[Event "Mar del Plata International Open-07"]
[Site "Mar del Plata"]
[Date "1974.04.??"]
[Round "?"]
[White "Ferraris, Francisco"]
[Black "Guichon, Diego"]
[Result "1-0"]
[ECO "D86"]
[PlyCount "41"]
[EventDate "1974.04.06"]
[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 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Be3 Nc6 9. Ne2 Na5 10. Bd3 Qd7 11. Qd2 Rd8 12. Rc1 c5 13. 0-0 b6 14. Rfd1 cxd4 15. cxd4 Bb7 16. f3 Nc6 17. Bb5 a6 18. d5 axb5 19. dxc6 Qxd2 20. Rxd2 Rxd2 21. cxb7 1-0

[Event "Mar del Plata International Open-07"]
[Site "Mar del Plata"]
[Date "1974.04.??"]
[Round "?"]
[White "Guichon, Diego"]
[Black "Brond, Victor"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "108"]
[EventDate "1974.04.06"]
[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. Nf3 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Be3 Re8 9. d5 Ng4 10. Bg5 f6 11. Bh4 h5 12. h3 Nh6 13. Ne1 Nf7 14. Nd3 Bh6 15. b4 Qe7 16. Nb5 Nf8 17. c5 a6 18. Nc3 Nh7 19. Re1 Nfg5 20. Bf1 f5 21. Bxg5 Qxg5 22. exf5 Bxf5 23. Ne4 Qe7 24. Ng3 Bd7 25. Ne4 Rf8 26. a4 Nf6 27. Ra2 Kh8 28. Nc3 Qf7 29. cxd6 cxd6 30. Qf3 Rac8 31. Nc1 Nxd5 32. Qxf7 Rxf7 33. Nxd5 Rxc1 34. Rxc1 Bxc1 35. Rc2 Bg5 36. a5 Bf5 37. Rb2 Be4 38. Bc4 Rf8 39. Re2 Bf5 40. Nb6 Kg7 41. Bd5 Bd3 42. Re1 e4 43. Bxe4 Re8 44. f3 Bd2 45. Rd1 Be3+ 46. Kh2 Bxe4 47. fxe4 Rxe4 48. Nd5 Bd4 49. Kg3 Be5+ 50. Kf3 Rc4 51. Rb1 Kf7 52. Nb6 Rc3+ 53. Ke4 Ke6 54. b5 d5+ 0-1

[Event "Mar del Plata International Open-06"]
[Site "Mar del Plata"]
[Date "1973.04.17"]
[Round "4"]
[White "Guichon, Diego"]
[Black "Vasquez, Fermin"]
[Result "1-0"]
[ECO "E98"]
[PlyCount "95"]
[EventDate "1973.04.14"]
[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. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. exf5 Nxf5 12. f3 Nf6 13. Nf2 Nd4 14. Re1 Nh5 15. Bf1 Nf4 16. Nfe4 h5 17. Be3 h4 18. Bxd4 exd4 19. Nb5 d3 20. Nbc3 Bf5 21. Rb1 h3 22. g3 Bd4+ 23. Kh1 Ng2 24. Bxg2 hxg2+ 25. Kxg2 Qd7 26. g4 Bxe4 27. Nxe4 Be5 28. Qxd3 Qe7 29. h3 Qh4 30. b4 Rf4 31. Nc3 Kg7 32. Ne2 Rf7 33. Rf1 Raf8 34. Qe3 Re7 35. Qf2 Qh8 36. Nd4 Kg8 37. Ne6 Rff7 38. Qe3 Bf4 39. Qxa7 Qc3 40. Qf2 Qxc4 41. Rfd1 c6 42. Rd4 Qb5 43. a4 Qa6 44. b5 cxb5 45. Rxf4 bxa4 46. Rxf7 Kxf7 47. Qb2 a3 48. Qg7+ 1-0

[Event "Mar del Plata International Open-06"]
[Site "Mar del Plata"]
[Date "1973.04.14"]
[Round "1"]
[White "Carrazoni, Horacio"]
[Black "Guichon, Diego"]
[Result "0-1"]
[ECO "A11"]
[PlyCount "100"]
[EventDate "1973.04.14"]
[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 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 c6 6. Bg2 d5 7. 0-0 Bf5 8. d3 Qd7 9. Nbd2 Bh3 10. Be5 Bxg2 11. Kxg2 Qd8 12. Rc1 Nbd7 13. Bc3 Re8 14. e4 e5 15. Qe2 Qe7 16. Bb2 dxe4 17. dxe4 Nh5 18. Rcd1 Nc5 19. Nb1 Ne6 20. Bc1 a5 21. Rd3 a4 22. Rfd1 axb3 23. axb3 Nc5 24. Rc3 Nf6 25. Nfd2 Ra2 26. f3 Bh6 27. Kh1 Ne6 28. Rd3 Nd4 29. Qf1 Nd7 30. Nc3 Rc2 31. Ndb1 Bxc1 32. Rxc1 Rxc1 33. Qxc1 Nxb3 34. Qd1 Ndc5 35. Rd6 Nd4 36. Rxd4 exd4 37. Qxd4 Rd8 38. Qe3 Rd3 39. Qf4 Ne6 40. Qb8+ Rd8 41. Qe5 Qb4 42. Kg2 Qxc4 43. f4 Qd4 44. Qa5 b5 45. f5 Ng5 46. fxg6 hxg6 47. Qa6 Nxe4 48. Qxc6 Qf2+ 49. Kh3 Qf1+ 50. Kh4 g5+ 0-1

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.04.02"]
[Round "9"]
[White "Chiocchi, A."]
[Black "Guichon, Diego"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "100"]
[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. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 b6 8. 0-0 Bb7 9. Qe2 Bd6 10. Bg5 h6 11. Bh4 0-0 12. Ne5 Be7 13. c3 Nd7 14. Bg3 Nxe5 15. dxe5 c5 16. Rad1 Qc7 17. Bf4 Rfd8 18. Qe3 Bf8 19. Qg3 Kh8 20. Rfe1 Rd7 21. Bc1 Rad8 22. Bc2 Rxd1 23. Bxd1 Be4 24. Qh4 Bd3 25. Bh5 Rd5 26. Qf4 f6 27. Bg4 f5 28. h4 Rd8 29. Bh3 c4 30. g4 fxg4 31. Bxg4 Bc5 32. Be3 Rf8 33. Qg3 Bxe3 34. Rxe3 Qe7 35. Rf3 Rxf3 36. Bxf3 b5 37. Bg4 b4 38. cxb4 Qxb4 39. Qf4 Qe1+ 40. Kh2 Be4 41. Qf8+ Kh7 42. f3 Qxh4+ 43. Bh3 Qf2+ 44. Bg2 Qh4+ 45. Kg1 Bf5 46. Qc5 Qf4 47. Qb4 Qxe5 48. Qxc4 Qxb2 49. Qa6 Qd4+ 50. Kh2 h5 0-1

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.04.01"]
[Round "8"]
[White "Guichon, Diego"]
[Black "Higer, A."]
[Result "1/2-1/2"]
[ECO "A56"]
[PlyCount "63"]
[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. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 d6 5. Bg2 Bg7 6. Nc3 e5 7. dxe6 fxe6 8. Bf4 e5 9. Bd2 Nc6 10. a3 Be6 11. Nd5 Qd7 12. e3 Qf7 13. Nxf6+ Qxf6 14. Qe2 0-0 15. Bd5 Bxd5 16. cxd5 Nb8 17. e4 Nd7 18. Nh3 Qf3 19. Qxf3 Rxf3 20. Be3 Rf7 21. Ke2 Nf6 22. f3 b5 23. Nf2 Rc7 24. Rhc1 Nd7 25. Nd1 a5 26. a4 Rb7 27. Rc2 b4 28. b3 Rf8 29. Nb2 Nb6 30. Nc4 Nxc4 31. Rxc4 Rbf7 32. Rf1 1/2-1/2

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.31"]
[Round "7"]
[White "Scarfo, Ruben"]
[Black "Guichon, Diego"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "92"]
[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. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 Nf6 5. Bg2 d6 6. 0-0 Qc7 7. c3 g6 8. d4 cxd4 9. cxd4 Bg7 10. Nc3 0-0 11. h3 a6 12. Be3 Rb8 13. Rad1 b5 14. a3 Na5 15. Nd2 Bb7 16. f3 Rfc8 17. Qf2 Nc4 18. Nxc4 Qxc4 19. Rd2 d5 20. Rfd1 Nd7 21. h4 Nb6 22. h5 Qb3 23. Bf4 Nc4 24. Bxb8 Nxd2 25. Rxd2 Rxb8 26. hxg6 hxg6 27. Bf1 dxe4 28. fxe4 Rd8 29. Bg2 b4 30. axb4 Qxb4 31. d5 Bxc3 32. bxc3 Qxc3 33. Qf4 exd5 34. Rf2 Rd7 35. exd5 Qc7 36. Qg5 Qc5 37. Be4 Qe7 38. Qg4 Kg7 39. Kh2 Bxd5 40. Bf5 Qe1 41. Qd4+ Kg8 42. g4 gxf5 43. gxf5 Qh1+ 44. Kg3 Qg1+ 45. Kf4 f6 46. Qb2 Qg5# 0-1

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.30"]
[Round "6"]
[White "Guichon, Diego"]
[Black "Albuquerque, Markus Vinicius"]
[Result "1-0"]
[ECO "E30"]
[PlyCount "77"]
[EventDate "1972.03.25"]
[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. Nc3 Bb4 4. Bg5 h6 5. Bh4 g5 6. Bg3 b6 7. f3 Nc6 8. e4 Qe7 9. Bf2 d6 10. d5 Bxc3+ 11. bxc3 exd5 12. cxd5 Ne5 13. Bb5+ Bd7 14. Bxd7+ Nfxd7 15. Ne2 0-0 16. Ng3 Ng6 17. Nf5 Qf6 18. Nxh6+ Kh7 19. Bd4 Nde5 20. Nf5 Nf4 21. 0-0 Rh8 22. Kh1 Kg8 23. g3 Nfg6 24. f4 gxf4 25. gxf4 Rxh2+ 26. Kxh2 Qh8+ 27. Kg3 Kf8 28. fxe5 dxe5 29. Be3 Qg8 30. Bh6+ Ke8 31. Ng7+ Ke7 32. Bg5+ Kd7 33. Qg4+ Kd6 34. Nf5+ Kc5 35. Ne7 Qe8 36. Be3+ Kb5 37. Qe2+ Ka5 38. Nc6+ Ka4 39. Qa6# 1-0

[Event "Mar del Plata International Open-05"]
[Site "Mar del Plata"]
[Date "1972.03.27"]
[Round "3"]
[White "Guichon, Diego"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]
[ECO "A76"]
[PlyCount "96"]
[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. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Qc2 Na6 11. Bf4 Nc7 12. Nd2 Bf8 13. Rfe1 Ng4 14. Qb3 Bh6 15. Bxh6 Nxh6 16. Nc4 f6 17. Na5 Qe7 18. Nb5 Nf7 19. Nxc7 Qxc7 20. Qb5 Re7 21. Nc4 Bd7 22. Qa5 b6 23. Qc3 Rxe4 24. Qxf6 Rae8 25. Ne3 Qd8 26. Qc3 b5 27. b3 Ne5 28. Rad1 a5 29. f3 b4 30. Qc1 Rh4 31. g3 Rd4 32. f4 Rxd1 33. Qxd1 Nf7 34. Nc4 Qf6 35. Bf3 Rxe1+ 36. Qxe1 Qd8 37. Qe2 a4 38. Bg4 axb3 39. axb3 Bxg4 40. Qxg4 Qf6 41. Qf3 Kg7 42. Kg2 Qd4 43. f5 Ne5 44. f6+ Kf8 45. Qe3 Qxd5+ 46. Kf1 Kf7 47. Nxe5+ Qxe5 48. Ke2 Kxf6 0-1

