[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "7"]
[White "Amalio, N."]
[Black "De Souza Mendes, X."]
[Result "1-0"]
[ECO "C77"]
[PlyCount "59"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 a6 5. Ba4 b6 6. Bb3 d6 7. Ng5 Bg4 8. Bxf7+ Ke7 9. f3 Bh5 10. Ne6 Qc8 11. Bxh5 Nxh5 12. d5 Ke8 13. Nxf8 Rxf8 14. dxc6 Rf7 15. 0-0 Qe6 16. Nc3 Ra7 17. Be3 Ra8 18. Nd5 g5 19. Bxg5 Rg7 20. Be3 Qh3 21. Qe2 Kf7 22. f4 Kg8 23. fxe5 dxe5 24. Qf3 Qxf3 25. Rxf3 Kh8 26. Bh6 Rg6 27. Rf8+ Rxf8 28. Bxf8 Rxc6 29. c3 Rc4 30. Rf1 1-0

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "9"]
[White "Curtis, Ry"]
[Black "De Souza Mendes, X."]
[Result "1-0"]
[ECO "C65"]
[PlyCount "63"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 a6 5. Bxc6 dxc6 6. Nxe5 Bd6 7. Nf3 0-0 8. e5 Bxe5 9. Nxe5 Qd6 10. Nc4 Qc5 11. d3 Re8 12. Be3 Qf8 13. Nc3 Bg4 14. Qd2 Bh5 15. Bg5 Re6 16. Rae1 Rae8 17. Rxe6 Rxe6 18. Re1 Qe8 19. Rxe6 Qxe6 20. Qe3 Qxe3 21. Nxe3 Ne8 22. f4 Nd6 23. g4 f6 24. gxh5 fxg5 25. fxg5 h6 26. h4 Kh7 27. Ne4 hxg5 28. Nxd6 cxd6 29. hxg5 g6 30. h6 d5 31. Kf2 d4 32. Ng4 1-0

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "2"]
[White "De Souza Mendes, X."]
[Black "Doornbos, Yann"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "32"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d3 a6 5. Bxd7+ Bxd7 6. Nc3 e6 7. d4 cxd4 8. Qxd4 Nf6 9. e5 dxe5 10. Nxe5 Be7 11. Bg5 0-0 12. Qxd7 Nxd7 13. Bxe7 Qxe7 14. Nxd7 Qxd7 15. 0-0 Rad8 16. Rad1 Qe7 0-1

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "6"]
[White "De Souza Mendes, X."]
[Black "Faria, Cassio Henrique D"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "78"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. Bb5 Bd7 5. 0-0 Nf6 6. d3 g6 7. Bg5 Bg7 8. Nd5 e6 9. Nxf6+ Bxf6 10. Bh6 Bxb2 11. Rb1 Bf6 12. Qd2 e5 13. c3 Qa5 14. Bg5 Bxg5 15. Qxg5 Qd8 16. Qh6 Qe7 17. Ng5 f6 18. Nh3 g5 19. f3 0-0-0 20. Nf2 Rdg8 21. Ng4 Rg6 22. Qh3 Qe6 23. Rb2 a6 24. Bc4 Qe8 25. Bd5 Kc7 26. Rfb1 Bc8 27. Nh6 Bxh3 28. Rxb7+ Kc8 29. Nf7 f5 30. R1b6 Rf8 31. gxh3 Rf6 32. Nxg5 fxe4 33. Bxe4 Nd8 34. Rb8+ Kc7 35. Nxh7 Rg6+ 36. Kh1 Qa4 37. Bxg6 Qd1+ 38. Kg2 Qxf3+ 39. Kg1 Qf1# 0-1

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "10"]
[White "De Souza Mendes, X."]
[Black "Hernandez, A."]
[Result "0-1"]
[ECO "C55"]
[BlackElo "2330"]
[PlyCount "62"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Be7 5. 0-0 0-0 6. d3 d6 7. Bg5 Bg4 8. h3 Bxf3 9. Qxf3 Nd4 10. Qg3 Nxc2 11. Bxf6 Bxf6 12. Rac1 Nd4 13. Kh1 c6 14. Qg4 Kh8 15. Qd1 a5 16. a3 b5 17. Ba2 Bg5 18. Ra1 f5 19. Ne2 Qb6 20. Nxd4 Qxd4 21. Qe2 f4 22. f3 Bh4 23. Rac1 Qe3 24. Rc2 b4 25. Qxe3 fxe3 26. Re2 Bf2 27. Rc1 Rfb8 28. Rxc6 b3 29. Bb1 Rc8 30. Rxc8+ Rxc8 31. Kh2 Rc1 0-1

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "4"]
[White "De Souza Mendes, X."]
[Black "Rivadavia, Esteban"]
[Result "0-1"]
[ECO "C65"]
[PlyCount "62"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 Nf6 5. d3 Be7 6. Nd5 Bd7 7. Nxe7 Qxe7 8. Bg5 h6 9. Bxf6 Qxf6 10. Bxc6 Bxc6 11. Qe2 0-0-0 12. 0-0-0 Qe6 13. Kb1 f5 14. b3 g5 15. h3 Rdf8 16. g3 fxe4 17. dxe4 Qf6 18. Nh2 Qxf2 19. Qxf2 Rxf2 20. Rde1 h5 21. g4 Rf4 22. Rhf1 hxg4 23. Rxf4 gxf4 24. Nxg4 Rxh3 25. Nf6 b6 26. Rg1 Re3 27. Rg8+ Kb7 28. a4 Bxe4 29. Nd7 Rxb3+ 30. Ka2 Bxc2 31. Rb8+ Kc6 0-1

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "8"]
[White "De Souza Mendes, X."]
[Black "Rojas Keim, Luis Alberto"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "48"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. Nxd4 Nxe5 8. Bb5+ Nc6 9. Be3 Qc7 10. Nd2 Nf6 11. N2f3 Bd6 12. Qd2 0-0 13. Nxc6 bxc6 14. Bd3 e5 15. Bc2 Ba6 16. Nh4 Rfe8 17. Nf5 Bf8 18. Bd3 Bxd3 19. Qxd3 Rab8 20. Qe2 Qd7 21. Qc2 d4 22. Bg5 d3 23. Rd1 Qxf5 24. Qxd3 Qxg5 0-1

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "3"]
[White "Eppinga, Roland"]
[Black "De Souza Mendes, X."]
[Result "1-0"]
[ECO "C80"]
[PlyCount "33"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 a6 5. Ba4 Nxe4 6. d4 Nxd4 7. Nxd4 exd4 8. Re1 Qe7 9. f3 f5 10. fxe4 fxe4 11. Qxd4 Kd8 12. Rxe4 Qf6 13. Qxf6+ gxf6 14. Nc3 b5 15. Bb3 Bb7 16. Re2 Rg8 17. Bxg8 1-0

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "1"]
[White "Lyrberg, Patrik"]
[Black "De Souza Mendes, X."]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2270"]
[PlyCount "71"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 Bg4 7. Nbd2 a6 8. Bb3 0-0 9. Re1 d5 10. exd5 Nxd5 11. h3 Bh5 12. Ne4 Be7 13. Ng3 Bg6 14. Nxe5 Na5 15. Nxg6 fxg6 16. Bxd5+ Qxd5 17. Rxe7 Qd6 18. Re1 Qf6 19. Ne4 Qf5 20. Be3 Nc6 21. Qg4 Qxg4 22. hxg4 h5 23. gxh5 g5 24. Nc5 b6 25. Ne6 Rf7 26. d4 Ne7 27. Nxc7 Ra7 28. Ne6 Nd5 29. c4 Nf6 30. d5 Ne4 31. Bxb6 Rab7 32. Nd8 Rxb6 33. Nxf7 Kxf7 34. Rxe4 Rxb2 35. Rd1 Rxa2 36. d6 1-0

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "11"]
[White "Pena, Eduardo"]
[Black "De Souza Mendes, X."]
[Result "1-0"]
[ECO "C54"]
[PlyCount "119"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 d6 7. a4 a6 8. b4 Ba7 9. Bg5 h6 10. Bh4 Bg4 11. Nbd2 a5 12. b5 Nb8 13. Qc2 Nbd7 14. d4 Re8 15. Rfe1 Nf8 16. h3 Bc8 17. dxe5 dxe5 18. Rad1 Ng6 19. Nf1 Qe7 20. Ne3 Nxh4 21. Nxh4 Kh8 22. Nhf5 Qf8 23. Ng4 Nxg4 24. hxg4 g6 25. Ne3 Bxe3 26. Rxe3 Bxg4 27. Rde1 Be6 28. Bd5 Rab8 29. Kh2 Qe7 30. Rh1 Qh4+ 31. Kg1 Qg5 32. Rg3 Qe7 33. Rxh6+ Kg7 34. Rh5 Bxd5 35. exd5 Qf6 36. Rf5 Qe7 37. Qe4 b6 38. Rgg5 Qd6 39. Rxe5 Rxe5 40. Qxe5+ f6 41. Qxd6 cxd6 42. Rg3 Rc8 43. Re3 Rc4 44. Re6 Rxa4 45. Rxd6 Ra1+ 46. Kh2 a4 47. Rxb6 a3 48. Ra6 a2 49. b6 Rb1 50. Rxa2 Rxb6 51. c4 g5 52. c5 Rb7 53. c6 Rc7 54. Rb2 Kf8 55. Rb8+ Ke7 56. Rb7 Kd6 57. Rxc7 Kxc7 58. Kg3 Kd6 59. Kg4 Kxd5 60. c7 1-0

[Event "Wch U16 11th"]
[Site "Guarapuava"]
[Date "1991.07.??"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "De Souza Mendes, X."]
[Result "1-0"]
[ECO "D36"]
[PlyCount "83"]
[EventDate "1991.07.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 exd5 6. e3 c6 7. Bd3 0-0 8. Qc2 Nbd7 9. Nf3 Re8 10. 0-0 Nf8 11. Bxf6 Bxf6 12. b4 Bg4 13. Nd2 Bh5 14. Rab1 Bg6 15. Bxg6 Nxg6 16. Rfc1 a6 17. a4 Be7 18. Qb3 b5 19. axb5 axb5 20. Ne2 Qc7 21. Ng3 Red8 22. Qc3 Ra6 23. Qd3 Ra2 24. Nf5 Bd6 25. Nxd6 Qxd6 26. Qc3 Rc8 27. Nb3 Nh4 28. e4 Qg6 29. Qg3 Qxe4 30. Re1 Re2 31. f3 Qe3+ 32. Kf1 g5 33. Rxe2 Qd3 34. Qxg5+ Kh8 35. Qf6+ Kg8 36. Rbe1 Qc4 37. Qxh4 Rf8 38. Qg5+ Kh8 39. Qf6+ Kg8 40. Kf2 Qxb3 41. Re5 Qb2+ 42. Kg3 1-0

