[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Ubeda, Osvaldo"]
[Black "Blest, Sergio"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Qf6 8. Qxd5+ Be6 9. Qxe6+ Qxe6 10. Bxe6+ Kxe6 11. c3 Rd8 12. 0-0 Be7 13. Rd1 Rhf8 14. d3 Kf7 15. Be3 a5 16. a3 b5 17. d4 Bf6 18. Nd2 exd4 19. cxd4 Nxd4 20. Ne4 Nc2 21. Rab1 Rxd1+ 22. Rxd1 Nxe3 23. fxe3 Bxb2 24. Rd7+ Kg8 25. Rxc7 Bxa3 26. Nc3 Bc1 27. Re7 b4 28. Nd1 a4 29. Re4 Rd8 30. Rd4 Rxd4 31. exd4 a3 32. d5 a2 33. d6 a1Q 0-1

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Ubeda, Osvaldo"]
[Black "Tabach, Jorge"]
[Result "1-0"]
[ECO "B54"]
[PlyCount "115"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 e5 6. Nf3 h6 7. h3 Nf6 8. Bd3 Nc6 9. a3 Bd7 10. Nd5 Nxd5 11. exd5 Qa5+ 12. Bd2 Qxd5 13. Qe2 Nd4 14. Nxd4 Qxd4 15. Bc3 Qb6 16. 0-0 Be7 17. Rad1 Rd8 18. Qe1 Rc8 19. Qe2 Be6 20. Kh1 Qc6 21. Qe4 Bc4 22. Qg4 0-0 23. Bxc4 Qxc4 24. Qg3 Qc6 25. f4 f6 26. fxe5 dxe5 27. Qg6 Qe8 28. Qe4 b6 29. Qb7 Bxa3 30. Qxb6 Rc6 31. Qb3+ Kh8 32. Qxa3 Re6 33. Rd6 Rxd6 34. Qxd6 Qc8 35. Bxe5 Rd8 36. Qe7 Re8 37. Qc7 fxe5 38. Rf7 Qxc7 39. Rxc7 Re6 40. Kg1 Kh7 41. Rc3 Rf6 42. Re3 Re6 43. c4 Kg6 44. c5 Kf7 45. Kf2 Ke7 46. Rc3 Rc6 47. Ke3 Ke6 48. Ke4 g6 49. b4 g5 50. g4 Rc7 51. Rd3 Rc6 52. Rd5 Kf6 53. Rxe5 Kg6 54. Kd5 Rf6 55. Re6 Kf7 56. Rxf6+ Kxf6 57. Kd6 Kg6 58. c6 1-0

[Event "ARAIS tt"]
[Site "Santiago de Chile"]
[Date "1994.??.??"]
[Round "?"]
[White "Ulloa, Sergio"]
[Black "Ubeda, Osvaldo"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "93"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. a3 a6 4. Bc4 h6 5. h3 Nf6 6. d3 d5 7. Bxd5 Nxd5 8. exd5 Qxd5 9. Nc3 Qd8 10. Qe2 Bd6 11. d4 Qe7 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Qxe5+ Bxe5 15. Nd5 0-0 16. 0-0 Bd6 17. Be3 Be6 18. Rad1 Rad8 19. c4 c6 20. Bb6 Rd7 21. Ne3 c5 22. b3 Rc8 23. Ba5 Rc6 24. Bc3 Rb6 25. Rb1 Bf4 26. Kh1 Rd3 27. Rfc1 Bxe3 28. fxe3 Rxe3 29. b4 Bxc4 30. Rb2 cxb4 31. Bd4 Rxa3 32. Bxb6 Rb3 33. Rxb3 Bxb3 34. Rb1 Bd5 35. Rxb4 Kh7 36. Kg1 Bc6 37. Kf2 Bd5 38. Rd4 Bc6 39. g3 Kg8 40. h4 Kh7 41. Ke3 Kg8 42. h5 Kf8 43. Kf4 Kg8 44. Rd8+ Kh7 45. g4 g5+ 46. Kf5 Kg7 47. Bd4+ 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Delano, Manuel"]
[Black "Ubeda, Osvaldo"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "95"]
[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 d6 3. Bc4 h6 4. c3 Nf6 5. d3 Bg4 6. h3 Bd7 7. Be3 Be7 8. Nbd2 Nc6 9. d4 exd4 10. cxd4 a6 11. a4 0-0 12. 0-0 Nb4 13. Qb3 a5 14. e5 dxe5 15. dxe5 Nh7 16. Rad1 Qc8 17. Rfe1 Bf5 18. Nd4 c5 19. Nxf5 Qxf5 20. Nf3 Nc2 21. Re2 Nxe3 22. Rxe3 Rab8 23. e6 Bg5 24. exf7+ Kh8 25. Re5 Qf6 26. Rxc5 Bf4 27. Rxa5 Ng5 28. Nxg5 Bxg5 29. Rb5 b6 30. a5 Bh4 31. g3 Bg5 32. Rxb6 Rxb6 33. Qxb6 Qxb6 34. axb6 g6 35. Re1 Kg7 36. Re8 Bf6 37. Rxf8 Kxf8 38. b7 Be5 39. b3 g5 40. Kg2 Bd6 41. Kf3 Kg7 42. Ke4 Bb8 43. Kd5 Kf8 44. Ke6 Bc7 45. Kd7 Bb8 46. Kc8 Be5 47. b8Q Bxb8 48. Kxb8 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Jimenez, Max"]
[Black "Ubeda, Osvaldo"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "98"]
[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 d6 3. d3 h6 4. g3 Nc6 5. c3 Bg4 6. Bg2 Nf6 7. 0-0 Be7 8. Be3 0-0 9. Nbd2 a6 10. b4 b5 11. Qc2 d5 12. Rae1 d4 13. cxd4 Nxb4 14. Qb3 exd4 15. Nxd4 c5 16. e5 Nfd5 17. Nc2 Nxc2 18. Qxc2 Rc8 19. Ne4 Nb4 20. Qb3 Qxd3 21. f3 Qxb3 22. axb3 Be6 23. Rc1 c4 24. bxc4 Bxc4 25. Rfd1 Nd3 26. Rc3 Nxe5 27. Bh3 Ra8 28. Kf2 a5 29. f4 Ng6 30. f5 Ne5 31. Bd4 f6 32. Bg2 Ra7 33. Bf3 Nxf3 34. Kxf3 Rd7 35. Ke3 Rfd8 36. Rc2 Bb3 37. Rcd2 Bxd1 38. Rxd1 b4 39. g4 b3 40. h4 a4 41. g5 hxg5 42. hxg5 a3 43. gxf6 gxf6 44. Rg1+ Kf7 45. Ng5+ fxg5 46. Be5 Rd1 47. Rg4 b2 48. f6 Bxf6 49. Ke4 b1Q+ 0-1

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Mihelic, Dario"]
[Black "Ubeda, Osvaldo"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "37"]
[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 d6 3. d4 exd4 4. Nxd4 Bd7 5. Bd3 Nc6 6. c3 Nf6 7. 0-0 Nxd4 8. cxd4 Be7 9. Nc3 0-0 10. Bc2 Bg4 11. Qd3 Bh5 12. f4 Nd7 13. Qh3 Nf6 14. e5 dxe5 15. dxe5 Bc5+ 16. Kh1 Ng4 17. Qxh5 Nf2+ 18. Rxf2 Bxf2 19. Qxh7# 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Opazo, Cesar"]
[Black "Ubeda, Osvaldo"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "99"]
[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. Bc4 d6 4. Nc3 h6 5. d3 Be7 6. Be3 Na5 7. Qe2 Nxc4 8. dxc4 Nf6 9. 0-0-0 0-0 10. c5 Qe8 11. cxd6 cxd6 12. Nd2 Be6 13. f4 Ng4 14. f5 Nxe3 15. Qxe3 Bd7 16. Nd5 Bg5 17. Qg3 Rc8 18. h4 Bd8 19. f6 g6 20. Nf3 Be6 21. h5 Bxd5 22. Rxd5 Bxf6 23. hxg6 fxg6 24. Rxh6 Kg7 25. Qh3 Rh8 26. Rxh8 Qxh8 27. Qd7+ Kh6 28. Rxd6 Rd8 29. Qh3+ Kg7 30. Qxh8+ Kxh8 31. Rxf6 Kg7 32. Re6 Rh8 33. Rxe5 Rh1+ 34. Kd2 Kf6 35. Rb5 Rh7 36. Kc3 b6 37. Rd5 Rc7+ 38. Kb3 Re7 39. e5+ Ke6 40. Rd6+ Kf7 41. Ng5+ Kg7 42. Re6 Rd7 43. Rd6 Re7 44. Nf3 Kf7 45. c3 Rc7 46. Nd4 g5 47. e6+ Ke7 48. Rd7+ Rxd7 49. exd7 Kxd7 50. Nf3 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Sotelo, Juan"]
[Black "Ubeda, Osvaldo"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "142"]
[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. d4 d5 2. Nf3 Nf6 3. Bf4 Nc6 4. h3 e6 5. e3 a6 6. c4 Be7 7. Nc3 0-0 8. Bd3 dxc4 9. Bxc4 Bd6 10. Ne2 Re8 11. 0-0 h6 12. a3 Bxf4 13. Nxf4 e5 14. dxe5 Qxd1 15. Rfxd1 Nd7 16. e6 fxe6 17. Nxe6 Kh8 18. Nxc7 Nb6 19. Ba2 Re7 20. Nxa8 Nxa8 21. Rd2 Bf5 22. Rad1 Nb6 23. Nd4 Nxd4 24. Rxd4 Rc7 25. Rd8+ Kh7 26. Bg8+ Kg6 27. R1d6+ Kh5 28. Rxb6 Be4 29. f3 Bc6 30. Kh2 Re7 31. e4 Re5 32. Bf7+ Kg5 33. Kg3 Kf6 34. Rf8 Ke7 35. Re8+ Bxe8 36. Rxb7+ Kf8 37. Bd5 Bb5 38. b3 Bf1 39. a4 Rg5+ 40. Kf4 Rxg2 41. Ke5 Rf2 42. f4 Bxh3 43. Bc4 Bf1 44. Bxf1 Rxf1 45. Kf5 Rg1 46. Rb6 h5 47. Rg6 Rb1 48. Kg5 Rxb3 49. Kxh5 Rb4 50. Rxa6 Rxe4 51. Kg5 Rc4 52. f5 Rc1 53. a5 Ra1 54. Ra7 Rg1+ 55. Kf4 Rf1+ 56. Ke5 Re1+ 57. Kf4 Rf1+ 58. Kg5 Rg1+ 59. Kh4 Rf1 60. Ra8+ Kf7 61. Kg5 Rg1+ 62. Kh4 Rh1+ 63. Kg3 Rf1 64. a6 Rxf5 65. a7 Ra5 66. Kg4 Ra4+ 67. Kf3 Ke7 68. Ke3 Kd7 69. Kd3 Kc7 70. Rg8 Rxa7 71. Rxg7+ Kb6 1/2-1/2

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Ubeda, Osvaldo"]
[Black "Catrin, Luciano"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "29"]
[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. d4 d5 4. dxe5 dxe4 5. Qxd8+ Nxd8 6. Nfd2 Bf5 7. Nc3 Bb4 8. a3 Bxc3 9. bxc3 Nh6 10. Be2 Nc6 11. Nc4 Rd8 12. Bxh6 gxh6 13. 0-0 Rg8 14. Rfd1 e3 15. Nxe3 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Ubeda, Osvaldo"]
[Black "Lopez, Rafael"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "63"]
[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. Bc4 Bc5 4. c3 Na5 5. Bxf7+ Kxf7 6. Nxe5+ Kf8 7. b4 Bxf2+ 8. Kxf2 Qf6+ 9. Nf3 Nc6 10. Rf1 Nh6 11. Kg1 Qd8 12. d3 d6 13. Ne5+ Ke8 14. Bxh6 Nxe5 15. Bxg7 Bg4 16. Qa4+ Bd7 17. Qb3 Ke7 18. Bf6+ Ke8 19. Bxd8 Rxd8 20. d4 Ke7 21. dxe5 Be6 22. exd6+ Rxd6 23. Qc2 Bc4 24. Re1 Rf8 25. Nd2 Bd3 26. Qb2 Rdf6 27. Nf3 Rf4 28. c4 Bxc4 29. Qg7+ R8f7 30. Qe5+ Be6 31. Qxc7+ Kf6 32. Qxf7+ 1-0

[Event "Santiago ARAIS tt-B"]
[Site "Santiago de Chile"]
[Date "1992.??.??"]
[Round "?"]
[White "Ubeda, Osvaldo"]
[Black "Vitis Topaz, Manuel"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "94"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 Qc7 7. Bd3 Nc6 8. Nxc6 bxc6 9. 0-0 e6 10. Re1 Be7 11. Be3 0-0 12. Ne2 Bb7 13. Ng3 c5 14. Bd2 Rad8 15. Bc3 e5 16. Nf5 Rfe8 17. Nxe7+ Rxe7 18. Bd2 c4 19. Be2 Nxe4 20. Bf3 Nxd2 21. Bxb7 Qxb7 22. Qxd2 d5 23. Rab1 h6 24. Qe3 Rde8 25. Qg3 a5 26. b3 cxb3 27. Rxb3 Qc6 28. Rc3 Qb6 29. Rb3 Qa6 30. Reb1 Qe6 31. Rb6 Qf5 32. Ra6 Qxc2 33. Rab6 Rc7 34. h3 d4 35. Qg4 d3 36. Rb8 Rce7 37. R8b2 Qc3 38. Qd1 e4 39. Rb3 Qc5 40. Qd2 a4 41. Rc3 Qd6 42. Rb4 Rb8 43. Rcc4 Rxb4 44. Rxb4 Qc6 45. Qd1 Rc7 46. Rxa4 Qc1 47. Ra8+ Kh7 0-1

