rh7 g4 45. Ra7 Ke5 46. a4 Kd4 47. a5 Kc3 48. a6 Kb4 49. Ra8 Ka5 50. Kf1 Rc1+ 51. Ke2 Kb6 52. a7 Kb7 53. Rh8 Kxa7 54. Rxh5 1-0

[Event "Loura Honra"]
[Site "Bobadela"]
[Date "2005.12.21"]
[Round "5"]
[White "Pereira, Sergio"]
[Black "Fatia, Valter Miguel Antun"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1970"]
[BlackElo "1863"]
[PlyCount "77"]
[EventDate "2005.12.17"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. e3 e6 4. c4 c6 5. Nc3 Bd6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Bc7 9. b4 b6 10. b5 Ne7 11. cxb6 Bxb6 12. Na4 Ba5+ 13. Bd2 Bxd2+ 14. Kxd2 Nd7 15. bxc6 Nxc6 16. Bb5 Ncb8 17. Nb6 axb6 18. Rxa8 0-0 19. Rc1 f6 20. Rc7 e5 21. Raa7 Rd8 22. Ra8 Rf8 23. Bxd7 Nxd7 24. Rxf8+ Kxf8 25. Ne1 Ke7 26. dxe5 fxe5 27. Nd3 Kd6 28. Rc1 Nf6 29. f3 Bd7 30. g4 g5 31. Nf2 h6 32. h3 Bc6 33. h4 d4 34. e4 Bd7 35. hxg5 hxg5 36. Rh1 Ke7 37. Rh8 Kf7 38. Nd3 Ke6 39. Rb8 1-0

[Event "Loura Honra"]
[Site "Bobadela"]
[Date "2005.12.20"]
[Round "4"]
[White "Barreiros, Cilauro Neves"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1731"]
[BlackElo "1970"]
[PlyCount "72"]
[EventDate "2005.12.17"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Nxe2 Qxd5 6. 0-0 Nc6 7. b3 0-0-0 8. c4 Qf5 9. Nbc3 e6 10. Ng3 Qa5 11. Nce2 Ba3 12. Be3 Bb2 13. Rb1 Bxd4 14. Bxd4 e5 15. Qc2 exd4 16. Qb2 d3 17. b4 Qxb4 18. Qxb4 Nxb4 19. Rxb4 dxe2 20. Nxe2 Rhe8 21. Nc3 c6 22. h3 Ne4 23. Nxe4 Rxe4 24. Rfb1 Rd7 25. a3 c5 26. f3 cxb4 27. fxe4 bxa3 28. Ra1 Rd3 29. Kf1 Kc7 30. Ke1 Kc6 31. Ke2 Rg3 32. Kf1 Kc5 33. Kf2 Rb3 34. Ke2 a5 35. Kd2 Rg3 36. Kc2 Kxc4 0-1

[Event "Loura Honra"]
[Site "Bobadela"]
[Date "2005.12.19"]
[Round "3"]
[White "Pereira, Sergio"]
[Black "Ribeiro, Luis Landeiro"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1970"]
[BlackElo "2058"]
[PlyCount "59"]
[EventDate "2005.12.17"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 c5 7. c3 cxd4 8. exd4 Nc6 9. 0-0 a6 10. Re1 Bg4 11. h3 Bxf3 12. Nxf3 Qd6 13. Ne5 e6 14. Bxf6 Bxf6 15. f4 Bg7 16. h4 Qd8 17. Qg4 f5 18. Nxc6 bxc6 19. Qe2 Re8 20. Bxa6 Qb6 21. Bd3 c5 22. dxc5 Qxc5+ 23. Qf2 Qd6 24. a3 e5 25. fxe5 Bxe5 26. Re2 Bg3 27. Qd4 Rxe2 28. Bxe2 Qe6 29. Bf3 Rd8 30. Rd1 1-0

[Event "Loura Honra"]
[Site "Bobadela"]
[Date "2005.12.18"]
[Round "2"]
[White "Curado, Nuno"]
[Black "Pereira, Sergio"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "1725"]
[BlackElo "1970"]
[PlyCount "99"]
[EventDate "2005.12.17"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. d4 d6 8. Rb1 Bf5 9. Ra1 cxd4 10. Nxd4 Nxd4 11. Qxd4 Ne4 12. Qe3 Nxc3 13. bxc3 Qc7 14. Bd2 Rfe8 15. Be4 Bxe4 16. Qxe4 Rac8 17. Rab1 b6 18. Rb4 Qc6 19. Qd3 Rc7 20. Rfb1 Rec8 21. R1b3 Qd7 22. Ra3 Rc6 23. Be3 R8c7 24. f4 h5 25. Kg2 h4 26. Rba4 h3+ 27. Kf1 b5 28. Rxa7 Rxc4 29. Rxc7 Qxc7 30. Bd2 Qb7 31. Qf3 d5 32. g4 Ra4 33. Rxa4 bxa4 34. Kf2 e6 35. f5 exf5 36. gxf5 Qb6+ 37. Be3 Qd6 38. Qxh3 gxf5 39. Bd4 Qf4+ 40. Ke1 Bxd4 41. cxd4 Kg7 42. Qg3+ Qxg3+ 43. hxg3 Kg6 44. Kf2 Kg5 45. Kf3 a3 46. e3 f6 47. Kf2 Kh5 48. Kf3 Kg5 49. Kf2 Kg4 50. Kg2 1/2-1/2

[Event "Loura Honra"]
[Site "Bobadela"]
[Date "2005.12.17"]
[Round "1"]
[White "Elias, Ruben Joel Monteiro"]
[Black "Pereira, Sergio"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1886"]
[BlackElo "1970"]
[PlyCount "110"]
[EventDate "2005.12.17"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd2 Bg4 6. Nf3 Nbd7 7. Nd5 Qd8 8. Ne3 e5 9. Nxg4 Nxg4 10. c3 h6 11. Bc4 Qe7 12. 0-0 0-0-0 13. fxe5 dxe5 14. Qb3 Kb8 15. Bxf7 g5 16. Qe6 Ngf6 17. Qxe7 Bxe7 18. Rae1 g4 19. Nh4 g3 20. hxg3 Rhf8 21. Be6 Nc5 22. Bf5 exd4 23. Ng6 Rfe8 24. Nxe7 Rxe7 25. Bxh6 Nfxe4 26. Bg5 Nxg5 27. Rxe7 dxc3 28. bxc3 Rg8 29. Rfe1 a5 30. Re8+ Rxe8 31. Rxe8+ Kc7 32. Rg8 Nge4 33. Bxe4 Nxe4 34. c4 Nd6 35. c5 Ne4 36. Rg7+ Kc8 37. Kf1 Nxc5 38. Rg5 Ne4 39. Rxa5 Nxg3+ 40. Kf2 Ne4+ 41. Kf3 Nd2+ 42. Ke2 Nc4 43. Rc5 Nd6 44. Kd3 Kd7 45. Rg5 b5 46. g4 Ke6 47. Rg6+ Kd7 48. Rxd6+ Kxd6 49. Kd4 c5+ 50. Kc3 c4 51. g5 Ke5 52. Kb4 Kd4 53. g6 c3 54. g7 c2 55. g8Q c1Q 1/2-1/2

[Event "Lisbon-ch"]
[Site "Bobadela"]
[Date "2002.03.06"]
[Round "4.7"]
[White "Neves, Jose Joaquim A Cost"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2026"]
[PlyCount "69"]
[EventDate "2002.02.27"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be2 d5 5. e5 f6 6. f4 Nh6 7. Be3 0-0 8. Qd2 fxe5 9. dxe5 Nd7 10. 0-0-0 e6 11. h4 c5 12. Bf2 Nf7 13. Nf3 a6 14. h5 g5 15. h6 Bh8 16. Nxg5 Nxg5 17. Bh4 d4 18. Nb1 Nb6 19. Bxg5 Qd5 20. b3 Rf5 21. Bf3 Qd7 22. Rh5 Nd5 23. g4 Rf7 24. Re1 Ne3 25. Be4 a5 26. Qd3 a4 27. Bf6 Bxf6 28. exf6 Rxf6 29. Rg5+ Kf8 30. Bxh7 Rxh6 31. Rg8+ Kf7 32. g5 axb3 33. axb3 Ra2 34. gxh6 Qb5 35. Rxe3 1-0

[Event "Lisbon-ch"]
[Site "Bobadela"]
[Date "2002.03.04"]
[Round "3.5"]
[White "Pereira, Sergio"]
[Black "Carvalho, Alda"]
[Result "1/2-1/2"]
[ECO "B07"]
[BlackElo "2039"]
[PlyCount "68"]
[EventDate "2002.02.27"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "POR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bc4 Qb6 8. Be3 Qxd4 9. Bxd4 Be7 10. 0-0 0-0 11. Rae1 Nb6 12. Bxb6 axb6 13. Ng5 h6 14. e5 d5 15. exf6 Bxf6 16. Nxf7 Bxc3 17. bxc3 dxc4 18. Ne5 Rxa2 19. Rf2 Bf5 20. Nxc4 Rxc2 21. Rxc2 Bxc2 22. g3 b5 23. Na5 Rf7 24. Re8+ Kh7 25. Rb8 Rd7 26. Rxb7 Rd1+ 27. Kf2 Rd2+ 28. Ke1 Rd6 29. Rc7 Be4 30. Nb3 Rd3 31. Nc5 Rxc3 32. Nxe4 Re3+ 33. Kd2 Rxe4 34. Rxc6 Ra4 1/2-1/2

[Event "Lisbon-ch"]
[Site "Olival Basto"]
[Date "2000.04.07"]
[Round "11"]
[White "Rodrigues, Rui"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2128"]
[PlyCount "75"]
[EventDate "2000.03.15"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 dxc4 5. e3 c6 6. a4 Bb4 7. Bxc4 Ne4 8. Bd2 Nxd2 9. Qxd2 Nd7 10. 0-0 Qa5 11. Qc2 e5 12. Qb3 0-0 13. Nxe5 Nxe5 14. dxe5 Bxc3 15. Qxc3 Qxc3 16. bxc3 Bf5 17. f4 Rfd8 18. Rfd1 Kf8 19. Kf2 Ke7 20. Rd4 c5 21. Rdd1 Be4 22. Be2 Rxd1 23. Rxd1 Rd8 24. Rxd8 Kxd8 25. Bf3 Bc2 26. a5 b5 27. axb6 axb6 28. Ke2 Bb3 29. Kd2 Ke7 30. Bc6 Bc4 31. e4 Ke6 32. Kc2 h6 33. Kb2 f6 34. Bd5+ Bxd5 35. exd5+ Kxd5 36. c4+ Ke6 37. exf6 gxf6 38. g4 1-0

[Event "Lisbon-ch"]
[Site "Olival Basto"]
[Date "2000.04.05"]
[Round "10"]
[White "Pereira, Sergio"]
[Black "Lima, Paulo"]
[Result "0-1"]
[ECO "D31"]
[BlackElo "2049"]
[PlyCount "60"]
[EventDate "2000.03.15"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e4 b5 7. e5 Ne7 8. Be2 Nd5 9. Bd2 Bxc3 10. bxc3 0-0 11. Qc2 h6 12. 0-0 Nd7 13. Rfb1 a6 14. axb5 cxb5 15. Rxb5 axb5 16. Rxa8 N7b6 17. Ra1 Bd7 18. Qe4 Na4 19. Rc1 Qe7 20. Bd1 Rb8 21. Bc2 g6 22. Bxa4 bxa4 23. Bxh6 a3 24. Bg5 Qf8 25. Nd2 a2 26. Nxc4 Nxc3 27. Qc2 Qb4 28. Bd2 Ne2+ 29. Kf1 Nxc1 30. Bxb4 a1Q 0-1

[Event "Lisbon-ch"]
[Site "Olival Basto"]
[Date "2000.04.03"]
[Round "9"]
[White "Costa, Jorge"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2049"]
[PlyCount "74"]
[EventDate "2000.03.15"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 0-0 12. Re1 Qc7 13. Nc3 a6 14. Be3 Bd7 15. Rc1 Be8 16. h3 Bh5 17. Be2 Rae8 18. Ne5 Bxe5 19. Bxh5 Bh2+ 20. Kh1 g6 21. Bf3 Bf4 22. Qd2 Bxe3 23. Qxe3 Qb6 24. Rcd1 Qb4 25. Qd2 Nd8 26. Re2 Nf7 27. Ne4 Qe7 28. Nc5 Qd6 29. Rde1 Nd8 30. Qb4 Rf7 31. Qa4 Rfe7 32. Nd3 Nf7 33. Ne5 Ng5 34. Qd1 Nge4 35. Qc1 Kg7 36. Qf4 Qb4 37. Ng4 Nxg4 0-1

[Event "Lisbon-ch"]
[Site "Olival Basto"]
[Date "2000.03.31"]
[Round "8"]
[White "Pereira, Sergio"]
[Black "Dias, Augusto Martins"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "93"]
[EventDate "2000.03.15"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. a3 Ngxe5 6. Nxe5 Nxe5 7. e4 Be7 8. f4 Ng6 9. Nc3 c6 10. Be3 0-0 11. Bd3 d6 12. Qh5 Bd7 13. 0-0 Qc8 14. f5 Ne5 15. Be2 f6 16. Rf4 Be8 17. Qh3 g5 18. Rf2 Kg7 19. g4 Rh8 20. Raf1 h6 21. Qg3 Bf7 22. b3 Qd8 23. h4 Qg8 24. hxg5 hxg5 25. Bxg5 Qh7 26. Qg2 Rag8 27. Bf4 Kf8 28. Bxe5 dxe5 29. b4 Bh5 30. Qh3 Bxg4 31. Qxh7 Bxe2+ 32. Qxg8+ Rxg8+ 33. Rg2 Rxg2+ 34. Kxg2 Bxf1+ 35. Kxf1 Kg7 36. Ke2 Kh6 37. Kd3 Kg5 38. Nb1 b6 39. Nc3 Kf4 40. b5 Bxa3 41. bxc6 Bd6 42. c7 Bxc7 43. Nd5+ Kf3 44. Nxc7 a5 45. Ne8 a4 46. Nxf6 Kf4 47. Kc3 1-0

[Event "Lisbon-ch"]
[Site "Olival Basto"]
[Date "2000.03.29"]
[Round "7"]
[White "Morais, Vitor Mestre"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2156"]
[PlyCount "160"]
[EventDate "2000.03.15"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 d6 4. Bg2 Bg7 5. 0-0 Nc6 6. h3 e5 7. Nc3 0-0 8. d3 Be6 9. Rb1 a5 10. a3 h6 11. b4 Qd7 12. Kh2 axb4 13. axb4 Rfe8 14. b5 Nd4 15. e3 Nxf3+ 16. Qxf3 e4 17. Nxe4 Nxe4 18. Qxe4 Bf5 19. Qd5 c6 20. bxc6 bxc6 21. Qxc6 Qxc6 22. Bxc6 Bxd3 23. Bxa8 Rxa8 24. Bd2 Ra2 25. Rb8+ Kh7 26. Rd1 Be2 27. Rbb1 Rc2 28. Be1 Bxd1 29. Rxd1 Be5 30. Kg2 Rxc4 31. f4 Rc2+ 32. Kf3 Bc3 33. Bxc3 Rxc3 34. Rxd6 Kg7 35. g4 Ra3 36. h4 Ra4 37. Rd5 Kf6 38. h5 Ra1 39. Rb5 Kg7 40. Re5 Rf1+ 41. Kg2 Ra1 42. Rb5 Ra2+ 43. Kf3 Ra1 44. hxg6 Kxg6 45. Rb6+ Kg7 46. Rd6 Rf1+ 47. Ke4 Ra1 48. Ke5 Ra5+ 49. Rd5 Ra3 50. e4 Ra6 51. f5 Ra1 52. Rd8 Rg1 53. f6+ Kh7 54. Rf8 Rxg4 55. Rxf7+ Kg8 56. Ra7 h5 57. Kf5 Rg1 58. Ke6 Rf1 59. Rg7+ Kf8 60. Rh7 Kg8 61. Rxh5 Rf4 62. f7+ Kg7 63. e5 Ra4 64. Rg5+ Kh7 65. Rg8 Ra6+ 66. Kf5 Ra5 67. f8R Ra1 68. Rh8+ Kg7 69. Rfg8+ Kf7 70. e6+ Ke7 71. Rg7+ Kd6 72. Rd7+ Kc6 73. Rc8+ Kb6 74. e7 Rf1+ 75. Kg4 Rg1+ 76. Kf3 Rf1+ 77. Ke2 Rh1 78. e8Q Rh2+ 79. Kf3 Rh3+ 80. Kg2 Rh6 1-0

[Event "Lisbon-ch"]
[Site "Olival Basto"]
[Date "2000.03.27"]
[Round "6"]
[White "Pereira, Sergio"]
[Black "Prata, Jose Miguel Mendes"]
[Result "0-1"]
[ECO "D36"]
[BlackElo "2064"]
[PlyCount "71"]
[EventDate "2000.03.15"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. cxd5 exd5 6. e3 0-0 7. Bd3 c6 8. Qc2 h6 9. Bf4 Nbd7 10. Nf3 b6 11. 0-0-0 Bb7 12. g4 Ne8 13. h4 Bd6 14. g5 h5 15. Rhg1 Qe7 16. Bf5 a5 17. g6 f6 18. Bh3 Bxf4 19. exf4 f5 20. Rde1 Qd6 21. Ne5 c5 22. Nxd7 Qxd7 23. dxc5 d4 24. Qb3+ Kh8 25. Rg5 Nf6 26. Rxf5 Qc7 27. Ree5 Bf3 28. Nb5 Qb7 29. Nxd4 Bg4 30. Bxg4 Nxg4 31. Rxh5+ Nh6 32. c6 Rac8 33. Qc3 Qa6 34. Rb5 Rf6 35. Rxh6+ gxh6 36. Ne6 0-1

[Event "Lisbon-ch"]
[Site "Olival Basto"]
[Date "2000.03.20"]
[Round "3"]
[White "Guerra, Vitor Manuel Vestia"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2131"]
[PlyCount "79"]
[EventDate "2000.03.15"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 d6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. b3 c5 7. c4 Nc6 8. Bb2 Rb8 9. d5 Na5 10. Nc3 a6 11. Nd2 b5 12. cxb5 axb5 13. Qc2 Ba6 14. Rfe1 Qc7 15. Nd1 Rfc8 16. a3 Qb6 17. Ne3 Bh6 18. Nef1 b4 19. Bxf6 exf6 20. axb4 Bxd2 21. Nxd2 Qxb4 22. Ra4 Qb6 23. Qa2 c4 24. bxc4 Qd4 25. Rxa5 Rb2 26. Qa1 Qxd2 27. Rxa6 Rxc4 28. Rc6 Ra4 29. Qc1 Qa5 30. Qc3 Qb5 31. Qxf6 Ra8 32. Rc7 Rf8 33. Qxd6 Rxe2 34. Rxe2 Qxe2 35. Qd7 Qd1+ 36. Bf1 Kg7 37. d6 Qd5 38. Qc6 Qxc6 39. Rxc6 Rd8 40. Ra6 1-0

[Event "POR-chT"]
[Site "Portugal"]
[Date "1999.??.??"]
[Round "4"]
[White "Pereira, Rui Silva"]
[Black "Pereira, Sergio"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2254"]
[PlyCount "75"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Be7 8. Nc3 0-0 9. a4 b4 10. Nd5 Nxd5 11. Bxd5 Bf6 12. Bd2 Rb8 13. c3 Ne7 14. Bxb7 Rxb7 15. d4 bxc3 16. dxe5 Bxe5 17. Nxe5 cxd2 18. Qxd2 d6 19. Rfd1 Qa8 20. Nd3 a5 21. e5 Ng6 22. exd6 cxd6 23. b4 axb4 24. Nxb4 Ra7 25. Qxd6 Rxa4 26. Rxa4 Qxa4 27. Nc6 h6 28. g3 Qe4 29. Qd5 Qg4 30. Rd4 Qe2 31. Re4 Qf3 32. Rd4 Qe2 33. Re4 Qf3 34. Ne5 Nxe5 35. Rxe5 Qxd5 36. Rxd5 g5 37. Kg2 Kg7 38. Kf3 1/2-1/2

[Event "Lisbon-chB"]
[Site "Lisbon"]
[Date "1999.??.??"]
[Round "6"]
[White "Pereira, Sergio"]
[Black "Henriques, Sofia S"]
[Result "0-1"]
[ECO "D07"]
[BlackElo "2013"]
[PlyCount "80"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3 Nf6 5. e4 Bg4 6. Be3 e6 7. Bxc4 Bb4 8. Qc2 0-0 9. Rd1 Qe7 10. Be2 e5 11. d5 Nd4 12. Nxd4 exd4 13. Rxd4 Bxe2 14. Qxe2 Nxe4 15. Qc4 Nxc3 16. bxc3 Bd6 17. 0-0 Rfe8 18. Rfd1 Qe5 19. Bf4 Qe2 20. Qxe2 Rxe2 21. Bxd6 cxd6 22. R4d2 Rxd2 23. Rxd2 Rc8 24. Rd3 Kf8 25. Kf1 Rc4 26. Ke2 b5 27. Kd1 Ra4 28. Rd2 Ke7 29. Rb2 a6 30. Kc2 Kf6 31. Kb3 Re4 32. f3 Re3 33. Kb4 Ke5 34. Rd2 f5 35. Ka5 Rxc3 36. Kxa6 b4 37. Kb5 b3 38. Kb4 Rc2 39. Rd3 bxa2 40. Ra3 Rxg2 0-1

[Event "POR-chT"]
[Site "Portugal"]
[Date "1999.??.??"]
[Round "3"]
[White "Pereira, Sergio"]
[Black "Lopez Alfonso, Armando"]
[Result "0-1"]
[ECO "E76"]
[PlyCount "74"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 c5 6. d5 b5 7. cxb5 a6 8. a4 0-0 9. Nf3 axb5 10. Bxb5 Ba6 11. Bxa6 Nxa6 12. 0-0 Qb6 13. e5 Ng4 14. h3 c4+ 15. Qd4 Qxd4+ 16. Nxd4 dxe5 17. Nc6 Nf6 18. fxe5 Nd7 19. Bf4 e6 20. d6 Nac5 21. Rae1 Ra6 22. Ne7+ Kh8 23. Ne4 Nd3 24. Nf6 Nxf6 25. exf6 Bxf6 26. Re2 Bd4+ 27. Kh2 Nxf4 28. Rxf4 Rxd6 29. Nc6 Bxb2 30. Rxc4 Bf6 31. a5 Ra8 32. Ra2 Ra6 33. Nb4 Be5+ 34. g3 Ra8 35. a6 Rd4 36. Rxd4 Bxd4 37. Nc6 Bb6 0-1

[Event "POR Cup sf"]
[Site "Lisbon"]
[Date "1999.??.??"]
[Round "?"]
[White "Pereira, Sergio"]
[Black "Parcerias, Pedro"]
[Result "0-1"]
[ECO "D07"]
[BlackElo "2304"]
[PlyCount "73"]
[EventDate "1999.12.??"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. bxc3 Qd6 8. Bd3 Nge7 9. f3 0-0 10. Ne2 b6 11. 0-0 Be6 12. Be1 Rad8 13. Bg3 f5 14. Bb5 f4 15. exf4 exf4 16. Bh4 Na5 17. Qc1 c6 18. Bd3 Rde8 19. Re1 Nd5 20. a3 Bf5 21. Bxf5 Rxf5 22. g4 Rff8 23. Ra2 Qe6 24. Nxf4 Qf7 25. Rxe8 Rxe8 26. Nxd5 Qxd5 27. Rf2 Nb3 28. Qb1 c5 29. Qa2 a5 30. a4 cxd4 31. cxd4 Re1+ 32. Kg2 Re3 33. Bg3 Qxd4 34. Rb2 Qc4 35. Rc2 Qd5 36. Rc8+ Kf7 37. Qc2 0-1

[Event "POR-chT"]
[Site "Portugal"]
[Date "1999.??.??"]
[Round "5"]
[White "Pereira, Sergio"]
[Black "Rodrigues, Jose AA"]
[Result "0-1"]
[ECO "A85"]
[BlackElo "2065"]
[PlyCount "76"]
[EventDate "1999.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd2 0-0 6. Bd3 c5 7. d5 Ng4 8. Nf3 e5 9. h3 Nxf2 10. Kxf2 Bxc3 11. Bxc3 e4 12. Bc2 exf3 13. Qxf3 d6 14. Rhf1 Qh4+ 15. Qg3 Qxg3+ 16. Kxg3 g6 17. Rf4 Na6 18. Raf1 b5 19. e4 bxc4 20. exf5 gxf5 21. Bxf5 Bxf5 22. Rxf5 Rxf5 23. Rxf5 Nb4 24. a3 Na2 25. Bd2 Rb8 26. Bh6 c3 27. bxc3 Nxc3 28. Rg5+ Kf7 29. Rg7+ Kf6 30. Rxa7 Nxd5 31. Rd7 Rb3+ 32. Kh4 Ke6 33. Rxh7 c4 34. g4 c3 35. g5 Ne7 36. Kh5 c2 37. g6 Rxh3+ 38. Kg5 Rxh6 0-1

[Event "POR-ch U18"]
[Site "Silves"]
[Date "1998.??.??"]
[Round "6"]
[White "Guimaraes, Rui"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "120"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Be2 Be7 7. Nf3 0-0 8. 0-0 Bg4 9. Na3 N8d7 10. b3 Nf6 11. d5 Ne4 12. Qc2 Bf6 13. Bb2 Re8 14. Rfe1 Bxb2 15. Qxb2 Qf6 16. Qxf6 Nxf6 17. Nb5 Re7 18. Nfd4 a6 19. Nc3 Rae8 20. Kf1 Bd7 21. Bd3 Kf8 22. Bf5 Rxe1+ 23. Rxe1 Rxe1+ 24. Kxe1 Bxf5 25. Nxf5 g6 26. Nd4 Ke7 27. Ke2 Nbd7 28. Nf3 Nc5 29. Ke3 h6 30. h3 Ne8 31. Ne4 Nxe4 32. Kxe4 Nf6+ 33. Ke3 Kd7 34. Nd4 c5 35. dxc6+ bxc6 36. f3 d5 37. c5 Ne8 38. b4 Ng7 39. f4 Ne8 40. Nf3 f6 41. Nh4 g5 42. Nf5 h5 43. fxg5 fxg5 44. Kd4 Ke6 45. Ng3 Nf6 46. Ne2 Nd7 47. a4 Ne5 48. h4 gxh4 49. Nf4+ Kf5 50. Nxh5 Nc4 51. b5 cxb5 52. axb5 axb5 53. Kxd5 Ne3+ 54. Kd6 Nc4+ 55. Kd5 Na5 56. Ng7+ Kg4 57. Ke4 Nc6 58. Nf5 b4 59. Ne3+ Kg5 60. Nf1 Ne7 0-1

[Event "POR-ch U18"]
[Site "Silves"]
[Date "1998.??.??"]
[Round "7"]
[White "Pereira, Sergio"]
[Black "Dias, Paulo Jorge Guimara"]
[Result "1/2-1/2"]
[ECO "A04"]
[BlackElo "2295"]
[PlyCount "18"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d3 c5 4. g3 Nc6 5. Bg2 e6 6. 0-0 Nge7 7. Re1 d6 8. c3 0-0 9. Be3 f5 1/2-1/2

[Event "Lisbon op"]
[Site "Lisbon"]
[Date "1998.??.??"]
[Round "2"]
[White "Pereira, Sergio"]
[Black "Neto, Horacio"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2175"]
[PlyCount "90"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Nbd2 d6 5. g3 g6 6. Bg2 Bg7 7. 0-0 Nge7 8. Re1 0-0 9. h4 e5 10. c3 h6 11. a4 Be6 12. Rb1 a6 13. b4 cxb4 14. cxb4 b5 15. a5 Rc8 16. Nf1 d5 17. Be3 d4 18. Bd2 Qd6 19. N3h2 f5 20. f4 h5 21. Nf3 fxe4 22. dxe4 Bc4 23. Bh3 Rc7 24. N1h2 Kh8 25. Ng5 d3 26. Nhf3 exf4 27. gxf4 Nd4 28. Nxd4 Bxd4+ 29. Kh1 Nc6 30. Qf3 Bg7 31. e5 Qd8 32. Bg2 Nxe5 33. Qe4 Ng4 34. Qxg6 Nf6 35. Re6 Kg8 36. Rxf6 Rxf6 37. Qxh5 Rh6 38. Qg4 Bd5 39. Re1 Bxg2+ 40. Kxg2 Rc2 41. Ne6 Rxd2+ 42. Kg1 Qf6 43. Ng5 Qd4+ 44. Kh1 Qd5+ 45. Re4 Re2 0-1

[Event "POR-ch U18"]
[Site "Silves"]
[Date "1998.??.??"]
[Round "5"]
[White "Pereira, Sergio"]
[Black "Pinho, Tiago"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "66"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nf6 5. d3 0-0 6. Nbd2 Nc6 7. Re1 b6 8. e4 dxe4 9. dxe4 e5 10. b3 Qe7 11. Qe2 Rd8 12. a3 Nd4 13. Nxd4 Rxd4 14. Bb2 Rd7 15. b4 Bb7 16. Bh3 Rdd8 17. Bg2 Rd7 18. Nb3 Ne8 19. Nc1 c5 20. b5 a6 21. c4 Nc7 22. a4 Ne6 23. Bh3 Rd6 24. Bxe6 Qxe6 25. Bc3 Bh6 26. Ra2 Bxc1 27. Rxc1 axb5 28. axb5 Bxe4 29. Rxa8+ Bxa8 30. Qxe5 Qxe5 31. Bxe5 Rd7 32. f4 f5 33. Ra1 Be4 1-0

[Event "POR-ch U18"]
[Site "Silves"]
[Date "1998.??.??"]
[Round "4"]
[White "Silva, D."]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "126"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "POR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nc3 d5 5. Qd2 Ne4 6. Qc1 c5 7. Bh6 Bf6 8. e3 Qa5 9. Bb5+ Nc6 10. Bxc6+ bxc6 11. 0-0 Nxc3 12. Qd2 Bg4 13. bxc3 Bxf3 14. gxf3 Rg8 15. f4 cxd4 16. exd4 c5 17. Qd3 Rc8 18. Rab1 c4 19. Qh3 Qc7 20. Rb2 Qd7 21. Qxd7+ Kxd7 22. Rfb1 Rc7 23. Kg2 Rgc8 24. a4 e6 25. Kf3 Bd8 26. Bg7 f6 27. Bf8 Be7 28. Bxe7 Kxe7 29. h4 Kd7 30. a5 Rc6 31. Rb5 R6c7 32. R5b2 Re8 33. Rb5 Re7 34. Kg4 Kc6 35. a6 Kd6 36. Rb7 Red7 37. Kf3 Kc6 38. Rb8 f5 39. R1b5 Kd6 40. R8b7 Rc6 41. Rxd7+ Kxd7 42. Rb7+ Rc7 43. Rb8 Kd6 44. Rd8+ Rd7 45. Rb8 Ke7 46. Rb7 Kd6 47. Rb8 Rg7 48. Ke3 h6 49. f3 g5 50. hxg5 hxg5 51. fxg5 Rxg5 52. Rb7 Rg2 53. Rxa7 Rxc2 54. Ra8 Rxc3+ 55. Kd2 Ra3 56. a7 Kc7 57. Re8 Rxa7 58. Rxe6 Ra3 59. Re5 Rd3+ 60. Kc2 Rxd4 61. Rxf5 Kd6 62. Rf8 Ke5 63. Rf7 Rf4 0-1

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "?"]
[White "Cruz, Paulo A Pereira"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "72"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 c4 7. g3 f6 8. Nh4 g6 9. f4 Qb6 10. Qc2 Be7 11. Nxg6 hxg6 12. Qxg6+ Kf8 13. g4 fxe5 14. fxe5 Bh4+ 15. Kd1 Nxd4 16. Bxc4 Ba4+ 17. b3 Bxb3+ 18. Bxb3 Qxb3+ 19. Kd2 Bg5+ 20. Ke1 Nc2+ 21. Ke2 Qc4+ 22. Kd1 Nxa1 23. Bxg5 Qxg4+ 24. Kc1 Nb3+ 25. Kb2 Qg2+ 26. Kxb3 Qxh1 27. Bf6 Qd1+ 28. Kb4 a5+ 29. Kc5 Rh7 30. Qxh7 Qg1+ 31. Kb5 Rc8 32. Qd7 Qc5+ 33. Ka4 Qc4+ 34. Kxa5 Qa6+ 35. Kb4 Qb6+ 36. Qb5 Rc4+ 0-1

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "10"]
[White "Pereira, Sergio"]
[Black "Batista, Marco"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "43"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Ng6 5. Be3 Qf6 6. e5 Qc6 7. Nf3 Bb4+ 8. c3 Bc5 9. Qd3 Qb6 10. Bxc5 Qxc5 11. g3 f6 12. Nbd2 fxe5 13. Ne4 Qb6 14. 0-0-0 exf4 15. Re1 N8e7 16. h4 fxg3 17. h5 Nf4 18. Qd2 Qh6 19. Neg5 Ne6 20. Bc4 0-0 21. Nh4 Rf2 22. Bxe6+ 1-0

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "6"]
[White "Pereira, Sergio"]
[Black "Boino, Claudio N Vigidal"]
[Result "0-1"]
[ECO "C35"]
[PlyCount "44"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 5. e5 Ng4 6. 0-0 Nc6 7. d4 d5 8. exd6 Qxd6 9. Nc3 a6 10. Nd5 Ne3 11. Nxe3 fxe3 12. Bxe3 0-0 13. d5 Ne5 14. Nxe5 Qxe5 15. Bd4 Qg5 16. Qc1 Qh5 17. Qd1 Bg4 18. Qd2 Rae8 19. Rae1 Bd6 20. g3 b5 21. Bb3 Bf3 22. Qc3 Bxg3 0-1

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "12"]
[White "Pereira, Sergio"]
[Black "Costa, Albino"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "61"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Nbd2 cxd4 7. Bc4 Qd8 8. Qb3 e6 9. Qxb7 Nbd7 10. cxd4 Be7 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bb5 Rc8 14. Qxa7 Rc7 15. Bxd7+ Rxd7 16. Qa4 Bh5 17. 0-0 0-0 18. Nb3 Rd5 19. Re1 Qb8 20. Bf4 Rfd8 21. h3 Bd1 22. Rc1 Rd3 23. Re3 Rd2 24. Rec3 Rxb2 25. Rc7 Bf8 26. Rd7 Rxd7 27. Qxd7 Bxb3 28. axb3 Qxb3 29. Rc7 Qb4 30. Qxf7+ Kh8 31. Rc8 1-0

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "2"]
[White "Pereira, Sergio"]
[Black "Costa, Fernando JM"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2095"]
[PlyCount "104"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Be2 0-0 13. 0-0 Bf5 14. Qc1 Rac8 15. Rd1 Qc5 16. Qg5 h6 17. Qh5 Bg6 18. Qg4 Rcd8 19. h4 Bf5 20. Qf4 Bh7 21. Qg4 Bf5 22. Qf4 Bh7 23. Qg4 e3 24. Bd4 exf2+ 25. Kf1 Qa5 26. e6 Nf5 27. e7 Rxd4 28. exf8Q+ Kxf8 29. Qf3 Re4 30. Rd7 Rxe2 31. Kxe2 Qb5+ 32. Kxf2 Qxd7 33. Rd1 Qc7 34. Qa3+ Kg8 35. Qxa7 Bg6 36. Qa8+ Kh7 37. Rd8 Qg3+ 38. Kg1 Qe3+ 39. Kh2 Qf4+ 40. Kg1 Bh5 41. Rh8+ Kg6 42. Qxb7 Qd4+ 43. Kh1 Qxh4+ 44. Kg1 Qe1+ 45. Kh2 Qg3+ 46. Kg1 Qe3+ 47. Kh2 Qf4+ 48. Kg1 Ng3 49. Qb6+ f6 50. Qf2 Qc1+ 51. Kh2 Nf1+ 52. Kg1 Ne3+ 0-1

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "4"]
[White "Pereira, Sergio"]
[Black "Martinho, S."]
[Result "1-0"]
[ECO "C02"]
[PlyCount "35"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be3 Nge7 6. Nf3 Nf5 7. Qd2 cxd4 8. cxd4 Bb4 9. Nc3 0-0 10. Bd3 a6 11. 0-0 Bd7 12. Bg5 Bxc3 13. bxc3 Nfe7 14. Qf4 Kh8 15. Qh4 h6 16. Bf6 Kg8 17. Qg4 g6 18. Qh4 1-0

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "11"]
[White "Rodrigues, Ricardo"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "E43"]
[PlyCount "99"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 d5 7. Nge2 c5 8. 0-0 Nc6 9. a3 cxd4 10. exd4 dxc4 11. Bxc4 Be7 12. Kh1 0-0 13. Ne4 Rc8 14. Ba2 Ba6 15. N4g3 Nxd4 16. Qxd4 Qxd4 17. Nxd4 Bxf1 18. Nxf1 Rfd8 19. Nb3 Rd1 20. Bd2 Rxa1 21. Nxa1 Nd7 22. Ne3 Bf6 23. Nd1 Ne5 24. Bb3 Nd3 25. Bc3 Nxb2 26. Bxb2 Bxb2 27. Nc2 Be5 28. g3 Rd8 29. Nb4 Rc8 30. Nd3 Bd6 31. a4 Kf8 32. Kg2 e5 33. Kf1 Ke7 34. Ke2 f5 35. Ne3 g6 36. Nc4 Re8 37. Ncxe5 Bxe5 38. Nxe5 Kd6 39. f4 Rc8 40. Kd2 Rc7 41. Bc4 g5 42. Ke3 gxf4+ 43. gxf4 Kc5 44. Be6 Kb4 45. Bxf5 Kxa4 46. Bd7+ Kb3 47. f5 a5 48. f6 Ra7 49. f7 Ra8 50. Be8 1-0

[Event "Lisbon-ch Olival Basto op"]
[Site "Lisbon"]
[Date "1997.??.??"]
[Round "9"]
[White "Silva, JBP"]
[Black "Pereira, Sergio"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "86"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "POR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Bg2 Nc6 4. Nc3 d6 5. Nf3 Be6 6. d3 Qd7 7. Ng5 Be7 8. Nxe6 fxe6 9. 0-0 0-0 10. Bh3 Nd8 11. Qb3 Qe8 12. c5 d5 13. Bg5 Qh5 14. Bxf6 Rxf6 15. Bg2 Bxc5 16. e3 c6 17. Rac1 Bd6 18. Na4 b6 19. Rc2 Rc8 20. Rfc1 Rc7 21. Nc3 Qf7 22. a4 g5 23. a5 b5 24. Na2 b4 25. Qa4 Rb7 26. b3 g4 27. a6 Rb6 28. e4 d4 29. Rf1 Qh5 30. Rfc1 Qf7 31. Rf1 Qc7 32. f3 Qc8 33. Rfc1 Rxa6 34. Qb5 Rb6 35. Qc4 Rb5 36. Rf2 Rc5 37. Qxc5 Bxc5 38. Rxc5 gxf3 39. Bh3 Qd7 40. Rxe5 Qg7 41. Ra5 Qe7 42. Bg4 c5 43. Bxf3 Nc6 0-1

[Event "Lisbon-ch U14"]
[Site "Lisbon"]
[Date "1993.??.??"]
[Round "3"]
[White "Dias, Paulo Jorge Guimara"]
[Black "Pereira, Sergio"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "25"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POR"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. Nc3 Qh5 7. Be3 0-0-0 8. h3 e5 9. 0-0 exd4 10. hxg4 Nxg4 11. Bg5 Re8 12. Nd5 Re5 13. Nf4 1-0

