[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.03"]
[Round "10"]
[White "Pereira, Mateus de Oliveira"]
[Black "Pimentel, Lucas Dos Santos"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1345"]
[PlyCount "70"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 e5 7. dxe5 dxe5 8. Nxe5 Qxd1 9. Rxd1 Nxe4 10. Nxe4 Bxe5 11. f4 Bg7 12. g4 Nc6 13. c3 Re8 14. Bf3 Bxg4 15. Bxg4 Rxe4 16. Bf3 Re7 17. Bxc6 bxc6 18. Bd2 Re2 19. Bc1 Rb8 20. Rd7 Rb7 21. Rb1 Bxc3 22. Rd3 Bxb2 23. Bxb2 Rexb2 24. Rxb2 Rxb2 25. Rd7 Rb7 26. Kf1 Kf8 27. Ke2 Ke8 28. Rd2 Rb4 29. Ke3 c5 30. a3 Rb3+ 31. Rd3 c4 32. Rxb3 cxb3 33. Kd2 c5 34. Kc3 c4 35. a4 a5 0-1

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.02"]
[Round "9"]
[White "Bueno, Marcos Antonio Ferr"]
[Black "Pereira, Mateus de Oliveira"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1661"]
[PlyCount "39"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 Nc6 7. c3 e5 8. e4 dxe4 9. Nxe4 Nxe4 10. dxe4 Bg4 11. h3 Qxd1 12. Rxd1 Bxf3 13. Bxf3 Rfd8 14. Be3 h5 15. Be2 b6 16. Bb5 Rxd1+ 17. Rxd1 Rd8 18. Rxd8+ Nxd8 19. Kf1 Kh7 20. Ke2 1/2-1/2

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.01"]
[Round "7"]
[White "Pereira, Mateus de Oliveira"]
[Black "Fonseca, Rogerio da Silva"]
[Result "1-0"]
[ECO "C45"]
[BlackElo "1220"]
[PlyCount "85"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Qe5+ Qe7 7. Qxe7+ Bxe7 8. Bd3 Nf6 9. Nc3 Bb7 10. Bg5 0-0 11. h3 Rae8 12. f3 Nd5 13. Bxe7 Rxe7 14. Nxd5 Bxd5 15. c4 Bb7 16. 0-0-0 Re5 17. f4 Re7 18. g4 Bxe4 19. Bxe4 Rxe4 20. Rxd7 Rxc4+ 21. Kb1 Rc8 22. f5 f6 23. Rhd1 Re4 24. Rd8+ Rxd8 25. Rxd8+ Kf7 26. Ra8 a5 27. Rc8 c5 28. Rb8 Re1+ 29. Kc2 Re2+ 30. Kb3 a4+ 31. Ka3 Re3+ 32. Kxa4 Re4+ 33. Ka3 Rb4 34. b3 Rb5 35. Kb2 c4 36. Kc3 cxb3 37. axb3 Rc5+ 38. Kb4 Ke7 39. Rxb6 Rd5 40. Kc4 Rd6 41. Rb7+ Rd7 42. Rxd7+ Kxd7 43. Kc5 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.31"]
[Round "5"]
[White "Fogaca, Vinicius"]
[Black "Pereira, Mateus de Oliveira"]
[Result "1-0"]
[ECO "E85"]
[WhiteElo "1776"]
[PlyCount "43"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Be3 Nbd7 7. Nge2 Re8 8. Qd2 e5 9. d5 c6 10. g4 cxd5 11. cxd5 Re7 12. Ng3 a6 13. h4 h5 14. gxh5 Nxh5 15. Nxh5 gxh5 16. Bd3 Nf6 17. Bh6 Bxh6 18. Qxh6 Re8 19. Rg1+ Ng4 20. Qxh5 Kf8 21. fxg4 Qa5 22. Rf1 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.31"]
[Round "6"]
[White "Pereira, Mateus de Oliveira"]
[Black "Lopes, Wendell Evangelista"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "40"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d5 4. exd5 Qxd5 5. dxe5 Qxd1+ 6. Kxd1 Bg4 7. Be2 Bxf3 8. Bxf3 0-0-0+ 9. Bd2 Nxe5 10. b3 Bc5 11. Ke1 Nf6 12. h3 Nxf3+ 13. gxf3 Rhe8+ 14. Kf1 Rd5 15. Rg1 g6 16. b4 Bd6 17. Bc3 Nh5 18. Nd2 Be5 19. Nb1 Nf4 20. Bxe5 Rd1# 0-1

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.30"]
[Round "4"]
[White "Sovinski, Marcos Roberto"]
[Black "Pereira, Mateus de Oliveira"]
[Result "1/2-1/2"]
[ECO "B94"]
[WhiteElo "1800"]
[PlyCount "110"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Bxf6 Qxf6 8. Nd5 Qd8 9. Nf3 Be6 10. Bc4 b5 11. Bb3 Be7 12. 0-0 Nd7 13. Rc1 0-0 14. Re1 Nf6 15. Nxf6+ Bxf6 16. Bxe6 fxe6 17. c3 d5 18. exd5 exd5 19. Nxe5 Qd6 20. Ng4 Rad8 21. Nxf6+ Qxf6 22. Re2 d4 23. Qb3+ Kh8 24. cxd4 Qxd4 25. h3 h6 26. Qc3 b4 27. Qxd4 Rxd4 28. Rec2 Rf6 29. Rc6 Rxc6 30. Rxc6 Rd1+ 31. Kh2 Rd2 32. Rxa6 Rxf2 33. b3 Rd2 34. Ra4 Kh7 35. Rxb4 Rxa2 36. Rc4 Rb2 37. Rc3 h5 38. h4 Kh6 39. Kh3 g5 40. hxg5+ Kxg5 41. g3 Rb1 42. Kg2 Kg4 43. Rc4+ Kg5 44. b4 Rb2+ 45. Kh3 Rb3 46. Rc5+ Kg6 47. b5 Rb1 48. Kg2 Rb2+ 49. Kh3 Rb1 50. Rc6+ Kg5 51. b6 Rh1+ 52. Kg2 Rb1 53. Kf3 Rb3+ 54. Kg2 Rb2+ 55. Kf3 Rb3+ 1/2-1/2

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.29"]
[Round "2"]
[White "Damasceno, Enzo De Carvalho"]
[Black "Pereira, Mateus de Oliveira"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1692"]
[PlyCount "93"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. d3 Re8 8. Rb1 e5 9. Nd2 Qe7 10. b4 a6 11. a4 c6 12. b5 cxb5 13. axb5 axb5 14. Nxb5 Nc5 15. Nb3 Nxb3 16. Qxb3 Qd7 17. Ba3 Bf8 18. e4 b6 19. Ra1 h5 20. h4 Bb7 21. Bb2 Rxa1 22. Rxa1 Ra8 23. Rxa8 Bxa8 24. Bc1 Kh7 25. Be3 Qc6 26. Na7 Qc7 27. Qxb6 Qxb6 28. Bxb6 Nd7 29. Bc7 Nc5 30. Bf1 Nb7 31. Nb5 f5 32. exf5 gxf5 33. Bg2 Kg6 34. Bxb7 Bxb7 35. Bxd6 Bxd6 36. Nxd6 Bc6 37. f4 exf4 38. gxf4 Kf6 39. Kf2 Ke6 40. Nb5 Kd7 41. Ke3 Kc8 42. Kd4 Kb7 43. Nd6+ Kc7 44. Ke5 Bf3 45. Nxf5 Be2 46. Ke4 Kc6 47. Nd4+ 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.29"]
[Round "3"]
[White "Pereira, Mateus de Oliveira"]
[Black "De Lima, Lucas Taveira"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1427"]
[PlyCount "88"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Nc3 Qf6 7. Qe2 d6 8. Be3 Bb6 9. g3 Ne7 10. Bg2 0-0 11. 0-0 Ng6 12. Qf3 Qxf3 13. Bxf3 Bh3 14. Rfe1 Ne5 15. Bg2 Bxg2 16. Kxg2 Nc4 17. Bxb6 cxb6 18. b3 Ne5 19. h3 f6 20. f4 Nf7 21. a3 Rfe8 22. b4 b5 23. a4 a6 24. axb5 axb5 25. Rxa8 Rxa8 26. g4 Ra3 27. Re3 g5 28. f5 Ne5 29. Nd1 Rxe3 30. Nxe3 Kf7 31. Kg3 Ke7 32. h4 h6 33. hxg5 hxg5 34. Nd1 Kd7 35. Ne3 Kc7 36. Kf2 Kb6 37. Ke2 Nc4 38. Nxc4+ bxc4 39. c3 Kb5 40. Ke3 Ka4 41. Ke2 Kb3 42. Kd2 Kb2 43. Kd1 Kxc3 44. Kc1 Kxb4 0-1

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.28"]
[Round "1"]
[White "Pereira, Mateus de Oliveira"]
[Black "Santanna, Paulo"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "1894"]
[PlyCount "86"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 a6 4. a4 Nc6 5. 0-0 Qc7 6. d4 cxd4 7. Nxd4 Nf6 8. Nxc6 Qxc6 9. Qe2 Qxe4 10. Qxe4 Nxe4 11. Re1 Nf6 12. Nc3 Be7 13. b3 d5 14. Bd3 0-0 15. Ba3 Bxa3 16. Rxa3 Bd7 17. b4 Rfc8 18. h3 Rc7 19. Re2 Ne8 20. b5 d4 21. Nb1 axb5 22. axb5 Rxa3 23. Nxa3 Nd6 24. Re1 b6 25. Rc1 Kf8 26. Kf1 Ra7 27. Nc4 Nxc4 28. Bxc4 Ra4 29. Bd3 Rb4 30. c4 dxc3 31. Rb1 Rxb1+ 32. Bxb1 Bxb5+ 33. Ke1 Bc4 34. Kd1 b5 35. Bxh7 g6 36. g4 Kg7 37. Bxg6 Kxg6 38. f4 Bd3 39. f5+ exf5 40. gxf5+ Kxf5 41. Kc1 b4 42. h4 b3 43. h5 b2+ 0-1

