[Event "Sao Paulo Hebraica op 27th"]
[Site "Sao Paulo"]
[Date "2020.01.12"]
[Round "6"]
[White "Da Cunha, Gabriela Goes"]
[Black "Merguizo, Marco Antonio"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "1437"]
[BlackElo "1589"]
[PlyCount "72"]
[EventDate "2020.01.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 h6 8. 0-0 Bxc3 9. bxc3 Nge7 10. Re1 0-0 11. e5 d5 12. Bd3 Be6 13. Bf4 a6 14. a4 Qd7 15. a5 Rfc8 16. Nd2 Bf5 17. Bf1 Nd8 18. Nb3 Ne6 19. Be3 c6 20. Nc5 Nxc5 21. dxc5 Qe6 22. Bd4 Qg6 23. Qb3 Rc7 24. Re3 Be4 25. Rg3 Qh7 26. Ra2 Nf5 27. Rh3 Ne7 28. Rb2 Bf5 29. Re3 Be6 30. Qa3 h5 31. Rb3 g5 32. Qb2 Bc8 33. Rf3 Kf8 34. Rf6 Ng8 35. Rf3 Qg6 36. Bd3 Qh6 1-0

[Event "Sao Paulo Hebraica op 27th"]
[Site "Sao Paulo"]
[Date "2020.01.12"]
[Round "5"]
[White "Okuda, Paulo Alexandre Yuj"]
[Black "Merguizo, Marco Antonio"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "1739"]
[BlackElo "1589"]
[PlyCount "96"]
[EventDate "2020.01.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. d3 Bg4 10. Nbd2 a5 11. h3 Bh5 12. Nf1 h6 13. Ng3 Bg6 14. exd5 Nxd5 15. Nxe5 Nxe5 16. Rxe5 c6 17. Re1 a4 18. Bc2 Bd6 19. Ne4 Bc7 20. Qf3 Qh4 21. Bd2 Rad8 22. Qg4 Qxg4 23. hxg4 Bxe4 24. dxe4 Nf6 25. Rad1 Nxg4 26. f3 Bb6+ 27. Kf1 Nf2 28. Re2 Nxd1 29. Bxd1 Rd7 30. Bc2 Rfd8 31. Bf4 Bc7 32. e5 g5 33. e6 fxe6 34. Bxc7 Rxc7 35. Rxe6 h5 36. Rg6+ Rg7 37. Rxc6 Rd2 38. Be4 Kf7 39. c4 Rxb2 40. c5 Kf8 41. Rc8+ Ke7 42. c6 Kd6 43. Ke1 Rxa2 44. Rd8+ Kc7 45. Ra8 Kb6 46. Rb8+ Kc5 47. Rd8 Kb6 48. Rb8+ Kc5 1/2-1/2

[Event "Sao Paulo Hebraica op 27th"]
[Site "Sao Paulo"]
[Date "2020.01.11"]
[Round "4"]
[White "Merguizo, Marco Antonio"]
[Black "Rocha, Anderson Luiz da Si"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1589"]
[BlackElo "1720"]
[PlyCount "59"]
[EventDate "2020.01.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 0-0 6. 0-0 d6 7. d3 Be6 8. a3 a5 9. Bd2 h6 10. Rc1 Qd7 11. Ne1 Bh3 12. Nc2 Bxg2 13. Kxg2 d5 14. cxd5 Nxd5 15. Nxd5 Qxd5+ 16. Kg1 Qe6 17. Be3 Bxe3 18. Nxe3 Rfd8 19. Rc3 Rd7 20. Re1 Nd4 21. Ng2 a4 22. Qd2 Nb3 23. Qc2 c5 24. e3 Rad8 25. Rd1 e4 26. d4 cxd4 27. exd4 Nxd4 28. Rxd4 Rxd4 29. Nf4 Qb6 30. Qxa4 0-1

[Event "Sao Paulo Hebraica op 27th"]
[Site "Sao Paulo"]
[Date "2020.01.10"]
[Round "1"]
[White "Merguizo, Marco Antonio"]
[Black "Marra, Eduardo da Costa"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "1589"]
[BlackElo "2189"]
[PlyCount "44"]
[EventDate "2020.01.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 e5 6. 0-0 0-0 7. d4 Nbd7 8. Re1 c6 9. e4 exd4 10. Nxd4 Re8 11. Bg5 Qb6 12. Nb3 Qc7 13. Qc2 Ne5 14. c5 dxc5 15. Nxc5 Bg4 16. Bf4 Nh5 17. Bxe5 Bxe5 18. Nd3 Bh8 19. f3 Be6 20. Rad1 Bd4+ 21. Kh1 Nxg3+ 22. hxg3 Qxg3 0-1

[Event "Sao Paulo Hebraica op 27th"]
[Site "Sao Paulo"]
[Date "2020.01.10"]
[Round "2"]
[White "Scolastici, Marcus Vinicius"]
[Black "Merguizo, Marco Antonio"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1166"]
[BlackElo "1589"]
[PlyCount "63"]
[EventDate "2020.01.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. b4 Bb6 6. a4 a5 7. b5 Nce7 8. d4 exd4 9. cxd4 h6 10. 0-0 Ng6 11. Nc3 N8e7 12. Re1 0-0 13. Bd2 Bg4 14. h3 Bxf3 15. Qxf3 Bxd4 16. Rad1 Ne5 17. Qg3 Nxc4 18. Bxh6 Bf6 19. Nd5 Nxd5 20. Rxd5 Ne5 21. f4 Ng6 22. e5 Bh4 23. Qg4 Bxe1 24. Bxg7 Qh4 25. Qf5 Qf2+ 26. Kh1 Qf1+ 27. Kh2 Qxf4+ 28. Qxf4 Nxf4 29. Rd4 Kxg7 30. Rxf4 dxe5 31. Re4 Bb4 32. Rxe5 0-1

[Event "Sao Paulo ECP op 5th"]
[Site "Sao Paulo"]
[Date "2019.12.01"]
[Round "5"]
[White "Merguizo, Marco Antonio"]
[Black "Laguna, Oscar Alexander San"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1550"]
[BlackElo "1147"]
[PlyCount "31"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. Nf3 d6 6. 0-0 Be6 7. b3 0-0 8. Bb2 Qd7 9. e3 d5 10. cxd5 Nxd5 11. Rc1 Nxc3 12. Bxc3 Bd6 13. d4 exd4 14. Nxd4 Nxd4 15. Qxd4 Ba3 16. Qxg7# 1-0

[Event "Sao Paulo ECP op 5th"]
[Site "Sao Paulo"]
[Date "2019.12.01"]
[Round "6"]
[White "Nobre, Jose Adalberto Barb"]
[Black "Merguizo, Marco Antonio"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1631"]
[BlackElo "1550"]
[PlyCount "46"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. Qb3 Qe7 8. Ba3 d6 9. 0-0 Nh6 10. e5 Nxe5 11. Nxe5 Qxe5 12. f4 Qe3+ 13. Kh1 0-0 14. Bb2 Ng4 15. Na3 Bb6 16. Qc2 Bf5 17. Qe2 Qxe2 18. Bxe2 Nf2+ 19. Rxf2 Bxf2 20. Nb5 Bb6 21. Bf3 Rab8 22. c4 Rfe8 23. h3 Be4 0-1

[Event "Sao Paulo ECP op 5th"]
[Site "Sao Paulo"]
[Date "2019.11.30"]
[Round "4"]
[White "Bergamo, Victor Hugo Moura"]
[Black "Merguizo, Marco Antonio"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1510"]
[BlackElo "1550"]
[PlyCount "79"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 d6 4. dxe5 dxe5 5. Bxf7+ Ke7 6. Qxd8+ Kxd8 7. Bg5 Bc5 8. Nc3 c6 9. Nf3 Nbd7 10. 0-0-0 Kc7 11. Bh4 Ng4 12. Rd2 Ndf6 13. h3 Nh6 14. Nxe5 Bd6 15. Bg3 Nxf7 16. Nxf7 Bxg3 17. fxg3 Re8 18. Nd6 Re7 19. Nxc8 Rxc8 20. Re1 Rce8 21. g4 b5 22. b4 Nd7 23. Rd4 Nb6 24. Nb1 Ra8 25. Nd2 a5 26. bxa5 Rxa5 27. Kb1 Nd7 28. Nb3 Ra8 29. Kb2 Rf8 30. Re2 Nb6 31. Nc5 Nc4+ 32. Kb3 Ra8 33. a4 Na5+ 34. Kb4 bxa4 35. Nxa4 Nb7 36. Nc5 Nd6 37. Red2 Rb8+ 38. Kc3 Nb5+ 39. Kc4 Nxd4 40. Rxd4 0-1

[Event "Sao Paulo ECP op 5th"]
[Site "Sao Paulo"]
[Date "2019.11.30"]
[Round "3"]
[White "Da Conceicao, Daniel Firmino"]
[Black "Merguizo, Marco Antonio"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1837"]
[BlackElo "1550"]
[PlyCount "51"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d6 7. b4 Bb6 8. a4 a6 9. Nbd2 Ne7 10. Re1 Ng6 11. Nf1 h6 12. a5 Ba7 13. Bb3 c6 14. Ng3 Qc7 15. h3 Bd7 16. Nh2 Rad8 17. Qf3 Nh4 18. Qe2 Qc8 19. Nh5 Nh7 20. Nxg7 Kxg7 21. Qh5 Ng6 22. Qxh6+ Kh8 23. Nf3 Kg8 24. Ng5 Nxg5 25. Bxg5 Be6 26. Bf6 1-0

[Event "Sao Paulo ECP op 5th"]
[Site "Sao Paulo"]
[Date "2019.11.29"]
[Round "2"]
[White "Merguizo, Marco Antonio"]
[Black "Katsuyama, Eric Shih"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "1550"]
[BlackElo "1539"]
[PlyCount "43"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. d3 Bc5 7. Bg2 0-0 8. 0-0 Re8 9. Ne4 Bb6 10. a3 a5 11. Ned2 Bg4 12. Nc4 Bxf3 13. Bxf3 Nd4 14. Bg2 c6 15. e3 Nb5 16. e4 Nf6 17. Bg5 Bc7 18. Qd2 Nd4 19. Qd1 b5 20. Nd2 h6 21. Be3 Bb6 22. Kh1 1/2-1/2

[Event "Sao Paulo op-B U2050 8th"]
[Site "Sao Paulo"]
[Date "2019.10.20"]
[Round "6"]
[White "Merguizo, Marco Antonio"]
[Black "Dos Santos Junior, Gabriel Ribeiro"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1510"]
[BlackElo "1657"]
[PlyCount "50"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 Be7 5. Be2 0-0 6. 0-0 c5 7. d4 b6 8. b3 Bb7 9. Bb2 dxc4 10. Bxc4 Nd5 11. Rc1 cxd4 12. Qxd4 Bf6 13. Qg4 Qe7 14. Bxd5 exd5 15. Nd4 Nd7 16. Ncb5 Ne5 17. Qe2 Rfc8 18. Ba3 Qd7 19. Nd6 Rxc1 20. Rxc1 Be7 21. N4b5 Ba6 22. Qb2 Nd3 23. Qd4 Nxc1 24. Qxd5 Rf8 25. Bxc1 Bxb5 0-1

[Event "Sao Paulo op-B U2050 8th"]
[Site "Sao Paulo"]
[Date "2019.10.19"]
[Round "4"]
[White "Merguizo, Marco Antonio"]
[Black "De Souza, Eliana Aparecida"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1510"]
[BlackElo "1749"]
[PlyCount "75"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d4 e4 7. Bg5 Be7 8. e3 0-0 9. Nge2 Nbd7 10. Qb3 Nb6 11. Nf4 Be6 12. 0-0 Qd7 13. Rfc1 Nc4 14. Bxf6 Bxf6 15. Ncxd5 Nd2 16. Nxf6+ gxf6 17. Qd1 Nf3+ 18. Bxf3 exf3 19. Qxf3 Bg4 20. Qd5 Qe7 21. h3 Bc8 22. Rc3 Rd8 23. Qf3 Kg7 24. Rac1 Rb8 25. Rc7 Qd6 26. Qh5 Bd7 27. R7c5 Rbc8 28. Qh4 b6 29. Rxc8 Rxc8 30. Rxc8 Bxc8 31. Nh5+ Kg6 32. Qf4 Qc6 33. d5 Qxd5 34. Nxf6 Qd1+ 35. Kh2 Qf1 36. g4 Bb7 37. e4 Bc8 38. Nh5 1-0

[Event "Sao Paulo op-B U2050 8th"]
[Site "Sao Paulo"]
[Date "2019.10.18"]
[Round "2"]
[White "Machado, Antonio Rodrigo"]
[Black "Merguizo, Marco Antonio"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "1716"]
[BlackElo "1510"]
[PlyCount "47"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. d3 Bb7 10. Nbd2 dxe4 11. dxe4 Bd6 12. Nf1 Na5 13. Bc2 c5 14. Bg5 Qe7 15. Ne3 Qe6 16. Nf5 Bc7 17. Qe2 c4 18. Rad1 Rad8 19. h3 Bb6 20. Nh2 Bc5 21. Ng4 Nxg4 22. Qxg4 Rxd1 23. Rxd1 f6 24. Nh6+ 1-0

[Event "Sao Paulo op-B U2050 8th"]
[Site "Sao Paulo"]
[Date "2019.10.17"]
[Round "1"]
[White "Merguizo, Marco Antonio"]
[Black "Borges, Leonardo Hisao Hera"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1510"]
[BlackElo "1771"]
[PlyCount "106"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. e4 Bg7 7. Nge2 Nc6 8. 0-0 0-0 9. a3 a5 10. d3 e5 11. Be3 Nd4 12. a4 Be6 13. Bxd4 exd4 14. Nb5 c6 15. Na3 Qe7 16. Nf4 Qb4 17. Nxe6 fxe6 18. Bh3 Rae8 19. Qe2 Nxa4 20. Nc4 b5 21. Nd2 Nxb2 22. Rfc1 c5 23. Rc2 Na4 24. Nb1 e5 25. Bd7 Re7 26. Bc6 Nc3 27. Qe1 Rc7 28. Nxc3 Rxc6 29. Rb1 Qa3 30. Nd5 Rf7 31. Qd1 c4 32. Ra1 Qd6 33. Rxa5 Rb7 34. Ra8+ Bf8 35. Rca2 c3 36. Qc2 Qd7 37. Qb3 Qf7 38. R2a6 Rxa6 39. Rxa6 Kg7 40. Ra2 b4 41. Kg2 Bc5 42. Ra6 Bf8 43. Ra2 Qe6 44. f3 g5 45. h3 h5 46. Re2 Ra7 47. Ra2 Ra6 48. Rc2 Ra3 49. Qb1 b3 50. Rc1 b2 51. Rh1 Ra1 52. Qc2 Rxh1 53. Kxh1 Qxh3+ 0-1

[Event "BRA-ch Seniors 50+"]
[Site "Sao Paulo"]
[Date "2019.10.13"]
[Round "4"]
[White "Braga, Marcelo Melem"]
[Black "Merguizo, Marco Antonio"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "1548"]
[BlackElo "1510"]
[PlyCount "68"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. e4 d6 6. Bxf6 Bxf6 7. h3 e5 8. d5 Bg7 9. Nf3 f5 10. Bd3 Na6 11. 0-0 Nc5 12. Bc2 a5 13. Re1 Rf7 14. Qd2 h6 15. Re3 Bd7 16. Rf1 Qe7 17. Qd1 Raf8 18. Nd2 f4 19. Ree1 g5 20. f3 h5 21. Nb5 c6 22. Nc7 Bxh3 23. gxh3 Qxc7 24. Kf2 Qd7 25. Rh1 Bf6 26. Reg1 Rg7 27. Rg2 cxd5 28. cxd5 Qb5 29. b3 Nd3+ 30. Bxd3 Qxd3 31. Nc4 Qxd1 32. Rxd1 Rc8 33. Nxa5 Ra8 34. Nxb7 Rxb7 0-1

[Event "BRA-ch Seniors 50+"]
[Site "Sao Paulo"]
[Date "2019.10.13"]
[Round "5"]
[White "Merguizo, Marco Antonio"]
[Black "Dias, Joao Batista de Sou"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1510"]
[BlackElo "1875"]
[PlyCount "76"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. e4 c5 4. Nf3 Nc6 5. Be2 Nf6 6. 0-0 d6 7. h3 0-0 8. d3 a6 9. Re1 Rb8 10. a3 b5 11. Bf1 b4 12. axb4 Rxb4 13. e5 dxe5 14. Nxe5 Nxe5 15. Rxe5 Qd6 16. Re1 Bb7 17. Qc2 Nh5 18. Bd2 Nf4 19. Na4 a5 20. Bxb4 axb4 21. Rad1 Qc6 22. f3 Bd4+ 23. Kh1 Nh5 24. Re4 Qd6 25. Rxd4 Qxd4 26. Qd2 Bc6 27. b3 Ng3+ 28. Kh2 Qd6 29. f4 Nf5 30. d4 cxd4 31. c5 Qb8 32. Nb6 Rd8 33. Bd3 Ne3 34. g3 Nxd1 35. Qxd1 e5 36. f5 e4 37. Bc4 Qe5 38. Qg4 Qxf5 0-1

[Event "BRA-ch Seniors 50+"]
[Site "Sao Paulo"]
[Date "2019.10.12"]
[Round "3"]
[White "Capelo, Martinho Figueira"]
[Black "Merguizo, Marco Antonio"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1804"]
[BlackElo "1510"]
[PlyCount "108"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qe2+ Qe7 9. Bd2 Qxe2+ 10. Bxe2 Nb7 11. Nxd4 Bd7 12. 0-0 Bd6 13. Re1 Ne7 14. Bf3 0-0 15. Nc3 Rfe8 16. Rad1 Rac8 17. Ne4 Bb8 18. Nb3 Nd5 19. Nbc5 Nxc5 20. Nxc5 Bf5 21. c4 Nb6 22. b3 Red8 23. Na6 Bc2 24. Nxb8 Bxd1 25. Rxd1 Rxb8 26. Bxc6 Rd6 27. Bd5 Nxd5 28. cxd5 Rbd8 29. Bc3 Rxd5 30. Rxd5 Rxd5 31. Kf1 Rc5 32. Bd4 Rc1+ 33. Ke2 Rc2+ 34. Kd3 Rxa2 35. b4 a6 36. Kc4 f6 37. b5 Ra4+ 38. Kc5 axb5 39. Be3 b4 40. Kc4 Kf7 41. Kb3 Ra8 42. Kxb4 Ra1 43. Bf4 Rf1 44. Be3 Ke6 45. g3 Kd5 46. Kc3 Ke4 47. Kc4 Kf3 48. Kd5 Rxf2 49. Bxf2 Kxf2 50. Ke6 Kg2 51. Kf7 Kxh2 52. Kxg7 f5 53. Kf6 Kxg3 54. Kxf5 h5 0-1

[Event "BRA-ch Seniors 50+"]
[Site "Sao Paulo"]
[Date "2019.10.11"]
[Round "1"]
[White "Merguizo, Marco Antonio"]
[Black "Arruda Filho, Ivo Pereira de"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1510"]
[BlackElo "1733"]
[PlyCount "74"]
[EventDate "2019.10.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nc6 7. d4 e5 8. d5 Ne7 9. e4 Bg4 10. h3 Bxf3 11. Bxf3 Nd7 12. Qe2 f5 13. Bg5 Nf6 14. Bxf6 Rxf6 15. Rad1 Qd7 16. exf5 gxf5 17. Bg2 Rg6 18. Qc2 Rf8 19. Ne2 f4 20. Be4 Rh6 21. h4 f3 22. Nc3 Qh3 23. Bxf3 Rxf3 24. Ne4 Rf5 25. Qe2 Bf6 26. Nxf6+ Rfxf6 27. Rd3 Rfg6 28. Qe4 Rxh4 29. Qg2 Qxg2+ 30. Kxg2 Rxc4 31. Rd2 Nf5 32. Rh1 Nh4+ 33. Kh3 Nf3 34. Rdd1 Rh6+ 35. Kg2 Rxh1 36. Kxh1 Rc5 37. Kg2 Nd4 0-1

[Event "Sao Paulo STD U2200 op 5th"]
[Site "Sao Paulo"]
[Date "2019.09.01"]
[Round "5"]
[White "Guedes, Lucas Caiche"]
[Black "Merguizo, Marco Antonio"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "1231"]
[BlackElo "1775"]
[PlyCount "56"]
[EventDate "2019.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Bxc6 dxc6 6. Nxe5 0-0 7. Nf3 Re8 8. d3 Bg4 9. b3 Bb4 10. Bb2 Bxf3 11. Qxf3 Qd4 12. Kd2 Nxe4+ 13. Kc1 Bxc3 14. Bxc3 Qxc3 15. Rb1 Nf6 16. b4 Re7 17. Rb3 Re1+ 18. Rxe1 Qxe1+ 19. Kb2 Re8 20. d4 Qe4 21. Qg3 Qxd4+ 22. Ka3 Qd6 23. Qg5 Nd5 24. c4 Qe7 25. Qh5 g6 26. Qh6 Nxb4 27. Rxb4 a5 28. Kb3 Qxb4+ 0-1

[Event "Sao Paulo STD U2200 op 5th"]
[Site "Sao Paulo"]
[Date "2019.09.01"]
[Round "6"]
[White "Merguizo, Marco Antonio"]
[Black "Brujin, Homero"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1775"]
[BlackElo "1496"]
[PlyCount "40"]
[EventDate "2019.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. d3 d6 8. Ne2 Bg4 9. h3 Bxf3 10. Bxf3 Ne5 11. Bg2 Rc8 12. Be3 b6 13. f4 Nc6 14. c3 d5 15. e5 Ne8 16. d4 c4 17. Qd2 e6 18. g4 Ne7 19. Ng3 f5 20. exf6 Rxf6 1-0

[Event "Sao Paulo STD U2200 op 5th"]
[Site "Sao Paulo"]
[Date "2019.08.31"]
[Round "3"]
[White "De Menezes, Ricardo Fagner Dias"]
[Black "Merguizo, Marco Antonio"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1665"]
[BlackElo "1775"]
[PlyCount "55"]
[EventDate "2019.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. c4 e6 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 0-0 7. Bg2 d5 8. 0-0 c6 9. Ne5 Nbd7 10. Ndf3 Ne4 11. Nxd7 Bxd7 12. e3 Qe7 13. Qc2 Be8 14. Ne5 Nd6 15. Rac1 Nf7 16. Nxf7 Qxf7 17. cxd5 exd5 18. b4 Qe7 19. b5 Bd7 20. Qb3 Rab8 21. Qa4 Ra8 22. Qb3 Rab8 23. a4 Kh8 24. b6 a5 25. Rc5 Ra8 26. Qc3 Ra6 27. Rb1 Rfa8 28. Bf1 1-0

[Event "Sao Paulo STD U2200 op 5th"]
[Site "Sao Paulo"]
[Date "2019.08.31"]
[Round "4"]
[White "Merguizo, Marco Antonio"]
[Black "Gomes, Joao Paulo Santos"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1775"]
[BlackElo "1538"]
[PlyCount "89"]
[EventDate "2019.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. d3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nc3 Nc6 8. Ne2 Bd7 9. c3 Rc8 10. h3 Qc7 11. g4 c4 12. Ng3 cxd3 13. Qxd3 Na5 14. Qd1 b5 15. Re1 Nc4 16. a3 Rfd8 17. Qe2 Bc6 18. Nd4 e5 19. Nxc6 Qxc6 20. Kh2 Nd7 21. h4 Nc5 22. h5 Nb3 23. Rb1 a5 24. hxg6 hxg6 25. g5 Rb8 26. Nf1 b4 27. Ne3 Nxe3 28. Bxe3 bxc3 29. Qc2 a4 30. Red1 Rbc8 31. Rd3 cxb2 32. Qxb2 Qc2 33. Qxc2 Rxc2 34. Rbd1 Ra2 35. Rxd6 Rxd6 36. Rxd6 Rxa3 37. Ra6 Nd4 38. Bf1 Bf8 39. Bc4 Nc2 40. Bb6 Be7 41. Ra7 Bxg5 42. Rxf7 Kh8 43. Rf8+ Kg7 44. Rf7+ Kh6 45. Bc5 0-1

[Event "Sao Paulo STD U2200 op 5th"]
[Site "Sao Paulo"]
[Date "2019.08.30"]
[Round "2"]
[White "Merguizo, Marco Antonio"]
[Black "Miranda, Raul"]
[Result "1/2-1/2"]
[ECO "C36"]
[WhiteElo "1775"]
[BlackElo "1594"]
[PlyCount "84"]
[EventDate "2019.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Qxd5 5. Nc3 Qd8 6. Bc4 Nf6 7. d4 Bd6 8. Qe2+ Qe7 9. Qxe7+ Bxe7 10. Bxf4 c6 11. 0-0-0 0-0 12. h3 b5 13. Bd3 b4 14. Ne4 Nd5 15. Bd2 Ba6 16. Bxa6 Nxa6 17. Rhe1 h6 18. g4 Rac8 19. Rf1 Nac7 20. h4 f5 21. gxf5 Rxf5 22. Ne5 Rxf1 23. Rxf1 Ne6 24. Ng6 a5 25. c4 bxc3 26. Nxe7+ Nxe7 27. bxc3 c5 28. dxc5 Nxc5 29. Nxc5 Rxc5 30. Rf4 Ng6 31. Re4 Ne5 32. a4 Nc4 33. Be1 Nd6 34. Rf4 g5 35. hxg5 hxg5 36. Rg4 Kf7 37. Kc2 Nc4 38. Kb3 Nd6 39. c4 Kf6 40. Rd4 Ke5 41. Rg4 Kf5 42. Rd4 Ke5 1/2-1/2

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2019.03.02"]
[Round "2"]
[White "Merguizo, Marco Antonio"]
[Black "Chang, Suzana"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "1992"]
[PlyCount "46"]
[EventDate "2019.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. c3 e5 8. Re1 d6 9. Nbd2 h6 10. Nf1 Be6 11. Ne3 0-0 12. h4 f5 13. Bh3 Qd7 14. exf5 gxf5 15. Qe2 Rac8 16. Bd2 Kh7 17. h5 Rf7 18. Nh4 d5 19. Kh2 d4 20. Neg2 c4 21. dxc4 d3 22. Qe3 Bxc4 23. f3 Rd8 0-1

