[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Guzman, Ricardo"]
[Black "Riveros, Diego"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "115"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 d6 4. h3 Nc6 5. Nf3 d5 6. exd5 Nxd5 7. 0-0 Bc5 8. Re1 f6 9. c3 0-0 10. Qb3 Be6 11. d4 Na5 12. Qb5 Bb6 13. dxe5 a6 14. Qa4 Kh8 15. Bxd5 Bxd5 16. Nbd2 Nc6 17. c4 Be6 18. exf6 Qxf6 19. Ne4 Qg6 20. Ng3 Rad8 21. Be3 Bxe3 22. Rxe3 Qf6 23. Rae1 Bd7 24. Qc2 Be8 25. Qf5 Bg6 26. Qxf6 Rxf6 27. Ne5 Nxe5 28. Rxe5 h6 29. R5e2 Kh7 30. b3 Rdf8 31. Rd2 R8f7 32. Re5 b6 33. Red5 Re7 34. Rd7 Rff7 35. Rxe7 Rxe7 36. Re2 Rxe2 37. Nxe2 Bb1 38. a3 Bc2 39. b4 Bd3 40. Nd4 Bxc4 41. f4 Kg6 42. Kf2 Bd5 43. g4 Kf6 44. Ke3 g6 45. h4 c5 46. bxc5 bxc5 47. Nf3 c4 48. Ne5 g5 49. Kd4 gxh4 50. Kxd5 c3 51. Ke4 c2 52. Nd3 Kg6 53. Kf3 Kf6 54. Kg2 Ke6 55. Kh3 Kd5 56. Nb4+ Ke4 57. Nxc2 Kxf4 58. Kxh4 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Labarca, Alexis"]
[Black "Riveros, Diego"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "65"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. c4 b6 4. cxd5 Qxd5 5. Nc3 Qd8 6. e4 a6 7. Be3 Bg4 8. Be2 g6 9. h3 Bxf3 10. Bxf3 Bg7 11. e5 Qd7 12. Qa4 b5 13. Nxb5 Rc8 14. Qxa6 Nb8 15. Qb7 c6 16. Qxd7+ Nxd7 17. Na7 Rc7 18. Nxc6 e6 19. 0-0 Ne7 20. Nxe7 Kxe7 21. Rfc1 Rhc8 22. Rxc7 Rxc7 23. Rc1 Ra7 24. a3 Ra5 25. Bd2 Rb5 26. Bb4+ Kd8 27. Be2 Rd5 28. Bc3 Bh6 29. Rc2 Nb8 30. Bf3 Rd7 31. Ba5+ Ke7 32. Rc8 Rb7 33. Bxb7 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Rojas, Victor"]
[Black "Riveros, Diego"]
[Result "1/2-1/2"]
[ECO "C62"]
[PlyCount "47"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. 0-0 a6 6. Bxc6 Bxc6 7. dxe5 dxe5 8. Qxd8+ Rxd8 9. Nxe5 Bxe4 10. Re1 Be7 11. c3 Nf6 12. Nd2 h6 13. Nxe4 Nxe4 14. Bxh6 Rxh6 15. Rxe4 Re6 16. f3 Bc5+ 17. Kh1 f6 18. Ng6 Rxe4 19. fxe4 Rd2 20. b4 Bf2 21. e5 Kf7 22. Nh8+ Kg8 23. Ng6 Kf7 24. Nh8+ 1/2-1/2

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Unanue, Domingo"]
[Black "Riveros, Diego"]
[Result "0-1"]
[ECO "C62"]
[PlyCount "112"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 Bd7 5. a3 h6 6. 0-0 Nf6 7. Bc4 Bg4 8. Bb5 a6 9. Bxc6+ bxc6 10. d3 d5 11. Qe2 d4 12. Nd1 Bd6 13. c3 c5 14. Bd2 a5 15. b3 Qb8 16. Rb1 0-0 17. Rb2 Ra6 18. b4 axb4 19. axb4 cxb4 20. cxd4 Bxf3 21. Qxf3 exd4 22. Kh1 c5 23. g3 Re8 24. Bxh6 Ra3 25. Bg5 Qd8 26. Qe2 Ra5 27. f4 Be7 28. Bxf6 Bxf6 29. e5 Qd5+ 30. Kg1 g6 31. Nf2 Bg7 32. Re1 Ra6 33. Ng4 Rae6 34. Qf2 R6e7 35. Rbe2 Qe6 36. h3 Qf5 37. Qf3 g5 38. Re4 b3 39. Rb1 Rb8 40. Rb2 Rb6 41. Qd1 Reb7 42. Qc1 Rc7 43. Qc4 Qe6 44. Qxe6 fxe6 45. fxg5 Ra7 46. Re1 Ra2 47. Reb1 Rxb2 48. Rxb2 Bf8 49. Nf6+ Kg7 50. Nd7 Rb4 51. Nxf8 Kxf8 52. h4 c4 53. dxc4 d3 54. Kf1 Rxc4 55. Rb1 Rc2 56. Rd1 b2 0-1

