[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Cabral, Guillermo"]
[Black "Otazo, Carlos"]
[Result "1/2-1/2"]
[ECO "E34"]
[PlyCount "84"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 c5 6. cxd5 Qxd5 7. Bxf6 gxf6 8. dxc5 Qxc5 9. Rc1 Nc6 10. a3 Bxc3+ 11. Qxc3 Qxc3+ 12. Rxc3 Bd7 13. Nf3 Rc8 14. e3 Ke7 15. Bd3 Ne5 16. Nxe5 fxe5 17. Rxc8 Rxc8 18. Kd2 h6 19. b4 Bc6 20. f3 Rd8 21. Ke2 a6 22. Rc1 Rg8 23. g3 Rc8 24. e4 Bd7 25. Rxc8 Bxc8 26. b5 axb5 27. Bxb5 Bd7 28. Bc4 Kd6 29. Kd3 Kc5 30. Kc3 Bb5 31. Bxb5 Kxb5 32. Kb3 Ka5 33. a4 b5 34. axb5 Kxb5 35. h4 Kc5 36. Kc3 f6 37. g4 Kb5 38. Kd3 Kc5 39. Ke3 Kd6 40. f4 exf4+ 41. Kxf4 Ke7 42. e5 Kf7 1/2-1/2

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Cappello, Juan Jose"]
[Black "Otazo, Carlos"]
[Result "0-1"]
[ECO "E34"]
[PlyCount "108"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 c5 6. e3 Nc6 7. cxd5 Qxd5 8. Bxf6 gxf6 9. dxc5 Qxc5 10. a3 Bxc3+ 11. bxc3 e5 12. Nf3 Bf5 13. e4 Bxe4 14. Bd3 Bxd3 15. Qxd3 Rd8 16. Qe3 Qxe3+ 17. fxe3 Rd3 18. Ke2 Rxc3 19. Rhc1 Rxc1 20. Rxc1 Ke7 21. Rb1 b6 22. Nd2 Rg8 23. g3 h5 24. Rc1 Kd7 25. Ne4 Rg6 26. Rd1+ Kc7 27. Nd6 h4 28. Kf2 hxg3+ 29. hxg3 Rg8 30. Nxf7 Rf8 31. Nd6 Rd8 32. Nb5+ Kb8 33. Rxd8+ Nxd8 34. g4 Nf7 35. Nc3 Nd6 36. Kf3 b5 37. Ne4 Nxe4 38. Kxe4 a5 39. Kd5 Kb7 40. Kc5 Ka6 41. e4 a4 42. Kd5 Kb6 43. Ke6 b4 44. axb4 a3 45. Kxf6 a2 46. g5 a1Q 47. g6 Qf1+ 48. Kxe5 Qf8 49. Ke6 Kb5 50. e5 Kxb4 51. Kd5 Qg8+ 52. e6 Qxg6 53. e7 Qe8 54. Kd6 Kb5 0-1

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Otazo, Carlos"]
[Black "Gamarra, Ramon"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "105"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[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 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. f4 b5 10. a3 Bb7 11. Bf3 Nbd7 12. Nb3 Qc7 13. Qd2 Rac8 14. Rad1 Rfd8 15. Qf2 Bf8 16. Rd2 Bc6 17. Rfd1 a5 18. Nd4 e5 19. Ndxb5 Qb8 20. Nxd6 Bxd6 21. Rxd6 exf4 22. Bxf4 Qxb2 23. Be5 Re8 24. Bxf6 Nxf6 25. Qd4 Ba8 26. Rd8 Qxc3 27. Qxc3 Rxc3 28. e5 Rc8 29. Rxc8 Rxc8 30. exf6 Bxf3 31. gxf3 gxf6 32. Rd5 Rxc2 33. Rxa5 Kg7 34. a4 Ra2 35. Ra8 Kg6 36. Ra7 f5 37. a5 h5 38. a6 f4 39. h4 Kf6 40. Ra8 Ke7 41. a7 Ra4 42. Rh8 Rxa7 43. Rxh5 Kf6 44. Rb5 Ra2 45. Rc5 Re2 46. Rb5 Kg6 47. Rc5 f6 48. Rb5 Re5 49. Rxe5 fxe5 50. Kg2 Kh6 51. Kh2 Kg6 52. Kg2 Kf5 53. Kf2 1/2-1/2

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Otazo, Carlos"]
[Black "Jodorcovsky Werjivker, Paulo"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2295"]
[PlyCount "70"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 dxc6 8. Be3 Nf6 9. 0-0 e5 10. h3 Be7 11. Qd2 0-0 12. Kh1 Be6 13. f4 Nh5 14. Qf2 Nxf4 15. Bxf4 exf4 16. Qxf4 Bd6 17. Qe3 Be5 18. Be2 Qe7 19. Nd1 a5 20. c3 a4 21. a3 Bc7 22. Rf3 Qd6 23. Qg1 Qe5 24. Nf2 f5 25. Bd3 fxe4 26. Bxe4 Bd5 27. Re1 Bxe4 28. Rxe4 Qg5 29. Rxf8+ Rxf8 30. Re2 Qg3 31. Ng4 h5 32. Ne3 Re8 33. Nf5 Rxe2 34. Nxg3 Bxg3 35. h4 Re1 0-1

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Otazo, Carlos"]
[Black "Martinez, M Catalino"]
[Result "1/2-1/2"]
[ECO "B09"]
[BlackElo "2025"]
[PlyCount "83"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Qd3 Qxc5 8. Be3 Qb4 9. Qb5+ Nc6 10. Qxb4 Nxb4 11. Bd3 0-0 12. 0-0 Bd7 13. a3 Nxd3 14. cxd3 a6 15. Rac1 Rac8 16. h3 Bc6 17. Nd4 Nd7 18. Nxc6 bxc6 19. Rc2 e6 20. Rfc1 c5 21. Ne2 Rb8 22. Rb1 a5 23. Bd2 a4 24. Nc3 Rb3 25. Nxa4 Rxd3 26. Nc3 Rb8 27. Re1 Nb6 28. e5 Nc4 29. Bc1 dxe5 30. fxe5 Bxe5 31. Ne4 Bd4+ 32. Kh1 Nxb2 33. Nxc5 Bxc5 34. Rxc5 Rxa3 35. Rc7 Rab3 36. Rf1 R3b7 37. Rfxf7 Rxc7 38. Rxc7 Nd3 39. Bh6 e5 40. Rg7+ Kh8 41. Re7 e4 42. Kh2 1/2-1/2

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Otazo, Carlos"]
[Black "Ogdon, Ricardo"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "91"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. Qf3 Bxe5 7. dxe5 Nc5 8. Nc3 Nxd3+ 9. Qxd3 Be6 10. Qg3 Rg8 11. Bg5 Qd7 12. Rd1 Nc6 13. Ne4 Ne7 14. Bxe7 Kxe7 15. Qg5+ Kf8 16. Qd2 b6 17. c4 dxe4 18. Qxd7 Bxd7 19. Rxd7 Re8 20. Rxc7 Rxe5 21. Rxa7 g6 22. Ke2 Re7 23. Ra8+ Kg7 24. Rxg8+ Kxg8 25. Rd1 f5 26. Rd6 Rb7 27. Rc6 Kg7 28. Ke3 g5 29. g4 fxg4 30. Kxe4 Rf7 31. Ke3 Re7+ 32. Kd2 Rf7 33. Ke2 Re7+ 34. Kf1 Rb7 35. Kg2 h5 36. b4 h4 37. b5 Ra7 38. Rxb6 Rxa2 39. Rb7+ Kf6 40. b6 Rb2 41. c5 Rb3 42. c6 h3+ 43. Kf1 Rb1+ 44. Ke2 Rb2+ 45. Ke3 Ke6 46. c7 1-0

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Otazo, Carlos"]
[Black "Peralta, Eduardo"]
[Result "1/2-1/2"]
[ECO "B33"]
[BlackElo "2340"]
[PlyCount "101"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[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 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 Be6 11. c3 Bg7 12. Bd3 f5 13. Qh5 f4 14. g3 Ne7 15. Qg5 Ng6 16. Qxd8+ Kxd8 17. c4 Bxd5 18. cxd5 Kd7 19. Nc2 Bf6 20. Ke2 h5 21. Nb4 Rhb8 22. Nc6 Rb6 23. b4 Ne7 24. Nxe7 Bxe7 25. a4 Bd8 26. axb5 Ke7 27. Rhb1 Rbb8 28. bxa6 Bb6 29. b5 Rc8 30. Rc1 Rcb8 31. Rc6 Ra7 32. Rac1 Kd7 33. R1c2 fxg3 34. hxg3 Bd4 35. Rc1 f5 36. exf5 e4 37. Bxe4 Rxb5 38. Rb1 Ra5 39. Rb7+ Rxb7 40. axb7 Rb5 41. Rc2 Rxb7 42. Bf3 h4 43. gxh4 Ke7 44. Be4 Kf6 45. f4 Bc5 46. Kd3 Rb3+ 47. Rc3 Rb4 48. Rc4 Rb3+ 49. Rc3 Rb4 50. Rc4 Rb3+ 51. Rc3 1/2-1/2

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Paniagua, Faustino"]
[Black "Otazo, Carlos"]
[Result "0-1"]
[ECO "E34"]
[PlyCount "102"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Ne4 7. a3 Qa5 8. Bd2 Nxd2 9. Nxd2 Bxc3 10. Qxc3 Qxc3 11. bxc3 b6 12. f3 Ba6 13. e4 Bxf1 14. Nxf1 Nd7 15. Ne3 0-0 16. Kf2 c6 17. a4 Nf6 18. Nc4 c5 19. Nd6 cxd4 20. cxd4 Rfd8 21. e5 Ne8 22. Nxe8 Rxe8 23. Rhd1 Red8 24. Rac1 Rac8 25. d5 exd5 26. Rxd5 Kf8 27. Rxd8+ Rxd8 28. Rc7 Rd5 29. e6 fxe6 30. Rxa7 Ra5 31. Rxa5 bxa5 32. Ke3 Ke7 33. Ke4 Kd6 34. Kd4 e5+ 35. Kc4 Kc6 36. g3 g6 37. h3 g5 38. h4 gxh4 39. gxh4 h5 40. Kc3 Kc5 41. Kd3 Kb4 42. Ke4 Kxa4 43. Kxe5 Kb3 44. f4 a4 45. f5 a3 46. f6 a2 47. Kf5 a1Q 48. Kg6 Kc4 49. Kf7 Kd5 50. Ke7 Qe1+ 51. Kf8 Qxh4 0-1

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Riego Prieto, Victorio"]
[Black "Otazo, Carlos"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2220"]
[PlyCount "69"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nc6 4. Nc3 Nf6 5. h3 e5 6. Bc4 h6 7. d3 Be6 8. fxe5 Nxe5 9. Nxe5 dxe5 10. Bxe6 fxe6 11. 0-0 Bd6 12. a4 a6 13. Qe2 0-0 14. Nd1 Bc7 15. Ne3 Qd7 16. Bd2 b5 17. axb5 axb5 18. Kh1 Qd6 19. Bc3 Rxa1 20. Rxa1 Nd5 21. exd5 e4 22. Ng4 h5 23. Be5 Qxd5 24. dxe4 Qc6 25. Bxc7 hxg4 26. Be5 gxh3 27. gxh3 Qb7 28. Rg1 Rf7 29. Qg4 Qd7 30. Rd1 Qb7 31. Rd8+ Rf8 32. Qxe6+ Qf7 33. Qxf7+ Kxf7 34. Rxf8+ Kxf8 35. Bd6+ 1-0

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Riline Orso, Alejandro"]
[Black "Otazo, Carlos"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2250"]
[PlyCount "51"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 h6 7. e3 0-0 8. Bd3 b6 9. Ne2 Bb7 10. 0-0 Nbd7 11. Ng3 c5 12. cxd5 exd5 13. e4 dxe4 14. fxe4 Qc8 15. Nf5 Kh8 16. Nd6 Qc6 17. Nxb7 Qxb7 18. e5 Ng8 19. Qh5 Qd5 20. Be3 c4 21. Bc2 Rae8 22. Rf3 b5 23. Raf1 g6 24. Qh4 Kh7 25. Rh3 Nxe5 26. Bxh6 1-0

[Event "CHI Mayor op"]
[Site "Chile"]
[Date "1997.??.??"]
[Round "?"]
[White "Sosa, Jorge"]
[Black "Otazo, Carlos"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "45"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nc6 3. Bb2 d4 4. e3 dxe3 5. fxe3 Bg4 6. Be2 e6 7. 0-0 Nf6 8. d4 Bd6 9. c4 Bf5 10. Nc3 Nb4 11. Ne1 c5 12. a3 Na6 13. Nb5 Ne4 14. Nxd6+ Qxd6 15. Bd3 cxd4 16. exd4 Nac5 17. Bc2 Rd8 18. Qe2 Nxb3 19. Bxb3 Qb6 20. Ba4+ Kf8 21. Rd1 Qa5 22. Bc2 Qb6 23. Ba1 1-0

