[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Carrancio, J."]
[Black "Chaben, A."]
[Result "1-0"]
[ECO "D02"]
[PlyCount "33"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 f6 3. e3 Bg4 4. Be2 e6 5. Nbd2 Bd6 6. c3 Ne7 7. h3 Bh5 8. 0-0 0-0 9. Re1 e5 10. dxe5 fxe5 11. Ng5 Bxe2 12. Qxe2 Rf6 13. e4 Bc5 14. Ngf3 d4 15. Qc4+ Kh8 16. Qxc5 Ng6 17. cxd4 1-0

[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Chaben, A."]
[Black "Alvarez, J."]
[Result "0-1"]
[ECO "C55"]
[PlyCount "56"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Bd2 0-0 6. 0-0 d5 7. exd5 Nxd5 8. Nc3 Nb6 9. Bb3 Bg4 10. Re1 Kh8 11. Be3 f5 12. h3 Bh5 13. Ne2 Bxf3 14. gxf3 Bd6 15. f4 Qh4 16. fxe5 Nxe5 17. Nf4 Rae8 18. Qh5 Qxh5 19. Nxh5 Nf3+ 20. Kg2 Nxe1+ 21. Rxe1 f4 22. Bd4 f3+ 23. Kf1 Rxe1+ 24. Kxe1 Re8+ 25. Kf1 Be5 26. Bxe5 Rxe5 27. Ng3 c5 28. Ne4 c4 0-1

[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Chaben, A."]
[Black "Garcia, R."]
[Result "0-1"]
[ECO "B42"]
[PlyCount "76"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nc6 7. Nf3 e6 8. Bg5 Be7 9. 0-0 0-0 10. Re1 b5 11. a3 Bb7 12. h3 Rc8 13. e5 dxe5 14. Nxe5 Nxe5 15. Rxe5 Nd7 16. Bxe7 Qxe7 17. Re3 Nc5 18. Be2 Rfd8 19. Qb1 g6 20. Bf3 Bxf3 21. Rxf3 Rd4 22. Qe1 e5 23. Rd1 Rcd8 24. Re3 f6 25. Rxd4 Rxd4 26. f4 Nd7 27. Rd3 Rxd3 28. cxd3 Qc5+ 29. Kh1 Qd4 30. fxe5 Nxe5 31. Qe4 Qxe4 32. dxe4 Nc4 33. Nd1 Kf7 34. g4 Ke6 35. Kg2 Ke5 36. Kf3 Nd2+ 37. Ke3 Nxe4 38. h4 h5 0-1

[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Chaben, A."]
[Black "Maiztegui Casas, Lincoln R"]
[Result "0-1"]
[ECO "C14"]
[PlyCount "124"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[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. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Nf3 c5 8. Be2 Nc6 9. 0-0 cxd4 10. Nxd4 Nxe5 11. Nf3 Nxf3+ 12. Bxf3 0-0 13. Re1 a6 14. Qe2 Bf6 15. Nd1 b5 16. c3 Bb7 17. Ne3 g6 18. Rad1 Qc7 19. Ng4 Bg7 20. Qd2 Rad8 21. Rc1 e5 22. Ne3 e4 23. Bg4 f5 24. Bh3 Qe5 25. Nc2 d4 26. cxd4 Qd5 27. b3 h6 28. Rcd1 g5 29. Ne3 Qd7 30. g4 f4 31. Nf5 h5 32. f3 hxg4 33. Bxg4 Rxf5 34. fxe4 Qf7 35. Bxf5 Bxd4+ 36. Kf1 Qh5 37. Qg2 Qh4 38. Rd3 Qh6 39. Rh3 Qf6 40. Rh5 f3 41. Rxg5+ Kf7 42. Qg4 Rh8 43. Be6+ Qxe6 44. Rf5+ Ke7 45. e5 Rg8 46. Qh4+ Ke8 47. Qxd4 Qxf5 48. Rd1 Qh3+ 49. Ke1 f2+ 50. Qxf2 Qc3+ 51. Rd2 Rg2 52. Qd4 Qxd4 53. Rxd4 Rxa2 54. h4 Ke7 55. Rd6 Bf3 56. Rd2 Rxd2 57. Kxd2 Ke6 58. Kc3 Kxe5 59. Kb4 Kd4 60. Ka5 Kc3 61. b4 Kb3 62. Kxa6 Kxb4 0-1

[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Chaben, A."]
[Black "Olivera, Juan Francisco"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "88"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bg5 h6 7. Nxc6 bxc6 8. Bxf6 Qxf6 9. Qd2 0-0 10. Bd3 d5 11. a3 Bd6 12. 0-0 Bf4 13. Qd1 Be6 14. Ne2 Bd6 15. c3 dxe4 16. Bxe4 Rab8 17. Rb1 Rfd8 18. Qc2 Bb3 19. Qc1 Bxh2+ 20. Kxh2 Qh4+ 21. Kg1 Qxe4 22. Nd4 Bd5 23. f3 Qh4 24. Qc2 c5 25. Nf5 Qf6 26. Ne3 Be6 27. Qf2 Rd3 28. Rbd1 c4 29. Rb1 Qe5 30. Rfe1 Qc5 31. Re2 Rbd8 32. Rbe1 c6 33. Kf1 g6 34. Qh4 Qg5 35. Qe4 Bd5 36. Nxd5 cxd5 37. Qg4 Qxg4 38. fxg4 Rd7 39. Re8+ Kg7 40. Ra8 Rb7 41. Re2 Kf6 42. Rh8 Kg5 43. Re5+ Kxg4 44. Rxh6 Rxb2 0-1

[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Preve, Alejandro"]
[Black "Chaben, A."]
[Result "1/2-1/2"]
[ECO "D56"]
[PlyCount "68"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nc6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 h6 7. Bh4 0-0 8. Be2 a6 9. 0-0 dxc4 10. Bxc4 Nd5 11. Bxd5 exd5 12. Bxe7 Nxe7 13. Qb3 c6 14. Rac1 Rb8 15. Na4 f6 16. Nc5 b6 17. Ne1 Qc7 18. Ne4 Kh8 19. Nc3 Qd6 20. Nd3 a5 21. Ne2 Ba6 22. Qc2 Rfc8 23. Rfe1 Rc7 24. Ndf4 Rbc8 25. Ng6+ Nxg6 26. Qxg6 c5 27. Nc3 b5 28. Qh5 g5 29. dxc5 Qf8 30. Nxd5 Rxc5 31. Rxc5 Rxc5 32. Qd1 Bb7 33. e4 Qd6 34. Nc3 Qe7 1/2-1/2

[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Rienzi, MA."]
[Black "Chaben, A."]
[Result "1-0"]
[ECO "C90"]
[PlyCount "73"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 d6 7. d4 Bd7 8. c3 0-0 9. h3 b5 10. Bc2 h6 11. Nbd2 Nh7 12. Nf1 f5 13. exf5 Bxf5 14. dxe5 Bxc2 15. Qxc2 Ng5 16. Nd4 Nxd4 17. cxd4 Qd7 18. e6 Qc8 19. Ng3 d5 20. Nf5 Re8 21. Nxh6+ gxh6 22. Qg6+ Kh8 23. Qxh6+ Nh7 24. Bf4 Bf6 25. Rac1 Ra7 26. Rc6 Qb7 27. Rec1 Qb8 28. Bxc7 Qa8 29. Be5 Bxe5 30. dxe5 Rg7 31. Rc7 Reg8 32. g4 d4 33. Rf7 Rxg4+ 34. hxg4 Rxg4+ 35. Kf1 Qg2+ 36. Ke1 Qe4+ 37. Kd2 1-0

[Event "Mercedes"]
[Site "Mercedes"]
[Date "1969.??.??"]
[Round "?"]
[White "Roselli, D."]
[Black "Chaben, A."]
[Result "1-0"]
[ECO "D63"]
[PlyCount "67"]
[EventDate "1969.??.??"]
[EventType "tourn"]
[EventRounds "8"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 h6 6. Bh4 Be7 7. Nf3 0-0 8. Rc1 c6 9. a3 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. Ne4 Rd8 13. 0-0 N7f6 14. Nxf6+ Qxf6 15. Bd3 Ne7 16. Ne5 Nf5 17. Qf3 Qe7 18. Qe4 g6 19. g3 Bd7 20. Qf4 Qf8 21. Ng4 h5 22. Nf6+ Kg7 23. Qe5 Kh6 24. g4 hxg4 25. Nxg4+ Kh7 26. Nf6+ Kh6 27. f4 Qd6 28. Ng4+ Kh7 29. Qf6 Qf8 30. Rf3 Qg7 31. Bxf5 Qxf6 32. Nxf6+ Kg7 33. Nxd7 Rxd7 34. Bb1 1-0

