[Event "Buenos Aires BCA op"]
[Site "Buenos Aires"]
[Date "1988.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Spangenberg, Hugo"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "2375"]
[PlyCount "168"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 d6 5. c3 Bg4 6. h3 Bh5 7. Nbd2 c6 8. Bb3 Nbd7 9. Nf1 Bg6 10. Ng3 0-0 11. 0-0 Re8 12. Nh2 d5 13. Qf3 Bf8 14. Bg5 Qb6 15. Rad1 a5 16. Bc1 Nc5 17. Bc2 Rad8 18. Nf5 dxe4 19. dxe4 Ne6 20. g4 Nf4 21. Bb3 Qa6 22. Bxf4 exf4 23. Rxd8 Rxd8 24. Qxf4 a4 25. Bc2 Qe2 26. Bxa4 Qxb2 27. Bb3 Qxc3 28. Nf3 Qb4 29. Ng3 Bd6 30. Qg5 Bxg3 31. fxg3 Qxe4 32. Nh4 Qd4+ 33. Kh2 Qb2+ 34. Kg1 Qd4+ 35. Kh2 Qd2+ 36. Qxd2 Rxd2+ 37. Kg1 Nd5 38. Nxg6 hxg6 39. Re1 Kf8 40. Re4 f6 41. Ra4 Re2 42. Ra8+ Re8 43. Ra7 Re7 44. Kf2 Kf7 45. Ra8 Ke6 46. Rd8 Ke5 47. Ke2 Ke4 48. Bc2+ Kd4+ 49. Kd2 g5 50. Bb3 Ke4 51. Ke2 Kd4+ 52. Kd2 Kc5 53. Bxd5 cxd5 54. Kd3 Kc6 55. Rc8+ Rc7 56. Rd8 Kc5 57. h4 gxh4 58. gxh4 b5 59. g5 fxg5 60. hxg5 Ra7 61. Rc8+ Kb4 62. Rc2 Ra3+ 63. Kd4 Rg3 64. Rb2+ Ka4 65. Kc5 Rc3+ 66. Kd4 Rc4+ 67. Kxd5 Rg4 68. Rf2 Rxg5+ 69. Kd4 Rg4+ 70. Kc3 Ka3 71. Rf5 b4+ 72. Kc2 Rg2+ 73. Kb1 Rb2+ 74. Kc1 Rxa2 75. Ra5+ Kb3 76. Rg5 Ra1+ 77. Kd2 Kb2 78. Rxg7 Ra8 79. Rb7 b3 80. Rb6 Rd8+ 81. Ke2 Kc2 82. Rc6+ Kb1 83. Ra6 b2 84. Ra7 Rd5 0-1

[Event "Buenos Aires BCA op"]
[Site "Buenos Aires"]
[Date "1988.??.??"]
[Round "?"]
[White "Ricardi, Pablo"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2415"]
[BlackElo "2375"]
[PlyCount "64"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. f3 Bg6 8. Ne2 e6 9. Nf4 Qa5+ 10. Bd2 Bb4 11. h4 e5 12. dxe5 Bxd2+ 13. Qxd2 Qxe5 14. g4 f6 15. Rd1 0-0 16. Nxg6 Qg3+ 17. Qf2 Qxf2+ 18. Kxf2 hxg6 19. Bc4+ Kh7 20. h5 g5 21. Bd3+ Kh6 22. Bf5 Na6 23. Rd6 Nc5 24. Rc1 Na4 25. Rd7 Rab8 26. f4 gxf4 27. exf4 Rfd8 28. Rcd1 Rxd7 29. Rxd7 Nb6 30. Rd6 Nd5 31. Kg3 Ne3 32. Bg6 Nc4 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Alisievicz"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2385"]
[PlyCount "63"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 c5 5. c3 b6 6. Nbd2 0-0 7. a4 Ba6 8. Bb5 Bb7 9. 0-0 d5 10. Be2 Nc6 11. Ne5 Nd7 12. Nxd7 Qxd7 13. Nf3 c4 14. Nd2 Na5 15. b3 Rac8 16. bxc4 dxc4 17. Bf3 e5 18. Bxb7 Qxb7 19. Bxe5 Bxe5 20. dxe5 Rfd8 21. Qc2 Qd5 22. Nf3 Nc6 23. Rfd1 Qa5 24. Qe4 Qxc3 25. Rac1 Qb3 26. e6 f5 27. Qh4 c3 28. Ng5 h5 29. Nf7 c2 30. Rxd8+ Rxd8 31. Nxd8 Nxd8 32. e7 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Biaggi, Eduardo Gustavo"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2385"]
[PlyCount "85"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. e4 Bg7 4. Nc3 Nd7 5. Nf3 e5 6. Be2 Nh6 7. h4 f6 8. h5 Nf7 9. Be3 c6 10. Qc2 Bh6 11. Bxh6 Nxh6 12. hxg6 hxg6 13. 0-0-0 Qe7 14. Qd2 Qg7 15. c5 exd4 16. Nxd4 Nxc5 17. Nxc6 bxc6 18. Qxd6 Nd7 19. Qxc6 Rb8 20. Bc4 Qe7 21. Be6 Kd8 22. Rd6 Rb6 23. Rxd7+ Qxd7 24. Bxd7 Rxc6 25. Bxc6 Ke7 26. Bd5 Bd7 27. Kd2 g5 28. b4 Kd6 29. a4 f5 30. Rh5 fxe4 31. Rxg5 Nf5 32. g4 e3+ 33. fxe3 Rh2+ 34. Kd3 Ne7 35. e4 Kc7 36. Rg7 Nxd5 37. Nxd5+ Kd6 38. b5 Ra2 39. Nc3 Ra3 40. e5+ Ke6 41. Kd4 a5 42. bxa6 Bxa4 43. Ne4 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Gonzalez Gastellu, RO."]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "2385"]
[PlyCount "26"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 e5 2. e4 Bc5 3. Nf3 d6 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. Nc3 0-0 8. Be2 Bg4 9. Be3 Nxe4 10. Nxe4 Re8 11. Qd3 Bf5 12. Ne5 dxe5 13. fxe5 Qh4+ 0-1

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Szafranek, Jorge H"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2385"]
[PlyCount "35"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 c6 7. Bd3 Nbd7 8. 0-0 b6 9. cxd5 exd5 10. Ne5 Bb7 11. Qf3 c5 12. Rad1 cxd4 13. exd4 Re8 14. Qh3 Nf8 15. Bb5 Bc8 16. Qf3 Bd7 17. Nxd7 N8xd7 18. Nxd5 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Szmetan, Jorge"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2385"]
[BlackElo "2405"]
[PlyCount "87"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. b3 Bg7 7. Bb2 0-0 8. g3 Nxa6 9. Bg2 Bb7 10. e4 e6 11. Ne2 exd5 12. exd5 Nb4 13. 0-0 Nxa2 14. Qc2 Nb4 15. Qxc5 Nd3 16. Qc2 Nxb2 17. Qxb2 Bxd5 18. Bxd5 Nxd5 19. Rxa8 Qxa8 20. Qd2 Rb8 21. Qd3 Qb7 22. Nd2 Nb4 23. Qd6 Re8 24. Nd4 Nd5 25. Qc5 Rb8 26. N2f3 Rc8 27. Qb5 Qxb5 28. Nxb5 Rb8 29. Nfd4 Bxd4 30. Nxd4 Rb4 31. Rd1 Nc3 32. Rd3 Rxd4 33. Rxc3 Kf8 34. Rc1 Rb4 35. Rb1 d5 36. Kf1 Ke7 37. Ke2 Kd6 38. Kd3 d4 39. Ke4 f5+ 40. Kd3 Kd5 41. f4 h5 42. Rb2 Kc5 43. Rc2+ Kd5 44. Rb2 1/2-1/2

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Tovillas, Daniel R"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2385"]
[PlyCount "64"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 c5 7. c3 b6 8. 0-0 Bb7 9. Nbd2 Nbd7 10. a4 a6 11. Re1 Qc7 12. Bh2 Ne4 13. Nxe4 Bxe4 14. Nd2 Bb7 15. Rc1 Rac8 16. Bd3 e5 17. dxe5 Nxe5 18. Bf1 Qc6 19. Bxe5 dxe5 20. Qb3 Rce8 21. Rcd1 Re6 22. e4 Bh6 23. Bc4 Bxd2 24. Rxd2 Rd6 25. Rxd6 Qxd6 26. Rd1 Qf6 27. Bd5 Bc8 28. Rd3 Kg7 29. Rf3 Qd6 30. Rxf7+ Rxf7 31. Bxf7 Qd2 32. Bc4 Be6 1/2-1/2

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "Grushka, Carlos"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "D11"]
[BlackElo "2385"]
[PlyCount "97"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 d5 3. Nf3 Bf5 4. Bg2 e6 5. c4 c6 6. 0-0 Nbd7 7. Nc3 h6 8. Nd2 Be7 9. e4 dxe4 10. Ndxe4 0-0 11. Re1 Nxe4 12. Nxe4 Nf6 13. Nc3 Qb6 14. Na4 Qb4 15. b3 Rad8 16. Bb2 Qa5 17. Re5 Qc7 18. Qe1 Ng4 19. Re2 b5 20. Nc5 bxc4 21. bxc4 Nf6 22. Rc1 Nd7 23. Nb3 Bg5 24. f4 Bf6 25. Qa5 Qb6 26. Qxb6 Nxb6 27. Rf2 Rc8 28. Na5 c5 29. d5 Bxb2 30. Rxb2 Rc7 31. Nc6 exd5 32. cxd5 c4 33. d6 Rxc6 34. Bxc6 Rd8 35. Rd2 Bd3 36. d7 Kf8 37. a4 a5 38. Bb5 f5 39. Kf2 Ke7 40. Re1+ Be4 41. Bc6 c3 42. Rc2 Kd6 43. Bxe4 fxe4 44. Rxc3 Nxa4 45. Rd1+ Ke6 46. Rc4 Nb2 47. Rxe4+ Kf5 48. Re5+ Kf6 49. Rd4 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "Schaetzle, Mario"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "C73"]
[BlackElo "2385"]
[PlyCount "25"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[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 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 exd4 7. Nxd4 Bd7 8. Nc3 Nf6 9. Qf3 c5 10. Nf5 g6 11. Nh6 Rb8 12. Bg5 Bxh6 13. Bxf6 1-0

[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1981.??.??"]
[Round "?"]
[White "Schweber, Samuel"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2425"]
[BlackElo "2385"]
[PlyCount "51"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Bb3 Bd7 10. g4 Rc8 11. Qd2 Ne5 12. 0-0-0 b5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qa5 16. Qe3 Rc8 17. Ne2 Be6 18. Kd2 b4 19. Ke1 bxc3 20. Nd4 Qc5 21. h3 Bxb3 22. axb3 Nc6 23. Rh2 e5 24. Nf5 gxf5 25. Qg5+ Kf8 26. Qxf6 0-1

[Event "Buenos Aires Banco de la Ciudad 2nd"]
[Site "Buenos Aires"]
[Date "1979.??.??"]
[Round "7"]
[White "De la Vega, Hector"]
[Black "Gastellu, Frederico"]
[Result "1-0"]
[ECO "E96"]
[WhiteElo "2385"]
[PlyCount "75"]
[EventDate "1979.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Re1 c6 9. Bf1 Re8 10. Rb1 exd4 11. Nxd4 Nc5 12. f3 a5 13. Be3 Nfd7 14. Qd2 Nb6 15. Rbd1 Qe7 16. Nb3 Nba4 17. Nxa4 Nxa4 18. Bd4 Bxd4+ 19. Nxd4 Qe5 20. b3 Nb6 21. f4 Qc5 22. Kh1 Bg4 23. Rc1 Bd7 24. Re3 Rad8 25. Rce1 Qb4 26. Qb2 d5 27. cxd5 cxd5 28. a3 Qf8 29. e5 Rc8 30. Bd3 Qc5 31. Rg3 f6 32. Bxg6 hxg6 33. Rxg6+ Kh7 34. Rxf6 Re7 35. e6 Qc3 36. Qf2 Be8 37. Qh4+ Kg8 38. Rf8+ 1-0

[Event "Buenos Aires Banco de la Ciudad 2nd"]
[Site "Buenos Aires"]
[Date "1979.??.??"]
[Round "5"]
[White "De la Vega, Hector"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2385"]
[BlackElo "2515"]
[PlyCount "53"]
[EventDate "1979.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. f4 Bg7 7. c3 Ne7 8. Nd2 d6 9. N2f3 e5 10. Nb3 Nbc6 11. 0-0 0-0 12. Kh1 h6 13. Qe1 exf4 14. Bxf4 Ne5 15. Be2 g5 16. Nxe5 dxe5 17. Be3 Qc7 18. Bc5 b6 19. Bxe7 Qxe7 20. Bc4 Be6 21. Qe2 a5 22. a4 Rac8 23. Nd2 Rfd8 24. Bxe6 Qxe6 25. Rfc1 Qf6 26. Re1 Rd7 27. Nf1 1/2-1/2

[Event "Buenos Aires Banco de la Ciudad 2nd"]
[Site "Buenos Aires"]
[Date "1979.??.??"]
[Round "4"]
[White "De la Vega, Hector"]
[Black "Poch, Cesar Guillermo"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2385"]
[BlackElo "2375"]
[PlyCount "65"]
[EventDate "1979.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 g6 2. e4 e5 3. d4 exd4 4. Qxd4 Qf6 5. Nf3 Qxd4 6. Nxd4 Bg7 7. Nb5 Na6 8. N1c3 Ne7 9. Bg5 h6 10. Be3 d6 11. 0-0-0 0-0 12. Bd3 Be6 13. Bd4 Bxd4 14. Nxd4 Nc5 15. Nd5 Bxd5 16. exd5 c6 17. dxc6 Nxc6 18. Nxc6 bxc6 19. Bc2 Rfd8 20. Rhe1 Kf8 21. b4 Na6 22. a3 Nc7 23. Ba4 c5 24. Bc6 Rab8 25. b5 Ne6 26. Re3 Nd4 27. Bd5 Rd7 28. a4 Re7 29. Rxe7 Kxe7 30. Rxd4 cxd4 31. a5 Kd7 32. Kd2 Kc7 33. b6+ 1-0

[Event "Buenos Aires Banco de la Ciudad 2nd"]
[Site "Buenos Aires"]
[Date "1979.??.??"]
[Round "9"]
[White "De la Vega, Hector"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2385"]
[BlackElo "2410"]
[PlyCount "123"]
[EventDate "1979.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 c6 4. Qc2 Nd7 5. d4 Ngf6 6. Bg2 Bb4+ 7. Nbd2 0-0 8. 0-0 a5 9. e4 Be7 10. Rd1 Qb6 11. b3 a4 12. Rb1 axb3 13. axb3 dxe4 14. Nxe4 Nxe4 15. Qxe4 Ra2 16. Be3 Nf6 17. Qd3 Qa5 18. h3 Rd8 19. Bd2 Qh5 20. g4 Qg6 21. Qxg6 hxg6 22. Ra1 Rb2 23. Rdb1 Rxb1+ 24. Rxb1 Nd7 25. Be3 f6 26. Ra1 Kf7 27. Bf1 g5 28. c5 Nf8 29. b4 Ng6 30. b5 cxb5 31. Bxb5 Bd7 32. Bxd7 Rxd7 33. Ra7 Ke8 34. Ra8+ Rd8 35. Ra7 Rb8 36. Nd2 Kd7 37. Nc4 Bd8 38. Bd2 Ne7 39. f4 gxf4 40. Bxf4 Bc7 41. Bxc7 Kxc7 42. Nd6 Nc8 43. Nxc8 Rxc8 44. Kf2 Kc6 45. Ra4 Kd5 46. Rb4 Rc7 47. Ke3 e5 48. dxe5 Kxe5 49. g5 fxg5 50. Rg4 Kf5 51. Rb4 Ke5 52. Rg4 Kf5 53. Rb4 Re7+ 54. Kf3 Rf7 55. Rb6 Rc7 56. Rb5 Rf7 57. Ke3 Ke6 58. Ke4 Rf4+ 59. Ke3 Rh4 60. Rxb7 Rxh3+ 61. Ke4 Rh4+ 62. Kd3 1/2-1/2

[Event "Buenos Aires Banco de la Ciudad 2nd"]
[Site "Buenos Aires"]
[Date "1979.??.??"]
[Round "8"]
[White "Debarnot, Roberto Luis"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2425"]
[BlackElo "2385"]
[PlyCount "192"]
[EventDate "1979.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. g3 Be7 7. Bg2 Nb6 8. 0-0 0-0 9. a3 a5 10. Be3 Bg4 11. Rc1 Kh8 12. Na4 Nxa4 13. Qxa4 Bd7 14. Qc2 Be6 15. Bc5 f6 16. Rfd1 a4 17. Bxe7 Qxe7 18. Qc5 Qf7 19. Qe3 Na5 20. d4 Nb3 21. d5 Nxc1 22. dxe6 Nxe2+ 23. Qxe2 Qxe6 24. Nh4 c6 25. f4 Rad8 26. Re1 Qd7 27. fxe5 Qd4+ 28. Kh1 Qxe5 29. Qxe5 fxe5 30. Nf3 Rfe8 31. Kg1 Kg8 32. Re2 e4 33. Ng5 e3 34. Bh3 Rd2 35. Bf1 Re5 36. Nf3 Rxe2 37. Bxe2 Rc5 38. Nd4 Rc1+ 39. Kg2 Rb1 40. Kf3 Rxb2 41. Kxe3 Kf7 42. h4 Kf6 43. Bd3 h6 44. g4 Ra2 45. Nc2 Ke5 46. g5 Rb2 47. gxh6 gxh6 48. h5 Rb3 49. Kd2 b5 50. Bg6 Rh3 51. Be8 Kd6 52. Bg6 Kc5 53. Be8 Kb6 54. Ne3 c5 55. Nd5+ Ka5 56. Nc3 Rh2+ 57. Kc1 b4 58. axb4+ Kxb4 59. Nxa4 Re2 60. Bd7 Re5 61. Nb2 Rxh5 62. Bc6 Rh2 63. Nd3+ Kc4 64. Ne5+ Kc3 65. Ng4 Re2 66. Kd1 Rd2+ 67. Ke1 Rd6 68. Bf3 c4 69. Ne3 Kd3 70. Kf2 Rf6 71. Nd5 Rf8 72. Nb4+ Kd2 73. Kg3 c3 74. Be4 Rb8 75. Nc2 Rb6 76. Na3 Rb3 77. Nc4+ Ke2 78. Kf4 c2 79. Bxc2 Rb4 80. Bb3 Rxb3 81. Nd6 Rb4+ 82. Kg3 Rb6 83. Nf7 Ke3 84. Kg4 Rf6 85. Ne5 Ke4 86. Nc4 Rf2 87. Nd6+ Ke5 88. Nc4+ Kf6 89. Ne3 Kg6 90. Nd5 Rg2+ 91. Kh4 Rh2+ 92. Kg3 Ra2 93. Kh4 Ra5 94. Kg3 Ra4 95. Nf4+ Kf5 96. Ne2 Kg5 0-1

[Event "Buenos Aires Banco de la Ciudad 2nd"]
[Site "Buenos Aires"]
[Date "1979.??.??"]
[Round "6"]
[White "Kiefer, Gerhard"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "D36"]
[BlackElo "2385"]
[PlyCount "49"]
[EventDate "1979.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 e6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Na6 7. a3 Nc7 8. e3 Ne6 9. Bh4 Be7 10. Bd3 g6 11. Nf3 Ng7 12. 0-0 Bf5 13. Bxf5 Nxf5 14. Bxf6 Bxf6 15. Na4 0-0 16. Rab1 Re8 17. Nc5 Nd6 18. Nd2 Re7 19. a4 a5 20. Nd3 Qc8 21. Qc5 Qd8 22. Rfc1 Re8 23. Qc3 Qe7 24. Qb3 Kg7 25. Nc5 1/2-1/2

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.18"]
[Round "15"]
[White "Foguelman, Alberto"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "E05"]
[BlackElo "2370"]
[PlyCount "64"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Nbd2 Bc6 10. Nxc4 Be4 11. Qd2 Nc6 12. Nce5 Qd5 13. Nxc6 bxc6 14. Rd1 Rfd8 15. Ne1 Bxg2 16. Nxg2 c5 17. Qa5 cxd4 18. Qxc7 Bd6 19. Qc2 e5 20. Bg5 Rdc8 21. Qf5 Ne4 22. Nf4 Qb7 23. Nd3 Nxg5 24. Qxg5 e4 25. Ne1 h6 26. Qd2 Rc4 27. Nc2 Be5 28. Qa5 Rxc2 29. Qxe5 Rxe2 30. Qxd4 e3 31. Qd5 exf2+ 32. Kf1 Re1+ 0-1

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.15"]
[Round "14"]
[White "De la Vega, Hector"]
[Black "Link, Hugo E"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2370"]
[PlyCount "119"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 f5 6. e3 Nf6 7. Nge2 0-0 8. Rb1 d6 9. 0-0 g5 10. f4 Bh6 11. Nd5 Ne7 12. Nxf6+ Rxf6 13. fxg5 Bxg5 14. e4 Bxc1 15. Qxc1 c6 16. exf5 Rxf5 17. Qh6 Ng6 18. Nc3 Qf8 19. Qe3 Qe7 20. b4 a6 21. a4 Be6 22. b5 axb5 23. axb5 Rxf1+ 24. Rxf1 Ra3 25. Nb1 Ra1 26. bxc6 bxc6 27. Bxc6 Bh3 28. Bd5+ Kg7 29. Re1 Qc7 30. Nd2 Rxe1+ 31. Qxe1 Qa7+ 32. Qf2 Qa4 33. Nf1 Qd1 34. Qf7+ Kh6 35. Qf3 Qxf1+ 36. Qxf1 Bxf1 37. Kxf1 Nf8 38. Kf2 Kg5 39. Bf3 Nd7 40. Be4 h6 41. h4+ Kf6 42. g4 Nc5 43. Ke3 Ne6 44. Kd2 Ke7 45. Kc3 Kd8 46. Kb4 Ke7 47. Kb5 Nd4+ 48. Kb6 Ne6 49. Kb7 Kd8 50. Kc6 Ke7 51. Bf5 Nd4+ 52. Kd5 h5 53. Bc8 Nf3 54. gxh5 Nxh4 55. h6 Ng6 56. Bf5 Nh8 57. h7 Nf7 58. Bg6 Nh8 59. Bh5 Kd7 60. c5 1-0

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.14"]
[Round "13"]
[White "Campora, Daniel Hugo"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C77"]
[BlackElo "2370"]
[PlyCount "78"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 dxc6 6. d3 Bd6 7. Nbd2 Bg4 8. h3 Be6 9. b3 Nd7 10. Bb2 Qe7 11. Qe2 f6 12. 0-0 g5 13. d4 h5 14. Nc4 g4 15. Nh4 Rg8 16. Nf5 Bxf5 17. exf5 exd4 18. Rfe1 Qxe2 19. Rxe2+ Kf7 20. hxg4 Rxg4 21. f3 Rf4 22. Nxd6+ cxd6 23. Re6 Ne5 24. Rxd6 Rg8 25. Kf2 c5 26. Rb6 Rxf5 27. Rxb7+ Ke6 28. Re1 Kd6 29. Bc1 Kc6 30. Ra7 d3 31. Rd1 Kb6 32. Re7 Ng4+ 33. Kg1 Rxf3 34. gxf3 Ne3+ 35. Kh2 Nxd1 36. cxd3 Rd8 37. Re6+ Kb7 38. Rxf6 Rxd3 39. Kg3 Nc3 1/2-1/2

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.11"]
[Round "11"]
[White "Gimenez, Victor"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C68"]
[BlackElo "2370"]
[PlyCount "162"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. h3 Ne7 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Nc3 0-0-0 10. Be3 Ng6 11. 0-0-0 Bb4 12. Nde2 Rde8 13. a3 Bd6 14. f4 f6 15. Rhf1 h5 16. Kb1 c5 17. f5 Ne5 18. Nf4 b5 19. Bc1 Kb7 20. h4 c4 21. Nce2 Reg8 22. Nd5 Be8 23. Nef4 Bf7 24. Nc3 Re8 25. Nfd5 Rd8 26. Bf4 Rhe8 27. g3 c6 28. Bxe5 Bxe5 29. Nf4 Kc7 30. Nce2 Rxd1+ 31. Rxd1 Bd6 32. Nc3 a5 33. Re1 b4 34. axb4 axb4 35. Nd1 Be5 36. c3 c5 37. Kc2 Kc6 38. Nf2 Ra8 39. Rb1 Ra2 40. Nd1 Kd6 41. Ne2 Kc6 42. Ne3 Ra7 43. Rg1 Rd7 44. Nf4 Ra7 45. Nfd5 bxc3 46. Nxc3 Bd4 47. Re1 Ra8 48. Ned1 Ra1 49. Re2 Kd6 50. Nb1 Be8 51. Ndc3 Bf7 52. Nd1 g6 53. fxg6 Bxg6 54. Nd2 Bf7 55. Ne3 Rg1 56. Nf5+ Kc6 57. Nf3 Rf1 58. N5xd4+ cxd4 59. Nxd4+ Kc5 60. Kc3 Rc1+ 61. Nc2 Rd1 62. Re3 Bg6 63. b4+ cxb3 64. Kxb3 Kd6 65. Na3 Ke5 66. Kc3 Bxe4 67. Nc4+ Kf5 68. Nd2 Bh1 69. Kd3 Rg1 70. Ke2 Kg4 71. Nf1 Rg2+ 72. Ke1 Ra2 73. Rc3 Bg2 74. Nd2 f5 75. Nc4 f4 76. Ne5+ Kf5 77. gxf4 Kxf4 78. Nd3+ Kg4 79. Rc4+ Kg3 80. Nc1 Rb2 81. Ne2+ Kh2 1/2-1/2

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.10"]
[Round "10"]
[White "De la Vega, Hector"]
[Black "Dubin, Jorge"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2370"]
[PlyCount "82"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bf4 d6 10. Qd2 h6 11. Rfd1 Nd7 12. Rac1 f5 13. Ne1 Qe8 14. Qc3 g5 15. Bd2 Qg6 16. Qb3 Nf6 17. c5 Bd5 18. Bxd5 Nxd5 19. cxd6 cxd6 20. Nd3 Rf7 21. Nb4 Nxb4 22. Bxb4 f4 23. Qd3 Qh5 24. d5 e5 25. Rc4 Raf8 26. f3 g4 27. fxg4 Qxg4 28. Rf1 Rg7 29. Kg2 h5 30. Be1 Qg5 31. Rf3 h4 32. Bf2 hxg3 33. hxg3 Qh5 34. Rc1 Rh7 35. gxf4 Qh2+ 36. Kf1 Qh1+ 37. Bg1 Rg7 38. Qe3 Rxf4 39. Rc8+ Bf8 40. Rxf4 exf4 41. Qe6+ Kh7 1/2-1/2

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.07"]
[Round "9"]
[White "Bazan, Osvaldo"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2290"]
[BlackElo "2370"]
[PlyCount "113"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 c5 7. d3 Nc6 8. Nbd2 Qc7 9. e4 d4 10. a3 Ne8 11. Rc1 Bg4 12. h3 Bd7 13. c3 dxc3 14. Bxc3 Qd6 15. Nc4 Qb8 16. Ne3 b6 17. d4 cxd4 18. Nxd4 Nxd4 19. Bxd4 Bb5 20. Re1 Qd8 21. e5 Rc8 22. Rxc8 Qxc8 23. Nd5 Qd8 24. a4 Bd7 25. a5 Nc7 26. Nxc7 Qxc7 27. axb6 axb6 28. Bxb6 Qxb6 29. Qxd7 Qxb3 30. Qxe7 Qc3 31. Re3 Qc1+ 32. Kh2 Qd2 33. e6 fxe6 34. Qxe6+ Kh8 35. Re2 Qd4 36. f4 Qf6 37. Qd7 Qd4 38. Qe6 Qf6 39. Qb3 Qd4 40. Re4 Qf6 41. h4 Qd6 42. Re6 Qc5 43. Qb7 Qd4 44. Kh3 Bf6 45. Be4 Qd1 46. Rc6 Qf1+ 47. Bg2 Qa1 48. Ra6 Qd4 49. h5 Qd1 50. Bf3 Qf1+ 51. Bg2 Qe2 52. Ra5 Qe6+ 53. Kh2 Rf7 54. Qb5 Re7 55. Ra6 Qe3 56. Rxf6 Kg7 57. Qb2 1-0

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.06"]
[Round "8"]
[White "De la Vega, Hector"]
[Black "Amado, Claudio"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2370"]
[PlyCount "77"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c5 4. cxd5 exd5 5. Nc3 Nc6 6. e3 Nf6 7. Be2 cxd4 8. Nxd4 Bd6 9. 0-0 0-0 10. a3 Re8 11. Nf3 Bg4 12. Nb5 Bb8 13. b4 Ne4 14. Bb2 Re6 15. Nbd4 Rh6 16. g3 Qd7 17. Re1 Bxf3 18. Nxf3 Qf5 19. Bf1 Be5 20. Bd4 Rf6 21. Bg2 h6 22. Re2 Bxd4 23. Nxd4 Qh5 24. Rc2 Qe5 25. Nf3 Qh5 26. Rac1 Rd8 27. Nd4 Qe5 28. Nxc6 bxc6 29. Bxe4 Qxe4 30. Rxc6 Rxc6 31. Rxc6 h5 32. h4 g6 33. Qd4 Qf3 34. Rf6 Qe4 35. Qxa7 Qb1+ 36. Kh2 Rf8 37. Qd4 Qa2 38. Kg2 Kh7 39. Qc5 1-0

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.05"]
[Round "7"]
[White "Belmonte, Daniel Jose"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "A01"]
[BlackElo "2370"]
[PlyCount "141"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. Nf3 f6 6. c4 a6 7. Bxc6+ bxc6 8. Qc2 Be6 9. d3 Nh6 10. Nbd2 Qd7 11. Rc1 Rc8 12. a3 0-0 13. 0-0 Qe8 14. b4 Bd7 15. e4 Be6 16. Rfe1 d4 17. c5 Be7 18. Nc4 Nf7 19. Qa4 Ra8 20. Na5 Nd8 21. Kh1 Qd7 22. Rc2 Re8 23. Nc4 Nf7 24. Nfd2 Bf8 25. Na5 Nd8 26. f4 g6 27. Nf3 Bg4 28. Rf2 Bh6 29. g3 exf4 30. Nxd4 fxg3 31. hxg3 Re5 32. Naxc6 Rh5+ 33. Rh2 Nf7 34. Qb3 Rxh2+ 35. Kxh2 Bg7 36. Qd5 Qe8 37. Ne7+ Kh8 38. Ndc6 Ng5 39. Rf1 h6 40. e5 Be6 41. Qd4 fxe5 42. Qh4 Kh7 43. Bc1 Nf7 44. Qe4 Nd8 45. Bb2 Nxc6 46. Nxc6 Bf5 47. Qd5 Qg8 48. Qxg8+ Kxg8 49. Ne7+ Kf7 50. Nd5 Rd8 51. Nxc7 Rxd3 52. Bc1 e4 53. Nxa6 Be5 54. Bf4 Bxf4 55. gxf4 e3 56. Re1 Rxa3 57. b5 Bd3 58. Nc7 e2 59. b6 Rb3 60. Kg1 Ke7 61. Kf2 Kd7 62. Rc1 Kc6 63. Ne6 Rb4 64. Ke1 Bc4 65. Nd8+ Kxc5 66. b7 Kd5 67. Ra1 Kd6 68. Kf2 Kc7 69. Rc1 Kxd8 70. Rxc4 Rxb7 71. Rc6 1/2-1/2

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.03"]
[Round "6"]
[White "De la Vega, Hector"]
[Black "Szmetan, Jorge"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2370"]
[BlackElo "2450"]
[PlyCount "77"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 g6 2. e4 c5 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 b6 9. 0-0 Bb7 10. f3 d6 11. Qd2 Qd7 12. Rac1 Rfd8 13. Rfd1 Rac8 14. b3 Ne8 15. Bf1 Nc7 16. Nde2 Ne5 17. h3 Qe8 18. Nd4 Nc6 19. Ndb5 Ne6 20. Nd5 Rb8 21. Qf2 Rdc8 22. Qh4 Ba8 23. f4 Nc5 24. f5 f6 25. b4 Nd7 26. Nbc7 Qf7 27. c5 Nce5 28. Na6 gxf5 29. Nxb8 Rxb8 30. cxd6 exd6 31. Rc7 fxe4 32. Nf4 Qxa2 33. Rxd6 Nf8 34. Nh5 Rb7 35. Rxb7 Bxb7 36. Nxf6+ Bxf6 37. Qxf6 Neg6 38. Bd4 Qf7 39. Bc4 1-0

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.09.02"]
[Round "5"]
[White "Anelli, Antonio"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2245"]
[BlackElo "2370"]
[PlyCount "81"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. Nf3 d6 8. g3 Bg7 9. Bg2 Nbd7 10. 0-0 Nb6 11. Nd2 0-0 12. h3 Bb7 13. e4 Ba6 14. Re1 Nfd7 15. Bf1 Ne5 16. Bxa6 Rxa6 17. Nf3 Nxf3+ 18. Qxf3 Qd7 19. Qe2 Rfa8 20. Kg2 Na4 21. Nxa4 Rxa4 22. a3 Qb7 23. Qc2 f5 24. f3 fxe4 25. fxe4 R4a6 26. Rb1 Rb6 27. b3 Rb8 28. Re3 Qa6 29. Bb2 Bd4 30. Bxd4 cxd4 31. Rd3 Qxa3 32. b4 Qa6 33. Rxd4 Rc8 34. Qf2 Qa4 35. b5 Rc4 36. Rf1 Rb8 37. Rxc4 Qxc4 38. Qf7+ Kh8 39. b6 Ra8 40. b7 Ra2+ 41. Kg1 1-0

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.08.30"]
[Round "3"]
[White "Seidler, Aldo Emilio"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C44"]
[BlackElo "2370"]
[PlyCount "116"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. d5 Ne7 6. Nxe5 Ng6 7. Nxg6 hxg6 8. Be3 Be7 9. Qd4 Nf6 10. Nd2 c5 11. dxc6 dxc6 12. Qxd8+ Bxd8 13. Bc4 Bb6 14. Bxb6 axb6 15. 0-0 Bf5 16. Rfe1+ Kf8 17. Bb3 b5 18. Nf3 Be4 19. Ne5 Bd5 20. Rad1 g5 21. Rd3 g6 22. Bxd5 Nxd5 23. Rf3 Rh7 24. a3 Kg8 25. c4 bxc4 26. Nxc4 f6 27. g3 Rd8 28. Rb3 Rhd7 29. Na5 g4 30. Rxb7 Rxb7 31. Nxb7 Rb8 32. Na5 Rxb2 33. Nxc6 Ra2 34. Nb4 Nxb4 35. axb4 Rb2 36. Re8+ Kf7 37. Rb8 f5 38. Kf1 g5 39. b5 f4 40. gxf4 gxf4 41. Kg2 Kg7 42. b6 Kh7 43. Rf8 g3 44. hxg3 fxg3 45. Kxg3 Rxb6 46. f4 Kg7 47. Ra8 Kf6 48. Kg4 Rc6 49. Ra5 Rb6 50. Rh5 Kg6 51. f5+ Kg7 52. Kg5 Rb1 53. f6+ Kg8 54. Kg6 Rg1+ 55. Kf5 Ra1 56. Rg5+ Kf7 57. Rg7+ Kf8 58. Rb7 Rf1+ 1/2-1/2

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.08.29"]
[Round "2"]
[White "De la Vega, Hector"]
[Black "Bernat, Miguel"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2370"]
[PlyCount "33"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. Nxe5 Nxe5 7. d4 Nxe4 8. Qe2 Be7 9. Qxe4 Ng6 10. Nc3 0-0 11. Nd5 Bd6 12. f4 f5 13. Qf3 Kh8 14. Be3 Nh4 15. Qf2 b5 16. Bb3 Bb7 17. g3 1/2-1/2

[Event "ARG-ch53"]
[Site "Buenos Aires"]
[Date "1976.08.28"]
[Round "1"]
[White "Bronstein, Luis Marcos"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2380"]
[BlackElo "2370"]
[PlyCount "81"]
[EventDate "1976.08.28"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 Be7 5. c3 d6 6. d4 exd4 7. cxd4 d5 8. e5 Ne4 9. Nc3 Bf5 10. Bd3 Nxc3 11. bxc3 Qd7 12. 0-0 0-0 13. Bxf5 Qxf5 14. Qb5 Qd7 15. Qxb7 Bb4 16. cxb4 a6 17. Bf4 Ra7 18. Qxa7 Nxa7 19. a4 Nc6 20. b5 axb5 21. axb5 Nd8 22. Rfb1 Ne6 23. Be3 Rb8 24. Ra3 h6 25. Rab3 Rb6 26. h3 Qe8 27. Nd2 c6 28. bxc6 Rxb3 29. Nxb3 Qxc6 30. Nc5 Kh7 31. Nxe6 Qxe6 32. Rb5 Qd7 33. Rb6 Qc7 34. Rd6 Qb7 35. Kh2 Qb5 36. h4 Qb7 37. g3 Qa8 38. e6 fxe6 39. Rxe6 Qb7 40. h5 Qf7 41. Re5 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.19"]
[Round "19"]
[White "Miana, Elias T"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "D01"]
[PlyCount "79"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. Nf3 Nc6 5. e3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. dxc5 Bxc5 9. 0-0-0 Be7 10. e4 d4 11. e5 Nd7 12. Bxe7 Qxe7 13. Nb5 Qg5+ 14. Kb1 Qxe5 15. Qa3 Qc5 16. Nc7+ Ke7 17. Qxc5+ Nxc5 18. Nxa8 Rxa8 19. Bb5 Rd8 20. Rhe1 a6 21. Bxc6 bxc6 22. c3 d3 23. Re3 a5 24. b4 axb4 25. cxb4 Na4 26. Rdxd3 Rb8 27. Rb3 Nb6 28. Rec3 Kd6 29. a3 e5 30. Rc5 f5 31. Rbc3 Na4 32. Rxc6+ Kd5 33. Rc1 e4 34. Rc8 Rxc8 35. Rxc8 f4 36. Kc2 Nb6 37. Rd8+ Kc4 38. Rg8 Nd5 39. Rxg7 e3 40. fxe3 1-0

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.17"]
[Round "18"]
[White "De la Vega, Hector"]
[Black "Sampaolesi, Nestor Jose"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "39"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nh6 6. Bd3 0-0 7. h4 Ng4 8. h5 Bd4 9. Nh3 f5 10. hxg6 e6 11. exf5 exf5 12. gxh7+ Kh8 13. Ne2 Qe8 14. Kf1 Qh5 15. Kg1 Ne5 16. Bf4 Nxd3 17. Nxd4 Qxd1+ 18. Rxd1 Nxf4 19. Nxf4 Re8 20. Nb5 1-0

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.16"]
[Round "17"]
[White "Emma, Jaime"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "D90"]
[PlyCount "63"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 0-0 9. Be3 Bg4 10. Rd1 Bxf3 11. gxf3 e6 12. Qb3 N8d7 13. h4 Nf6 14. Be2 Qc7 15. a4 Rfe8 16. Kf1 Nbd7 17. f4 Bh6 18. e5 Nd5 19. Nxd5 cxd5 20. h5 Bg7 21. f5 exf5 22. hxg6 hxg6 23. Bg5 a6 24. Qh3 Kf8 25. Qh7 Qa5 26. Rd3 Rac8 27. Rdh3 f6 28. Qxg6 fxg5 29. Rh8+ Bxh8 30. Rxh8+ Ke7 31. Rh7+ Kd8 32. Rxd7+ 1-0

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.14"]
[Round "16"]
[White "De la Vega, Hector"]
[Black "Szmetan, Jorge"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "125"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. Nc3 Bg7 5. e4 0-0 6. Be2 d6 7. 0-0 Bg4 8. d5 Bxf3 9. Bxf3 Na6 10. Bg5 h6 11. Bf4 Nd7 12. Qd2 Kh7 13. Be2 Nc7 14. Bg3 a6 15. f4 Rb8 16. a4 e5 17. dxe6 Nxe6 18. Qxd6 Nd4 19. Bd3 Rc8 20. e5 Rc6 21. Qd5 f5 22. exf6 Nxf6 23. Qxd8 Rxd8 24. Bh4 Nb3 25. Rad1 Rcd6 26. Nd5 Nxd5 27. cxd5 Bd4+ 28. Kh1 Bf6 29. Bxf6 Rxf6 30. g3 Nd4 31. Rde1 Rd7 32. Re5 Rb6 33. f5 gxf5 34. Rfxf5 Kg7 35. Rf2 Rf7 36. Rxf7+ Kxf7 37. d6 Rxd6 38. Rxc5 Rb6 39. Rc4 Nc6 40. Rc2 Kf6 41. Rf2+ Ke5 42. Kg2 Rb4 43. h4 Rxa4 44. Rf5+ Kd6 45. Rh5 Ra2 46. Rxh6+ Kd5 47. h5 Rxb2+ 48. Kh3 Rf2 49. Rh8 Ne5 50. Rd8+ Ke6 51. Be4 Nf7 52. Bd5+ Ke7 53. Ra8 Rf5 54. Bxf7 Kxf7 55. g4 Rb5 56. Kh4 a5 57. Rc8 Kg7 58. Rc7+ Kg8 59. h6 a4 60. g5 Rb1 61. Kh5 a3 62. h7+ Kh8 63. Kh6 1-0

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.13"]
[Round "15"]
[White "Canepa, Rolando"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "D71"]
[PlyCount "86"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 Nxc3 7. bxc3 c5 8. e3 0-0 9. Ne2 Nc6 10. 0-0 Qa5 11. Qb3 Rd8 12. Ba3 Bg4 13. f3 Be6 14. Qb2 b6 15. Kh1 Bc4 16. Rfe1 Bxe2 17. Rxe2 cxd4 18. exd4 Nxd4 19. Bb4 Qa6 20. Rxe7 Nc6 21. Rc7 Rac8 22. Rxc8 Qxc8 23. Rb1 Nxb4 24. Qxb4 Qxc3 25. Qxc3 Bxc3 26. f4 b5 27. Bc6 b4 28. Ba4 Rd2 29. Bb3 a5 30. Rd1 Rxd1+ 31. Bxd1 Kf8 32. Kg2 Ke7 33. Kf3 Kd6 34. g4 Kc5 35. Ba4 Kd4 36. g5 Kd3 37. Bb3 f5 38. gxf6 Bxf6 39. Bg8 a4 40. Kg4 Kc3 41. h4 h5+ 42. Kg3 b3 43. axb3 a3 0-1

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.11"]
[Round "14"]
[White "De la Vega, Hector"]
[Black "Cuasnicu, Oscar"]
[Result "1/2-1/2"]
[ECO "C66"]
[PlyCount "18"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. Bb5 Nf6 5. d4 exd4 6. Nxd4 Bd7 7. 0-0 Be7 8. Re1 Nxd4 9. Qxd4 Bxb5 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.10"]
[Round "13"]
[White "Rubinetti, Jorge Alberto"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "D16"]
[PlyCount "111"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Bh5 7. g3 e6 8. Bg2 Bb4 9. Nxc4 a5 10. 0-0 Nd5 11. Na2 Na6 12. Nxb4 Naxb4 13. h3 Nb6 14. b3 0-0 15. Bf4 f6 16. g4 Bg6 17. e4 Nxc4 18. bxc4 e5 19. Be3 exd4 20. Bxd4 Re8 21. Re1 Nc2 22. Qxc2 Qxd4 23. c5 Re7 24. Rad1 Qe5 25. Qb3+ Bf7 26. Qe3 g5 27. h4 Be6 28. f3 h6 29. h5 Kg7 30. Rd6 Rc8 31. Red1 Rcc7 32. Qd4 Qxd4+ 33. R1xd4 Red7 34. Bf1 Rxd6 35. Rxd6 Bb3 36. e5 Rf7 37. Bd3 fxe5 38. Rg6+ Kf8 39. Bf5 Bxa4 40. Rxh6 Bb3 41. Rd6 Kg8 42. Rd8+ Kg7 43. Ra8 a4 44. Kf2 Re7 45. Ke3 Bd1 46. Ra7 Rc7 47. Kd2 Bxf3 48. Rxa4 Bd5 49. Ra8 Re7 50. Rd8 Bf7 51. Rd6 Be8 52. h6+ Kf8 53. Rd8 Kf7 54. Ke3 Kf6 55. h7 Kg7 56. Bg6 1-0

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.06"]
[Round "12"]
[White "De la Vega, Hector"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[ECO "B82"]
[PlyCount "82"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Nb3 a6 8. Bd3 b5 9. 0-0 Bb7 10. Qf3 Qc7 11. Be3 Be7 12. Rae1 0-0 13. g4 Rfc8 14. g5 Nd7 15. Qh5 Nf8 16. Rf3 Qd7 17. Rh3 Nb4 18. Nd4 Nxd3 19. cxd3 b4 20. Nd1 g6 21. Qh6 f5 22. Bf2 fxe4 23. dxe4 Bd8 24. f5 Qg7 25. Qxg7+ Kxg7 26. f6+ Kf7 27. e5 dxe5 28. Rxe5 Rc1 29. Re1 Bd5 30. Ne3 Rxe1+ 31. Bxe1 Bb6 32. Nxd5 exd5 33. Bf2 Re8 34. Rd3 h6 35. h4 hxg5 36. hxg5 Re5 37. Nf3 Bxf2+ 38. Kxf2 Rf5 39. Kg3 Ne6 40. Kg4 Rf4+ 41. Kg3 Rf5 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.05"]
[Round "11"]
[White "De la Vega, Hector"]
[Black "Sanguineti, Raul"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "60"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. e4 c5 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nh6 7. Nc3 0-0 8. Be2 f5 9. exf5 Bxd4 10. Bxh6 Rxf5 11. f3 d6 12. Qd2 Qa5 13. Be3 Bxc3 14. bxc3 Be6 15. Rb1 Qc7 16. Bd3 Rf7 17. Bd4 Bf5 18. 0-0 Na5 19. Rb4 b6 20. Re1 e5 21. Bxf5 gxf5 22. Qg5+ Kh8 23. Bf2 Rg8 24. Qh5 Nxc4 25. Bh4 f4 26. Rd1 Ne3 27. Rd3 Rf5 28. Rxe3 Rxh5 29. Bf6+ Rg7 30. Rxf4 Kg8 0-1

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.03"]
[Round "10"]
[White "Casas, Ernesto"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "38"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nd2 d5 3. e3 g6 4. Bd3 Bg7 5. b3 0-0 6. Bb2 c5 7. Ngf3 Nc6 8. c3 Qc7 9. 0-0 b6 10. Rc1 e5 11. e4 Rd8 12. Nxe5 Nxe5 13. dxe5 Nxe4 14. f4 f5 15. Qe2 Bb7 16. Bb1 g5 17. Nxe4 dxe4 18. c4 Qd7 19. fxg5 Qe6 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.07.02"]
[Round "9"]
[White "De la Vega, Hector"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "90"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 Qe8 8. Bh2 e5 9. c4 Ne4 10. Qc2 f5 11. Nc3 Nxc3 12. bxc3 Qe7 13. Rfe1 b6 14. Nd2 Bb7 15. Bf3 e4 16. Be2 g5 17. f3 exf3 18. Bxf3 Bxf3 19. gxf3 Qf7 20. Nf1 Qxc4 21. Qb3 Qf7 22. Qxf7+ Rxf7 23. a4 a5 24. Rab1 Re8 25. Rb5 h6 26. Rd1 Kh7 27. Kg2 Kg6 28. Bg1 h5 29. c4 Bh6 30. Rd3 Re6 31. Bf2 Bf8 32. Nd2 Be7 33. Bg1 Bf8 34. Bf2 Re8 35. Bg1 Be7 36. Bf2 Bd8 37. Rb1 c6 38. Nb3 Bc7 39. Bg1 Nf6 40. Bf2 f4 41. exf4 gxf4 42. Rd2 Rfe7 43. Kf1 Kf5 44. Nc1 Rg7 45. Ne2 Nh7 0-1

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.29"]
[Round "8"]
[White "Quinteros, Miguel Angel"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C65"]
[PlyCount "116"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 Be7 5. c3 d6 6. d4 Bd7 7. h3 a6 8. Bd3 0-0 9. d5 Nb8 10. c4 c6 11. Nc3 a5 12. Be3 Na6 13. 0-0 Be8 14. Rac1 Nd7 15. a3 Ndc5 16. Bc2 h6 17. Rb1 Nd7 18. dxc6 bxc6 19. b4 axb4 20. axb4 c5 21. bxc5 Ndxc5 22. Rfd1 Bd7 23. Nb5 Nb7 24. Nxd6 Nxd6 25. c5 Nxc5 26. Bxc5 Qc7 27. Bb6 Qc3 28. Bb3 Bb5 29. Qb2 Qxb2 30. Rxb2 Nxe4 31. Re1 Ba3 32. Bxf7+ Rxf7 33. Rxb5 Nd6 34. Rbxe5 Nc4 35. Re8+ Rxe8 36. Rxe8+ Kh7 37. Bd4 Bb2 38. Ne5 Rb7 39. Bxb2 Nxb2 40. h4 g6 41. Re6 Rg7 42. g4 g5 43. h5 Rc7 44. Kg2 Kg7 45. Nc6 Nd3 46. Re7+ Rxe7 47. Nxe7 Kf6 48. Nc6 Ne5 49. Nxe5 Kxe5 50. Kf3 Kd4 51. Kg2 Ke4 52. Kg3 Ke5 53. Kg2 Ke4 54. f3+ Kf4 55. Kf2 Ke5 56. Ke2 Kf4 57. Kf2 Ke5 58. Ke3 Kd5 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.28"]
[Round "7"]
[White "De la Vega, Hector"]
[Black "Brond, Victor"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "33"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 Nf6 6. e5 Ne4 7. Bd3 Nxc3 8. bxc3 c5 9. dxc5 Qa5 10. 0-0 Qxc5 11. Be3 Qxc3 12. Bb5+ Nc6 13. Qxd5 0-0 14. Bxc6 Qxc6 15. Qxc6 bxc6 16. Bc5 Re8 17. Rfe1 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.26"]
[Round "6"]
[White "Rodriguez, I."]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "B57"]
[PlyCount "104"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. Be3 Qc7 9. Be2 a6 10. 0-0 b5 11. a3 Bb7 12. f4 Be7 13. Bf3 Nd7 14. f5 Nde5 15. fxe6 fxe6 16. Bg4 Nxg4 17. Qxg4 Qd7 18. Rad1 Ne5 19. Qh3 Bc8 20. Nc5 Qa7 21. Nd3 Qc7 22. Nf4 Qd7 23. Bd4 Bf6 24. Bxe5 Qa7+ 25. Kh1 dxe5 26. Nxe6 Qf7 27. Rd6 Ke7 28. Rc6 Bxe6 29. Nd5+ Bxd5 30. Rc7+ Ke8 31. Rc8+ Rxc8 32. Qxc8+ Ke7 33. Qc5+ Kd7 34. Rd1 Rd8 35. exd5 Qh5 36. Re1 Ke8 37. Qc6+ Kf8 38. b3 Qh4 39. Rf1 Kg8 40. c4 bxc4 41. bxc4 Qg4 42. Qxa6 Qe2 43. Rb1 Qd3 44. Rc1 h6 45. h3 Bg5 46. Ra1 Rf8 47. Qe6+ Kh8 48. Qg4 Rf1+ 49. Rxf1 Qxf1+ 50. Kh2 Bf4+ 51. g3 Qf2+ 52. Kh1 Bxg3 0-1

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.25"]
[Round "5"]
[White "De la Vega, Hector"]
[Black "Paglilla, Carlos"]
[Result "1-0"]
[ECO "D34"]
[PlyCount "131"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 Be7 5. 0-0 0-0 6. c4 d5 7. cxd5 exd5 8. Nc3 Nc6 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Bf5 12. Nd4 Be4 13. Bh3 Ne5 14. Nc3 Nc4 15. Bc1 Nd6 16. b3 Bg6 17. Bb2 Nde4 18. Nf5 Bxf5 19. Bxf5 Nxc3 20. Bxc3 Ne4 21. Bd4 Bf6 22. Rc1 Re8 23. Rc2 Be5 24. Bxe4 dxe4 25. Bxe5 Rxe5 26. Qxd8+ Rxd8 27. Rc7 Rb5 28. Re7 g6 29. Rc1 a5 30. Rcc7 Rf5 31. Rxe4 Rd2 32. a4 b6 33. Rc6 b5 34. g4 Rfd5 35. Rc7 bxa4 36. bxa4 R5d4 37. Re8+ Kg7 38. f3 Rxa4 39. Ree7 Rf4 40. Kf2 Rd5 41. e3 Rf6 42. f4 h5 43. h3 hxg4 44. hxg4 Rd8 45. Kg3 Rf8 46. Ra7 Rb6 47. Rxa5 Rbb8 48. Raa7 Rbe8 49. e4 Rxe7 50. Rxe7 Kf6 51. Ra7 Re8 52. e5+ Ke6 53. Kh4 Rh8+ 54. Kg5 Rh7 55. f5+ gxf5 56. gxf5+ Kxe5 57. Re7+ Kd6 58. Re1 Rh2 59. Kf6 Rf2 60. Rd1+ Kc6 61. Rd8 Rf1 62. Rf8 Kd7 63. Rxf7+ Ke8 64. Ra7 Rf2 65. Ra8+ Kd7 66. Rf8 1-0

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.22"]
[Round "4"]
[White "Panno, Oscar"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "119"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. d3 Bg7 7. Be3 0-0 8. Qd2 e5 9. h4 h5 10. Nh3 Nc6 11. Bxc6 bxc6 12. Rc1 Nd5 13. Bh6 Nxc3 14. Bxg7 Kxg7 15. Qxc3 Bxh3 16. Rxh3 Qd5 17. f3 Qxa2 18. Qxe5+ f6 19. Qxc7+ Rf7 20. Qxc6 Qxb2 21. Qc3 Qb6 22. Qc5 Qe6 23. Rh1 Re7 24. Rc2 Rd8 25. Kf2 Rd5 26. Qc4 Qb6+ 27. Kg2 Rd4 28. Qc3 a5 29. Rd1 Rb4 30. d4 a4 31. Qc5 Qxc5 32. dxc5 Rbb7 33. Kf2 Rbc7 34. Ra1 Re5 35. Rxa4 Rexc5 36. Rxc5 Rxc5 37. Ra7+ Kh6 38. Rf7 Rc6 39. e4 g5 40. hxg5+ Kxg5 41. Rd7 Ra6 42. Kg2 Kg6 43. f4 Ra2+ 44. Kh3 Re2 45. Re7 Ra2 46. e5 fxe5 47. Re6+ Kf7 48. Rxe5 Kg6 49. Re6+ Kg7 50. Rb6 Ra1 51. Kh4 Rg1 52. Rb5 Rh1+ 53. Kg5 Rh3 54. Rb7+ Kg8 55. Rb3 Kg7 56. f5 Kf7 57. Ra3 Kg7 58. f6+ Kf7 59. Kf5 Rh1 60. Ra7+ 1-0

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.21"]
[Round "3"]
[White "De la Vega, Hector"]
[Black "Bronstein, Luis Marcos"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "127"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 e5 7. 0-0 Ne7 8. d3 0-0 9. Bd2 Nbc6 10. Rc1 Nd4 11. Nxd4 exd4 12. Ne4 h6 13. Qb3 b6 14. Qc2 c6 15. Be1 Be6 16. Nd2 Qd7 17. Nf3 a5 18. Bd2 c5 19. a4 Rad8 20. Ra1 Rfe8 21. Bc1 Nd5 22. Nd2 Bh3 23. Nc4 Bxg2 24. Kxg2 Re6 25. Re1 Rde8 26. Qd1 Qe7 27. Kf1 h5 28. Bd2 h4 29. e4 dxe3 30. fxe3 Bh6 31. e4 Bxd2 32. Qxd2 Nb4 33. Rad1 Rd8 34. Re3 hxg3 35. hxg3 Qd7 36. b3 b5 37. axb5 Qxb5 38. Kg2 Nc6 39. Qc3 Qb4 40. Qxb4 axb4 41. Rd2 Nd4 42. Rb2 Ra8 43. Re1 Rea6 44. e5 Ra2 45. Reb1 Nxb3 46. Kf3 Rxb2 47. Rxb2 Nd4+ 48. Ke4 Ra1 49. Kd5 Ne6 50. Nd2 Ra3 51. Nb3 Ra8 52. Nxc5 Rd8+ 53. Kc4 Nxc5 54. Kxc5 Rxd3 55. Rxb4 Rxg3 56. Rb8+ Kg7 57. Kd4 Rf3 58. Ke4 Rf1 59. Rb7 g5 60. Rb6 g4 61. Ra6 f5+ 62. exf6+ Kg6 63. f7+ Kxf7 64. Ke3 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.20"]
[Round "2"]
[White "Barea Garcia, Luis"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "B67"]
[PlyCount "87"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f3 Be7 10. h4 b5 11. g4 b4 12. Nce2 Qa5 13. Kb1 Ne5 14. Ng3 Qc5 15. Be3 Nc4 16. Bxc4 Qxc4 17. g5 Ng8 18. e5 d5 19. f4 g6 20. Rc1 h5 21. c3 bxc3 22. Qxc3 Qxc3 23. Rxc3 Bd8 24. Nb3 Ne7 25. Bc5 Nc6 26. Ne2 Be7 27. Ned4 Bxc5 28. Rxc5 Nxd4 29. Nxd4 Ke7 30. Rc7 Rhc8 31. Rhc1 Kd8 32. Rxc8+ Bxc8 33. b4 Bd7 34. Rc5 Rb8 35. a3 Bb5 36. Kb2 Kd7 37. Kb3 Rb7 38. a4 Bc4+ 39. Kc3 Rb6 40. Ra5 Rb7 41. b5 axb5 42. axb5 Bf1 43. Kb3 Bd3 44. Kc3 1/2-1/2

[Event "ARG-ch52"]
[Site "Buenos Aires"]
[Date "1975.06.19"]
[Round "1"]
[White "De la Vega, Hector"]
[Black "Giardelli, Sergio Carlos"]
[Result "1-0"]
[ECO "B43"]
[PlyCount "103"]
[EventDate "1975.06.19"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Nc3 Bd6 8. Kh1 Nc6 9. Nxc6 bxc6 10. f4 e5 11. f5 Be7 12. Qf3 Bb7 13. Qg3 d5 14. b3 0-0-0 15. Qxg7 Rdf8 16. Qg3 h5 17. Qe1 h4 18. Bg5 Nh5 19. Bxh4 Bxh4 20. Qxh4 Rfg8 21. Qe1 Ng3+ 22. Kg1 Nxf1 23. Bxf1 Rg4 24. g3 d4 25. Nd1 Qe7 26. Nf2 Rg7 27. Qa5 Qh4 28. Bh3 Rxg3+ 29. hxg3 Qxg3+ 30. Kf1 Rxh3 31. Nxh3 Qxh3+ 32. Ke2 Qe3+ 33. Kd1 Qxe4 34. Kc1 Qxf5 35. Kb2 d3 36. Rg1 Kd7 37. Rg8 Qf6 38. cxd3 e4+ 39. Qc3 Qxc3+ 40. Kxc3 exd3 41. Rf8 Kc7 42. Rxf7+ Kb6 43. Kxd3 a5 44. Kd4 Ba6 45. Rf8 Be2 46. Rb8+ Ka7 47. Re8 Bf3 48. Kc5 Bd5 49. Rd8 Kb7 50. Rd7+ Ka6 51. Rxd5 cxd5 52. a4 1-0

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "1"]
[White "De la Vega, Hector"]
[Black "Cuasnicu, Oscar"]
[Result "1/2-1/2"]
[ECO "B38"]
[PlyCount "46"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. e4 cxd4 6. Nxd4 0-0 7. Be2 Nc6 8. Be3 b6 9. 0-0 Bb7 10. Qd2 Rc8 11. f3 Ne5 12. b3 d6 13. Rac1 a6 14. Rfd1 Ned7 15. Bf1 Re8 16. Nd5 e6 17. Nxf6+ Nxf6 18. Qf2 Nd7 19. Ne2 Qc7 20. Rd2 Bf8 21. Kh1 Ba8 22. h3 Qb8 23. Rcd1 b5 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "6"]
[White "De la Vega, Hector"]
[Black "Garcia, Raimundo"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "66"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Be2 Nbd7 7. 0-0 c5 8. c3 b6 9. a4 a6 10. Na3 Bb7 11. Re1 Rc8 12. Bh2 Rc7 13. Nd2 Qa8 14. Bf1 Rfc8 15. Nac4 Bd5 16. a5 b5 17. Nb6 Nxb6 18. axb6 Rb7 19. Bxb5 Rxb6 20. Bf1 Rxb2 21. Bxa6 Rc7 22. e4 cxd4 23. Bd3 Ra7 24. Rxa7 Qxa7 25. c4 Bc6 26. e5 dxe5 27. Bxe5 Nh5 28. Nf3 Bxf3 29. Qxf3 Qa5 30. Qe4 Qd2 31. Re2 Qc1+ 32. Re1 Qc3 33. Ra1 Rb8 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "4"]
[White "De la Vega, Hector"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "38"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 a6 7. 0-0 b5 8. b3 Bb4 9. Bd2 Qe7 10. Qe1 Bd6 11. e4 dxc4 12. bxc4 e5 13. cxb5 cxb5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. f4 Qd4+ 17. Be3 Qxd3 18. Rd1 Qc4 19. Rxd6 Bb7 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "10"]
[White "De la Vega, Hector"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1/2-1/2"]
[ECO "C60"]
[PlyCount "16"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 Nxd4 5. Nxd4 exd4 6. Qxd4 Qf6 7. Qd3 Bg7 8. 0-0 c6 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "8"]
[White "De la Vega, Hector"]
[Black "Seidler, Aldo Emilio"]
[Result "0-1"]
[ECO "A77"]
[PlyCount "92"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Nbd7 11. a4 Ne5 12. h3 g5 13. Nc4 Nxc4 14. Bxc4 Nxe4 15. Nxe4 Rxe4 16. Bd3 Rb4 17. Qh5 h6 18. f4 Qf6 19. fxg5 Qd4+ 20. Kh1 Qxd5 21. Bh7+ Kh8 22. Bf5 Bxf5 23. gxh6 Be5 24. Qxf5 Rg8 25. Bg5 Qe6 26. Bf6+ Qxf6 27. Qxf6+ Bxf6 28. Rxf6 Rxb2 29. Rg1 Rg6 30. Rxf7 c4 31. Rc7 d5 32. g3 Rxh6 33. h4 Rc6 34. Rd7 Rbb6 35. Re1 Re6 36. Rf1 Rf6 37. Re1 Rg6 38. Rc1 Rbd6 39. Rxb7 a6 40. Kg2 Rd8 41. g4 Rc6 42. Rf1 c3 43. Rff7 Rg6 44. g5 d4 45. Kf2 c2 46. Rbc7 d3 0-1

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "2"]
[White "De la Vega, Hector"]
[Black "Szmetan, Jorge"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "31"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 c5 2. c3 e6 3. Nf3 Nf6 4. Bg5 d5 5. e3 Qb6 6. Qb3 Be7 7. Nbd2 0-0 8. Qxb6 axb6 9. a3 Nc6 10. Bd3 Re8 11. 0-0 Nh5 12. Bxe7 Rxe7 13. Ne5 Bd7 14. f4 Nf6 15. h3 Be8 16. g4 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "7"]
[White "Grinberg, Ricardo"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "155"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nc6 6. Qd2 g6 7. Nc3 Bg7 8. b3 Nf6 9. Bb2 0-0 10. h3 Qa5 11. Bd3 Qh5 12. Be2 Qa5 13. Bd3 Qh5 14. Ne2 Nd7 15. Bxg7 Kxg7 16. 0-0 Nde5 17. Nxe5 Qxe5 18. f4 Qc5+ 19. Kh2 Bd7 20. Rae1 b5 21. Rc1 b4 22. f5 a5 23. Rf4 f6 24. Rg4 Ne5 25. Rg3 Qf2 26. Rc2 g5 27. Nf4 Qxd2 28. Rxd2 Kf7 29. Nd5 Bc6 30. Be2 Bxd5 31. Bh5+ Kg7 32. exd5 Rfc8 33. Bd1 a4 34. Kg1 axb3 35. axb3 Ra1 36. Kf2 Rca8 37. Re3 Rc1 38. Ke2 Raa1 39. Re4 Kf7 40. Re3 Nd7 41. Rd4 Nc5 42. Rd2 Rc3 43. Rxc3 bxc3 44. Rc2 Nxb3 45. Rxc3 Nd4+ 46. Kd2 Ra2+ 47. Kd3 Nxf5 48. g4 Ng7 49. Bb3 Rh2 50. Ke4 f5+ 51. gxf5 Kf6 52. Bd1 Rh1 53. Be2 Rh2 54. Bd1 Rf2 55. c5 Rf4+ 56. Kd3 dxc5 57. Rxc5 Rh4 58. Rc6+ Ke5 59. Bg4 Kxd5 60. f6 exf6 61. Rxf6 h6 62. Rf7 Nh5 63. Rf5+ Kd6 64. Bxh5 Rxh5 65. Rf3 Rh4 66. Re3 Kd5 67. Ke2 Rf4 68. Ra3 Ke5 69. Ra6 Rf6 70. Rxf6 Kxf6 71. Kf3 h5 72. Kf2 Ke6 73. Ke2 Kd6 74. Kd2 Kc6 75. Ke3 Kd6 76. Kd2 Kc5 77. Ke3 Kd5 78. Kd3 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "9"]
[White "Kostka, Alexander"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "B37"]
[PlyCount "125"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Nc2 Nd7 9. 0-0 0-0 10. Be3 Nc5 11. f3 Bxc3 12. bxc3 Qa5 13. Qe1 Na4 14. Bh6 Re8 15. Nb4 Be6 16. Nd5 Ne5 17. Kh1 f6 18. Rb1 Nc5 19. Rb5 Qxa2 20. Nb4 Qxe2 21. Qxe2 Bxc4 22. Qc2 Bxb5 23. Rd1 Bc4 24. Nd5 Bxd5 25. Rxd5 a5 26. Qa2 Nf7 27. Be3 b6 28. h4 Kg7 29. g4 a4 30. g5 fxg5 31. hxg5 e5 32. Rd2 Ne6 33. Rb2 Nexg5 34. Rxb6 Ne6 35. Rb7 g5 36. Bc1 Kf6 37. Ba3 Reb8 38. Rd7 Rd8 39. Rb7 Rdc8 40. Bb4 Rc7 41. Rb6 Rd7 42. Ba3 Rc8 43. Bb4 Nc5 44. Bxc5 Rxc5 45. Qxa4 Rdc7 46. Rb3 Rxc3 47. Rxc3 Rxc3 48. Kg2 Rd3 49. Qd7 h5 50. Qf5+ Ke7 51. Kf2 Rd2+ 52. Kg1 Rd4 53. Kg2 Rb4 54. Qc8 Ra4 55. Kf2 Ra7 56. Kg2 Rd7 57. Kh2 Nd8 58. Kg3 g4 59. fxg4 hxg4 60. Kxg4 Ne6 61. Qh8 Nc5 62. Qh4+ Ke8 63. Qh8+ 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "3"]
[White "Letelier Martner, Rene"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "A12"]
[PlyCount "35"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. g3 Nf6 2. c4 c6 3. Nf3 d5 4. b3 Bf5 5. Bb2 e6 6. Bg2 Be7 7. 0-0 0-0 8. d3 h6 9. Nbd2 a5 10. a3 Nbd7 11. Qc2 Bh7 12. Bc3 Nb6 13. Qb2 c5 14. cxd5 Nbxd5 15. Be5 Bd6 16. Bxd6 Qxd6 17. Nc4 Qc7 18. a4 1/2-1/2

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "5"]
[White "Sanguineti, Raul"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "B77"]
[PlyCount "90"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. h5 Nxh5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qa5 16. Qd2 Rc8 17. Rd1 Qxc3 18. Qxc3 Rxc3 19. Ne2 Rc7 20. Kf2 Kg7 21. g4 Nf6 22. Nf4 Rc3 23. Nd3 Nxf3 24. Kxf3 Bxg4+ 25. Ke3 Bxd1 26. Rxd1 h5 27. Kd4 Rc7 28. e5 dxe5+ 29. Nxe5 Ng4 30. Nxg4 Rd7+ 31. Bd5 hxg4 32. Ke5 e6 33. Bf3 Rc7 34. Be4 Rc5+ 35. Kd6 b6 36. Bd3 Rd5+ 37. Ke7 e5 38. Re1 Rc5 39. Kd6 g3 40. Re3 f5 41. Rxg3 e4 42. Be2 Kf6 43. c4 f4 44. Ra3 f3 45. Bd1 g5 0-1

[Event "Buenos Aires CC Argentino"]
[Site "Buenos Aires"]
[Date "1975.??.??"]
[Round "11"]
[White "Schweber, Samuel"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "31"]
[EventDate "1975.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 Nc6 5. c4 e6 6. b3 Be7 7. Bb2 0-0 8. d3 b6 9. Nbd2 Bb7 10. Ne5 Nxe5 11. Bxe5 Qc8 12. Qc2 dxc4 13. dxc4 Bxg2 14. Kxg2 Nd7 15. Bc3 Bf6 16. Bxf6 1/2-1/2

[Event "Zarate op 3th"]
[Site "Zarate"]
[Date "1974.12.07"]
[Round "8"]
[White "Laplaza, Jorge FN"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "86"]
[EventDate "1974.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 e6 4. d3 d5 5. Nbd2 Bd6 6. g3 Nge7 7. Qe2 0-0 8. Bg2 f6 9. 0-0 Bd7 10. h4 Be8 11. Bh3 Bf7 12. Re1 Qc7 13. Nf1 Rfe8 14. Ne3 Rad8 15. h5 c4 16. e5 Nxe5 17. Nxe5 Bxe5 18. dxc4 d4 19. cxd4 Bxd4 20. Rb1 h6 21. Kh2 Nc6 22. Nc2 Qa5 23. b4 Qxh5 24. Qxh5 Bxh5 25. Bxe6+ Kh8 26. b5 Ne5 27. Bd5 Bxf2 28. Rf1 Bc5 29. Ne1 Ng4+ 30. Kh3 Nf2+ 31. Kg2 Re2 32. Rb2 Rde8 33. Rxe2 Rxe2 34. Bf3 Bxf3+ 35. Kxf3 Rxa2 36. Ng2 Nd3 37. Nh4 Kh7 38. Rd1 Ne5+ 39. Ke4 Rc2 40. Bf4 Ng4 41. Bd6 Nf2+ 42. Kd5 Bxd6 43. Rf1 Bxg3 0-1

[Event "Zarate op 3th"]
[Site "Zarate"]
[Date "1974.12.06"]
[Round "7"]
[White "De la Vega, Hector"]
[Black "Giardelli, Sergio Carlos"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "77"]
[EventDate "1974.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. e3 Be7 8. Bb5+ c6 9. Bd3 0-0 10. e4 Nxc3 11. bxc3 Nd7 12. 0-0 Re8 13. Qe2 c5 14. a4 Rc8 15. Bb5 Bf6 16. Rd1 cxd4 17. cxd4 Qc7 18. Ba3 Rcd8 19. Ne5 Nxe5 20. Bxe8 Rxe8 21. dxe5 Qxe5 22. f3 Rc8 23. Rac1 Rxc1 24. Bxc1 h6 25. Be3 Qc3 26. Qd3 Qb4 27. Qc2 g5 28. h3 Ba6 29. Rb1 Qa3 30. Qb3 Qd6 31. Rd1 Qg3 32. Bd4 Be7 33. Qb2 Bd6 34. e5 Bb8 35. Bf2 Qxe5 36. Qxe5 Bxe5 37. Rd7 Bc4 38. Rxa7 b5 39. axb5 1-0

[Event "Zarate op 3th"]
[Site "Zarate"]
[Date "1974.12.05"]
[Round "6"]
[White "Benko, Francisco"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "131"]
[EventDate "1974.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. dxe5 d5 6. Bb5 Bc5 7. 0-0 Bg4 8. Qa4 Bd7 9. Qb3 Na5 10. Bxd7+ Qxd7 11. Qc2 Nc6 12. Nbd2 f5 13. exf6 Nxf6 14. Nb3 Be7 15. Be3 0-0 16. Rad1 Qg4 17. h3 Qh5 18. Nbd4 Nxd4 19. Nxd4 Qf7 20. Nf5 Rfe8 21. Bg5 c6 22. Rd3 Bf8 23. Rf3 Kh8 24. Nh6 Qg6 25. Qxg6 hxg6 26. Be3 gxh6 27. Rxf6 Kg7 28. Rf3 Kg8 29. Rd1 Bg7 30. Kf1 Re4 31. Rf4 Rae8 32. Rxe4 Rxe4 33. a3 a5 34. Rd3 a4 35. f3 Re8 36. Bd4 Bxd4 37. cxd4 Kf7 38. Kf2 Ra8 39. Ke3 Ke6 40. Kd2 b6 41. Rc3 c5 42. Re3+ Kd6 43. f4 Rc8 44. Rg3 cxd4 45. Kd3 Rf8 46. Rxg6+ Kc5 47. g3 Re8 48. f5 Re3+ 49. Kd2 Rf3 50. f6 d3 51. Kc3 d4+ 52. Kd2 Kc4 53. f7 Rf2+ 54. Ke1 Rxf7 55. Rxb6 d2+ 56. Kxd2 Rf2+ 57. Ke1 Rg2 58. g4 h5 59. gxh5 Rh2 60. h6 Rxh3 61. Ke2 Rh2+ 62. Kf3 Kd3 63. b4 axb3 64. Rxb3+ Kc2 65. Rb6 d3 66. Rc6+ 1/2-1/2

[Event "Zarate op 3th"]
[Site "Zarate"]
[Date "1974.12.03"]
[Round "4"]
[White "De la Vega, Hector"]
[Black "Luna, Julio Argentino"]
[Result "1-0"]
[ECO "C69"]
[PlyCount "109"]
[EventDate "1974.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bd6 10. Nbd2 Nf6 11. Nc4 Bxf3 12. gxf3 0-0-0 13. Bg5 b5 14. Na5 c5 15. c4 Rde8 16. a4 b4 17. Bxf6 gxf6 18. Kh1 Rhg8 19. Rdd1 f5 20. Rg1 Rgf8 21. Raf1 Re7 22. Rg5 Ref7 23. Kg2 Be7 24. Rxf5 Rxf5 25. exf5 Rxf5 26. Re1 Rg5+ 27. Kf1 Rh5 28. Kg2 Rg5+ 29. Kh1 Rf5 30. f4 Rxf4 31. Rxe5 Bf6 32. Re2 h5 33. h3 h4 34. Kg2 Bd4 35. Nb3 Kd7 36. Nc1 Bf6 37. Rc2 Kc6 38. Ne2 Re4 39. b3 Kd6 40. Rd2+ Bd4 41. Kf1 Ke6 42. Rd3 c6 43. Rf3 Bf6 44. Ke1 Kf7 45. Kd2 Re8 46. Rf5 Re5 47. Rxe5 Bxe5 48. Kd3 Kf6 49. Ke4 Bd6 50. Ng1 Ke6 51. Nf3 Be7 52. Ne5 Kd6 53. Kf5 Kc7 54. Ng6 Bd8 55. Ke6 1-0

[Event "Zarate op 3th"]
[Site "Zarate"]
[Date "1974.12.01"]
[Round "2"]
[White "De la Vega, Hector"]
[Black "Garcia Palermo, Carlos H"]
[Result "1/2-1/2"]
[ECO "E38"]
[PlyCount "88"]
[EventDate "1974.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Na6 6. a3 Bxc3+ 7. Qxc3 Nxc5 8. b4 Nce4 9. Qd4 d5 10. e3 0-0 11. Bb2 e5 12. Qd1 Ng4 13. Nh3 Nxe3 14. fxe3 Bxh3 15. Qf3 Be6 16. Rd1 Qh4+ 17. g3 Ng5 18. gxh4 Nxf3+ 19. Kf2 Nxh4 20. cxd5 Rfd8 21. Bxe5 Rxd5 22. Rxd5 Bxd5 23. Rg1 Ng6 24. Bd4 f6 25. Bh3 Ne5 26. Rd1 Bc6 27. Kg3 a6 28. Bxe5 fxe5 29. Bd7 Bb5 30. Rd5 Bxd7 31. Rxd7 b5 32. Re7 Rf8 33. Rxe5 Rf6 34. Re7 h6 35. Ra7 Kh7 36. e4 Kg6 37. e5 Rc6 38. Kf4 Rc4+ 39. Ke3 Kf5 40. Rxa6 Kxe5 41. Ra5 Rc3+ 42. Kd2 Kd4 43. Rxb5 Rxa3 44. h4 Ra2+ 1/2-1/2

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.17"]
[Round "17"]
[White "De la Vega, Hector"]
[Black "Emma, Jaime"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "40"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. e3 Bg7 5. d4 0-0 6. Be2 cxd4 7. exd4 d5 8. 0-0 Nc6 9. h3 b6 10. Ne5 Bb7 11. Bf3 Na5 12. b3 Rc8 13. Bb2 dxc4 14. Bxb7 Nxb7 15. Nxc4 Nd6 16. Ne5 Nde4 17. Nxe4 Nxe4 18. Rc1 Qd5 19. Qe2 b5 20. Rfe1 Nd6 1/2-1/2

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.14"]
[Round "16"]
[White "Garcia Palermo, Carlos H"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "33"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. Bb3 g6 8. Be3 Bg7 9. h3 0-0 10. 0-0 Nxd4 11. Bxd4 Bc6 12. Qd3 a5 13. Rad1 b5 14. a4 b4 15. Nd5 Nd7 16. f4 Bxd4+ 17. Qxd4 1/2-1/2

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.13"]
[Round "15"]
[White "De la Vega, Hector"]
[Black "Varas, Lauro"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "55"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[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 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. f5 Nc6 10. 0-0-0 Nxd4 11. Rxd4 b5 12. Be2 Rb8 13. Kb1 b4 14. Nd1 Qc5 15. Rc4 Qa5 16. Rf1 0-0 17. Qg3 Kh8 18. Qh4 exf5 19. exf5 Bd7 20. Rd4 Rfc8 21. Bd3 Rc5 22. Ne3 Bc6 23. Ng4 Qd8 24. Re1 b3 25. axb3 Rb7 26. Rxe7 Qxe7 27. Bxf6 Qe3 28. Nxe3 1-0

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.09"]
[Round "13"]
[White "Rubinetti, Jorge Alberto"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "E89"]
[PlyCount "239"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[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. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 a6 10. Nge2 Nbd7 11. Ng3 h5 12. Qd2 Nh7 13. 0-0 Bf6 14. b4 Bg5 15. Kh1 Bxe3 16. Qxe3 Qb6 17. Qxb6 Nxb6 18. a4 Bd7 19. a5 Rfc8 20. Rfc1 Nc4 21. Nd1 Nd2 22. Ne2 Nf6 23. Kg1 Ne8 24. Kf2 Nb3 25. Rxc8 Rxc8 26. Rb1 Nd2 27. Rc1 Rxc1 28. Nxc1 Bb5 29. Bxb5 axb5 30. Ne3 Nb1 31. Ke2 Nc3+ 32. Kd3 Na4 33. Kc2 Nc7 34. Kb3 Kf8 35. Nc2 f5 36. Na3 fxe4 37. fxe4 Ke7 38. Ne2 Kd7 39. Nxb5 Nc5+ 40. bxc5 Nxb5 41. Kb4 Nc7 42. cxd6 Ne8 43. Nc3 Nxd6 44. h4 Ke7 45. Kc5 Kd7 46. Kb6 Nc4+ 47. Kb5 Nd6+ 48. Kc5 Ke7 49. Kb6 Kd7 50. g3 Nc4+ 51. Kb5 Nd6+ 52. Kc5 Ke7 53. Kb6 Kd7 54. a6 bxa6 55. Kxa6 Ke7 56. Kb6 Kd7 57. Kc5 Nb7+ 58. Kc4 Nd6+ 59. Kd3 Nb7 60. Na4 Kc7 61. Ke3 Kd6 62. Nb6 Ke7 63. Nc4 Kf6 64. Nd2 Nc5 65. Nf3 Nd7 66. Ng5 Ke7 67. Kd3 Kd6 68. Kc4 Kc7 69. Nf7 Nf6 70. Kd3 Nd7 71. Nh8 Nf8 72. Kc4 Kb6 73. Nf7 Nd7 74. Kd3 Kb5 75. Nh8 Nf8 76. Kc3 Kc5 77. Nf7 Nd7 78. Kd3 Kb5 79. Nh8 Nf8 80. Ke3 Kc5 81. Kf3 Kd4 82. d6 Kc5 83. Nxg6 Nd7 84. Ne7 Kxd6 85. Nf5+ Kc6 86. g4 hxg4+ 87. Kxg4 Nf6+ 88. Kg5 Nxe4+ 89. Kg6 Kd7 90. h5 Ke6 91. h6 Nf6 92. Ng3 Ke7 93. Nf5+ Ke6 94. Ng3 Ke7 95. Ne4 Nd7 96. Kg7 Nf8 97. Nc5 Ke8 98. Nd7 e4 99. Nf6+ Ke7 100. Nxe4 Ne6+ 101. Kg8 Nf8 102. Nd6 Nd7 103. Kg7 Nf8 104. Ne4 Ne6+ 105. Kg8 Nf8 106. Ng5 Nd7 107. Kg7 Nf8 108. Nf3 Ne6+ 109. Kg8 Nf8 110. Nh4 Ke8 111. Nf5 Nd7 112. Kg7 Nf8 113. Nh4 Ne6+ 114. Kf6 Nf8 115. Ng6 Nh7+ 116. Kg7 Ng5 117. Nf4 Nf7 118. h7 Ke7 119. Ng6+ Ke6 120. Ne5 1-0

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.07"]
[Round "12"]
[White "De la Vega, Hector"]
[Black "Garcia, Raimundo"]
[Result "0-1"]
[ECO "B81"]
[PlyCount "56"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 a6 7. g5 Nfd7 8. f4 b5 9. a3 Nb6 10. Be3 Bb7 11. Qg4 N8d7 12. Rg1 g6 13. 0-0-0 Rc8 14. Nxe6 fxe6 15. Bd4 e5 16. fxe5 Bg7 17. exd6 0-0 18. e5 Bf3 19. Qe6+ Kh8 20. Re1 Re8 21. Qh3 Nxe5 22. Rxe5 Bxe5 23. Bxe5+ Rxe5 24. Qxf3 Qxd6 25. Bd3 Rf8 26. Qb7 Nd5 27. Nxd5 Rxd5 28. h4 Rxd3 0-1

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.06"]
[Round "11"]
[White "Grinberg, Ricardo"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C67"]
[PlyCount "82"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nc3 0-0 10. Rd1 Qe8 11. Re1 Nc5 12. Nd4 Ne6 13. Be3 d5 14. Na4 f6 15. Nxe6 Bxe6 16. Bd4 Bf5 17. exf6 Bxf6 18. Bxf6 gxf6 19. Qxe8 Rfxe8 20. c3 Re5 21. Nc5 Rb8 22. b3 Kf7 23. f4 Re7 24. Rxe7+ Kxe7 25. Re1+ Kd6 26. b4 a5 27. a3 axb4 28. axb4 Ra8 29. Nb7+ Kd7 30. Nc5+ Kd6 31. Nb7+ Kd7 32. Nc5+ Kd6 33. Kf2 Ra2+ 34. Re2 Ra3 35. Re3 Ra8 36. Nb7+ Kd7 37. h3 h5 38. Nc5+ Kd6 39. Nb7+ Kd7 40. Kf3 h4 41. Nc5+ Kd6 1/2-1/2

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.03"]
[Round "10"]
[White "De la Vega, Hector"]
[Black "Colussi, Adriano"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "92"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 c5 6. Bb5+ Kf8 7. dxc5 a6 8. Be2 Qa5 9. cxd6 Nxe4 10. dxe7+ Kxe7 11. 0-0 Nxc3 12. bxc3 Rd8 13. Bd3 Kf8 14. Ne5 Qxc3 15. Qf3 Nc6 16. Rb1 Be6 17. Rxb7 Bd5 18. Qf2 Nb4 19. Bd2 Nxd3 20. cxd3 Qc8 21. Rbb1 Kg8 22. Ba5 Re8 23. Rfc1 Qf5 24. Rc5 Bxe5 25. Rxd5 Qxf4 26. Qxf4 Bxf4 27. g3 Re5 28. Rxe5 Bxe5 29. Kg2 Rc8 30. Rd1 Bd4 31. Kf3 Rc5 32. Be1 f5 33. Rd2 Kf7 34. Bf2 Bxf2 35. Rxf2 Ra5 36. Rb2 Ke6 37. Kf4 Ra4+ 38. Kg5 Rg4+ 39. Kh6 f4 40. gxf4 Rxf4 41. Kxh7 Kf5 42. Rd2 Kf6 43. Kg8 Rd4 44. Rf2+ Kg5 45. Rf3 Ra4 46. Rf2 Rd4 1/2-1/2

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.05.02"]
[Round "9"]
[White "Sabao, Raimundo"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "70"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Bg7 7. 0-0 0-0 8. d3 Nc6 9. Be3 h6 10. Rc1 e5 11. a3 Nd4 12. Ne4 a5 13. Nc5 c6 14. Bd2 Re8 15. e3 Ne6 16. b4 axb4 17. axb4 Nxc5 18. bxc5 Nd5 19. Qb3 Nc7 20. d4 exd4 21. Nxd4 Ne6 22. Nf3 Qe7 23. Bb4 Nc7 24. Bc3 Bxc3 25. Qxc3 Nb5 26. Qb4 Rd8 27. Qf4 Kg7 28. Nd4 Nxd4 29. exd4 Be6 30. Rb1 Ra4 31. Rfd1 Bf5 32. Ra1 Rdxd4 33. Qb8 Qe2 34. Bf1 Rxd1 35. Rxd1 Qxd1 0-1

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.30"]
[Round "8"]
[White "De la Vega, Hector"]
[Black "Bronstein, Luis Marcos"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "55"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[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 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. f5 Nc6 11. 0-0-0 Nxd4 12. Rxd4 Bd7 13. Kb1 exf5 14. exf5 Bc6 15. Qh3 0-0 16. Be2 Rfe8 17. Rhd1 d5 18. Bf3 Rac8 19. g4 Ne4 20. Bxe4 Bxh4 21. Qxh4 dxe4 22. f6 Qe5 23. fxg7 Qxg7 24. Rd6 e3 25. Rxh6 Bf3 26. Re1 Bxg4 27. Nd5 Rc6 28. Rxc6 1-0

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.29"]
[Round "7"]
[White "Aparicio, Anibal"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "C95"]
[PlyCount "113"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 Bg7 17. Qc1 Kh7 18. h4 Re7 19. h5 Qe8 20. d5 c6 21. dxc6 Bxc6 22. Nh4 Nf8 23. Re3 Bd7 24. Rd3 Qb8 25. f4 exf4 26. Bxf4 Ng4 27. hxg6+ fxg6 28. Nf3 Qb6+ 29. Be3 Nxe3 30. Qxe3 Qxe3+ 31. Rxe3 Bg4 32. Rd1 Be5 33. Ne2 Bxf3 34. Rxf3 Ne6 35. Nd4 Ng5 36. Rff1 Rc8 37. a3 h5 38. Kh1 Kg7 39. Nf3 Nxf3 40. Rxf3 Rf8 41. Rxf8 Kxf8 42. Bb3 Kg7 43. Bd5 Kh6 44. a4 bxa4 45. Ra1 Re8 46. Rxa4 Rf8 47. Kg1 Bf4 48. Rxa6 Be3+ 49. Kh2 Rf2 50. b4 Bf4+ 51. Kg1 Rb2 52. Ra2 Rxa2 53. Bxa2 Bd2 54. b5 Bxc3 55. Kf2 Bd4+ 56. Kf3 Kg7 57. g4 1/2-1/2

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.27"]
[Round "6"]
[White "De la Vega, Hector"]
[Black "Martinez, Carlos Alejandro"]
[Result "1-0"]
[ECO "B97"]
[PlyCount "143"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[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 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Qe3+ 9. Qe2 Qxe2+ 10. Bxe2 Nc6 11. 0-0-0 Bd7 12. Bxf6 gxf6 13. Na4 0-0-0 14. Nb6+ Kc7 15. Nxd7 Rxd7 16. Kb1 h5 17. Rhf1 Rh6 18. Rf3 h4 19. Rh3 Ne7 20. Rc3+ Kb6 21. f5 Nc6 22. Bg4 e5 23. Nc5 Rc7 24. Na4+ Ka7 25. Rcd3 Nb4 26. Rc3 Rxc3 27. Nxc3 Be7 28. Be2 Rh7 29. a3 Nc6 30. Nd5 Bd8 31. c3 Rg7 32. Bf3 Kb8 33. b4 Kc8 34. Kc2 Kd7 35. a4 Rg8 36. a5 Na7 37. Kd3 Nb5 38. Rd2 Nc7 39. Nb6+ Kc6 40. Bd1 Ne8 41. Ba4+ Kc7 42. Nd5+ Kc8 43. Bxe8 Rxe8 44. Ke2 Kd7 45. Kf3 Rg8 46. Rd1 Kc6 47. c4 Rg5 48. Rh1 Rg8 49. g3 h3 50. Ra1 Rg5 51. Ne3 Be7 52. g4 Rg8 53. Kg3 Rh8 54. Nd1 Bf8 55. Nf2 Bh6 56. Nxh3 Be3 57. Rd1 Rh7 58. Rd3 Bc1 59. Kg2 Rh8 60. Ng1 Bf4 61. h3 Rb8 62. Ne2 Bh6 63. Nc3 Bg5 64. Nd5 Rd8 65. Kf1 Ra8 66. Ke2 Rh8 67. Kd1 Ra8 68. Kc2 Bh4 69. Kb3 Rh8 70. Ka4 Bg5 71. b5+ Kc5 72. Nb6 1-0

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.26"]
[Round "5"]
[White "Sanguineti, Raul"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "113"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 c6 8. Re1 exd4 9. Nxd4 Re8 10. Bf1 Ng4 11. Re2 Qb6 12. Nf3 Ne5 13. Nxe5 dxe5 14. Be3 Qc7 15. Rd2 Qe7 16. Rb1 Na6 17. f3 Nc5 18. b4 Ne6 19. c5 a5 20. a3 axb4 21. axb4 Nd4 22. Bc4 Be6 23. Bxe6 Qxe6 24. Kh1 Qc4 25. Na4 Qe6 26. Nc3 h5 27. Bxd4 exd4 28. Ne2 Red8 29. Nf4 Qc4 30. Rc1 Qxb4 31. Nd3 Qa4 32. Qe2 Re8 33. h3 Qa3 34. Rb1 Ra7 35. Rdb2 Bf8 36. Rxb7 Rxb7 37. Rxb7 Bxc5 38. Qc2 Bd6 39. Qxc6 Qa1+ 40. Qc1 Qxc1+ 41. Nxc1 Rc8 42. Nd3 Rc3 43. e5 Bf8 44. Nf4 Bh6 45. Nd5 Rc5 46. Rd7 Kf8 47. f4 d3 48. g3 Rc8 49. Nf6 h4 50. Kg2 hxg3 51. Kxg3 Bg7 52. Ne4 Ke8 53. e6 fxe6 54. Rxg7 Rc2 55. Nf6+ Kf8 56. Rd7 Rc3 57. Kg4 1-0

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.24"]
[Round "4"]
[White "De la Vega, Hector"]
[Black "Brond, Victor"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "38"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. Bg5 0-0 11. Re1 f6 12. Be3 Ne5 13. Be2 Qc7 14. h3 Kh8 15. Nfd4 a6 16. a4 Bd7 17. c3 Nc4 18. Bc1 Ne5 19. Nd2 Rae8 1/2-1/2

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.23"]
[Round "3"]
[White "Castillo, Carlos"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "79"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bf4 d6 6. e3 c6 7. h3 a6 8. Bd3 b5 9. a3 bxc4 10. Bxc4 a5 11. 0-0 Ba6 12. Bxa6 Nxa6 13. e4 Nd7 14. Qe2 c5 15. dxc5 Naxc5 16. Rfd1 Qb8 17. Rac1 Re8 18. Rc2 Ra7 19. Nd2 Ne6 20. Be3 Nd4 21. Bxd4 Bxd4 22. Nb5 Bf6 23. Nxa7 Qxa7 24. Rdc1 Qb8 25. Qa6 Nc5 26. Qxa5 Bg5 27. Re1 Nd3 28. Rd1 Bf6 29. Nc4 Qb3 30. Qd2 Nc5 31. Re1 Rb8 32. e5 Bg5 33. Qe2 d5 34. Na5 Qb6 35. b4 Ne6 36. Qd1 Rd8 37. g3 d4 38. Qd3 h5 39. Rc6 Qa7 40. Rxe6 1-0

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.21"]
[Round "2"]
[White "De la Vega, Hector"]
[Black "Poch, Cesar Guillermo"]
[Result "1-0"]
[ECO "B81"]
[PlyCount "80"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. g5 hxg5 8. Bxg5 Nc6 9. Qd2 Qb6 10. Nb3 a6 11. 0-0-0 Bd7 12. h4 Rc8 13. Kb1 Na5 14. f3 Nxb3 15. axb3 Bc6 16. Bh3 Qc7 17. Rhe1 Be7 18. Nd5 Bxd5 19. exd5 Nxd5 20. Bxe6 fxe6 21. Rxe6 Nf6 22. Rde1 Kf7 23. Rxe7+ Qxe7 24. Rxe7+ Kxe7 25. Qd3 Rc7 26. Qg6 Ke6 27. c3 Rd7 28. Kc2 Rf8 29. Kd3 Re7 30. h5 Rff7 31. f4 Rf8 32. f5+ Ke5 33. Be3 Kd5 34. Bd4 Ne4 35. b4 Rh8 36. c4+ Kc6 37. Bxg7 Rhe8 38. Bd4 Rf8 39. h6 Rff7 40. f6 Rd7 1-0

[Event "ARG-ch51"]
[Site "Caseros"]
[Date "1974.04.20"]
[Round "1"]
[White "Szmetan, Jorge"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "B52"]
[PlyCount "109"]
[EventDate "1974.04.20"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 e5 6. Nc3 Nc6 7. d3 Be7 8. a3 Nf6 9. Bg5 0-0 10. Bxf6 Bxf6 11. Nd5 Bd8 12. 0-0 Ne7 13. Nxe7+ Bxe7 14. Nd2 Bd8 15. b4 cxb4 16. axb4 Bb6 17. Qb3 Rfe8 18. Qa4 Qxa4 19. Rxa4 g6 20. g3 Rac8 21. Kg2 Kg7 22. g4 Re6 23. Nb1 Bd4 24. Na3 a6 25. b5 Ra8 26. Nc2 Bc5 27. bxa6 bxa6 28. Rfa1 Rf6 29. Ne3 Rb8 30. R1a2 Bxe3 31. fxe3 Rb1 32. Rxa6 Rd1 33. g5 Re6 34. Rf2 Rxd3 35. Ra7 Kg8 36. Ra8+ Kg7 37. Ra7 Kg8 38. Rfxf7 Rxe3 39. Rg7+ Kf8 40. Rxh7 Kg8 41. Rhd7 Kf8 42. Rf7+ Kg8 43. Rg7+ Kh8 44. Rgd7 Re8 45. Rh7+ Kg8 46. Rag7+ Kf8 47. Rxg6 Rxe4 48. h4 Re7 49. Rxe7 Kxe7 50. h5 Rxc4 51. h6 Rh4 52. Kg3 Rh1 53. Rg7+ Kf8 54. Rd7 Ke8 55. Ra7 1-0

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "Adad, Carlos"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "74"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bf5 5. d3 h6 6. Nbd2 e6 7. Qe1 Be7 8. e4 Bh7 9. b3 0-0 10. Bb2 a5 11. a4 Na6 12. Qe2 Nb4 13. Rac1 Re8 14. Ne5 Nd7 15. Nxd7 Qxd7 16. Qg4 Bf8 17. f4 Rad8 18. Qe2 b5 19. axb5 cxb5 20. Nf3 Nc6 21. Ne5 Nxe5 22. Bxe5 d4 23. Qg4 Kh8 24. c3 dxc3 25. Bxc3 b4 26. Ba1 Qxd3 27. Qh5 Kg8 28. Rc7 Bg6 29. Qxa5 Bxe4 30. Bxe4 Qe3+ 31. Rf2 Rd1+ 32. Kg2 Qxe4+ 33. Kh3 Rd5 34. Qa7 Ra8 35. Qxa8 Rh5+ 36. Kg4 Qxa8 37. Be5 g6 0-1

[Event "Zarate op"]
[Site "Zarate"]
[Date "1973.??.??"]
[Round "5"]
[White "De la Vega, Hector"]
[Black "Buj, Pablo"]
[Result "1/2-1/2"]
[ECO "D19"]
[PlyCount "57"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. d4 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Ne4 10. Bd3 Bxc3 11. bxc3 Nxc3 12. Qc2 Bxd3 13. Qxd3 Nd5 14. Rb1 Qc7 15. e4 Ne7 16. e5 h6 17. Ba3 Rd8 18. Bd6 Qd7 19. Nd2 Nf5 20. Ne4 Na6 21. g4 Nxd6 22. Nxd6 Rab8 23. f4 Nc7 24. Rbd1 Ne8 25. Ne4 f5 26. gxf5 exf5 27. Ng3 g6 28. Rf2 Ng7 29. Nf1 1/2-1/2

[Event "Zarate op"]
[Site "Zarate"]
[Date "1973.??.??"]
[Round "6"]
[White "De la Vega, Hector"]
[Black "D'Agostino, Cayetano"]
[Result "1-0"]
[ECO "B56"]
[PlyCount "41"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[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 Nbd7 6. Be3 Qc7 7. Be2 a6 8. 0-0 e6 9. f4 b5 10. a3 Be7 11. Nb3 0-0 12. Bd3 Re8 13. g4 Nb6 14. g5 Nfd7 15. Qh5 Qd8 16. Rf3 Nf8 17. Raf1 Nbd7 18. Rh3 h6 19. Rg3 hxg5 20. Rh3 Ng6 21. Qh7+ 1-0

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Malbran, Guillermo"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "87"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Be3 e6 6. Qg4 Nd7 7. Nf3 f6 8. Qxe6+ Be7 9. Qxd5 Nxe5 10. Qxd8+ Bxd8 11. Nxe5 fxe5 12. Bc4 Be7 13. 0-0-0 Bd7 14. Bf7+ Kxf7 15. Rxd7 Rac8 16. Bc5 Rhe8 17. Re1 Ke6 18. Rxe7+ Rxe7 19. Bxe7 Kxe7 20. Rxe5+ Kf6 21. Rd5 Ke6 22. c4 Rf8 23. f3 b6 24. Kd2 c6 25. Rd4 Rf7 26. Ke3 g6 27. g4 g5 28. f4 gxf4+ 29. Rxf4 Rg7 30. h4 h6 31. Kf3 c5 32. Rf5 Rg6 33. Kf4 Rg7 34. g5 hxg5+ 35. hxg5 Rh7 36. Rf6+ Ke7 37. Rh6 Rg7 38. Kf5 Rf7+ 39. Ke5 Rf2 40. Rh7+ Kf8 41. Rxa7 Rxc2 42. b3 Re2+ 43. Kd5 Rg2 44. Kc6 1-0

[Event "Zarate op"]
[Site "Zarate"]
[Date "1973.??.??"]
[Round "8"]
[White "De la Vega, Hector"]
[Black "Pina, Victor"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "125"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[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. Qxd4 Bd7 5. c4 Nc6 6. Qd2 g6 7. b3 Nf6 8. Nc3 Bg7 9. Bb2 0-0 10. Be2 a6 11. Rb1 Qa5 12. a3 Bg4 13. 0-0 Rac8 14. Rfd1 Qb6 15. Ba1 Qa5 16. Bb2 Qb6 17. Na4 Qc7 18. Qe3 Nd7 19. Bxg7 Kxg7 20. Ne1 Bxe2 21. Qxe2 Qa5 22. Rd5 Qc7 23. Qb2+ Kg8 24. Nc3 Nf6 25. Rd3 Ne5 26. Rh3 Qc6 27. Nd5 Nxd5 28. exd5 Qc5 29. Nd3 Nxd3 30. Rxd3 b5 31. Rc1 bxc4 32. Rxc4 Qb5 33. a4 Qb6 34. Qc3 Rxc4 35. Qxc4 Qc5 36. Qxc5 dxc5 37. Rc3 Rb8 38. Kf1 Kg7 39. Ke2 Kf6 40. f4 Kf5 41. Kd3 Kxf4 42. Kc4 Ke5 43. Rf3 Kd6 44. Rxf7 Rb4+ 45. Kc3 Rd4 46. Rxh7 Rxd5 47. Rg7 Rg5 48. g3 Kd7 49. Kc4 Kd6 50. Rg8 Kc6 51. Rc8+ Kb6 52. a5+ Kxa5 53. Rxc5+ Rxc5+ 54. Kxc5 e5 55. h4 e4 56. Kd4 Kb4 57. g4 a5 58. h5 gxh5 59. gxh5 Kxb3 60. h6 a4 61. h7 a3 62. h8Q a2 63. Kxe4 1-0

[Event "Zarate op"]
[Site "Zarate"]
[Date "1973.??.??"]
[Round "2"]
[White "De la Vega, Hector"]
[Black "Piscicelli, Daniel Orlando"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "85"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[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 a6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. f4 Nf6 9. f5 Bc5+ 10. Kh1 b5 11. a4 Bb7 12. Qe2 h6 13. Nd2 0-0 14. g4 Nh7 15. Nf3 Re8 16. h4 f6 17. Be3 Qe7 18. Rg1 Bxe3 19. Qxe3 Red8 20. g5 hxg5 21. hxg5 fxg5 22. Nxg5 Nxg5 23. Rxg5 Rd6 24. Rg4 Qf6 25. Qg3 Qh6+ 26. Kg1 Re8 27. Rf1 Re7 28. Rg5 Kf8 29. Rf2 Qh8 30. Kf1 Rh6 31. Ke2 Ba8 32. Qe3 Rh2 33. Rg6 Qh5+ 34. Kd2 Rd7 35. Kc3 Rd4 36. axb5 axb5 37. Rxh2 Qxh2 38. f6 gxf6 39. Rxf6+ Ke8 40. Qg5 Rxd3+ 41. cxd3 b4+ 42. Kb3 Qh8 43. Qxe5+ 1-0

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Steinbaum, Fernando"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "47"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 e6 5. Qg4 Nc6 6. Nf3 f5 7. Qg3 b6 8. Bf4 Bb7 9. 0-0-0 Qe7 10. Be2 Qf7 11. Ng5 Qg8 12. Rxd7 Kxd7 13. Rd1+ Ke8 14. Bc4 Nd8 15. Rxd8+ Rxd8 16. Bxe6 h6 17. Bxg8 hxg5 18. Qxg5 Rxg8 19. Qg6+ Kd7 20. Qf7+ Kc8 21. Qxg8 Bd5 22. Qh7 Bxg2 23. Qxf5+ Kb7 24. Qg5 1-0

[Event "Zarate op"]
[Site "Zarate"]
[Date "1973.??.??"]
[Round "4"]
[White "Garcia Palermo, Carlos H"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "E73"]
[PlyCount "97"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Bf4 Nc6 8. Nf3 e5 9. dxe5 Nh5 10. Be3 dxe5 11. Qxd8 Rxd8 12. Nd5 Rd7 13. 0-0-0 Nd4 14. Nxd4 exd4 15. Bxd4 Bxd4 16. Rxd4 c6 17. Bxh5 cxd5 18. Bg4 f5 19. exf5 Rc7 20. fxg6 Bxg4 21. Rxg4 Re8 22. Rd1 dxc4 23. Kc2 b5 24. Rgd4 Kg7 25. Rd6 b4 26. f4 c3 27. Rd7+ Rxd7 28. Rxd7+ Kxg6 29. bxc3 bxc3 30. Kxc3 Re2 31. Rd2 Re3+ 32. Kd4 Ra3 33. Rf2 h5 34. g3 Kf5 35. Kc4 Ra6 36. Kb5 Rb6+ 37. Ka5 h4 38. gxh4 Rh6 39. a4 Rxh4 40. Ka6 Rh7 41. a5 Rd7 42. h4 Rh7 43. h5 Re7 44. Rf1 Rh7 45. h6 Rd7 46. Rg1 Kxf4 47. Rg7 Rd6+ 48. Kxa7 Rxh6 49. a6 1-0

[Event "Zarate op"]
[Site "Zarate"]
[Date "1973.??.??"]
[Round "7"]
[White "Gil, Ricardo"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "A58"]
[PlyCount "88"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. c4 b5 5. cxb5 a6 6. bxa6 Bxa6 7. Nc3 d6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Nbd7 11. Re1 Qc7 12. h3 Rfb8 13. e4 Ne8 14. Bf1 Qb7 15. Bxa6 Rxa6 16. Qc2 Nc7 17. Nd2 Nb6 18. b3 Nb5 19. Bb2 Nd4 20. Qd3 Rba8 21. Kg2 Nd7 22. Nc4 Ne5 23. Nxe5 Bxe5 24. f4 Bg7 25. Rab1 Rb6 26. Ba1 Rb4 27. Qd2 Ra6 28. Ne2 Nxe2 29. Qxe2 Bxa1 30. Rxa1 c4 31. Rad1 cxb3 32. axb3 Rxb3 33. Rd2 Raa3 34. Qf2 Qb4 35. Rde2 Qc3 36. Re3 Qxe3 37. Rxe3 Rxe3 38. e5 dxe5 39. fxe5 Rxe5 40. Qb2 Ree3 41. Qb8+ Kg7 42. Qb2+ f6 43. Qb7 Rad3 44. Kf2 Re5 0-1

[Event "Zarate op"]
[Site "Zarate"]
[Date "1973.??.??"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "26"]
[EventDate "1973.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Be2 Be6 12. Ne5 c5 13. 0-0 Nd7 1/2-1/2

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.28"]
[Round "4"]
[White "De la Vega, Hector"]
[Black "Leskovar, Mario Leopoldo"]
[Result "0-1"]
[ECO "D33"]
[PlyCount "154"]
[EventDate "1972.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Bc5 7. Nb3 Bb4 8. Bg2 0-0 9. 0-0 Bxc3 10. bxc3 d5 11. cxd5 exd5 12. Bg5 Re8 13. Rc1 Bg4 14. Re1 Re5 15. Bf4 Re8 16. Rc2 Qb6 17. Bg5 Bf5 18. Bxf6 Bxc2 19. Qxc2 gxf6 20. Bxd5 Rad8 21. Be4 Kg7 22. Bxh7 Ne5 23. Be4 f5 24. Bg2 f4 25. Nd4 fxg3 26. hxg3 Rc8 27. Nf5+ Kf8 28. Qd2 Rcd8 29. Qf4 Nd3 30. exd3 Rxe1+ 31. Kh2 Qf6 32. Qb4+ Kg8 33. Qg4+ Qg6 34. Qh4 Rxd3 35. Be4 Rxe4 36. Qxe4 Qh5+ 37. Nh4 Rxc3 38. Qxb7 Rc2 39. Qa8+ Kg7 40. Qxa7 Qd5 41. a3 Rc1 42. f3 Rc2+ 43. Kh3 Qe6+ 44. g4 Qe5 45. Qg1 Ra2 46. Qg3 Qa1 47. g5 Rxa3 48. Nf5+ Kg6 49. Nh4+ Kg7 50. Nf5+ Kg8 51. Nh4 Qh1+ 52. Kg4 Ra4+ 53. Kh5 Qb1 54. g6 Qb5+ 55. Qg5 Qxg5+ 56. Kxg5 f6+ 57. Kh5 Rf4 58. Ng2 Rxf3 59. Kg4 Rf2 60. Nf4 Kg7 61. Kh5 Rh2+ 62. Kg4 Rh1 63. Kf5 Rf1 64. Kg4 Re1 65. Kf5 Re5+ 66. Kg4 Kh6 67. Kg3 Kg5 68. g7 Re8 69. Ne6+ Kg6 70. Kf4 Kf7 71. Kf5 Rg8 72. Nf4 Rxg7 73. Ke4 Rg5 74. Ke3 Ke7 75. Ke4 Kd6 76. Ne2 Re5+ 77. Kf3 Kd5 0-1

[Event "Mar del Plata International Open-04"]
[Site "Mar del Plata"]
[Date "1971.04.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Donoso Velasco, Pedro H"]
[Result "0-1"]
[ECO "D59"]
[PlyCount "48"]
[EventDate "1971.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[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 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Bd3 c5 12. dxc5 bxc5 13. 0-0 Be6 14. e4 d4 15. Nd2 Nc6 16. f4 Nb4 17. Bb1 c4 18. f5 c3 19. bxc3 dxc3 20. fxe6 Rad8 21. a3 Rxd2 22. Qe1 Qg5 23. g3 Qc5+ 24. Kh1 Qh5 0-1

[Event "Mar del Plata International Open-04"]
[Site "Mar del Plata"]
[Date "1971.04.??"]
[Round "?"]
[White "De la Vega, Hector"]
[Black "Rossetto, Hector"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "55"]
[EventDate "1971.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 d6 4. d4 Nd7 5. e4 e5 6. Be2 Ne7 7. 0-0 0-0 8. Re1 exd4 9. Nxd4 Nc6 10. Be3 Re8 11. Qd2 Nxd4 12. Bxd4 Ne5 13. Rad1 Be6 14. b3 Nc6 15. Bxg7 Kxg7 16. f4 f6 17. Nd5 a5 18. Bf3 Qb8 19. Qc3 Bxd5 20. cxd5 Nb4 21. a3 Na6 22. e5 Qa7+ 23. Kh1 fxe5 24. fxe5 Qc5 25. Qb2 Rxe5 26. Rxe5 dxe5 27. Qxe5+ Kh6 28. g4 1-0

[Event "Mar del Plata International Open-04"]
[Site "Mar del Plata"]
[Date "1971.04.??"]
[Round "?"]
[White "Palermo, Vicente"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "64"]
[EventDate "1971.04.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. e3 b6 6. c3 Bb7 7. Bc4 0-0 8. 0-0 d6 9. Qe2 Nc6 10. Rfd1 Qc7 11. h3 Rad8 12. a4 h6 13. Bh4 Na5 14. Bb5 Nd5 15. Bg3 e5 16. dxe5 dxe5 17. Nc4 Nxc4 18. Bxc4 Ne7 19. e4 Nc6 20. Bd5 Qe7 21. Rd2 Na5 22. Rad1 Kh7 23. Bxb7 Nxb7 24. Rd5 Rxd5 25. Rxd5 Rd8 26. Qd3 f6 27. Ne1 Rxd5 28. Qxd5 Nd6 29. Nc2 Bf8 30. f3 Qb7 31. Ne3 Qxd5 32. Nxd5 Kg7 1/2-1/2

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.28"]
[Round "8"]
[White "Wexler, Bernardo"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "A39"]
[PlyCount "99"]
[EventDate "1970.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 0-0 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd3 Bf5 11. e4 Be6 12. b3 Rb8 13. Bb2 Qa5 14. Nb5 a6 15. Bc3 Qd8 16. Nd4 Bd7 17. h3 b5 18. cxb5 axb5 19. Qd2 Qc8 20. g4 Qc5 21. Rac1 b4 22. Ba1 Qb6 23. Rc4 Rfc8 24. Rfc1 Rc5 25. Rxc5 dxc5 26. e5 Ne8 27. Nf5 Bxf5 28. gxf5 gxf5 29. Qc2 Bh6 30. Rd1 Rd8 31. Bb2 Rxd1+ 32. Qxd1 Ng7 33. Qd7 Ne6 34. Qxe7 Nf4 35. Qd6 Qxd6 36. exd6 Bg5 37. Bf1 Ne6 38. a4 bxa3 39. Bxa3 Bf4 40. d7 Kf8 41. Bxc5+ Kg7 42. Bc4 Nd8 43. Be7 Bc7 44. Bd5 f4 45. Kf1 f6 46. Ke2 h6 47. Kd3 Kg6 48. Kc4 Kf5 49. Kc5 Ke5 50. b4 1-0

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.27"]
[Round "7"]
[White "Rubinetti, Jorge Alberto"]
[Black "De la Vega, Hector"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "93"]
[EventDate "1970.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. b3 c5 2. c4 Nc6 3. Bb2 Nf6 4. Nf3 e6 5. g3 b6 6. Bg2 Bb7 7. 0-0 Be7 8. e3 0-0 9. Qe2 d5 10. d3 d4 11. exd4 Nxd4 12. Nxd4 Bxg2 13. Kxg2 cxd4 14. Nd2 Bc5 15. Nf3 Re8 16. Ne5 Qd6 17. a3 a5 18. f4 b5 19. cxb5 Qd5+ 20. Kh3 Qxb3 21. a4 Qd5 22. Rac1 Bb6 23. Rc4 Nd7 24. Nxd7 Qxd7 25. Rc6 e5+ 26. f5 Rab8 27. Qe4 f6 28. Rfc1 Qf7 29. R1c4 Qh5+ 30. Kg2 Qd1 31. Rc2 Qb1 32. h4 h5 33. Qd5+ Kh7 34. Qe4 Qd1 35. Bc1 Qg4 36. Qxg4 hxg4 37. Re6 Rxe6 38. fxe6 g6 39. Rc6 Kg7 40. Ba3 f5 41. Bd6 Rb7 42. Bxe5+ Kf8 43. Bd6+ Kg7 44. e7 Kf7 45. Rc8 Rxe7 46. Bxe7 Kxe7 47. Rc6 1-0

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.25"]
[Round "5"]
[White "Schmid, Lothar"]
[Black "De la Vega, Hector"]
[Result "1/2-1/2"]
[ECO "B36"]
[PlyCount "58"]
[EventDate "1970.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[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 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be2 Bg7 9. Bg5 0-0 10. 0-0 Be6 11. Qd3 Nd7 12. Qd2 Nc5 13. f3 a5 14. Kh1 Re8 15. Nd5 Bxd5 16. exd5 Qb6 17. Rab1 Qb4 18. Qc2 e6 19. Rfd1 exd5 20. Rxd5 Re5 21. Rxe5 Bxe5 22. Bd2 Qb6 23. f4 Bg7 24. f5 Re8 25. Bf3 Nd7 26. Qa4 Qd8 27. fxg6 hxg6 28. Qxa5 Qh4 29. Qg5 Qxc4 1/2-1/2

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.24"]
[Round "4"]
[White "De la Vega, Hector"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D16"]
[PlyCount "103"]
[EventDate "1970.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 e6 6. e3 Bb4 7. Bxc4 b6 8. 0-0 Ba6 9. Qe2 Bxc4 10. Qxc4 Qe7 11. Ne5 0-0 12. Nxc6 Nxc6 13. Qxc6 Rfc8 14. Qf3 Bxc3 15. bxc3 Nd5 16. Bd2 Qf6 17. Qxf6 gxf6 18. Ra3 f5 19. Rb1 Rc4 20. Kf1 Rac8 21. Rbb3 a6 22. Ke2 R8c6 23. Kd3 Kg7 24. f3 Kg6 25. e4 fxe4+ 26. fxe4 Nf6 27. h3 Nd7 28. Rb4 Rxb4 29. cxb4 Rd6 30. b5 axb5 31. axb5 e5 32. d5 f5 33. exf5+ Kxf5 34. g4+ Kg6 35. Kc4 Nf6 36. Rd3 h5 37. Bc3 Nd7 38. Re3 hxg4 39. hxg4 Kf7 40. Rf3+ Rf6 41. Rxf6+ Nxf6 42. Bxe5 Nxg4 43. Bd4 Ke7 44. Bxb6 Kd7 45. Bd4 Nh6 46. Kc5 Nf7 47. b6 Nd8 48. Be5 Nb7+ 49. Kb5 Kc8 50. Bc7 Kd7 51. Ka6 Nc5+ 52. Ka7 1-0

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.22"]
[Round "2"]
[White "Pelikan, Jorge"]
[Black "De la Vega, Hector"]
[Result "0-1"]
[ECO "A58"]
[PlyCount "74"]
[EventDate "1970.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 b5 6. cxb5 Bg7 7. Nf3 0-0 8. Be2 a6 9. bxa6 Bxa6 10. 0-0 Nbd7 11. Nd2 Ne5 12. Bxa6 Rxa6 13. Qe2 Qa8 14. a3 Rb8 15. f4 Ned7 16. Qf3 Nb6 17. f5 Na4 18. fxg6 hxg6 19. g4 Rc8 20. Nc4 Nxc3 21. bxc3 Qb7 22. Bf4 Ra4 23. Nd2 Nd7 24. Ra2 Qa6 25. Nb1 Qc4 26. Re2 Ne5 27. Bxe5 Bxe5 28. h4 e6 29. dxe6 Qxe6 30. h5 Kg7 31. hxg6 Qxg6 32. Qf5 Rh8 33. Qxg6+ Kxg6 34. Rff2 Rh4 35. Rg2 Kg5 36. Nd2 Rh3 37. Ref2 Kg6 0-1

