[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.21"]
[Round "6"]
[White "Pimenta, Elisandro da Silva"]
[Black "Da Silva, Mateus Santiago"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1853"]
[BlackElo "1623"]
[PlyCount "63"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Bd7 9. Ba4 Be7 10. 0-0 0-0 11. Nc3 Qc7 12. d3 Nb7 13. Qg3 Nc5 14. Bb3 Nxb3 15. axb3 h6 16. Nf3 Bd6 17. Bxh6 Ne8 18. Ne4 f6 19. d4 exd4 20. Nxd6 Qxd6 21. Bf4 Qc5 22. Nxd4 Qxd4 23. Rad1 Qxb2 24. Rxd7 Qxc2 25. Rc1 Qe2 26. Qg6 Qe6 27. Rd3 Qf7 28. Qf5 Rd8 29. Rxd8 Qxb3 30. Rd3 Qb4 31. Rh3 g5 32. Qh7# 1-0

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.20"]
[Round "3"]
[White "Balbys, Fernanda Santoro Bo"]
[Black "Da Silva, Mateus Santiago"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1679"]
[BlackElo "1623"]
[PlyCount "104"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. g3 e5 7. Bg2 Nc6 8. d5 Ne7 9. 0-0 c6 10. h3 cxd5 11. cxd5 Bd7 12. Be3 Ne8 13. Qb3 b6 14. Qb4 f5 15. Rac1 f4 16. Bd2 Bh6 17. g4 Nc8 18. Nb5 a6 19. Nc3 Rf7 20. Qc4 b5 21. Qd3 b4 22. Ne2 Bb5 23. Rc4 Bxc4 24. Qxc4 a5 25. Qc6 Raa7 26. h4 Qd7 27. Qxd7 Rfxd7 28. g5 Bg7 29. Bh3 Rdc7 30. Nc1 Rc2 31. Rd1 Nb6 32. b3 Nc7 33. Bf1 Na6 34. Bd3 Rcc7 35. Ne2 Nc5 36. Bb1 h6 37. Bc1 a4 38. Bd2 axb3 39. axb3 Nxb3 40. Bxb4 Nc5 41. Nd2 Nba4 42. Bc2 hxg5 43. hxg5 Bf8 44. Kg2 Be7 45. Nf3 Rcb7 46. Ba3 Nd7 47. Ra1 Nac5 48. Nc3 Nb3 49. Ra2 Ndc5 50. Kh3 Bd8 51. Kg4 Ba5 52. Ne2 Bb4 0-1

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.20"]
[Round "5"]
[White "Da Silva, Mateus Santiago"]
[Black "Caetano, Ryan Wesley da Cost"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1623"]
[BlackElo "1796"]
[PlyCount "94"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Nf3 Bg7 6. Qc2 0-0 7. e4 e6 8. Bg5 h6 9. Bh4 exd5 10. cxd5 a6 11. a4 g5 12. Bg3 Nh5 13. Be2 f5 14. exf5 Bxf5 15. Qd2 Nxg3 16. hxg3 Nd7 17. 0-0 Ne5 18. Rfe1 Nxf3+ 19. Bxf3 Re8 20. g4 Bg6 21. Re2 Qd7 22. b3 Rxe2 23. Bxe2 Re8 24. Re1 Qc7 25. Na2 Qe7 26. Kf1 Qe5 27. Bc4 Qxe1+ 28. Qxe1 Rxe1+ 29. Kxe1 Bb2 30. Kd2 Kf7 31. Bd3 Bxd3 32. Kxd3 Kf6 33. Ke4 b6 34. f3 b5 35. axb5 axb5 36. b4 c4 37. g3 Kg6 38. f4 gxf4 39. gxf4 h5 40. f5+ Kg5 41. gxh5 Kxh5 42. f6 Kg6 43. f7 Kxf7 44. Ke3 Kf6 45. Kd2 Ke5 46. Nc3 Bxc3+ 47. Kxc3 Kxd5 0-1

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.20"]
[Round "4"]
[White "Reichmann, Hugo Bayer"]
[Black "Da Silva, Mateus Santiago"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1623"]
[PlyCount "123"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. f3 Qxc6 7. Nc3 Ne7 8. Bc4 0-0 9. Bb5 Qb6 10. Qe2 Qg6 11. Bf4 d6 12. 0-0-0 a6 13. Bd3 Qe6 14. Bc4 Qd7 15. e5 Qf5 16. Qe4 dxe5 17. Qxe5 Qxe5 18. Bxe5 c6 19. Rhe1 Ng6 20. Bd6 Bxd6 21. Rxd6 Nf4 22. Ne4 Nxg2 23. Rg1 Nf4 24. Ng5 Bf5 25. Rgd1 Rae8 26. Nxf7 Be6 27. Bxe6 Rxe6 28. Rxe6 Nxe6 29. Nd6 b5 30. Rf1 Nd4 31. f4 Ne2+ 32. Kd2 Nxf4 33. Nb7 Ne6 34. Rxf8+ Kxf8 35. Nd6 Ng5 36. Ke3 Ke7 37. Nb7 Ne6 38. Ke4 Kf6 39. Nd6 g5 40. c4 h5 41. cxb5 cxb5 42. Kf3 Ke5 43. Nf7+ Kd4 44. Ke2 g4 45. Nd6 Ke5 46. Nb7 h4 47. Kf2 Kd4 48. Na5 Kd3 49. b3 Nd4 50. Nb7 Ne6 51. b4 Kc4 52. a3 Nd4 53. Nc5 Nc2 54. Nxa6 Nxa3 55. Kg2 Nc2 56. h3 g3 57. Nc5 Nxb4 58. Ne4 Nd3 59. Nxg3 Nf4+ 60. Kh2 hxg3+ 61. Kxg3 Nxh3 62. Kxh3 0-1

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.19"]
[Round "2"]
[White "Da Silva, Mateus Santiago"]
[Black "Dall Orsoletta, Alaize"]
[Result "0-1"]
[ECO "E83"]
[WhiteElo "1623"]
[BlackElo "1970"]
[PlyCount "72"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 a6 8. h4 h5 9. Nh3 Rb8 10. Nf2 e5 11. d5 Nd4 12. 0-0-0 c5 13. Bd3 Bd7 14. Rdg1 b5 15. cxb5 axb5 16. Bh6 Qa5 17. Bxg7 Kxg7 18. Kb1 Ra8 19. b3 Rfb8 20. Qb2 c4 21. b4 Qa7 22. Bf1 Rb6 23. Nfd1 Ra6 24. Be2 Ra3 25. g4 Rh8 26. g5 Ne8 27. Rf1 f5 28. gxf6+ Nxf6 29. f4 Bg4 30. Bxg4 Nxg4 31. fxe5 Nxe5 32. Qf2 Re8 33. Qf6+ Kh7 34. Qf2 Rb3+ 35. Ka1 Rxb4 36. Qd2 Nb3+ 0-1

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.19"]
[Round "1"]
[White "Da Silva, Mateus Santiago"]
[Black "Mariani, Daniel Brandao"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1623"]
[BlackElo "1975"]
[PlyCount "80"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. e3 0-0 6. Nf3 c5 7. a3 Bxc3+ 8. bxc3 b6 9. Be2 Ba6 10. cxd5 Bxe2 11. Qxe2 exd5 12. 0-0 Nc6 13. Rb1 Re8 14. Qb5 Rc8 15. Rd1 Ne4 16. Qd3 Qf6 17. Bb2 Na5 18. a4 Nc4 19. Bc1 g5 20. Rf1 Re6 21. Nd2 cxd4 22. cxd4 Qg6 23. Nxe4 Nd6 24. f3 dxe4 25. fxe4 Qxe4 26. Qxe4 Nxe4 27. Rf5 Rec6 28. Ba3 Rc3 29. Re5 Nd2 30. Rxg5+ Kh8 31. Rd1 Ne4 32. Re5 f5 33. Be7 Rxe3 34. Rxf5 Rc7 35. Bb4 Kg7 36. Rdf1 Re2 37. d5 Rcc2 38. Bf8+ Kg6 39. R5f2 Nxf2 40. Rxf2 Rxf2 0-1

[Event "Icara op U2200 1st"]
[Site "Icara"]
[Date "2016.08.07"]
[Round "6"]
[White "Da Silva, Mateus Santiago"]
[Black "Pimentel, Sahra"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1623"]
[PlyCount "83"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Bg5 e6 5. cxd5 Be7 6. dxe6 Bxe6 7. Nf3 Nc6 8. e3 0-0 9. Bd3 h6 10. Bh4 Bg4 11. h3 Bh5 12. g4 Bg6 13. Bg3 Nb4 14. Bxg6 fxg6 15. Ne5 Qe8 16. a3 Nc6 17. Qc2 Nxe5 18. Bxe5 Qc6 19. 0-0-0 Rad8 20. Qxg6 Qe8 21. Qc2 b6 22. Kb1 a5 23. Qb3+ Kh8 24. Bxc7 Rd7 25. Qxb6 Nh7 26. f4 Rf6 27. Qxa5 Bd6 28. Bxd6 Rdxd6 29. Qb5 Qxe3 30. Qe5 Qxf4 31. Qxf4 Rxf4 32. d5 Nf6 33. Rhe1 Rf3 34. Re6 Rd7 35. d6 Rxh3 36. Re7 Rxe7 37. dxe7 Kg8 38. Nd5 Kf7 39. Re1 Rd3 40. Nxf6 gxf6 41. e8Q+ Kg7 42. Re7# 1-0

[Event "Icara op U2200 1st"]
[Site "Icara"]
[Date "2016.08.07"]
[Round "7"]
[White "Nicoladeli, Isadora Da Rocha"]
[Black "Da Silva, Mateus Santiago"]
[Result "0-1"]
[ECO "C99"]
[WhiteElo "1389"]
[BlackElo "1623"]
[PlyCount "96"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. dxe5 dxe5 15. Nf1 Rd8 16. Qe2 Be6 17. Bg5 Nd4 18. Nxd4 Rxd4 19. Rac1 Qb7 20. Nh2 h6 21. Bh4 Bb4 22. Red1 Rxd1+ 23. Rxd1 Nd7 24. a3 Bc5 25. Nf3 f6 26. b4 Be7 27. Qd3 Rd8 28. Bb3 Qb6 29. Qc2 Bxb3 30. Qxb3+ Kh8 31. Qf7 Nb8 32. Rxd8+ Qxd8 33. Nxe5 Qd1+ 34. Kh2 Bd6 35. Bg3 fxe5 36. Bxe5 Bxe5+ 37. f4 Bd4 38. Qf8+ Kh7 39. Qf5+ Kg8 40. Qd5+ Kf8 41. Qf5+ Ke7 42. Kg3 Qe1+ 43. Kg4 Qe2+ 44. Kh4 Nd7 45. Qg6 Qf2+ 46. g3 Bf6+ 47. Kg4 Nf8 48. Qh5 Qe2+ 0-1

[Event "Icara op U2200 1st"]
[Site "Icara"]
[Date "2016.08.07"]
[Round "5"]
[White "Senger, Maria Clara da Silv"]
[Black "Da Silva, Mateus Santiago"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1236"]
[BlackElo "1623"]
[PlyCount "93"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. h3 d6 5. e3 0-0 6. c3 Re8 7. Be2 c6 8. 0-0 Qc7 9. Nbd2 Nbd7 10. Re1 e5 11. dxe5 dxe5 12. Bh2 Qd8 13. Nb3 e4 14. Nfd2 Nb6 15. Nc4 Nxc4 16. Bxc4 Nd5 17. Qd2 Be5 18. Bxd5 Qxd5 19. Qxd5 cxd5 20. Red1 Bxh2+ 21. Kxh2 Rd8 22. Rd2 b6 23. Rad1 Bb7 24. c4 Rd6 25. cxd5 Rad8 26. a3 Rxd5 27. Rxd5 Rxd5 28. Rxd5 Bxd5 29. Nd2 Kf8 30. Kg3 Ke7 31. Kf4 Ke6 32. Nxe4 Bxe4 33. Kxe4 f5+ 34. Kd4 Kd6 35. g4 Ke6 36. f4 a6 37. b3 h6 38. b4 b5 39. gxf5+ Kxf5 40. Kd5 h5 41. Kd4 h4 42. e4+ Kxf4 43. e5 Kg3 44. e6 Kxh3 45. e7 Kg2 46. e8Q h3 47. Qxg6+ 1-0

[Event "Icara op U2200 1st"]
[Site "Icara"]
[Date "2016.08.06"]
[Round "3"]
[White "Alves, Vinicius da Costa"]
[Black "Da Silva, Mateus Santiago"]
[Result "1/2-1/2"]
[ECO "C45"]
[BlackElo "1623"]
[PlyCount "42"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Be2 0-0 8. 0-0 d5 9. Nxc6 Qxc6 10. exd5 Nxd5 11. Bxc5 Qxc5 12. Qd4 Qxd4 13. cxd4 Be6 14. Nc3 Nb6 15. Rad1 c6 16. b3 Nd5 17. Nxd5 Bxd5 18. Bc4 Rad8 19. Rfe1 Bxc4 20. bxc4 Rfe8 21. Kf1 Kf8 1/2-1/2

[Event "Icara op U2200 1st"]
[Site "Icara"]
[Date "2016.08.06"]
[Round "4"]
[White "Da Silva, Mateus Santiago"]
[Black "Librelato, Ana Julia Goulart"]
[Result "1/2-1/2"]
[ECO "E88"]
[WhiteElo "1623"]
[BlackElo "1614"]
[PlyCount "93"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. 0-0-0 b5 11. Kb1 Nbd7 12. Rc1 Nb6 13. h4 Bd7 14. g4 Rc8 15. Bd3 Nc4 16. Bxc4 Rxc4 17. Nh3 Qb8 18. Nf2 Rfc8 19. Nd3 b4 20. Ne2 b3 21. Nc3 bxa2+ 22. Kxa2 a5 23. Ne2 Ba4 24. Rxc4 Rxc4 25. Rc1 Bb3+ 26. Kb1 a4 27. Rxc4 Bxc4 28. Qc3 Qb5 29. Nec1 Ne8 30. Kc2 Bf6 31. g5 Bd8 32. Qb4 Ba5 33. Qxb5 Bxb5 34. Bd2 Bb6 35. Be1 Kf8 36. Na2 Bd4 37. Nc3 Bd7 38. Nb4 Nc7 39. Nc6 Bc5 40. Nxa4 Bg1 41. Nc3 Bh3 42. Kd3 Bf1+ 43. Ne2 Na6 44. b4 Nc7 45. Kd2 Bb6 46. Nc1 Nb5 47. Nb3 1/2-1/2

[Event "Icara op U2200 1st"]
[Site "Icara"]
[Date "2016.08.06"]
[Round "2"]
[White "Da Silva, Mateus Santiago"]
[Black "Mariani, Daniel Brandao"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1623"]
[BlackElo "1975"]
[PlyCount "60"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 0-0 8. Qd2 c5 9. Nf3 Qa5 10. Bc4 Nc6 11. Rd1 Bg4 12. 0-0 Rfd8 13. Qb2 Rd7 14. Rd2 Bxf3 15. gxf3 Rad8 16. Rfd1 cxd4 17. cxd4 Qh5 18. Kg2 a6 19. e5 e6 20. Qb6 Ne7 21. Be2 Qh4 22. Rc2 Nd5 23. Qb3 Bh6 24. Rdc1 Bf4 25. Bxf4 Nxf4+ 26. Kh1 Rxd4 27. Qxb7 Qg5 28. Rg1 Rd1 29. Bxd1 Rxd1 30. Qc8+ Kg7 0-1

[Event "Icara op U2200 1st"]
[Site "Icara"]
[Date "2016.08.05"]
[Round "1"]
[White "Goulart, Nicoli Claudino"]
[Black "Da Silva, Mateus Santiago"]
[Result "0-1"]
[ECO "C68"]
[BlackElo "1623"]
[PlyCount "58"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 Bg4 6. Nbd2 exd4 7. h3 Bh5 8. a3 Nf6 9. b3 c5 10. Bb2 Be7 11. 0-0 0-0 12. Re1 Qd7 13. Qe2 b5 14. Rad1 c6 15. Nf1 Qc7 16. Ng3 Bg6 17. Nh4 Rad8 18. Nxg6 fxg6 19. Rd3 Rde8 20. c4 Bd6 21. Qf3 Nxe4 22. Nxe4 Rxf3 23. Rxf3 Rf8 24. Nxd6 Qxd6 25. Rxf8+ Qxf8 26. Bc1 Qf5 27. f3 Qc2 28. Bf4 d3 29. Kh1 d2 0-1

[Event "BRA-ch U20"]
[Site "Icara"]
[Date "2016.06.26"]
[Round "6"]
[White "Da Silva, Mateus Santiago"]
[Black "Ikeda, Vinicius Yasuto"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1591"]
[BlackElo "2024"]
[PlyCount "98"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 Be6 7. Bd3 Nbd7 8. Nf3 0-0 9. 0-0 h6 10. Bh4 Re8 11. Rc1 Rc8 12. Bg3 a6 13. h3 c5 14. dxc5 Nxc5 15. Bb1 Qb6 16. Qe2 Nfe4 17. Be5 Bf8 18. Rfd1 Rcd8 19. Bd4 Qa5 20. Ne5 Bd6 21. Nd3 Nxd3 22. Qxd3 g6 23. Nxe4 dxe4 24. Qxe4 Qg5 25. Bb6 Rd7 26. h4 Qh5 27. f3 f5 28. Qa4 Rf8 29. Rd3 f4 30. e4 Rff7 31. Rcd1 Qe5 32. Bd4 Bc5 33. Kh1 Bxd4 34. Rxd4 b5 35. Qb4 Qf6 36. Rxd7 Qxh4+ 37. Kg1 Rxd7 38. Rxd7 Bxd7 39. Qb3+ Kg7 40. Qc3+ Qf6 41. e5 Qe6 42. b3 Bc6 43. Qd4 Qd7 44. Qxf4 Qd1+ 45. Kh2 Qxb1 46. Qf6+ Kh7 47. Qf7+ Kh8 48. Qf8+ Kh7 49. Qf7+ Kh8 1/2-1/2

[Event "BRA-ch U20"]
[Site "Icara"]
[Date "2016.06.26"]
[Round "7"]
[White "Espindola Junior, Peterson"]
[Black "Da Silva, Mateus Santiago"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1647"]
[BlackElo "1591"]
[PlyCount "133"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 Nc6 3. e3 d5 4. Be2 g6 5. b3 Bg7 6. Bb2 0-0 7. 0-0 Re8 8. Qe1 a6 9. Qh4 h6 10. Ne5 Nxe5 11. fxe5 Ne4 12. d3 Nc5 13. Ba3 Ne6 14. Bb2 c5 15. Nd2 d4 16. exd4 Nxd4 17. Qf2 Be6 18. Bxd4 Qxd4 19. Nf3 Qxf2+ 20. Rxf2 b6 21. h3 Rad8 22. Rd1 Bd5 23. Re1 Bb7 24. Ref1 f6 25. exf6 exf6 26. Nh4 Kh7 27. Bf3 Bc8 28. Bd1 f5 29. Nf3 g5 30. Kh1 Re7 31. Re2 Rde8 32. Rfe1 Rxe2 33. Rxe2 Rxe2 34. Bxe2 g4 35. hxg4 fxg4 36. Nd2 h5 37. Nc4 b5 38. Nd6 Bd7 39. Ne4 c4 40. dxc4 b4 41. Bd3 Kg8 42. Nc5 Bc8 43. Bg6 h4 44. Be8 a5 45. Bd7 Bxd7 46. Nxd7 g3 47. Nc5 Be5 48. Nd7 Bc7 49. Nf6+ Kf7 50. Nd5 Bd8 51. Kg1 Ke6 52. c3 bxc3 53. Nxc3 Kd6 54. Kf1 Kc5 55. Ke2 Kd4 56. Nb5+ Kc5 57. Kf3 a4 58. Kg4 axb3 59. axb3 Kb4 60. Nd6 Bb6 61. Kxh4 Kxb3 62. Kxg3 Bc7 63. c5 Kb4 64. Kg4 Kxc5 65. Ne4+ Kd5 66. Kf5 Kd4 67. g4 1/2-1/2

[Event "BRA-ch U20"]
[Site "Icara"]
[Date "2016.06.25"]
[Round "5"]
[White "Da Silva, Mateus Santiago"]
[Black "Pereira da Silva, Evernandes"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1591"]
[BlackElo "1768"]
[PlyCount "94"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Nf3 c6 7. e3 Bf5 8. Bd3 Ne4 9. Bxe7 Qxe7 10. 0-0 0-0 11. Qc2 Nd7 12. Bxe4 dxe4 13. Nd2 Rfe8 14. a3 Qh4 15. f3 Qg5 16. f4 Qg6 17. Ne2 Nf6 18. Ng3 Nd5 19. Rfe1 h5 20. Nc4 h4 21. Nxf5 Qxf5 22. Nd6 Qg4 23. Nxe8 Rxe8 24. Qe2 Qf5 25. h3 Re6 26. Qg4 Qh7 27. Qd1 Qf5 28. Qg4 Qh7 29. Rac1 f5 30. Qd1 Rg6 31. Qa4 Rg3 32. Qxa7 Rxg2+ 33. Kxg2 Qg6+ 34. Kh1 Qg3 35. Qb8+ Kh7 36. Qf8 Qxh3+ 37. Kg1 Qg4+ 38. Kh2 Qg3+ 39. Kh1 Qh3+ 40. Kg1 Nxe3 41. Rxe3 Qxe3+ 42. Kg2 Qg3+ 43. Kh1 Qh3+ 44. Kg1 Qg4+ 45. Kh1 Qf3+ 46. Kh2 Qf2+ 47. Kh1 Qf3+ 1/2-1/2

[Event "BRA-ch U20"]
[Site "Icara"]
[Date "2016.06.25"]
[Round "4"]
[White "Pereira, Luiz Henrique Campo"]
[Black "Da Silva, Mateus Santiago"]
[Result "0-1"]
[ECO "A70"]
[BlackElo "1591"]
[PlyCount "60"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Na3 g6 3. Be3 Bg7 4. Nf3 d6 5. h3 0-0 6. g4 Nd5 7. Qd2 Nxe3 8. Qxe3 Re8 9. 0-0-0 Nd7 10. Nc4 a5 11. h4 b5 12. Bg2 bxc4 13. Ne5 Nxe5 14. Bxa8 Nxg4 15. Qg3 d5 16. f3 Ne3 17. Rde1 Bxd4 18. Bc6 Bd7 19. Bb7 Qb8 20. c3 Nf5 21. Qh2 Be3+ 22. Kc2 Qxb7 23. h5 g5 24. f4 Bxf4 25. Qf2 Ne3+ 26. Kb1 Bf5+ 27. Ka1 Nc2+ 28. Kb1 Rb8 29. b4 Qxb4+ 30. cxb4 Rxb4# 0-1

[Event "BRA-ch U20"]
[Site "Icara"]
[Date "2016.06.24"]
[Round "2"]
[White "Da Silva, Mateus Santiago"]
[Black "Leacima, Giovane Santiago"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1591"]
[BlackElo "1714"]
[PlyCount "70"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Be2 c5 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. e5 Qd7 13. Qd2 Rfd8 14. Rfd1 Rac8 15. Rac1 f6 16. h3 Bxf3 17. Bxf3 e6 18. exf6 Bxf6 19. Bxc6 Rxc6 20. Rxc6 Qxc6 21. Qa5 b6 22. Qa3 Qd7 23. Qb3 Qd5 24. Qc2 e5 25. f3 exd4 26. Bf2 d3 27. Qa4 Rd7 28. Be3 Re7 29. Bd2 Qc5+ 30. Kh1 Qc2 31. Qb3+ Kg7 32. Qxc2 dxc2 33. Rc1 Rc7 34. Bf4 Rc4 35. Be3 Bb2 0-1

[Event "BRA-ch U20"]
[Site "Icara"]
[Date "2016.06.23"]
[Round "1"]
[White "Souza dos Santos, Matheus Garcett"]
[Black "Da Silva, Mateus Santiago"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1967"]
[BlackElo "1591"]
[PlyCount "62"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Bxf6 Bxf6 5. e4 d6 6. c3 0-0 7. Bd3 Bg4 8. Nbd2 Nd7 9. Qe2 e5 10. h3 Bxf3 11. Nxf3 Re8 12. d5 c6 13. c4 cxd5 14. cxd5 a6 15. 0-0 Qb6 16. b4 Rec8 17. b5 a5 18. Rfc1 Rc5 19. Rc2 Rac8 20. Rac1 Bg7 21. g4 Qd8 22. Qd2 Qf6 23. Kg2 b6 24. Qe3 Qd8 25. Rxc5 Rxc5 26. Rxc5 Nxc5 27. Nd2 Bf8 28. Nb3 Qc7 29. Nxc5 Qxc5 30. Qxc5 dxc5 31. Kg3 g5 1/2-1/2

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.19"]
[Round "6"]
[White "Da Silva, Mateus Santiago"]
[Black "Longo, Marcia de Souza"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "1619"]
[PlyCount "47"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 c6 4. e4 Nbd7 5. f3 g6 6. Be3 Bg7 7. Qd2 h5 8. Bd3 b6 9. 0-0-0 Bb7 10. Kb1 c5 11. d5 Ne5 12. Be2 a6 13. Nh3 Qc7 14. Nf2 Bc8 15. b3 Bd7 16. Nd3 Nxd3 17. Bxd3 0-0-0 18. Qb2 Ne8 19. b4 Ba4 20. Rc1 Kd7 21. Qa3 Bxc3 22. Qxa4+ b5 23. cxb5 Bxb4 24. b6+ 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.19"]
[Round "5"]
[White "De Arruda Filho, Raul Jose Matos"]
[Black "Da Silva, Mateus Santiago"]
[Result "1/2-1/2"]
[ECO "E88"]
[BlackElo "1619"]
[PlyCount "89"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. Bd3 Nbd7 11. Nge2 b5 12. 0-0 Nb6 13. b3 Nfd7 14. g4 Nc5 15. Ng3 Nxd3 16. Qxd3 Bd7 17. Rac1 b4 18. Nce2 Bb5 19. Qd2 a5 20. Bh6 Qe7 21. Bxg7 Kxg7 22. Qe3 Nd7 23. Kg2 Nc5 24. h4 Rac8 25. h5 Kg8 26. Rh1 Rc7 27. Rcg1 Rfc8 28. Rh2 Bxe2 29. Nxe2 Nd7 30. Kh1 Rc2 31. Rc1 Rxc1+ 32. Nxc1 Rc3 33. Qg1 Rxf3 34. Ne2 Qf6 35. Qa7 Rf1+ 36. Ng1 Qd8 37. Qa6 Qf6 38. Qa7 Qf3+ 39. Rg2 Nf6 40. Qb8+ Kg7 41. h6+ Kxh6 42. g5+ Kg7 43. gxf6+ Qxf6 44. Qb6 Qh4+ 45. Rh2 1/2-1/2

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.18"]
[Round "4"]
[White "Da Silva, Mateus Santiago"]
[Black "Fonseca, Luis Ernesto Serra"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "1619"]
[BlackElo "2033"]
[PlyCount "88"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 h6 4. Bh4 c5 5. Nc3 cxd4 6. Qxd4 Nc6 7. Qd1 Bb4 8. e3 g5 9. Bg3 Ne4 10. Qc2 Qa5 11. Rc1 Nxg3 12. hxg3 Qxa2 13. Be2 Bxc3+ 14. Qxc3 Qa5 15. Nf3 Qxc3+ 16. Rxc3 f6 17. Nd2 d6 18. Ne4 Ke7 19. Rd3 Ne5 20. Rd2 Bd7 21. Nxd6 Bc6 22. 0-0 h5 23. b4 a6 24. c5 h4 25. Nc4 Nxc4 26. Bxc4 hxg3 27. fxg3 Rad8 28. Rfd1 Rxd2 29. Rxd2 Rc8 30. Rd6 Bd7 31. Kf2 Rc7 32. Be2 Rc6 33. Rxc6 Bxc6 34. Bf3 Kd7 35. Ke2 Bxf3+ 36. gxf3 Kc6 37. Kd3 Kb5 38. Kc3 a5 39. bxa5 Kxc5 40. e4 Kb5 41. Kd4 Kxa5 42. Kc5 b5 43. Kd6 b4 44. Kxe6 b3 0-1

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.17"]
[Round "2"]
[White "Da Silva, Mateus Santiago"]
[Black "Sarda, Joao Sada"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1619"]
[PlyCount "23"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. c4 Ne4 6. Qb3 c6 7. cxd5 Qa5+ 8. Nbd2 cxd5 9. Qxb7 Bg4 10. Bb5+ Kd8 11. Bxb8 Bxf3 12. Qd7# 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.17"]
[Round "3"]
[White "Ribeiro, Jose Joselito"]
[Black "Da Silva, Mateus Santiago"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1896"]
[BlackElo "1619"]
[PlyCount "53"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bb5 dxe4 7. Nxe5 Qd5 8. Bxc6+ bxc6 9. d4 exd3 10. 0-0 Bd6 11. Nxd3 0-0 12. Be3 f5 13. Nf4 Qf7 14. Qd4 Bb7 15. Rfe1 c5 16. Qc3 c4 17. h4 Rae8 18. Rad1 Be5 19. Qa3 Qf6 20. Qb4 Ba8 21. Qxc4+ Kh8 22. Nd3 Qg6 23. g4 fxg4 24. Nxe5 Rxe5 25. Bf4 Ref5 26. Qxc7 Qh5 27. Bg3 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.16"]
[Round "1"]
[White "Vargas, Gabriela"]
[Black "Da Silva, Mateus Santiago"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2091"]
[BlackElo "1619"]
[PlyCount "49"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. c3 0-0 5. Nbd2 d6 6. e4 h6 7. Bh4 g5 8. Bg3 Bg4 9. Be2 Nh5 10. 0-0 Nxg3 11. hxg3 Nc6 12. Nc4 e5 13. dxe5 Bxf3 14. Bxf3 Nxe5 15. Ne3 Kh7 16. Bg4 Rh8 17. Bh5 Ng6 18. Qb3 Qd7 19. Rad1 Rhe8 20. Bg4 Qd8 21. Qxf7 Ne5 22. Bf5+ Kh8 23. Qh5 Nd7 24. Ng4 Nf6 25. Qg6 1-0

[Event "BRA-ch U18 29th"]
[Site "Lages"]
[Date "2015.05.15"]
[Round "2"]
[White "Da Silva, Mateus Santiago"]
[Black "Goncalves, Ruan Lucas Alves"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1599"]
[BlackElo "1956"]
[PlyCount "74"]
[EventDate "2015.05.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. e4 g6 7. h3 Bg7 8. Be3 0-0 9. Qd2 Bd7 10. Be2 a6 11. g4 Rb8 12. 0-0-0 b5 13. cxb5 Nxd4 14. Bxd4 axb5 15. f3 Qa5 16. a3 b4 17. Na2 Qc7+ 18. Kb1 bxa3 19. b4 Be6 20. Rc1 Qb7 21. Bc4 Nxe4 22. Qd1 Bxc4 23. Rxc4 Nf6 24. Qd3 e5 25. Bf2 d5 26. Rc5 e4 27. Qxa3 exf3 28. Qxf3 Ne4 29. Rc2 d4 30. Qd3 Nc3+ 31. Nxc3 dxc3 32. Bc5 Qxh1+ 33. Rc1 Qb7 34. Bxf8 Kxf8 35. Qd6+ Kg8 36. Kc2 Qg2+ 37. Kb1 Qb2# 0-1

[Event "BRA-ch U18"]
[Site "Tres Rios"]
[Date "2014.05.11"]
[Round "6"]
[White "Da Silva, Mateus Santiago"]
[Black "Oliveira, Jose Pedro Machado"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "88"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5 10. Bxb4 Qxb4+ 11. Qd2 Qxd2+ 12. Nxd2 0-0 13. Bc4 Nd7 14. 0-0 Nb6 15. Bb3 Rd8 16. Nf3 Bd7 17. a4 a5 18. Rfd1 Bc6 19. Bc2 Rac8 20. Rdb1 Nc4 21. Bd3 Nd6 22. Nd2 Ne8 23. Nb3 b6 24. f3 Nf6 25. Rc1 Bb7 26. Rc2 Rxc2 27. Bxc2 Ba6 28. Rc1 Rc8 29. Kf2 Kf8 30. Bd1 Rxc1 31. Nxc1 Bc4 32. Be2 Bxe2 33. Nxe2 Ke7 34. Nc3 Kd7 35. Ke3 Kc6 36. Kd3 h6 37. Kc4 g6 38. d5+ exd5+ 39. Nxd5 Nxd5 40. exd5+ Kd6 41. Kb5 Kxd5 42. Kxb6 f6 43. Kxa5 Kc6 44. g3 h5 1/2-1/2

[Event "BRA-ch U18"]
[Site "Tres Rios"]
[Date "2014.05.10"]
[Round "5"]
[White "Da Silva, Mateus Santiago"]
[Black "Leite Filho, Mario Tomaz"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "106"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 0-0 6. Qc2 Nc6 7. Be2 d5 8. 0-0 cxd4 9. cxd5 exd5 10. exd4 Qb6 11. Be3 Be6 12. a3 Be7 13. Ng5 Nxd4 14. Bxd4 Qxd4 15. Rad1 Qe5 16. Nf3 Qc7 17. Nd4 Rac8 18. Rd3 Ne4 19. f4 Bc5 20. f5 Bd7 21. Kh1 Bxd4 22. Rxd4 Nxc3 23. bxc3 Qxc3 24. Qxc3 Rxc3 25. Rxd5 Bc6 26. Rd3 Rxd3 27. Bxd3 Rd8 28. Be2 Rd2 29. Re1 Kf8 30. Kg1 Ra2 31. Kf2 Bb5 32. Ke3 Rxa3+ 33. Kd4 Bxe2 34. Rxe2 Ra5 35. Rc2 Rxf5 36. Rc8+ Ke7 37. Rc7+ Kf6 38. Rxb7 Rf2 39. Rxa7 Rxg2 40. Ra6+ Kg5 41. Ra5+ Kh4 42. Ke3 Rg5 43. Ra4+ Rg4 44. Ra7 f5 45. Kf3 h5 46. Ra5 f4 47. Ra4 g5 48. Ra1 Kh3 49. Ra2 Rg1 50. Rf2 Re1 51. Rg2 Re3+ 52. Kf2 Re2+ 53. Kxe2 Kxg2 0-1

[Event "BRA-ch U18"]
[Site "Tres Rios"]
[Date "2014.05.10"]
[Round "4"]
[White "Magalhaes Neves Gomes, Luis Gustavo"]
[Black "Da Silva, Mateus Santiago"]
[Result "1-0"]
[ECO "C34"]
[PlyCount "65"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Nc6 4. Nf3 Nf6 5. e5 Ng4 6. d4 d5 7. Bb5 g5 8. h4 Be7 9. hxg5 Bxg5 10. Rh5 Rg8 11. Qd3 h6 12. Qh7 Kf8 13. c4 Ne7 14. Qd3 Bf5 15. Qe2 Ng6 16. cxd5 Nh4 17. Nc3 Bg6 18. Rxg5 hxg5 19. Nxh4 gxh4 20. Qxg4 Be4 21. Qxf4 Rxg2 22. Nxe4 Qxd5 23. Qh6+ Rg7 24. Qh8+ Ke7 25. Qxh4+ Kf8 26. Qh8+ Ke7 27. Qxg7 Qxe4+ 28. Be2 Rf8 29. Bg5+ Ke8 30. Qf6 Kd7 31. Qe7+ Kc6 32. Rc1+ Kd5 33. Qd7# 1-0

[Event "BRA-ch U18"]
[Site "Tres Rios"]
[Date "2014.05.09"]
[Round "3"]
[White "De Oliveira, Victor Gabriel C"]
[Black "Da Silva, Mateus Santiago"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2045"]
[PlyCount "37"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 Nf6 4. Nc3 d6 5. Bb5 Bg4 6. 0-0 g6 7. h3 Bd7 8. d3 Nd4 9. Bxd7+ Nxd7 10. fxe5 dxe5 11. Nxd4 exd4 12. Qf3 f6 13. Nd5 Bg7 14. Bf4 Rc8 15. Bg3 Ne5 16. Bxe5 fxe5 17. Qg4 Qd6 18. Qxc8+ Qd8 19. Qe6+ 1-0

[Event "BRA-ch U18"]
[Site "Tres Rios"]
[Date "2014.05.08"]
[Round "1"]
[White "Da Silva, Mateus Santiago"]
[Black "Souza, Gustavo Horokoski"]
[Result "0-1"]
[ECO "D13"]
[BlackElo "1826"]
[PlyCount "52"]
[EventDate "2014.05.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 e6 6. e3 Be7 7. Nf3 0-0 8. Bxf6 Bxf6 9. b4 Be7 10. a3 Nc6 11. Bd3 Bd7 12. e4 dxe4 13. Bxe4 Rc8 14. Qd3 f5 15. Bxc6 Bxc6 16. Rd1 Bd5 17. Nxd5 Qxd5 18. 0-0 Rcd8 19. Rfe1 Bf6 20. Rc1 Bxd4 21. Qxd4 Qxd4 22. Nxd4 Rxd4 23. Rxe6 Rfd8 24. Rce1 R8d7 25. R6e3 Kf7 26. g3 Rd1 0-1

