[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "2"]
[White "Barbero, Gerardo F"]
[Black "Vernales, Gustavo"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "45"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 fxe6 8. d3 0-0 9. 0-0 d6 10. Bg5 h6 11. Bh4 g5 12. Bf2 Ng6 13. h3 Qe7 14. Qd2 Kh7 15. Rae1 Bd7 16. Nd1 Nd4 17. Nxd4 cxd4 18. c3 e5 19. Bd5 g4 20. hxg4 Bxg4 21. Bg3 Bf6 22. cxd4 exd4 23. Qb4 1/2-1/2

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "4"]
[White "Gasparini, Jose"]
[Black "Vernales, Gustavo"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "93"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Nc3 dxe5 8. dxe5 Nxc3 9. Qxd8+ Kxd8 10. bxc3 Ke8 11. Rb1 e6 12. Be3 b6 13. Bb5 Bd7 14. 0-0 Be7 15. Rfd1 Rd8 16. Rxd7 Kxd7 17. Nd4 Rc8 18. Rd1 Kc7 19. Nxc6 Bc5 20. Nd4 Kb7 21. Be2 Bxd4 22. Bxd4 Rhd8 23. Rb1 Kc7 24. Ba6 Rb8 25. Rb4 Rd5 26. Rc4+ Kd7 27. a4 Kd8 28. Rc6 Rd7 29. g3 Rc7 30. Rxc7 Kxc7 31. Kf1 Rd8 32. Bc4 Kd7 33. Ke2 Rc8 34. Ba6 Rc7 35. Kd3 Ke7 36. Bb5 f5 37. h4 Kf7 38. Kc2 Ke7 39. Kb3 Kd8 40. Bc4 Kd7 41. Kb4 g6 42. Bb3 Rc6 43. Kb5 Kc7 44. Bd1 Kd7 45. Bf3 Rc7 46. Ka6 Ke7 47. Bb7 1-0

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "8"]
[White "Mahia, Gustavo"]
[Black "Vernales, Gustavo"]
[Result "1-0"]
[ECO "C82"]
[PlyCount "81"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 0-0 11. Qe2 Bf5 12. a4 b4 13. Nxe4 dxe4 14. Ng5 Nxe5 15. Nxe4 Qd3 16. Qxd3 Nxd3 17. Nxc5 Nxc5 18. Bc4 bxc3 19. bxc3 Be6 20. Bxe6 Nxe6 21. Ba3 Rfd8 22. Rfd1 Rab8 23. g3 Rxd1+ 24. Rxd1 Rb3 25. Bb4 c5 26. Bxc5 Rxc3 27. Bb6 Ra3 28. a5 g6 29. Rd7 Rc3 30. Ra7 Nc5 31. Ra8+ Kg7 32. Rc8 Rc1+ 33. Kg2 Nd3 34. Rxc1 Nxc1 35. Kf3 Kf6 36. Ke4 Ke6 37. Kd4 Kd6 38. Kc4 Ne2 39. f4 h5 40. Be3 h4 41. gxh4 1-0

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "9"]
[White "Ochoa, Mario"]
[Black "Vernales, Gustavo"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "33"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 d6 5. d4 0-0 6. e3 Nbd7 7. Qc2 Re8 8. Nc3 e5 9. dxe5 dxe5 10. Rd1 c6 11. Be2 e4 12. Ng5 Qe7 13. Rd4 c5 14. Rd2 Nf8 15. h4 h6 16. Nh3 Bxh3 17. Rxh3 1/2-1/2

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "6"]
[White "Peiro, Sergio F"]
[Black "Vernales, Gustavo"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "135"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 b5 7. a3 Bb7 8. Be3 Nf6 9. f3 d6 10. 0-0 Be7 11. Qe1 0-0 12. Rd1 Nbd7 13. Nb3 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Nd4 Rfd8 17. Qf2 Nf6 18. c3 Bb7 19. Bg5 Ne4 20. fxe4 Bxg5 21. Bg4 Re8 22. e5 Rad8 23. Nxe6 fxe6 24. Rxd8 Qxd8 25. Qf7+ Kh8 26. Qxb7 Rf8 27. Rxf8+ Qxf8 28. Bf3 h6 29. Qc6 Bf4 30. Qxe6 Qc5+ 31. Kf1 Qxe5 32. Qxa6 Bc1 33. Qa8+ Kh7 34. Be4+ g6 35. Qb7+ Kh8 36. Qc8+ Kg7 37. Qd7+ Kf6 38. Qd8+ Kg7 39. Qd7+ Kf6 40. Qc6+ Qe6 41. Qxe6+ Kxe6 42. Bxg6 Bxb2 43. Bd3 Bxc3 44. Bxb5 Be5 45. h3 Bd6 46. a4 Ke5 47. Ke2 Bb4 48. Kf3 Bd2 49. Kg4 Kf6 50. Kh5 Kg7 51. Kg4 Ba5 52. Kf5 Kf7 53. Ke5 Ke7 54. Kd5 Kd8 55. Kc6 Kc8 56. Be2 Bd2 57. Kb5 Kc7 58. a5 Be3 59. a6 Kd6 60. Kc4 Ke5 61. g4 Kf6 62. Kd5 Kf7 63. Bf3 Kg8 64. Kc6 Kf8 65. h4 Kg8 66. Kd7 Bf2 67. g5 Bxh4 68. gxh6 1-0

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "1"]
[White "Vernales, Gustavo"]
[Black "Braga, Fernando Alberto"]
[Result "0-1"]
[ECO "E98"]
[PlyCount "66"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. f3 f5 11. g4 f4 12. Nd3 g5 13. c5 h5 14. h3 Ng6 15. Bd2 Rf7 16. a4 Bf8 17. cxd6 cxd6 18. Be1 hxg4 19. hxg4 Nf6 20. Rf2 Bd7 21. Rh2 Be7 22. Bf2 Nh4 23. Ne1 Qf8 24. Ng2 Ng6 25. Ne1 Rh7 26. Rxh7 Kxh7 27. Nd3 Qh6 28. Qf1 Nh4 29. Qh3 Kg7 30. Bxh4 Rh8 31. Kg2 Qg6 32. Kf2 Rxh4 33. Qg2 Qh7 0-1

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "3"]
[White "Vernales, Gustavo"]
[Black "Daguer, Jose"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "101"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bc5 5. Nxe5 Bxf2+ 6. Kxf2 Nxe5 7. e4 c5 8. Be2 d6 9. Kg2 Be6 10. d3 Qd7 11. h3 h6 12. Bf4 a6 13. d4 cxd4 14. Qxd4 0-0 15. c5 Qc6 16. Qxd6 Qxd6 17. cxd6 Nfd7 18. g4 b5 19. b3 Rac8 20. Rac1 Rc6 21. Rhd1 Rfc8 22. Nd5 Bxd5 23. exd5 Rxc1 24. Rxc1 Rxc1 25. Bxc1 Kf8 26. a4 bxa4 27. bxa4 Nc5 28. Ba3 Ned7 29. a5 Ke8 30. Bb4 Kd8 31. Kf3 Kc8 32. Ke3 Kb7 33. Bd1 Kc8 34. Kd4 Nb7 35. Ba4 f6 36. Bd1 Nb8 37. h4 g6 38. Bc2 Kd7 39. Ba4+ Kc8 40. Be8 g5 41. hxg5 fxg5 42. Bg6 Nd7 43. Bd3 Nb8 44. Ke5 Kd7 45. Bf5+ Ke8 46. Kf6 Nd7+ 47. Bxd7+ Kxd7 48. Kg6 Ke8 49. Kxh6 Kf7 50. Kxg5 Nd8 51. d7 1-0

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "5"]
[White "Vernales, Gustavo"]
[Black "Roncarolo, Nestor"]
[Result "0-1"]
[ECO "C27"]
[PlyCount "85"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 d6 5. Na4 Nbd7 6. Bg5 h6 7. Bh4 c6 8. Nxc5 Nxc5 9. Qd2 Nfxe4 10. Bxd8 Nxd2 11. Kxd2 Kxd8 12. b4 Ne6 13. Ne2 d5 14. Bb3 a5 15. a3 Nc7 16. f4 exf4 17. Nxf4 g5 18. Nh5 Be6 19. Rhf1 a4 20. Ba2 Nb5 21. Ng7 Ke7 22. Nxe6 fxe6 23. c4 Nc7 24. cxd5 cxd5 25. Rac1 Nb5 26. Rc5 Nd6 27. Rc7+ Ke8 28. Re1 Kd8 29. Rg7 Ra6 30. Kd1 Nb5 31. Rxb7 Nc3+ 32. Kd2 Kc8 33. Rf7 Nxa2 34. Ra1 Nxb4 35. axb4 Kb8 36. b5 Ra5 37. Re7 Rc8 38. Rxe6 Rc5 39. Rxh6 Rcxb5 40. Rc6 Kb7 41. Rc3 Kb6 42. Ra2 Rb4 43. Rc8 0-1

[Event "ARG U20-ch"]
[Site "Tucuman"]
[Date "1977.??.??"]
[Round "7"]
[White "Vernales, Gustavo"]
[Black "Zarlenga, Marcelo"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "97"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Qc7 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 a6 6. 0-0 d6 7. c4 e6 8. Nc3 Be7 9. Be3 0-0 10. f4 Nbd7 11. Rc1 b6 12. Bb1 Rd8 13. Kh1 Nf8 14. Qe2 Ng6 15. f5 Ne5 16. b3 Bd7 17. Qe1 Qb7 18. a4 Nc6 19. fxe6 fxe6 20. Qg3 Kh8 21. Nf3 Rf8 22. e5 Nxe5 23. Nxe5 dxe5 24. Qh3 Bc6 25. Rxf6 Bxg2+ 26. Qxg2 Qxg2+ 27. Kxg2 gxf6 28. Bxb6 f5 29. Ne2 Rg8+ 30. Kf1 Rac8 31. c5 Bg5 32. Rc4 Rc6 33. b4 Bd8 34. a5 e4 35. Bc2 e5 36. Ba4 Rh6 37. Bxd8 Rxd8 38. c6 Rhd6 39. Rc5 Kg7 40. Rxe5 Kf6 41. Rc5 Rc8 42. Ng3 Rd4 43. Nxf5 Rxb4 44. Nd6 Rg8 45. c7 Rb1+ 46. Kf2 e3+ 47. Kxe3 Re1+ 48. Kd2 Re6 49. Ne8+ 1-0

