[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.24"]
[Round "9"]
[White "Calderon, Oliver"]
[Black "Almeida Criollo, Jefferson"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1972"]
[BlackElo "2081"]
[PlyCount "60"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nc6 14. a3 Bg4 15. Nd2 Nd4 16. Rc1 Rac8 17. Rxc8 Rxc8 18. Nc4 Be6 19. Nd6 Rc2 20. b4 Re2+ 21. Kf1 Rb2 22. g3 Bh3+ 23. Ke1 Rb1+ 24. Kd2 Rxh1 25. Bxf7+ Kf8 26. Bd8 Be6 27. Be8 Bh6+ 28. Kd3 Rd1+ 29. Kc3 Rc1+ 30. Kd3 Bg4 0-1

[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.23"]
[Round "8"]
[White "Leon Calderon, Jonathan Francisco"]
[Black "Calderon, Oliver"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2079"]
[BlackElo "1972"]
[PlyCount "82"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d6 4. c4 g6 5. d4 exd4 6. exd4 Bg7 7. Nf3 Nge7 8. Be2 0-0 9. 0-0 d5 10. Ne5 Nxe5 11. dxe5 dxc4 12. Bxc4 Be6 13. Bxe6 fxe6 14. Qg4 Rf5 15. f4 Nd5 16. Nc3 Ne3 17. Qe2 Nxf1 18. Rxf1 Qd4+ 19. Qf2 Qxf2+ 20. Rxf2 Raf8 21. Ne2 R5f7 22. g3 Rd7 23. Nc3 Rfd8 24. Ne4 Rd1+ 25. Kg2 Bf8 26. Rc2 c6 27. Bc3 h6 28. h4 Kf7 29. Nf2 R1d7 30. Ne4 b6 31. Be1 c5 32. Bf2 Be7 33. Be3 Rc8 34. a4 Rd3 35. Kf2 Rxb3 36. a5 Ra3 37. axb6 axb6 38. Rb2 Rc6 39. Bd2 c4 40. Bc3 Rb3 41. Ra2 Rc7 0-1

[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.22"]
[Round "7"]
[White "Bolanos, Cristian"]
[Black "Calderon, Oliver"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2048"]
[BlackElo "1972"]
[PlyCount "78"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. g3 Be6 5. Bg2 d4 6. Ne2 Bd6 7. 0-0 Ne7 8. Nb3 Qc7 9. c4 c5 10. f4 f6 11. fxe5 fxe5 12. Nd2 Nd7 13. Nf3 h6 14. Nh4 0-0-0 15. a3 Rdf8 16. b4 Rxf1+ 17. Bxf1 Rf8 18. Bd2 g5 19. Ng2 Ng6 20. Nc1 Nf6 21. bxc5 Bxc5 22. Be2 Qc6 23. Na2 Nxe4 24. Nb4 Bxb4 25. dxe4 Bxd2 26. Qxd2 Ne7 27. Qb4 Qc7 28. Ne1 Rf6 29. Nd3 Nc6 30. Qc5 Qb6 31. Qd6 Qc7 32. Qc5 Qb6 33. Qd6 Qd8 34. Qc5 Qb6 35. Qb4 Kc7 36. Rb1 Bxc4 37. Qxb6+ axb6 38. Nxe5 Nxe5 39. Bxc4 Nxc4 0-1

[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.21"]
[Round "5"]
[White "Calderon, Oliver"]
[Black "Zapata, Alexander"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1972"]
[BlackElo "2029"]
[PlyCount "74"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 d6 5. d4 Qc7 6. d5 g6 7. Bg5 Nbd7 8. Qd2 h6 9. Be3 Ng4 10. Bd3 Nxe3 11. Qxe3 Bg7 12. 0-0 0-0 13. b4 c5 14. a3 f5 15. Rab1 f4 16. Qe2 g5 17. Nd2 b6 18. f3 Nf6 19. b5 h5 20. Kf2 g4 21. Ke1 Kf7 22. Nb3 Bh6 23. Kd2 Rg8 24. Kc2 Bd7 25. Nd2 Rg7 26. Rg1 Rag8 27. Qf2 Qd8 28. Ne2 g3 29. hxg3 fxg3 30. Qf1 h4 31. f4 Ng4 32. fxe5+ Ke8 33. Kc3 Nxe5 34. Nf3 Rf8 35. Qd1 Nxf3 36. gxf3 Rxf3 37. Nc1 Qf6+ 0-1

[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.20"]
[Round "4"]
[White "Calderon, Oliver"]
[Black "Calderon, Jonathan"]
[Result "0-1"]
[ECO "C20"]
[WhiteElo "1972"]
[BlackElo "2031"]
[PlyCount "108"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e4 Bc5 4. Nf3 d6 5. d3 Bg4 6. Be2 Bxf3 7. Bxf3 Nd4 8. 0-0 Ne7 9. g3 0-0 10. Be3 Nec6 11. Bg2 Ne6 12. Bxc5 Nxc5 13. Nd5 a5 14. f4 Nd4 15. f5 f6 16. Rb1 c6 17. Nc3 Qb6 18. Kh1 a4 19. Qd2 Qb4 20. Rf2 a3 21. b3 Rfc8 22. g4 h6 23. h4 Kf7 24. Nb5 Qxd2 25. Nxd6+ Kf8 26. Rxd2 Rd8 27. b4 Ncb3 28. axb3 a2 29. Ra1 Nxb3 30. Rdxa2 Nxa1 31. Rxa8 Rxa8 32. Nxb7 Rb8 33. Na5 Rxb4 34. Nxc6 Rb3 35. Bf1 Nc2 36. Be2 Ke8 37. Na5 Rb1+ 38. Kg2 Nd4 39. Bf1 Rb2+ 40. Kg3 Kd7 41. c5 Ra2 42. c6+ Nxc6 43. Nxc6 Kxc6 44. Kf3 Kc5 45. Ke3 Kb4 46. Be2 Kc3 47. h5 Rb2 48. Bd1 Ra2 49. Be2 Ra1 50. Bf3 Rb1 51. Be2 Re1 52. Kf2 Kd2 53. Bf1 Rxf1+ 54. Kxf1 Kxd3 0-1

[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.19"]
[Round "2"]
[White "Calderon, Oliver"]
[Black "Gallego Alcaraz, Andres Felipe"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1972"]
[BlackElo "2235"]
[PlyCount "86"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8. Be3 0-0 9. Qd2 Nxd4 10. Bxd4 Be6 11. f3 Qa5 12. Nb5 Qxd2+ 13. Kxd2 Nd7 14. Bxg7 Kxg7 15. Nc7 Rac8 16. Nd5 Rfe8 17. Rac1 f6 18. Bd1 b5 19. Be2 Kf7 20. cxb5 Bxd5 21. exd5 Nb6 22. Rhe1 Kf8 23. Rc6 Nxd5 24. Rec1 Rb8 25. a3 Nf4 26. Bf1 Ne6 27. Ra6 Rb7 28. b4 Nc7 29. Rac6 Nxb5 30. Bxb5 Rxb5 31. Ra6 Rb7 32. Rc4 Rd8 33. Kc3 e5 34. a4 Ke7 35. b5 Rdd7 36. Rcc6 Rdc7 37. Kc4 Ke6 38. a5 f5 39. Rxc7 Rxc7+ 40. Kd3 Kd5 41. b6 axb6 42. axb6 Rb7 43. Ra7 Kc6 0-1

[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.19"]
[Round "3"]
[White "Villacres, Dennis"]
[Black "Calderon, Oliver"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1988"]
[BlackElo "1972"]
[PlyCount "69"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Ne4 Bc7 11. Bd2 Nf6 12. 0-0-0 Nbd7 13. Kb1 Nxe4 14. Qxe4 Nf6 15. Qe2 Qd5 16. Rhe1 0-0-0 17. c4 Qf5+ 18. Ka1 Rhe8 19. Bc3 b6 20. a3 Kb7 21. Rc1 Nh5 22. g3 Nf6 23. Ne5 Nd7 24. g4 Qf6 25. Nxc6 Ra8 26. Qe4 Kc8 27. Ne7+ Kb8 28. Nc6+ Kc8 29. Ne5 Rb8 30. Nxd7 Kxd7 31. d5 Qxh4 32. dxe6+ Rxe6 33. Qf5 Qe7 34. Bxg7 Rg8 35. Bxh6 1-0

[Event "Pan American-ch U20"]
[Site "Riobamba"]
[Date "2007.08.18"]
[Round "1"]
[White "Morales, Julio Cesar"]
[Black "Calderon, Oliver"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "2137"]
[BlackElo "1972"]
[PlyCount "94"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bh4 Be7 7. e3 Nbd7 8. Bd3 b6 9. Rc1 Bb7 10. 0-0 0-0 11. cxd5 Nxd5 12. Bg3 Nxc3 13. Rxc3 c5 14. Bb1 Bf6 15. Qc2 g6 16. Ne5 Nxe5 17. dxe5 Be7 18. Qa4 Qd5 19. f3 Qc6 20. Qf4 Kg7 21. Bh4 g5 22. Qg4 Rh8 23. f4 Qxg2+ 24. Qxg2 Bxg2 25. Bxg5 hxg5 26. Kxg2 Rad8 27. Rd3 c4 28. Rdd1 Bc5 29. Rxd8 Rxd8 30. fxg5 Bxe3 31. h4 Rd2+ 32. Kf3 Bd4 33. h5 Bxb2 34. h6+ Kf8 35. g6 Bxe5 36. gxf7 c3 37. Ke3 Rh2 38. Kd3 Rxh6 39. Bc2 Rf6 40. Re1 Rf5 41. Kc4 Rg5 42. Rf1 Rg2 43. Bb3 Rd2 44. Rc1 Kxf7 45. a4 a5 46. Bc2 Rd4+ 47. Kxc3 Rd1+ 0-1

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "9"]
[White "Calderon, Oliver"]
[Black "Gomez, Carlos David"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2002"]
[BlackElo "2197"]
[PlyCount "52"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. 0-0 h6 9. h3 Nh5 10. a3 Nf4 11. Re1 Nxe2+ 12. Nxe2 Nd7 13. Be3 f5 14. Nc3 f4 15. Bd2 Nc5 16. Qc2 a4 17. Kf1 g5 18. Ke2 h5 19. Nh2 Nb3 20. Qd3 g4 21. hxg4 hxg4 22. Rab1 Qh4 23. Rh1 Nd4+ 24. Kd1 g3 25. fxg3 fxg3 26. Be1 Qh5+ 0-1

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "8"]
[White "Calderon, Oliver"]
[Black "Izquierdo, Ivan"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2002"]
[BlackElo "2102"]
[PlyCount "43"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[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. f4 Qb6 6. Nf3 Bd7 7. Be2 f5 8. 0-0 cxd4 9. cxd4 Nxd4 10. Nxd4 Bc5 11. Be3 Qxb2 12. Qd2 Qb6 13. Nc3 Rc8 14. a3 a6 15. Bf3 Ne7 16. Rfb1 Qa7 17. Nd1 Ba4 18. Nxe6 Bxd1 19. Nxc5 Bxf3 20. Nxb7 Rc2 21. Bxa7 Rxd2 22. gxf3 1-0

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.08.??"]
[Round "7"]
[White "Noguera, Andres"]
[Black "Calderon, Oliver"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "2002"]
[PlyCount "54"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. Bd3 Bg4 5. Nbd2 e6 6. h3 Bh5 7. 0-0 Bd6 8. Be2 Nbd7 9. b3 Qe7 10. c4 0-0 11. Nh2 Bxe2 12. Qxe2 Bc7 13. Nhf3 e5 14. dxe5 Nxe5 15. cxd5 Nxd5 16. Bb2 Rad8 17. Rfd1 Rfe8 18. Nxe5 Bxe5 19. Bxe5 Qxe5 20. Nf3 Qf6 21. Qe1 Qg6 22. Rac1 Nf4 23. Qf1 Nxh3+ 24. Kh2 Ng5 25. Nxg5 Qxg5 26. Qc4 Qh5+ 27. Kg1 Rxd1+ 0-1

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.??.??"]
[Round "4"]
[White "Calderon, Oliver"]
[Black "Ordinola Bravo, Juan"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2002"]
[PlyCount "54"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. c4 Be7 7. Be2 0-0 8. Be3 d5 9. exd5 exd5 10. Nxc6 bxc6 11. 0-0 Re8 12. Bf2 Bd6 13. Nc3 Ba6 14. cxd5 Bxe2 15. Nxe2 Nxd5 16. Rc1 Qg5 17. g3 Rad8 18. Nd4 Bf8 19. h4 Qh6 20. Rxc6 Ne3 21. Qb3 g6 22. Bxe3 Rxe3 23. Nf5 gxf5 24. Qa4 Re6 25. Rxe6 Qxe6 26. Qxa7 Qe5 27. Kg2 Bc5 0-1

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.??.??"]
[Round "2"]
[White "Calderon, Oliver"]
[Black "Pan Zhang, Luis"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2002"]
[PlyCount "115"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nf5 a6 7. Nd6+ Bxd6 8. Qxd6 Qe7 9. Qxe7+ Nxe7 10. Bg5 b5 11. cxb5 d5 12. bxa6 Bxa6 13. Bxf6 gxf6 14. e3 Kd7 15. Bxa6 Rxa6 16. Ke2 Rb8 17. b3 Ke6 18. Rhd1 Rc8 19. Rdc1 Rac6 20. Kd2 d4 21. Ne2 dxe3+ 22. Kxe3 Nd5+ 23. Kd2 Rxc1 24. Rxc1 Rd8 25. Ke1 Nb4 26. Rc4 Nd3+ 27. Kf1 Ra8 28. Nc3 f5 29. g3 e4 30. Na4 Ne5 31. Rc2 Nf3 32. h3 Rd8 33. Nb2 Ra8 34. Nc4 Nd4 35. Rb2 Ra6 36. a4 Kd5 37. Nd2 Nc6 38. Ke2 Kd4 39. Nb1 Nb4 40. Kd1 Nd3 41. Rd2 Rb6 42. Ra2 Rxb3 43. Nd2 Rc3 44. Ra1 Nxf2+ 45. Ke2 Nd3 46. a5 Rc7 47. a6 Ra7 48. Ra4+ Kc3 49. Ra5 Nb4 50. Rxf5 Rxa6 51. Nxe4+ Kd4 52. Ng5 Rg6 53. Rf4+ Kc5 54. Ne4+ Kd5 55. Nc3+ Ke5 56. Re4+ Kf5 57. g4+ Kg5 58. Rxb4 1-0

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.??.??"]
[Round "6"]
[White "Calderon, Oliver"]
[Black "Pesantes Aucay, Jose"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "2002"]
[BlackElo "2092"]
[PlyCount "33"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 c5 7. dxc5 Qa5+ 8. Qd2 Qxc5 9. Bf4 Nc6 10. Rd1 Bg7 11. b3 Be6 12. f3 Rd8 13. Qe2 Rxd1+ 14. Kxd1 0-0 15. fxe4 Qa5 16. Qc2 Ne5 17. Qb1 0-1

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.??.??"]
[Round "1"]
[White "Garcia, Jhoel"]
[Black "Calderon, Oliver"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2228"]
[BlackElo "2002"]
[PlyCount "58"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. cxd5 Nxd5 6. e3 e6 7. Bd3 Bxd3 8. Qxd3 Be7 9. 0-0 0-0 10. e4 Nf6 11. Bf4 Nbd7 12. Rfd1 Nb6 13. a3 a5 14. Rac1 h6 15. h3 Nh5 16. Bh2 g5 17. Ne2 Bd6 18. Ne5 f6 19. Qb3 Ng7 20. f4 Qc7 21. Ng4 Rf7 22. e5 fxe5 23. dxe5 Be7 24. f5 a4 25. Qa2 Nxf5 26. Qxe6 Kg7 27. Qxf7+ Kxf7 28. e6+ Kxe6 29. Bxc7 Ne3 1-0

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.??.??"]
[Round "3"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Calderon, Oliver"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2232"]
[BlackElo "2002"]
[PlyCount "93"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. d3 Qc7 12. Nbd2 Rd8 13. Nf1 h6 14. Ng3 Bf8 15. Qe2 Be6 16. b3 Rac8 17. Bb2 Nc6 18. Rad1 Nb8 19. Bb1 g6 20. d4 c4 21. d5 Bd7 22. Nd2 Bg7 23. Bc2 a5 24. bxc4 bxc4 25. Ba3 Bb5 26. Rb1 Ba6 27. Ba4 Nbd7 28. Bb5 Bxb5 29. Rxb5 a4 30. Reb1 Bf8 31. Ngf1 Nh5 32. g3 Ndf6 33. R1b4 Qd7 34. Kg2 Rc7 35. Nxc4 Qe8 36. Rb7 Rdc8 37. Rxc7 Rxc7 38. Nfd2 Nh7 39. Rb6 Qd7 40. Qg4 Qxg4 41. hxg4 N5f6 42. f3 Ne8 43. Rb8 Nhf6 44. Bb4 g5 45. Na3 Ra7 46. Nb5 Ra6 47. Nc4 1-0

[Event "Pan American-ch U18"]
[Site "Cuenca"]
[Date "2006.??.??"]
[Round "5"]
[White "Loza, Diego"]
[Black "Calderon, Oliver"]
[Result "0-1"]
[ECO "B18"]
[BlackElo "2002"]
[PlyCount "68"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ECU"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 Qc7 6. Nf3 e6 7. Bd3 Bxc5 8. Bxf5 exf5 9. dxc5 Qa5+ 10. Bd2 Qxc5 11. 0-0 Ne7 12. a3 Na6 13. Bg5 f6 14. Be3 Qd5 15. Qxd5 Nxd5 16. Rfe1 Kf7 17. Nd4 g6 18. c4 Nxe3 19. Rxe3 Rhe8 20. Rae1 Nc7 21. b4 Rxe3 22. Rxe3 Rd8 23. Nf3 Rd1+ 24. Re1 Rxe1+ 25. Nxe1 Ne6 26. Nc2 Nf4 27. Nd4 Nd3 28. b5 Ne5 29. f4 c5 30. fxe5 cxd4 31. exf6 Kxf6 32. Kf2 Ke5 33. Ke2 Kd6 34. Kd3 Kc5 0-1

