[Event "CHI-chT Universities"]
[Site "Valparaiso"]
[Date "2007.11.11"]
[Round "6"]
[White "Herrera Zepeda, Andres"]
[Black "Zuniga Terrazas, Jorge"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2137"]
[BlackElo "1990"]
[PlyCount "77"]
[EventDate "2007.11.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Universidad de Concepcion"]
[BlackTeam "Universidad Arturo Prat"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. d3 0-0 6. c3 d6 7. Re1 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 Re8 13. Ng3 h6 14. h3 Bf8 15. d4 cxd4 16. cxd4 exd4 17. Nxd4 Nxd4 18. Qxd4 Bb7 19. Bf4 Qc7 20. Rac1 Qc5 21. Qd2 Qb6 22. Be3 Qd8 23. Bd4 Rc8 24. Rcd1 Nd7 25. Re3 Ne5 26. b3 Qc7 27. Rc1 Qb8 28. Nf5 Qa8 29. Rce1 Kh7 30. f4 Nd7 31. e5 g6 32. e6 Rxe6 33. Rxe6 fxe6 34. Nh4 e5 35. Bxg6+ Kg8 36. fxe5 Nxe5 37. Bxe5 dxe5 38. Qd7 Qa7+ 39. Kh2 1-0

[Event "CHI-chT Universities"]
[Site "Valparaiso"]
[Date "2007.11.11"]
[Round "7"]
[White "Poblete Mella, Lautaro"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2135"]
[BlackElo "2137"]
[PlyCount "92"]
[EventDate "2007.11.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Universidad de La Serena"]
[BlackTeam "Universidad de Concepcion"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 b5 8. Bb3 Nbd7 9. Re1 Nc5 10. Bd5 Nxd5 11. Nxd5 Bb7 12. Qf3 Be7 13. Nxe7 Qxe7 14. Qg4 0-0-0 15. b4 h5 16. Qf3 Na4 17. c4 bxc4 18. Bd2 Kb8 19. Qa3 Qd7 20. b5 Nc5 21. Rab1 Ka8 22. bxa6 Bxe4 23. Rb7 Qa4 24. Qxa4 Nxa4 25. Rxf7 Bd5 26. Nb5 Rhf8 27. Ra7+ Kb8 28. Re7 Nc5 29. a7+ Ka8 30. Nc7+ Kxa7 31. Nxd5+ Ka6 32. Nc7+ Kb6 33. Nxe6 Nxe6 34. R1xe6 Rf6 35. f3 Kb5 36. Bc3 Rxe6 37. Rxe6 d5 38. Bd4 Kb4 39. Rb6+ Ka3 40. Kf2 Kxa2 41. Ke3 g5 42. Kd2 g4 43. Kc2 Ka3 44. Kc3 Ka4 45. Rb4+ Ka3 46. Bc5 Rc8 1-0

[Event "CHI-chT Universities"]
[Site "Valparaiso"]
[Date "2007.11.10"]
[Round "4"]
[White "Herrera Zepeda, Andres"]
[Black "Terrazas Alarcon, German Alfred"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2137"]
[PlyCount "66"]
[EventDate "2007.11.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Universidad de Concepcion"]
[BlackTeam "Universidad de Antofagasta"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 0-0 5. e3 d6 6. Bb2 Ba5 7. Be2 Nc6 8. 0-0 Re8 9. d3 Bg4 10. Nbd2 Nd5 11. h3 Bc3 12. Qc1 Qf6 13. Rb1 Bh5 14. Ne4 Rxe4 15. dxe4 Bxb2 16. Rxb2 Nc3 17. Re1 Nxe2+ 18. Rxe2 Bxf3 19. gxf3 Qxf3 20. Qf1 Re8 21. Rxb7 Ne5 22. Rxc7 h6 23. Rxa7 Re6 24. Ra4 Rg6+ 25. Kh2 Qh5 26. f4 Nf3+ 27. Kh1 Rg1+ 28. Qxg1 Nxg1 29. Rg2 Nxh3 30. Rg3 Qd1+ 31. Kg2 Qxc2+ 32. Kxh3 Qxa4 33. Rg2 Qxe4 0-1

[Event "CHI-chT Universities"]
[Site "Valparaiso"]
[Date "2007.11.10"]
[Round "5"]
[White "Perez Ponce, Jose"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "A13"]
[BlackElo "2137"]
[PlyCount "85"]
[EventDate "2007.11.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Universidad Valparaiso"]
[BlackTeam "Universidad de Concepcion"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. cxd5 exd5 5. Bg2 Bd6 6. d3 0-0 7. 0-0 Re8 8. b3 Nbd7 9. Bb2 Nf8 10. Nc3 c6 11. Qc2 Ng6 12. Rad1 Bg4 13. h3 Bxf3 14. Bxf3 Qc7 15. Bg2 Re7 16. e4 dxe4 17. Nxe4 Nd5 18. Nxd6 Qxd6 19. Qc1 Rd7 20. Rfe1 Rad8 21. Re2 Qc7 22. Rde1 Re7 23. Bxd5 Rxe2 24. Rxe2 Rxd5 25. Re8+ Nf8 26. Qc3 f6 27. Ba3 c5 28. d4 Kf7 29. Qe3 Qd7 30. Ra8 b6 31. dxc5 Rd1+ 32. Kh2 Qc6 33. Rxa7+ Nd7 34. g4 g5 35. f3 b5 36. Qe4 Rd5 37. Qxh7+ Ke6 38. Qg8+ Ke5 39. Qe8+ Kd4 40. Qe4+ Kc3 41. Bb4+ Kb2 42. Qe2+ Kb1 43. Ba3 1-0

[Event "CHI-chT Universities"]
[Site "Valparaiso"]
[Date "2007.11.09"]
[Round "3"]
[White "Herrera Zepeda, Andres"]
[Black "Miranda Meneses, Mario Christopher"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2137"]
[PlyCount "120"]
[EventDate "2007.11.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Universidad de Concepcion"]
[BlackTeam "Universidad Santa Maria"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. d3 d6 6. c3 Bg4 7. Nbd2 0-0 8. h3 Bh5 9. Re1 Na5 10. Bb5 a6 11. Ba4 b5 12. Bc2 c5 13. Nf1 h6 14. Ng3 Bg6 15. Nh4 Nh7 16. Nhf5 Bg5 17. Rf1 Bxc1 18. Rxc1 Nc6 19. Bb3 Kh8 20. Bd5 Rc8 21. f4 Bxf5 22. Nxf5 Ne7 23. Nxe7 Qxe7 24. fxe5 dxe5 25. Rf5 g6 26. Rf2 Kg7 27. Qd2 Ng5 28. Rcf1 f6 29. b3 Ne6 30. Bxe6 Qxe6 31. Qe3 h5 32. Rd1 Rc6 33. Rfd2 Rd8 34. Qf3 Rcd6 35. Qe3 Qc8 36. Kf2 g5 37. Ke2 h4 38. Qf3 Qc6 39. Qe3 Qc7 40. Rc1 Rc6 41. c4 b4 42. Rg1 Rd4 43. g3 hxg3 44. Qxg3 Qf7 45. h4 Qh5+ 46. Ke3 Kg6 47. hxg5 Qxg5+ 48. Qxg5+ fxg5 49. Rdg2 Rcd6 50. Rxg5+ Kh6 51. Rxe5 Rxd3+ 52. Kf4 Rd2 53. Rh1+ Kg7 54. Rg5+ Rg6 55. Rxg6+ Kxg6 56. Ke5 Rxa2 57. Kd5 Re2 58. Kxc5 Rxe4 59. Kxb4 Re6 60. Rf1 Re3 1-0

[Event "CHI-chT Universities"]
[Site "Valparaiso"]
[Date "2007.11.09"]
[Round "2"]
[White "Paredes Garcia, Jaime"]
[Black "Herrera Zepeda, Andres"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1913"]
[BlackElo "2137"]
[PlyCount "70"]
[EventDate "2007.11.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Universidad de Magallanes"]
[BlackTeam "Universidad de Concepcion"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. f4 exf4 9. Bxf4 Be7 10. 0-0 Nc6 11. a4 0-0 12. Kh1 Ne5 13. Nd4 Rc8 14. Bxe5 dxe5 15. Nxe6 fxe6 16. Bd3 Bc5 17. Qe2 Qb6 18. Nd1 Rfd8 19. c3 Qd6 20. Rf3 Nh5 21. g3 Rc7 22. Kg2 Rcd7 23. Nf2 Bxf2 24. Kxf2 Qb6+ 25. Kg2 Rxd3 26. Rxd3 Rxd3 27. Qxh5 Qxb2+ 28. Kh3 g6 29. Qxe5 Qxa1 30. Qxe6+ Kf8 31. Qf6+ Ke8 32. Qe6+ Kd8 33. Qg8+ Kd7 34. Qf7+ Kd6 35. Qf4+ Kc6 0-1

[Event "CHI-chT Universities"]
[Site "Valparaiso"]
[Date "2007.11.08"]
[Round "1"]
[White "Herrera Zepeda, Andres"]
[Black "Diaz Fuenzalida, Juan"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2137"]
[BlackElo "2151"]
[PlyCount "77"]
[EventDate "2007.11.08"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Universidad de Concepcion"]
[BlackTeam "Universidad de Chile"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "CHI"]

1. b4 d5 2. Bb2 Bf5 3. e3 e6 4. Nf3 Nf6 5. a3 Nbd7 6. c4 Be7 7. cxd5 exd5 8. d3 c6 9. Be2 a5 10. b5 c5 11. a4 0-0 12. 0-0 Bd6 13. Nbd2 Qe7 14. Rc1 Rfe8 15. Re1 Rad8 16. Bf1 Bg4 17. h3 Bh5 18. Qc2 b6 19. g4 Bg6 20. Nh4 h5 21. Nxg6 fxg6 22. g5 Nh7 23. h4 Ne5 24. Bxe5 Qxe5 25. f4 Qf5 26. Nf3 d4 27. exd4 Qxf4 28. Rxe8+ Rxe8 29. dxc5 Bxc5+ 30. d4 Bd6 31. Bg2 Nf8 32. Qd2 Re3 33. Ne5 Kh7 34. Qf2 Qxd4 35. Nc4 Bf4 36. Rf1 Ne6 37. Rc1 Nc5 38. Kh1 Rh3+ 39. Kg1 0-1

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "2004.02.15"]
[Round "8.14"]
[White "Herrera Zepeda, Andres"]
[Black "Cerda Albornoz, Guillermo Fidel"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2126"]
[BlackElo "2207"]
[PlyCount "68"]
[EventDate "2004.02.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 Bg4 3. Nf3 Nd7 4. e3 e5 5. Be2 Bd6 6. a3 Ngf6 7. h3 Bh5 8. d4 Bxf3 9. gxf3 e4 10. f4 a6 11. c4 c6 12. c5 Bc7 13. a4 Nf8 14. Nd2 Ng6 15. Nb3 Nh4 16. Bc3 Qe7 17. b5 axb5 18. axb5 Rxa1 19. Qxa1 0-0 20. Ba5 Bb8 21. Bb6 Nd7 22. Qa5 Nf3+ 23. Bxf3 exf3 24. Bc7 Nxc5 25. Nxc5 Bxc7 26. Qa7 b6 27. Na6 Qe4 28. Kd2 Bxf4 29. bxc6 Bxe3+ 30. fxe3 f2 31. Rf1 Re8 32. Qd7 Qxe3+ 33. Kc2 Qe2+ 34. Kb3 Qc4+ 0-1

[Event "CHI-ch"]
[Site "Santiago de Chile"]
[Date "2004.02.09"]
[Round "1.2"]
[White "Rojas Keim, Luis Alberto"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2408"]
[BlackElo "2126"]
[PlyCount "53"]
[EventDate "2004.02.09"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 e6 8. 0-0 Be7 9. Qf3 Qc7 10. Qg3 0-0 11. Bh6 Ne8 12. Rad1 Bb7 13. a3 Nc6 14. Nxc6 Bxc6 15. f4 a5 16. f5 b4 17. fxe6 fxe6 18. Bxe6+ Kh8 19. Rxf8+ Bxf8 20. Rf1 Nf6 21. Rxf6 bxc3 22. Rf7 Qb6+ 23. Kh1 Qd4 24. Qf3 Be7 25. bxc3 Qxe4 26. Bxg7+ Kg8 27. Qxe4 1-0

[Event "Pan American-ch U16"]
[Site "Villa Giardino"]
[Date "2002.05.30"]
[Round "7"]
[White "Herrera Zepeda, Andres"]
[Black "Mendoza Moreno, Vicente"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2136"]
[PlyCount "56"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Be3 Qb6 6. Qb3 Nd7 7. Nd2 c5 8. Bb5 c4 9. Qa4 Rd8 10. b4 a6 11. Bxd7+ Rxd7 12. h3 h6 13. g4 Bd3 14. f4 Ne7 15. Ne2 Nc6 16. Ng3 Be7 17. Nf3 Nxb4 18. cxb4 Bxb4+ 19. Kf2 Bc3 20. Rac1 Bb2 21. Rcd1 Kd8 22. Rxd3 cxd3 23. Rb1 Rc7 24. Bd2 Bxd4+ 25. Nxd4 Qxb1 26. Nb3 Kc8 27. Nf1 Rc2 28. a3 Rc4 0-1

[Event "Pan American-ch U16"]
[Site "Villa Giardino"]
[Date "2002.05.29"]
[Round "6"]
[White "Vera Leon, Ely"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "B90"]
[BlackElo "2136"]
[PlyCount "86"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 Qc7 10. 0-0-0 b5 11. h4 Nbd7 12. h5 Nb6 13. Qf2 Rb8 14. g4 h6 15. g5 hxg5 16. Bxg5 Nxh5 17. Bxe7 Kxe7 18. Bxb5 Bxb3 19. axb3 axb5 20. Nxb5 Qc5 21. Qd2 Rbd8 22. Nc3 Nf4 23. Rxh8 Rxh8 24. Kb1 Rh3 25. Rf1 Rg3 26. Qh2 Rg2 27. Qh4+ g5 28. Qe1 Qb4 29. Rf2 Rg3 30. Qf1 Qd4 31. Ne2 Nxe2 32. Qxe2 Rg1+ 33. Rf1 Rxf1+ 34. Qxf1 Nd7 35. Qc1 f6 36. Qh1 Kd8 37. Qe1 Qc5 38. Qf1 Qe3 39. Qd1 g4 40. fxg4 Ke7 41. Qh1 Nf8 42. Qg2 Qf4 43. b4 Ne6 1-0

[Event "Pan American-ch U16"]
[Site "Villa Giardino"]
[Date "2002.05.28"]
[Round "4"]
[White "Herrera Zepeda, Andres"]
[Black "Diaz Calle, Hugo"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2136"]
[PlyCount "135"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 0-0 7. Re1 a6 8. Bb3 h6 9. h3 Ba7 10. Nbd2 Re8 11. Nf1 Ne7 12. Ng3 Ng6 13. d4 Nh7 14. Nh2 Ng5 15. Qh5 Qf6 16. h4 Ne6 17. Ng4 Qxh4 18. Qxh4 Nxh4 19. dxe5 Nc5 20. Bd1 Nd3 21. Rf1 Nxe5 22. Ne3 Bd7 23. Be2 Nhg6 24. f4 Nc6 25. Kh1 Nce7 26. f5 Ne5 27. f6 Bxe3 28. Bxe3 N7g6 29. fxg7 Kxg7 30. Nh5+ Kh8 31. Bxh6 Bc6 32. Bg7+ Kg8 33. Bxe5 Rxe5 34. Nf4 Kg7 35. Bc4 Bb5 36. Bxb5 Rxb5 37. b3 Rh8+ 38. Kg1 Rg5 39. Nd5 c6 40. Ne3 Ne7 41. Rf3 Rgh5 42. Raf1 Rh1+ 43. Kf2 Rxf1+ 44. Nxf1 Rh6 45. Ng3 Rg6 46. Nf5+ Nxf5 47. Rxf5 Re6 48. Kg3 b5 49. Rg5+ Kf6 50. Rg8 d5 51. exd5 cxd5 52. Rd8 Ke5 53. Rd7 f5 54. Rd8 Re7 55. Ra8 Re6 56. Rd8 Rc6 57. Re8+ Kd6 58. Re3 Rc7 59. Kf4 Rf7 60. Re5 Rc7 61. Kxf5 Rxc3 62. Re6+ Kc5 63. Rxa6 Rg3 64. Ke5 Rxg2 65. b4+ Kc4 66. Rc6+ Kxb4 67. Kxd5 Rxa2 68. Kd4 0-1

[Event "Pan American-ch U16"]
[Site "Villa Giardino"]
[Date "2002.05.28"]
[Round "5"]
[White "Ulaneo, Nicolas"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "D05"]
[BlackElo "2136"]
[PlyCount "53"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 cxd4 11. Nxd4 Nxd4 12. Qxd4 Qc7 13. h3 e5 14. Qd3 f5 15. Re1 Rf6 16. Bd5+ Kh8 17. c4 Bd7 18. Bg5 Rg6 19. Bf7 e4 20. Qd2 Bh2+ 21. Kh1 Rd6 22. Qe2 Rf8 23. Bd5 Rg6 24. Be7 Re8 25. Bh4 Rh6 26. Bg5 Rg6 27. Bh4 1-0

[Event "Pan American-ch U16"]
[Site "Villa Giardino"]
[Date "2002.05.26"]
[Round "3"]
[White "Betancourt, Pedro"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "B92"]
[BlackElo "2136"]
[PlyCount "117"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. Bg5 Nbd7 9. 0-0 Be7 10. Bf3 0-0 11. Qd2 Qc7 12. Rfd1 Rfd8 13. Rac1 b5 14. Nd5 Bxd5 15. exd5 a5 16. Qe2 a4 17. Nd2 Nc5 18. c4 b4 19. g3 Rab8 20. Bg2 Nxd5 21. Bxd5 Bxg5 22. Qh5 Bxd2 23. Rxd2 Qe7 24. Rf1 Nd7 25. Bc6 Nb6 26. b3 Rbc8 27. Bg2 a3 28. Rfd1 Na8 29. Qg4 Rb8 30. f4 Nc7 31. Qe2 f6 32. f5 Kh8 33. Rd3 Rbc8 34. Qd2 d5 35. Bxd5 Nxd5 36. Rxd5 Rxd5 37. Qxd5 h6 38. Qd6 Qa7+ 39. Kg2 Qe3 40. Qd3 Qxd3 41. Rxd3 Kg8 42. Kf3 Kf8 43. Rd7 Re8 44. Rb7 Rd8 45. Ke2 Rd4 46. Rxb4 Re4+ 47. Kd3 Rd4+ 48. Ke3 Rd1 49. Ra4 Re1+ 50. Kf2 Rb1 51. Rxa3 Rb2+ 52. Kf3 Rxh2 53. c5 g6 54. c6 Rc2 55. Ra8+ Kf7 56. Ra7+ Ke8 57. fxg6 Rxc6 58. g7 Rc3+ 59. Kg2 1-0

[Event "Pan American-ch U16"]
[Site "Villa Giardino"]
[Date "2002.05.25"]
[Round "2"]
[White "Herrera Zepeda, Andres"]
[Black "Manzone, Alessandro Jr"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2136"]
[BlackElo "2091"]
[PlyCount "130"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. c4 Nb6 9. b3 dxe5 10. Nxe5 Bb4+ 11. Bd2 Bxd2+ 12. Nxd2 Qd4 13. Qxd4 Nxd4 14. 0-0-0 f6 15. Nef3 Nxf3 16. Nxf3 e5 17. c5 Nd7 18. Bb5 Ke7 19. Bxd7 Bxd7 20. Kb2 Bc6 21. Nd2 Bd5 22. f3 Rhc8 23. Rc1 Rc6 24. b4 Rac8 25. Ne4 Rb8 26. Nc3 Be6 27. Rhd1 a5 28. Nd5+ Bxd5 29. b5 Rc7 30. Rxd5 Rbc8 31. a4 Ke6 32. Rd6+ Ke7 33. Rb6 Kd7 34. Rxb7 Rxb7 35. c6+ Rxc6 36. Rxc6 f5 37. Ra6 g6 38. Kc2 Rc7+ 39. Kd3 e4+ 40. fxe4 fxe4+ 41. Kxe4 Rc4+ 42. Kd5 Rxa4 43. Ra7+ Kc8 44. Rxh7 Ra2 45. g3 Rc2 46. h4 Rf2 47. Kc6 Rf6+ 48. Kc5 a4 49. Ra7 Rf5+ 50. Kc6 Rf6+ 51. Kd5 Rf5+ 52. Kc6 Rf6+ 53. Kd5 Rf5+ 54. Kc4 Rf3 55. Rxa4 Rxg3 56. Kc5 Kb7 57. Re4 Rc3+ 58. Kd5 Rg3 59. Ke5 g5 60. Kd4 gxh4 61. Rxh4 Kb6 62. Kc4 Rg6 63. Rf4 Rg1 64. Rf6+ Kb7 65. Kc5 Rc1+ 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Villa Giardino"]
[Date "2002.05.24"]
[Round "1"]
[White "Martinez, Mariano"]
[Black "Herrera Zepeda, Andres"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2136"]
[PlyCount "104"]
[EventDate "2002.05.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 088 Extra"]
[Source "ChessBase"]
[SourceDate "2002.07.01"]
[SourceVersion "2"]
[SourceVersionDate "2002.07.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd8 11. Qb3 a6 12. h3 Bh5 13. a3 0-0 14. Rfd1 Nd5 15. Nxd5 Qxd5 16. Qxd5 exd5 17. b4 Rfe8 18. g4 Bg6 19. Ne5 Nd8 20. Nxg6 hxg6 21. Bf3 g5 22. Bxd5 Bf6 23. Rac1 Re7 24. Bf3 Rd7 25. Rc4 Ne6 26. d5 Nc7 27. Bb6 Nb5 28. Rd3 Be5 29. a4 Nc7 30. Be4 Ne8 31. Bf5 Rd6 32. Bc5 g6 33. Be4 Rd7 34. Bg2 Nd6 35. Rc2 Re8 36. Re3 Bf4 37. Rxe8+ Nxe8 38. Be3 Bxe3 39. fxe3 Nd6 40. Rc4 Kf8 41. Kf2 Ke7 42. e4 Kf6 43. Ke3 Ke5 44. b5 axb5 45. axb5 b6 46. Rc1 Ra7 47. Rc3 Nxb5 48. Rb3 Ra3 49. Rxa3 Nxa3 50. Bf1 Nc2+ 51. Kd3 Nd4 52. Bg2 Nb5 0-1

[Event "CHI-ch "]
[Site "Santiago de Chile"]
[Date "2002.02.20"]
[Round "10"]
[White "Herrera Zepeda, Andres"]
[Black "Fuentealba Labra, Jorge"]
[Result "1/2-1/2"]
[ECO "C54"]
[BlackElo "2194"]
[PlyCount "99"]
[EventDate "2002.02.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 086 Extra"]
[Source "ChessBase"]
[SourceDate "2002.03.14"]
[SourceVersion "1"]
[SourceVersionDate "2002.03.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 a6 6. Bb3 d6 7. 0-0 Ba7 8. Re1 Qe7 9. Be3 0-0 10. Nbd2 Be6 11. Bc2 b5 12. d4 Bg4 13. h3 Bd7 14. Nf1 Ne8 15. Ng3 g6 16. Bg5 f6 17. Bh6 Ng7 18. Qd2 Nd8 19. Rad1 Nf7 20. dxe5 fxe5 21. Be3 Bxe3 22. Rxe3 Ne6 23. Bb3 Nf4 24. Ne2 Ne6 25. c4 Kg7 26. cxb5 axb5 27. Bxe6 Bxe6 28. a3 h6 29. Nc3 c6 30. Ne1 g5 31. Nd3 Rac8 32. Nb4 Rfd8 33. Qc2 Nh8 34. Red3 Bc4 35. R3d2 Qe6 36. Rc1 Ng6 37. Ne2 Rf8 38. Ng3 Nh4 39. Qd1 Rfd8 40. Rc3 c5 41. Nd5 Bxd5 42. Rxd5 Kh7 43. Rb3 Rb8 44. Qe2 Ng6 45. Nh5 Ne7 46. Rf3 Rf8 47. Rdd3 Nc6 48. Qd1 Nd4 49. Rfe3 Qf7 50. Ng3 1/2-1/2

[Event "CHI-ch "]
[Site "Santiago de Chile"]
[Date "2002.02.19"]
[Round "9"]
[White "Lopez Silva, Hugo Andres"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2270"]
[PlyCount "43"]
[EventDate "2002.02.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 086 Extra"]
[Source "ChessBase"]
[SourceDate "2002.03.14"]
[SourceVersion "1"]
[SourceVersionDate "2002.03.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be6 8. g4 Nc6 9. Bg2 h6 10. Be3 g5 11. Ng3 Qc7 12. Qd2 Be7 13. Nd5 Bxd5 14. exd5 Na5 15. b3 b5 16. a4 bxa4 17. Rxa4 Bd8 18. Nf5 Rc8 19. 0-0 Nb7 20. Rxa6 Qxc2 21. Qb4 Qc7 22. Qxb7 1-0

[Event "CHI-ch "]
[Site "Santiago de Chile"]
[Date "2002.02.18"]
[Round "8"]
[White "Herrera Zepeda, Andres"]
[Black "Magas Varas, Rodrigo"]
[Result "1/2-1/2"]
[ECO "B50"]
[BlackElo "2018"]
[PlyCount "95"]
[EventDate "2002.02.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 086 Extra"]
[Source "ChessBase"]
[SourceDate "2002.03.14"]
[SourceVersion "1"]
[SourceVersionDate "2002.03.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. Bd3 d6 5. Bc2 Qc7 6. d4 Nbd7 7. Be3 Be7 8. Nbd2 b6 9. 0-0 Bb7 10. Ne1 0-0 11. f3 Rac8 12. Kh1 Rfe8 13. Nd3 cxd4 14. Bxd4 Nc5 15. Re1 Nfd7 16. Bf2 Nxd3 17. Bxd3 Ne5 18. Bf1 Ng6 19. Bg3 Bh4 20. Bxh4 Nxh4 21. Qc2 Ng6 22. Rad1 Red8 23. Bd3 Ne5 24. Nb3 Nxd3 25. Rxd3 d5 26. exd5 Rxd5 27. Red1 Rcd8 28. Rxd5 Rxd5 29. Rxd5 Bxd5 30. Nd4 Qc4 31. Qd1 Qxa2 32. b3 e5 33. c4 exd4 34. cxd5 Qa5 35. d6 Qd5 36. Qe1 Qxd6 37. Qe8+ Qf8 38. Qd7 h6 39. Qxd4 Qc8 40. h3 Qc1+ 41. Kh2 Qc7+ 42. Kh1 g5 43. Qe3 a5 44. Qe8+ Kg7 45. Qe3 b5 46. Qd3 b4 47. Qd4+ f6 48. Qe4 1/2-1/2

[Event "CHI-ch "]
[Site "Santiago de Chile"]
[Date "2002.02.17"]
[Round "7"]
[White "Sanchez Alarcon, Juan"]
[Black "Herrera Zepeda, Andres"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "2248"]
[PlyCount "66"]
[EventDate "2002.02.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "CBM 086 Extra"]
[Source "ChessBase"]
[SourceDate "2002.03.14"]
[SourceVersion "1"]
[SourceVersionDate "2002.03.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. g4 h6 9. Rg1 Nc6 10. Be3 Qc7 11. Qd2 b5 12. 0-0-0 Na5 13. f3 Nxb3+ 14. axb3 Bb7 15. h4 Nd7 16. g5 hxg5 17. hxg5 g6 18. b4 Nb6 19. Rh1 0-0-0 20. Ndxb5 axb5 21. Nxb5 Qc4 22. Na7+ Kb8 23. Qf2 Nc8 24. c3 d5 25. Rxh8 Rxh8 26. e5 Bxg5 27. Bxg5 Nxa7 28. Kc2 Ba6 29. Rd2 Rc8 30. Qb6+ Bb7 31. Be7 Qc6 32. Bd6+ Ka8 33. Qd4 Nb5 0-1

[Event "Pan American-ch U16"]
[Site "Guaymallen"]
[Date "2001.06.05"]
[Round "8"]
[White "Duarte, Mauricio"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "111"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. Be3 Qc7 10. a4 Nbd7 11. f3 0-0 12. a5 b5 13. axb6 Nxb6 14. Rxa6 Nc4 15. Rxa8 Rxa8 16. Bxc4 Bxc4 17. Re1 Rb8 18. Qd2 Bxb3 19. cxb3 Rxb3 20. Ra1 Qb8 21. Nd1 h6 22. Ra3 Rb5 23. Ra5 Rb3 24. Ra3 Rb5 25. Ra5 Rb7 26. Ra4 Nd7 27. b4 Nb6 28. Bxb6 Rxb6 29. Qd5 Bf8 30. Qb3 Qb7 31. Nc3 Qc7 32. Kf1 Rb7 33. Nd5 Qc1+ 34. Kf2 Rb8 35. Qc3 Qg5 36. Ra2 Qh4+ 37. Kg1 Rc8 38. Qd2 h5 39. b5 g6 40. g3 Qh3 41. Ra1 Rc5 42. Rb1 Qc8 43. b6 Qb7 44. Qa2 Rc8 45. Qa7 Rb8 46. Qxb7 Rxb7 47. Rc1 Bh6 48. Rc8+ Kg7 49. f4 exf4 50. gxf4 Bxf4 51. Nxf4 Rxb6 52. Rc4 Rb1+ 53. Kf2 Kf6 54. Ne2 Ke5 55. Rc7 f6 56. Re7# 1-0

[Event "Pan American-ch U16"]
[Site "Guaymallen"]
[Date "2001.06.04"]
[Round "7"]
[White "Herrera Zepeda, Andres"]
[Black "Osorio Itanare, Fernando Augus"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "61"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. c4 Qh5 7. Nc3 0-0-0 8. Be3 e5 9. d5 e4 10. Nd2 Ne5 11. Bxg4+ Nfxg4 12. Ncxe4 Nd3+ 13. Kf1 Nxe3+ 14. fxe3 Qg6 15. Nf2 Nxf2 16. Kxf2 f5 17. g3 Re8 18. Re1 Qh6 19. Nf3 Bc5 20. Qd3 Rhf8 21. Kg2 Rxe3 22. Rxe3 Bxe3 23. Re1 f4 24. Qe4 g5 25. Qe7 g4 26. Ne5 f3+ 27. Kh1 f2 28. Rf1 Rg8 29. Nxg4 Qh5 30. Qe6+ Kd8 31. Nf6 1-0

[Event "Pan American-ch U16"]
[Site "Guaymallen"]
[Date "2001.06.03"]
[Round "6"]
[White "Casas, Nicolas"]
[Black "Herrera Zepeda, Andres"]
[Result "0-1"]
[ECO "D53"]
[PlyCount "99"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. a3 c5 11. 0-0 0-0 12. Ne2 Bb7 13. Nd2 h6 14. Bh4 c4 15. Bb1 Nd5 16. Qc2 f5 17. Bxe7 Qxe7 18. e4 Nc7 19. exf5 exf5 20. Ng3 g6 21. Nf3 Bxf3 22. gxf3 Nd5 23. Qe2 Qf6 24. f4 Rae8 25. Qd2 Re7 26. Bc2 Qh4 27. Rae1 Rfe8 28. Rxe7 Rxe7 29. Re1 Qxf4 30. Qd1 Rxe1+ 31. Qxe1 Kf7 32. Qd1 N7f6 33. b3 h5 34. bxc4 bxc4 35. Qf1 Qxd4 36. h3 Nf4 37. Kh2 h4 38. Ne2 Nxe2 39. Qxe2 Ne4 40. Bxe4 fxe4 41. Kg2 Qd3 42. Qg4 Qf3+ 43. Qxf3+ exf3+ 44. Kxf3 Kf6 45. Ke4 g5 46. Kd4 Kf5 47. Kxc4 Kf4 48. Kc5 g4 49. hxg4 Kxg4 50. Kb6 0-1

[Event "Pan American-ch U16"]
[Site "Guaymallen"]
[Date "2001.06.01"]
[Round "4"]
[White "Herrera Zepeda, Andres"]
[Black "Diaz, Diego Patricio"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "114"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. Re1 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Nc3 f5 12. exf6 Nxf6 13. Ne5 Nxe5 14. Rxe5 Bd6 15. Re1 0-0 16. Bg5 Rae8 17. Qd3 Ng4 18. Re2 Bxh2+ 19. Kf1 Qf7 20. Bh4 Qh5 21. Qh3 g5 22. Bg3 Qxh3 23. gxh3 Bxg3 24. hxg4 Bf4 25. Rae1 Kf7 26. Kg2 Bd6 27. Rh1 Rh8 28. a3 Rc8 29. Rh6 Rce8 30. Rh1 h6 31. Nb5 Bb8 32. Nc3 a6 33. Re3 Ba7 34. Ne2 Rc8 35. Rf3+ Ke7 36. Rb3 b5 37. a4 Rc4 38. axb5 axb5 39. Rxb5 Bxd4 40. b3 Rf8 41. bxc4 Rxf2+ 42. Kg3 Rxe2 43. Rxh6 dxc4 44. Rxg5 c3 45. Rh1 c2 46. Rb5 Bf2+ 47. Kf3 Be1 48. Rc5 Bb4 49. Kxe2 Bxc5 50. Rc1 Kf6 51. Rxc2 Bf8 52. Kf3 Bh6 53. Rh2 Bg5 54. Ke4 e5 55. Rf2+ Bf4 56. Kf3 Kg5 57. Rg2 Kg6 1/2-1/2

[Event "Pan American-ch U16"]
[Site "Guaymallen"]
[Date "2001.05.31"]
[Round "3"]
[White "Beltran, Roberto"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "69"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 Bg4 4. d3 Nbd7 5. Nbd2 e5 6. fxe5 Nxe5 7. Be2 Bxf3 8. Nxf3 Bd6 9. 0-0 0-0 10. b3 c6 11. Nd4 Ng6 12. Kh1 Be5 13. Rb1 Qc7 14. g3 Rfe8 15. Bf3 c5 16. Ne2 Bd6 17. Nc3 Qd7 18. Nxd5 Bxg3 19. Nxf6+ gxf6 20. hxg3 Qh3+ 21. Kg1 Qxg3+ 22. Bg2 Nh4 23. Rf2 Kh8 24. Bb2 Re6 25. Qe2 Rg8 26. e4 Rg5 27. Bc1 Rg4 28. Qe3 Qb8 29. Qh3 Qg8 30. Bb2 h5 31. Kh1 Qg5 32. Rg1 Nf5 33. Rxf5 Rh4 34. Rxg5 Rxh3+ 35. Bxh3 1-0

[Event "Pan American-ch U16"]
[Site "Guaymallen"]
[Date "2001.05.30"]
[Round "2"]
[White "Herrera Zepeda, Andres"]
[Black "Garcia Campitelli, Gonzalo"]
[Result "0-1"]
[ECO "C10"]
[BlackElo "2138"]
[PlyCount "110"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bg5 Be7 7. Nxf6+ Nxf6 8. c3 0-0 9. Bd3 Qd5 10. 0-0 h6 11. Bh4 Rd8 12. Bc2 Qb5 13. Rb1 b6 14. Re1 Bb7 15. a4 Qh5 16. Bxf6 gxf6 17. Be4 Bxe4 18. Rxe4 f5 19. Re1 Bf6 20. Ne5 Qxd1 21. Rbxd1 c5 22. Nc6 Rd6 23. d5 Kf8 24. Ne5 Bxe5 25. Rxe5 Rad8 26. c4 f6 27. Ree1 exd5 28. cxd5 Rxd5 29. Rxd5 Rxd5 30. Kf1 Rd2 31. Rb1 Ke7 32. Ke1 Rc2 33. g3 Ke6 34. Kf1 f4 35. Re1+ Kf5 36. Re2 Rxe2 37. Kxe2 fxg3 38. hxg3 Ke4 39. f3+ Kd4 40. Kd2 f5 41. Ke2 h5 42. Kd2 c4 43. Ke2 a6 44. Kd2 b5 45. a5 b4 46. f4 Ke4 47. Ke2 h4 48. gxh4 Kxf4 49. h5 Kg5 50. Kf3 Kxh5 51. Kf4 c3 52. bxc3 b3 53. Kxf5 b2 54. Ke5 b1Q 55. Kd4 Qb5 0-1

[Event "Pan American-ch U16"]
[Site "Guaymallen"]
[Date "2001.05.29"]
[Round "1"]
[White "Orsini, Antonio"]
[Black "Herrera Zepeda, Andres"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2163"]
[PlyCount "88"]
[EventDate "2001.05.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Qc7 9. Qd2 Nbd7 10. g4 h6 11. 0-0-0 b5 12. Qf2 b4 13. Nd5 Bxd5 14. exd5 Be7 15. h4 Qb7 16. Bc4 Qc7 17. Be2 a5 18. Kb1 a4 19. Nc1 a3 20. g5 hxg5 21. Rhg1 axb2 22. Kxb2 gxh4 23. Rxg7 Nh5 24. Rg4 Nf4 25. Bb5 Ra5 26. Bc6 Kd8 27. Nb3 Ra6 28. Rdg1 Ng6 29. f4 exf4 30. Bxf4 Bf6+ 31. Kb1 Rxc6 32. dxc6 Qxc6 33. Bg5 Bxg5 34. Rxg5 Nde5 35. Qf6+ Ke8 36. Rxe5+ Nxe5 37. Qxh8+ Kd7 38. Qxh4 Kc8 39. Qxb4 Nf3 40. Rg8+ Kc7 41. Na5 Nd2+ 42. Qxd2 Qb5+ 43. Nb3 Qf1+ 44. Kb2 Qf6+ 1-0

