[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "1"]
[White "Brandao, Renan Alves"]
[Black "Moyses Sobrinho, Elias"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2095"]
[BlackElo "1880"]
[PlyCount "47"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 c6 3. Nf3 Bf5 4. cxd5 cxd5 5. Qb3 b6 6. Nc3 Nf6 7. Bg5 e6 8. e4 Bxe4
9. Bb5+ Ke7 10. Nxe4 dxe4 11. Ne5 h6 12. Qa3+ Qd6 13. Qxd6+ Kxd6 14. Bxf6 gxf6 15.
Nxf7+ Ke7 16. Nxh8 a6 17. Ba4 Bg7 18. Ng6+ Kf7 19. Nf4 e5 20. Bb3+ Ke7 21. dxe5 fxe5
22. Nd5+ Kd6 23. Nxb6 Ra7 24. Nc8+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "2"]
[White "Baptista, Andre Kemper"]
[Black "Cordeiro, Marco Aurelio Zaror"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1874"]
[BlackElo "2079"]
[PlyCount "72"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 Nf6 2. Nc3 e6 3. e5 Nd5 4. Nxd5 exd5 5. Qf3 c6 6. c4 d4 7. Qe4 c5 8. f4 Nc6
9. Nf3 Be7 10. Be2 d6 11. O-O g6 12. exd6 Qxd6 13. Ne5 Bf5 14. Qf3 Nxe5 15. fxe5
Qxe5 16. d3 Bd6 17. g3 O-O 18. Bf4 Qe7 19. Bh6 Rfe8 20. Rf2 Be5 21. Raf1 Bg7 22.
Bxg7 Kxg7 23. g4 Be6 24. Qf4 Rad8 25. g5 Kg8 26. Bf3 Bh3 27. Bg2 Bxg2 28. Kxg2 Rd7
29. Rf3 Qe5 30. Qh4 Rde7 31. Rh3 Qg7 32. Rhf3 Re2+ 33. Kh1 R8e7 34. R1f2 Qe5 35.
Rxe2 Qxe2 36. Qf2 Qd1+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "3"]
[White "Lima, Stefan Moisei Vieira"]
[Black "Goussain, Blaha"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2061"]
[BlackElo "1872"]
[PlyCount "149"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Bc8 7. Nf3 e6 8. Bd2 Nc6
9. Bd3 Be7 10. O-O O-O 11. a3 b6 12. Rac1 Bb7 13. Rfd1 Rc8 14. Ne2 Qd6 15. Ng3 Qb8
16. Rc2 Bd6 17. Rdc1 Ne7 18. Bb4 Rxc2 19. Rxc2 Rc8 20. Bxd6 Qxd6 21. Ne5 Qd8 22.
Ne2 Rxc2 23. Bxc2 Qc7 24. Nc3 Bc6 25. Nxc6 Qxc6 26. h3 Nc8 27. Bd3 Nd6 28. Qd1 g6
29. f3 Kg7 30. Qe2 Nh5 31. g4 Nf6 32. e4 dxe4 33. fxe4 Nc8 34. Qf3 Qd7 35. Qf2 h6
36. Bc2 Ne7 37. Bb3 Qc6 38. Qe3 a6 39. Kf1 b5 40. Qd3 Qc7 41. Kg2 Qf4 42. Qf3 Qd2+
43. Qf2 Qxf2+ 44. Kxf2 Kf8 45. Ke3 g5 46. d5 exd5 47. Bxd5 Nfxd5+ 48. Nxd5 Nc6 49.
Nc7 Ke7 50. Nxa6 Kd6 51. b4 Ne5 52. Nc5 Nc4+ 53. Kd4 Nxa3 54. e5+ Kc6 55. Ke4 Nc2
56. Nd3 Na3 57. Ne1 Nc4 58. Nf3 Na3 59. Nd4+ Kd7 60. Kd5 Ke7 61. Nf5+ Kf8 62. Nxh6
Nc4 63. Nf5 Nb2 64. Kd4 Nc4 65. Nd6 Nd2 66. Nxb5 Nf3+ 67. Ke4 Ng1 68. Kf5 Nxh3 69.
Nd6 Ke7 70. b5 Nf4 71. Kxg5 Ne6+ 72. Kf5 Nc5 73. b6 Nd7 74. Nc4 Nc5 75. Na5  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "4"]
[White "Cincinato, Thalita Ariane C."]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1854"]
[BlackElo "2055"]
[PlyCount "64"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. e3 cxd4 5. exd4 a6 6. Nf3 Nc6 7. Be2 h6 8. Bh4 Bf5
9. O-O e6 10. Ne5 Rc8 11. Re1 Be7 12. Nxc6 Rxc6 13. Bd3 Bxd3 14. Qxd3 O-O 15. Re3
Qd6 16. Rh3 Rfc8 17. a3 Ne4 18. Bxe7 Qxe7 19. Nxe4 dxe4 20. Qxe4 Rxc2 21. Rc3 R2xc3
22. bxc3 Rxc3 23. g3 Qd7 24. Rb1 Rc6 25. Qe5 b5 26. a4 bxa4 27. Rb8+ Kh7 28. Qe4+
f5 29. Qf4 Qd5 30. h4 Rc4 31. Kh2 Rxd4 32. Qc7 Rd1  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "5"]
[White "Fonseca Rodrigues, Edson"]
[Black "Fernandes, Felipe Gambini"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2046"]
[BlackElo "1850"]
[PlyCount "117"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Nc6 6. Bf4 Qb6 7. Qe2 Bg4 8. f3 Bh5
9. Nh3 Bg6 10. Nf2 e6 11. O-O Be7 12. g4 O-O 13. Bxg6 hxg6 14. Nd3 Ne8 15. Nd2 Bd6
16. Nb3 Qc7 17. Be5 Nf6 18. Kg2 Nd7 19. Rae1 a5 20. f4 Nf6 21. Nd2 a4 22. h4 a3 23.
b3 Ne7 24. c4 dxc4 25. bxc4 Nc6 26. Nb3 Bxe5 27. fxe5 Nd7 28. Rc1 Na5 29. Nd2 Nb6
30. Nf4 Qd8 31. c5 Nd5 32. g5 Nxf4+ 33. Rxf4 Qd5+ 34. Ne4 Nc6 35. Qc4 Rfd8 36. Qxd5
Rxd5 37. Nd6 Nb4 38. Rc4 Nc6 39. Re4 Ra5 40. Kf3 Ra7 41. Ke3 Ra5 42. Kd3 Ne7 43.
Kc3 Nf5 44. Kb4 Ra7 45. Nc8 Ra6 46. Nd6 Nxd6 47. exd6 Kf8 48. Re5 Ke8 49. Rxd5 exd5
50. Rc3 Kd7 51. Re3 f5 52. gxf6 gxf6 53. Re7+ Kd8 54. Rxb7 Ra8 55. Rg7 Rb8+ 56. Kxa3
Ra8+ 57. Kb3 Rb8+ 58. Kc3 g5 59. Rg8+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "6"]
[White "De Souza Monteiro, Marcos Paulo"]
[Black "Santos, Isaque Goncalves"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1842"]
[BlackElo "2021"]
[PlyCount "96"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Qc2 Nf6 6. Bg5 Be7 7. e3 a5 8. Bd3 h6
9. Bh4 Na6 10. a3 Nc7 11. Nge2 Ne6 12. O-O O-O 13. f3 Re8 14. Rad1 b5 15. a4 b4 16.
Nb1 Qb6 17. Kh1 c5 18. Bb5 Rd8 19. dxc5 Nxc5 20. Nd4 Bb7 21. Qe2 g6 22. Nd2 Ne6 23.
N2b3 Nc7 24. Bd3 Kg7 25. Bf2 Nd7 26. e4 Qf6 27. f4 dxe4 28. Bxe4 Bxe4 29. Qxe4 Nc5
30. Qc2 N7e6 31. f5 Nxd4 32. Bxd4 Rxd4 33. Nxd4 g5 34. Qe2 Nxa4 35. Nc6 Qxc6 36.
Qxe7 Re8 37. Qa7 Re2 38. f6+ Kg6 39. Rf2 Rxb2 40. Qe3 Rxf2 41. Qxf2 Qxf6 42. Qc2+
Qf5 43. Qxa4 h5 44. Ra1 h4 45. Qxa5 Qe4 46. Qa2 f5 47. h3 g4 48. hxg4 Qxg4  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "7"]
[White "Sekula, Markley Ribas"]
[Black "Cardozo, Matheus Santos"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2015"]
[BlackElo "1822"]
[PlyCount "54"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d3 d5 3. Nd2 dxe4 4. dxe4 Nf6 5. h3 g6 6. Ngf3 Bg7 7. Bc4 b5 8. Be2 O-O
9. O-O Qb6 10. c3 Bb7 11. a4 a6 12. Qc2 c5 13. axb5 axb5 14. Rxa8 Bxa8 15. Qb3 Bc6
16. Nc4 Qc7 17. Nce5 c4 18. Qb4 Na6 19. Qa3 Ra8 20. Nxc6 Qxc6 21. Nd4 Qb6 22. Qxe7
Re8 23. Qa3 Nxe4 24. Be3 Ng3 25. Re1 Nxe2+ 26. Rxe2 Bf8 27. b4 Nc7  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "8"]
[White "Van Riemsdijk, Dirk D."]
[Black "Nascimento, Daniel Rojas"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1817"]
[BlackElo "1992"]
[PlyCount "37"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 O-O 8. O-O
Nc6 9. Kh1 e5 10. Ndb5 Ne8 11. a4 a6 12. Na3 Be6 13. f4 Nd4 14. Bc4 Bxc4 15. Nxc4
Rc8 16. Qd3 Rxc4 17. Qxc4 Nxc2 18. Nd5 Nxe3 19. Nxe3  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "9"]
[White "Oliveira, Tiago Batista"]
[Black "Pavao, Fabio Biasi"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1991"]
[BlackElo "1790"]
[PlyCount "97"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Rc1
O-O 9. Qd2 Qa5 10. d5 b6 11. c4 Qxd2+ 12. Kxd2 Rd8 13. f4 e6 14. Bd3 exd5 15. cxd5
f5 16. Ke2 fxe4 17. Bxe4 Bb7 18. Nf3 Nd7 19. Bb1 Bxd5 20. g4 Nf6 21. Rhg1 Be4 22.
Ng5 Bxb1 23. Rxb1 Re8 24. Kf3 h6 25. Nh3 Nd5 26. Bd2 Rad8 27. Nf2 Nc3 28. Bxc3 Bxc3
29. Rgd1 Rd4 30. Rxd4 Bxd4 31. Ne4 Rf8 32. Kg3 Rc8 33. Kf3 Rc6 34. Nd2 Kf7 35. Nc4
Ke6 36. Ke4 Kf6 37. a4 Re6+ 38. Kd5 Re2 39. h4 h5 40. Nxb6 hxg4 41. Nd7+ Kf5 42.
Rb8 Kxf4 43. Rg8 Rh2 44. Rxg6 Rxh4 45. Nxc5 Rh5+ 46. Kxd4 g3 47. Ne4 Ra5 48. Nc3
Kf3 49. Rf6+  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "10"]
[White "Da Cunha, Gabriela Goes"]
[Black "Lutz, Igor Oscar"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1772"]
[BlackElo "1969"]
[PlyCount "60"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. cxd5 exd5 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nc3 O-O 8. e3
c6 9. Be2 Bf5 10. O-O Nd7 11. b4 Re8 12. b5 Qa5 13. Rc1 Rab8 14. Qa4 Qxa4 15. Nxa4
cxb5 16. Nc3 Be6 17. Nxb5 a6 18. Nd6 Red8 19. Rc7 b5 20. Rfc1 Be7 21. Nb7 Re8 22.
a4 bxa4 23. Bxa6 Nb6 24. Rb1 Na8 25. Rcc1 Bf5 26. Ra1 Bc8 27. Rcb1 Nc7 28. Bb5 Nxb5
29. Rxb5 Rxb7 30. Rxd5 Be6  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "11"]
[White "Soares, Renan Barbosa Monteiro"]
[Black "Komatu, Felipe Karczewski"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1960"]
[BlackElo "1766"]
[PlyCount "109"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. Nc3 b6 8. Bf4 Bb7
9. cxd5 cxd5 10. Rc1 Nc6 11. e3 Rc8 12. a3 h6 13. Qe2 Ne4 14. h4 e6 15. g4 Nd6 16.
Rfd1 Na5 17. Bg3 Qe7 18. b4 Nac4 19. Qa2 Rfd8 20. Bf1 Bf6 21. Bxc4 Nxc4 22. Kg2 Kg7
23. Kh3 Nd6 24. Ne5 Kg8 25. f4 Bxe5 26. fxe5 Nc4 27. Bf2 f6 28. exf6 Qxf6 29. Qe2
e5 30. Bg3 exd4 31. Rxd4 Re8 32. Rf1 Qe6 33. Nd1 Nxa3 34. Rdf4 Rf8 35. Rxf8+ Rxf8
36. Rxf8+ Kxf8 37. Qb2 Bc8 38. Qh8+ Kf7 39. Nf2 h5 40. Qh7+ Ke8 41. Qh8+ Kd7 42.
Qg7+ Kc6 43. Qc7+ Kb5 44. Bf4 Nc4 45. Qxa7 Nxe3 46. Qa3 Nc4 47. Qg3 hxg4+ 48. Kg2
Qe2 49. Kg1 Qf3 50. Qxf3 gxf3 51. Nd3 Bf5 52. Ne1 Be4 53. Kf2 Kxb4 54. Nxf3 Bxf3
55. Kxf3  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "12"]
[White "Vieira, Paulo Cesar"]
[Black "Castro Silva, Alex"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1762"]
[BlackElo "1955"]
[PlyCount "45"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 d6 3. Bc4 c6 4. d4 Nf6 5. dxe5 Nxe4 6. exd6 Bxd6 7. O-O O-O 8. Nbd2
Nxd2 9. Bxd2 Bg4 10. Bc3 Bxf3 11. Qxf3 Bxh2+ 12. Kxh2 Qh4+ 13. Kg1 Qxc4 14. Rad1
Na6 15. Rd4 Qxa2 16. Rfd1 Nc5 17. Qh5 f5 18. Rh4 h6 19. Rd6 Ne6 20. Qg6 Rad8 21.
Rxe6 Rf7 22. Rxh6 Rd1+ 23. Kh2  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "13"]
[White "Hopka, Matheus Marchesi"]
[Black "Tumenas, Douglas"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1936"]
[BlackElo "1758"]
[PlyCount "91"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 O-O
9. Qd2 Nxd4 10. Bxd4 Be6 11. Nd5 Bxd5 12. exd5 Qc7 13. Bb3 Nd7 14. O-O-O Bxd4 15.
Qxd4 b5 16. h4 a5 17. c3 Qc5 18. h5 Qxd4 19. Rxd4 g5 20. h6 Ra7 21. g3 Rc7 22. Kd2
Ne5 23. Ke2 a4 24. Bc2 a3 25. f4 Nd7 26. bxa3 Rxc3 27. Bd3 Rxa3 28. Bxb5 Rxa2+ 29.
Kf3 Nc5 30. Re1 Ra3+ 31. Kg2 Rb8 32. Rxe7 Kf8 33. Rc7 Rxb5 34. fxg5 Rb7 35. g6 fxg6
36. Rf4+ Ke8 37. Rc8+ Kd7 38. Rh8 Kc7 39. Rxh7+ Kb6 40. Rb4+ Ka7 41. Rhxb7+ Nxb7
42. h7 Ra2+ 43. Kh3 Ra1 44. Rh4 g5 45. h8=Q gxh4 46. Qxa1+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "14"]
[White "Parijos De Melo, Luiz Claudio"]
[Black "Moritani, Sho"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1751"]
[BlackElo "1914"]
[PlyCount "63"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 Qc7 6. O-O d6 7. Rd1 Be7 8. c3 O-O
9. Na3 a6 10. d4 b5 11. e5 dxe5 12. dxe5 Nd7 13. Bf4 Bb7 14. c4 b4 15. Nc2 Rfd8 16.
h4 Nf8 17. h5 h6 18. Rac1 a5 19. Ne3 Nd4 20. Nxd4 cxd4 21. Nd5 exd5 22. cxd5 Qb6
23. d6 Bxd6 24. Bxb7 Qxb7 25. exd6 Ne6 26. Be5 Qd5 27. f4 f6 28. Bxf6 Qxd6 29. Bxd8
Rxd8 30. Qc4 Kh8 31. Qc6 Qe7 32. Re1  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "15"]
[White "Ikejiri, Daniel Yoshito"]
[Black "Jiang, Lucas Zirui"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1910"]
[BlackElo "1710"]
[PlyCount "51"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Nf3 O-O 8. Bd3 Nc6
9. O-O dxc4 10. Bxc4 Nb4 11. a3 Nbd5 12. Qd3 b6 13. Rfe1 Bb7 14. Bb3 Rc8 15. Ne5
h6 16. Bxf6 Nxf6 17. Rad1 Bd6 18. Qh3 Kh8 19. Re3 Bd5 20. Bc2 Qc7 21. Bb1 Bb3 22.
Rde1 Nd5 23. Nb5 Qc1 24. Nxd6 Nxe3 25. Qxe3 Qxe3 26. fxe3  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "16"]
[White "De Paula, Bruno Cesar Lima"]
[Black "Feller, Gabriela Luisa Vicente"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1650"]
[BlackElo "1897"]
[PlyCount "52"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bg4 7. Be2 Bd6 8.
c4 O-O 9. Qb3 Qe7 10. O-O Re8 11. Be3 Nd7 12. c5 Bc7 13. Qxb7 Nxc5 14. Qxc6 Ne4 15.
h3 Rac8 16. hxg4 Bh2+ 17. Nxh2 Rxc6 18. Bb5 Rc2 19. Bxe8 Qxe8 20. b3 Ng3 21. Rfe1
Ne2+ 22. Kh1 Qd7 23. a4 g6 24. Rad1 Kg7 25. Bd2 Nc3 26. Bxc3 Rxc3  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "1"]
[Board "17"]
[White "Caris, Eduardo"]
[Black "Eto, Fabio Luis"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1887"]
[BlackElo "1619"]
[PlyCount "82"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 c6 2. g3 d5 3. cxd5 cxd5 4. Bg2 Nf6 5. d4 Nc6 6. Nc3 Bf5 7. Nf3 e6 8. a3 Bd6
9. Bg5 h6 10. Bxf6 Qxf6 11. Nb5 Bb8 12. O-O O-O 13. Re1 Rd8 14. b4 g5 15. e3 a6 16.
Nc3 Bc7 17. Rc1 Rac8 18. Na4 Qe7 19. Nc5 Bd6 20. Qa4 Na7 21. Bf1 Rc7 22. Bxa6 Bxc5
23. dxc5 bxa6 24. Qxa6 Rc6 25. Qa4 Qb7 26. Nd4 Ra6 27. Qb3 Rb8 28. Red1 Bg4 29. Rd2
Nb5 30. a4 Nxd4 31. Rxd4 Bf3 32. b5 e5 33. Rb4 Qd7 34. Qd3 e4 35. Qf1 Raa8 36. Rd4
Qe6 37. c6 Rc8 38. h3 h5 39. Kh2 Kg7 40. Rc5 h4 41. g4 Qd6+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "1"]
[White "Komatu, Felipe Karczewski"]
[Black "Brandao, Renan Alves"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1766"]
[BlackElo "2095"]
[PlyCount "124"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 Bg7 5. Bg2 c5 6. Nge2 Nc6 7. O-O O-O 8. d3 a6
9. h3 Rb8 10. Be3 b5 11. Qd2 Ne8 12. Rac1 bxc4 13. dxc4 Ne5 14. b3 Bxh3 15. f3 Bxg2
16. Kxg2 h5 17. Rcd1 Nf6 18. Nd5 Nc6 19. Nec3 Nb4 20. Nxb4 cxb4 21. Nd5 a5 22. Nxf6+
Bxf6 23. Bh6 Re8 24. Qd5 Rc8 25. Be3 Qc7 26. g4 hxg4 27. fxg4 Qc6 28. g5 Qxd5 29.
Rxd5 Be5 30. Rxa5 Ra8 31. Rxa8 Rxa8 32. Rf2 Ra5 33. Rc2 Bc3 34. Kf3 Kf8 35. Kf4 Ke8
36. Bc1 f6 37. gxf6 Bxf6 38. Bd2 Bg5+ 39. Kf3 Bxd2 40. Rxd2 Kf7 41. Kf4 Kf6 42. Rg2
Rh5 43. Rd2 Rh4+ 44. Kf3 Ke6 45. Rd5 Rh5 46. Rd2 Ke5 47. Rd5+ Kf6 48. Rd2 Rh3+ 49.
Kg4 Rh1 50. Rd5 Rh5 51. Rb5 Rh2 52. Rxb4 Rxa2 53. Rb5 Rc2 54. Kf4 Rc3 55. Kg4 Re3
56. Kf4 Rc3 57. Kg4 g5 58. Rf5+ Ke6 59. Kxg5 Rxb3 60. c5 dxc5 61. Rxc5 Rf3 62. Rf5
Re3  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "2"]
[White "Cordeiro, Marco Aurelio Zaror"]
[Black "Hopka, Matheus Marchesi"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2079"]
[BlackElo "1936"]
[PlyCount "117"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. e3 c6 7. Nge2 e5 8. O-O Qc7
9. b4 Nbd7 10. Qb3 Rd8 11. a4 a5 12. b5 Rb8 13. Rb1 Re8 14. Ba3 c5 15. b6 Qd8 16.
Rfd1 Qe7 17. Rd2 Ra8 18. Rbd1 Ra6 19. dxc5 dxc5 20. Rd6 Bf8 21. Nb5 Rxb6 22. Rxb6
Nxb6 23. Nd6 Rd8 24. Bxc5 Nbd7 25. Ba3 Qe6 26. Nc3 b6 27. Nxc8 Rxc8 28. Bxf8 Kxf8
29. Nd5 e4 30. Rd4 Nxd5 31. cxd5 Rc1+ 32. Bf1 Qd6 33. Qb2 Rc5 34. Rxe4 Qf6 35. Rd4
Ne5 36. Bg2 Kg8 37. d6 Nc4 38. Qb1 Nxd6 39. Qxb6 Rc1+ 40. Bf1 Ne4 41. Qb8+ Kg7 42.
Rxe4 Rc5 43. Qb1 Rd5 44. Rf4 Qd6 45. Rd4 Rxd4 46. Qb2 f6 47. Qxd4 Qc6 48. Qa7+ Kh6
49. Qxa5 Qf3 50. Qb4 g5 51. a5 Kg6 52. a6 f5 53. Qb7 g4 54. Qxf3 gxf3 55. a7 f4 56.
exf4 Kh5 57. a8=Q h6 58. Qe8+ Kg4 59. Qg6#  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "3"]
[White "Eto, Fabio Luis"]
[Black "Lima, Stefan Moisei Vieira"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1619"]
[BlackElo "2061"]
[PlyCount "52"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7
9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 b4 13. Ne2 Ne8 14. Ng3 a5 15. Kb1 Nc7
16. h4 a4 17. Nc1 d5 18. exd5 Nxd5 19. Bh3 a3 20. Nb3 axb2 21. Kxb2 N7b6 22. Bxb6
Qxb6 23. Bf5 Rxa2+ 24. Kxa2 Qa6+ 25. Kb1 Nc3+ 26. Kc1 Qa3#  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "4"]
[White "Piekarski, Atila Balzer"]
[Black "Ikejiri, Daniel Yoshito"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2055"]
[BlackElo "1910"]
[PlyCount "84"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3
b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 O-O 13. a4 bxa4 14. Rxa4 a5 15. h4
Bh6 16. g4 Bf4 17. Qf3 Bd7 18. Ra2 Rb8 19. Bc4 Qc8 20. Nce3 Bxe3 21. Nxe3 Be6 22.
Bd5 Ne7 23. h5 Nxd5 24. exd5 Bd7 25. h6 f5 26. hxg7 Rf7 27. Qh3 Rxg7 28. gxf5 Qf8
29. Qh5 a4 30. f3 Kh8 31. Kd1 Qe7 32. Ng4 Rg5 33. Qh4 Bxf5 34. Rxa4 e4 35. Ra7 Qxa7
36. Qxg5 Qa1+ 37. Qc1 Qa4+ 38. Qc2 Qxc2+ 39. Kxc2 exf3+ 40. Kc1 Bxg4 41. b4 h5 42.
Kd2 Kg7  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "5"]
[White "Teixeira, Felipe Augusto Cassim"]
[Black "Fonseca Rodrigues, Edson"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1473"]
[BlackElo "2046"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. Bc4 Nc6 5. a4 e6 6. O-O Nge7 7. Re1 O-O 8. d3 d5
9. exd5 exd5 10. Bb3 h6 11. Ne2 Bg4 12. h3 Bxf3 13. gxf3 Qd7 14. Kh2 Ne5 15. Ng1
Nf5 16. f4 Nc6 17. c3 Rfe8 18. Bd2 Rxe1 19. Bxe1 Qd6 20. Bd2 Rd8 21. Nf3 d4 22. Bc2
dxc3 23. bxc3 Nfe7 24. Qg1 Nd5 25. Qg3 Nxc3 26. Re1 Nb4 27. Bb3 Nxd3 28. Rg1 Ne2
29. Qxg6 Qxg6 30. Rxg6 Kf8 31. Rg2 Ndxf4 32. Rg4 Rd3 33. Bxf4 Nxf4 34. Bxf7 Rxf3
35. Bc4 Nh5 36. Kg2 Rf4 37. Rxf4+ Nxf4+ 38. Kg3 Ng6 39. f4 Ke7 40. Kg4 Kd6 41. Kf5
Ne7+ 42. Ke4 a6 43. h4 Kc6 44. Bf7 b5 45. axb5+ axb5 46. Be8+ Kb6 47. f5 c4  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "6"]
[White "Nascimento, Daniel Rojas"]
[Black "De Souza Monteiro, Marcos Paulo"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1992"]
[BlackElo "1842"]
[PlyCount "99"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. c4 Nc6 5. O-O e6 6. cxd5 exd5 7. d4 cxd4 8. Nxd4
Qb6 9. Nb3 Be6 10. Nc3 Rd8 11. Na4 Qb4 12. Nc3 Be7 13. Bd2 Qg4 14. e3 Qg6 15. Nb5
O-O 16. N5d4 Bd7 17. Nxc6 bxc6 18. Rc1 Rb8 19. Bc3 Rfc8 20. Bd4 Bg4 21. Bf3 Bh3 22.
Re1 Bb4 23. Re2 Ne4 24. a3 Bd6 25. Nc5 Nxc5 26. Bxc5 Bxc5 27. Rxc5 Qf6 28. Rcc2 Rxb2
29. Bg2 Rxc2 30. Rxc2 Bxg2 31. Kxg2 Qe6 32. Qd4 Qe4+ 33. Qxe4 dxe4 34. Rc5 Kf8 35.
g4 f6 36. Kg3 g5 37. h4 h6 38. hxg5 hxg5 39. f4 exf3 40. Kxf3 Ke7 41. Ke4 Kd6 42.
Ra5 Rc7 43. Kf5 Ke7 44. Rc5 Kd6 45. Rc4 Re7 46. e4 Re5+ 47. Kxf6 Ra5 48. e5+ Kd7
49. e6+ Kd6 50. Rd4+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "7"]
[White "Lutz, Igor Oscar"]
[Black "Vieira, Paulo Cesar"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1969"]
[BlackElo "1762"]
[PlyCount "157"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Nbd7 8. Qc2 c6
9. Rd1 Qe7 10. O-O Ng4 11. Bg5 f6 12. Bh4 g5 13. Bg3 Nb6 14. h3 Nh6 15. dxe5 dxe5
16. Rd2 Be6 17. b3 Nf7 18. Nh2 Rad8 19. Rfd1 Rxd2 20. Rxd2 Rd8 21. Bg4 Rxd2 22. Qxd2
Nd8 23. Ne2 Qd7 24. Qxd7 Nxd7 25. Bxe6+ Nxe6 26. Ng4 Ndc5 27. f3 Nd3 28. Ne3 Bf8
29. Nf5 Bc5+ 30. Kf1 h5 31. Be1 Nef4 32. Bd2 Ne6 33. Neg3 h4 34. Nh5 Kf7 35. Ke2
Nb4 36. a3 Nc2 37. b4 Bf8 38. Bc1 a5 39. Kd1 Na1 40. Bb2 Nb3 41. Kc2 a4 42. c5 Nbd4+
43. Nxd4 exd4 44. Kd3 Kg6 45. g4 hxg3 46. Nxg3 Nf4+ 47. Kxd4 Nxh3 48. Bc1 Kf7 49.
Be3 Ke6 50. Ne2 Be7 51. Nc3 f5 52. exf5+ Kxf5 53. Nxa4 Nf4 54. Nb6 Bf6+ 55. Kc4 Ng2
56. Kd3 Ne1+ 57. Ke2 Nc2 58. Nc4 Be7 59. Bc1 Ke6 60. Bb2 Kd5 61. Nb6+ Ke6 62. Kd2
Kf5 63. Kxc2 Kf4 64. Nc8 Bd8 65. Bd4 Kxf3 66. Nd6 g4 67. Nf7 Bh4 68. Nh6 Ke4 69.
Bg1 g3 70. Nf7 Kf3 71. Ne5+ Ke2 72. Nd3 Bg5 73. a4 Kf1 74. Bd4 g2 75. Kd1 Bf6 76.
Be3 Bg5 77. Bd4 Bf6 78. Bf2 Bh4 79. Bd4  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "8"]
[White "Feller, Gabriela Luisa Vicente"]
[Black "Parijos De Melo, Luiz Claudio"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1897"]
[BlackElo "1751"]
[PlyCount "81"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bf4 g5 9.
Bxg5 Nxe4 10. Bf4 Bg7 11. Qe2 O-O 12. Qxe4 Bxb2 13. Rb1 Rxa2 14. Bc4 Ra1 15. Rxa1
Bxa1 16. Nf3 f5 17. Qe3 Nd7 18. Ng5 Qe8 19. Nc7 Bc3+ 20. Kd1 Qg6 21. Qxe7 Bf6 22.
Qxd6 h6 23. Nf3 Kh7 24. g3 Rf7 25. Re1 b3 26. Bxb3 Qg4 27. Re3 Nf8 28. Ne8 Bg7 29.
Nxg7 Qxg7 30. Be5 Qg4 31. Qxc5 Nd7 32. Qxc8 Nxe5 33. Qe8 Qh3 34. Rxe5 Qf1+ 35. Ne1
Rg7 36. Re7 Qxf2 37. Rxg7+ Kxg7 38. Qe5+ Kg6 39. d6 Qxh2 40. Be6 Kg5 41. Nf3+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "9"]
[White "Pavao, Fabio Biasi"]
[Black "Sekula, Markley Ribas"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1790"]
[BlackElo "2015"]
[PlyCount "41"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c5 7. cxd5 exd5 8. d4 Ne4
9. dxc5 Bf6 10. Nd4 Nxc5 11. Bb2 Ne6 12. Na3 Nc6 13. Nac2 Nexd4 14. Nxd4 Be6 15.
Qd2 Ne7 16. Rac1 Qd7 17. Nf3 Bxb2 18. Qxb2 Rac8 19. Rxc8 Rxc8 20. Rc1 Rxc1+ 21. Qxc1
 1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "10"]
[White "Cardozo, Matheus Santos"]
[Black "Oliveira, Tiago Batista"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1822"]
[BlackElo "1991"]
[PlyCount "55"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O d5 6. c4 Be7 7. b3 O-O 8. Bb2 Nbd7
9. Nc3 c6 10. Nd2 Qc7 11. e4 dxe4 12. Ndxe4 Rad8 13. Qe2 Nxe4 14. Nxe4 Nf6 15. Rfd1
Rd7 16. Rac1 Rfd8 17. Rd2 Nxe4 18. Bxe4 Bf6 19. Rcd1 Rd6 20. Bc3 a5 21. Qf3 R8d7
22. c5 bxc5 23. dxc5 Rxd2 24. Rxd2 Rxd2 25. Bxd2 Qe5 26. Bxc6 Ba6 27. Bb5 Bc8 28.
Qa8  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "11"]
[White "Santos, Isaque Goncalves"]
[Black "De Paula, Bruno Cesar Lima"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2021"]
[BlackElo "1650"]
[PlyCount "65"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. g4 fxg4 6. h3 g3 7. fxg3 Nf6 8. Nf3 Bb4 9.
Bd3 O-O 10. Qc2 dxc4 11. Bxc4 Nd5 12. O-O Bxc3 13. bxc3 e5 14. Kg2 Kh8 15. Nxe5 Bxh3+
16. Kxh3 Rxf1 17. Bxf1 Qf6 18. Kg2 Na6 19. Bxa6 bxa6 20. Qf2 Qxf2+ 21. Kxf2 Nxc3
22. Ba3 Rb8 23. Nxc6 Rb6 24. Ne5 Rf6+ 25. Kg2 Nd5 26. Re1 h5 27. e4 Nb6 28. d5 Nc8
29. d6 Nb6 30. d7 Nxd7 31. Nxd7 Rc6 32. Nc5 Rg6 33. Rh1  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "12"]
[White "Goussain, Blaha"]
[Black "Soares, Renan Barbosa Monteiro"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1872"]
[BlackElo "1960"]
[PlyCount "115"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 Bg7 8. g3 O-O
9. Bg2 d6 10. O-O Nbd7 11. Rb1 Qa5 12. Bd2 Rfb8 13. Qc2 Ng4 14. b3 Qc7 15. Rfe1 Bb7
16. e4 Ba6 17. Bf1 Nde5 18. Nxe5 Nxe5 19. Kg2 Qc8 20. f4 Bxf1+ 21. Rxf1 Ng4 22. h3
Nf6 23. a4 Rb4 24. Rfe1 Qb7 25. Nb5 Rxb5 26. axb5 Qxb5 27. Qc4 Qb7 28. Bc3 Ra2+ 29.
Re2 Qa8 30. Bxf6 Bxf6 31. b4 Rxe2+ 32. Qxe2 cxb4 33. Rxb4 Qa1 34. Qc2 Qe1 35. Rb1
Qe3 36. Rd1 Bd4 37. Kh2 h5 38. Qd2 Bc5 39. Qxe3 Bxe3 40. Rd3 Bc5 41. Kg2 Kg7 42.
Kf3 Kf6 43. Rd1 e5 44. dxe6 fxe6 45. Rc1 Bb4 46. Rc4 Ba3 47. Rc7 g5 48. Rh7 Kg6 49.
Rh8 gxf4 50. gxf4 Bb2 51. Rg8+ Kf7 52. Rg5 h4 53. Kg4 Bf6 54. Kxh4 d5 55. exd5 exd5
56. Kg4 Bxg5 57. fxg5 Ke6 58. Kf3  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "13"]
[White "Castro Silva, Alex"]
[Black "Cincinato, Thalita Ariane C."]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1955"]
[BlackElo "1854"]
[PlyCount "44"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bg5 Qc7 8. Bxf6
Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 gxf6 11. Bc4 Nc6 12. O-O Rg8 13. Qh5 Rg7 14. Qh6 Kf8
15. Rab1 b5 16. Rb3 Qxc2 17. Rg3 bxc4 18. Rxg7 Ke7 19. Qe3 d6 20. Nb1 Nd4 21. Nc3
Qxc3 22. Qh6 Be6  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "14"]
[White "Moritani, Sho"]
[Black "Van Riemsdijk, Dirk D."]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1914"]
[BlackElo "1817"]
[PlyCount "73"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 e6 5. Be2 Be7 6. O-O O-O 7. c4 Nb6 8. Nc3 dxe5
9. Nxe5 N8d7 10. Bf4 f6 11. Nxd7 Bxd7 12. c5 Nd5 13. Nxd5 exd5 14. Qb3 Bc6 15. Qg3
Qd7 16. Bxc7 Rae8 17. Bd3 Bb5 18. Bf4 b6 19. b4 g5 20. Bd2 Bd8 21. Bxb5 Qxb5 22.
Qb3 Qc4 23. Qxc4 dxc4 24. Rfe1 Kf7 25. Kf1 Bc7 26. Rac1 b5 27. d5 Be5 28. d6 Ke6
29. Bc3 Kd7 30. Bxe5 fxe5 31. a4 bxa4 32. Rxc4 Kc6 33. Rec1 Rf4 34. Rxf4 exf4 35.
b5+ Kd5 36. d7 Rd8 37. c6  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "15"]
[White "Fernandes, Felipe Gambini"]
[Black "Caris, Eduardo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1850"]
[BlackElo "1887"]
[PlyCount "87"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Ne2
Re8 9. O-O h5 10. Bf4 h4 11. h3 Qc7 12. Bxd6 Qxd6 13. Qd2 Nd7 14. Rfe1 Nf8 15. c4
Bd7 16. Nc3 Ne6 17. d5 Qf4 18. Qxf4 Nxf4 19. Be4 f5 20. dxc6 Bxc6 21. Bxc6 bxc6 22.
Kf1 Kf8 23. Rxe8+ Rxe8 24. Rd1 Ke7 25. Ne2 Nxe2 26. Kxe2 Kf6+ 27. Kf3 g5 28. Rd3
Re6 29. Rd7 Re7 30. Rxe7 Kxe7 31. b4 Kd6 32. Ke3 Ke5 33. Kd3 g4 34. b5 f4 35. f3
f5 36. bxc6 Kd6 37. Kd4 a5 38. c7 Kxc7 39. Kc5 a4 40. a3 g3 41. Kb5 Kd6 42. c5+ Kd5
43. c6 Kd4 44. c7  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "16"]
[White "Moyses Sobrinho, Elias"]
[Black "Da Cunha, Gabriela Goes"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1880"]
[BlackElo "1772"]
[PlyCount "114"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bf4 Bf5 7. Nf3 e6 8. c3
Bd6 9. Bh6 Nd7 10. Bd3 Bg6 11. O-O Qc7 12. g3 O-O-O 13. b4 f5 14. Qc1 Rhg8 15. Nh4
Bh5 16. f4 Be7 17. Bg5 Nb6 18. Bxe7 Qxe7 19. Nf3 Bxf3 20. Rxf3 h5 21. Qe1 Qf6 22.
Qe5 Qxe5 23. fxe5 Nd5 24. Bc4 h4 25. Bxd5 cxd5 26. Kf2 h3 27. Rf4 Rg4 28. Rxg4 fxg4
29. Ke3 Rg8 30. Rf1 Rg7 31. Rf6 Kd7 32. Kf4 Ke7 33. Rh6 Rg8 34. Ke3 b5 35. Rh4 Rc8
36. Kd3 Rg8 37. Rh7 Rg5 38. Rh4 Rf5 39. Rxg4 Rf2 40. Rh4 Rxh2 41. g4 Rh1 42. Ke2
Kf8 43. Kf2 Kg7 44. a3 h2 45. Kg2 Rc1 46. Rxh2 Rc2+ 47. Kg1 Rxc3 48. Ra2 Rd3 49.
Kf2 Rxd4 50. Kf3 Re4 51. Rc2 Rc4 52. Ra2 Kg6 53. a4 bxa4 54. Rxa4 a5 55. Rxa5 Rxb4
56. Ra8 Kg7 57. Rd8 Re4  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.08"]
[Round "2"]
[Board "17"]
[White "Tumenas, Douglas"]
[Black "Baptista, Andre Kemper"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1758"]
[BlackElo "1874"]
[PlyCount "59"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. h3 d6 5. e3 Nbd7 6. Be2 c5 7. c3 O-O 8. O-O cxd4
9. exd4 b6 10. Nbd2 Bb7 11. Re1 Re8 12. Bc4 d5 13. Bd3 Rc8 14. a4 Nh5 15. Bh2 Bh6
16. Ne5 Nxe5 17. Bxe5 Bg7 18. Bb5 Rf8 19. Bh2 a6 20. Bd3 e6 21. Qe2 Ra8 22. a5 b5
23. Nb3 Qg5 24. Nc5 Bc6 25. Nxe6 fxe6 26. Qxe6+ Kh8 27. Qxc6 Nf4 28. Bxf4 Qxf4 29.
Re2 Bf6 30. Qxd5  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "1"]
[White "Fonseca Rodrigues, Edson"]
[Black "Cordeiro, Marco Aurelio Zaror"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2046"]
[BlackElo "2079"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 dxe4 5. Nxe4 Nf6 6. Bb5+ Bd7 7. Qe2 Nc6 8. b3
a6 9. Bxc6 Bxc6 10. d3 Be7 11. O-O O-O 12. Bb2 b6 13. Ne5 Bb7 14. g4 Ne8 15. g5 f6
16. gxf6 gxf6 17. Ng4 Ng7 18. Ng5 Kh8 19. f5 e5 20. Ne4 Qe8 21. Ng3 Bd8 22. Qe3 Qc6
23. Ne4 Ne8 24. h3 Qd7 25. Kh2 Ra7 26. Rf2 Qe7 27. Rg1 Bxe4 28. dxe4 Qd6 29. Rd2
Qb8 30. Qh6 Rg7 31. Rd7 Rgf7 32. Rgd1 Ng7 33. R1d6 Be7 34. Rxe7 Rxe7 35. Nxf6 Nxf5
36. exf5 e4 37. Nd7+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "2"]
[White "Lima, Stefan Moisei Vieira"]
[Black "Nascimento, Daniel Rojas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2061"]
[BlackElo "1992"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. O-O g6 7. d4 cxd4 8. Nxd4
Bg7 9. Be3 Nf6 10. f3 O-O 11. Nc3 Rac8 12. b3 a6 13. Nxc6 bxc6 14. Qd2 Qb7 15. Rac1
Rfd8 16. Rfd1 Nd7 17. h3 a5 18. Na4 c5 19. Qxa5 Ra8 20. Qd2 Ne5 21. Nxc5 Qc8 22.
Na4 Qa6 23. Kh1 Rdc8 24. Nb6  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "3"]
[White "Ikejiri, Daniel Yoshito"]
[Black "Lutz, Igor Oscar"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1910"]
[BlackElo "1969"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Be7 7. Qd2 O-O 8. f3 Nc6
9. O-O-O Nxd4 10. Qxd4 Qa5 11. Be3 a6 12. Kb1 b5 13. Qb6 Qxb6 14. Bxb6 Bb7 15. a3
d5 16. e5 Nd7 17. Bd4 Rac8 18. Bd3 b4 19. axb4 Bxb4 20. Ne2 Nc5 21. c3 Nxd3 22. Rxd3
Be7 23. Bf2 a5 24. Nd4 Ba6 25. Rdd1 Rc7 26. Kc2 a4 27. Kd2 Rb8 28. Rb1 Rcb7 29. b4
axb3 30. Nc6 Bg5+ 31. Be3 Bxe3+ 32. Kxe3 Rc8 33. Nd4 Rxc3+ 34. Kf2 b2 35. Rhd1 Bd3
36. Ne2 Bxb1 37. Nxc3 Bc2  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "4"]
[White "Brandao, Renan Alves"]
[Black "Cardozo, Matheus Santos"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2095"]
[BlackElo "1822"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7
9. Ne1 Nd7 10. Nd3 f5 11. f3 f4 12. Bd2 g5 13. b4 Rf7 14. c5 Bf8 15. Rc1 Nf6 16.
Nf2 Rg7 17. cxd6 cxd6 18. Nb5 Ng6 19. Qc2 Ne8 20. a4 a6 21. Na3 h5 22. Nc4 Nh8 23.
a5 Bd7 24. Nb6 Rb8 25. h3 Nf7 26. Nxd7 Qxd7 27. Qc4 Nh6 28. b5 axb5 29. Qxb5 Qxb5
30. Bxb5 Nc7 31. Be2 Na6 32. Nd3 g4 33. Kh2 Be7 34. Rc2 Kh7 35. Rb1 Bh4 36. Rb6 Bg3+
37. Kh1 gxh3 38. gxh3 Rbg8 39. Rxd6 Bh2 40. Rc1 Bg1 41. Nxe5 Rg2 42. Rxh6+ Kxh6 43.
Ng4+ hxg4 44. Bxf4+ Kh7 45. Kxg2 gxh3+ 46. Kxh3 Nc5 47. Bd6 Nb3 48. Rb1 Nxa5 49.
Bc7 b6 50. e5 Be3 51. Bd3+ Kh6 52. e6 Kg5 53. Bxb6 Rh8+ 54. Kg2 Bf4 55. Bxa5 Rh2+
56. Kg1 Kh4 57. Be1+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "5"]
[White "Vieira, Paulo Cesar"]
[Black "Feller, Gabriela Luisa Vicente"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1762"]
[BlackElo "1897"]
[PlyCount "70"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. c5 O-O 8. Bf4 b6
9. b4 a5 10. Na4 Nbd7 11. a3 axb4 12. axb4 bxc5 13. bxc5 Nh5 14. Be3 Qc7 15. Bd3
e5 16. Bxh7+ Kxh7 17. Nxe5 Nhf6 18. Nd3 Qa5+ 19. Bd2 Qb5 20. Nab2 Rxa1 21. Qxa1 Ne4
22. Qa5 Qxa5 23. Bxa5 Bf6 24. f3 Ng5 25. Bc3 Ne6 26. c6 Nb8 27. Nc5 Nxd4 28. Bxd4
Bxd4 29. Ncd3 Bf5 30. Kd2 Rc8 31. Rc1 Bb6 32. g4 Be6 33. h3 Ba5+ 34. Ke3 f6 35. f4
Bb6+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "6"]
[White "Piekarski, Atila Balzer"]
[Black "Komatu, Felipe Karczewski"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2055"]
[BlackElo "1766"]
[PlyCount "78"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 a6 8. Bf4 d5
9. exd5 exd5 10. Qf3 Bg4 11. Nxd5 Nxd5 12. Qxg4 Bb4+ 13. Bd2 Bxd2+ 14. Nxd2 Qxb2
15. Qe4+ Kf8 16. Rb1 Qc3 17. Qc4 Re8+ 18. Kd1 Qxc4 19. Bxc4 Nc3+ 20. Kc1 Nxb1 21.
Nxb1 g6 22. Nc3 Kg7 23. g4 Ne5 24. Be2 Rc8 25. Ne4 Rc7 26. g5 Rhc8 27. c3 Nc4 28.
Bxc4 Rxc4 29. f3 Rxc3+ 30. Nxc3 Rxc3+ 31. Kb2 Rxf3 32. h4 b5 33. h5 gxh5 34. Rxh5
Rf5 35. Kb3 a5 36. Kc3 Rf3+ 37. Kb2 b4 38. a4 Kg6 39. Rh6+ Kxg5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "8"]
[White "Sekula, Markley Ribas"]
[Black "Tumenas, Douglas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2015"]
[BlackElo "1758"]
[PlyCount "64"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. d3
Qd6 9. Nd2 b5 10. Nb3 Be7 11. Be3 Nd7 12. Qg3 Qg6 13. Qxg6 hxg6 14. d4 O-O 15. c3
f5 16. f3 Bd6 17. Rfe1 Rae8 18. dxe5 Nxe5 19. Bc5 Nd3 20. Bxd6 cxd6 21. Red1 fxe4
22. fxe4 Nxb2 23. Rxd6 Rf6 24. Rxf6 gxf6 25. Nc5 Kf7 26. Rb1 Nc4 27. a4 Re5 28. Nxa6
Nd2 29. Rb4 bxa4 30. Rxa4 Nxe4 31. Nb4 Nxc3 32. Ra7+ Re7  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "9"]
[White "Hopka, Matheus Marchesi"]
[Black "Pavao, Fabio Biasi"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1936"]
[BlackElo "1790"]
[PlyCount "64"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg7 6. Be2 cxd4 7. cxd4 Nf6 8. O-O
O-O 9. Nc3 Qa5 10. h3 Nc6 11. Be3 Be6 12. a3 Nd5 13. Qd2 Nxe3 14. Qxe3 Rad8 15. b4
Qb6 16. Na4 Qc7 17. Rfd1 b6 18. Rd2 Qb7 19. Rad1 Bd5 20. Nc3 e6 21. Nxd5 exd5 22.
Rc2 Ne7 23. Bd3 Rc8 24. Rdc1 Rxc2 25. Rxc2 Qd7 26. Ne5 Qb7 27. Qd2 Rc8 28. g3 Rxc2
29. Qxc2 Qc8 30. Qxc8+ Nxc8 31. Nc6 Kf8 32. Kf1 Ne7  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "10"]
[White "De Souza Monteiro, Marcos Paulo"]
[Black "Moritani, Sho"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1842"]
[BlackElo "1914"]
[PlyCount "67"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 b6 6. Bd3 Bb7 7. Nf3 O-O 8. O-O
d6 9. Qc2 Nbd7 10. e4 e5 11. Ba3 Re8 12. Rae1 c5 13. d5 Nf8 14. Bc1 Bc8 15. h3 Ng6
16. Kh2 Qd7 17. Ng1 a6 18. f4 exf4 19. Bxf4 Nxf4 20. Rxf4 Qe7 21. Ref1 Nh5 22. R4f3
Qe5+ 23. g3 Ra7 24. Qf2 Nf6 25. Qb2 Rb7 26. Re3 h6 27. Kg2 Qg5 28. Qe2 Qe5 29. Nf3
Qe7 30. e5 dxe5 31. Rxe5 Qd8 32. Re1 Rxe5 33. Nxe5 Re7 34. Qf2  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "11"]
[White "Parijos De Melo, Luiz Claudio"]
[Black "Goussain, Blaha"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1751"]
[BlackElo "1872"]
[PlyCount "74"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. Nd2 e6 8. Ne2 Ne7
9. O-O Nf5 10. Nf3 Qa6 11. Qb3 Be7 12. Re1 Nd7 13. Bg5 Qb6 14. Bxe7 Qxb3 15. axb3
Kxe7 16. Nf4 a6 17. Rad1 g6 18. g3 a5 19. c4 a4 20. cxd5 cxd5 21. Rd3 Rhc8 22. bxa4
Rxa4 23. Rb3 b6 24. Rd1 Rcc4 25. Rbd3 Rab4 26. R1d2 Rc1+ 27. Kg2 Rb1 28. Rc2 R1xb2
29. Rc1 Ra4 30. Rdc3 Rbb4 31. Rc7 Rc4 32. R1xc4 Rxc4 33. Ra7 Nxd4 34. Nd3 Nxf3 35.
Kxf3 Kd8 36. Ke3 Rc7 37. Ra8+ Ke7  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "12"]
[White "Cincinato, Thalita Ariane C."]
[Black "Teixeira, Felipe Augusto Cassim"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1854"]
[BlackElo "1473"]
[PlyCount "95"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. b3 d6 6. Bb2 c6 7. Nf3 Nbd7 8. h4 e5
9. e4 a5 10. d4 Qc7 11. d5 Nb6 12. Ng5 h6 13. Nh3 Bd7 14. Qd2 a4 15. dxc6 Bxc6 16.
O-O axb3 17. axb3 Rxa1 18. Rxa1 Nfd7 19. Rd1 Nc5 20. Qc2 f5 21. Nd5 Bxd5 22. exd5
Ncd7 23. Qc3 Nf6 24. Qb4 Nbd7 25. Ra1 b6 26. Qb5 Rc8 27. Bf1 Ne4 28. Kg2 Qd8 29.
Ra7 Rc7 30. Rxc7 Qxc7 31. Qc6 Qa7 32. Qc8+ Kf7 33. h5 g5 34. Bd3 g4 35. Ng1 Kf6 36.
Qd8+ Kf7 37. Bxe4 fxe4 38. Ba3 Bf8 39. Ne2 Qxa3 40. Qxd7+ Be7 41. Qe6+ Ke8 42. Qxg4
Qxb3 43. Qxe4 Bf8 44. Nf4 b5 45. cxb5 Qxb5 46. Ne6 Qb7 47. Qg6+ Qf7 48. Nxf8  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "13"]
[White "Jiang, Lucas Zirui"]
[Black "Fernandes, Felipe Gambini"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1710"]
[BlackElo "1850"]
[PlyCount "70"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 e6 7. e3 Bb4 8. Bb5 O-O
9. O-O Bd7 10. Rc1 Rc8 11. Qb3 Bxc3 12. Rxc3 Ne4 13. Rcc1 g5 14. Bg3 g4 15. Bh4 Qb6
16. Bxc6 Qxb3 17. axb3 Bxc6 18. Ne5 h5 19. Nxc6 bxc6 20. Rc2 f5 21. Rfc1 f4 22. f3
Nd6 23. Be7 Nf5 24. Bxf8 Rxf8 25. fxg4 hxg4 26. Rxc6 Re8 27. Rc8 Kf7 28. R1c7+ Re7
29. exf4 Nxd4 30. Kf2 a5 31. Rxe7+ Kxe7 32. Kg3 Nxb3 33. Rc3 a4 34. Kxg4 d4 35. Rxb3
axb3  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "14"]
[White "De Paula, Bruno Cesar Lima"]
[Black "Eto, Fabio Luis"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1650"]
[BlackElo "1619"]
[PlyCount "81"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. Be3 Be7 8. g4 O-O
9. g5 Ne8 10. h4 f6 11. g6 hxg6 12. h5 g5 13. h6 gxh6 14. Bc4 Nxd4 15. Bxd4 Kg7 16.
Qh5 Rh8 17. f4 Nc7 18. O-O-O Qe8 19. Qh2 e5 20. fxe5 dxe5 21. Bxe5 Be6 22. Bxe6 Nxe6
23. Nd5 Bd8 24. Bc3 Qg6 25. Rdf1 Rf8 26. Qd6 Qe8 27. Nxf6 Rxf6 28. Rxh6 Kxh6 29.
Bxf6 Bc7 30. Qd5 Bf4+ 31. Kb1 Ng7 32. Qxb7 Nh5 33. Rh1 Kg6 34. e5 Rb8 35. Qe4+ Kh6
36. a3 Rb5 37. Qe2 Rc5 38. e6 Rc7 39. Qe4 Qg6 40. Qf3 Qxc2+ 41. Ka1  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "15"]
[White "Oliveira, Tiago Batista"]
[Black "Soares, Renan Barbosa Monteiro"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1991"]
[BlackElo "1960"]
[PlyCount "57"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7
9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. Bh3 b4 15. fxe6 Bxg5+
16. Kb1 bxc3 17. Rhg1 Bf6 18. Nf5 Nxe6 19. Nxd6+ Ke7 20. e5 Rb8 21. exf6+ gxf6 22.
b3 Ng5 23. Rxg5 Bxh3 24. Nf5+ Bxf5 25. Rxf5 Rb6 26. Rfd5 Rc8 27. Qd3 Qxh2 28. Rd7+
Ke6 29. Qd5#  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "16"]
[White "Baptista, Andre Kemper"]
[Black "Castro Silva, Alex"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1874"]
[BlackElo "1955"]
[PlyCount "55"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. dxe5 dxe5 6. Bc4 Be7 7. Bb3 O-O 8. O-O
c6 9. h3 Qc7 10. Be3 Nc5 11. Bxc5 Bxc5 12. Qe2 b5 13. Rfd1 a5 14. a4 b4 15. Nb1 Ba6
16. Bc4 Bxc4 17. Qxc4 Qb6 18. Rf1 Rad8 19. Nbd2 Rd7 20. Nb3 Bd6 21. Rad1 Rfd8 22.
Rd2 Bb8 23. Rfd1 Rxd2 24. Rxd2 Rxd2 25. Nfxd2 Ba7 26. Qe2 Nh5 27. Nc4 Ng3 28. Qf3
 1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "3"]
[Board "17"]
[White "Caris, Eduardo"]
[Black "Moyses Sobrinho, Elias"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1887"]
[BlackElo "1880"]
[PlyCount "75"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. g3 d5 3. cxd5 Nxd5 4. Bg2 c6 5. Nf3 g6 6. Nc3 Bg7 7. d4 O-O 8. O-O Nd7
9. e4 Nxc3 10. bxc3 Qa5 11. Qb3 Nb6 12. Ba3 Be6 13. Qb4 Qxb4 14. Bxb4 Rfe8 15. a4
a5 16. Bc5 Nc4 17. Rfb1 Bc8 18. e5 Rb8 19. Bf1 Bg4 20. Bxc4 Bxf3 21. Ba7 Rbc8 22.
Rxb7 c5 23. Rb3 cxd4 24. cxd4 Rxc4 25. Rxf3 e6 26. Rd3 Rd8 27. Rb3 Bf8 28. Rb5 Bb4
29. Bb6 Rd5 30. Ra2 h5 31. h4 Kf8 32. Kf1 Ke7 33. Ke2 Kd7 34. Ba7 Kc6 35. Rb8 Kc7
36. Kd3 Rc3+ 37. Ke4 Rc4 38. Kd3  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "1"]
[White "Fonseca Rodrigues, Edson"]
[Black "Lima, Stefan Moisei Vieira"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2046"]
[BlackElo "2061"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. g3 Bb7 5. Bg2 Nf6 6. d3 e6 7. Qe2 b4 8. e5 Qc7 9.
exf6 bxc3 10. bxc3 gxf6 11. Nf3 f5 12. Bb2 Bg7 13. O-O Nc6 14. Rab1 d6 15. c4 Kf8
16. Bxg7+ Kxg7 17. c3 Ne7 18. h3 Rab8 19. d4 Be4 20. Rbc1 Qb6 21. Qe3 Rhc8 22. Rf2
h6 23. g4 Qc7 24. Nh4 d5 25. Bxe4 dxe4 26. gxf5 exf5 27. Rg2+ Kh7 28. dxc5 Qxc5 29.
Qd4 Qxd4+ 30. cxd4 Nd5 31. Nxf5 Nxf4 32. Rh2 Nd3 33. Rf1 Rxc4 34. Re2 Rg8+ 35. Kh2
Rg5 36. Nd6 Rxd4 37. Nxe4 Rb5 38. Rxf7+ Kg8 39. Rf3 Rb2 40. Nf6+ Kg7 41. Nh5+ Kg6
42. Rxb2 Nxb2 43. Nf4+ Kh7 44. Rf2 Rc4  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "2"]
[White "Feller, Gabriela Luisa Vicente"]
[Black "Brandao, Renan Alves"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "2095"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3
exd5 9. b4 O-O 10. e3 a5 11. b5 Nd7 12. Nxd5 c6 13. Nc3 c5 14. Be2 cxd4 15. Nxd4
Ne5 16. O-O Qh4 17. Rc1 Rd8 18. Qa4 Qh6 19. Nf3 Ng4 20. Rfd1 Be6 21. Nd5 Bxd5 22.
Qxg4 Bxa2 23. Rxd8+ Rxd8 24. Rc8 Bf6 25. Rxd8+ Bxd8 26. Qc8 Qf8 27. Qxb7 Qd6 28.
Qc6 Qxc6 29. bxc6 Kf8 30. Nd4 Bd5 31. Bb5 Ke7 32. f3 Bb6 33. Kf1 Bxd4 34. exd4 Kd6
35. Ke2 Bxc6 36. Bc4 Bd5 37. Bb5 g5 38. g3 f6 39. f4 gxf4 40. gxf4 Bb3 41. Kd3 a4
42. Kc3 Kd5 43. Bd3 h6 44. Bg6 Bd1 45. Kd3 Ke6 46. Kc4 Bb3+ 47. Kc3 Kd6 48. Be4 Bd5
49. Bf5 a3 50. Bd3 Kc6 51. Be2 a2 52. Kb2 Kb6 53. Bd3 Ka5 54. Be2 Kb4 55. Bd3 a1=Q+
56. Kxa1 Kc3 57. Bg6 Kxd4 58. Kb2 Ke3 59. f5 Kf4 60. Kc3 Be4 61. Kd4 Bxf5 62. Bf7
Kg4 63. Ke3 Kh3 64. Kf4 Bd7 65. Bh5 Kxh2 66. Bf3 Kh3 67. Bh5 Kh4 68. Bf3 h5 69. Bg2
Bg4 70. Bf1 Be6 71. Bg2 Bc4 72. Bf3 Be6 73. Bg2 Bh3 74. Bf3 Bg4 75. Bg2 f5 76. Bf1
Bd1 77. Bd3 Bg4 78. Bf1 Bd1 79. Bd3 Kh3 80. Bxf5+ Bg4 81. Be4 Kh2 82. Bg6  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "3"]
[White "Lutz, Igor Oscar"]
[Black "Komatu, Felipe Karczewski"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1969"]
[BlackElo "1766"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Bc4
Nc6 9. Ne2 O-O 10. O-O Qc7 11. Qd2 Rd8 12. Rac1 Qa5 13. Rfd1 cxd4 14. cxd4 Bd7 15.
d5 Qxd2 16. Rxd2 Na5 17. Bd3 e6 18. Bb1 exd5 19. Rxd5 Nc6 20. Rcd1 Be6 21. Rxd8+
Nxd8 22. Nf4 b5 23. Nxe6 Nxe6 24. Rd7 a5 25. Bd3 b4 26. Bc4 a4 27. Rb7 b3 28. f4
b2 0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "4"]
[White "Cordeiro, Marco Aurelio Zaror"]
[Black "Cincinato, Thalita Ariane C."]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2079"]
[BlackElo "1854"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 e5 2. Nc3 Bc5 3. g3 Nf6 4. Bg2 c6 5. e3 O-O 6. d4 exd4 7. exd4 Bb4 8. Nge2
d5 9. cxd5 Nxd5 10. O-O Be6 11. a3 Ba5 12. Ne4 Na6 13. b4 Bc7 14. Bb2 Re8 15. Nc5
Nxc5 16. dxc5 Qg5 17. Nd4 Bg4 18. Qc1 Qh5 19. Qd2 Rad8 20. Rfe1 Nf6 21. Rxe8+ Nxe8
22. Re1 Nf6 23. Qe3 Bd7 24. Nf3 Re8 25. Qd2 Rxe1+ 26. Nxe1 Be5 27. Nd3 Bxb2 28. Nxb2
h6 29. Nc4 Qf5 30. h3 Be6 31. Nd6 Qb1+ 32. Kh2 Bd5 33. Nxb7 Bxg2 34. Kxg2 Qe4+ 35.
Kh2 Nd5 36. Na5 Nf6 37. Qe3 Qd5 38. b5 Ne4 39. Nxc6 Kh8 40. Nb4 Qf5 41. Nd3 h5 42.
c6 Ng5 43. c7 Qxh3+ 44. Kg1 Qg4 45. c8=Q+ Qxc8 46. Qxg5 Qc3 47. Qxh5+ Kg8 48. Qd5
Qxa3 49. Ne5 Qc1+ 50. Kg2 Qc7 51. Qa8+ Kh7 52. Nc6 Qb6 53. Nxa7 f5 54. Qc6 Qxa7 55.
b6 Qb8 56. Qc7 Qe8 57. b7 Qe4+ 58. Kh2 Qf3 59. Qb6 f4 60. b8=Q Qh5+ 61. Kg2 Qd5+
62. f3 Qd2+ 63. Qf2 Qd8  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "5"]
[White "Nascimento, Daniel Rojas"]
[Black "Jiang, Lucas Zirui"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1992"]
[BlackElo "1710"]
[PlyCount "76"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. Nf3 c6 2. g3 d5 3. Bg2 Nf6 4. O-O Bf5 5. d4 Nbd7 6. c4 e6 7. Nbd2 h6 8. b3 Be7
9. Bb2 O-O 10. Ne5 a5 11. a3 Qc7 12. Rc1 Bd6 13. Ndf3 Ne4 14. Nxd7 Qxd7 15. Ne5 Qe7
16. e3 Rfd8 17. f3 Nf6 18. c5 Bc7 19. Qe2 Bh7 20. h4 Nd7 21. Nxd7 Rxd7 22. f4 Rad8
23. Bc3 f6 24. Bh3 Bf5 25. g4 Be4 26. Bg2 e5 27. Bxe4 dxe4 28. f5 exd4 29. Bxd4 Be5
30. Qc4+ Kf8 31. Bxe5 Qxe5 32. Rf4 Qb2 33. Rf2 Rd2 34. Rc2 Rd1+ 35. Kg2 Qb1 36. Kg3
Rg1+ 37. Kf4 Qd1 38. Qe2 Qd5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "6"]
[White "Da Cunha, Gabriela Goes"]
[Black "Ikejiri, Daniel Yoshito"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1772"]
[BlackElo "1910"]
[PlyCount "60"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 c6 6. Nf3 Be7 7. Bxf6 Bxf6 8. e3
Bf5 9. Be2 O-O 10. O-O Nd7 11. b4 b5 12. a4 a6 13. a5 Be7 14. Na2 Bd6 15. Rc1 Rc8
16. Nd2 Nf6 17. Bf3 Qe7 18. Qb3 Rfe8 19. Rfd1 h5 20. Nf1 h4 21. Rd2 Ne4 22. Rb2 Qg5
23. Nc3 Bh3 24. Kh1 Bf5 25. Kg1 Qg6 26. Qd1 Bh3 27. Kh1 Bf5 28. Kg1 Bb8 29. Bh5 Qg5
30. Nxe4 Rxe4  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "7"]
[White "Goussain, Blaha"]
[Black "Sekula, Markley Ribas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "2015"]
[PlyCount "64"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. g3 O-O 6. Bg2 c6 7. O-O Qc7 8. e4 e5 9.
h3 Re8 10. Be3 Nbd7 11. Qc2 Nf8 12. Rad1 Be6 13. b3 Rad8 14. Rfe1 Bc8 15. Na4 b6
16. Nc3 a6 17. Qc1 Bb7 18. Bh6 Nh5 19. Kh2 Ne6 20. Bxg7 Kxg7 21. d5 cxd5 22. cxd5
Nc5 23. b4 Nd7 24. Qe3 Qc4 25. Rb1 Rc8 26. Rec1 Nhf6 27. Nd2 Qd4 28. Ne2 Qxe3 29.
fxe3 b5 30. Rxc8 Rxc8 31. Rc1 Nb6 32. Rxc8 Bxc8  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "8"]
[White "Tumenas, Douglas"]
[Black "Oliveira, Tiago Batista"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1758"]
[BlackElo "1991"]
[PlyCount "73"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 Nf6 4. h3 O-O 5. e3 d5 6. Be2 c5 7. c3 Nc6 8. O-O b6 9.
Nbd2 Bb7 10. Re1 Rc8 11. Ne5 Nd7 12. Nxd7 Qxd7 13. Nf3 Rfd8 14. Rc1 Qe8 15. Bb5 a6
16. Bxc6 Bxc6 17. Be5 f6 18. Bg3 e5 19. Qb3 Ba4 20. Qxb6 Rb8 21. Qxc5 Bf8 22. Qa5
Bc6 23. dxe5 Rb5 24. Qa4 Rxb2 25. Qxa6 Ra8 26. Qd3 Raxa2 27. exf6 Bc5 28. Ne5 Qe6
29. f7+ Kf8 30. Rb1 Bb5 31. Rxb2 Rxb2 32. Qd1 Bd6 33. Qa1 Bxe5 34. Qxb2 Bc4 35. Bxe5
Qxe5 36. Qb7 Qxc3 37. Qb8+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "9"]
[White "Cardozo, Matheus Santos"]
[Black "Hopka, Matheus Marchesi"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1822"]
[BlackElo "1936"]
[PlyCount "82"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. b3 Rb8
9. Bb2 Bd7 10. e3 b5 11. cxb5 axb5 12. Rc1 b4 13. Na4 Na5 14. Nd2 Rc8 15. Nc4 Nxc4
16. Rxc4 Bb5 17. Rxb4 Bxf1 18. Qxf1 e6 19. Bc6 Rb8 20. Rc4 Qe7 21. Ba3 Rfc8 22. Qg2
Rd8 23. Nb2 Nd7 24. Nd3 Rb6 25. Ra4 Nb8 26. Bf3 Ra6 27. Rxa6 Nxa6 28. Bb7 Nb8 29.
Bb4 Qd7 30. Bf3 Qb5 31. Qf1 Na6 32. a4 Qc6 33. Qe1 Rb8 34. a5 Qb5 35. Be2 Nxb4 36.
Nxb4 Qxb4 37. Qxb4 Rxb4 38. a6 Rxb3 39. Kf1 Rb1+ 40. Kg2 Ra1 41. Kf3 d5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "10"]
[White "Moritani, Sho"]
[Black "De Paula, Bruno Cesar Lima"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1914"]
[BlackElo "1650"]
[PlyCount "112"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. f3 Nf6 8. fxe4
Be7 9. Qf3 O-O 10. Qg3 Qf7 11. Be2 Nh5 12. Qf3 Bh4+ 13. Kd1 Nf6 14. g3 Ng4 15. Qxf7+
Rxf7 16. Ke1 Bf6 17. h3 Nh6 18. Be3 Nc6 19. Rd1 b5 20. Nxb5 Rb8 21. Nc3 Ba6 22. Rf1
Bc8 23. g4 Bh4+ 24. Kd2 Ba6 25. Kc1 Rxf1 26. Rxf1 Nf7 27. Nd2 Bxe2 28. Nxe2 Ng5 29.
Nf4 Nf7 30. Nf3 Bg5 31. h4 Bxf4 32. Bxf4 Re8 33. e5 Nxd4 34. Nxd4 dxe5 35. Nb5 exf4
36. Rxf4 Nd6 37. Nxc7 Re2 38. Nd5 h5 39. gxh5 Re5 40. Nb4 Rxh5 41. c4 Nf5 42. c5
Nxh4 43. Rc4 Nf5 44. c6 Rh1+ 45. Kd2 Rh2+ 46. Kd3 Rh3+ 47. Ke2 Rh2+ 48. Kf3 Rh3+
49. Kf2 Kf7 50. Rf4 Ke6 51. c7 Nd6 52. Rd4 Rh8 53. Nc6 Kd7 54. Ne5+ Kxc7 55. Nf3
Rf8 56. Kg3 Rf7  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "11"]
[White "Pavao, Fabio Biasi"]
[Black "De Souza Monteiro, Marcos Paulo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1790"]
[BlackElo "1842"]
[PlyCount "42"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. Nf3 O-O 6. O-O Bg4 7. h3 Bxf3 8. Bxf3
Qc8 9. Kh2 c5 10. b3 Nc6 11. Bb2 e5 12. Nd5 Nxd5 13. Bxd5 Ne7 14. Bg2 Rb8 15. Qc2
f5 16. f4 Nc6 17. Bd5+ Kh8 18. Bxc6 Qxc6 19. Rae1 Qd7 20. e4 exf4 21. Bxg7+ Qxg7
 1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "12"]
[White "Fernandes, Felipe Gambini"]
[Black "Vieira, Paulo Cesar"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1850"]
[BlackElo "1762"]
[PlyCount "81"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bf4 d6 6. h3 Nc6 7. e3 Nd7 8. Be2 e5
9. Bh2 Re8 10. O-O e4 11. Nd2 f5 12. Rb1 Nf6 13. b4 Qe7 14. c5 Be6 15. Nc4 d5 16.
Ne5 Nxe5 17. Bxe5 Rac8 18. a4 Nd7 19. Bxg7 Qxg7 20. b5 Nf6 21. a5 g5 22. b6 axb6
23. a6 bxa6 24. Bxa6 Rb8 25. Na4 Bd7 26. Bb5 bxc5 27. Bxd7 Nxd7 28. Nxc5 Nxc5 29.
dxc5 c6 30. Qa4 Qc7 31. Qd4 Rf8 32. Rb6 Rxb6 33. cxb6 Qd6 34. Rc1 Rc8 35. b7 Rb8
36. Qb6 Qc7 37. Qxc6 Qxc6 38. Rxc6 Rxb7 39. Rf6 f4 40. exf4 gxf4 41. Rxf4  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "13"]
[White "Eto, Fabio Luis"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1619"]
[BlackElo "2055"]
[PlyCount "39"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8.
Rxe5 O-O 9. d4 Ne8 10. Bd3 d5 11. c3 Bd6 12. Re1 Qh4 13. g3 Qf6 14. Qh5 g6 15. Qxd5
Be6 16. Qxb7 Ng7 17. Nd2 Rae8 18. Ne4 Qf5 19. Bg5 Bc8 20. Qb5  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "14"]
[White "Teixeira, Felipe Augusto Cassim"]
[Black "Baptista, Andre Kemper"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1473"]
[BlackElo "1874"]
[PlyCount "60"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 O-O 6. Qd2 Nbd7 7. e4 c5 8. d5 Nb6
9. Be2 Ne8 10. h4 h5 11. Bh6 Bg4 12. Bxg7 Kxg7 13. O-O-O Qd7 14. Nh2 Bxe2 15. Qxe2
Na4 16. Nxa4 Qxa4 17. b3 Qa3+ 18. Kb1 a5 19. g4 a4 20. Rd3 Nf6 21. Rg1 Rh8 22. g5
Nd7 23. f4 Rhb8 24. Rgg3 b5 25. cxb5 Rxb5 26. Qb2+ Qxb2+ 27. Kxb2 Rb4 28. Rge3 Nb6
29. Rc3 axb3 30. a3 Nc4+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "15"]
[White "Van Riemsdijk, Dirk D."]
[Black "Parijos De Melo, Luiz Claudio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1817"]
[BlackElo "1751"]
[PlyCount "12"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "16"]
[White "Soares, Renan Barbosa Monteiro"]
[Black "Caris, Eduardo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1960"]
[BlackElo "1887"]
[PlyCount "70"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 exd5 8. Nh4 c6
9. cxd5 Nxd5 10. Nf5 Nc7 11. e4 d5 12. exd5 Nxd5 13. Bxd5 cxd5 14. Nc3 Bf6 15. Bf4
d4 16. Qg4 dxc3 17. Rad1 Qc8 18. Rd6 Be4 19. Rxf6 Bxf5 20. Rxf5 g6 21. Rg5 Qxg4 22.
Rxg4 f5 23. Rh4 c2 24. Rc1 Nc6 25. Kg2 Rac8 26. Rxc2 Nd4 27. Rd2 Ne6 28. Be5 Rfd8
29. Re2 Nc5 30. Bf6 Re8 31. Rxe8+ Rxe8 32. Bd4 Nd3 33. Bc3 Ne1+ 34. Kh3 Nd3 35. Kg2
Ne1+  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.09"]
[Round "4"]
[Board "17"]
[White "Moyses Sobrinho, Elias"]
[Black "Castro Silva, Alex"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1880"]
[BlackElo "1955"]
[PlyCount "44"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4
9. Nd2 Bxg2 10. Kxg2 f5 11. e4 d6 12. d5 e5 13. exf5 Rxf5 14. Ne4 Nd7 15. Qg4 Qf8
16. Bg5 Bxg5 17. Nxg5 Qf6 18. Ne6 Rc8 19. f4 exf4 20. gxf4 Qxb2+ 21. Kh1 g6 22. Rac1
Kh8  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "1"]
[White "Komatu, Felipe Karczewski"]
[Black "Fonseca Rodrigues, Edson"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1766"]
[BlackElo "2046"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 Nf6 2. Nc3 b6 3. e4 Bb7 4. e5 Ne4 5. Nf3 e6 6. Be2 d5 7. Qc2 Nd7 8. cxd5 exd5
9. O-O Be7 10. d3 Nec5 11. Be3 O-O 12. d4 Ne6 13. Bd3 g6 14. Qb3 c6 15. g3 Kg7 16.
Rae1 a5 17. a4 Bb4 18. Re2 f6 19. exf6+ Qxf6 20. Nh4 Nxd4 21. Bxd4 Qxd4 22. Qc2 Qf6
23. Rfe1 Nc5 24. Re7+ Rf7 25. Rxf7+ Qxf7 26. Qe2 Rf8 27. f4 Qf6 28. Bc2 Bxc3 29.
bxc3 Qxc3 30. Qe7+ Rf7 31. Nf5+ gxf5 32. Qg5+ Kf8 33. Qd8+ Kg7 34. Qg5+ Kf8  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "2"]
[White "Lima, Stefan Moisei Vieira"]
[Black "Cordeiro, Marco Aurelio Zaror"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2061"]
[BlackElo "2079"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. Bxc6 Qxc6 5. Nc3 Nf6 6. Qe2 e6 7. d4 cxd4 8. Nxd4
Qb6 9. Nb3 Bb4 10. O-O e5 11. Nd5 Nxd5 12. exd5 Bd6 13. Qg4 Bf8 14. Re1 d6 15. Qg3
Qc7 16. f4 f6 17. Bd2 Bd7 18. Qd3 Be7 19. c4 b6 20. Rac1 O-O 21. Nd4 Qc8 22. Bb4
Rf7 23. Nb5 Bxb5 24. cxb5 Qg4 25. Qf3 Qxf3 26. gxf3 Bf8 27. Rc6 Rd7 28. f5 Kf7 29.
Rec1 Rad8 30. a4 g6 31. fxg6+ hxg6 32. R1c4 Bh6 33. Kf2 Bf4 34. h3 Ke7 35. Rc7 f5
36. a5 bxa5 37. Bxa5 Rb8 38. Rxd7+ Kxd7 39. Rc7+ Ke8 40. Rxa7 Rxb5 41. Bc3 Rxd5 42.
Ke2 e4 43. fxe4 fxe4 44. Ra4 Rh5 45. Rxe4+ Be5 46. Bxe5 dxe5 47. h4 Ke7 48. Kf3 Rf5+
49. Ke3 Kf6 50. Rg4 Rf1 51. Rg2 Re1+ 52. Kf3 Rh1 53. Kg4 e4 54. b4 Ke5 55. Rb2 Rg1+
56. Kh3 Rd1 57. b5 Kf4 58. b6 Kf3 59. Kh2 e3 60. b7 Rd2+ 61. Rxd2 exd2 62. b8=Q d1=Q
63. Qg3+ Ke4 64. Qxg6+ Ke5 65. Qg5+ Ke6 66. Qe3+ Kf7 67. Kg3 Kg6 68. Qe6+ Kg7  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "3"]
[White "Jiang, Lucas Zirui"]
[Black "Feller, Gabriela Luisa Vicente"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1710"]
[BlackElo "1897"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 b5 6. cxb5 Bxb5 7. Bg2 d5 8. O-O c5
9. Ba3 Nbd7 10. dxc5 Bxc5 11. Bxc5 Nxc5 12. Nc3 Ba6 13. b4 Ncd7 14. Qa4 Qb6 15. Ne5
Rc8 16. Rac1 Ke7 17. Nxd7 Nxd7 18. Bxd5 Rxc3 19. Bxe6 Bb5 20. Qd1 Rxc1 21. Qxc1 fxe6
22. Qg5+ Kf7 23. Qh5+ g6 24. Qf3+ Nf6 25. Rc1 Rf8 26. Qf4 Kg8 27. e4 Nd7  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "4"]
[White "Brandao, Renan Alves"]
[Black "Goussain, Blaha"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2095"]
[BlackElo "1872"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 Bf5 5. Nh4 Be4 6. f3 Bg6 7. Qb3 Qb6 8. Qxb6
axb6 9. Nxg6 hxg6 10. a3 e6 11. Kf2 Nbd7 12. cxd5 Nxd5 13. e4 N5f6 14. Nb3 Be7 15.
Be3 O-O 16. Be2 Rfd8 17. g4 g5 18. h4 Nh7 19. hxg5 Nxg5 20. Rh5 Nh7 21. Rah1 Ndf8
22. f4 g6 23. R5h2 b5 24. Nc5 Bxc5 25. dxc5 Ra4 26. Kf3 Nf6 27. g5 Nxe4 28. Bd1 Nxc5
29. Bxc5 Rc4 30. Rh8+ Kg7 31. Bxf8+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "5"]
[White "Hopka, Matheus Marchesi"]
[Black "Da Cunha, Gabriela Goes"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1936"]
[BlackElo "1772"]
[PlyCount "131"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 dxe4 5. fxe4 e5 6. Nf3 exd4 7. Nxd4 Bc5 8. Na4
Qa5+ 9. c3 (9. Nc3 Be7 10. b4 Qc7 11. Qf3 Nf6 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Bd3)
9... Be7 10. b4 Qc7 11. Qf3 Nf6 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Bd3 Bg4 15. Qf2 Nbd7
16. h3 Ne5 17. Bc2 Bd7 18. O-O O-O 19. Nc5 b6 20. Nxd7 Qxd7 21. Qg3 Ng6 22. e5 Nd5
23. Nf5 Rae8 24. h4 f6 25. exf6 Rxf6 26. h5 Nf8 27. c4 Nxb4 28. Rad1 Qb7 29. Nd6
Rxd6 30. Bxh7+ Nxh7 31. Qxd6 Nc2 32. Qg6 Qe7 33. Qxc2 Nf6 34. Qf5 Qe3+ 35. Rf2 Rf8
36. Rd3 Qc1+ 37. Rf1 Qxc4 38. Qg6 Qc5+ 39. Kh1 Qxh5+ 40. Qxh5 Nxh5 41. Rxf8+ Kxf8
42. Rd7 Nf6 43. Rc7 Nd5 44. Rxc6 Ke7 45. Kg1 Kf7 46. Rd6 Ne7 47. Rd7 a6 48. Rd6 b5
49. Rxa6 Nd5 50. Kf2 b4 51. Kf3 Nc3 52. Ke3 Nd5+ 53. Kd4 Nf4 54. g4 Nh3 55. Ke3 g5
56. Rb6 Nf4 57. Ke4 Ne2 58. Rxb4 Nc3+ 59. Kd3 Nd1 60. Kd2 Nf2 61. Ke2 Nh3 62. Kf3
Ng1+ 63. Kf2 Nh3+ 64. Kg3 Ng1 65. Rb2 Ke6 66. Kg2  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "6"]
[White "Ikejiri, Daniel Yoshito"]
[Black "Tumenas, Douglas"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1910"]
[BlackElo "1758"]
[PlyCount "71"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 O-O
9. O-O Bd7 10. h3 Nxd4 11. Bxd4 Bc6 12. Qc2 Qc7 13. Rad1 Rfc8 14. f4 Nd7 15. Bxg7
Kxg7 16. Kh1 h5 17. Qd2 Qd8 18. b3 Qh8 19. Qe3 Qh6 20. Qd4+ Kg8 21. Nd5 Bxd5 22.
Qxd5 Rab8 23. e5 Nb6 24. Qe4 dxe5 25. Qxe5 e6 26. Bf3 Re8 27. c5 Nd5 28. Bxd5 exd5
29. Qxd5 Rec8 30. b4 a5 31. a3 axb4 32. axb4 Qf8 33. Qg5 b6 34. f5 Rc6 35. fxg6 f6
36. Qd5+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "7"]
[White "Baptista, Andre Kemper"]
[Black "Lutz, Igor Oscar"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1874"]
[BlackElo "1969"]
[PlyCount "77"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Nf6 6. e5 Ng4 7. Nxd4 cxd4 8. Qxg4
dxc3 9. dxc3 Qc7 10. Qe2 d5 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. O-O Rc8 14. Be3 Rc4 15.
Bd4 g6 16. Rad1 Bg7 17. a3 O-O 18. Bxa7 Qb5 19. b3 Rc5 20. Qxb5 Rxb5 21. Bd4 Ra5
22. a4 Rfa8 23. f4 b5 24. Bb6 R5a6 25. a5 Rc8 26. Rf3 Bf8 27. b4 Rc4 28. Rd4 Rc6
29. Kf1 Ra8 30. Ke2 Rac8 31. Kd2 Bg7 32. Bc5 Bf8 33. Bxf8 Kxf8 34. g4 Ke7 35. f5
gxf5 36. gxf5 Rg8 37. f6+ Kd7 38. Rg3 Rg6 39. Rh4  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "8"]
[White "Sekula, Markley Ribas"]
[Black "Eto, Fabio Luis"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2015"]
[BlackElo "1619"]
[PlyCount "57"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. O-O Be7 8. Be3
O-O 9. Kh1 Bd7 10. Nxc6 Bxc6 11. f3 Rc8 12. Bb3 Qa5 13. Qd2 Kh8 14. Rfd1 a6 15. Bf4
Rfd8 16. Ne2 Qxd2 17. Rxd2 d5 18. e5 Nd7 19. Nd4 g5 20. Bg3 h5 21. c3 h4 22. Bf2
Nxe5 23. Nxc6 Nxc6 24. Re1 Kg7 25. g3 hxg3 26. hxg3 Rh8+ 27. Kg2 Bf6 28. Red1 b5
29. f4  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "9"]
[White "De Paula, Bruno Cesar Lima"]
[Black "Nascimento, Daniel Rojas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1650"]
[BlackElo "1992"]
[PlyCount "80"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5
e5 9. Qc4 Rc8 10. O-O-O Qc7 11. Bxf6 gxf6 12. Nd5 Bxd5 13. Qxc7 Rxc7 14. Rxd5 Bh6+
15. Kb1 Rc4 16. Rxd6 Rxe4 17. Rhd1 Ke7 18. Rd7+ Ke6 19. R1d6+ Kf5 20. Rxf7 Bg5 21.
a3 Rc8 22. Nxg5 Kxg5 23. Rdxf6 Re2 24. Rf3 Rcxc2 25. Rg3+ Kh6 26. Rxb7 Rxf2 27. Rh3+
Kg5 28. Rhxh7 e4 29. Rhe7 Kf4 30. g3+ Ke3 31. Rb3+ Kd4 32. Rb4+ Kd5 33. Rexe4 a5
34. Rbd4+ Kc5 35. b4+ axb4 36. Rxb4 Rxh2 37. Re1 Rcg2 38. Rc1+ Kd5 39. Rb3 Rh3 40.
Rc2 Rhxg3  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "10"]
[White "Vieira, Paulo Cesar"]
[Black "Moritani, Sho"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1762"]
[BlackElo "1914"]
[PlyCount "116"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Nge2 Nd4 8. O-O Rb8
9. Qd2 b5 10. f4 Ne7 11. h3 O-O 12. g4 f5 13. Ng3 b4 14. Nd1 Bb7 15. c3 bxc3 16.
bxc3 Ndc6 17. Rb1 Qd7 18. d4 cxd4 19. cxd4 fxe4 20. Nxe4 Nd5 21. Ng3 Nxe3 22. Nxe3
Nxd4 23. f5 exf5 24. gxf5 Bxg2 25. Qxg2 Rxb1 26. Rxb1 Qe7 27. Nd5 Qg5 28. f6 Bxf6
29. Nxf6+ Rxf6 30. Ne4 Qe3+ 31. Kh1 Rf8 32. Nxd6 Qe6 33. Ne4 Nf3 34. Nc5 Qf5 35.
Rf1 Qxc5 36. Rxf3 Qc1+ 37. Kh2 Rxf3 38. Qxf3 Qb2+ 39. Qg2 Qxg2+ 40. Kxg2 Kf7 41.
Kf3 Ke6 42. Ke4 g5 43. a4 a5 44. Kd4 Kd6 45. Ke4 Kc5 46. Kf5 Kb4 47. Kxg5 Kxa4 48.
Kh6 Kb5 49. Kxh7 a4 50. h4 a3 51. h5 a2 52. h6 a1=Q 53. Kg8 Qg1+ 54. Kf7 Qf2+ 55.
Kg7 Qg3+ 56. Kf7 Qf4+ 57. Kg7 Qg4+ 58. Kf6 Qg8  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "11"]
[White "Cincinato, Thalita Ariane C."]
[Black "Pavao, Fabio Biasi"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1854"]
[BlackElo "1790"]
[PlyCount "84"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 4. Nb5 Na6 5. a4 c6 6. Na3 Bg7 7. e3 O-O 8. Bxa6 Qa5+
9. c3 Qxa6 10. Ne2 Bg4 11. f3 Bc8 12. g4 Nd7 13. h4 e5 14. Bg3 exd4 15. cxd4 Qa5+
16. Nc3 c5 17. O-O cxd4 18. exd4 Nf6 19. Bd6 Rd8 20. Nab5 Ne8 21. b4 Qa6 22. Be7
Rd7 23. Re1 Qb6 24. a5 Qc6 25. Rc1 Rxe7 26. Rxe7 Be6 27. Qd3 Bf8 28. Ne2 Qa6 29.
Rxe6 fxe6 30. Rb1 Nd6 31. Nec3 Rc8 32. Qe2 Nxb5 33. Nxb5 Rc4 34. Na3 Rc1+ 35. Kf2
Qxe2+ 36. Kxe2 Rxb1 37. Nxb1 Bxb4 38. a6 bxa6 39. Kd3 Kf7 40. Nc3 Bxc3 41. Kxc3 Kf6
42. f4 h5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "12"]
[White "De Souza Monteiro, Marcos Paulo"]
[Black "Cardozo, Matheus Santos"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1842"]
[BlackElo "1822"]
[PlyCount "66"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d6 5. O-O O-O 6. c4 c5 7. Nc3 cxd4 8. Nxd4 Nc6
9. Be3 Bd7 10. Qd2 Ng4 11. Rfd1 Nxe3 12. Nxc6 Bxc6 13. Qxe3 Bxg2 14. Kxg2 e6 15.
Rab1 Qc7 16. b3 a6 17. Ne4 Rfd8 18. Rbc1 Qc6 19. f3 Rd7 20. Qf4 Rad8 21. Nf6+ Bxf6
22. Qxf6 b5 23. h4 Qc5 24. cxb5 Qxb5 25. Rd3 h5 26. a4 Qb7 27. g4 Kh7 28. Qg5 Rg8
29. Kh2 hxg4 30. fxg4 f6 31. Qxf6 Rf7 32. Qxe6 Rgf8 33. e4 Rf2+  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "13"]
[White "Oliveira, Tiago Batista"]
[Black "Van Riemsdijk, Dirk D."]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1991"]
[BlackElo "1817"]
[PlyCount "42"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 f5 2. Nf3 Nf6 3. c4 g6 4. b3 Bg7 5. Bb2 O-O 6. g3 d6 7. Bg2 c6 8. O-O Qe8 9.
Nbd2 h6 10. Qc2 Nh5 11. Rae1 Na6 12. a3 Bd7 13. e4 f4 14. b4 g5 15. d5 Qg6 16. Nd4
cxd5 17. Nf5 Rxf5 18. exf5 Bxf5 19. Bxd5+ Kh8 20. Bxg7+ Nxg7 21. Be4 e5  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "14"]
[White "Parijos De Melo, Luiz Claudio"]
[Black "Fernandes, Felipe Gambini"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1751"]
[BlackElo "1850"]
[PlyCount "75"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 Bb6 7. Bb2 Ne7 8. Nf3 a5 9.
Nc3 Bd7 10. Bd3 Ng6 11. O-O O-O 12. g3 Bc7 13. Re1 axb4 14. axb4 Rxa1 15. Bxa1 Nc6
16. Na2 Qb8 17. Qe2 Qa7 18. c4 Ra8 19. Bb1 dxc4 20. h4 b5 21. h5 Nf8 22. Bc3 Bb6
23. h6 g6 24. Qd2 Ne7 25. Nc1 Bc6 26. Nd4 Qd7 27. Qg5 Nd5 28. Nxc6 Qxc6 29. Be4 Bd8
30. Qg4 Be7 31. Ne2 Nd7 32. Nd4 Qb7 33. Nxe6 N7b6 34. Nc5 Qc8 35. e6 f5 36. Bxf5
Nxc3 37. Bxg6 Kh8 38. Qd4+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "15"]
[White "Caris, Eduardo"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1887"]
[BlackElo "2055"]
[PlyCount "50"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 Na6 6. Nf3 Bc5 7. Qe5+ Be7 8. Nc3
O-O 9. a3 Re8 10. Qd4 Nc5 11. Rb1 a5 12. b4 axb4 13. axb4 Nce4 14. O-O d5 15. Nxe4
dxe4 16. Qxd8 Bxd8 17. Nd4 Bc7 18. e3 Ra4 19. Bd2 Bd7 20. Bc3 c5 21. Nb5 Bxb5 22.
cxb5 Nd5 23. Rfc1 cxb4 24. Bxb4 Be5 25. Be1 f5  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "5"]
[Board "16"]
[White "Castro Silva, Alex"]
[Black "Soares, Renan Barbosa Monteiro"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1955"]
[BlackElo "1960"]
[PlyCount "79"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. O-O Be7
9. f4 O-O 10. f5 b4 11. Na4 e5 12. Ne2 Qc7 13. Ng3 Bb7 14. Bg5 Nbd7 15. Nh5 Bxe4
16. g4 Qa7+ 17. Rf2 Nxh5 18. Bxe7 Nf4 19. Kf1 Rfe8 20. Qxd6 Nf8 21. Qxb4 Bg2+ 22.
Rxg2 Rxe7 23. Rg3 Rb8 24. Qe4 Nd7 25. g5 Kh8 26. Rd1 f6 27. h4 a5 28. Qc6 Nh5 29.
Rgd3 Nf8 30. Qc5 Qb7 31. Bd5 Qd7 32. Bf3 Ng3+ 33. Kg2 Qxa4 34. Qxe7 Nxf5 35. Qa3
Nxh4+ 36. Kf2 Qe8 37. gxf6 gxf6 38. Qd6 Kg7 39. Qc7+ Kh6 40. Rh1  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "1"]
[White "Komatu, Felipe Karczewski"]
[Black "Lima, Stefan Moisei Vieira"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1766"]
[BlackElo "2061"]
[PlyCount "122"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 a5 6. e3 O-O 7. Ne2 Re8 8. O-O d6
9. d4 a4 10. Nxb4 Nxb4 11. a3 Nc6 12. Nc3 exd4 13. exd4 Bg4 14. f3 Bd7 15. Nxa4 Na5
16. c5 Bb5 17. Rf2 Qd7 18. Nc3 dxc5 19. Nxb5 Qxb5 20. Bf1 c4 21. b4 Nc6 22. Rc2 Qa4
23. Bb2 Nd5 24. Rxc4 Qxd1 25. Rxd1 Ne3 26. Rdc1 Nxc4 27. Rxc4 Rac8 28. d5 Ne7 29.
Rg4 g6 30. Bc4 Nf5 31. Kf2 Ne3 32. Rd4 Nxc4 33. Rxc4 f5 34. f4 Kf7 35. Be5 c6 36.
d6 Ke6 37. a4 b5 38. Rd4 Red8 39. a5 c5 40. bxc5 Rxc5 41. Rb4 Ra8 42. Rd4 Rd5 43.
Rb4 Rxa5 44. Rb2 Rc5 45. Rd2 Kd7 46. Ke3 Rc4 47. Rb2 Ra3+ 48. Kd2 b4 49. Ke2 b3 50.
Kd3 Rc2 51. Rxb3 Rxb3+ 52. Kxc2 Rf3 53. Kd2 Rf2+ 54. Ke3 Rxh2 55. Kf3 Ke6 56. Ke3
h6 57. Kf3 g5 58. Ke3 g4 59. Kd4 h5 60. Kc5 Rc2+ 61. Kd4 h4  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "2"]
[White "Feller, Gabriela Luisa Vicente"]
[Black "Fonseca Rodrigues, Edson"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "2046"]
[PlyCount "76"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Bxd2+ 6. Qxd2 Nc6 7. Nc3 d6 8. Bg2
O-O 9. O-O e5 10. Rac1 Bg4 11. Nd5 Nxd5 12. cxd5 Bxf3 13. dxc6 Bxg2 14. Kxg2 exd4
15. Qxd4 Rab8 16. e3 b5 17. Rc3 a5 18. Ra3 Ra8 19. Rc1 Rfb8 20. b4 a4 21. Qd5 Qe6
22. e4 Qxd5 23. exd5 Re8 24. Re3 Rxe3 25. fxe3 Re8 26. Kf3 f5 27. a3 Kf7 28. h3 h5
29. Rc3 Re5 30. Rd3 Re4 31. Kf2 Kf6 32. Kf3 Ke5 33. Kf2 Rc4 34. Kf3 g5 35. h4 g4+
36. Ke2 Rc2+ 37. Kf1 Rb2 38. Rc3 Rb3  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "3"]
[White "Hopka, Matheus Marchesi"]
[Black "Brandao, Renan Alves"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1936"]
[BlackElo "2095"]
[PlyCount "262"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 7. N5c3 Nf6 8. Bd3 Be7
9. O-O O-O 10. Nd5 Nd4 11. Nbc3 Be6 12. Be3 Nc6 13. f3 Rc8 14. Rb1 Nh5 15. Qd2 h6
16. Qf2 Bg5 17. Bb6 Qd7 18. Kh1 Nf4 19. Nxf4 exf4 20. Rfd1 Ne5 21. b3 Bd8 22. Bxd8
Rfxd8 23. Qd2 g5 24. Be2 Qc7 25. Rbc1 Qc5 26. Qd4 Kf8 27. Rd2 Ke7 28. Rdd1 h5 29.
Qd2 h4 30. Na4 Qf2 31. Rf1 Qa7 32. Nc3 Qc5 33. Na4 Qa7 34. Nc3 f6 35. Nd5+ Bxd5 36.
exd5 b6 37. Bd3 Kf7 38. Bf5 Rc5 39. Rce1 Qc7 40. Qc2 b5 41. Rxe5 fxe5 42. Bh7 Kf8
43. Qf5+ Qf7 44. Qxg5 Rd7 45. Bf5 Qg7 46. Qxh4 Re7 47. Be6 Ke8 48. Qh5+ Kd8 49. Qh4
bxc4 50. bxc4 Rxc4 51. Qf2 Rb7 52. Qe2 Qc7 53. Qd3 Rc1 54. h4 Rbb1 55. Qxb1 Rxb1
56. Rxb1 Qh7 57. Rc1 Qxh4+ 58. Kg1 Ke7 59. Rc7+ Kf6 60. Rf7+ Kg6 61. Rd7 Qe1+ 62.
Kh2 Qb4 63. Rd8 a5 64. Rg8+ Kf6 65. Rf8+ Ke7 66. Rf7+ Ke8 67. Rd7 a4 68. Ra7 a3 69.
Bd7+ Ke7 70. Ba4+ Kf6 71. Bb3 Qc5 72. Ra6 Kg5 73. Ra8 e4 74. fxe4 Qf2 75. Kh1 Qh4+
76. Kg1 Qe1+ 77. Kh2 Qe2 78. Kg1 Qe1+ 79. Kh2 Qxe4 80. Rg8+ Kf6 81. Rf8+ Ke7 82.
Ra8 Qe2 83. Kg1 Qe1+ 84. Kh2 Qh4+ 85. Kg1 Qe1+ 86. Kh2 Qc1 87. Ra4 Kf6 88. Ra8 Qb2
89. Kg1 Kf5 90. Rf8+ Ke4 91. Re8+ Kf5 92. Re6 Qa1+ 93. Kh2 Qb2 94. Kg1 Qb1+ 95. Kh2
Kg4 96. Re7 Qb2 97. Bd1+ Kh4 98. Re2 Qd4 99. Bb3 Kg4 100. Rc2 Qh8+ 101. Kg1 Kg3 102.
Kf1 Qh1+ 103. Ke2 Qxg2+ 104. Kd3 Qf1+ 105. Ke4 Qe1+ 106. Kd3 Qe3+ 107. Kc4 f3 108.
Kb4 f2 109. Bc4 Qc5+ 110. Kb3 Kh2 111. Rc3 Qd4 112. Rc2 Qd1 113. Kc3 Kg1 114. Rd2
Qc1+ 115. Rc2 Qe3+ 116. Kb4 f1=Q 117. Bxf1 Kxf1 118. Rc3 Qd4+ 119. Kb3 Qxd5+ 120.
Kxa3 Qb5 121. Rc1+ Ke2 122. Rc2+ Kd1 123. Rc1+ Ke2 124. Rc2+ Ke3 125. Rc3+ Kd4 126.
Rc4+ Qxc4 127. Kb2 Qc3+ 128. Kb1 Kd3 129. a3 Qb3+ 130. Ka1 Kc2 131. a4 Qb1#  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "4"]
[White "Cordeiro, Marco Aurelio Zaror"]
[Black "Ikejiri, Daniel Yoshito"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2079"]
[BlackElo "1910"]
[PlyCount "110"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3
b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Ne7 13. a4 bxa4 14. Ncb4 O-O 15. Rxa4
a5 16. h4 Bh6 17. g4 Bf4 18. Nxe7+ Qxe7 19. Nd5 Qb7 20. b4 axb4 21. Rxb4 Qa7 22.
Be2 Be6 23. Nxf4 exf4 24. O-O Qe7 25. Qc1 Qxh4 26. Qxf4 h5 27. Rd4 hxg4 28. Rxd6
Ra5 29. Qh2 Qe7 30. Rfd1 g6 31. Bf1 Bb3 32. R1d4 Be6 33. Qg3 Rc8 34. Qd3 Rac5 35.
Rd8+ Kg7 36. Rxc8 Rxc8 37. Qg3 Qf6 38. Rd3 Rc5 39. Re3 Qe5 40. Qxe5+ Rxe5 41. Kg2
Kf6 42. Kg3 Kg5 43. Be2 f5 44. exf5 Rxe3+ 45. fxe3 gxf5 46. c4 Bd7 47. c5 Bc6 48.
Bd3 Kf6 49. Kf4 Bd7 50. Ba6 Bc6 51. Bc4 Ke7 52. Bd3 Bd7 53. c6 Bxc6 54. Bxf5 Be8
55. Bxg4 Ba4  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "5"]
[White "Moritani, Sho"]
[Black "Jiang, Lucas Zirui"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1914"]
[BlackElo "1710"]
[PlyCount "85"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 7. Qf4 Qf5 8.
Qe3 Qe6 9. b3 Qxe3+ 10. fxe3 Bf5 11. d3 Nd7 12. Bb2 f6 13. Nd4 Bg6 14. Ne6 Kf7 15.
Nxf8 Nxf8 16. Be2 e5 17. O-O Ne6 18. Bxe5 Rhe8 19. Rae1 Kg8 20. Bb2 a5 21. a4 Nc7
22. Bf3 Rad8 23. Bc3 Ra8 24. h4 Nd5 25. Bd4 Rac8 26. h5 Bf7 27. h6 g6 28. e4 Nb4
29. Bd1 f5 30. exf5 Rxe1 31. Rxe1 gxf5 32. Re5 Rd8 33. Bb6 Rd5 34. Rxd5 Nxd5 35.
Bd4 b6 36. c4 c5 37. Be5 Ne3 38. Bf3 Ng4 39. Bc7 Bg6 40. Bxb6 Nxh6 41. Bxa5 f4 42.
Bd2 Bxd3 43. a5  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "6"]
[White "Pavao, Fabio Biasi"]
[Black "Baptista, Andre Kemper"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1790"]
[BlackElo "1874"]
[PlyCount "107"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 Qb6 6. Qxb6 axb6 7. Nc3 Bc5 8. Nf3
d6 9. O-O Be6 10. b3 Nbd7 11. Bb2 O-O 12. e3 d5 13. cxd5 Nxd5 14. Ng5 Nxc3 15. Bxc3
Bf5 16. Rfd1 Rfd8 17. Rd2 Be7 18. Ne4 Bxe4 19. Bxe4 Nc5 20. Rxd8+ Rxd8 21. Bc2 Na6
22. Rd1 Rxd1+ 23. Bxd1 Ba3 24. Bg4 b5 25. Bc8 Nc5 26. Ba5 Kf8 27. Bb6 Ke7 28. Bxc5+
Bxc5 29. Bxb7 Kd6 30. Kf1 Kc7 31. Ba8 Kd6 32. Ke2 Kc7 33. Kd3 f5 34. f3 h5 35. h3
Bd6 36. g4 hxg4 37. fxg4 fxg4 38. hxg4 Be7 39. a4 bxa4 40. bxa4 Kb6 41. Kc4 c5 42.
Kd5 Ka5 43. Bc6 Kb4 44. Bb5 c4 45. Bxc4 Kxa4 46. e4 Kb4 47. Ke6 Bg5 48. Kf5 Be7 49.
Bf7 Kc5 50. e5 Kc6 51. Kg6 Bf8 52. Be8+ Kd5 53. Kf7 Bc5 54. e6  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "7"]
[White "Da Cunha, Gabriela Goes"]
[Black "Sekula, Markley Ribas"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1772"]
[BlackElo "2015"]
[PlyCount "162"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d6 6. g3 O-O 7. Bg2 Re8 8. O-O
e5 9. e4 a5 10. Qc2 Na6 11. Qc3 exd4 12. Nxd4 Nc5 13. Rfe1 c6 14. b3 Bd7 15. a3 Qb6
16. Rab1 Qc7 17. b4 Ne6 18. N2b3 axb4 19. axb4 Ng5 20. Nd2 Nh3+ 21. Kf1 Qb6 22. c5
Qa6+ 23. Qc4 Qa2 24. Qxa2 Rxa2 25. Rbd1 dxc5 26. bxc5 Ng5 27. Nf5 Ne6 28. Nd6 Rea8
29. e5 Nd5 30. N2c4 Nxc5 31. Bxd5 cxd5 32. Nb6 Bh3+ 33. Kg1 R8a6 34. Nxd5 Ra8 35.
Nf4 Bg4 36. Rc1 Nb3 37. Rc7 Nd4 38. Kg2 Bf3+ 39. Kg1 g5 40. Nh3 h6 41. Nxf7 Ra1 42.
Nxh6+ Kf8 43. Rc8+ Ke7 44. Nf5+ Nxf5 45. Rcc1 Rxc1 46. Rxc1 g4 47. Ng5 Nd4 48. Kf1
Ra2 49. Rb1 b5 50. h3 gxh3 51. Nxh3 Nb3 52. Kg1 Nd2 53. Rc1 Ne4 54. g4 Ke6 55. g5
Kxe5 56. Rb1 Nc3 57. Re1+ Ne2+ 58. Kf1 Kd4 59. g6 Ra7 60. Ng5 Bg4 61. f3 Bf5 62.
Kxe2 Bxg6 63. Rd1+ Kc3 64. Ne4+ Bxe4 65. fxe4 b4 66. Rd3+ Kc4 67. e5 b3 68. Rd8 b2
69. Rb8 Kc3 70. Ke3 Ra5 71. Ke4 Ra4+ 72. Kd5 Rb4 73. Rc8+ Kd3 74. e6 Rd4+ 75. Ke5
b1=Q 76. Kf6 Rf4+ 77. Ke7 Qb7+ 78. Kd6 Qxc8 79. e7 Rf6+ 80. Kd5 Qc6+ 81. Ke5 Qd6#
 0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "8"]
[White "Nascimento, Daniel Rojas"]
[Black "Parijos De Melo, Luiz Claudio"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1992"]
[BlackElo "1751"]
[PlyCount "102"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 g6 6. Bc4 a6 7. Qd4 Qf6 8. e5 Qg7
9. Bg5 Nc6 10. Qb6 h6 11. Bh4 g5 12. Bg3 g4 13. Nd2 Nxe5 14. O-O h5 15. Rfe1 Nxc4
16. Nxc4 h4 17. Nd5 hxg3 18. Nc7+ Ke7 19. Qd6+ Kd8 20. Qb6 gxf2+ 21. Kxf2 Qf6+ 22.
Kg1 Bc5+ 23. Qxc5 Qh4 24. h3 gxh3 25. Nxa8 Nf6 26. Nd6 Rh5 27. Nxf7+ Ke8 28. Nd6+
Kd8 29. Qc7+ Ke7 30. Nxc8+ Kf7 31. Rad1 hxg2 32. Rxd7+ Kg6 33. Ne7+ Kh6 34. Ng8+
Nxg8 35. Rxe6+ Nf6 36. Rh7+ Kg6 37. Rxf6+ Qxf6 38. Qc2+ Rf5 39. Rh2 Qd4+ 40. Kxg2
Kg5 41. Rh5+ Kxh5 42. Qxf5+ Kh6 43. Qf2 Qd5+ 44. Qf3 Qg8+ 45. Kh3 Qxa8 46. Qf6+ Kh7
47. Qf7+ Kh6 48. Kg4 Qc8+ 49. Qf5 Qg8+ 50. Kf4 Qc4+ 51. Qe4 Qc1+  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "9"]
[White "Eto, Fabio Luis"]
[Black "Oliveira, Tiago Batista"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1619"]
[BlackElo "1991"]
[PlyCount "62"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6
9. Qe2 Bc5 10. Be3 O-O 11. Rd1 Ne7 12. Nbd2 Bxe3 13. Nxe4 Bb6 14. c4 bxc4 15. Bxc4
Qb8 16. Nf6+ gxf6 17. exf6 Ng6 18. Qd2 Qd8 19. Qg5 h5 20. Qxh5 Qxf6 21. Bxd5 Bxd5
22. Rxd5 Qxb2 23. Rad1 Rfe8 24. h4 Qxf2+ 25. Kh2 Be3 26. Ra5 Bf4+ 27. Kh1 Re2 28.
Qg4 Rae8 29. Rf5 Bg3 30. Qh3 Re1+ 31. Rxe1 Rxe1+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "10"]
[White "Goussain, Blaha"]
[Black "De Paula, Bruno Cesar Lima"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "1650"]
[PlyCount "79"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. b3 f5 5. g3 Nf6 6. Bg2 Bd6 7. O-O Qe7 8. Bb2 O-O 9.
Qc1 Ne4 10. Ba3 Nd7 11. Qb2 f4 12. Bxd6 Qxd6 13. Nbd2 fxg3 14. hxg3 Nxd2 15. Qxd2
dxc4 16. bxc4 Nf6 17. Ne5 Nd7 18. f4 Nxe5 19. fxe5 Rxf1+ 20. Rxf1 Qc7 21. Qb2 Rb8
22. Bxc6 Bd7 23. Bxd7 Qxd7 24. e3 Rf8 25. Rxf8+ Kxf8 26. Qa3+ Kg8 27. Qd6 Qa4 28.
Qxe6+ Kf8 29. Qc8+ Kf7 30. Qxb7+ Kg6 31. Qb3 Qa5 32. Qc2+ Kg5 33. Qf2 Qb4 34. c5
Qb1+ 35. Kh2 h5 36. e6 Kg6 37. e7 Qe4 38. Qf4 Qc2+ 39. Kh3 Qa4 40. Qe4+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "11"]
[White "Tumenas, Douglas"]
[Black "De Souza Monteiro, Marcos Paulo"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1758"]
[BlackElo "1842"]
[PlyCount "131"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 c5 2. c3 cxd4 3. cxd4 d5 4. Nf3 Nc6 5. Bf4 Nf6 6. e3 Qb6 7. Qc1 Bf5 8. Nc3
a6 9. Be2 e6 10. O-O Be7 11. h3 h6 12. Ne5 O-O 13. Na4 Qb5 14. Nxc6 bxc6 15. b3 Rfc8
16. Qb2 Nd7 17. a3 Qa5 18. Rfc1 Bf6 19. Bd6 c5 20. Be5 Bxe5 21. dxe5 Rab8 22. Qc3
Qxc3 23. Rxc3 Rc6 24. Rac1 Rbc8 25. g4 Bh7 26. f4 g5 27. Kf2 gxf4 28. exf4 f6 29.
exf6 Nxf6 30. Bf3 Ne4+ 31. Bxe4 Bxe4 32. Rxc5 Rxc5 33. Rxc5 Rf8 34. Kg3 d4 35. Re5
Bd5 36. Nc5 Rc8 37. b4 a5 38. Nxe6 Rc3+ 39. Kf2 Bxe6 40. Rxe6 a4 41. Rxh6 d3 42.
Ke3 Rxa3 43. Ra6 d2+ 44. Kxd2 Ra2+ 45. Kc1 a3 46. b5 Ra1+ 47. Kc2 a2 48. b6 Rb1 49.
Rxa2 Rxb6 50. Ra3 Rb4 51. Rf3 Kf7 52. Kd2 Re4 53. Kd3 Re1 54. Re3 Rh1 55. Ke4 Ra1
56. h4 Rh1 57. h5 Rg1 58. Kf5 Ra1 59. Re5 Ra2 60. Rb5 Kg7 61. g5 Ra3 62. Rb7+ Kh8
63. g6 Ra8 64. Kg5 Ra5+ 65. Kh6 Ra8 66. f5  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "12"]
[White "Cardozo, Matheus Santos"]
[Black "Castro Silva, Alex"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1822"]
[BlackElo "1955"]
[PlyCount "120"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Nxe4 Bxe4
9. b3 f5 10. e3 d6 11. Bb2 Nd7 12. Rc1 Bf6 13. Qe2 a5 14. a3 Qe7 15. Rfd1 e5 16.
Rd2 Rad8 17. Rcd1 g6 18. Ne1 exd4 19. exd4 Rde8 20. Nd3 Qg7 21. f3 Bxd4+ 22. Bxd4
Qxd4+ 23. Nf2 Qc3 24. fxe4 Qxb3 25. Qd3 Qxd3 26. Rxd3 Nc5 27. Re3 Re7 28. Rde1 Rfe8
29. Nd3 Nb3 30. Kf2 Nd4 31. exf5 Rxe3 32. Rxe3 Rxe3 33. Kxe3 Nc2+ 34. Kd2 Nxa3 35.
Bd5+ Kg7 36. fxg6 hxg6 37. Kc3 b5 38. Kb2 b4 39. Kb3 Kf6 40. Be4 Nb1 41. Bd5 Nc3
42. Bf3 c5 43. Nb2 Ke5 44. Na4 Nb1 45. Kc2 Na3+ 46. Kb3 Kd4 47. h4 Nxc4 48. Bd1 Ne3
49. Bf3 c4+ 50. Kb2 Nf5 51. h5 gxh5 52. Bxh5 Nxg3 53. Bg6 Nf1 54. Kc2 Ne3+ 55. Kd2
c3+ 56. Kc1 Nc4 57. Bf7 d5 58. Kc2 Nd2 59. Nb6 b3+ 60. Kc1 b2+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "13"]
[White "Vieira, Paulo Cesar"]
[Black "Cincinato, Thalita Ariane C."]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1762"]
[BlackElo "1854"]
[PlyCount "122"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. d3 Bg7 6. Nge2 Rb8 7. O-O h5 8. h3 Bd7
9. Be3 Qc8 10. Kh2 b5 11. Qd2 b4 12. Nd1 Nf6 13. f4 e5 14. c3 Ne7 15. d4 exd4 16.
cxd4 c4 17. Nf2 d5 18. e5 Nfg8 19. Ng1 Nh6 20. Nd1 Be6 21. Nf2 Nef5 22. Nf3 Qd8 23.
Ng5 Bf8 24. Rfe1 Be7 25. Nxe6 fxe6 26. Bf3 Kf7 27. Nd1 Qg8 28. a3 Qg7 29. Rg1 a5
30. axb4 axb4 31. Nf2 Qh7 32. Kg2 Rb7 33. Ra6 Rc8 34. Rga1 c3 35. bxc3 bxc3 36. Qd3
Nxe3+ 37. Qxe3 Nf5 38. Qd3 c2 39. Rc1 g5 40. Kh2 gxf4 41. gxf4 Rbc7 42. Ra2 Rc3 43.
Qe2 Ng7 44. Nh1 Qf5 45. Kg2 Qxf4 46. Raxc2 Qg5+ 47. Kf2 Qh4+ 48. Kg2 Rxc2 49. Rxc2
Rxc2 50. Qxc2 Nf5 51. Qd3 Qg5+ 52. Kf2 Qf4 53. Kg2 Nh4+ 54. Kf2 Qh2+ 55. Kf1 Qxh3+
56. Kf2 Qh2+ 57. Kf1 Qh3+ 58. Kf2 Nf5 59. Ke2 Qh4 60. Bxd5 Nxd4+ 61. Kf1 exd5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "14"]
[White "Piekarski, Atila Balzer"]
[Black "Moyses Sobrinho, Elias"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2055"]
[BlackElo "1880"]
[PlyCount "28"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bf5 5. Bd3 Bxd3 6. Qxd3 c6 7. O-O g6 8. c4
Nb6 9. Nc3 Bg7 10. Re1 O-O 11. Bf4 N8d7 12. Bh6 e6 13. c5 Nd5 14. Nxd5 exd5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "15"]
[White "Van Riemsdijk, Dirk D."]
[Black "Caris, Eduardo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1817"]
[BlackElo "1887"]
[PlyCount "69"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Bc4 Nb6 7. Bb3 e6 8. Nf3
Nc6 9. d4 Nd5 10. O-O Be7 11. Qe2 Nxc3 12. bxc3 O-O 13. Rd1 Qa5 14. Bb2 Bf6 15. Qe4
Ne7 16. Nd2 Bd7 17. Nc4 Qg5 18. Bc2 g6 19. Bc1 Qd5 20. Ne3 Qc6 21. Rb1 Nd5 22. Nxd5
exd5 23. Qf3 Bg7 24. Bb3 Be6 25. Ba3 Rfd8 26. h4 h5 27. Re1 Bg4 28. Qf4 Re8 29. Qd6
Qxc3 30. Rxe8+ Rxe8 31. Qxd5 Re1+ 32. Kh2 Be6 33. Qd8+ Kh7 34. Bxe6 Rxe6 35. d5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.10"]
[Round "6"]
[Board "16"]
[White "Soares, Renan Barbosa Monteiro"]
[Black "Fernandes, Felipe Gambini"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1960"]
[BlackElo "1850"]
[PlyCount "71"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 dxc4 8. Bxf6
Nxf6 9. Nxc4 Qd8 10. Ne5 Be7 11. Qc2 O-O 12. Rd1 Qa5 13. Bd3 h6 14. O-O c5 15. Nc4
Qc7 16. Nb5 Qb8 17. Rfe1 a6 18. Nc3 b5 19. Ne5 Qc7 20. Ne4 c4 21. Nxf6+ Bxf6 22.
Be4 Bb7 23. Bxb7 Qxb7 24. f4 Bxe5 25. fxe5 Qe7 26. Rf1 Rac8 27. Rf3 Rc7 28. Rdf1
Qb4 29. Rg3 c3 30. b3 Qa3 31. Rgf3 Qb2 32. Qxb2 cxb2 33. R3f2 Rc3 34. Rxb2 Rxe3 35.
Rd1 Rd8 36. Rbd2  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "1"]
[White "Brandao, Renan Alves"]
[Black "Lima, Stefan Moisei Vieira"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2095"]
[BlackElo "2061"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nc3 Nb6 7. d5 O-O 8. e4 e6
9. Nge2 exd5 10. exd5 c5 11. O-O Re8 12. h3 Bf5 13. a4 Na6 14. a5 Nc4 15. Qa4 Nb4
16. Nf4 g5 17. Nh5 Bd3 18. Nxg7 Kxg7 19. Rd1 Bc2 20. Qb5 Bxd1 21. Qxc4 Bc2 22. Qxc5
Nd3 23. Qd4+ Qf6 24. Qxf6+ Kxf6 25. Be3 Rxe3 26. fxe3 Ke5 27. g4 Nb4 28. Rf1 Bg6
29. Rd1 Rd8 30. e4 Nc2 31. Kf2 Nd4 32. Ke3 Nb3 33. Nb5 Nxa5 34. Na3 b5 35. d6 Rxd6
36. Rxd6 Kxd6 37. Nxb5+ Kc5 38. Nxa7 Nc4+ 39. Kd3 Nxb2+ 40. Kc3 Na4+ 41. Kd3 Nb6
42. Kc3 f6 43. Bf3 Bf7 44. Be2 Be8 45. Ba6 Bd7 46. Bb7 h6 47. Ba6 Na4+ 48. Kb3 Kb6
49. Bc8 Kxa7 50. Bxd7 Nc5+ 51. Kc4 Nxd7 52. Kd5 Kb7 53. Ke6 Kc6 54. Kf5 Kd6 55. Kg6
Ke5 56. Kxh6 Kxe4 57. Kh5 Kf4 58. h4 Ne5 59. hxg5 fxg5  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "2"]
[White "Fonseca Rodrigues, Edson"]
[Black "Moritani, Sho"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2046"]
[BlackElo "1914"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O a6 7. Bc4 e6 8. d3 b5 9.
Bb3 Bb7 10. Qe1 Ne7 11. Be3 O-O 12. Bxd4 cxd4 13. Ne2 f5 14. e5 Bxf3 15. Rxf3 Nc6
16. Qf2 Qb6 17. c3 g5 18. Nxd4 gxf4 19. Nxc6 Qxc6 20. d4 d5 21. exd6 Qxd6 22. Re1
Rae8 23. Qh4 Kh8 24. Rxf4 e5 25. Qh5 exd4 26. Rxe8 Qxf4 27. Qf7 Qc1+ 28. Kf2 Qd2+
29. Kf1 Qc1+ 30. Kf2 Qd2+ 31. Kf1 Qd3+  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "3"]
[White "Feller, Gabriela Luisa Vicente"]
[Black "Cordeiro, Marco Aurelio Zaror"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1897"]
[BlackElo "2079"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 b5 2. Nf3 Bb7 3. Bf4 e6 4. e3 b4 5. Bd3 Nf6 6. Nbd2 c5 7. O-O Be7 8. e4 cxd4
9. Nxd4 Nc6 10. Nxc6 Bxc6 11. Re1 d6 12. Qf3 O-O 13. Rad1 e5 14. Bg5 Bd7 15. Bxf6
Bxf6 16. Nc4 Be6 17. Be2 Qc7 18. b3 a5 19. g3 a4 20. h4 axb3 21. axb3 Ra2 22. Rd2
Be7 23. Bf1 g6 24. Qd3 Rd8 25. c3 Rxd2 26. Qxd2 d5 27. exd5 Rxd5 28. Qb2 bxc3 29.
Qxc3 f6 30. Ra1 Bc5 31. Qf3 Kg7 32. Ra6 e4 33. Qg2 Rf5 34. Rxe6 Rxf2 35. Qh3 Qd7
36. b4 Rxf1+ 37. Kxf1 Qd1+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "4"]
[White "Ikejiri, Daniel Yoshito"]
[Black "Pavao, Fabio Biasi"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1910"]
[BlackElo "1790"]
[PlyCount "0"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be3
Bg7 9. Be2 O-O 10. Qd2 Be6 11. Rd1 Qa5 12. O-O Rfc8 13. b3 a6 14. Nd5 Qxd2 15. Nxf6+
Bxf6 16. Rxd2 Rab8 17. Rc1 b5 18. Rdc2 bxc4 19. Bxc4 Bxc4 20. Rxc4 Rxc4 21. Rxc4
Kf8 22. Kf1 Ke8 23. Ke2 Kd7 24. Kd3 Rc8 25. Rxc8 Kxc8 26. f4 e6 27. b4 Kc7 28. a4
Kc6 29. Kc4 d5+ 30. exd5+ exd5+ 31. Kd3 Be7 32. Bd2 h5 33. g3 Bf6 34. Bc3 Be7 35.
Ke3 Bd8 36. h3 f5 37. h4 Be7 38. Kd3 Bd8 39. Bd4 Be7 40. Kc3 Bd8 41. Bh8 Bb6 42.
Bd4 Bd8 43. Kd3 Be7 44. Bc3 Kb6 45. Kc2 Kb7 46. Kb3 Bd8 47. Bd4 Kc6 48. Bc5 Bf6 49.
Bf2 Bg7 50. Bg1 Bh8  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "5"]
[White "Sekula, Markley Ribas"]
[Black "Komatu, Felipe Karczewski"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2015"]
[BlackElo "1766"]
[PlyCount "58"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2
d6 9. O-O Bd7 10. Rc1 Nxd4 11. Bxd4 Bc6 12. Qd3 a5 13. Nd5 Nd7 14. Bxg7 Kxg7 15.
Rfd1 Rb8 16. b3 Kg8 17. Qe3 Bxd5 18. Rxd5 Qc7 19. h4 Nf6 20. Rb5 b6 21. h5 Kg7 22.
f4 Nd7 23. Kf2 Nc5 24. Rh1 f5 25. e5 dxe5 26. hxg6 hxg6 27. Qxe5+ Qxe5 28. fxe5 Ne4+
29. Kf3 Nc3  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "6"]
[White "Oliveira, Tiago Batista"]
[Black "Hopka, Matheus Marchesi"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1991"]
[BlackElo "1936"]
[PlyCount "144"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Qe8 8. dxe5 Ng4
9. Nd5 Na6 10. Bg5 f6 11. exf6 Nxf6 12. Nxf6+ Bxf6 13. Bxf6 Rxf6 14. Qd5+ Qf7 15.
Ng5 Qxd5 16. cxd5 h6 17. Bxa6 bxa6 18. Nf3 Rb8 19. b3 Rb4 20. Nd2 a5 21. Rc1 Rf7
22. Rc4 Ba6 23. Rxb4 axb4 24. Nc4 Bxc4 25. bxc4 c6 26. dxc6 Rc7 27. Kd2 Rxc6 28.
Kd3 Ra6 29. Rb1 Rxa2 30. Rxb4 Rxf2 31. e5 dxe5 32. c5 Kf7 33. Rb7+ Ke6 34. Rg7 Kd5
35. Rxg6 Kxc5 36. Rxh6 Rxg2 37. Ke4 a5 38. Kxe5 a4 39. Ra6 Kb4 40. Ra8 Rxh2 41. Kd4
Rc2 42. Rb8+ Ka5 43. Ra8+ Kb4 44. Rb8+ Ka3 45. Kd3 Rc7 46. Kd2 Ka2 47. Kd3 a3 48.
Kd2 Ka1 49. Rb6 Rh7 50. Kc1 Rh1+ 51. Kc2 Rh2+ 52. Kc1 Rb2 53. Ra6 Ka2 54. Ra8 Rb7
55. Kc2 Rc7+ 56. Kd2 Rd7+ 57. Kc2 Rc7+ 58. Kd2 Kb3 59. Rb8+ Ka4 60. Ra8+ Kb3 61.
Rb8+ Ka2 62. Rb6 Rc5 63. Rb8 Rh5 64. Kc1 Rh1+ 65. Kc2 Rh2+ 66. Kc1 Rb2 67. Ra8 Rb3
68. Kc2 Rh3 69. Rb8 Ka1 70. Rb1+ Ka2 71. Rb8 Rh2+ 72. Kc1 Rb2  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "7"]
[White "Tumenas, Douglas"]
[Black "Goussain, Blaha"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1758"]
[BlackElo "1872"]
[PlyCount "104"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. b3 Bf5 7. h3 h6 8. Be2 e6 9.
O-O Be7 10. a3 a5 11. a4 O-O 12. Na3 Rfc8 13. c4 cxd4 14. exd4 Bxa3 15. Rxa3 Ne4
16. c5 Qb4 17. Qa1 b6 18. cxb6 Qxb6 19. Qb2 Nb4 20. Rc1 Rxc1+ 21. Qxc1 Qb7 22. Qc7
Qxc7 23. Bxc7 Nc3 24. Bb5 Nc2 25. Bd6 Nxa3 26. Bxa3 Nxb5 27. axb5 Rb8 28. b4 axb4
29. Bxb4 Rxb5 30. Bd6 Rb1+ 31. Kh2 f6 32. Bf4 Be4 33. Nd2 Rd1 34. f3 Bd3 35. Nb3
Bc4 36. Nd2 Kf7 37. Kg3 Ra1 38. Kf2 Ra2 39. Ke1 g5 40. Be3 Kg6 41. g3 h5 42. f4 Ra3
43. Kf2 g4 44. h4 Bd3 45. Ke1 Kf5 46. Kf2 Ra2 47. Kg2 Ra1 48. Kf2 Be4 49. Nb3 Rb1
50. Nd2 Rh1 51. Nf1 Bd3 52. Nd2 Rh2+  0-1

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "8"]
[White "Cincinato, Thalita Ariane C."]
[Black "Nascimento, Daniel Rojas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1854"]
[BlackElo "1992"]
[PlyCount "57"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Be2 Bg7 5. g4 d5 6. e5 Ne4 7. Nxe4 dxe4 8. Bf4 O-O
9. h4 c5 10. c3 cxd4 11. cxd4 Nc6 12. Be3 Qa5+ 13. Kf1 Rd8 14. h5 Nxd4 15. Bxd4 Bxe5
16. hxg6 hxg6 17. Bxe5 Rxd1+ 18. Rxd1 Qxe5 19. Rd8+ Kg7 20. Rhh8 Qc7 21. Kg2 b5 22.
Rhg8+ Kf6 23. Nh3 g5 24. Nxg5 Bb7 25. Nh7+ Ke5 26. Rg5+ Ke6 27. Nf8+ Kf6 28. Nh7+
Ke6 29. Nf8+  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "10"]
[White "Jiang, Lucas Zirui"]
[Black "Baptista, Andre Kemper"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1710"]
[BlackElo "1874"]
[PlyCount "67"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. cxd5 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 Qxd5 7. e3 O-O 8.
Bc4 Qh5 9. O-O Nbd7 10. b4 Nb6 11. Be2 Qh6 12. Rc1 c6 13. b5 Bd7 14. Ne5 cxb5 15.
Nxd7 Nfxd7 16. Bxb5 Rac8 17. Bxd7 Nxd7 18. Qa4 Nf6 19. Qxa7 Ng4 20. Nf3 Rxc1 21.
Rxc1 Nxe3 22. Qxb7 Nd5 23. Rc8 f6 24. a4 Rxc8 25. Qxc8+ Kf7 26. a5 Qg6 27. Qb7+ Kf8
28. Qb3 Qe8 29. a6 Qc8 30. Qa3+ Kf7 31. a7 Nb6 32. h3 Qa8 33. Qa5 Nc8 34. Qc7+  1-0

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "11"]
[White "Lutz, Igor Oscar"]
[Black "Caris, Eduardo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1969"]
[BlackElo "1887"]
[PlyCount "107"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 a6 7. a4 g6 8. Nf3 Bg7 9.
Bg2 O-O 10. O-O Re8 11. Bf4 Nh5 12. Bg5 Qc7 13. Nd2 h6 14. Be3 Nd7 15. Nc4 Rb8 16.
Ne4 Rxe4 17. Bxe4 b5 18. axb5 axb5 19. Na5 Bxb2 20. Nc6 Bxa1 21. Qxa1 Kh7 22. Nxb8
Qxb8 23. Qc1 Nhf6 24. Bg2 Bb7 25. Rd1 Nb6 26. Bxh6 Bxd5 27. Qf4 Nh5 28. Qc1 Bxg2
29. Kxg2 d5 30. Bd2 Nc4 31. Bc3 Qe8 32. e3 Qe4+ 33. Kg1 b4 34. Be1 Ne5 35. Qxc5 Nf3+
36. Kf1 Nxh2+ 37. Ke2 Qg4+ 38. Kd2 Nf6 39. Kc1 b3 40. Qc3 Qc4 41. Rd4 Qxc3+ 42. Bxc3
Nhg4 43. Rf4 Ne4 44. Rxf7+ Kg8 45. Rg7+ Kf8 46. Bd4 Ngxf2 47. Rxg6 Nd3+ 48. Kb1 Nd2+
49. Ka1 Nc4 50. Rh6 b2+ 51. Bxb2 Ndxb2 52. Rh7 Nd3 53. Rd7 Nxe3 54. Rxd5  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "12"]
[White "Moyses Sobrinho, Elias"]
[Black "Eto, Fabio Luis"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1880"]
[BlackElo "1619"]
[PlyCount "147"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. g3 Bf5 7. Qb3 Na5 8. Qa4+
Bd7 9. Qc2 Rc8 10. Ne5 Nc6 11. Nxd7 Qxd7 12. e3 e6 13. Bg2 Bb4 14. a3 Be7 15. O-O
O-O 16. b4 a6 17. Bb2 Ne8 18. Qb3 Nd6 19. Na4 Nc4 20. Rfd1 f5 21. Nc5 Bxc5 22. bxc5
g5 23. f4 g4 24. Re1 b6 25. cxb6 Rb8 26. Bc3 Rxb6 27. Qa4 Nb8 28. Qxd7 Nxd7 29. Bf1
Rc8 30. Bxc4 Rxc4 31. Rec1 Nf6 32. Bd2 Ne4 33. Rxc4 dxc4 34. Bb4 Kf7 35. Rd1 Nf6
36. Rc1 Rc6 37. Bc5 Nd5 38. Rxc4 Nxe3 39. Rb4 Nd5 40. Rb7+ Rc7 41. Rb8 Kg7 42. Kf2
h5 43. Ke1 h4 44. gxh4 Nxf4 45. Bd6 Ng2+ 46. Kd2 Rd7 47. Be5+ Kg6 48. Rg8+ Kh5 49.
Rh8+ Kg6 50. Ke2 Rb7 51. Kf2 Rb2+ 52. Kg3 Ne1 53. h5+ Kg5 54. Bf4+ Kf6 55. Bc7 Rg2+
56. Kf4 Rxh2 57. Be5+ Ke7 58. Bg7 Rh3 59. d5 Rf3+ 60. Kg5 g3 61. dxe6 g2 62. Bf6+
Kd6 63. Bd4 Nc2 64. Kf6 Nxd4 65. Rd8+ Kc7 66. Rg8 Nxe6 67. Kxe6 Rxa3 68. Rxg2 Rh3
69. Kxf5 Rxh5+ 70. Ke4 Rh3 71. Kd4 Rb3 72. Kc4 Rb1 73. Kc3 a5 74. Rb2  1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "13"]
[White "De Paula, Bruno Cesar Lima"]
[Black "Vieira, Paulo Cesar"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1650"]
[BlackElo "1762"]
[PlyCount "56"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Qxd4 Nc6 5. Qa4 Be7 6. Nc3 d6 7. Bb5 Bd7 8. Be3
a6 9. Bxc6 Bxc6 10. Qb3 b5 11. Nd4 Qc7 12. Nxc6 Qxc6 13. a4 Rb8 14. axb5 axb5 15.
O-O Nf6 16. f3 O-O 17. Ra7 Bd8 18. Rfa1 Bb6 19. Bxb6 Qxb6+ 20. Kh1 Rfc8 21. Qb4 Qc5
22. Qxc5 dxc5 23. e5 b4 24. Ne2 Nd5 25. Rd7 Nb6 26. Re7 Nd5 27. Rd7 Nb6 28. Re7 Nd5
 1/2-1/2

[Event "Campeonato Brasileiro Amador 2023 - U2300 STD"]
[Site "Sao Paulo"]
[Date "2023.06.11"]
[Round "7"]
[Board "14"]
[White "Fernandes, Felipe Gambini"]
[Black "Cardozo, Matheus Santos"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1850"]
[BlackElo "1822"]
[PlyCount "23"]
[EventDate "2023.06.08"]
[EventRounds "7"]
[EventCountry "BRA"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. Nc3 Bg7 5. Bf4 cxd4 6. Nxd4 d6 7. Nf3 O-O 8. e3 Nc6
9. Be2 Bd7 10. O-O Rc8 11. Rc1 a6 12. h3  0-1