[Event "Santiago op"]
[Site "Santiago de Chile"]
[Date "1997.??.??"]
[Round "4"]
[White "Brito Arcayaga, Jaime"]
[Black "Cordero Tononi, Humberto"]
[Result "1-0"]
[ECO "C32"]
[WhiteElo "2175"]
[PlyCount "93"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. Nc3 Nf6 5. Bb5+ c6 6. dxc6 Nxc6 7. d4 Bb4 8. Nge2 0-0 9. 0-0 Ne7 10. a3 Bxc3 11. Nxc3 Nf5 12. Ne2 a6 13. Ba4 Ng4 14. c3 Nfe3 15. Bxe3 Nxe3 16. Qd2 Nxf1 17. Rxf1 b5 18. Bb3 Re8 19. Qe3 Bg4 20. Ng3 Be6 21. Bd1 f5 22. Be2 Qd5 23. Rd1 g6 24. Nf1 Red8 25. h3 Qb3 26. Rd2 Qd5 27. Qg3 Qc6 28. Ne3 Bc4 29. Nxf5 Kh8 30. Nh6 Rf8 31. Ng4 Bxe2 32. Rxe2 a5 33. Ne5 Qf6 34. Rxe4 Qf5 35. Qf3 b4 36. g4 Qc8 37. Qe3 bxa3 38. bxa3 Rb8 39. d5 Rb1+ 40. Kf2 Qd8 41. Nf7+ Rxf7 42. Re8+ Qxe8 43. Qxe8+ Kg7 44. Qe5+ Kg8 45. d6 Rb6 46. d7 Rf8 47. Qd5+ 1-0

[Event "Santiago op"]
[Site "Santiago de Chile"]
[Date "1997.??.??"]
[Round "3"]
[White "Cordero Tononi, Humberto"]
[Black "Jorquera Cahuin, Marcelo Joaquin"]
[Result "1-0"]
[ECO "E97"]
[BlackElo "2160"]
[PlyCount "79"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[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. Bd2 Ne8 10. b4 f5 11. Ng5 h6 12. Ne6 Bxe6 13. dxe6 Nf6 14. f3 c6 15. a4 Qc8 16. a5 Qxe6 17. a6 b6 18. b5 c5 19. g4 fxg4 20. fxg4 g5 21. h3 Ng6 22. Rf5 Nh4 23. Rf1 Nh7 24. Nd5 Rxf1+ 25. Bxf1 Rf8 26. Bg2 Nf6 27. Nxf6+ Qxf6 28. Qe2 Nf3+ 29. Bxf3 Qxf3 30. Qxf3 Rxf3 31. Kg2 Rd3 32. Ba5 Re3 33. Bxb6 Rxe4 34. Bc7 Re2+ 35. Kf1 Rh2 36. Kg1 Rc2 37. b6 e4 38. bxa7 Bd4+ 39. Kh1 Rc3 40. a8Q+ 1-0

[Event "Santiago op"]
[Site "Santiago de Chile"]
[Date "1997.??.??"]
[Round "7"]
[White "Cordero Tononi, Humberto"]
[Black "Maturana Sainz, Ignacio"]
[Result "0-1"]
[ECO "B71"]
[PlyCount "74"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[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 g6 6. f4 Bg7 7. Bb5+ Nfd7 8. 0-0 0-0 9. Be3 a6 10. Be2 b5 11. a4 b4 12. Nd5 a5 13. Nb5 Na6 14. Bd4 Bxd4+ 15. Qxd4 Bb7 16. Rad1 Bxd5 17. Qxd5 Qb6+ 18. Qd4 Nac5 19. e5 dxe5 20. fxe5 Nxa4 21. e6 Qxd4+ 22. Rxd4 Ne5 23. Re4 f6 24. b3 Nc5 25. Re3 Rfd8 26. g4 g5 27. h4 h6 28. hxg5 hxg5 29. Rf2 Kg7 30. Rxe5 fxe5 31. Rf7+ Kh8 32. Bc4 a4 33. bxa4 Rxa4 34. Nc7 Ra1+ 35. Kf2 Rc1 36. Bb3 Nxb3 37. cxb3 Rxc7 0-1

[Event "Santiago op"]
[Site "Santiago de Chile"]
[Date "1997.??.??"]
[Round "2"]
[White "Utman, Carlos"]
[Black "Cordero Tononi, Humberto"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2135"]
[PlyCount "53"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 c5 7. d5 e6 8. Nc3 exd5 9. cxd5 c4 10. Nf3 Bb4 11. Bxc4 0-0 12. Bb3 Bg4 13. 0-0 N8d7 14. Bf4 Nc5 15. d6 Ne6 16. Be3 Rc8 17. Nd5 Nxd5 18. Qxd5 Bc5 19. Bxc5 Nxc5 20. Bc2 Qb6 21. Qd4 Bxf3 22. Rxf3 a5 23. Raf1 Nd7 24. Qxb6 Nxb6 25. Bb3 Nc4 26. d7 Rc7 27. e6 1-0

