[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "1"]
[White "Da Rosa, Juan S"]
[Black "Arias, Jorge"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "82"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. Nxc6 bxc6 10. exd5 cxd5 11. Bd4 e6 12. Bd3 Qd6 13. f4 Qb4 14. Ne2 Ng4 15. Bxg7 Kxg7 16. Qe1 Qxb2 17. Qc3+ Qxc3 18. Nxc3 Rb8 19. Rab1 Bd7 20. Rb3 Rfc8 21. Rfb1 Rxb3 22. Rxb3 Rc7 23. Nb5 Bxb5 24. Rxb5 Ne3 25. Ra5 d4 26. a4 Nxc2 27. Bxc2 Rxc2 28. Rxa7 d3 29. Rd7 Ra2 30. Rxd3 Rxa4 31. Rf3 Ra2 32. g4 Kf6 33. h4 Re2 34. Rf2 Rxf2 35. Kxf2 h5 36. Kf3 hxg4+ 37. Kxg4 Kg7 38. h5 Kf6 39. hxg6 Kxg6 40. f5+ exf5+ 41. Kf4 Kf6 0-1

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "7"]
[White "Da Rosa, Juan S"]
[Black "Ginzburg, Maximiliano"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "2490"]
[PlyCount "66"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d3 5. Bxd3 g6 6. 0-0 Bg7 7. Bg5 Nge7 8. Nbd2 h6 9. Bxe7 Qxe7 10. Re1 d6 11. Qe2 0-0 12. Rad1 Bd7 13. Bc2 Rae8 14. Qf1 Qd8 15. Nc4 b5 16. Ne3 b4 17. Nd5 bxc3 18. Nxc3 Qb8 19. Rb1 Ne5 20. Nd2 f5 21. Bb3+ Kh7 22. f3 fxe4 23. Ndxe4 c6 24. Red1 d5 25. Nf2 h5 26. Nd3 Ng4 27. g3 Ne3 28. Qf2 Nxd1 29. Rxd1 Bf5 30. Nf4 Re7 31. Re1 Rfe8 32. Rxe7 Rxe7 33. Ba4 Qb4 0-1

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "3"]
[White "Da Rosa, Juan S"]
[Black "Larrea, Manuel"]
[Result "0-1"]
[ECO "B59"]
[BlackElo "2190"]
[PlyCount "70"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. 0-0 Be6 10. Rc1 Rc8 11. f3 a6 12. g4 Nd7 13. Nd5 Bxd5 14. exd5 Na5 15. c4 Nxb3 16. Qxb3 b6 17. Qa3 a5 18. h3 Nc5 19. Bxc5 bxc5 20. Kg2 Bg5 21. Rcd1 Bf4 22. Rh1 Qh4 23. Qxa5 Qg3+ 24. Kf1 Ra8 25. Qe1 Qxe1+ 26. Kxe1 Rxa2 27. Rb1 Rb8 28. b3 Rba8 29. h4 Rd2 30. b4 cxb4 31. Rxb4 g6 32. Kf2 Raa2 33. Re1 Kg7 34. Rbb1 Rdc2 35. Ra1 Rxe2+ 0-1

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "5"]
[White "Da Rosa, Juan S"]
[Black "Sunye Neto, Jaime"]
[Result "0-1"]
[ECO "B92"]
[BlackElo "2520"]
[PlyCount "92"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 Nc6 7. Be2 e5 8. Nb3 Be7 9. 0-0 0-0 10. Be3 Be6 11. Kh1 Rc8 12. f4 exf4 13. Bxf4 d5 14. e5 Ne4 15. Nxe4 dxe4 16. Nd2 Bg5 17. Bxg5 Qxg5 18. Nxe4 Qxe5 19. Nc3 Rfd8 20. Qe1 Nb4 21. Rc1 Rd4 22. Bf3 Qxe1 23. Rfxe1 b6 24. Re4 Rxe4 25. Bxe4 f5 26. Bf3 Kf7 27. Kg1 g5 28. h3 Rd8 29. Rd1 Rxd1+ 30. Bxd1 Kf6 31. Kf2 Ke5 32. g3 f4 33. gxf4+ gxf4 34. h4 Bf5 35. Ne2 Nxc2 36. Ng1 Nd4 37. Nf3+ Nxf3 38. Kxf3 a5 39. Bb3 Bd3 40. Bd1 Kf5 41. Kf2 Be4 42. b3 h6 43. Bh5 Bc2 44. Bf7 Kg4 45. h5 Kg5 46. Ke1 Bf5 0-1

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "8"]
[White "De Dovitiis, Alejo"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2350"]
[PlyCount "37"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. cxd4 e6 7. Nc3 Qd6 8. Bc4 Nf6 9. 0-0 Be7 10. Nb5 Qb8 11. g3 Bd6 12. d5 exd5 13. Bxd5 Bc7 14. Re1+ Ne7 15. Ng5 Rf8 16. Qd3 Nfxd5 17. Qxd5 a6 18. Qc5 Bd8 19. Bf4 1-0

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "2"]
[White "Escofet Fernandez, Jaime"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2215"]
[PlyCount "47"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nxc6 bxc6 7. Bc4 d6 8. Qf3 Nf6 9. Bf4 Bg4 10. Qg3 Qc8 11. Qh4 Be6 12. Bb3 Bxb3 13. axb3 Qg4 14. Qxg4 Nxg4 15. Ke2 Ne5 16. Ra6 Nd7 17. Rha1 Nc5 18. Rxa7 Rc8 19. f3 Ne6 20. Be3 c5 21. Nd5 Bxb2 22. Rxe7+ Kf8 23. Raa7 Nd8 24. c3 1-0

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "4"]
[White "Recine, Leonel"]
[Black "Da Rosa, Juan S"]
[Result "1/2-1/2"]
[ECO "A32"]
[PlyCount "96"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. g3 e5 7. Nb3 Bb4 8. Bg2 d4 9. a3 Bxc3+ 10. bxc3 dxc3 11. Qxd8+ Kxd8 12. Bg5 Nbd7 13. 0-0-0 Kc7 14. Rd3 h6 15. Be3 Ng4 16. Rxc3 Nxe3 17. Rxe3 f6 18. Rd1 Rb8 19. Kc2 b6 20. f4 exf4 21. gxf4 Bb7 22. Bh3 Rbd8 23. Re7 Bc6 24. Kc3 Rhe8 25. Rxg7 Rxe2 26. Nd4 Re3+ 27. Rd3 Rxd3+ 28. Kxd3 Kd6 29. Rh7 Nc5+ 30. Kd2 Ne4+ 31. Ke3 Re8 32. Rxh6 Bb7 33. f5 Kc5 34. Bf1 Ng5+ 35. Ne6+ Nxe6 36. fxe6 Rxe6+ 37. Kd3 Ba6 38. Rh4 b5 39. Rh5+ Kb6 40. c5+ Kc7 41. Kd4 Re7 42. Bd3 Kc6 43. Be4+ Kc7 44. Rh7 Rxh7 45. Bxh7 Bb7 46. Be4 Bc8 47. h4 f5 48. Bd5 f4 1/2-1/2

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "11"]
[White "Sabatoni, Atila"]
[Black "Da Rosa, Juan S"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "58"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nd4 7. Qd2 e6 8. Nd1 Ne7 9. c3 Ndc6 10. Bh6 0-0 11. Bxg7 Kxg7 12. f4 f5 13. Nf2 Rb8 14. Nf3 b5 15. g4 fxg4 16. Nxg4 Kh8 17. 0-0-0 e5 18. f5 gxf5 19. exf5 Nxf5 20. Ng5 Nce7 21. d4 cxd4 22. Nxh7 Kxh7 23. Be4 Ng6 24. h4 Nf4 25. cxd4 Qc7+ 26. Kb1 Kh8 27. dxe5 dxe5 28. Rhf1 Ng3 29. Qb4 Bxg4 0-1

[Event "Punta del Este 1st"]
[Site "Punta del Este"]
[Date "1998.11.??"]
[Round "6"]
[White "Scarella, Enrique Alejandro"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2370"]
[PlyCount "49"]
[EventDate "1998.11.24"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 c5 5. cxd5 Nxd5 6. Bg2 Nc6 7. 0-0 Bd7 8. e4 Nf6 9. d5 Nb8 10. Nc3 Be7 11. d6 Bf8 12. e5 Ng8 13. Ne4 Bc6 14. Nxc5 b6 15. Nb3 Nd7 16. Nbd4 Rc8 17. Nxc6 Rxc6 18. Nd4 Rc5 19. b4 Rc4 20. Nc6 Qc8 21. b5 a6 22. a4 axb5 23. axb5 Rc5 24. Be3 Rxe5 25. Nxe5 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "5"]
[White "Abreu, Diego R"]
[Black "Da Rosa, Juan S"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "50"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d3 Bg7 5. Bd2 d6 6. Be2 e6 7. 0-0 Nge7 8. Be3 Ne5 9. Re1 0-0 10. Bf1 Rb8 11. a4 a6 12. Bd2 b5 13. axb5 axb5 14. Nxe5 Bxe5 15. Rb1 Nc6 16. Ne2 Bg7 17. Bc3 d5 18. Bxg7 Kxg7 19. Ng3 d4 20. c3 e5 21. Be2 Be6 22. cxd4 Qxd4 23. Qc2 Rbc8 24. Qc3 Rfd8 25. b3 Qxc3 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "6"]
[White "Da Rosa, Juan S"]
[Black "Gutierrez, Ignacio"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "85"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 e6 8. Be3 Bd6 9. Qd2 Qc7 10. 0-0-0 Nd7 11. h3 Bh5 12. g4 Bg6 13. Nh4 0-0-0 14. f4 Be4 15. Rhf1 Kb8 16. Bd3 Bxd3 17. Qxd3 Nb6 18. Ng2 Nd5 19. c4 Nxe3 20. Qxe3 c5 21. d5 exd5 22. Rxd5 Rhe8 23. Qd3 Rh8 24. Qe3 Rhe8 25. Qd3 Rh8 26. Kb1 h6 27. Rd1 Be7 28. Qf5 Rxd5 29. cxd5 Rd8 30. Qh7 Bf8 31. Qf5 Be7 32. Qh7 Bf8 33. Qf5 Be7 34. Ne3 Bd6 35. Ng2 Re8 36. Re1 Rxe1+ 37. Nxe1 Bxf4 38. Qxf6 Qd6 39. Qxd6+ Bxd6 40. Kc2 Kc7 41. Ng2 Bg3 42. Ne3 a6 43. a4 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "1"]
[White "Da Rosa, Juan S"]
[Black "Rial, Daniel"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "79"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Na3 Nf5 9. Nc2 Bb4+ 10. Kf1 Be7 11. g3 Bd7 12. Kg2 Rc8 13. b3 Nb4 14. Nxb4 Bxb4 15. Bb2 Bb5 16. Rc1 0-0 17. Rc2 Rxc2 18. Qxc2 Bxe2 19. Qxe2 Rc8 20. Rc1 Rxc1 21. Bxc1 Nxd4 22. Nxd4 Qxd4 23. Be3 Qe4+ 24. f3 Qxe5 25. Qb5 Qxe3 26. Qxb4 Qe2+ 27. Kg1 Qxf3 28. Qxb7 Qe3+ 29. Kg2 h6 30. Qe7 d4 31. Qe8+ Kh7 32. Qxf7 d3 33. Qf2 Qxf2+ 34. Kxf2 e5 35. b4 Kg8 36. b5 Kf7 37. a4 Ke7 38. a5 Kd7 39. b6 axb6 40. a6 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "3"]
[White "Da Rosa, Juan S"]
[Black "Vieira, Fernando Luiz"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "76"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd3 Bg4 7. 0-0 Qc7 8. Bd2 e6 9. h3 Bh5 10. Re1 Nbd7 11. Bf1 Bd6 12. a4 a5 13. g4 Nxg4 14. hxg4 Bxg4 15. Ne4 Bh2+ 16. Kh1 h5 17. Be2 Bf4 18. Be3 0-0-0 19. Qd2 e5 20. Bxf4 exf4 21. c4 f5 22. Neg5 Rde8 23. d5 Nc5 24. d6 Qb6 25. Nf7 Nd7 26. Nxh8 Qxf2 27. Qxf4 Rxe2 28. Rxe2 Bxf3+ 29. Qxf3 Qxf3+ 30. Rg2 Nc5 31. Rag1 h4 32. Kh2 Ne6 33. Ng6 f4 34. Nxh4 Qh5 35. Rg4 g5 36. Kh3 gxh4 37. Rxh4 Qf5+ 38. Rhg4 Ng5+ 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "2"]
[White "Mendes, Anderson R"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "74"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. g3 d5 7. cxd5 Nxd5 8. Nxc6 bxc6 9. Bg2 Be7 10. 0-0 0-0 11. Bd2 Rb8 12. Nxd5 cxd5 13. Bc3 Bf6 14. Qd2 Ba6 15. Rfe1 Bxc3 16. Qxc3 Qb6 17. b3 Rfc8 18. Qd2 Rc5 19. e4 Bb7 20. exd5 Bxd5 21. Bxd5 Rxd5 22. Qe3 Qxe3 23. Rxe3 Kf8 24. Rc1 Rbd8 25. Rec3 Ke7 26. Rc7+ R8d7 27. Kg2 Kd6 28. Rc8 Ke5 29. R8c6 Ra5 30. R1c5+ Rd5 31. Rxd5+ Kxd5 32. Rc8 h6 33. Kh3 f6 34. Kh4 Ke4 35. Kg4 g6 36. h4 h5+ 37. Kh3 Kf5 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "4"]
[White "Zapata, Diego"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "69"]
[EventDate "1998.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Bxc3 10. Bxc3 Nxc3 11. bxc3 0-0 12. 0-0 f5 13. Qd2 Qf6 14. f4 e4 15. Bc4+ Kh8 16. Qe3 b6 17. Rad1 Rd8 18. Nd4 Bb7 19. Rd2 Rd6 20. Rfd1 Rad8 21. Bb3 h6 22. Nxc6 Bxc6 23. Rd4 Qe7 24. Qe2 b5 25. Qe3 a5 26. Rxd6 Rxd6 27. Rxd6 Qxd6 28. h3 a4 29. Bf7 Bd5 30. Qd4 Qxf4 31. Bxd5 Qc1+ 32. Kh2 Qf4+ 33. g3 Qc1 34. Qf2 e3 35. Qe2 1-0

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Chagas, Humberto Luiz C"]
[Black "Da Rosa, Juan S"]
[Result "0-1"]
[ECO "E57"]
[PlyCount "62"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 cxd4 5. exd4 d5 6. Nc3 Nc6 7. Bg5 dxc4 8. Bxc4 Be7 9. 0-0 0-0 10. Qd2 a6 11. Rad1 b5 12. Bb3 b4 13. Bxf6 Bxf6 14. Ne4 Be7 15. Ba4 Bb7 16. Nc5 Qa5 17. Bxc6 Bxc6 18. Ne5 Bd5 19. b3 Rfd8 20. Nc4 Bxc4 21. Nb7 Qc7 22. Rc1 Qxb7 23. Rxc4 Rac8 24. Rfc1 Rxc4 25. Rxc4 Rc8 26. Qc2 Rxc4 27. Qxc4 g6 28. f3 Qd5 29. Qd3 Bc5 30. Kf1 Qxd4 31. Qxd4 Bxd4 0-1

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Da Rosa, Juan S"]
[Black "Bustamante Casas, Richard"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "83"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. Be3 a6 8. a4 b6 9. f4 Qc7 10. 0-0 Bb7 11. Bf3 Nbd7 12. Nb3 0-0 13. Qe1 Nc5 14. Nxc5 bxc5 15. b3 Bc6 16. Qg3 d5 17. e5 Nd7 18. Bd2 Bb7 19. Rab1 Rab8 20. Be2 Nb6 21. f5 f6 22. Bh6 Bd8 23. fxe6 d4 24. e7 Qxe7 25. exf6 Rxf6 26. Rxf6 Bc7 27. Bf4 Qxf6 28. Bxc7 Re8 29. Bxb6 Qxb6 30. Bc4+ Kh8 31. Nd5 Qh6 32. Rf1 Qh5 33. Qf3 Qxf3 34. Rxf3 g6 35. Rf7 Bxd5 36. Bxd5 Rd8 37. Bc4 a5 38. Rc7 Re8 39. Rxc5 Re1+ 40. Kf2 Rd1 41. Bd3 Rd2+ 42. Kf3 1-0

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Da Rosa, Juan S"]
[Black "Dansker, German"]
[Result "0-1"]
[ECO "B04"]
[BlackElo "2060"]
[PlyCount "52"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. h3 Bg7 8. Nf3 0-0 9. Bd3 e5 10. Be3 f5 11. Be2 e4 12. Nh2 f4 13. Bc1 Qe7 14. 0-0 Nc6 15. c5 dxc5 16. dxc5 Bxc3 17. cxb6 Bg7 18. bxa7 Nd4 19. Re1 Be6 20. Bd2 Bd5 21. Bc3 Nxe2+ 22. Rxe2 Bc6 23. Qb3+ Kh8 24. Bb4 Qg5 25. Bxf8 Rxf8 26. Ree1 h5 0-1

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Da Rosa, Juan S"]
[Black "Zambrana, Oswaldo"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "64"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Bd7 8. 0-0 0-0 9. h3 Nc6 10. Nb3 a6 11. f4 b5 12. a3 Qc7 13. Bf3 e5 14. f5 b4 15. axb4 Nxb4 16. Qd2 Rad8 17. g4 d5 18. exd5 gxf5 19. gxf5 Bxf5 20. Bh6 Bg6 21. Bxg7 Kxg7 22. Qg5 h6 23. Qh4 Nxc2 24. Rxa6 Nh7 25. Bh5 Ne3 26. Bxg6 fxg6 27. Rxf8 Rxf8 28. Qe4 Qf7 29. Ra1 Qf2+ 30. Kh1 Ng5 31. Qxe5+ Kg8 32. Rg1 Qf3+ 0-1

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Fontana, Rodrigo Dal Bosco"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "37"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 a6 7. a4 d6 8. d3 Nge7 9. Qe1 0-0 10. f5 d5 11. Bb3 exf5 12. exd5 Nd4 13. Bg5 Nxf3+ 14. Rxf3 Re8 15. Qh4 Qd6 16. Re1 Bf8 17. Rfe3 f6 18. Bxf6 Kf7 19. Be5 1-0

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Maciel, Gilson"]
[Black "Da Rosa, Juan S"]
[Result "0-1"]
[ECO "B35"]
[PlyCount "46"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. Qd2 Qb4 9. Bb3 Nxe4 10. Nxc6 dxc6 11. Nxe4 Qxe4 12. f3 Qf5 13. 0-0-0 0-0 14. Bh6 Bxh6 15. Qxh6 Be6 16. Bxe6 Qxe6 17. b3 Qf6 18. Rd7 Qa1+ 19. Kd2 Qxh1 20. Rxe7 Qxg2+ 21. Kc1 Qxf3 22. Rxb7 Qc3 23. Kb1 Rfe8 0-1

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Umetsubo, Cesar Hidemitsu"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "45"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c3 cxd4 5. exd4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. Bg5 Nbd7 9. Nbd2 b6 10. Re1 a5 11. Qe2 Re8 12. Ne5 Qc7 13. Ndf3 h6 14. Bd2 Nf8 15. Rad1 N6d7 16. Nxd7 Nxd7 17. Ne5 f6 18. Qh5 Re7 19. Ng6 Rf7 20. Rxe6 Nf8 21. Ree1 Nxg6 22. Bxg6 Rf8 23. Qxd5+ 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Bueno, Welmer Gracias"]
[Black "Da Rosa, Juan S"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "59"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 c5 4. d3 d5 5. 0-0 Nc6 6. Bg5 Be7 7. Nbd2 0-0 8. c3 Qc7 9. Qc2 b6 10. e4 Bb7 11. exd5 Nxd5 12. Bxe7 Ncxe7 13. d4 Nf5 14. Qd3 Rfd8 15. Qe2 cxd4 16. Nxd4 Nxd4 17. cxd4 Nb4 18. Rac1 Qd7 19. Bxb7 Qxb7 20. a3 Nc6 21. Qf3 Rac8 22. Nb3 Qd7 23. Rfd1 Ne7 24. Rc3 Rxc3 25. Qxc3 Rc8 26. Qd3 Rd8 27. Qe4 Qd5 28. Qxd5 Nxd5 29. Rd2 Rc8 30. Kg2 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Da Rosa, Juan S"]
[Black "Dumas Aviles, Mario"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "2030"]
[PlyCount "71"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Bb4+ 8. Kf1 Bd7 9. g3 Rc8 10. Kg2 Qc7 11. a3 Ba5 12. b4 Bb6 13. Bb2 Nge7 14. Nc3 Nf5 15. Nb5 Qb8 16. g4 a6 17. gxf5 axb5 18. fxe6 fxe6 19. Bxb5 0-0 20. Be2 Rf4 21. Bc1 Rf5 22. Rg1 Rcf8 23. Kh1 Be8 24. Bh6 Bg6 25. Be3 Qd8 26. Ng5 Re8 27. Bd3 Rff8 28. Bxg6 hxg6 29. Qd3 Rf5 30. Rg3 Bxd4 31. Nxe6 Rxe6 32. Bxd4 Nxd4 33. Qxd4 Rfxe5 34. Rxg6 Re1+ 35. Rg1 Rxa1 36. Qxg7# 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Da Rosa, Juan S"]
[Black "Rodrigues, Camilo"]
[Result "1/2-1/2"]
[ECO "B83"]
[PlyCount "119"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. Nb3 a6 10. a4 d5 11. exd5 Nxd5 12. Nxd5 exd5 13. a5 Bd6 14. Bb6 Qg5 15. Bf3 Ne5 16. Bxd5 Qh6 17. g3 Bh3 18. Bg2 Ng4 19. f4 Bxg2 20. Kxg2 Qxh2+ 21. Kf3 Qh5 22. Rh1 Ne5+ 23. Kg2 Qxd1 24. Raxd1 Nc4 25. Rd4 Rac8 26. c3 Rfe8 27. Kf2 Bf8 28. Rb1 Nxb6 29. axb6 Rc6 30. Na5 Rxb6 31. Rd7 Bc5+ 32. Kf3 Re3+ 33. Kg2 Re2+ 34. Kf3 Rf2+ 35. Ke4 Re6+ 36. Kd3 b5 37. Rd8+ Bf8 38. Nb3 Rfe2 39. Nc5 R6e3+ 40. Kd4 a5 41. Nd7 Re8 42. Rxe8 Rxe8 43. Nxf8 Kxf8 44. Kd3 Rd8+ 45. Ke3 Rd6 46. Ra1 a4 47. c4 bxc4 48. Rxa4 Rd3+ 49. Kf2 Rd2+ 50. Kf3 Rxb2 51. Rxc4 Rb3+ 52. Kg4 h5+ 53. Kh4 g6 54. Rc5 Kg7 55. Rd5 Kh6 56. Ra5 Rf3 57. Rd5 Rf2 58. Kh3 f6 59. Rd6 f5 60. Rc6 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Da Rosa, Juan S"]
[Black "Tournear, Matias"]
[Result "1/2-1/2"]
[ECO "C77"]
[PlyCount "67"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 b5 7. Bb3 Be7 8. Nbd2 0-0 9. Nf1 Na5 10. Bc2 c5 11. Ng3 Re8 12. 0-0 Bf8 13. h3 g6 14. Bg5 Bg7 15. Qe2 Qc7 16. Rfe1 Bb7 17. Rac1 Rad8 18. d4 Nc6 19. d5 Nb8 20. c4 Qb6 21. b3 b4 22. Qd2 Nbd7 23. Ne2 Ra8 24. g3 Rec8 25. Kg2 a5 26. Bh6 Qd8 27. Rh1 Qf8 28. Bxg7 Qxg7 29. Rcg1 Kf8 30. Kf1 Ke8 31. g4 Kd8 32. h4 Kc7 33. h5 Rh8 34. h6 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Da Rosa, Juan S"]
[Black "Villarraga, David"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "46"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Na3 Nf5 9. Nc2 Bb4+ 10. Kf1 Be7 11. g4 Nh4 12. Nxh4 Bxh4 13. Kg2 0-0 14. b3 f6 15. Ba3 Rf7 16. exf6 Bxf6 17. Bc5 Qc7 18. Rf1 Qf4 19. Bb5 e5 20. Bxc6 bxc6 21. h3 Ba6 22. Rh1 Bh4 23. dxe5 Bxf2 0-1

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Rodrigues, Walter Jr"]
[Black "Da Rosa, Juan S"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "68"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. Bc4 Bg7 5. 0-0 Nf6 6. d3 0-0 7. Bg5 a6 8. a4 d6 9. h3 Bd7 10. Qd2 Re8 11. Rae1 Nd4 12. Nxd4 cxd4 13. Ne2 Bxa4 14. Nxd4 d5 15. exd5 Nxd5 16. c3 Bxd4 17. cxd4 Nf6 18. Qf4 Qb6 19. b3 Bd7 20. d5 Nh5 21. Qf3 Qd6 22. g4 Ng7 23. d4 Rac8 24. Re2 b5 25. Bd3 Rc3 26. b4 e6 27. dxe6 Bxe6 28. Bf4 Qxd4 29. Be5 Qxd3 30. Qf6 Kf8 31. Qxg7+ Ke7 32. Bf6+ Kd7 33. Rxe6 Rxe6 34. Qxf7+ Kd6 0-1

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Soto Martin, Vicente"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "63"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 d3 5. Bxd3 g6 6. 0-0 Bg7 7. Bc4 Nf6 8. Qe2 d6 9. Rd1 Qc7 10. Nd4 a6 11. h3 0-0 12. Bg5 Bd7 13. Bb3 Rac8 14. Nd2 Na5 15. Bc2 Nc4 16. Nxc4 Qxc4 17. Qxc4 Rxc4 18. Bb3 Rc7 19. Re1 Bc6 20. Nxc6 bxc6 21. Rad1 h6 22. Bc1 Nd7 23. f4 Nc5 24. Bc2 Rd7 25. c4 e6 26. b4 Nb7 27. Ba4 Rc8 28. c5 d5 29. Be3 d4 30. e5 Rdc7 31. Bxd4 a5 32. Bxc6 1-0

[Event "Pan American-ch U12 7th"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "1"]
[White "Aprigio, Rene"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "D60"]
[PlyCount "57"]
[EventDate "1994.04.05"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 dxc4 8. Bxc4 0-0 9. 0-0 Qc7 10. h3 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. Bf4 Qc5 14. Qb3 Qb4 15. Rad1 Qxb3 16. Bxb3 Bf5 17. Rd2 Rad8 18. Rfd1 Rxd2 19. Rxd2 Rd8 20. Rxd8+ Bxd8 21. g4 Bg6 22. Kg2 Kf8 23. Bd6+ Ke8 24. f4 Be4+ 25. Kg3 Bb6 26. Be5 Bxe3 27. Bxf6 gxf6 28. Nxe4 Ke7 29. g5 1-0

[Event "Pan American-ch U12 7th"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "4"]
[White "Da Rosa, Juan S"]
[Black "Kreuz, Andre"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "40"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Nb4 9. 0-0 Nxc2 10. Qxc2 Ne7 11. Nc3 Ng6 12. Bg5 Bb4 13. a3 Bxc3 14. Qxc3 Rc8 15. Qd2 Rc4 16. Rac1 Bb5 17. b3 Rc6 18. Rxc6 Bxc6 19. b4 Bb5 20. Rc1 0-0 1/2-1/2

[Event "Pan American-ch U12 7th"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "2"]
[White "Da Rosa, Juan S"]
[Black "Rodriguez, Paulo Virgilio Rios"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "101"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Bb4+ 9. Nc3 Nge7 10. 0-0 h6 11. Qd3 Ng6 12. h4 a6 13. a3 Bxc3 14. bxc3 Na5 15. Rb1 Bb5 16. Qd1 Qc7 17. Re1 Rc8 18. Bb2 Nc4 19. Ba4 Bxa4 20. Qxa4+ Qd7 21. Qxd7+ Kxd7 22. Ba1 b5 23. Rb3 Ne7 24. Reb1 Rb8 25. a4 Kc6 26. axb5+ axb5 27. Kf1 Rb6 28. Ke2 Ra8 29. Ne1 Ra2+ 30. Bb2 Rba6 31. Nd3 Na5 32. Nb4+ Kb6 33. Nxa2 Nxb3 34. Nb4 Ra7 35. Kd3 Na5 36. Ra1 Nac6 37. Nxc6 Nxc6 38. Rxa7 Kxa7 39. Ba3 h5 40. f3 Kb7 41. g4 f6 42. exf6 gxf6 43. gxh5 Nd8 44. h6 Nf7 45. h7 Kc7 46. Bf8 e5 47. Bg7 e4+ 48. fxe4 dxe4+ 49. Kxe4 Kd6 50. h8Q Kc6 51. Qe8+ 1-0

[Event "Pan American-ch U12 7th"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "6"]
[White "Da Rosa, Juan S"]
[Black "Talavera, Ignacio"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "97"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[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 a6 4. Ba4 Nf6 5. 0-0 Bd6 6. Re1 0-0 7. c3 b5 8. Bc2 Re8 9. d4 h6 10. Nbd2 Bf8 11. Nf1 d6 12. h3 Bb7 13. Ng3 Na7 14. d5 c6 15. dxc6 Bxc6 16. Be3 d5 17. exd5 Bxd5 18. Bxa7 Rxa7 19. Rxe5 Bxf3 20. Qxd8 Rxd8 21. gxf3 Rd2 22. Re2 Rad7 23. Rae1 Rxe2 24. Rxe2 g6 25. Kg2 b4 26. cxb4 Bxb4 27. Ne4 Kg7 28. Kg3 Nxe4+ 29. fxe4 Rd2 30. Rxd2 Bxd2 31. Kf3 Kf6 32. Ke2 Bf4 33. Kd3 h5 34. Kc4 g5 35. f3 Bd6 36. Kd5 Ke7 37. Kc6 Ke6 38. Kb6 Be5 39. b3 Bb2 40. Kxa6 Ba3 41. Ka5 Bc5 42. b4 Bd6 43. b5 Kd7 44. b6 Bb8 45. Ka6 Kc8 46. a4 Bf4 47. a5 h4 48. Kb5 Kb7 49. a6+ 1-0

[Event "Pan American-ch U12 7th"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "3"]
[White "Flores, Diego"]
[Black "Da Rosa, Juan S"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "45"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 a6 9. Bb3 Nbd7 10. Qd2 Re8 11. Bh6 Bh8 12. Ne6 Qb6 13. h4 Nc5 14. Nxc5 Qxc5 15. 0-0-0 b5 16. Nd5 Bb7 17. Be3 Qc6 18. Nxf6+ Bxf6 19. h5 a5 20. hxg6 hxg6 21. Bd4 e5 22. Qh6 Re7 23. Qxg6+ 1-0

[Event "Pan American-ch U12 7th"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "5"]
[White "Medina, Jorge1111"]
[Black "Da Rosa, Juan S"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "36"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "6"]
[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. c4 Nf6 4. Nc3 g6 5. d4 cxd4 6. Qxd4 Bg7 7. e5 Ng4 8. Bf4 Nc6 9. Qd5 Ngxe5 10. Bxe5 Nxe5 11. Nxe5 Bxe5 12. Be2 0-0 13. 0-0 Qb6 14. Rab1 Be6 15. Qe4 Bf5 16. Qf3 Bxb1 17. Rxb1 Bxc3 18. bxc3 Qxb1+ 0-1

