[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "18"]
[White "Arias Santana, Mauricio"]
[Black "Vargas, Oliverio"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2090"]
[BlackElo "2020"]
[PlyCount "126"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Be3 Bd6 9. Nbd2 Ne7 10. Re1 Bd7 11. c4 c5 12. b4 b6 13. bxc5 bxc5 14. Nb3 Ng6 15. Bxc5 Nf4 16. Be3 g5 17. d4 Rg8 18. dxe5 Bxe5 19. Nxe5 Qxe5 20. Qf3 Ne6 21. Rad1 0-0-0 22. Rd5 Qg7 23. Bd4 g4 24. hxg4 hxg4 25. Qc3 Nxd4 26. Qxd4 Qxd4 27. Nxd4 g3 28. f4 Be6 29. Nxe6 fxe6 30. Rxd8+ Rxd8 31. Kf1 Rf8 32. f5 exf5 33. e5 Kd7 34. Ke2 Ke6 35. Kf3 Rd8 36. Kxg3 Rd3+ 37. Kf2 Rc3 38. Ke2 Rxc4 39. Kd3 Ra4 40. Re2 Rg4 41. Kc3 c5 42. a3 Re4 43. Rb2 Kd5 44. Rb6 Re3+ 45. Kd2 Rxe5 46. Rxa6 Kc4 47. Rb6 Re4 48. a4 Rg4 49. a5 Rxg2+ 50. Ke3 Ra2 51. a6 Kc3 52. Kf4 Kd4 53. Rd6+ Kc4 54. Kxf5 Kb5 55. Ke4 Ra3 56. Rh6 c4 57. Kd4 Rd3+ 58. Ke4 Rd7 59. Ke3 c3 60. Ke2 c2 61. Rh1 Kb4 62. Ra1 Ra7 63. Kd2 Kb3 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "16"]
[White "Barrios, Carlos"]
[Black "Vargas, Oliverio"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2000"]
[PlyCount "120"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. d3 d5 7. b3 c6 8. Bb2 Nbd7 9. Nbd2 Bd6 10. Qc2 e5 11. cxd5 cxd5 12. e4 fxe4 13. dxe4 d4 14. Nc4 Bb8 15. Ba3 b5 16. Bxf8 bxc4 17. Bb4 c3 18. Rfd1 Bb7 19. Ne1 a5 20. Ba3 Qb6 21. Rab1 Nc5 22. Bxc5 Qxc5 23. Nd3 Qe7 24. f3 Bd6 25. Bf1 Rf8 26. Ne1 Qe8 27. Bd3 Bc6 28. Ng2 Qg6 29. Rf1 Bc5 30. Rbe1 Qe8 31. Kh1 Qh5 32. Qe2 g5 33. Bb5 Qe8 34. Bc4+ Kh8 35. Rc1 Qg6 36. Bd3 Nh5 37. f4 gxf4 38. gxf4 Qh6 39. Rf3 exf4 40. Kg1 Rg8 41. Kf1 Ng3+ 42. hxg3 Qh1+ 43. Kf2 Qxc1 44. Rxf4 Bb5 45. Ne1 Qe3+ 46. Qxe3 dxe3+ 47. Ke2 Bxd3+ 48. Nxd3 Rd8 49. Rf5 Ba3 50. Kxe3 c2 51. Rf1 Rxd3+ 52. Kxd3 c1Q 53. Rxc1 Bxc1 54. Kc4 Ba3 55. Kd5 Kg7 56. g4 Kf7 57. e5 Ke7 58. Kd4 Ke6 59. Ke4 Bb2 60. Kf4 Bxe5+ 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "5"]
[White "Bermudez Vives, Sergio"]
[Black "Vargas, Oliverio"]
[Result "0-1"]
[ECO "C69"]
[WhiteElo "2100"]
[BlackElo "2020"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Nxd4 Bd6 8. Nc3 Ne7 9. Be3 Ng6 10. f4 Qe7 11. Qh5 Bd7 12. f5 0-0-0 13. fxg6 hxg6 14. Qxg6 Bxh2+ 15. Kf2 f5 16. Nxf5 Rdf8 17. a3 Rf6 18. Qg5 Qf7 19. Ke1 Be5 20. Bd2 Kb8 21. Ne3 Rh5 22. Rxf6 gxf6 23. Qxh5 Qxh5 24. Kf2 Qh4+ 25. Ke2 Bg4+ 26. Kd3 f5 27. Nxg4 Qxg4 28. Re1 f4 29. Rh1 Qg3+ 30. Kc4 b5+ 31. Kb3 Qg8+ 32. Kb4 Qc4+ 33. Ka5 Bxc3+ 34. Kxa6 Qa4# 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "12"]
[White "Gonzalez Acosta, Bernal Manuel"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2385"]
[BlackElo "2015"]
[PlyCount "43"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 exd3 5. Bxd3 g6 6. h4 d5 7. h5 Bg4 8. f3 Bxh5 9. g4 Qd6 10. gxh5 Qg3+ 11. Kf1 Nxh5 12. Rh3 Qd6 13. Nc3 Nc6 14. Nb5 Qd7 15. Ne6 Rc8 16. Qd2 a6 17. Rxh5 Kf7 18. Bxg6+ hxg6 19. Rxh8 axb5 20. Ng5+ Kf6 21. Rxf8+ Rxf8 22. Nh7+ 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "1"]
[White "Minero Pineda, Sergio"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2315"]
[BlackElo "2020"]
[PlyCount "81"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 0-0 6. Nc3 Nbd7 7. 0-0 c6 8. e4 e5 9. h3 Re8 10. Re1 Qb6 11. d5 cxd5 12. cxd5 Nc5 13. Qe2 Bd7 14. Be3 Rec8 15. Rab1 Qa6 16. Qxa6 Nxa6 17. Nd2 Nc5 18. Bf1 a6 19. Nc4 Rc7 20. Nxd6 b5 21. Bxc5 Rxc5 22. Nb7 Rc7 23. Na5 Rac8 24. Nb3 Ne8 25. a3 Nd6 26. f3 Nc4 27. d6 Nxd6 28. Nd5 Be6 29. Nxc7 Rxc7 30. Rbc1 Nc4 31. Na5 Bf8 32. Nxc4 bxc4 33. Kg2 Be7 34. Rc2 Rc8 35. h4 g5 36. h5 g4 37. fxg4 Bxg4 38. Rxc4 Rb8 39. Rc2 Bxh5 40. Bxa6 Bf6 41. Rc8+ 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "11"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Vargas, Oliverio"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2000"]
[BlackElo "2020"]
[PlyCount "119"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. d3 Bd6 7. Be3 Ne7 8. Nbd2 0-0 9. c3 c5 10. a4 h6 11. Qb3 Be6 12. Qc2 Ng6 13. Nc4 f5 14. exf5 Bxf5 15. Ncd2 Nh4 16. Ne1 Qe8 17. Ne4 Qg6 18. f3 Rf7 19. Qf2 Be7 20. Kh1 c4 21. g3 cxd3 22. Nd2 Nxf3 23. Nexf3 Raf8 24. Qg2 Be4 25. Rf2 Bxf3 26. Rxf3 Rxf3 27. Nxf3 Qe4 28. Bf4 exf4 29. Re1 d2 30. Rxe4 d1Q+ 31. Re1 Qd6 32. g4 Qf6 33. Qe2 Bd6 34. Qe4 b6 35. Qc4+ Qf7 36. Qxa6 Qb3 37. Qb5 Qf7 38. Qe2 Qg6 39. Qe6+ Qxe6 40. Rxe6 Kf7 41. Re4 Re8 42. Rxe8 Kxe8 43. Kg2 c5 44. c4 Kf7 45. Kf2 Ke6 46. Ke2 Be5 47. b3 Bf6 48. Kd3 Bd8 49. Ke4 Bc7 50. h3 g5 51. h4 Bd8 52. h5 Bf6 53. Kd3 Bg7 54. Ne1 Ke5 55. Nf3+ Ke6 56. Ke4 Bc3 57. Ng1 Bg7 58. Ne2 Bb2 59. Ng1 Bg7 60. Ne2 1/2-1/2

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "14"]
[White "Rodriguez, Adrian"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "A92"]
[WhiteElo "2100"]
[BlackElo "2020"]
[PlyCount "185"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. Nbd2 d5 7. c4 c6 8. Ne5 Nbd7 9. Nd3 Qe8 10. Qc2 Qh5 11. Nf3 Ne4 12. Nf4 Qf7 13. Ne5 Nxe5 14. dxe5 Nc5 15. b4 Nd7 16. cxd5 cxd5 17. Bb2 Nb6 18. Qb3 g5 19. Nd3 Nc4 20. Bc3 b6 21. Rfd1 Bb7 22. Bd4 Rfc8 23. Kh1 Bd8 24. a4 h5 25. h4 Kh8 26. hxg5 Bxg5 27. Nf4 Rg8 28. Nxd5 Nd2 29. Qc2 Ne4 30. Qc7 Qxc7 31. Nxc7 Rg6 32. Nxa8 Bxa8 33. Bf3 h4 34. Kg2 hxg3 35. fxg3 Bd5 36. Rh1+ Kg7 37. e3 Be7 38. Rh3 Bxb4 39. Rah1 Kf7 40. Rh7+ Kf8 41. Rh8+ Rg8 42. Rxg8+ Kxg8 43. Rc1 Bb3 44. Rc8+ Bf8 45. Bxe4 fxe4 46. a5 Kf7 47. axb6 axb6 48. Bxb6 Bd5 49. Kh3 Bg7 50. Bd4 Bb3 51. Rc7+ Kg6 52. Kg4 Bh6 53. Rc1 Ba4 54. Rf1 Bb5 55. Rf6+ Kg7 56. Bc5 Kh7 57. Kh4 Bc4 58. Bd4 Bg7 59. Rf7 Kg6 60. Rc7 Bd5 61. g4 Bh6 62. Rc1 Bg5+ 63. Kg3 Kg7 64. Rc8 Kh7 65. Bc5 Kg7 66. Bb6 Kh7 67. Kf2 Bh4+ 68. Ke2 Bg3 69. Bc7 Bb7 70. Re8 Ba6+ 71. Kd2 Bc4 72. Kc3 Bd5 73. Kd4 Kg7 74. Re7+ Kg6 75. Bd8 Be1 76. Rd7 Bd2 77. Bf6 Bc1 78. Rg7+ Kh6 79. g5+ Kh5 80. Rg8 Bb2+ 81. Kc5 Bc1 82. g6 Bxe3+ 83. Kd6 Bh6 84. g7 Kg6 85. Rh8 Bxg7 86. Rg8 e3 87. Rxg7+ Kf5 88. Bg5 e2 89. Bh4 Bc4 90. Rf7+ Kg6 91. Rf6+ Kg7 92. Ke7 Bd5 93. Rxe6 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "9"]
[White "Salas Perez, Walter"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2020"]
[BlackElo "2020"]
[PlyCount "71"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. 0-0 Be7 6. dxe5 dxe5 7. Ng5 Bxg5 8. Qh5 g6 9. Qxg5 Qxg5 10. Bxg5 h6 11. Bd2 Ngf6 12. f3 g5 13. Bc3 0-0 14. a4 b6 15. Nd2 Bb7 16. Rfd1 Rad8 17. Nf1 g4 18. Ne3 gxf3 19. gxf3 Kh7 20. Kf2 a6 21. Rd6 b5 22. axb5 axb5 23. Ra7 Rb8 24. Bb3 c5 25. Nd5 Bxd5 26. Bxd5 Nxd5 27. Rxd5 b4 28. Bd2 Nf6 29. Rxc5 Rfd8 30. Ke2 Kg6 31. Rxe5 Rbc8 32. c3 bxc3 33. Bxc3 Rd6 34. Ree7 Rcd8 35. e5 Re6 36. Rxe6 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "3"]
[White "Solano Cruz, Agustin"]
[Black "Vargas, Oliverio"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1795"]
[BlackElo "1715"]
[PlyCount "142"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Qf6 7. Be3 Be7 8. Nc3 c6 9. 0-0 Nh6 10. Qxf6 Bxf6 11. Bxh6 gxh6 12. Nd1 Be6 13. Bb3 0-0-0 14. c3 d5 15. exd5 Bxd5 16. Bxd5 Rxd5 17. Ne3 Rd7 18. Rad1 Rhd8 19. Rxd7 Rxd7 20. Rd1 Bg5 21. Rxd7 Kxd7 22. Nd1 Ke6 23. Kf1 Bc1 24. Ke2 h5 25. Kd3 h4 26. Ke4 h5 27. b3 f5+ 28. Kf3 Ke5 29. Ne3 b5 30. Nc2 c5 31. Ke2 Bg5 32. Ne1 a5 33. Nf3+ Kf4 34. Ng1 Bf6 35. Nh3+ Ke5 36. Ke3 Be7 37. Kf3 Bf6 38. Nf4 Kd6 39. c4 bxc4 40. bxc4 Ke5 41. Nxh5 Bg5 42. Ke2 Kd4 43. Ng7 Kxc4 44. Nxf5 Kc3 45. Kd1 a4 46. g3 h3 47. f4 Bf6 48. g4 Kd3 49. g5 Bb2 50. g6 c4 51. g7 c3 52. Nd4 c2+ 53. Nxc2 Bxg7 54. Nb4+ Ke4 55. Ke2 Bd4 56. Nd3 Bg1 57. Nf2+ Bxf2 58. Kxf2 Kxf4 59. a3 Ke4 60. Kg3 Ke3 61. Kxh3 Kf3 62. Kh4 Kf4 63. h3 Kf5 64. Kg3 Kg5 65. Kf3 Kh4 66. Ke3 Kxh3 67. Kd3 Kg4 68. Kc4 Kf4 69. Kb5 Ke5 70. Kxa4 Kd6 71. Kb5 Kc7 1/2-1/2

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "8"]
[White "Vargas, Oliverio"]
[Black "Charpentier Morales, William"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2020"]
[BlackElo "2195"]
[PlyCount "45"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d3 Bg4 6. Be2 Nc6 7. Bd2 Qh5 8. h3 e6 9. Bf4 0-0-0 10. Qd2 Bb4 11. a3 Ne4 12. Qe3 Nxc3 13. axb4 Nxe2 14. Kxe2 Bxf3+ 15. gxf3 e5 16. Bg3 f5 17. Qc5 Nd4+ 18. Kd2 b6 19. Qc4 f4 20. Rxa7 Nxf3+ 21. Kc3 Rd7 22. Rha1 Kd8 23. Qe6 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "10"]
[White "Vargas, Oliverio"]
[Black "Hernandez, Francisco"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "2020"]
[BlackElo "2205"]
[PlyCount "111"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[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 g6 6. Be2 Nc6 7. Be3 Bg7 8. Qd2 0-0 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. f3 Qa5 12. Kb1 Rfc8 13. Nd5 Qxd2 14. Nxf6+ Bxf6 15. Rxd2 Bxd4 16. Rxd4 Rc5 17. Rhd1 Rac8 18. R1d2 Rh5 19. h3 Rg5 20. Bf1 Ra5 21. b3 g5 22. Rb4 Rc7 23. Rb5 Rxb5 24. Bxb5 Rc5 25. Be2 h5 26. g4 h4 27. Kb2 Kg7 28. a4 Kf6 29. c4 a5 30. Kc3 Ke5 31. Rb2 Bd7 32. Kd3 Kf4 33. Kd4 Rc6 34. Bd1 Rb6 35. Re2 f6 36. Kd3 Bc6 37. Re1 e6 38. Rg1 d5 39. Kd4 Rb4 40. Kc3 dxc4 41. bxc4 Bxa4 42. Bxa4 Rxa4 43. Rb1 Rb4 44. Ra1 b6 45. c5 Rb5 46. cxb6 Rxb6 47. Kc4 Rb4+ 48. Kc5 Kxf3 49. e5 fxe5 50. Ra3+ Kg2 51. Kd6 Rf4 52. Kxe5 Rf3 53. Rxa5 Kxh3 54. Ra3 Kg3 55. Kxe6 h3 56. Ra5 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "13"]
[White "Vargas, Oliverio"]
[Black "Jimenez Molina, Juan Leon"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2020"]
[BlackElo "2135"]
[PlyCount "117"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Nxd5 cxd5 12. h4 Bxb2 13. Rb1 Rb8 14. 0-0 Bf5 15. g4 Be6 16. c3 Ba3 17. h5 Qd7 18. Bd4 f6 19. hxg6 Rxb1 20. gxh7+ Kh8 21. Rxb1 Bxg4 22. Qh6 e5 23. Rb3 Bd6 24. f3 Bf5 25. Ba6 Bxh7 26. Rb7 Rg8+ 27. Kf2 Bf8 28. Qxf6+ Bg7 29. Bxe5 Qxb7 30. Bxb7 Bxf6 31. Bxf6+ Rg7 32. Bxd5 Bc2 33. Ke3 Kh7 34. Be4+ Bxe4 35. Bxg7 Bd5 36. Bd4 Bxa2 37. Bxa7 Kg6 38. Kd4 Kf5 39. Bb8 Ke6 40. c4 Bb3 41. f4 Ba2 42. Kc5 Bb1 43. Kd4 Bf5 44. c5 Bh3 45. c6 Bg2 46. c7 Bb7 47. Ke3 Bc8 48. Ba7 Kd6 49. Bb6 Bb7 50. Ba5 Ke6 51. Bc3 Bc8 52. Be5 Kd5 53. Kf3 Bd7 54. Kg3 Ke4 55. Kh4 Kf5 56. Kh5 Ke6 57. Kg6 Be8+ 58. Kg7 Bd7 59. Kf8 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "2"]
[White "Vargas, Oliverio"]
[Black "Melendez Vega, Esteban"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2020"]
[BlackElo "2020"]
[PlyCount "94"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 d5 5. Nxe5 dxe4 6. Nxc6 Nxc6 7. Qe2 Qe7 8. 0-0 Bd7 9. Re1 f5 10. d3 Qe5 11. dxe4 0-0-0 12. Nd2 Re8 13. Nf3 Qxe4 14. Qxe4 fxe4 15. Ng5 Bc5 16. Be3 Ne5 17. Bxd7+ Nxd7 18. Rad1 h6 19. Nh3 Bxe3 20. Rxe3 g5 21. Rde1 Nf6 22. Kf1 Rd8 23. R3e2 Rd6 24. g3 Rhd8 25. Ng1 g4 26. Kg2 Rd3 27. Kf1 R8d6 28. Kg2 Kd7 29. Kf1 Ke6 30. Re3 Rd2 31. R3e2 Kf5 32. Rxd2 Rxd2 33. Re2 Rd3 34. Ke1 Nd7 35. Rd2 Ne5 36. Ke2 Rxd2+ 37. Kxd2 Nd3 38. b3 Nxf2 39. Ne2 c5 40. b4 cxb4 41. cxb4 Nd3 42. a3 Ke5 43. Nc3 a6 44. Ke3 Ne1 45. Nxe4 Nc2+ 46. Kd3 Ne1+ 47. Ke3 Nc2+ 1/2-1/2

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "6"]
[White "Vargas, Oliverio"]
[Black "Minero, Boris P"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2020"]
[BlackElo "2100"]
[PlyCount "58"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d6 3. e3 g6 4. b3 Bg7 5. Bb2 0-0 6. Be2 Nc6 7. 0-0 e5 8. fxe5 Ng4 9. Na3 dxe5 10. h3 Nh6 11. Nc4 e4 12. Bxg7 Kxg7 13. Nfe5 Nxe5 14. Nxe5 Qg5 15. Ng4 Nf5 16. Qc1 h5 17. Qb2+ f6 18. Nh2 Nh4 19. g4 hxg4 20. Nxg4 Bxg4 21. Bxg4 Kh6 22. Kf2 f5 23. Be2 f4 24. Bg4 fxe3+ 25. Ke2 exd2 26. Rxf8 Rxf8 27. Qd4 Nf5 28. Qxd2 Ng3+ 29. Kd1 Rf1+ 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "15"]
[White "Vargas, Oliverio"]
[Black "Minero Pineda, Carlos"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2020"]
[BlackElo "2060"]
[PlyCount "80"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bc4 Bf5 7. Bd2 e6 8. Qe2 Bb4 9. Ne5 Nbd7 10. Nxd7 Nxd7 11. a3 Bxc3 12. bxc3 Bxc2 13. 0-0 0-0 14. Rfe1 Qf5 15. g4 Qg6 16. f3 Nb6 17. Ba2 Bd3 18. Qg2 Bc4 19. Bb1 Bd3 20. Ba2 Bc4 21. Bb1 Bd3 22. Ba2 Qf6 23. Re3 Bc4 24. Bb1 Nd5 25. Re5 Nf4 26. Bxf4 Qxf4 27. Bc2 Bd5 28. Rf1 f6 29. Ree1 b5 30. Bd3 g6 31. Qc2 Kg7 32. Qf2 Rae8 33. Re3 a5 34. Rfe1 a4 35. Qe2 Qd6 36. Qf2 Qxa3 37. c4 bxc4 38. Bxc4 Qd6 39. Bd3 a3 40. Bb1 Rb8 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "19"]
[White "Vargas, Oliverio"]
[Black "Murillo Tsijli, Alexis"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2020"]
[BlackElo "2250"]
[PlyCount "118"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Ng3 0-0 13. Bd2 Bd7 14. Rc1 Rae8 15. Re1 Re7 16. Ne5 Be8 17. Bc3 Kh8 18. Bb1 Qb6 19. Qd2 Bxe5 20. Rxe5 Ng4 21. Re2 Ref7 22. Qd3 g6 23. Nh1 Qc7 24. Qh3 Nf6 25. Bxg6 Rg7 26. Bd3 Bh5 27. Ree1 Bg4 28. Qe3 Bf5 29. Bxf5 exf5 30. f3 Rfg8 31. Re2 Nh5 32. Bd2 Rg6 33. Ng3 Nxg3 34. hxg3 Qxg3 35. Qf4 Qh3 36. Qh2 Qxf3 37. Rf2 Qe4 38. Re1 Qd3 39. Bc3 b5 40. a3 a5 41. Rd2 Qc4 42. Re3 b4 43. axb4 axb4 44. Rh3 R6g7 45. b3 bxc3 46. bxc4 cxd2 47. Rd3 dxc4 48. Rxd2 c3 49. Rd1 c2 50. Rc1 Rxg2+ 51. Qxg2 Rxg2+ 52. Kxg2 Nxd4 53. Kf2 f4 54. Kg2 Kg7 55. Kh3 h5 56. Kh4 Kf6 57. Kxh5 Kf5 58. Kh4 f3 59. Kh3 Ke4 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "4"]
[White "Vargas, Oliverio"]
[Black "Ugalde Garcia, Ronald"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2020"]
[BlackElo "2165"]
[PlyCount "86"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 dxe4 6. Nxe4 Bb4+ 7. Nc3 Nf6 8. Bd3 Nd5 9. Bd2 Qa5 10. Rc1 Nc6 11. Nf3 Bd7 12. 0-0 Nf6 13. Ne4 Nxe4 14. Bxe4 Bxd2 15. Nxd2 0-0 16. Nf3 h6 17. d5 exd5 18. Bxd5 Rad8 19. Qb3 Nb4 20. Bc4 b5 21. Be2 Nxa2 22. Ra1 Be6 23. Qe3 Rfe8 24. Nd4 Bc4 25. Bxc4 Rxe3 26. Bxf7+ Kxf7 27. fxe3+ Ke8 28. Nc6 Qa4 29. Nxd8 Kxd8 30. Rfd1+ Ke7 31. Rd3 Qc4 32. Ra3 Nc1 33. Rxa7+ Kf8 34. h3 Kg8 35. Kh1 Nd3 36. Rf1 Nxb2 37. Ra8+ Kh7 38. Rff8 b4 39. Rh8+ Kg6 40. Rhc8 Qf1+ 41. Kh2 Nd3 42. Ra7 b3 43. Rb7 Ne1 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "17"]
[White "Vargas, Oliverio"]
[Black "Valdes Romero, Leonardo"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2020"]
[BlackElo "2235"]
[PlyCount "82"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[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 0-0 6. h3 c5 7. Be3 b6 8. Qd2 Bb7 9. d5 a6 10. g4 b5 11. g5 b4 12. gxf6 bxc3 13. bxc3 Bxf6 14. Rb1 Bc8 15. h4 Bg4 16. Qg2 Bxc3+ 17. Kf2 h5 18. f5 Qc8 19. Be2 Nd7 20. Nh2 Bxe2 21. Kxe2 Ne5 22. Rb3 Bd4 23. Bh6 a5 24. fxg6 Qa6+ 25. Kd1 fxg6 26. Bxf8 Rxf8 27. Nf3 Ng4 28. Nxd4 Rf2 29. Qg3 cxd4 30. Re1 a4 31. Rf3 Rxf3 32. Qxf3 Qc4 33. Rg1 Ne3+ 34. Ke1 Qc3+ 35. Kf2 Qxc2+ 36. Kg3 Ng4 37. Rg2 Qb1 38. Qe2 Ne3 39. Rf2 Qxe4 40. Rf1 Nxf1+ 41. Qxf1 Qg4+ 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Barrantes, Pablo"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "79"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. e3 c6 5. Nf3 d5 6. Qc2 Be7 7. Bd3 0-0 8. 0-0 Qe8 9. Ne2 Ne4 10. Ne5 Nd7 11. f3 Nef6 12. cxd5 cxd5 13. Bb5 a6 14. Ba4 b5 15. Qc6 Nxe5 16. Qxa8 Nc6 17. Bxb5 axb5 18. b4 Nxb4 19. Bd2 Qd7 20. Rfc1 Bb7 21. Qa5 Bd6 22. Bxb4 Ra8 23. Qxa8+ Bxa8 24. Bxd6 Qxd6 25. Rc8+ Kf7 26. Rxa8 Nh5 27. Rb1 Qc6 28. Ra7+ Kg6 29. Rc1 Qd6 30. Rcc7 Qb4 31. Kf1 Qb1+ 32. Kf2 Qh1 33. Nf4+ Kh6 34. Nxh5 Kxh5 35. Rxg7 h6 36. Ra6 Qd1 37. Rxe6 Qd2+ 38. Kg3 Qe1+ 39. Kf4 Qh4+ 40. g4+ 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "15"]
[White "Charpentier Morales, William"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2300"]
[PlyCount "73"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[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. d3 Be7 5. c3 d6 6. Nbd2 0-0 7. Nf1 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Ng3 Nc6 12. 0-0 Re8 13. a4 Bd7 14. Bb3 Be6 15. Bxe6 fxe6 16. axb5 axb5 17. Rxa8 Qxa8 18. Ng5 Bf8 19. Nh5 Re7 20. f4 Nxh5 21. Qxh5 g6 22. Qh3 Qe8 23. f5 exf5 24. exf5 gxf5 25. Rxf5 Nd8 26. Ne4 Bg7 27. Bh6 Kh8 28. Bxg7+ Rxg7 29. Nxd6 Qe7 30. Ne4 Ne6 31. Rxe5 Rg6 32. Nxc5 Qa7 33. Rxe6 Qxc5+ 34. Qe3 Qxe3+ 35. Rxe3 Rd6 36. Kf2 Kg7 37. Ke2 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Hernandez Basante, Francisco"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2230"]
[PlyCount "73"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 b6 5. Nc3 Bb7 6. Bd2 g6 7. 0-0-0 Bg7 8. Bc4 Nge7 9. Nge2 a5 10. f4 a4 11. Nd5 Na5 12. Bd3 0-0 13. Bc3 Bxd5 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. exd5 c5 17. dxc6 dxc6 18. Qxa4 Qc7 19. f5 Nb7 20. Qh4 Rxa2 21. f6 Nd5 22. Nc3 Nxc3 23. bxc3 Qe5 24. Bc4 Raa8 25. Kb2 Nc5 26. Ra1 Rxa1 27. Rxa1 b5 28. Qd4 Na4+ 29. Rxa4 Qxd4 30. Bxf7+ Rxf7 31. Ra8+ Rf8 32. Rxf8+ Kxf8 33. cxd4 Kf7 34. Kc3 Kxf6 35. Kb4 Ke6 36. Kc5 Kd7 37. d5 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Jimenez Molina, Juan Leon"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2235"]
[PlyCount "137"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 c6 7. b3 d6 8. Bb2 Qe8 9. Nbd2 Ne4 10. Qc2 Qg6 11. Rae1 Bd7 12. Nxe4 fxe4 13. Nd2 d5 14. f3 e3 15. Qxg6 hxg6 16. Nb1 Bf6 17. Rd1 c5 18. f4 Bc6 19. Bh3 Kf7 20. Na3 Na6 21. Rf3 Rh8 22. Bg4 Nc7 23. Rxe3 g5 24. fxg5 Bxg5 25. Rf3+ Ke7 26. dxc5 dxc4 27. Nxc4 Bxf3 28. Bxf3 Bf6 29. Bxf6+ gxf6 30. Bxb7 Rad8 31. Rxd8 Rxd8 32. Kf2 Rd1 33. a4 Rb1 34. Na5 Kd7 35. Be4 Rc1 36. c6+ Ke7 37. h4 Rc5 38. Nc4 Rh5 39. Bf3 Rh8 40. b4 a6 41. Nb2 Rb8 42. Nd3 Kd6 43. g4 Nd5 44. Bxd5 exd5 45. Kf3 Kxc6 46. g5 fxg5 47. hxg5 Kd6 48. g6 Rg8 49. Nf4 Ke5 50. Kg4 Kf6 51. Nxd5+ Kg7 52. Kf5 Rb8 53. e4 Rf8+ 54. Ke5 Re8+ 55. Kd4 Kxg6 56. Kc5 Kg5 57. Nc7 Rxe4 58. Nxa6 Kf6 59. Kb6 Ke7 60. b5 Kd6 61. a5 Re8 62. Nc5 Rb8+ 63. Nb7+ Kd7 64. a6 Rh8 65. a7 Rh6+ 66. Ka5 Rh8 67. b6 Kc6 68. Ka6 Ra8 69. Na5+ 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Minero Pineda, Sergio"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2405"]
[PlyCount "59"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 e6 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. c4 c6 7. b3 d6 8. Bb2 Qe8 9. Nbd2 Nbd7 10. Qc2 Qg6 11. Rae1 Ne4 12. Nxe4 fxe4 13. Nd2 d5 14. f3 Bg5 15. e3 h5 16. fxe4 Nf6 17. h3 Bd7 18. Qb1 Bh6 19. e5 Ne4 20. Nxe4 Rxf1+ 21. Rxf1 dxe4 22. Kh2 Bxe3 23. Qxe4 Qxe4 24. Bxe4 Rd8 25. Rf3 Bg5 26. Ba3 Rc8 27. h4 Bh6 28. Bg6 b5 29. Bd6 a5 30. Rf7 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "13"]
[White "Ruiz, Carlos"]
[Black "Vargas, Oliverio"]
[Result "0-1"]
[ECO "C70"]
[PlyCount "108"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. 0-0 d6 7. d4 Bb7 8. dxe5 dxe5 9. Nxe5 Nxb3 10. axb3 Bd6 11. Nf3 Ne7 12. e5 Bc5 13. Qe2 0-0 14. c4 b4 15. Be3 Bxe3 16. Qxe3 Nf5 17. Qf4 Qd7 18. Nbd2 f6 19. e6 Qxe6 20. Rfe1 Qc8 21. Ne4 Ne7 22. Nc5 Ng6 23. Qg3 Bxf3 24. Qxf3 Ne5 25. Qd5+ Kh8 26. Qe6 a5 27. Qxc8 Rfxc8 28. f4 Nc6 29. Re6 Nd4 30. Re7 Re8 31. Rae1 Rxe7 32. Rxe7 Kg8 33. Rxc7 Ne2+ 34. Kf2 Nxf4 35. Kf3 Ng6 36. Kf2 Ne5 37. h3 h6 38. Na4 Re8 39. c5 Nd3+ 40. Kg1 h5 41. Rd7 Re1+ 42. Kh2 Ne5 43. Ra7 h4 44. Rxa5 Re2 45. Kg1 Nd3 46. Ra8+ Kf7 47. Rd8 Re1+ 48. Kh2 Nf4 49. Rd4 g5 50. c6 Nh5 51. g4 hxg3+ 52. Kg2 Nf4+ 53. Rxf4 gxf4 54. c7 f3+ 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "17"]
[White "Soto, Luis"]
[Black "Vargas, Oliverio"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "72"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 f5 5. cxd5 cxd5 6. Bf4 Nf6 7. e3 Nc6 8. Be2 Be7 9. 0-0 0-0 10. a3 Ne4 11. h3 g5 12. Bh2 g4 13. Nd2 gxh3 14. gxh3 Bd7 15. Ndxe4 fxe4 16. f4 Bh4 17. Kh1 Ne7 18. Rg1+ Kh8 19. Bh5 Nf5 20. Qe2 Qf6 21. Rg2 Rg8 22. Rag1 Rxg2 23. Rxg2 Rg8 24. Rxg8+ Kxg8 25. Qg2+ Qg7 26. Qxg7+ Kxg7 27. Bg1 Ng3+ 28. Kg2 Nxh5 29. Na2 Be1 30. Nc1 Ng3 31. Nb3 b6 32. Bf2 Bxf2 33. Kxf2 Nf5 34. Nd2 Kg6 35. b3 Kh5 36. Nf1 Kh4 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Vargas, Oliverio"]
[Black "Arias Formoso, Rodolfo"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "2180"]
[PlyCount "60"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. d4 Nh6 5. Bd3 Bf5 6. 0-0 0-0 7. c4 e6 8. Nc3 c5 9. cxd5 cxd4 10. exd4 exd5 11. Kh1 Re8 12. Bb5 Nc6 13. Ne5 Qh4 14. Be3 Ng4 15. Nxg4 Bxg4 16. Qc2 a6 17. Ba4 Rad8 18. Bb3 Qh5 19. Rae1 b5 20. Ne2 Bxe2 21. Rxe2 Nxd4 22. Ref2 Nf5 23. Rf3 Nd6 24. Bd4 Nc4 25. Qc3 b4 26. Qd3 Nxb2 27. Bxb2 Bxb2 28. f5 g5 29. Qxa6 g4 30. R3f2 g3 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Vargas, Oliverio"]
[Black "Bermudez Vives, Sergio"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "2220"]
[PlyCount "63"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 0-0 6. Be2 a5 7. b5 c5 8. a4 Bf5 9. 0-0 d4 10. exd4 Nd5 11. Ne5 cxd4 12. Nd3 Nd7 13. Na3 Rc8 14. g4 Be4 15. Bf3 Bxd3 16. cxd3 Nc5 17. Be2 Qd6 18. Nc4 Qc7 19. f5 Nf4 20. Rf3 b6 21. Qf1 Ncxd3 22. Bxd3 Nxd3 23. Qxd3 Qxc4 24. Qxc4 Rxc4 25. fxg6 hxg6 26. Rff1 e5 27. Rfc1 Rfc8 28. Kf1 d3 29. Rxc4 Rxc4 30. Bc3 Rxg4 31. Kf2 Rc4 32. Ke3 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Vargas, Oliverio"]
[Black "Gonzalez Acosta, Paul Jesus"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "102"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[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 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. f3 0-0 9. Qd2 Bd7 10. g4 Nxd4 11. Bxd4 Qa5 12. h4 b5 13. h5 Qb4 14. hxg6 fxg6 15. Nxb5 Qxd2+ 16. Kxd2 Bxb5 17. Bxb5 Nxe4+ 18. Kd3 Bxd4 19. Kxd4 Ng5 20. Rhf1 Nxf3+ 21. Ke3 Ne5 22. Be2 Rac8 23. c3 Nc4+ 24. Bxc4+ Rxc4 25. Rxf8+ Kxf8 26. Rg1 Kf7 27. g5 Rc5 28. b4 Rf5 29. Rg4 Rf1 30. a4 Rf5 31. Rh4 Ke6 32. Rg4 Kd7 33. c4 a6 34. Rg2 e5 35. c5 Rf4 36. cxd6 Kxd6 37. Rh2 Rxb4 38. Rxh7 Rxa4 39. Rg7 Ra3+ 40. Ke4 Ra4+ 41. Kd3 e4+ 42. Ke3 Ra5 43. Rg8 Rxg5 44. Kxe4 Ke6 45. Ke3 a5 46. Ra8 Rg4 47. Kf3 Ra4 48. Ra6+ Kf7 49. Ra8 Ra1 50. Ra6 a4 51. Ke2 a3 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "12"]
[White "Vargas, Oliverio"]
[Black "Minero Pineda, Carlos"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "2195"]
[PlyCount "80"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. d3 Nh6 5. g3 c5 6. Bg2 Nc6 7. 0-0 0-0 8. Na3 b6 9. c3 Bb7 10. Nc2 Qc7 11. d4 Rae8 12. Nce1 e6 13. Qc2 f6 14. b3 e5 15. dxc5 bxc5 16. Ba3 e4 17. Nd2 Ne7 18. h3 Nef5 19. Kf2 Nxe3 20. Kxe3 Nf5+ 21. Kf2 e3+ 22. Kg1 exd2 23. Qxd2 Nxg3 24. Bxd5+ Kh8 25. Rf3 Ne4 26. Qd3 Rd8 27. c4 f5 28. Rc1 Bd4+ 29. Kg2 Bxd5 30. cxd5 Qg7 31. Nc2 Bb2 32. Rb1 Bxa3 33. Nxa3 Qd4 34. Nb5 Qxd5 35. Rd1 Qa8 36. Qc2 Rxd1 37. Qxd1 Rd8 38. Qa1+ Kg8 39. Qe5 Qc6 40. a4 Nd2 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "14"]
[White "Vargas, Oliverio"]
[Black "Murillo Tsijli, Alexis"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "2365"]
[PlyCount "58"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bd2 0-0 13. Rc1 Bd7 14. Ng3 Rae8 15. Re1 Re7 16. Ne5 Be8 17. Bb1 Qb6 18. Bc3 Bxe5 19. dxe5 Ne4 20. Nxe4 dxe4 21. Bxe4 Qxf2+ 22. Kh1 Ref7 23. Rg1 Rf4 24. Qe1 Qb6 25. Bd2 Rxe4 26. Qxe4 Qxb2 27. Be3 Qxa2 28. Rcf1 Qb3 29. Rc1 Bg6 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Vargas, Oliverio"]
[Black "Rodriguez, Adrian"]
[Result "0-1"]
[ECO "B81"]
[BlackElo "2190"]
[PlyCount "70"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 Nc6 7. g5 Nd7 8. Ndb5 Nb6 9. Be3 Be7 10. f4 0-0 11. Qd2 a6 12. Na3 d5 13. 0-0-0 Bxa3 14. bxa3 Ne7 15. Qf2 Qc7 16. Bxb6 Qxc3 17. Rd3 Qa1+ 18. Kd2 Bd7 19. Rh3 Rfc8 20. Bd4 Qxa2 21. Bd3 dxe4 22. Qh4 e5 23. Qxh7+ Kf8 24. Bxe5 Bxh3 25. Qh8+ Ng8 26. Bxg7+ Ke7 27. Qxh3 exd3 28. Qxd3 Rd8 29. Re1+ Qe6 30. Rxe6+ fxe6 31. Bd4 Rxd4 32. Qxd4 Rd8 33. Qxd8+ Kxd8 34. Kd3 Ne7 35. h4 Ng6 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "?"]
[White "Vargas, Oliverio"]
[Black "Solano Lopez, Royner"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "81"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 e6 3. e3 Nf6 4. b3 b6 5. Bb2 Bb7 6. d3 Nbd7 7. Be2 c5 8. 0-0 Qc7 9. a4 Bd6 10. d4 Ne4 11. Na3 a6 12. c4 0-0 13. Qe1 f6 14. Qh4 Rae8 15. Bd3 h6 16. Rac1 f5 17. cxd5 exd5 18. Qh5 Bc8 19. Nh4 Ndf6 20. Qe2 Qf7 21. Bxa6 Bxa6 22. Qxa6 Qh5 23. Nf3 Ng4 24. Qd3 c4 25. bxc4 g5 26. c5 gxf4 27. cxd6 fxe3 28. Rc2 Re6 29. d7 Nef2 30. Qe2 Rg6 31. Rc8 Nh3+ 32. Kh1 Ngf2+ 33. Rxf2 Nxf2+ 34. Kg1 Rd6 35. Rxf8+ Kxf8 36. Nb5 Rxd7 37. Qxe3 Ne4 38. Ba3+ Kg8 39. Qc1 Qf7 40. Ne5 Qh5 41. Nxd7 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1996.??.??"]
[Round "10"]
[White "Vargas, Oliverio"]
[Black "Valdes Romero, Leonardo"]
[Result "0-1"]
[ECO "B09"]
[BlackElo "2180"]
[PlyCount "74"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "CRI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Bd2 0-0 9. Qe2 Bg4 10. h3 Bxf3 11. Qxf3 Nc6 12. Be3 Qa5 13. 0-0 Nd7 14. Kh1 Bxc3 15. bxc3 Qxc3 16. Rab1 Nc5 17. Bxc5 dxc5 18. Rxb7 c4 19. Be2 Qxc2 20. Qe3 Qxa2 21. Rc1 Qa6 22. Rbb1 Rab8 23. Bxc4 Qa4 24. Ra1 Qb4 25. Bd5 Qd4 26. Qxd4 Nxd4 27. Rxa7 e6 28. Ba2 Ra8 29. Rcc7 Rxa7 30. Rxa7 Rc8 31. Rd7 Ne2 32. f5 exf5 33. exf5 Ng3+ 34. Kh2 Nxf5 35. Rd2 Rc1 36. Bb3 Ne3 37. Ba4 Nf1+ 0-1

[Event "Carlos Torre Memorial op 07th"]
[Site "Merida"]
[Date "1994.??.??"]
[Round "6"]
[White "Vargas, Oliverio"]
[Black "Suarez P, Santiago"]
[Result "0-1"]
[ECO "B60"]
[BlackElo "2130"]
[PlyCount "94"]
[EventDate "1994.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Bxf6 gxf6 8. Nxc6 bxc6 9. Bc4 Qa5 10. 0-0 h5 11. Qd3 Rg8 12. f4 Rb8 13. Bb3 h4 14. f5 Bh6 15. Rad1 Qc5+ 16. Kh1 Qe3 17. Qxe3 Bxe3 18. Rd3 Bg5 19. Rfd1 Rg7 20. Ne2 Rb5 21. c4 Re5 22. Nc3 Kd8 23. Bc2 Kc7 24. b4 Bc8 25. a4 Bh6 26. b5 Bb7 27. a5 Rg4 28. Rf3 cxb5 29. cxb5 Rc5 30. Bb1 Rf4 31. b6+ axb6 32. axb6+ Kb8 33. Nd5 Bxd5 34. exd5 Rxf3 35. gxf3 h3 36. Be4 Rb5 37. Rb1 Ra5 38. Rb2 Be3 39. Rb1 Ra2 40. Bd3 Bf4 41. Bf1 Rxh2+ 42. Kg1 Rd2 43. Bxh3 Rxd5 44. Kf2 Rd2+ 45. Ke1 Ra2 46. Bg4 Kb7 47. Bh5 Rh2 0-1

[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.22"]
[Round "7"]
[White "Vargas, Oliverio"]
[Black "Skalli, Kamel"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "117"]
[EventDate "1986.11.15"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "UAE"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica"]
[BlackTeam "Morocco"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "MAR"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. Nbd2 Nxd2 9. Bxd2 Bg4 10. c3 0-0 11. Re1 Bd6 12. h3 Bh5 13. g4 Bg6 14. Bg5 Qd7 15. Ne5 Nxe5 16. dxe5 Bc5 17. b4 Bb6 18. c4 c6 19. cxd5 cxd5 20. Bc4 Qc7 21. Qxd5 Kh8 22. Rac1 f6 23. exf6 Qg3+ 24. Qg2 Bxf2+ 25. Kh1 Bxe1 26. fxg7+ Kxg7 27. Qb2+ Bc3 28. Qxc3+ Qxc3 29. Rxc3 Rf2 30. Bd5 Rc2 31. Re3 Re8 32. Rxe8 Bxe8 33. Bxb7 Rxa2 34. Be7 Bf7 35. Bc5 Bc4 36. Kg1 a6 37. Bd4+ Kg8 38. Bc5 Rb2 39. Bc8 Ra2 40. Bf5 Bd5 41. Bd6 Rg2+ 42. Kf1 Rb2 43. h4 h6 44. Bc8 Rc2 45. Bf5 Rc6 46. Bf4 Be6 47. Ke2 Bxf5 48. gxf5 Rc4 49. Bxh6 Rxb4 50. Bg5 Rb5 51. f6 a5 52. Kd3 a4 53. Bc1 Kf7 54. Kc2 Kxf6 55. Bg5+ Kg6 56. Bc1 Kh5 57. Bg5 a3 58. Bf6 a2 59. Ba1 0-1

[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.17"]
[Round "3"]
[White "Moussa, Alaa Eddine"]
[Black "Vargas, Oliverio"]
[Result "1-0"]
[ECO "A83"]
[PlyCount "61"]
[EventDate "1986.11.15"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "UAE"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]
[WhiteTeam "Palestine"]
[BlackTeam "Costa Rica"]
[WhiteTeamCountry "PLE"]
[BlackTeamCountry "CRI"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3 Bg7 6. fxe4 d6 7. Bc4 Nxe4 8. Nxe4 d5 9. Bb3 dxe4 10. Ne2 Nc6 11. 0-0 Bf5 12. Rxf5 gxf5 13. c3 Qd6 14. Nf4 0-0-0 15. Ne6 Na5 16. Nxg7 Nxb3 17. Nxf5 Qe6 18. Nxe7+ Kb8 19. Qxb3 Qxb3 20. axb3 Rd7 21. Re1 h6 22. Bh4 Re8 23. Rxe4 Rf8 24. h3 a6 25. Ng6 Rg8 26. Ne5 Rdg7 27. g4 Ka7 28. Rf4 Kb6 29. Rf6+ Ka7 30. Rxh6 Ka8 31. Bf6 1-0

