[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.12"]
[Round "6"]
[White "Castresana, Agustin"]
[Black "Sanchez, Marcelo"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "145"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 c6 6. e3 h6 7. Bh4 Nbd7 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. a3 a5 12. 0-0 0-0 13. Bxf6 Nxf6 14. Ne5 b4 15. axb4 Bxb4 16. Ne4 Qe7 17. Nxf6+ Qxf6 18. Nd7 Qg5 19. Nxf8 Rxf8 20. Qf3 f5 21. Qg3 Qe7 22. Bc4 Bd6 23. f4 Kh7 24. Rxa5 Bb4 25. Re5 Rf6 26. Ra1 Bd6 27. Rea5 Rg6 28. Qf2 c5 29. Ra7 Bb8 30. Rxb7 Qxb7 31. dxc5 Qb4 32. b3 Qxc5 33. Ra6 Bd6 34. Qd2 Bxf4 35. Kf2 Bxh2 36. Rxe6 Rxe6 37. Bxe6 Qe5 38. Qd7 Kg6 39. Qf7+ Kg5 40. Qe7+ Kg4 41. e4 Bg3+ 42. Kf1 Qf4+ 43. Ke2 Qxe4+ 44. Kd2 Bf4+ 45. Kc3 Be5+ 46. Kd2 Qxg2+ 47. Kd3 Qe4+ 48. Kd2 Kf3 49. Qd7 Qe2+ 50. Kc1 Qb2+ 51. Kd1 Ke3 52. Bxf5 Qxb3+ 53. Ke1 Bc3+ 54. Kf1 Qc4+ 55. Kg1 Qc5 56. Kg2 Kf4 57. Bd3 Qg5+ 58. Kf1 Qf6 59. Kg2 Bd4 60. Kh3 Ke3 61. Bf5 Qe5 62. Qe6 Kf4 63. Qxe5+ Bxe5 64. Be6 Bf6 65. Bf7 Kg5 66. Be6 h5 67. Bf7 Kh6 68. Be8 g5 69. Bd7 Be5 70. Bf5 Kg7 71. Bd7 Kf6 72. Be8 h4 73. Bh5 1/2-1/2

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.11"]
[Round "5"]
[White "Sanchez, Marcelo"]
[Black "Sanseverino, Victoria"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "82"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. Bd3 e5 7. d5 Nbd7 8. Be3 a5 9. a4 Ng4 10. Bg5 f6 11. Bh4 Nc5 12. Bc2 Nh6 13. h3 g5 14. Bg3 f5 15. Bh2 Qf6 16. Qe2 f4 17. Rb1 Qg6 18. g4 fxg3 19. Bxg3 Qf6 20. Nd2 g4 21. h4 Kh8 22. Nd1 Bd7 23. b3 Ng8 24. Ne3 h5 25. 0-0 Bh6 26. Bd1 Bf4 27. Bc2 Ne7 28. Kg2 Ng6 29. Rh1 Rf7 30. Nf5 Bxf5 31. exf5 Ne7 32. b4 axb4 33. Rxb4 Bxd2 34. Qxd2 Nxf5 35. Qg5 Qxg5 36. hxg5 Nxg3 37. fxg3 Raf8 38. Rxh5+ Kg8 39. Rb1 Rf2+ 40. Kg1 Rxc2 41. g6 Kg7 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.09"]
[Round "4"]
[White "Sanduay, Nicolas"]
[Black "Sanchez, Marcelo"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "109"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 h6 7. Ne5 Bh7 8. Bc4 e6 9. Qe2 Qe7 10. 0-0 Nd7 11. f4 Ngf6 12. f5 Nxe5 13. Qxe5 Nd7 14. Qe2 exf5 15. Qxe7+ Bxe7 16. Nxf5 Bxf5 17. Rxf5 Bf6 18. c3 0-0 19. Bd2 Rfe8 20. Raf1 Nb6 21. Bb3 Nd5 22. Bxd5 cxd5 23. Rxd5 Re2 24. Rf2 Rae8 25. Kf1 R2e6 26. Rd7 R6e7 27. Rxe7 Rxe7 28. Re2 Kf8 29. Kf2 Rd7 30. Re4 b5 31. Ke2 Bd8 32. Kd3 Bb6 33. b3 Bc7 34. Bf4 f5 35. Re5 Bxe5 36. Bxe5 g5 37. c4 bxc4+ 38. bxc4 h5 39. c5 Ke7 40. Kc4 Ke6 41. c6 Rd8 42. Kc5 Rd5+ 43. Kc4 Ra5 44. d5+ Kxe5 45. c7 Rxa2 46. Kb3 Rd2 47. c8Q Rxd5 48. Qe8+ Kf4 49. Qxh5 g4 50. Qh6+ Ke4 51. Qe6+ Kd4 52. Qe2 a5 53. g3 Re5 54. Qd2+ Ke4 55. Kc4 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.07"]
[Round "2"]
[White "Sanchez, Marcelo"]
[Black "Bernal, Gustavo"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2161"]
[PlyCount "22"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. Nbd2 e6 6. c4 Be7 7. a4 0-0 8. 0-0 h6 9. Re1 Na6 10. c5 Nb4 11. Nh4 Bc2 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.05"]
[Round "1"]
[White "Sambuco Salomone, Lucas"]
[Black "Sanchez, Marcelo"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2007"]
[PlyCount "66"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h6 7. Be3 Nd7 8. Ng3 Ne7 9. f4 Qc7 10. Bh3 a6 11. f5 Bh7 12. fxe6 fxe6 13. g5 Bg8 14. gxh6 g6 15. Nce2 Bxh6 16. Bxh6 Rxh6 17. Bg4 0-0-0 18. Qd2 Rh7 19. c3 Nf5 20. 0-0-0 Bf7 21. Bxf5 gxf5 22. Nf4 Nb6 23. b3 a5 24. Kb2 a4 25. h3 Kd7 26. Rde1 Ra8 27. Qd3 axb3 28. axb3 Rg7 29. Nxf5 Nc4+ 30. bxc4 Qb6+ 31. Kc2 Ra2+ 32. Kd1 Qb3+ 33. Kc1 Qb2+ 0-1

[Event "Escobar op g75' 2nd"]
[Site "Escobar"]
[Date "2004.02.08"]
[Round "2"]
[White "Garcia Cardenas, Pablo"]
[Black "Sanchez, Marcelo"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2309"]
[PlyCount "98"]
[EventDate "2004.02.06"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Bd6 5. Bd3 h6 6. Bh4 Nbd7 7. Nbd2 b6 8. c4 c6 9. cxd5 cxd5 10. 0-0 Bb7 11. Bb5 Be7 12. Ne5 0-0 13. Nxd7 Nxd7 14. Bxe7 Qxe7 15. Nf3 a6 16. Bd3 Rfd8 17. Rc1 Rac8 18. Rxc8 Rxc8 19. Qb1 b5 20. Bh7+ Kh8 21. Bd3 Nf6 22. Ne5 Nd7 23. Nxd7 Qxd7 24. Rc1 b4 25. Rxc8+ Qxc8 26. Qc2 Qd8 27. f3 a5 28. a4 bxa3 29. bxa3 Qb6 30. Qb1 Qxb1+ 31. Bxb1 Ba6 32. Kf2 g5 33. e4 Kg7 34. Ke3 Bc4 35. Bd3 Bxd3 36. Kxd3 Kf6 37. Kc3 h5 38. h3 g4 39. hxg4 hxg4 40. exd5 exd5 41. fxg4 Kg5 42. Kd3 Kxg4 43. Ke3 Kg3 44. a4 f5 45. Ke2 Kxg2 46. Ke3 Kg3 47. Ke2 f4 48. Kf1 Kf3 49. Ke1 Kg2 0-1

[Event "Escobar op g75' 2nd"]
[Site "Escobar"]
[Date "2004.02.08"]
[Round "3"]
[White "Sanchez, Marcelo"]
[Black "Velazquez, Gustavo"]
[Result "0-1"]
[ECO "D77"]
[BlackElo "2141"]
[PlyCount "74"]
[EventDate "2004.02.06"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 e6 7. b3 Nbd7 8. Bf4 c5 9. Qc2 cxd4 10. Nbd2 Qb6 11. Rac1 Qc5 12. e3 dxe3 13. Bxe3 Qc7 14. Rfe1 b6 15. Bf4 Qc5 16. Be3 Qe7 17. Bg5 Bb7 18. cxd5 Bxd5 19. Qd1 Rac8 20. Qe2 Qa3 21. Nb1 Qa5 22. Bd2 Qxa2 23. b4 Ne4 24. Qb5 Nb8 25. Be3 Bc4 26. Rxc4 Qxc4 27. Qa4 a5 28. Bxb6 axb4 29. Bf1 Nc3 30. Nxc3 Qxc3 31. Re3 Qb2 32. Rb3 Qc2 33. Qxb4 Nc6 34. Qa4 Ne7 35. Bd3 Qd1+ 36. Kg2 Rc3 37. Qa3 Rxb3 0-1

[Event "Escobar op g75' 2nd"]
[Site "Escobar"]
[Date "2004.02.06"]
[Round "1"]
[White "Sanchez, Marcelo"]
[Black "Sampaolesi, Nestor Jose"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "82"]
[EventDate "2004.02.06"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 b6 3. g3 Bb7 4. Bg2 d5 5. cxd5 exd5 6. d4 Nf6 7. Nc3 Be7 8. 0-0 0-0 9. Bg5 Nbd7 10. a3 h6 11. Bxf6 Nxf6 12. b4 Re8 13. e3 a6 14. Qc2 Bd6 15. Rfe1 Qd7 16. Nh4 g6 17. Qd1 g5 18. Nf3 Rac8 19. h4 g4 20. Nh2 h5 21. Qd2 Ne4 22. Bxe4 dxe4 23. d5 Qf5 24. Rad1 Rcd8 25. Ne2 Be5 26. Qa2 Rd6 27. Rd2 Red8 28. Red1 Qd7 29. Nf4 Bxf4 30. exf4 Bxd5 31. Qb2 Qe6 32. Nf1 Bb7 33. Ne3 Rd3 34. Qc1 R8d7 35. f5 Qe5 36. Kf1 b5 37. Rc2 Rxd1+ 38. Nxd1 e3 39. fxe3 Qxg3 40. e4 Qxh4 41. Nf2 g3 0-1

[Event "Santa Barbara d'Oeste tt"]
[Site "Santa Barbara d'Oeste "]
[Date "1998.??.??"]
[Round "5"]
[White "Sanchez, Marcelo"]
[Black "De Oliveira, Adriano Fernandes"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "39"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne5 5. f4 Ng6 6. Nxe4 e6 7. Bc4 a6 8. Nf3 Nf6 9. Nxf6+ Qxf6 10. dxe6 Bxe6 11. Qe2 Bb4+ 12. Kf1 0-0 13. Bxe6 Qxe6 14. Qxe6 fxe6 15. g3 e5 16. Kg2 exf4 17. g4 Rae8 18. c3 Bc5 19. Re1 Nh4+ 20. Nxh4 0-1

[Event "Santa Barbara d'Oeste tt"]
[Site "Santa Barbara d'Oeste "]
[Date "1998.??.??"]
[Round "3"]
[White "Sanchez, Marcelo"]
[Black "Fernandez, HA."]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "74"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. c3 f5 12. exf5 Bxf5 13. Nc2 0-0 14. Nce3 Be6 15. g3 Ne7 16. Bg2 Rb8 17. 0-0 a5 18. Qh5 f5 19. Rad1 Ng6 20. f4 exf4 21. Nxf4 Nxf4 22. Rxf4 Qb6 23. Qe2 Bh6 24. Rfd4 Rbe8 25. Qf2 Bxa2 26. Nxf5 Be3 27. Qxe3 Rxe3 28. Nxe3 Bb3 29. Nd5 Qa7 30. Re1 Bxd5 31. Bxd5+ Kg7 32. Kg2 b4 33. Bf3 bxc3 34. bxc3 a4 35. Rde4 Qc5 36. Rg4+ Kh8 37. Re7 d5 1/2-1/2

[Event "Santa Barbara d'Oeste tt"]
[Site "Santa Barbara d'Oeste "]
[Date "1998.??.??"]
[Round "4"]
[White "Sanchez, Marcelo"]
[Black "Marques, Vinicius de Abreu"]
[Result "0-1"]
[ECO "B49"]
[BlackElo "2260"]
[PlyCount "84"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be2 Qc7 6. Nc3 a6 7. Be3 Nf6 8. 0-0 Bb4 9. Na4 Be7 10. c4 Nxe4 11. Bf3 Ng5 12. c5 0-0 13. Be2 Ne4 14. Bf3 Nf6 15. Rc1 Rd8 16. Nb6 Rb8 17. Qb3 g6 18. g3 e5 19. Ne2 d6 20. Nxc8 Rbxc8 21. cxd6 Rxd6 22. Bc5 Re6 23. Bb6 Qd7 24. Nc3 Rd6 25. Rfd1 Nd4 26. Bxd4 exd4 27. Ne4 Rxc1 28. Nxf6+ Bxf6 29. Rxc1 b5 30. Qd3 Kg7 31. Be4 h5 32. f4 h4 33. f5 Bg5 34. Rd1 Be3+ 35. Kg2 Qe7 36. Rf1 hxg3 37. hxg3 Rf6 38. Qc2 g5 39. Bd3 Rh6 40. Qc8 Qd6 41. Qa8 g4 42. Qe4 Rh2+ 0-1

[Event "Santa Barbara d'Oeste tt"]
[Site "Santa Barbara d'Oeste "]
[Date "1998.??.??"]
[Round "6"]
[White "Soppe, Guillermo"]
[Black "Sanchez, Marcelo"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2455"]
[PlyCount "44"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 dxc4 5. bxc4 c5 6. g3 b6 7. Bg2 Bb7 8. 0-0 Bg7 9. d3 0-0 10. Nbd2 Nc6 11. Rb1 Qc7 12. Bc3 Rfe8 13. Re1 Rad8 14. Qa4 Ba8 15. Ba1 e5 16. Ng5 Nd4 17. Bxa8 Rxa8 18. Nge4 Qc6 19. Qxc6 Nxc6 20. Nd6 Re7 21. Kg2 Nd4 22. Nb5 Nc2 1/2-1/2

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Bonaldi, Pablo"]
[Black "Sanchez, Marcelo"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "87"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 Bd6 6. Bg2 c6 7. Nh3 0-0 8. 0-0 Bf5 9. f3 Re8 10. Nf2 Bb4 11. Bg5 h6 12. Bxf6 Qxf6 13. e4 Be6 14. e5 Qd8 15. Nd3 Bf8 16. Na4 Nd7 17. f4 Bf5 18. g4 Bxd3 19. Qxd3 Rb8 20. Rac1 Nb6 21. Nc5 Nd7 22. Nb3 a5 23. Kh1 a4 24. Nd2 Qb6 25. Rc2 Qd8 26. g5 hxg5 27. fxg5 Qxg5 28. Bh3 Nxe5 29. dxe5 Qxe5 30. Rf3 a3 31. b3 g6 32. Nf1 Bg7 33. Rcf2 Re7 34. b4 Ra8 35. Nd2 Qd4 36. Qb3 Qb2 37. Bf1 Bd4 38. Rg2 Re1 39. Qd3 Bg7 40. Qb3 Qxb3 41. Nxb3 Ra4 42. b5 cxb5 43. Rd2 Rc4 44. Kg2 1/2-1/2

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Campos Gambuti, Luis Maria"]
[Black "Sanchez, Marcelo"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "114"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Qc7 5. 0-0 d6 6. Re1 Bd7 7. d4 cxd4 8. Nxd4 Nge7 9. Bg5 h6 10. Bh4 Ng6 11. Bg3 Be7 12. Nf3 a6 13. Ba4 Rd8 14. Re2 b5 15. Bxb5 axb5 16. Nxb5 Qb6 17. Nxd6+ Bxd6 18. Bxd6 e5 19. h3 Be6 20. Rd2 Qxb2 21. c3 Qb5 22. Rb1 Qa6 23. Bc7 Rxd2 24. Qxd2 0-0 25. Rb6 Qc4 26. Qd6 Nce7 27. Nxe5 Nxe5 28. Qxe5 Qxa2 29. h4 Ng6 30. Qg3 Ne7 31. Be5 f6 32. Bd4 Rf7 33. h5 Qc4 34. f4 Nc6 35. Qe3 Rd7 36. Bc5 Rc7 37. Bd6 Rd7 38. Qc5 Qxc5+ 39. Bxc5 Nd8 40. Kf2 Bg4 41. Bd4 Bxh5 42. Ke3 Re7 43. g4 Bg6 44. g5 Rxe4+ 45. Kf3 h5 46. Rb8 Re8 47. f5 Bf7 48. gxf6 Nc6 49. Rb6 Nxd4+ 50. cxd4 gxf6 51. Rxf6 Kg7 52. Rd6 Re1 53. Kf4 Rf1+ 54. Ke5 Re1+ 55. Kf4 Re2 56. Kg5 Rg2+ 57. Kh4 Rg4+ 0-1

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Cena, Jorge Omar"]
[Black "Sanchez, Marcelo"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "106"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 a6 7. Bg2 Qc7 8. 0-0 Nc6 9. Nb3 Be7 10. f4 Bd7 11. Be3 Rb8 12. Qe2 b5 13. a3 0-0 14. g4 Bc8 15. g5 Nd7 16. Qh5 g6 17. Qh6 Re8 18. Rf3 Bf8 19. Qh4 Qd8 20. Nd4 Bb7 21. Rd1 h6 22. Rh3 Nxd4 23. Bxd4 e5 24. Be3 exf4 25. Bxf4 Ne5 26. Qg3 h5 27. Nd5 Bxd5 28. Rxd5 Qc7 29. c3 a5 30. Qf2 b4 31. cxb4 axb4 32. a4 b3 33. Rc3 Qd7 34. a5 Bg7 35. Rc1 Qa4 36. Rcd1 Rec8 37. Qe3 Nc4 38. Qg3 Nxb2 39. Rf1 Rc3 40. Qf2 Nd3 41. Qa7 Rbc8 42. Bxd6 b2 43. Qxf7+ Kh7 44. Be7 Qe8 45. Qe6 R8c6 46. Qd7 Qxd7 47. Rxd7 Rc1 48. Rb7 Rc7 49. Rxc7 Rxc7 50. Ba3 Bd4+ 51. Kh1 Nf2+ 52. Kg1 Nd1+ 53. Kh1 b1Q 0-1

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Hoffman, Alejandro"]
[Black "Sanchez, Marcelo"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "2270"]
[PlyCount "99"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 d6 7. 0-0 Bxc3 8. bxc3 e5 9. d5 Ne7 10. Qc2 Ng6 11. Rb1 b6 12. h3 0-0 13. f4 exf4 14. exf4 Re8 15. Ng3 Bd7 16. a4 a6 17. Bd2 Rb8 18. Qb3 Qc8 19. Kh2 Kh8 20. Rfe1 Nh4 21. Rxe8+ Nxe8 22. Qc2 Bxh3 23. gxh3 Nf3+ 24. Kg2 Nh4+ 25. Kh2 Nf3+ 26. Kg2 Nh4+ 27. Kg1 Qxh3 28. Be1 g6 29. Qf2 Nf6 30. Qf1 Qg4 31. Be2 Qd7 32. a5 Nf5 33. Qh3 Nxg3 34. Qxg3 b5 35. cxb5 axb5 36. c4 b4 37. Bc3 Qe7 38. Bb2 Kg8 39. Bf1 Nh5 40. Re1 Qd8 41. Qe3 Ng7 42. Qe7 Nf5 43. Qxd8+ Rxd8 44. Bf6 Ra8 45. Bh3 Nd4 46. Re7 Nf3+ 47. Kg2 Nd2 48. a6 Nxc4 49. a7 Na5 50. Rc7 1-0

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Moscovich, Fabian"]
[Black "Sanchez, Marcelo"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "2205"]
[PlyCount "82"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 Be7 7. Bb3 0-0 8. Be3 Na6 9. Qe2 Nc5 10. f3 Nxb3 11. axb3 d5 12. e5 Nd7 13. f4 Nc5 14. 0-0-0 a5 15. g4 a4 16. bxa4 Nxa4 17. Nxa4 Rxa4 18. Nb3 Bd7 19. Rhf1 Qc7 20. Bd4 Rc8 21. Rf2 Rc4 22. Kb1 Bb5 23. Qd2 Bb4 24. c3 Ba4 25. Nc1 Bxd1 26. Qxd1 Bc5 27. Nb3 Bxd4 28. Nxd4 b5 29. f5 exf5 30. Rxf5 g6 31. Nxb5 Qd7 32. Nd6 gxf5 33. gxf5 R8c6 34. Qg1+ Kf8 35. f6 Rg4 36. Qe3 Rg6 37. Nb5 h6 38. Nd4 Ra6 39. Qd3 Ra1+ 40. Kc2 Qa4+ 41. Nb3 Rg2+ 0-1

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Sanchez, Marcelo"]
[Black "Darcyl, Tomas"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2285"]
[PlyCount "84"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 d5 4. Bb2 c5 5. Bg2 Bg7 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Re8 9. c4 e5 10. Nc2 d4 11. e4 Nbd7 12. Ne1 Nc5 13. f3 a5 14. Nd3 Nxd3 15. Qxd3 Nd7 16. Rd1 Nc5 17. Qd2 Bd7 18. Bf1 Bc6 19. Na3 f5 20. exf5 Bxf3 21. fxg6 hxg6 22. Be2 Bc6 23. Nb5 Ne4 24. Qd3 Rf8 25. Rf1 Qd7 26. Bc1 Rxf1+ 27. Bxf1 Qf5 28. Qc2 Nxg3 29. Qxf5 Nxf5 30. Bg2 e4 31. Bb2 d3 32. Bxg7 Kxg7 33. Nc7 Rc8 34. Ne6+ Kf6 35. Nc5 Re8 36. Nxe4+ Bxe4 37. Bxe4 Rxe4 38. Rd1 Rd4 39. Kf2 Ke5 40. h3 Kf4 41. Rd2 Ne3 42. a3 a4 0-1

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Sanchez, Marcelo"]
[Black "Fulgenzi, Ernesto"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "86"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 Nf6 4. Bd3 0-0 5. Nf3 d6 6. 0-0 c5 7. dxc5 dxc5 8. h3 Nc6 9. Bf4 Nd7 10. Qe2 Nde5 11. Nxe5 Nxe5 12. Bxe5 Bxe5 13. f4 Bg7 14. Nd2 Qc7 15. e5 h6 16. Rae1 Rd8 17. Bc4 Kh7 18. g4 f5 19. g5 Rb8 20. Rd1 a6 21. a4 e6 22. Nf3 Bd7 23. Rd2 b5 24. axb5 axb5 25. Ba2 Ra8 26. Bb1 Bc6 27. h4 Rxd2 28. Qxd2 Rd8 29. Qe2 c4 30. Rd1 Bxf3 31. Qxf3 Qc5+ 32. Kg2 Rxd1 33. Qxd1 Qe3 34. Qf3 Qe1 35. Bc2 Qxh4 36. Qg3 Qxg3+ 37. Kxg3 hxg5 38. fxg5 Bxe5+ 39. Kh4 Bg7 40. Kg3 e5 41. Kf3 e4+ 42. Kg3 Be5+ 43. Kh4 Bf4 0-1

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Sanchez, Marcelo"]
[Black "Needleman, Alejandro"]
[Result "1/2-1/2"]
[ECO "A38"]
[PlyCount "21"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. c4 Nc6 5. Nc3 d6 6. 0-0 Nf6 7. d3 Bg4 8. Bg5 Qd7 9. Rb1 h6 10. Bd2 Bh3 11. a3 1/2-1/2

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Sanchez, Marcelo"]
[Black "Slipak, Sergio"]
[Result "0-1"]
[ECO "B59"]
[PlyCount "78"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[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 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 a5 10. a4 Nb4 11. Bf3 Be6 12. fxe5 dxe5 13. Be3 Qc8 14. Rc1 Rd8 15. Nd2 Bc5 16. Qe1 Bd4 17. Bd1 Qc5 18. Bxd4 exd4 19. Nb5 Nd3 20. Nb3 Bxb3 21. cxd3 Qxc1 22. Bxb3 Qxe1 23. Rxe1 Nd7 24. e5 Nc5 25. Bc4 Nxa4 26. Rf1 Rf8 27. Nd6 Nxb2 28. Bxf7+ Rxf7 29. Rxf7 Nxd3 30. Rxb7 Nxe5 31. Nf5 a4 32. Nxd4 a3 33. Rb1 a2 34. Ra1 Nd3 35. Nc2 Rb8 36. g3 Rb1+ 37. Kg2 Rb2 38. Kf3 Rxc2 39. Ke4 Nb4 0-1

[Event "ARG Junior-ch"]
[Site "La Falda"]
[Date "1984.??.??"]
[Round "?"]
[White "Sanchez, Marcelo"]
[Black "Sorin, Ariel"]
[Result "0-1"]
[ECO "C26"]
[BlackElo "2250"]
[PlyCount "84"]
[EventDate "1984.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. Nf3 d5 6. Nxe5 dxe4 7. d3 Qe7 8. d4 0-0 9. 0-0 Rd8 10. Be3 Bf5 11. g4 Bd6 12. gxf5 Bxe5 13. Re1 h6 14. Nxe4 Nxe4 15. Bxe4 Qh4 16. Qf3 Bxd4 17. Bxd4 Rxd4 18. Rad1 Rxd1 19. Qxd1 Na6 20. Qd4 Re8 21. c3 Nc5 22. Qxc5 Rxe4 23. Rxe4 Qxe4 24. Qxa7 Qb1+ 25. Kg2 Qxb2 26. Qb8+ Kh7 27. Qc7 Qxa2 28. Qxb7 Qd5+ 29. Kg1 f6 30. Qb4 Qxf5 31. Kg2 Qg5+ 32. Kh1 Qb5 33. Qe4+ f5 34. Qe1 Qd3 35. Kg1 f4 36. h4 f3 37. Kh2 Qg6 38. Qg1 Qxg1+ 39. Kxg1 Kg6 40. Kh2 Kf5 41. Kg3 Ke4 42. h5 c5 0-1

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "1"]
[White "Bracchi, Sergio"]
[Black "Sanchez, Marcelo"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2215"]
[PlyCount "26"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 d5 5. exd5 exd5 6. Bg2 d4 7. Nd5 Nf6 8. Nxf6+ Qxf6 9. 0-0 Bd6 10. d3 0-0 11. Nf4 Bf5 12. Nd5 Qd8 13. Re1 Qd7 1/2-1/2

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "5"]
[White "Costianosky, Ricardo"]
[Black "Sanchez, Marcelo"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "35"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. Qc2 c5 7. d5 exd5 8. cxd5 Bxd5 9. Nxd5 Nxd5 10. e4 Nc7 11. Be3 Nc6 12. Rd1 0-0 13. Bd3 Ne6 14. e5 h6 15. Qd2 Qc7 16. Be4 Rad8 17. Qd5 Nb8 18. Bb1 1/2-1/2

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "10"]
[White "Hefty Hilardo, Jorge Walter"]
[Black "Sanchez, Marcelo"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "69"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. 0-0 a6 8. f4 Qc7 9. Be3 Nc6 10. Qe1 Bd7 11. Qg3 b5 12. f5 Nxd4 13. Bxd4 e5 14. Qxg7 Rf8 15. Nd5 Nxd5 16. exd5 0-0-0 17. Be3 Rde8 18. f6 Bd8 19. a4 bxa4 20. Bxa6+ Kb8 21. Qxh7 Rg8 22. Qd3 Rg4 23. b4 Reg8 24. g3 R8g6 25. Bb5 Rxb4 26. Rfb1 Rgg4 27. c4 Rxb1+ 28. Rxb1 Bxb5 29. Rxb5+ Ka8 30. Rb4 Bxf6 31. Rxa4+ Kb7 32. Qb3+ Kc8 33. Ra8+ Kd7 34. Qb5+ Ke7 35. Re8# 1-0

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "3"]
[White "Oggier, Daniel"]
[Black "Sanchez, Marcelo"]
[Result "1/2-1/2"]
[ECO "B49"]
[PlyCount "96"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. 0-0 Nf6 8. Be3 Bb4 9. Bg5 Qe5 10. Nf3 Qc5 11. Na4 Qa5 12. c3 Be7 13. b4 Qc7 14. Qd3 0-0 15. Be3 b5 16. Nc5 d6 17. Nb3 Bd7 18. Bd4 Rfd8 19. a3 e5 20. Be3 Be6 21. Nbd2 d5 22. Qb1 h6 23. exd5 Nxd5 24. Qb2 Nxe3 25. fxe3 Qb6 26. Kh1 Qxe3 27. Rae1 Qb6 28. c4 f6 29. c5 Qc7 30. Nh4 Nd4 31. Bh5 a5 32. Bg6 axb4 33. axb4 Ra2 34. Qc3 Rda8 35. Bb1 R2a3 36. Qb2 Bd5 37. Nhf3 Nxf3 38. Nxf3 Bc4 39. Rf2 Bd3 40. Rd2 Bxb1 41. Rxb1 Qc6 42. Rbd1 R8a7 43. Qb1 Qe6 44. Qg6 Qf7 45. Qf5 Ra1 46. h3 g6 47. Qd3 Qe8 48. Qd5+ Kg7 1/2-1/2

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "9"]
[White "Sanchez, Marcelo"]
[Black "Aracri, Marcelo"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "95"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. c4 Nc6 6. Qd1 g6 7. Bd3 Bg7 8. 0-0 Nf6 9. Nc3 0-0 10. h3 Qc8 11. Be3 Nh5 12. Re1 Re8 13. Rc1 b6 14. Bf1 h6 15. b3 Kh7 16. Nh2 Nd8 17. Bd3 Nf6 18. Qd2 Ne6 19. f3 Bc6 20. Ng4 Nxg4 21. hxg4 Bd4 22. Bxd4 Nxd4 23. Kf2 Kg7 24. Rh1 Rh8 25. Rh2 e5 26. Ne2 Nxe2 27. Bxe2 Qc7 28. Rch1 g5 29. g3 f6 30. Rd1 Rad8 31. Rhh1 Kf7 32. Rh2 Rh7 33. Bd3 Bd7 34. Be2 Be6 35. Kg2 Ke7 36. Rdh1 Rdh8 37. f4 Qc8 38. f5 Bd7 39. Rd1 Qc6 40. Qd3 Rd8 41. Rdh1 Rdh8 42. Qd5 Qc5 43. Kf3 Bc8 44. Bf1 Bd7 45. Ke2 Qc8 46. Ke3 Bc6 47. Qd3 Bb7 48. Be2 1/2-1/2

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "11"]
[White "Sanchez, Marcelo"]
[Black "Lloyd, Osvaldo R"]
[Result "1/2-1/2"]
[ECO "B86"]
[PlyCount "82"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. a3 Be7 8. 0-0 0-0 9. Ba2 b5 10. f4 Bb7 11. Qe2 Qc7 12. Bd2 Nbd7 13. Rae1 Nc5 14. Qf3 d5 15. exd5 Rfd8 16. Qh3 Nxd5 17. Nxd5 Bxd5 18. Bxd5 Rxd5 19. c3 Bf6 20. Be3 Nd3 21. Re2 Bxd4 22. cxd4 Qc4 23. Qf3 b4 24. f5 exf5 25. axb4 Nxb4 26. g4 Nc6 27. gxf5 Nxd4 28. Bxd4 Qxd4+ 29. Kh1 Rad8 30. Rfe1 h6 31. Rg1 Qf6 32. Reg2 g5 33. h4 Qxf5 34. Qxf5 Rxf5 35. hxg5 hxg5 36. Rxg5+ Rxg5 37. Rxg5+ Kf8 38. Ra5 Rd6 39. Kg2 Rb6 40. Kf3 Ke7 41. Ke4 Ke6 1/2-1/2

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "6"]
[White "Sanchez, Marcelo"]
[Black "Needleman, Alejandro"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "176"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne8 10. Be3 Nc7 11. Bxc6 bxc6 12. Nbd2 Rb8 13. Nb3 Na6 14. Rc1 Qb6 15. Bd2 Bf5 16. Qe2 Rfc8 17. Nh4 Bd7 18. g4 Qb5 19. h3 c5 20. dxc5 Nxc5 21. Nxc5 Rxc5 22. Bc3 Qxe2 23. Rxe2 d4 24. Bd2 Rxe5 25. Rxe5 Bxe5 26. b3 Bd6 27. f4 f6 28. Nf3 e5 29. g5 exf4 30. gxf6 Bxh3 31. Rc6 Rb6 32. f7+ Kg7 33. Rc4 Bg4 34. Nxd4 Kxf7 35. Nc6 Be2 36. Rc2 f3 37. Be3 Rb5 38. Nd4 Re5 39. Rc3 Bb4 40. Rc7+ Ke8 41. Kf2 Be7 42. Nxf3 Bxf3 43. Kxf3 a5 44. Bb6 Rf5+ 45. Kg2 h5 46. Ra7 Bb4 47. Rg7 g5 48. Rh7 g4 49. Bf2 Be7 50. Be1 Rc5 51. Bf2 Rd5 52. Be1 Kf8 53. Bf2 Bf6 54. Be1 Kg8 55. Ra7 Bd8 56. Bf2 Rd2 57. Ra8 Kf7 58. Kg1 h4 59. Bxh4 Bxh4 60. Rxa5 Bf2+ 61. Kf1 g3 62. Rg5 Rxa2 63. b4 Rb2 64. Rg4 Kf6 65. Kg2 Kf5 66. Rg8 Rxb4 67. Rf8+ Ke4 68. Re8+ Kd3 69. Rd8+ Rd4 70. Rg8 Ke2 71. Re8+ Kd1 72. Re6 Rh4 73. Rd6+ Ke2 74. Re6+ Kd3 75. Rd6+ Ke4 76. Re6+ Kf5 77. Re8 Rh5 78. Rg8 Rg5 79. Re8 Bd4 80. Re2 Be5 81. Kf3 Rg7 82. Ra2 Rc7 83. Re2 Bf4 84. Ra2 Rc3+ 85. Kg2 Kg4 86. Rb2 Rd3 87. Kf1 Rd1+ 88. Kg2 Rd2+ 0-1

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "2"]
[White "Sanchez, Marcelo"]
[Black "Roldan, Adrian"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "61"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. d3 Nc6 5. Nbd2 e5 6. e4 d4 7. 0-0 Be7 8. h3 0-0 9. a4 Ne8 10. Ne1 Be6 11. f4 f6 12. f5 Bf7 13. Nef3 Nd6 14. b3 a6 15. Rf2 b5 16. Bf1 Na5 17. Ba3 Qc7 18. g4 c4 19. bxc4 bxc4 20. h4 c3 21. Nb1 Rab8 22. g5 Bh5 23. Rg2 fxg5 24. hxg5 Qd8 25. f6 Bxf6 26. gxf6 Qxf6 27. Be2 Bxf3 28. Bxf3 Qf4 29. Bxd6 Qe3+ 30. Rf2 Qg5+ 31. Kf1 1-0

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "4"]
[White "Sanchez, Marcelo"]
[Black "Villarreal, Pablo"]
[Result "1-0"]
[ECO "C36"]
[PlyCount "53"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. 0-0 Nxd5 8. d4 Nc6 9. c4 Ne3 10. Bxe3 fxe3 11. d5 Bc5 12. Kh1 Qe7 13. Qa4 0-0-0 14. dxc6 g5 15. cxb7+ Kb8 16. Nc3 g4 17. Ng1 h5 18. b4 Bxb4 19. Nd5 Rxd5 20. cxd5 h4 21. Rf4 h3 22. g3 Qe5 23. Qxb4 Re8 24. Qd4 Qd6 25. Re4 Rxe4 26. Qxe4 Qf6 27. Rb1 1-0

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "12"]
[White "Sansoni, Claudio"]
[Black "Sanchez, Marcelo"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "62"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 Be7 7. 0-0 Nf6 8. Ng5 0-0 9. Qb3 Qe8 10. f4 h6 11. Nf3 d6 12. Qc2 Bg4 13. Ne2 Rc8 14. Qb1 a6 15. h3 Bxf3 16. Rxf3 Nd4 17. Nxd4 Rxc4 18. fxe5 dxe5 19. Nf5 Bc5+ 20. Kh2 Kh8 21. Bxh6 gxh6 22. Qd3 Qe6 23. Nxh6 Nh5 24. Ng4 Nf4 25. Qf1 Rc2 26. Rxf4 exf4 27. Qxf4 f5 28. exf5 Bd6 29. fxe6 Bxf4+ 30. Kg1 Re8 31. Rf1 Bd6 0-1

[Event "ARG U20-ch"]
[Site "St Rosa"]
[Date "1983.??.??"]
[Round "7"]
[White "Slipak, Sergio"]
[Black "Sanchez, Marcelo"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "109"]
[EventDate "1983.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. 0-0 dxe4 8. dxe4 0-0 9. e5 Nd5 10. c3 b6 11. Re1 Bb7 12. Qa4 Qd7 13. Qg4 Rae8 14. Ne4 f5 15. exf6 Nxf6 16. Nxf6+ Bxf6 17. Bf4 Qf7 18. Ng5 Bxg5 19. Qxg5 h6 20. Qg4 e5 21. Bxh6 Qxf2+ 22. Kh1 Qxg2+ 23. Kxg2 Nd4+ 24. Re4 Nf5 25. Rf1 Nxh6 26. Rxf8+ Kxf8 27. Qe2 Nf7 28. Kf1 Bxe4 29. Qxe4 Re6 30. Qa8+ Ke7 31. Qxa7+ Kf6 32. a4 e4 33. a5 bxa5 34. Qxc5 Re5 35. Qb6+ Ke7 36. Ke2 e3 37. b4 axb4 38. cxb4 Nd6 39. Qc7+ Ke6 40. Qc6 Ke7 41. Qc7+ Ke6 42. Qxg7 Nf5 43. Qg8+ Kd6 44. Qd8+ Ke6 45. g4 Ne7 46. Qd4 Nd5 47. b5 Kd6 48. h4 Re7 49. h5 Rf7 50. b6 Rf2+ 51. Ke1 Rh2 52. b7 Rh1+ 53. Ke2 Rh2+ 54. Kf3 Rf2+ 55. Kg3 1-0

