[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.07"]
[Round "7"]
[White "Taitt, Junior"]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "E97"]
[PlyCount "91"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. bxa5 Rxa5 11. Nd2 Ra8 12. Nb3 Nd7 13. Be3 f5 14. f3 b6 15. a4 f4 16. Bf2 Nc5 17. a5 Nxb3 18. Qxb3 bxa5 19. Ra3 g5 20. Rfa1 Rf6 21. Rxa5 Rxa5 22. Rxa5 Rh6 23. c5 Qe8 24. cxd6 cxd6 25. Ra8 Qh5 26. Ba6 Qxh2+ 27. Kf1 Qh1+ 28. Bg1 Rh2 29. Qb2 g4 30. Bxc8 Nxc8 31. Rxc8+ Kf7 32. fxg4 f3 33. Qf2 Qxg2+ 34. Qxg2 Rxg2 35. Nb5 Bf8 36. Rc7+ Kg6 37. Rd7 Rxg4 38. Nxd6 Bxd6 39. Rxd6+ Kf7 40. Rd7+ Ke8 41. Rxh7 Rxe4 42. d6 Rb4 43. Be3 Rb1+ 44. Kf2 Rd1 45. Re7+ Kf8 46. Bh6+ 1-0

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.06"]
[Round "6"]
[White "Medrano Urresti, David G"]
[Black "Bustamante Casas, Richard"]
[Result "0-1"]
[ECO "E52"]
[PlyCount "57"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb4 5. Bd2 Bb7 6. e3 0-0 7. Bd3 d5 8. cxd5 exd5 9. 0-0 Nbd7 10. a3 Be7 11. b4 c5 12. bxc5 bxc5 13. dxc5 Nxc5 14. Be2 Nfe4 15. Nb5 Nxd2 16. Nxd2 f5 17. Nd4 f4 18. N2b3 fxe3 19. Nxc5 exf2+ 20. Kh1 Bxc5 21. Ne6 Qd6 22. Nxf8 Rxf8 23. Qb3 Bc6 24. Qh3 Bd7 25. Qh4 Be3 26. Rab1 Bc6 27. Bd3 Qxa3 28. Rxf2 Bxf2 29. Qxf2 0-1

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.05"]
[Round "5"]
[White "De Miranda, Alexandre Pinto"]
[Black "Medrano Urresti, David G"]
[Result "0-1"]
[ECO "E98"]
[PlyCount "64"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 a5 11. Nd3 f5 12. f3 Nf6 13. a3 f4 14. Bf2 g5 15. b4 Kh8 16. c5 axb4 17. cxd6 cxd6 18. axb4 Rxa1 19. Qxa1 g4 20. Qa5 Qe8 21. Nb5 Qg6 22. Nxd6 g3 23. Nxe5 gxf2+ 24. Rxf2 Qh5 25. Nd3 Nd7 26. Rf1 Bd4+ 27. Nf2 Qg6 28. Nf5 Rg8 29. g3 Nxf5 30. exf5 Qxf5 31. g4 Qc2 32. Qb5 Ne5 0-1

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.03"]
[Round "3"]
[White "Medrano Urresti, David G"]
[Black "Chiamulera, R."]
[Result "0-1"]
[ECO "D18"]
[PlyCount "73"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 Nbd7 7. Bxc4 Qc7 8. 0-0 e5 9. e4 Bg4 10. Qb3 Bh5 11. Ng5 Nb6 12. dxe5 Ng4 13. Be2 f6 14. Qe6+ Qe7 15. Bxg4 Bxg4 16. Qxg4 fxg5 17. Bxg5 Qxe5 18. Bf4 Qf6 19. Rfd1 Be7 20. a5 0-0 21. axb6 Qxf4 22. Qxf4 Rxf4 23. Rxa7 Rb8 24. Rd7 Bc5 25. Nd1 Rxe4 26. Kf1 Rd4 27. Raxb7 Rxb7 28. Rxb7 Rxd1+ 29. Ke2 Rb1 30. Rb8+ Kf7 31. b7 Rxb2+ 32. Kd3 Ba7 33. Rc8 Rxb7 34. Rxc6 Bxf2 35. Rc4 Rb6 36. Ke2 Rf6 37. h3 0-1

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.02"]
[Round "2"]
[White "De Figueiredo, L."]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "73"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 c6 5. Bg2 0-0 6. Nc3 d5 7. cxd5 cxd5 8. d4 Nc6 9. Nf3 Bf5 10. 0-0 Rc8 11. Rc1 Qd7 12. Ne5 Nxe5 13. dxe5 Ne4 14. Nxe4 Rxc1 15. Bxc1 dxe4 16. Qxd7 Bxd7 17. Bxe4 Bxe5 18. Bxb7 Bb5 19. Rd1 Rb8 20. Bf3 Rc8 21. Ba3 Rc2 22. Bxe7 Bxe2 23. Bxe2 Rxe2 24. a3 Kg7 25. Kf1 Rb2 26. b4 Rb3 27. a4 a6 28. a5 Bc3 29. Rd6 Rxb4 30. Rxa6 Rb5 31. Bd8 Rd5 32. Bb6 Rd2 33. Ra8 Rb2 34. Be3 Rb4 35. a6 Bd4 36. a7 Bxe3 37. Rg8+ 1-0

[Event "Pan American-ch U18"]
[Site "Matinhos"]
[Date "1999.10.01"]
[Round "1"]
[White "Medrano Urresti, David G"]
[Black "Coelho, Luis Henrique"]
[Result "0-1"]
[ECO "D10"]
[BlackElo "2041"]
[PlyCount "108"]
[EventDate "1999.10.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 072 Extra"]
[Source "ChessBase"]
[SourceDate "1999.11.18"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. dxe5 d4 6. Ne4 Qa5+ 7. Bd2 Qxe5 8. Ng3 Nf6 9. Nf3 Qd5 10. Qa4+ Nc6 11. e3 dxe3 12. Bxe3 Bb4+ 13. Bd2 Bxd2+ 14. Nxd2 0-0 15. Nf3 Ne5 16. Nxe5 Qxe5+ 17. Be2 Qxb2 18. 0-0 Bd7 19. Qf4 Bc6 20. Bc4 Rae8 21. Rfe1 Qc3 22. Red1 Qe5 23. Qd2 h5 24. Rac1 h4 25. Re1 Rd8 26. Rxe5 Rxd2 27. Nf5 Be4 28. Nxh4 Re8 29. Rxe8+ Nxe8 30. Re1 Nd6 31. Bb3 g5 32. Nf3 Bxf3 33. gxf3 Kf8 34. Re5 f6 35. Re6 Kg7 36. Kf1 Nf5 37. Ke1 Rd7 38. Re8 Nd4 39. Bd1 Kg6 40. Re3 Kf5 41. Kf1 b5 42. Kg2 Rc7 43. Re4 Ne6 44. Kg3 Nf4 45. Rd4 a5 46. Rd2 Ke5 47. Rc2 Rxc2 48. Bxc2 Ne2+ 49. Kg4 b4 50. Bb3 Nc1 51. f4+ gxf4 52. h4 Nxb3 53. axb3 a4 54. h5 Ke6 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "2"]
[White "Fontana, Rodrigo Dal Bosco"]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "93"]
[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. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. c3 Bf5 7. 0-0 0-0 8. Bg5 Bxd3 9. Qxd3 c6 10. Nbd2 Re8 11. Bh4 Qc7 12. Bg3 Nd7 13. b3 Ng6 14. c4 Nf4 15. Bxf4 Bxf4 16. Rfc1 Nf6 17. g3 Bh6 18. Ne5 Ne4 19. f4 Nxd2 20. Qxd2 dxc4 21. bxc4 Rad8 22. Qf2 Qd6 23. Rd1 g6 24. Rab1 b6 25. Qf3 c5 26. d5 Bg7 27. Nc6 Rd7 28. Re1 Bd4+ 29. Kg2 Rc8 30. Re4 Rxc6 31. dxc6 Rc7 32. Re8+ Kg7 33. Qd5 Qxc6 34. Qxc6 Rxc6 35. Re7 a5 36. Rb7 Re6 37. Kf1 Re3 38. Rb3 Rc3 39. Rxc3 Bxc3 40. Rxb6 Bb4 41. Ke2 Kf8 42. Kd3 Ke8 43. Ke4 Kd7 44. Kd5 a4 45. Rb7+ Ke8 46. Rc7 a3 47. Rxc5 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "5"]
[White "Medrano Urresti, David G"]
[Black "Achutti, Andre"]
[Result "0-1"]
[ECO "D66"]
[PlyCount "44"]
[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. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Be7 7. Rc1 0-0 8. Bd3 Re8 9. 0-0 h6 10. Bh4 dxc4 11. Bxc4 b5 12. Bd3 Bb7 13. h3 a6 14. Bg3 c5 15. Qe2 Rc8 16. Rfd1 Qb6 17. Bb1 g6 18. e4 cxd4 19. Nxd4 Nc5 20. Qe3 b4 21. Nce2 Nfxe4 22. Qxh6 Bg5 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "1"]
[White "Medrano Urresti, David G"]
[Black "Beltran, Horacio"]
[Result "1-0"]
[ECO "D32"]
[PlyCount "73"]
[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. d4 Nf6 2. c4 c5 3. e3 e6 4. Nf3 d5 5. Nc3 Nc6 6. cxd5 exd5 7. Bb5 a6 8. Be2 c4 9. 0-0 Bd6 10. a4 Rb8 11. b3 b5 12. axb5 axb5 13. bxc4 bxc4 14. e4 dxe4 15. Ng5 Bf5 16. Bxc4 0-0 17. Nb5 Bxh2+ 18. Kxh2 Ng4+ 19. Kg1 Rxb5 20. Bxb5 Nxd4 21. Be2 Nxe2+ 22. Qxe2 Qd6 23. g3 h6 24. Ba3 Qg6 25. Nh3 Re8 26. Nf4 Qg5 27. Bb2 h5 28. Ng2 e3 29. f4 Qe7 30. Bd4 Qe4 31. Bb2 Be6 32. Qf3 Qc2 33. Bd4 Bf5 34. Rac1 Qd3 35. Rfd1 Qb3 36. Nh4 Be4 37. Qe2 1-0

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "6"]
[White "Medrano Urresti, David G"]
[Black "Chagas, Humberto Luiz C"]
[Result "0-1"]
[ECO "D43"]
[PlyCount "42"]
[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. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. a4 b4 10. e5 bxc3 11. exf6 Bb4 12. bxc3 Bxc3+ 13. Nd2 Bxa1 14. Qxa1 0-0 15. Nxc4 Ba6 16. Bd3 Qd5 17. Qc3 Bxc4 18. Bxc4 Qxg2 19. Rf1 Qe4+ 20. Kd2 Rd8 21. Be5 Qxe5 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "3"]
[White "Medrano Urresti, David G"]
[Black "Emendorfer, Daniel V Goncalves"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "64"]
[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. d4 Nf6 2. c4 c5 3. e3 e6 4. Nf3 cxd4 5. exd4 Be7 6. Nc3 0-0 7. Bd3 Nc6 8. 0-0 Nb4 9. Be2 d5 10. a3 Nc6 11. Bf4 a6 12. Re1 Re8 13. Rc1 Bf8 14. Qd2 Na5 15. Qd1 Nxc4 16. Bxc4 dxc4 17. Ne5 b5 18. Qf3 Bd7 19. Bg5 Rc8 20. Ne4 Be7 21. Nxf6+ Bxf6 22. Bxf6 gxf6 23. Nxd7 Qxd7 24. Qxf6 Qd8 25. Qh6 Qxd4 26. Rc3 Kh8 27. Rh3 Qg7 28. Qf4 Rcd8 29. Rg3 Qd4 30. Qxf7 Rf8 31. Qxe6 Qxf2+ 32. Kh1 Qf1+ 0-1

[Event "Pan American-ch U16"]
[Site "Florianopolis"]
[Date "1998.??.??"]
[Round "4"]
[White "Stiegemeier, Marcelo"]
[Black "Medrano Urresti, David G"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "54"]
[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. Nc3 g6 3. Nf3 Bg7 4. d4 0-0 5. g3 c6 6. Bg2 Na6 7. 0-0 Nc7 8. Bf4 d5 9. b3 Bf5 10. Qd2 Ne4 11. Nxe4 Bxe4 12. Bh6 Ne8 13. Bxg7 Kxg7 14. Ng5 Bxg2 15. Kxg2 Nf6 16. f3 Re8 17. Qf4 h6 18. Nh3 Qb8 19. Nf2 e5 20. dxe5 Qxe5 21. Qxe5 Rxe5 22. cxd5 Nxd5 23. Nd3 Rxe2+ 24. Rf2 Rae8 25. Rd1 Nc3 26. Rxe2 Rxe2+ 27. Kf1 Rxh2 0-1

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Bustamante Casas, Richard"]
[Black "Medrano Urresti, David G"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "66"]
[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 d6 3. Nc3 g6 4. e4 Bg7 5. f3 0-0 6. Be3 Nbd7 7. Qd2 Re8 8. Bd3 c5 9. d5 Ne5 10. Nge2 Rb8 11. 0-0-0 Bd7 12. Rdf1 a6 13. g4 b5 14. cxb5 c4 15. Bb1 axb5 16. h3 b4 17. Nd1 Qc7 18. Ng3 Nd3+ 19. Bxd3 cxd3+ 20. Kb1 Rec8 21. Nf2 b3 22. a3 Qc2+ 23. Ka1 Qxd2 24. Bxd2 Rc2 25. Bc3 Bb5 26. Rhg1 Ra8 27. Ngh1 Nxd5 28. Bxg7 Ne3 29. Bh6 Nc4 30. Nxd3 Nxa3 31. bxa3 Rxa3+ 32. Kb1 Bxd3 33. Rd1 Ra1+ 0-1

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Cubas, Jose Fernando"]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2110"]
[PlyCount "65"]
[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 g6 5. c4 Bg7 6. Be3 Nf6 7. f3 0-0 8. Nc3 Nc6 9. Qd2 Re8 10. Be2 a6 11. 0-0 Bd7 12. Rfd1 Qc7 13. Rac1 Rad8 14. Nd5 Qa5 15. Nxc6 Qxd2 16. Ncxe7+ Kh8 17. Rxd2 Nxd5 18. Nxd5 Be6 19. Nc7 Rf8 20. Nxe6 fxe6 21. Rcd1 d5 22. b3 Rfe8 23. cxd5 exd5 24. Bg5 Rd7 25. Rxd5 Rxd5 26. Rxd5 h6 27. Rd8 Rxd8 28. Bxd8 Bd4+ 29. Kf1 Kg7 30. Bc4 Be5 31. Kf2 Kf8 32. Bb6 Ke7 33. Bd5 1-0

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Medrano Urresti, David G"]
[Black "Leonel, Davi"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "67"]
[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 d5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 g6 5. c4 dxc4 6. 0-0 Bg7 7. Nc3 e6 8. Bg5 Qd7 9. Qd2 Nd5 10. Rfd1 0-0 11. Bh6 b6 12. Bxg7 Kxg7 13. Ne5 Nxe5 14. dxe5 c6 15. Qg5 h6 16. Qg4 Qe7 17. Qxc4 Bb7 18. Rac1 Rac8 19. Qa4 a6 20. Ne4 b5 21. Qb3 c5 22. Nd6 Rc7 23. Nxb7 c4 24. Qc2 Rxb7 25. Bxd5 exd5 26. Rxd5 Rd7 27. Rxd7 Qxd7 28. Rd1 Qe7 29. Qc3 Kg8 30. Rd6 Rd8 31. Qd2 Ra8 32. Qd5 Re8 33. Rxg6+ Kh7 34. Rxa6 1-0

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Medrano Urresti, David G"]
[Black "Leonel, Jeisson"]
[Result "1-0"]
[ECO "D77"]
[PlyCount "59"]
[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 d5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 g6 5. c4 e6 6. 0-0 Bg7 7. Nc3 0-0 8. Bf4 a6 9. Rc1 Re8 10. Ne5 Nh5 11. Nxc6 bxc6 12. Qd2 e5 13. Bxe5 Bxe5 14. dxe5 Rxe5 15. Rfd1 Be6 16. f4 Rf5 17. g4 Rxf4 18. gxh5 Rg4 19. cxd5 cxd5 20. Nxd5 c6 21. Ne3 Qxd2 22. Rxd2 Rg5 23. hxg6 hxg6 24. a3 Bh3 25. Kh1 Bd7 26. Rxd7 Re8 27. Rd3 c5 28. Bf3 Rge5 29. Ng4 Rg5 30. Nf6+ 1-0

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Medrano Urresti, David G"]
[Black "Nicolelli, Sebastian"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "120"]
[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. g3 b6 4. Bg2 Bb7 5. c4 Be7 6. 0-0 0-0 7. Nc3 d5 8. Ne5 c5 9. e3 Nc6 10. Nxc6 Bxc6 11. a3 Qd7 12. cxd5 Nxd5 13. e4 Nxc3 14. bxc3 Rfd8 15. Be3 Qb7 16. Qc2 cxd4 17. Bxd4 Rac8 18. f3 Bb5 19. Rfb1 Rxd4 20. Rxb5 Qc6 21. Rb3 Rc4 22. Rc1 Qc5+ 23. Qf2 Qxf2+ 24. Kxf2 Bf6 25. Bf1 Rxc3 26. Rbxc3 Rxc3 27. Rxc3 Bxc3 28. Ke3 Kf8 29. Kd3 Bb2 30. a4 Ke7 31. Kc2 Bd4 32. Bb5 Bg1 33. h3 Bf2 34. g4 Kf6 35. Kd3 Ke5 36. Be8 f6 37. Ke2 Bc5 38. Kf1 g5 39. Bb5 Be3 40. Kg2 Kd6 41. Kf1 Kc5 42. Ke2 Bf4 43. Kd1 Kb4 44. Kc2 Be3 45. Kd3 Bg1 46. Kc2 Bd4 47. Kd3 e5 48. Kc2 a6 49. Bxa6 Kxa4 50. Bb7 Kb4 51. Bd5 b5 52. Bb3 Ba1 53. Bd5 Kc5 54. Kd3 Bb2 55. Ba2 Kb4 56. Kc2 Ba1 57. Bg8 h6 58. Bd5 Kc5 59. Kd3 b4 60. Ba2 Bc3 1/2-1/2

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Ratcu, Fabio Kaawar"]
[Black "Medrano Urresti, David G"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "94"]
[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 d5 3. Bg5 e6 4. Nbd2 c5 5. c3 Nc6 6. e3 Be7 7. Bd3 Bd7 8. 0-0 h6 9. Bh4 0-0 10. Qe2 Qb6 11. Rab1 Rac8 12. Ne5 Rfe8 13. Bxf6 Nxe5 14. Bxe7 Nxd3 15. Bh4 c4 16. f4 e5 17. fxe5 Qg6 18. Kh1 Bf5 19. Qf3 Bg4 20. Qxd5 Be2 21. Rg1 Qg5 22. Be1 Qxe3 23. Nxc4 Qf2 24. Nd6 Red8 25. h3 Qf4 26. Qe4 Qxe4 27. Nxe4 Nxe5 28. Ng3 Bd3 29. Rd1 Bg6 30. Bd2 Nd3 31. Rgf1 Nxb2 32. Rde1 Nc4 33. Bc1 Re8 34. Kh2 Nb6 35. Bd2 Nd5 36. Rxe8+ Rxe8 37. Re1 Rxe1 38. Bxe1 Bd3 39. Bd2 Kf8 40. Kg1 Ke7 41. Kf2 Kd6 42. Kf3 Kc6 43. Ne4 Nb6 44. g4 Nc4 45. Bc1 Kd5 46. Nc5 Bb1 47. a3 b6 1/2-1/2

[Event "Pan American-ch"]
[Site "Merida"]
[Date "1997.??.??"]
[Round "?"]
[White "Zambrana, Oswaldo"]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "B73"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. 0-0 Nc6 9. Bf3 Ne5 10. Be2 Neg4 11. Bg5 h6 12. Bh4 Qb6 13. Nb3 Ne5 14. Bxf6 Bxf6 15. Nd5 Qd8 16. Nxf6+ exf6 17. Qd2 Kg7 18. Rad1 Qc7 19. c3 Rd8 20. Nd4 a6 21. f4 Nc4 22. Bxc4 Qxc4 23. Qf2 Qxa2 24. e5 dxe5 25. fxe5 f5 26. Qh4 Re8 27. Qf6+ Kg8 28. g4 Kh7 29. b3 Be6 30. Nxe6 Rxe6 31. Qxf7+ Kh8 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Bachmann, Rene"]
[Black "Medrano Urresti, David G"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "120"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Be2 e6 9. 0-0 Nf6 10. Be3 Bd6 11. h3 Bh5 12. Rc1 a6 13. Qc2 0-0 14. Rfd1 Rc8 15. Ne4 Nxd4 16. Qxc8 Nxe2+ 17. Kh1 Qxc8 18. Rxc8 Rxc8 19. Nxd6 Rd8 20. g4 Bg6 21. Rd2 Nc1 22. Nxb7 Rxd2 23. Nxd2 Nxa2 24. Nc5 Nb4 25. Nc4 Nfd5 26. Bd2 Bd3 27. Ne5 Bb5 28. Kg2 f6 29. Nf3 e5 30. Kg3 Nd3 31. Nxd3 Bxd3 32. Ne1 Bb5 33. Nc2 Kf7 34. Kf3 g5 35. Nb4 Nxb4 36. Bxb4 Ke6 37. Ke4 Bf1 38. Ke3 Bxh3 39. f3 Bf1 40. Ba5 f5 41. Bd8 fxg4 42. fxg4 h6 43. Ke4 Bg2+ 44. Ke3 e4 45. Kf2 Bf3 46. Kg3 Kf7 47. Bb6 Kg6 48. Be3 h5 49. gxh5+ Kxh5 50. Kh3 g4+ 51. Kg3 Kg6 52. Kf4 Kf7 53. Bf2 Ke6 54. Ke3 Kd5 55. Kd2 Kc4 56. Kc2 a5 57. b3+ Kb4 58. Be1+ Kb5 59. Bf2 a4 60. bxa4+ Kxa4 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Carvalho, Rodrigo"]
[Black "Medrano Urresti, David G"]
[Result "1/2-1/2"]
[ECO "B28"]
[PlyCount "49"]
[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 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 d6 8. Bc4 0-0 9. Nd5 Bxd2+ 10. Nxd2 b5 11. Nxf6+ Qxf6 12. Bd5 Ra7 13. Qf3 Nd7 14. Qxf6 Nxf6 15. Bb3 Bb7 16. f3 d5 17. exd5 Bxd5 18. Bxd5 Nxd5 19. 0-0 f6 20. c4 bxc4 21. Nxc4 Rc7 22. Nd6 Rc2 23. Rf2 Rxf2 24. Kxf2 Rb8 25. Nc4 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Leitao, Nicolau Daulibe"]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "91"]
[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. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bxf6 Bxf6 5. Nf3 d5 6. e5 Be7 7. Bd3 c5 8. c3 Nc6 9. 0-0 Qb6 10. b3 Bd7 11. Be2 Rc8 12. a3 0-0 13. b4 cxd4 14. cxd4 a6 15. Qd2 f6 16. Bd3 Kh8 17. Bc2 Qc7 18. Qd3 f5 19. Bb3 Be8 20. Nbd2 Nxb4 21. axb4 Bb5 22. Qb1 Bxf1 23. Nxf1 Qb6 24. Ra4 Qb5 25. Bc2 Rc4 26. Ne3 Rxb4 27. Rxb4 Qxb4 28. Qxb4 Bxb4 29. Kf1 Rc8 30. Bb3 Rc3 31. Bd1 Kg8 32. Ng5 Rc6 33. Bb3 Bc3 34. Nxe6 Rxe6 35. Nxd5 Rh6 36. Nxc3+ Kf8 37. h3 Ke7 38. Nd5+ Kd7 39. Ke2 Rg6 40. Kf3 b5 41. Bc2 Rg5 42. Bd3 Kc6 43. Ne7+ Kd7 44. Nxf5 a5 45. Bxb5+ Ke6 46. Ne3 1-0

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Medrano Urresti, David G"]
[Black "Bozzano, Enio Jr"]
[Result "1/2-1/2"]
[ECO "E07"]
[PlyCount "69"]
[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. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. g3 c6 7. Bg2 Be7 8. 0-0 0-0 9. Qc2 Re8 10. Bf4 Nh5 11. Bd2 g6 12. Rfe1 Ndf6 13. Ne5 Bd6 14. f4 Qb6 15. e3 Bf5 16. Qb3 Qxb3 17. axb3 Bc2 18. g4 Ng7 19. g5 Nfh5 20. e4 dxe4 21. Nxe4 Bxe4 22. Bxe4 Re7 23. Ra5 Ne6 24. d5 cxd5 25. Rxd5 Rd8 26. f5 Bxe5 27. Rxe5 Rxd2 28. fxe6 Rxe6 29. Rxe6 fxe6 30. Bxb7 Rxb2 31. Bc8 Ng7 32. Bxe6+ Nxe6 33. Rxe6 Rb1+ 34. Kg2 Rb2+ 35. Kg1 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Medrano Urresti, David G"]
[Black "Dumas Aviles, Mario"]
[Result "0-1"]
[ECO "E07"]
[BlackElo "2030"]
[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. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 c6 6. Bg2 0-0 7. 0-0 Nbd7 8. Bf4 dxc4 9. Rc1 Nd5 10. Bd2 N7f6 11. Ne5 c5 12. dxc5 Bxc5 13. Nxc4 b6 14. Bg5 Nxc3 15. Rxc3 Qxd1 16. Rxd1 Nd5 17. Rcd3 Ba6 18. b3 f6 19. Bc1 Rfe8 20. Rxd5 exd5 21. Bxd5+ Kf8 22. Bxa8 Rxa8 23. e3 b5 24. Ba3 b4 25. Bb2 Ke8 26. Nd6+ Bxd6 27. Rxd6 Bb7 28. Bd4 Rc8 29. h4 Rc1+ 30. Kh2 0-1

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Medrano Urresti, David G"]
[Black "Rodrigues, Walter Jr"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "42"]
[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. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 d6 5. c4 0-0 6. 0-0 Re8 7. Nc3 Bf5 8. Qb3 Qc8 9. Re1 b6 10. Nh4 c6 11. Nxf5 Qxf5 12. Nd1 Ne4 13. Be3 Ng5 14. Rc1 Nh3+ 15. Kh1 h5 16. Qc2 Qd7 17. Qe4 Bf6 18. Bxh3 Qxh3 19. Qg2 Qxg2+ 20. Kxg2 Nd7 21. Nc3 Rab8 1/2-1/2

[Event "Pan American-chT1"]
[Site "Cascavel"]
[Date "1996.??.??"]
[Round "?"]
[White "Umetsubo, Otavio"]
[Black "Medrano Urresti, David G"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "89"]
[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. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 Bf5 6. Be2 0-0 7. 0-0 Nbd7 8. c4 c5 9. Nc3 Ne4 10. g4 Nxc3 11. bxc3 Be4 12. Nd2 Bc6 13. d5 Bxc3 14. dxc6 Bxa1 15. Qxa1 Nf6 16. Bh6 Re8 17. g5 e5 18. gxf6 Qxf6 19. f4 Qh4 20. Bg4 Qxh6 21. Ne4 f5 22. Nf6+ Kf7 23. Nxe8 Rxe8 24. fxe5 Qxe3+ 25. Kh1 bxc6 26. exd6 Qg3 27. Qd1 Rd8 28. d7 h5 29. Bxf5 gxf5 30. Qxh5+ Ke7 31. Qh7+ Ke6 32. Qxf5+ Kd6 33. Qf3 Qxf3+ 34. Rxf3 Rxd7 35. Rd3+ Ke6 36. Rxd7 Kxd7 37. Kg2 Ke6 38. Kf3 Ke5 39. Ke3 a6 40. a3 a5 41. a4 Kf5 42. h4 Kg4 43. Ke4 Kxh4 44. Ke5 Kg5 45. Kd6 1-0

