[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "Bauza Mercere, Eduardo"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "54"]
[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. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 Bg4 7. Be2 e6 8. Nc3 Bb4 9. 0-0 Bxc3 10. bxc3 Nge7 11. Qb3 Qxb3 12. axb3 0-0 13. h3 Bh5 14. Bf4 Rfd8 15. Rfe1 a6 16. Ne5 Nxe5 17. Bxe5 Bxe2 18. Rxe2 Rac8 19. c4 Nc6 20. Rd1 f6 21. Bg3 Nxd4 22. Red2 e5 23. Kf1 Re8 24. Rd3 Ne6 25. f3 Red8 26. Bf2 Kf7 27. Rd7+ Ke8 0-1

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "Lida Garcia, Fernando"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "66"]
[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 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. Nbd4 0-0 11. c3 Nxd4 12. Qxd4 Qc7 13. Bg5 f6 14. Bh4 Be6 15. Bd3 Nc6 16. Qa4 Rac8 17. Bg3 Bxg3 18. hxg3 Ne5 19. Nd4 Nxd3 20. Nxe6 Nc5 21. Nxc7 Nxa4 22. Nxd5 Rc5 23. Ne3 b6 24. Rab1 Rd8 25. c4 Rd2 26. b4 Re5 27. c5 Nc3 28. Rfc1 Ne2+ 29. Kf1 Nxc1 30. Rxc1 bxc5 31. Nc4 Rxa2 32. Nxe5 fxe5 33. bxc5 Rd2 1/2-1/2

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Hernandez"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "92"]
[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. d4 e6 3. d5 exd5 4. exd5 d6 5. Bd3 g6 6. Qe2+ Qe7 7. Bg5 Qxe2+ 8. Nxe2 Be7 9. Bxe7 Nxe7 10. Nbc3 0-0 11. Nb5 Na6 12. a3 Rd8 13. Nec3 Bf5 14. 0-0-0 Bxd3 15. Rxd3 c4 16. Rd4 Nc5 17. Rxc4 a6 18. Nxd6 Nd3+ 19. cxd3 Rxd6 20. Re1 Nxd5 21. Rd4 Rad8 22. Rxd5 Rxd5 23. Nxd5 Rxd5 24. Kd2 Kg7 25. b4 b5 26. Re4 Kf6 27. Ke3 Rd6 28. h4 h6 29. g4 Kg7 30. Re5 Rc6 31. Rc5 Re6+ 32. Kf3 Rf6+ 33. Kg3 Rd6 34. Rc3 f5 35. g5 hxg5 36. hxg5 Kf7 37. Kf4 Ke6 38. Ke3 Kd7 39. Rc1 Re6+ 40. Kd2 Kd6 41. f4 Re8 42. Rh1 Kd5 43. Rh7 Re6 44. Rd7+ Kc6 45. Rd8 Kc7 46. Ra8 Kb7 1-0

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Morillas, Emilio"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "45"]
[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 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 f5 5. d3 Nf6 6. 0-0 h6 7. b4 Bd4 8. Nxd4 Nxd4 9. Nd5 b5 10. c3 bxc4 11. cxd4 exd4 12. dxc4 c6 13. Nxf6+ Qxf6 14. Bb2 fxe4 15. Bxd4 Qg6 16. Bc5 d5 17. f3 Ba6 18. b5 Bb7 19. fxe4 dxc4 20. Qd4 Rd8 21. Qe5+ Kd7 22. Qe7+ Kc8 23. Rf7 1-0

[Event "Buenos Aires CAA op"]
[Site "Buenos Aires"]
[Date "1973.??.??"]
[Round "?"]
[White "Puiggros, Guillermo"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "101"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. 0-0 Bd6 9. Re1+ Ne7 10. dxc5 Bxc5 11. Nb3 Bd6 12. Be3 0-0 13. Bc5 Nf5 14. Nfd4 Qc7 15. Nxf5 Bxf5 16. Bxd6 Qxd6 17. Qd2 c5 18. c3 a5 19. Qe3 Rfc8 20. Qe5 Qxe5 21. Rxe5 Be6 22. f4 a4 23. Nd2 g6 24. c4 Rd8 25. g4 Kg7 26. f5 gxf5 27. gxf5 Kf6 28. Rae1 Bxf5 29. cxd5 Rg8+ 30. Kf2 Rab8 31. b3 axb3 32. axb3 Rb4 33. d6 Rf4+ 34. Nf3 Bg4 35. R5e3 Rd8 36. Rc1 Rf5 37. h3 Bxf3 38. Rxf3 Rxf3+ 39. Kxf3 Rxd6 40. Rxc5 Rd3+ 41. Kg4 Rxb3 42. h4 Rb4+ 43. Kh5 Re4 44. Rc6+ Kg7 45. Rc5 Kf8 46. Rc8+ Re8 47. Rc5 Re6 48. Rg5 Rg6 49. Re5 Kg7 50. Ra5 Rg1 51. Rc5 1/2-1/2

[Event "ARG-ch48"]
[Site "Buenos Aires"]
[Date "1971.??.??"]
[Round "9"]
[White "Aparicio, Anibal"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D16"]
[PlyCount "31"]
[EventDate "1971.11.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Bg4 7. Bxc4 e6 8. 0-0 Be7 9. Be3 Qa5 10. h3 Bh5 11. Qe2 Nb4 12. Rac1 0-0 13. g4 Bg6 14. Nd2 c5 15. dxc5 Bxc5 16. Nb3 1-0

[Event "ARG-ch48"]
[Site "Buenos Aires"]
[Date "1971.??.??"]
[Round "1"]
[White "Rubinetti, Jorge Alberto"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D16"]
[PlyCount "87"]
[EventDate "1971.11.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Bg4 7. Bxc4 e6 8. Be3 Be7 9. h3 Bh5 10. 0-0 0-0 11. Be2 Qa5 12. Ne5 Bxe2 13. Qxe2 Nb4 14. Rfd1 Qa6 15. Qxa6 Nxa6 16. Rac1 Rfd8 17. Nc4 Nb4 18. Kf1 Kf8 19. Ke2 Rac8 20. g4 c5 21. dxc5 Rxd1 22. Rxd1 Bxc5 23. Rd8+ Rxd8 24. Bxc5+ Kg8 25. Bxb4 Rd4 26. b3 b6 27. f3 Ne8 28. Nb5 Rd7 29. e5 Nc7 30. Nxc7 Rxc7 31. Kd3 f6 32. Bd6 Rd7 33. Kd4 Kf7 34. b4 Kg6 35. f4 f5 36. b5 Rb7 37. Ne3 fxg4 38. hxg4 Kf7 39. f5 a6 40. fxe6+ Kxe6 41. bxa6 Ra7 42. Nd5 Kd7 43. Nc7 Kc6 44. e6 1-0

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.29"]
[Round "9"]
[White "Szmetan, Jorge"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "75"]
[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 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Be7 6. Bd3 Nbd7 7. 0-0 b6 8. e4 dxe4 9. Nxe4 Bb7 10. Bf4 Nxe4 11. Bxe4 Nf6 12. Bc2 0-0 13. Qe2 c5 14. Rad1 cxd4 15. Nxd4 Qc8 16. b3 Re8 17. Rfe1 Bb4 18. Bd2 Bxd2 19. Qxd2 a6 20. a4 Qc7 21. f3 Rad8 22. Qg5 h6 23. Qe3 Qc5 24. Bb1 Rd7 25. Nc2 Red8 26. Qxc5 bxc5 27. Ne3 a5 28. Rxd7 Rxd7 29. Rd1 Kf8 30. Kf2 Ke7 31. Rxd7+ Kxd7 32. Nd1 Ne8 33. Nb2 Kd6 34. Ke3 Nf6 35. Nd3 Nd7 36. Bc2 Ne5 37. Nf4 Bc6 38. h4 1/2-1/2

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.26"]
[Round "6"]
[White "Piazzini, Luis Roberto"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[ECO "A48"]
[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. d4 Nf6 2. Nf3 g6 3. h3 Bg7 4. Bf4 c5 5. e3 0-0 6. c3 b6 7. Nbd2 Bb7 8. Bc4 d6 9. 0-0 Nbd7 10. Bh2 a6 11. Qe2 b5 12. Bd3 Re8 13. e4 cxd4 14. cxd4 e5 15. dxe5 dxe5 16. Nb3 Qb6 17. Rfd1 Nh5 18. Qe3 Qxe3 19. fxe3 Rad8 20. a4 b4 21. Rac1 Bh6 22. Kf2 Nhf6 23. Rc7 Bxe4 24. Bxe4 Nxe4+ 25. Ke2 Nef6 26. Bxe5 Nxe5 27. Rxd8 Rxd8 28. Nxe5 Re8 29. Rc5 Nd7 30. Nxd7 Rxe3+ 31. Kf2 Rxb3 32. Rc2 Be3+ 33. Kf3 f5 34. Nf6+ Kg7 35. Nd5 Bd4+ 36. Kf4 Rxb2 37. Rxb2 Bxb2 38. Nxb4 a5 39. Nc6 Bc3 40. g4 fxg4 41. hxg4 Kf6 42. Na7 Bd2+ 43. Ke4 Kg5 44. Kf3 h5 45. gxh5 Kxh5 46. Nc6 Bc3 47. Ne7 g5 48. Nf5 g4+ 49. Kg3 Kg5 50. Ne3 Be5+ 51. Kg2 Kf4 52. Nc4 1/2-1/2

[Event "Mar del Plata International Open-03"]
[Site "Mar del Plata"]
[Date "1970.03.25"]
[Round "5"]
[White "Piazzini, Luis Roberto"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "A55"]
[PlyCount "141"]
[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. Nf3 d6 3. h3 c6 4. c4 Nbd7 5. Nc3 e5 6. e4 Be7 7. Bd3 0-0 8. d5 Nh5 9. Bc2 g6 10. Bh6 Ng7 11. g4 Nf6 12. Qe2 c5 13. 0-0-0 Kh8 14. Rdg1 a6 15. Nd2 b5 16. f4 exf4 17. Bxf4 Nd7 18. Kb1 Rb8 19. h4 f6 20. h5 g5 21. h6 Ne8 22. Bg3 Ne5 23. Bxe5 fxe5 24. Nd1 Rf4 25. Ne3 Nc7 26. Bd3 bxc4 27. Bxc4 Nb5 28. Bxb5 axb5 29. Nf5 c4 30. Qe3 Qd7 31. Rh3 Bd8 32. Rg2 Bb6 33. Qc3 Ra8 34. Nf3 Qa7 35. Nxd6 Bd4 36. Qa3 Qxa3 37. bxa3 Bxg4 38. Nxg5 Raf8 39. Ngf7+ R8xf7 40. Nxf7+ Kg8 41. Rhg3 Kxf7 42. Rxg4 Rf1+ 43. Kc2 Ra1 44. Rg7+ Kf6 45. R2g5 Rxa2+ 46. Kd1 Ra1+ 47. Ke2 Ra2+ 48. Kd1 Ra1+ 49. Ke2 Ra2+ 50. Kf3 Rf2+ 51. Kg3 c3 52. Rf5+ Rxf5 53. exf5 e4 54. Kg4 Be5 55. Rb7 Bd6 56. Rb6 Ke5 57. Rc6 Bxa3 58. Rxc3 Bd6 59. Rc8 Kxd5 60. Rh8 b4 61. Rxh7 Kc6 62. Ra7 b3 63. Ra1 Be5 64. Rb1 b2 65. Kg5 Kd6 66. Kg6 Ke7 67. Re1 Kf8 68. f6 Kg8 69. Rd1 Bc7 70. h7+ Kh8 71. f7 1-0

[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 "1970.03.21"]
[Round "1"]
[White "Piazzini, Luis Roberto"]
[Black "Altieri, Alejandro"]
[Result "1-0"]
[ECO "D61"]
[PlyCount "83"]
[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. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Qc2 c6 8. a3 b6 9. cxd5 exd5 10. Bd3 Bb7 11. 0-0 Re8 12. Ne5 h6 13. Bf4 Nxe5 14. dxe5 Nd7 15. Bg3 Nf8 16. Ne2 a6 17. Rad1 Ne6 18. f4 Nc5 19. Bh7+ Kh8 20. b4 Nd7 21. Bd3 c5 22. Qb2 Ra7 23. Bb1 Qa8 24. Nc3 Nf8 25. h4 Bc6 26. f5 Bd8 27. Ba2 Rd7 28. e4 d4 29. Nd5 Bxd5 30. exd5 Rxd5 31. Qb3 Rd7 32. e6 fxe6 33. fxe6 Nxe6 34. Rde1 Rde7 35. Rxe6 Rxe6 36. Qxe6 Rxe6 37. Rf8+ Kh7 38. Bxe6 d3 39. Be5 Kg6 40. g4 Bxh4 41. Rxa8 d2 42. Bb3 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.19"]
[Round "15"]
[White "Piazzini, Luis Roberto"]
[Black "Pelikan, Jorge"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "86"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 Nc6 5. Nf3 d6 6. Bb5 Qb6 7. c4 Nc7 8. Bxc6+ bxc6 9. exd6 exd6 10. 0-0 cxd4 11. Nxd4 Be7 12. Re1 c5 13. Nb3 Be6 14. Nc3 Bxc4 15. Bg5 Be6 16. Bxe7 Kxe7 17. Nd5+ Nxd5 18. Qxd5 Rhe8 19. Qh5 h6 20. Qf5 Kd7 21. Qf3 Rab8 22. Rad1 Bxb3 23. axb3 Qxb3 24. Qg4+ Re6 25. Rxe6 fxe6 26. Qxg7+ Kc6 27. Rd2 Qc4 28. Rd1 Qc2 29. Rf1 Rxb2 30. Qxa7 Rb1 31. Qa8+ Kd7 32. g3 Rxf1+ 33. Kxf1 Qd1+ 34. Kg2 Qd5+ 35. Qxd5 exd5 36. f4 c4 37. Kf3 d4 38. Ke4 d3 39. Ke3 d5 40. g4 d4+ 41. Kd2 Ke6 42. h4 Kd5 43. g5 Ke4 0-1

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.17"]
[Round "14"]
[White "Foguelman, Alberto"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "69"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Qb3 h6 9. Bh4 Bb4 10. Rc1 0-0 11. Bd3 e5 12. 0-0 exd4 13. Nxd5 cxd5 14. exd4 Bd6 15. Bb1 Nb6 16. Qd3 g6 17. Ne5 Bxe5 18. dxe5 Be6 19. Bf6 Nd7 20. Qg3 Kh7 21. h4 Qb4 22. h5 Qg4 23. Qxg4 Bxg4 24. Rc7 Rab8 25. Re1 Be6 26. Re3 Rfc8 27. Rec3 d4 28. Rxc8 dxc3 29. Rxc3 Nxf6 30. exf6 Rd8 31. hxg6+ fxg6 32. Rc7+ Kg8 33. Bxg6 Bd5 34. Re7 Bc6 35. f7+ 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.16"]
[Round "13"]
[White "Visconti"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "38"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. e5 Nfd7 5. Bb5 e6 6. 0-0 a6 7. Bxd7+ Bxd7 8. d3 Nc6 9. Bf4 Be7 10. Re1 g5 11. Bc1 h6 12. Nd2 Qc7 13. f4 0-0-0 14. Nf3 g4 15. Nd2 Nd4 16. Ne2 Nf5 17. c3 Ne3 18. Qb3 c4 19. dxc4 dxc4 0-1

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.13"]
[Round "12"]
[White "Piazzini, Luis Roberto"]
[Black "Incutto, Carlos"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "53"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Bxf6 Qxf6 6. Nxe4 Qd8 7. Nf3 Nd7 8. Bd3 Be7 9. 0-0 0-0 10. c3 b6 11. Qc2 Bb7 12. Rad1 Bf6 13. Rfe1 g6 14. Qe2 Bg7 15. Ba6 Bxa6 16. Qxa6 c6 17. Ne5 Qc7 18. Nxd7 Qxd7 19. Qc4 Qd5 20. Qxd5 cxd5 21. Nd2 Rfc8 22. Nb3 Rc4 23. Kf1 a5 24. Nd2 Rc7 25. Ke2 b5 26. Kd3 Bf8 27. Rc1 1/2-1/2

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.12"]
[Round "11"]
[White "Emma, Jaime"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "136"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. d3 0-0 6. Nbd2 h6 7. c3 Nc6 8. e4 dxe4 9. dxe4 Be6 10. h3 Qd6 11. Qe2 Nd7 12. Rd1 Nde5 13. Nxe5 Nxe5 14. Nb3 Bc4 15. Qe1 Qf6 16. f4 Nd3 17. Rxd3 Bxd3 18. e5 Qa6 19. Nc5 Qb5 20. Be3 Bf5 21. b3 b6 22. c4 Qe8 23. g4 bxc5 24. gxf5 Rd8 25. Bxc5 Qd7 26. fxg6 fxg6 27. Qe4 g5 28. fxg5 hxg5 29. Re1 Qe6 30. Bxa7 Rf5 31. Qd5 Qxd5 32. Bxd5+ Rxd5 33. cxd5 Bxe5 34. Bf2 Bd6 35. Rd1 Kf7 36. Kg2 Ke8 37. a4 Kd8 38. a5 Kc8 39. a6 Kb8 40. Rd3 Kc8 41. b4 Kd7 42. b5 Be5 43. Re3 Kd6 44. a7 Rf8 45. Rxe5 Kxe5 46. Bg3+ Kxd5 47. Bxc7 Ra8 48. Bb8 Kc5 49. Kf3 Kxb5 50. Kg4 Kc4 51. Kxg5 e5 52. Kf5 Kd5 53. h4 e4 54. Kf4 Kd4 55. h5 e3 56. h6 e2 57. h7 e1Q 58. h8Q+ Kd5 59. Qd8+ Kc4 60. Qc8+ Kd4 61. Qd7+ Kc4 62. Qc6+ Kd4 63. Qxa8 Qh4+ 64. Kf5 Qh5+ 65. Kf6 Qh6+ 66. Ke7 Qg7+ 67. Kd8 Qf8+ 68. Kc7 Qe7+ 1/2-1/2

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.09"]
[Round "10"]
[White "Piazzini, Luis Roberto"]
[Black "Saadi, Julio C"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "106"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nc7 5. d4 cxd4 6. Qxd4 Nc6 7. Qc3 b6 8. Be2 Bb7 9. 0-0 Ne6 10. h4 g6 11. h5 gxh5 12. Nh4 Ng7 13. Nd2 e6 14. g3 Bb4 15. Qe3 Qc7 16. Ndf3 h6 17. a3 Be7 18. Bd2 Bxh4 19. Nxh4 Qxe5 20. Qxe5 Nxe5 21. Bc3 f6 22. Rad1 Rg8 23. Bxe5 fxe5 24. Rd6 Bd5 25. cxd5 Ke7 26. dxe6 Kxd6 27. Rd1+ Kxe6 28. Bc4+ Ke7 29. Bxg8 Rxg8 30. Re1 Kf6 31. Rc1 Ne6 32. Kf1 Rg4 33. Rc8 Rd4 34. Ke2 Rd5 35. Rh8 Kg7 36. Ra8 a5 37. Nf5+ Kf6 38. Ne3 Rb5 39. Nd1 Rb3 40. Kd2 Nd4 41. Rh8 Nf5 42. Kc2 Rf3 43. Rb8 b5 44. Kc1 Nd4 45. Rb6+ Kg5 46. Rd6 Rd3 47. Nc3 b4 48. Nb5 b3 49. Nxd4 Rxd4 50. f4+ exf4 51. Rxd4 fxg3 52. Kd2 g2 53. Rxd7 Kf6 0-1

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.08"]
[Round "9"]
[White "Marini, Luis"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "100"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d5 5. d4 exd4 6. Nxd4 Nxd4 7. Qxd4 Be6 8. cxd5 Nxd5 9. e4 Nb6 10. Qxd8+ Rxd8 11. Nb5 c6 12. Nc7+ Kd7 13. Nxe6 Kxe6 14. Be3 Bd6 15. f4 Rhe8 16. Kf2 Nd7 17. Bc4+ Ke7 18. Rhd1 Bc7 19. a4 Bb6 20. Bxb6 Nxb6 21. Bb3 a5 22. g4 f6 23. h4 h6 24. h5 Rd6 25. e5 fxe5 26. fxe5 Rxd1 27. Rxd1 Nd7 28. Re1 Kd8 29. e6 Nc5 30. Bc4 Ke7 31. b3 b6 32. Kg2 Rd8 33. Re5 Rd4 34. Kf3 Rd6 35. g5 Nxe6 36. gxh6 gxh6 37. Kg4 Kf6 38. Rf5+ Kg7 39. Re5 Kf6 40. Rf5+ Kg7 41. Re5 Nd4 42. Re7+ Kf6 43. Rf7+ Ke5 44. Re7+ Ne6 45. Re8 c5 46. Re7 Rd4+ 47. Kg3 Rd6 48. Kg4 Rd4+ 49. Kg3 Rd6 50. Kg4 Rd4+ 1/2-1/2

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.05"]
[Round "8"]
[White "Piazzini, Luis Roberto"]
[Black "Fenoglio, Virgilio"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "99"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. d4 e6 5. Be2 Nf6 6. e5 Nfd7 7. 0-0 c5 8. Bg5 Be7 9. Bxe7 Qxe7 10. Nb5 Nb6 11. dxc5 Qxc5 12. Nd6+ Kf8 13. Ng5 Bf5 14. Bd3 Nc6 15. Ndxf7 Qe7 16. f4 Rg8 17. Bxf5 exf5 18. Qh5 h6 19. Nh7+ Ke8 20. Nd6+ Kd7 21. Nxf5 Qe6 22. Nxg7 Rxg7 23. Nf6+ Kc7 24. Qxh6 Re7 25. Rad1 Rd8 26. c3 Kb8 27. Rf3 Nd7 28. Rxd5 Nxf6 29. Rxd8+ Nxd8 30. Qxf6 Qxf6 31. exf6 Rf7 32. g4 Rxf6 33. Kg2 Kc7 34. f5 Nf7 35. Kg3 Ra6 36. a3 Rb6 37. Rf2 Ng5 38. Re2 Rd6 39. Re3 Kd7 40. h4 Nf7 41. g5 Rd1 42. f6 Nd6 43. Re7+ Kd8 44. Kg4 Rg1+ 45. Kh5 a5 46. Kg6 Rg2 47. h5 Rxb2 48. h6 Rh2 49. h7 b5 50. Rg7 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.04"]
[Round "7"]
[White "Bazan, Osvaldo"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "65"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Bg5 h6 7. Bd2 Bg7 8. Qc1 Qe7 9. Bd3 Nh5 10. Nge2 Nd7 11. 0-0 Ndf6 12. f3 g5 13. g3 Bh3 14. Rf2 Bd7 15. a3 0-0 16. b4 b6 17. Nd1 Ne8 18. Ne3 f5 19. exf5 e4 20. Bxe4 Bxa1 21. Qxa1 Nef6 22. Bd3 cxb4 23. axb4 a5 24. bxa5 bxa5 25. Nd4 Ng7 26. Ne6 Bxe6 27. fxe6 a4 28. Qa3 Rfb8 29. Bc2 h5 30. f4 Ng4 31. Nxg4 hxg4 32. Qd3 Nh5 33. Bc3 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.11.01"]
[Round "6"]
[White "Piazzini, Luis Roberto"]
[Black "Rodriguez, Alberto2"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "91"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d3 Bg7 4. e4 d6 5. Nge2 c5 6. g3 Nc6 7. Bg2 Be6 8. h3 Rb8 9. f4 0-0 10. Be3 a6 11. 0-0 Qc8 12. g4 b5 13. f5 Bd7 14. Qd2 Ne5 15. b3 bxc4 16. dxc4 Bc6 17. Bh6 Qb7 18. Bxg7 Kxg7 19. Nd5 Bxd5 20. exd5 Qb4 21. Qe3 a5 22. Nc3 h6 23. fxg6 fxg6 24. Ne2 a4 25. Nf4 Rfe8 26. g5 Ng8 27. gxh6+ Nxh6 28. Ne6+ Kh7 29. Ng5+ Kg7 30. Ne6+ Kh7 31. Rf4 Rh8 32. Rh4 Nef7 33. Rxh6+ Nxh6 34. Ng5+ Kg8 35. Qe6+ Kg7 36. Qxe7+ Kg8 37. Qe6+ Kg7 38. Be4 Nf5 39. Bxf5 gxf5 40. Qf7+ Kh6 41. Qf6+ Kh5 42. Nf3 Rbg8+ 43. Kh1 axb3 44. axb3 Qb8 45. Re1 Qd8 46. Re7 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.10.31"]
[Round "5"]
[White "Wexler, Bernardo"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "85"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. d3 d5 6. Nbd2 Re8 7. e4 dxe4 8. dxe4 Nc6 9. h3 e5 10. c3 b6 11. Qe2 a5 12. Re1 Ba6 13. Qe3 Qd7 14. Nh2 Rad8 15. Qf3 Qd3 16. Re3 Qd6 17. Nhf1 Qe6 18. Re1 Rd6 19. Ne3 Red8 20. Ndf1 Bd3 21. Ng4 h5 22. Ngh2 a4 23. g4 Bc4 24. Bg5 hxg4 25. Nxg4 Bxf1 26. Bxf1 Ne7 27. Ne3 Nh7 28. Bh4 Bf6 29. Bg3 Ng5 30. Qh1 Rd2 31. h4 Nh7 32. Nc4 R2d7 33. Qh2 Nc6 34. b3 g5 35. Ne3 gxh4 36. Bh3 Qe8 37. Bxd7 Rxd7 38. Bxh4 Bg7 39. Rad1 axb3 40. axb3 f6 41. Qh3 Rf7 42. Rd3 Nd8 43. Qc8 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.10.28"]
[Round "4"]
[White "Piazzini, Luis Roberto"]
[Black "Espinosa, Raul"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "127"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Be3 0-0-0 9. Nd2 Ne7 10. 0-0-0 Ng6 11. f3 Be7 12. Rhe1 Bf6 13. Ne2 h5 14. Bd4 Bxd4 15. Nxd4 c5 16. N4b3 b6 17. Nc4 Be6 18. Ne3 Bxb3 19. axb3 Nf4 20. Rxd8+ Rxd8 21. h4 Ne6 22. c3 Nf4 23. Kc2 c6 24. g3 Ne6 25. f4 Re8 26. e5 Kc7 27. Nf5 Rf8 28. Nd6 f6 29. Nc4 f5 30. Ra1 Kb7 31. Rd1 Kc7 32. Rd6 Re8 33. Nd2 Nf8 34. Nc4 Re6 35. Rd1 b5 36. Nd6 g6 37. Ra1 Kb6 38. Nc8+ Kb7 39. Nd6+ Kb6 40. Nf7 Re7 41. Ng5 Rd7 42. b4 cxb4 43. cxb4 Kb7 44. Kc3 Kb6 45. Re1 Kb7 46. Re3 Kc7 47. Rd3 Rxd3+ 48. Kxd3 Kd7 49. Kd4 Kc7 50. b3 Nd7 51. Ne6+ Kb6 52. Nd8 Kc7 53. Nf7 Nf8 54. Ng5 Nd7 55. Nh7 Nb6 56. Nf8 Nd5 57. Nxg6 Nxb4 58. Ne7 Kb6 59. Nxf5 c5+ 60. Kc3 Nd5+ 61. Kb2 a5 62. Ng7 b4 63. f5 a4 64. bxa4 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.10.27"]
[Round "3"]
[White "Chemes, Luis Jorge"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "88"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Qd2 Bb4 9. Rc1 0-0 10. Bd3 Re8 11. e4 Nxc3 12. bxc3 Ba3 13. Rc2 e5 14. 0-0 exd4 15. cxd4 Qxd2 16. Nxd2 h6 17. Bh4 Nb6 18. Rb1 Be6 19. f4 f6 20. f5 Bf7 21. Nb3 Rad8 22. Bf2 Re7 23. Nc5 Bxc5 24. Rxc5 Nc8 25. a4 Rde8 26. a5 Nd6 27. e5 fxe5 28. Bh4 e4 29. Bxe7 Rxe7 30. Be2 Bd5 31. g4 h5 32. h3 hxg4 33. hxg4 Kf7 34. Rcc1 Kf6 35. Kh2 Kg5 36. Rb2 e3 37. Rf1 Re8 38. Rf3 Bxf3 39. Bxf3 Kf4 40. Kg2 Nc4 41. Ra2 Nd2 42. Be2 Re4 43. Rb2 Rxd4 44. Rxb7 Ne4 0-1

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.10.24"]
[Round "2"]
[White "Piazzini, Luis Roberto"]
[Black "Dominguez, Christobal"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "69"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nc6 6. c3 Qb6 7. Na3 e6 8. Rb1 Nge7 9. d4 cxd4 10. cxd4 d5 11. Be3 0-0 12. Qd2 a5 13. e5 Bd7 14. Rfc1 Rfc8 15. g4 Nb4 16. Nc3 a4 17. Bf1 f5 18. h3 Rf8 19. f4 fxg4 20. hxg4 g5 21. fxg5 Rf3 22. Kg2 Raf8 23. Be2 R3f7 24. Rf1 Ng6 25. Rxf7 Rxf7 26. Rf1 Rxf1 27. Kxf1 Nc6 28. Nxa4 Qd8 29. Nc5 Bc8 30. Nd3 Bf8 31. Nc2 b6 32. Nf4 Qxg5 33. Nxd5 Qh4 34. Nf6+ Kh8 35. Bf3 1-0

[Event "ARG-ch37"]
[Site "Buenos Aires"]
[Date "1959.10.23"]
[Round "1"]
[White "Farah, Rodolfo"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "74"]
[EventDate "1959.10.23"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. d4 e6 5. c4 Nc7 6. dxc5 Bxc5 7. a3 d5 8. b4 Be7 9. Bd2 0-0 10. Nc3 b6 11. Bd3 dxc4 12. Be4 Nd5 13. Qc2 f5 14. exf6 Bxf6 15. Bxh7+ Kh8 16. Rd1 Nc6 17. Ne4 Ne5 18. Nxe5 Bxe5 19. Ng5 Qf6 20. 0-0 Nf4 21. Be4 Rb8 22. Bxf4 Qxf4 23. Nf3 Bf6 24. Qxc4 Bb7 25. Rfe1 Rfe8 26. g3 Qg4 27. Qe2 Bd5 28. Nd2 Qxe2 29. Rxe2 Rbd8 30. Rc1 Bb2 31. Rc7 Bxa3 32. b5 Bxe4 33. Nxe4 Re7 34. Rc6 Rd5 35. Re3 Bb2 36. Rb3 Bd4 37. h4 Rf5 0-1

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "5"]
[White "Alvarez, Leonardo"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "113"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. Qc2 Re8 10. Bf4 Nf8 11. h3 Bd6 12. Bxd6 Qxd6 13. 0-0 Ng6 14. Rab1 Bd7 15. b4 Rad8 16. a4 b6 17. a5 Rb8 18. Rfc1 Re7 19. Bf5 Be8 20. axb6 axb6 21. Bxg6 hxg6 22. Ne5 Nd7 23. Nd3 b5 24. Ne2 Nb6 25. Qc5 Qc7 26. Ne5 Na4 27. Qc2 Qd6 28. Nf4 g5 29. Ne2 f6 30. Nf3 Nb6 31. Ng3 g6 32. Nd2 Nc4 33. Nxc4 bxc4 34. Qa4 Reb7 35. Ne2 Rxb4 36. Qa3 Qf8 37. Ra1 Rb2 38. Qxf8+ Kxf8 39. Nc3 Ke7 40. Na4 Rd2 41. Kf1 Ra8 42. Ke1 Rd3 43. Nc5 Rda3 44. Rxa3 Rxa3 45. Rb1 c3 46. Rc1 Bd7 47. Nxd7 Kxd7 48. Ke2 Ra2+ 49. Kf3 c2 50. Ke2 c5 51. dxc5 Kc6 52. Kd3 Kxc5 53. Rxc2+ Rxc2 54. Kxc2 Kc4 55. Kd2 f5 56. Kc2 d4 57. exd4 1/2-1/2

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "11"]
[White "Bartas"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "C81"]
[PlyCount "66"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[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. Qe2 Na5 10. Nbd2 Nxd2 11. Bxd2 c5 12. c3 Nxb3 13. axb3 Be7 14. Rxa6 0-0 15. Qxb5 Rb8 16. Qa4 Bd7 17. Qf4 Bb5 18. Rfa1 Bxa6 19. Rxa6 Rxb3 20. Bc1 d4 21. cxd4 cxd4 22. Qe4 d3 23. Nd2 Rb4 24. Qc6 Qc8 25. g3 h6 26. Nf3 Rd8 27. Kg2 Rc4 28. Qxc8 Rcxc8 29. Bd2 Rc2 30. Rb6 Bg5 31. Rd6 Rxd6 32. exd6 Bxd2 33. Nxd2 Kf8 0-1

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "6"]
[White "Bolbochan, Jacobo"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "58"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[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. Nbd2 Nf6 4. e3 c5 5. Bd3 Nbd7 6. 0-0 c4 7. Be2 b5 8. Ne5 Bb7 9. f4 Bd6 10. c3 Qb6 11. b3 0-0 12. a4 a6 13. Bb2 Rfd8 14. Ra2 Rac8 15. Ba1 cxb3 16. Qxb3 Bxe5 17. fxe5 Nxe5 18. axb5 axb5 19. dxe5 Qxe3+ 20. Rf2 Ne4 21. Nxe4 dxe4 22. Qxb5 Bc6 23. Qa5 Bd5 24. Qa7 Qg5 25. Qxf7+ Kh8 26. Qf4 Qxf4 27. Rxf4 Bxa2 28. Rxe4 Rd2 29. Bg4 Bd5 0-1

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "10"]
[White "Castelli, Raul A"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "110"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 Nc6 5. Nf3 cxd4 6. cxd4 d6 7. Qb3 e6 8. Nc3 dxe5 9. Nxe5 Bd6 10. Bb5 0-0 11. Nf3 Bd7 12. Nxd5 exd5 13. 0-0 Bg4 14. Bg5 Nxd4 15. Qe3 Nc2 16. Qd3 Qb6 17. Rad1 Nb4 18. Qe2 d4 19. a3 Bxf3 20. gxf3 Qc5 21. Bh4 Nd5 22. Qc4 Nc7 23. Qxc5 Bxc5 24. Bd7 f6 25. b4 Rad8 26. Ba4 Bd6 27. Kg2 g5 28. Bg3 Be5 29. Rfe1 Nd5 30. Bxe5 fxe5 31. Rxe5 Kg7 32. Rxg5+ Kf6 33. Rg4 Nc3 34. Rf4+ Kg7 35. Rg4+ Kh8 36. Rgxd4 Nxd1 37. Rxd1 Rxd1 38. Bxd1 Rd8 39. Bc2 Rd2 40. Be4 b6 41. b5 Ra2 42. Bd3 Rxa3 43. Be2 Kg7 44. Kg3 Kf6 45. h3 Ke5 46. Kg4 Ra4+ 47. Kg3 Rd4 48. Bf1 Kf5 49. h4 Rd1 50. Bc4 Rg1+ 51. Kh2 Rg7 52. Bd3+ Ke5 53. Kh3 h6 54. Be4 Kd4 55. Bf5 Kc4 0-1

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "3"]
[White "Cruz, Raul C"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D61"]
[PlyCount "128"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[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 e6 5. Bg5 Be7 6. e3 0-0 7. Qc2 Nbd7 8. Rd1 a6 9. Bd3 b5 10. c5 h6 11. Bf4 b4 12. Na4 a5 13. 0-0 Ba6 14. Ne5 Nxe5 15. Bxe5 Nd7 16. Bxa6 Rxa6 17. Qe2 Ra7 18. Bg3 Qc8 19. Rc1 Rd8 20. Rc2 Qb7 21. Qd3 Nf6 22. f3 Ne8 23. a3 Nf6 24. Rfc1 Nd7 25. axb4 axb4 26. b3 Rda8 27. e4 Bf6 28. e5 Bd8 29. f4 f5 30. exf6 Nxf6 31. f5 Ne4 32. fxe6 Rxa4 33. bxa4 Qe7 34. Be5 Qxe6 35. Rf1 Rxa4 36. Qb3 Ra5 37. Qxb4 Rb5 38. Qa3 Be7 39. Qa8+ Kh7 40. Qe8 Nxc5 41. Rcf2 Bf6 42. Qxe6 Nxe6 43. Rxf6 gxf6 44. Rxf6 Ng5 45. Rxc6 Ne4 46. Rc7+ Kg6 47. Rg7+ Kh5 48. h3 Ng5 49. Kh2 Rb2 50. Rd7 Nf3+ 51. Kg3 Ne1 52. Rxd5 Rxg2+ 53. Kf4 Rh2 54. Ke4 Re2+ 55. Kf5 Kh4 56. Rd6 h5 57. Rh6 Rf2+ 58. Ke4 Kxh3 59. Rxh5+ Kg4 60. Rh2 Rxh2 61. Bxh2 Nf3 62. d5 Nxh2 63. d6 Nf3 64. Kd5 Ng5 1/2-1/2

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "8"]
[White "Espinosa, Raul"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "71"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. d4 e6 4. Bg2 Nbd7 5. 0-0 Be7 6. Nbd2 c5 7. c4 cxd4 8. Nxd4 Nb6 9. cxd5 Nfxd5 10. N2f3 0-0 11. e4 Nb4 12. a3 Nc6 13. Nxc6 bxc6 14. Qc2 Ba6 15. Rd1 Qe8 16. Bf4 Rc8 17. a4 c5 18. a5 Na8 19. Ne5 f6 20. Nd7 Rf7 21. Be3 Bb5 22. Nxc5 Nc7 23. Qb3 Bxc5 24. Bxc5 Na6 25. Bd6 Bc4 26. Qe3 Qb5 27. Bh3 Nb4 28. Qc3 Nc6 29. Rac1 Nxa5 30. b3 Rfc7 31. bxc4 Nxc4 32. Bf1 Qa4 33. Bxc4 Rxc4 34. Qe3 Rc3 35. Rxc3 Qxd1+ 36. Kg2 1-0

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "7"]
[White "Foguelman, Alberto"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "79"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Bd3 Ne4 9. 0-0 Ndf6 10. Bxf6 Nxf6 11. Ne5 Bb4 12. Na4 0-0 13. a3 Bd6 14. f4 c5 15. Nxc5 Bxc5 16. dxc5 Qxc5 17. Qf3 Ng4 18. Rae1 Nxe5 19. fxe5 Be6 20. Qh5 g6 21. Qg5 d4 22. Kh1 dxe3 23. Rxe3 Rad8 24. h4 Rd4 25. Be4 Rfd8 26. h5 Rd1 27. Ree1 R1d7 28. hxg6 hxg6 29. Bxg6 fxg6 30. Qxg6+ Rg7 31. Qxe6+ Kh8 32. Rf7 Qc6 33. Qxc6 bxc6 34. Rxg7 Kxg7 35. e6 Rh8+ 36. Kg1 Kf8 37. Rc1 Ke7 38. Rxc6 Rb8 39. b4 a5 40. bxa5 1-0

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "4"]
[White "Garcia, Raimundo"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D48"]
[PlyCount "67"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 e5 11. 0-0 Bd6 12. b3 Nf8 13. a4 b4 14. Ne2 h6 15. Ra2 g5 16. Rc2 Qe7 17. Nd2 Ra7 18. Nc4 Rc7 19. Nb6 Ng6 20. Nxc8 Rxc8 21. Bxa6 Ra8 22. Bb5+ Kf8 23. Ng3 Nh4 24. Be3 Ra5 25. Qe2 Kg7 26. Rfc1 Rc8 27. f3 Ne8 28. Bxe8 Qxe8 29. Nf1 f5 30. Nd2 Qh5 31. Nc4 Ra6 32. Nxd6 Rxd6 33. Bxc5 Rf6 34. Be7 1-0

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "5"]
[White "Garcia, Raimundo"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "63"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Nf3 Bb4+ 8. Bd2 Qe7 9. Bd3 Bxd2+ 10. Qxd2 c5 11. dxc5 Qxc5 12. b4 Qe7 13. 0-0 0-0 14. c5 Nd7 15. Qg5 Qxg5 16. Nxg5 Nf6 17. Rad1 g6 18. Ne4 Nd5 19. a3 b6 20. c6 a6 21. Bc4 Ne7 22. Rd6 Nf5 23. Rd3 b5 24. Bb3 Ra7 25. Rc1 Rc7 26. Rc5 Ne7 27. Rd6 Nf5 28. Rd7 Bxd7 29. cxd7 Rxc5 30. bxc5 Ne7 31. Nf6+ Kg7 32. Ne8+ 1-0

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "2"]
[White "Kamenicki, S."]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "D12"]
[PlyCount "81"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. b3 Bf5 5. e3 Ne4 6. Be2 e6 7. 0-0 Bd6 8. Bb2 0-0 9. Nbd2 Nd7 10. Nxe4 Bxe4 11. Ne5 f6 12. f3 Bf5 13. Nd3 Bg6 14. Nf2 Qc7 15. f4 Rae8 16. c5 Be7 17. Qd2 e5 18. g4 Bd8 19. f5 Bf7 20. b4 Re7 21. Bf3 Qb8 22. Bc1 Bc7 23. Nh3 g6 24. Kh1 Qe8 25. Qd1 Kh8 26. a4 Rg8 27. Ra2 Qb8 28. b5 cxb5 29. axb5 e4 30. fxg6 Rxg6 31. Be2 Bxh2 32. Nf4 Bxf4 33. Rxf4 Nf8 34. Qf1 Kg7 35. Bd1 Ne6 36. Rff2 Ng5 37. Qg2 Rh6+ 38. Kg1 Nh3+ 39. Kf1 Nxf2 40. Rxf2 Rg6 41. Ba3 0-1

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "8"]
[White "Kampelmacher, Manuel"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "86"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 Nc6 7. Re1 h6 8. c3 Be6 9. Nb3 Kh7 10. Nc5 Bc8 11. Qa4 Qd6 12. d4 e5 13. dxe5 Nxe5 14. Nxe5 Qxc5 15. Nd3 Qe7 16. Be3 Rd8 17. Rad1 Be6 18. Bd4 c6 19. Bc5 Qc7 20. Be3 Bf5 21. Qh4 Ng4 22. Bd4 Re8 23. Bxg7 Kxg7 24. Nc5 g5 25. Qh5 Qe7 26. h3 Nxf2 27. Kxf2 Qxc5+ 28. e3 Re6 29. h4 Bg6 30. Qg4 Rae8 31. hxg5 hxg5 32. Qd4+ Qxd4 33. exd4 Be4 34. Bxe4 dxe4 35. Re3 f5 36. d5 Rd6 37. c4 Kf6 38. Rb3 b6 39. Ke3 Ke5 40. Rf1 cxd5 41. Rb5 a6 42. Rxd5+ Rxd5 43. cxd5 Rd8 0-1

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "7"]
[White "Kuperman, Carlos"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "161"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 Ne4 9. Bf4 Nxc3 10. bxc3 Bxc3 11. Rd1 0-0 12. Bd6 Re8 13. Bd3 dxc4 14. Bxh7+ Kh8 15. 0-0 Bxd2 16. Rxd2 Nf6 17. Be5 Nxh7 18. f4 f5 19. Rf3 Bd7 20. Rh3 Re7 21. Qd1 Be8 22. Qe1 Bg6 23. Rh6 c3 24. Rc2 Qxe5 25. Rxh7+ Kxh7 26. Qh4+ Kg8 27. fxe5 Rd7 28. Qg5 Kf7 29. Rxc3 Rh8 30. Rc1 Rh5 31. Qf4 Kg8 32. a4 Be8 33. Qf1 g5 34. Qc4 Rh6 35. Rf1 Kg7 36. Qc5 a6 37. g3 Bh5 38. e4 Be2 39. Rf2 Bd3 40. exf5 exf5 41. Qc3 Be4 42. Qe3 g4 43. a5 Rg6 44. Rb2 Kf7 45. Qa3 Rg8 46. Qc5 Rgd8 47. Rb4 Rc7 48. Qa7 Rdd7 49. Qb8 Kg7 50. Kf2 Bd5 51. Ke3 Re7 52. Kf4 Be6 53. Rb2 Rcd7 54. Kg5 Rc7 55. Kf4 Rcd7 56. Ke3 Rf7 57. Qe8 Rde7 58. Qd8 Bd5 59. Kf4 Re6 60. Ke3 Rh6 61. Kf4 Re6 62. Qb8 Ree7 63. Rf2 Rf8 64. Qd6 Re6 65. Qd7+ Rf7 66. Qd8 Rf8 67. Qd7+ Rf7 68. Qc8 Ree7 69. Kg5 Rf8 70. Qxf8+ Kxf8 71. Rxf5+ Ke8 72. Rf6 Be6 73. Rh6 Kd7 74. Rh8 Rf7 75. Kg6 Ke7 76. Rb8 Bf5+ 77. Kg5 Ke6 78. Rd8 Rg7+ 79. Kf4 Bd3 80. Rd6+ Ke7 81. Rh6 0-1

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "11"]
[White "Luckis, Marcos"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D46"]
[PlyCount "82"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Be7 9. 0-0 0-0 10. Bb2 c5 11. cxd5 exd5 12. Ne5 Rc8 13. Bf5 g6 14. Nxd7 Nxd7 15. Bxd7 Qxd7 16. dxc5 bxc5 17. Qd2 Bf6 18. Nxd5 Bxd5 19. Bxf6 Qc6 20. f3 Qxf6 21. Qxd5 Rfd8 22. Qb7 Qc3 23. e4 Qd4+ 24. Kh1 c4 25. bxc4 Rxc4 26. Qb1 Rb4 27. Qe1 Rb2 28. a4 Qd2 29. Qg3 Qe3 30. Rae1 Re2 31. Rxe2 Qxe2 32. Qe1 Qa6 33. Qa1 h5 34. Rd1 Rxd1+ 35. Qxd1 Qf6 36. h3 a5 37. Qe1 Qe5 38. Qb1 Kg7 39. Qe1 Kf6 40. g3 Qd4 41. Qxa5 Qd1+ 1/2-1/2

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "8"]
[White "Marini, Luis"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "A18"]
[PlyCount "80"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 Nc6 8. Nf3 e5 9. Be2 Bf5 10. 0-0 e4 11. Ne1 Be7 12. f3 Qd6 13. fxe4 Bxe4 14. Bf4 Qd7 15. d5 Bc5+ 16. Kh1 Ne7 17. Nd3 Bd6 18. Ne5 Bxe5 19. Bxe5 f6 20. Bg4 f5 21. Bh5+ Ng6 22. Qd4 0-0 23. Bxg6 hxg6 24. Bf4 b6 25. Rad1 Rae8 26. c5 Rd8 27. Bg5 bxc5 28. Qxc5 Qd6 29. Qxd6 Rxd6 30. Be7 Rxd5 31. Rxd5 Bxd5 32. Bxf8 Kxf8 33. Re1 Be4 34. Kg1 g5 35. g4 g6 36. Kf2 Ke7 37. Rd1 a6 38. Rd4 Ke6 39. Ra4 Bb7 40. Ra5 Kf6 1-0

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "3"]
[White "Mazzoleni, Julio"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "83"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 e5 3. Bc4 Nc6 4. d3 Bb4 5. a3 Bxc3+ 6. bxc3 d5 7. exd5 Nxd5 8. Qf3 Be6 9. Ne2 0-0 10. 0-0 Qd7 11. a4 f5 12. Re1 Rae8 13. h3 Rf6 14. Bb5 Bf7 15. Bd2 e4 16. Qg3 Rg6 17. Qh2 e3 18. fxe3 Nxe3 19. Bxe3 Rxe3 20. Nf4 Qe8 21. Kf2 Re7 22. Nxg6 hxg6 23. Qf4 Qd8 24. Bxc6 bxc6 25. Rxe7 Qxe7 26. Re1 Qa3 27. Qb4 Qa2 28. Re2 Qa1 29. Qb8+ Kh7 30. Qxc7 Bd5 31. Qxa7 Qxc3 32. Qe3 Qf6 33. c4 Bf7 34. a5 f4 35. Qe5 Qh4+ 36. Kg1 g5 37. Qf5+ Kg8 38. Qc8+ Kh7 39. Qg4 Qh6 40. h4 gxh4 41. a6 Bh5 42. Re6 1-0

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "1"]
[White "Moguilevsky, M."]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "67"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. 0-0 Bg4 7. h3 Be6 8. d3 h6 9. a3 Qd7 10. Kh2 g5 11. Nd2 Bb6 12. Nd5 Bxd5 13. cxd5 Ne7 14. e4 Rg8 15. Nc4 h5 16. Be3 h4 17. g4 Nh7 18. Qd2 f6 19. a4 Ng6 20. Qc3 Nf4 21. Rfe1 Kf7 22. a5 Bc5 23. b4 Bxe3 24. fxe3 Nxg2 25. Kxg2 c6 26. a6 cxd5 27. axb7 Rab8 28. Na5 dxe4 29. dxe4 Nf8 30. Qc6 Ke8 31. Rec1 Rd8 32. Qc8 Qb5 33. Qc6+ Qxc6 34. Nxc6 1-0

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "4"]
[White "Palermo, Vicente"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "C81"]
[PlyCount "72"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 Be7 7. Qe2 b5 8. Bb3 d5 9. dxe5 Be6 10. Rd1 Na5 11. Nbd2 Nxb3 12. axb3 Nxd2 13. Bxd2 0-0 14. b4 Qd7 15. Nd4 Rfc8 16. Ra3 c5 17. Nxe6 Qxe6 18. bxc5 Bxc5 19. Rd3 a5 20. c3 b4 21. Be1 Rd8 22. g3 Ra7 23. Kg2 Rad7 24. Ra1 Qb6 25. f4 d4 26. cxb4 Bxb4 27. Bf2 g6 28. Rc1 Rc7 29. Rxc7 Qxc7 30. Rxd4 Rxd4 31. Bxd4 Qc6+ 32. Qf3 Qc2+ 33. Qf2 Qe4+ 34. Kf1 a4 35. g4 Qh1+ 36. Ke2 Qe4+ 1/2-1/2

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "1"]
[White "Palermo, Vicente"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "C87"]
[PlyCount "124"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[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 Be7 5. Re1 d6 6. c3 Bg4 7. d3 0-0 8. Nbd2 a6 9. Ba4 Nd7 10. Nf1 Nc5 11. Bc2 f5 12. b4 fxe4 13. dxe4 Ne6 14. Qd5 Qd7 15. Ng5 Bxg5 16. Bxg5 Kh8 17. Be3 Nf4 18. Bxf4 exf4 19. f3 Be6 20. Qg5 Ne5 21. Bb3 Bxb3 22. axb3 Qc6 23. Red1 Qxc3 24. Rac1 Qxb3 25. Rxc7 Ng6 26. Qd5 Qxb4 27. Rxb7 Qc5+ 28. Qxc5 dxc5 29. Rdd7 Rfb8 30. Rxg7 Rxb7 31. Rxb7 a5 32. Rc7 a4 33. Rxc5 a3 34. Rc1 Ne5 35. Nd2 Nd3 36. Ra1 a2 37. Kf1 Nb4 38. Nb3 Nc2 39. Rc1 Ne3+ 40. Kf2 Rb8 41. Ra1 Nd1+ 42. Ke1 Nc3 43. Kd2 Rxb3 44. Kc2 Ra3 45. Kb2 Nb1 46. Rxa2 Rxa2+ 47. Kxa2 Nd2 48. Kb2 Nf1 49. Kc3 Ne3 50. g3 fxg3 51. hxg3 Nf1 52. Kd4 Nxg3 53. Ke5 Kg7 54. Kf4 Ne2+ 55. Ke3 Nc3 56. Kf4 Kf6 57. Kg4 Kg6 58. Kh4 Ne2 59. Kg4 h5+ 60. Kh4 Nf4 61. Kg3 Kg5 62. Kf2 h4 0-1

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "9"]
[White "Pelikan, Jorge"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "78"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 Bb4+ 10. Bd2 Qa5 11. c5 e5 12. Bc4 Bxd2+ 13. Nxd2 0-0 14. 0-0-0 exd4 15. Nb3 Nxc5 16. Bxf7+ Kh8 17. Nxa5 Nxe4 18. Rxd4 Bf5 19. Bb3 c5 20. Rd5 Nxf2 21. Rg1 b6 22. Nc6 Be4 23. Rd6 Bxc6 24. Rxc6 Nd3+ 25. Kd2 Rad8 26. Kc3 Nb4 27. Re6 b5 28. Re3 Nc6 29. Rge1 Nd4 30. Bd1 Nc6 31. Bf3 Nb4 32. a3 Nd5+ 33. Bxd5 Rxd5 34. Re5 Rxe5 35. Rxe5 Rc8 36. b4 cxb4+ 37. Kxb4 a6 38. Re6 h6 39. Rxa6 Rc2 1/2-1/2

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "6"]
[White "Piazzini, Luis Roberto"]
[Black "Beninson, Dan"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "78"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 Bg4 8. h3 Bxf3 9. Bxf3 Nd7 10. e3 e5 11. d5 Ne7 12. e4 f5 13. a3 Kh8 14. b4 Ng8 15. Bd2 Bh6 16. Kg2 Ndf6 17. Qc1 Bxd2 18. Qxd2 Ne7 19. Qh6 f4 20. Bg4 Neg8 21. Qh4 h6 22. gxf4 exf4 23. f3 Nxd5 24. Qxd8 Ne3+ 25. Kf2 Raxd8 26. Rfc1 c6 27. Nd1 Ne7 28. h4 Nxg4+ 29. fxg4 g5 30. h5 Ng8 31. Nc3 Nf6 32. Rg1 Nd7 33. Rac1 Ne5 34. Ne2 Nd3+ 35. Kf3 d5 36. cxd5 cxd5 37. Nc3 dxe4+ 38. Nxe4 Nxc1 39. Rxc1 Rd3+ 0-1

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "10"]
[White "Piazzini, Luis Roberto"]
[Black "Emma, Jaime"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "79"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Nf3 Ng6 5. h4 h5 6. Bg5 f6 7. Be3 d6 8. Nc3 Nh6 9. Bb5+ Kf7 10. Bxh6 Rxh6 11. Qd2 Rh8 12. g3 Ne7 13. Nh2 g6 14. f4 Bh6 15. 0-0-0 Kg7 16. Kb1 f5 17. Nf3 Rf8 18. Ng5 Bxg5 19. hxg5 fxe4 20. Nxe4 Bf5 21. Nf6 Ng8 22. g4 Bxg4 23. Nxg4 Rxf4 24. Ne3 Qxg5 25. Rdg1 Qh6 26. Qc3 Rf7 27. Bd3 Ne7 28. Be4 Raf8 29. a3 c5 30. Nc4 Rf6 31. Nxd6 Qf4 32. Rf1 Qg5 33. Rxf6 Qxf6 34. Qxc5 b6 35. Qc7 Kh6 36. Nc4 Rc8 37. Qxe5 Qxe5 38. Nxe5 Re8 39. d6 g5 40. d7 1-0

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "1"]
[White "Piazzini, Luis Roberto"]
[Black "Emma, Jaime"]
[Result "1-0"]
[ECO "C16"]
[PlyCount "80"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Bb4 5. e5 Qd7 6. Bd2 b6 7. Ne2 Bf8 8. Nf4 Bb7 9. Bb5 a6 10. Bd3 0-0-0 11. c3 Kb8 12. b4 Ka7 13. a4 f5 14. b5 Na5 15. Ng5 Re8 16. Ngxe6 Rxe6 17. Nxe6 Qxe6 18. 0-0 g6 19. Qe2 Bh6 20. Rfb1 Bxd2 21. Qxd2 Ne7 22. Qh6 Nc4 23. a5 Nxa5 24. Qg7 Rc8 25. Qf6 Qxf6 26. exf6 Ng8 27. f7 Nh6 28. Re1 Nxf7 29. Re7 Nd6 30. bxa6 Bc6 31. Rxh7 Be8 32. Re1 Nc6 33. Re6 Kb8 34. g4 Rd8 35. h4 fxg4 36. Bxg6 Bd7 37. Rf6 Be8 38. h5 Na7 39. h6 Ne4 40. Bxe4 dxe4 1-0

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "9"]
[White "Piazzini, Luis Roberto"]
[Black "Espinosa, Raul"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "71"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. a4 Bb7 8. c3 0-0 9. d3 d6 10. Nbd2 Na5 11. Bc2 c5 12. Nf1 Nc6 13. Bg5 b4 14. Ne3 Nd7 15. Bxe7 Nxe7 16. 0-0 Nf6 17. Rfd1 Qb8 18. Nc4 Bc8 19. d4 cxd4 20. cxd4 Ng6 21. Bb3 Bg4 22. h3 Nf4 23. Qe3 Bxf3 24. Qxf3 Ne6 25. dxe5 dxe5 26. Nd6 Rd8 27. Nxf7 Kxf7 28. Qf5 Rd6 29. Rxd6 Qxd6 30. Rd1 Qc6 31. Qxe5 Re8 32. Rd6 Qxe4 33. Bxe6+ Kf8 34. Qc5 Re7 35. Rd8+ Ne8 36. Rxe8+ 1-0

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "3"]
[White "Piazzini, Luis Roberto"]
[Black "Fedorovsky, Rafael"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "156"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Nbd7 5. e3 c6 6. Nbd2 Be7 7. Bd3 0-0 8. Qc2 h6 9. Bh4 dxc4 10. Nxc4 c5 11. 0-0 Nd5 12. Bxe7 Qxe7 13. Qd2 Rd8 14. Rac1 b6 15. a3 cxd4 16. exd4 Bb7 17. Rfd1 Rac8 18. Nce5 Nf8 19. Ne1 Qf6 20. Rxc8 Rxc8 21. g3 Qd8 22. Qe2 Rc7 23. Nc2 Nd7 24. Nc4 N7f6 25. h3 Qc8 26. Nd6 Qb8 27. Nxb7 Qxb7 28. Ne1 Qc8 29. Ba6 Qd8 30. Nf3 Qd6 31. Bd3 g6 32. Ne5 Kg7 33. Nc4 Qd8 34. Kh2 b5 35. Ne5 b4 36. axb4 Nxb4 37. Bc4 Nbd5 38. Re1 Qd6 39. b3 h5 40. h4 Qe7 41. Nd3 Ng4+ 42. Kg2 Qd6 43. Nc5 Nb6 44. Qb2 Nxc4 45. bxc4 e5 46. f3 Qxd4 47. Qxd4 exd4 48. Na6 Rc6 49. Nb8 Rb6 50. fxg4 Rxb8 51. gxh5 gxh5 52. Rd1 Rd8 53. c5 Kf6 54. Kf3 Ke5 55. c6 Rc8 56. Rc1 Kd5 57. c7 a5 58. Ra1 Rxc7 59. Rxa5+ Rc5 60. Ra7 f6 61. Rd7+ Kc4 62. Rd6 Kc3 63. Rxf6 d3 64. Rd6 d2 65. g4 hxg4+ 66. Kxg4 Rc4+ 67. Kf3 Kc2 68. Ke2 Re4+ 69. Kf3 Rxh4 70. Rc6+ Kd1 71. Kf2 Rh5 72. Rd6 Re5 73. Rd7 Re6 74. Rc7 Rf6+ 75. Kg2 Rf5 76. Rc6 Ke2 77. Re6+ Kd3 78. Rd6+ Ke3 0-1

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "3"]
[White "Piazzini, Luis Roberto"]
[Black "Foguelman, Alberto"]
[Result "0-1"]
[ECO "E33"]
[PlyCount "72"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Qc2 d6 6. Bd2 0-0 7. Bd3 e5 8. d5 Nb8 9. a3 Bxc3 10. Bxc3 Nbd7 11. b4 Qe7 12. e4 Nh5 13. g3 g6 14. Ne2 Ng7 15. g4 Qh4 16. h3 a5 17. Ng3 axb4 18. axb4 Rxa1+ 19. Bxa1 h5 20. Qd2 hxg4 21. hxg4 Qxg4 22. Qh6 f6 23. Be2 Qg5 24. Qh7+ Kf7 25. Bb2 Rg8 26. Kd1 Nf8 27. Qh2 f5 28. Rg1 Qe7 29. exf5 Nxf5 30. Ne4 Qh4 31. Ng5+ Ke7 32. Qxh4 Nxh4 33. f4 exf4 34. Rf1 f3 35. Bxf3 Nxf3 36. Rxf3 Bg4 0-1

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "11"]
[White "Piazzini, Luis Roberto"]
[Black "Foguelman, Alberto"]
[Result "1-0"]
[ECO "A18"]
[PlyCount "73"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 Nc6 4. Nf3 d5 5. e5 Ne4 6. d4 Bb4 7. Qc2 f6 8. a3 Nxc3 9. bxc3 Ba5 10. Bd3 fxe5 11. dxe5 dxc4 12. Be4 Nd4 13. Nxd4 Qxd4 14. Bd2 Qxe5 15. 0-0 c6 16. Bxh7 Bd7 17. Bg6+ Ke7 18. g3 Raf8 19. Rae1 Qd5 20. h4 Kd8 21. Bg5+ Kc8 22. Rd1 Qf3 23. Qd2 Rd8 24. Bxd8 Rxd8 25. Rc1 e5 26. Qe3 Qf6 27. Qxa7 Bxc3 28. Rxc3 Qxg6 29. Qa8+ Kc7 30. Qa5+ Kc8 31. Rxc4 Re8 32. Rb4 b5 33. Qa8+ Kc7 34. Qa7+ Kc8 35. Rc1 e4 36. Rxb5 Qd6 37. Qa8+ 1-0

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "1"]
[White "Piazzini, Luis Roberto"]
[Black "Incutto, Carlos"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "80"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 d6 6. Nf3 Nc6 7. 0-0 a6 8. h3 e5 9. Bg5 h6 10. Be3 Be6 11. Qd2 Kh7 12. Rab1 d5 13. Bc5 Re8 14. cxd5 Nxd5 15. Ne1 Qd7 16. Kh2 b6 17. Ba3 Rad8 18. Rc1 Nce7 19. Nxd5 Nxd5 20. b3 c5 21. Bb2 a5 22. Nf3 Qd6 23. Rcd1 Nb4 24. Bc3 Nc6 25. Qb2 Nd4 26. e3 Nxf3+ 27. Bxf3 f5 28. Bg2 Qc7 29. f4 Bc8 30. fxe5 Bxe5 31. Bxe5 Qxe5 32. Qxe5 Rxe5 33. e4 Ba6 34. exf5 gxf5 35. Rxf5 Re2 36. Kg1 Rxd3 37. Rxd3 Bxd3 38. Rf7+ Kg6 39. Rd7 Bf5 40. Rd6+ Re6 1/2-1/2

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "7"]
[White "Piazzini, Luis Roberto"]
[Black "Incutto, Carlos"]
[Result "1/2-1/2"]
[ECO "C62"]
[PlyCount "94"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[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. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. Bxc6 Bxc6 7. Qd3 Qe7 8. d5 Bd7 9. h3 g6 10. Bg5 Bg7 11. 0-0-0 h6 12. Be3 0-0 13. g4 Ne8 14. Rdg1 Kh7 15. h4 Kh8 16. Qd2 Kh7 17. h5 g5 18. Bxg5 hxg5 19. Nxg5+ Qxg5 20. Qxg5 Bh6 21. Qxh6+ Kxh6 22. g5+ Kg7 23. f4 f5 24. gxf6+ Kh7 25. h6 Rxf6 26. fxe5 dxe5 27. Rg5 Rxh6 28. Rf1 Nf6 29. Rxe5 Re8 30. Rxe8 Bxe8 31. e5 Nd7 32. Ne4 Kg7 33. Ng5 Nxe5 34. Ne6+ Kh7 35. Nxc7 Bg6 36. Ne6 Rh2 37. Nf8+ Kg7 38. Nxg6 Kxg6 39. a4 Rh4 40. b3 Rd4 41. c4 Nxc4 42. bxc4 Rxc4+ 43. Kd2 Rd4+ 44. Kc3 Rxd5 45. Kb4 Rf5 46. Re1 Kf7 47. a5 a6 1/2-1/2

[Event "Circulo de Ajedrez Villa Crispo Invitat"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "5"]
[White "Piazzini, Luis Roberto"]
[Black "Kahn, Jaime"]
[Result "1-0"]
[ECO "C62"]
[PlyCount "71"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[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. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. Bxc6 Bxc6 7. Qd3 exd4 8. Nxd4 Qd7 9. f3 g6 10. Be3 Bg7 11. 0-0-0 a6 12. h4 h5 13. Kb1 0-0-0 14. Bg5 Rde8 15. Rhe1 Nh7 16. Be3 Nf8 17. Qc4 Ne6 18. Nxc6 Qxc6 19. Qxc6 bxc6 20. Ne2 Kd7 21. c3 Rb8 22. Kc2 Rb7 23. f4 Rhb8 24. b3 Ke7 25. f5 Nf8 26. Bg5+ f6 27. Bc1 a5 28. Nf4 Kf7 29. fxg6+ Nxg6 30. Nxh5 Nxh4 31. e5 fxe5 32. Re4 Ng6 33. Rf1+ Kg8 34. Rg4 Kh7 35. Rf7 Rg8 36. Nf6+ 1-0

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "6"]
[White "Piazzini, Luis Roberto"]
[Black "Kahn, Jaime"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "79"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 e6 6. Bf4 Be7 7. e3 0-0 8. Bd3 Bd7 9. 0-0 Nc6 10. Rc1 Rc8 11. a3 Na5 12. Ne5 Re8 13. Bg5 g6 14. Qf3 Bc6 15. b4 Nc4 16. b5 Nd2 17. Qd1 Nxf1 18. bxc6 Nxe3 19. fxe3 bxc6 20. Qa4 Qd6 21. Rf1 Kg7 22. Qxa7 Ra8 23. Bxf6+ Kg8 24. Bxe7 Qxe5 25. dxe5 Rxa7 26. Bc5 Rb7 27. a4 Rb3 28. Rc1 Ra8 29. Kf2 Ra5 30. Bd6 c5 31. Bb5 Rb2+ 32. Kf3 c4 33. Ne2 Ra8 34. Nd4 Ra2 35. Nc6 Rb2 36. h4 h5 37. Rc3 Rb1 38. e4 Rb3 39. Rxb3 cxb3 40. Ba3 1-0

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "2"]
[White "Piazzini, Luis Roberto"]
[Black "Kampelmacher, Manuel"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "33"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 h6 5. Be3 Bg7 6. f3 0-0 7. Qd2 e5 8. dxe5 dxe5 9. Bxh6 Nxe4 10. Qxd8 Rxd8 11. Bxg7 Nxc3 12. Bf6 Rd6 13. Bxe5 Re6 14. f4 Re7 15. bxc3 f6 16. 0-0-0 Bg4 17. Bxf6 1-0

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "9"]
[White "Piazzini, Luis Roberto"]
[Black "Marini, Luis"]
[Result "1/2-1/2"]
[ECO "D80"]
[PlyCount "60"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[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. Bg5 Ne4 5. Bd2 Nxd2 6. Qxd2 dxc4 7. e3 Bg7 8. Bxc4 0-0 9. Nge2 a6 10. 0-0 b5 11. Bd5 Ra7 12. b4 c5 13. bxc5 b4 14. Qb2 Bg4 15. Qxb4 Bxe2 16. Bxf7+ Rxf7 17. Nxe2 Nc6 18. Qc4 Qc8 19. Rab1 e6 20. Rb6 Ra8 21. Ng3 Rc7 22. Ne4 Qd7 23. Rfb1 Qd5 24. Qxd5 exd5 25. Nc3 Nxd4 26. exd4 Bxd4 27. Nxd5 Rxc5 28. Ne3 Ra5 29. Rd6 Bxe3 30. fxe3 Rxa2 1/2-1/2

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "5"]
[White "Piazzini, Luis Roberto"]
[Black "Pelikan, Jorge"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "59"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 Nf6 4. Bg2 g6 5. 0-0 Bg7 6. c3 0-0 7. d4 Nc6 8. dxc5 dxc5 9. Be3 Qa5 10. Nd2 Rd8 11. h3 b6 12. f4 Ba6 13. Re1 Rac8 14. g4 Qb5 15. e5 Ne8 16. Qc2 Nd4 17. Nxd4 cxd4 18. Bf1 d3 19. Qb3 Qd7 20. Bg2 Nc7 21. Qa3 Rb8 22. Rad1 Bb7 23. Ne4 h5 24. Nf2 Bxg2 25. Kxg2 Qc6+ 26. Kg1 Qf3 27. Qb4 hxg4 28. hxg4 g5 29. Qe4 Qg3+ 30. Qg2 1/2-1/2

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "10"]
[White "Piazzini, Luis Roberto"]
[Black "Puiggros, Guillermo"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "64"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. f4 c5 3. Bc4 Nc6 4. Nf3 e6 5. Nc3 Nf6 6. Qe2 Qc7 7. d3 a6 8. a4 Rb8 9. 0-0 Nd4 10. Nxd4 cxd4 11. Nd1 b5 12. axb5 axb5 13. Bb3 Be7 14. c3 dxc3 15. bxc3 0-0 16. Bb2 d5 17. e5 Nd7 18. Ne3 b4 19. c4 Nc5 20. Bc2 dxc4 21. dxc4 Rb7 22. f5 exf5 23. Nxf5 Ne6 24. Nh6+ gxh6 25. Qd3 Ng5 26. Rf5 Bc5+ 27. Kh1 Rd8 28. Rxg5+ hxg5 29. Qxh7+ Kf8 30. Qh8+ Ke7 31. Qf6+ Kf8 32. Qh8+ Ke7 1/2-1/2

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "7"]
[White "Piazzini, Luis Roberto"]
[Black "Reinhardt, Enrique Heinrich"]
[Result "1-0"]
[ECO "B83"]
[PlyCount "65"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. 0-0 e6 8. b3 Be7 9. Bb2 Qc7 10. Kh1 0-0 11. f4 Rd8 12. Bf3 e5 13. Nxc6 bxc6 14. fxe5 dxe5 15. Qe2 Be6 16. Na4 Qa5 17. Rad1 Nd7 18. c4 Nf8 19. Rxd8 Rxd8 20. Rd1 Ng6 21. g3 f6 22. Bc3 Qc7 23. Rxd8+ Qxd8 24. c5 Qc8 25. Nb6 Qb7 26. b4 a5 27. Bg4 Bf7 28. a4 axb4 29. Bxb4 Nf8 30. a5 Ne6 31. a6 Qc7 32. Qa2 Nxc5 33. a7 1-0

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "2"]
[White "Piazzini, Luis Roberto"]
[Black "Rossetto, Hector"]
[Result "1/2-1/2"]
[ECO "B20"]
[PlyCount "57"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 a6 3. g3 d5 4. Bg2 dxe4 5. Bxe4 Nf6 6. Bg2 e5 7. d3 Be7 8. Bg5 0-0 9. Nbc3 Nc6 10. 0-0 Be6 11. b3 Rc8 12. h3 h6 13. Bd2 Nd5 14. f4 Nd4 15. Nxd5 Bxd5 16. c4 Bxg2 17. Kxg2 Nxe2 18. Qxe2 exf4 19. Rxf4 Bg5 20. Re4 f5 21. Bxg5 Qxg5 22. Re5 Qg6 23. Re6 Rf6 24. Re1 f4 25. Qg4 Qxg4 26. hxg4 Rxe6 27. Rxe6 fxg3 28. Re7 b5 29. Rd7 1/2-1/2

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "4"]
[White "Piazzini, Luis Roberto"]
[Black "Sanguineti, Raul"]
[Result "1/2-1/2"]
[ECO "B59"]
[PlyCount "41"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Be3 0-0 9. 0-0 a5 10. Nd2 d5 11. Nxd5 Nxd5 12. exd5 Qxd5 13. Nc4 Qxd1 14. Raxd1 Be6 15. c3 Rab8 16. Bb6 Bd8 17. Bc5 Re8 18. Nd6 Re7 19. Nc4 Re8 20. Nd6 Re7 21. Nc4 1/2-1/2

[Event "Circulo de Ajedrez Villa Crispo-30"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "4"]
[White "Piazzini, Luis Roberto"]
[Black "Schvetz, D."]
[Result "1-0"]
[ECO "D30"]
[PlyCount "33"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e6 2. d4 Nf6 3. Nf3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nbd2 Qa5 7. a3 dxc4 8. Bxc4 Bd6 9. 0-0 0-0 10. e4 e5 11. dxe5 Bxe5 12. b4 Qc7 13. Nxe5 Qxe5 14. Bh4 Qd4 15. Qc2 Nb6 16. Bd3 Rd8 17. Nf3 1-0

[Event "Quilmes"]
[Site "Quilmes"]
[Date "1959.??.??"]
[Round "8"]
[White "Piazzini, Luis Roberto"]
[Black "Schweber, Samuel"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "133"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 0-0 9. Rd1 Qc7 10. 0-0 a6 11. a4 Rd8 12. Nf3 b6 13. Rd2 Bb7 14. Rfd1 Na5 15. Bd3 Rac8 16. Bxa6 Bxa6 17. Qxa6 Nc4 18. Rd3 Nxb2 19. Bxb6 Qc6 20. Nd4 Qc4 21. Qxc4 Rxc4 22. Bxd8 Bxd8 23. Ndb5 Nxd1 24. Rxd6 Ba5 25. Rxd1 Kf8 26. Rd3 Nxe4 27. Nxe4 Rxe4 28. g3 Rxa4 29. Ra3 Rxa3 30. Nxa3 g5 31. g4 f5 32. h3 h5 33. gxh5 Kg7 34. Nb5 Bb6 35. Nc3 Kh6 36. Na4 Ba7 37. c4 Kxh5 38. c5 g4 39. c6 Bb8 40. Kg2 e5 41. Nc5 e4 42. Na6 Bd6 43. c7 Bxc7 44. Nxc7 Kh4 45. hxg4 Kxg4 46. Nd5 Kh4 47. Ne3 Kg5 48. Kf1 Kf4 49. Nc4 Kf3 50. Nd2+ Kf4 51. Ke2 Ke5 52. Nc4+ Kd4 53. Nb6 f4 54. Nc8 Kc5 55. Ne7 Kd4 56. Kf1 Ke5 57. Kg2 Ke6 58. Ng6 Kf5 59. Nf8 Kg4 60. Nd7 Kf5 61. Nb6 Ke5 62. Kf1 Kd4 63. Ke2 Kc5 64. Na4+ Kc4 65. Nb2+ Kb3 66. Nd1 Kc2 67. Ne3+ 1-0

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "6"]
[White "Suarez, JM."]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D13"]
[PlyCount "118"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 e6 7. e3 Be7 8. Bd3 0-0 9. 0-0 Nh5 10. Be5 f5 11. Rc1 Nf6 12. h3 Bd7 13. Bh2 Ne4 14. Ne5 Nxe5 15. Bxe5 Rc8 16. Bxe4 fxe4 17. Qg4 Bf6 18. Qg3 Bxe5 19. Qxe5 Qb6 20. Rc2 Qc7 21. Rfc1 Rf5 22. Qxc7 Rxc7 23. Ne2 Rxc2 24. Rxc2 Bc6 25. h4 Kf8 26. Rc5 Ke8 27. b4 a6 28. Nf4 Kd7 29. f3 exf3 30. gxf3 Bb5 31. Rc2 Bc4 32. Kf2 e5 33. dxe5 Rxe5 34. e4 b5 35. Ke3 Kd6 36. Rg2 g6 37. Kd4 Re8 38. a3 Rf8 39. Rg4 Kc6 40. Ke3 Re8 41. Rg5 dxe4 42. fxe4 a5 43. h5 axb4 44. axb4 gxh5 45. Rxh5 Re7 46. Rh6+ Kb7 47. Kd4 Rd7+ 48. Nd5 Bxd5 49. exd5 Rc7 50. Ke5 Rc4 51. Rxh7+ Kb6 52. Rh6+ Kc7 53. d6+ Kd8 54. Rh8+ Kd7 55. Rh7+ Kd8 56. Ke6 Re4+ 57. Kd5 Rxb4 58. Kc6 Rc4+ 59. Kxb5 Rc1 1/2-1/2

[Event "Buenos Aires-ch"]
[Site "Buenos Aires"]
[Date "1959.??.??"]
[Round "2"]
[White "Wexler, Bernardo"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "98"]
[EventDate "1959.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. d3 d5 5. cxd5 Nxd5 6. g3 Be7 7. Nxd5 Qxd5 8. Bg2 Be6 9. 0-0 Qd7 10. Be3 0-0 11. a3 Bf6 12. Ng5 Bxg5 13. Bxg5 Bd5 14. f3 Nd4 15. Rc1 b6 16. Be3 c5 17. Bf2 Rfd8 18. e3 Nb5 19. a4 Nd6 20. e4 Bc6 21. b3 Ne8 22. Rc3 Nc7 23. f4 f5 24. Qc1 fxe4 25. dxe4 Ne6 26. Bh3 Qd6 27. f5 Nd4 28. Re1 c4 29. Rxc4 Nf3+ 30. Kh1 Bb7 31. Re3 Nd2 32. Rc7 Nxe4 33. Kg1 Rac8 34. Rxc8 Rxc8 35. Qb2 Nd2 36. Bg2 Bxg2 37. Kxg2 Qd5+ 38. Kh3 Ne4 39. Qe2 Ng5+ 40. Kg4 Nf7 41. Qf3 Qd7 42. Rd3 Qe7 43. Qe3 Nh6+ 44. Kh3 Nxf5 45. Qe4 Qe6 46. Kg2 Re8 47. b4 a6 48. b5 axb5 49. axb5 Nd4 1/2-1/2

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "5"]
[White "Balduzzi, Reynaldo"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "111"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 Be7 7. d5 Nb8 8. Nxe5 Nc5 9. Bb3 d6 10. Nd3 Nbd7 11. Nc3 0-0 12. Be3 Nxd3 13. Qxd3 Ne5 14. Qd2 Ng4 15. Ne2 Nxe3 16. Qxe3 Bf6 17. c3 Bf5 18. Ng3 Re8 19. Qf3 Bg6 20. Qg4 Qe7 21. Rad1 Bh4 22. Nf5 Bxf5 23. Qxf5 Qe2 24. Rd4 g6 25. Qf4 Bd8 26. Rd2 Qe4 27. Qxe4 Rxe4 28. f3 Re3 29. Kf2 Bg5 30. Re2 Rae8 31. Rfe1 Rxe2+ 32. Rxe2 Rxe2+ 33. Kxe2 Bc1 34. Kd3 Bxb2 35. g4 Kg7 36. c4 Kf6 37. f4 Bc1 38. Ke4 h6 39. Ba4 Ke7 40. h3 Bd2 41. Bd1 Kf6 42. h4 Be1 43. h5 Bd2 44. Ba4 Ke7 45. Bd1 Bc1 46. Ba4 f5+ 47. gxf5 gxh5 48. f6+ Kxf6 49. Bd7 h4 50. Kf3 a5 51. Bc8 a4 52. Bxb7 h3 53. Kg3 a3 54. Bc6 Bxf4+ 55. Kxh3 Ke5 56. Ba4 1/2-1/2

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "7"]
[White "Benzaquen, Edgardo"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "B29"]
[PlyCount "153"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bb5+ Nc6 6. Ne5 Nxc3 7. bxc3 Qd5 8. Nxc6 Bd7 9. 0-0 Bxc6 10. Bxc6+ Qxc6 11. c4 e6 12. Bb2 0-0-0 13. Qe2 Be7 14. Rfb1 h5 15. a4 h4 16. h3 Bf6 17. a5 Rd7 18. Be5 Bxe5 19. Qxe5 f6 20. Qe2 g5 21. Rb5 Kb8 22. d3 Rhh7 23. Re1 Rhe7 24. Qe3 Rc7 25. f3 e5 26. Qe4 Qxe4 27. fxe4 Kc8 28. Kf2 Kd7 29. Kf3 Ke6 30. Kg4 Rf7 31. Rf1 Rc6 32. Rf5 a6 33. Rb1 b6 34. axb6 Rb7 35. Kh5 Rbxb6 36. Rbf1 Ke7 37. Kg6 a5 38. Ra1 Ra6 39. Ra4 Rcb6 40. c3 Rd6 41. Rf3 Rd8 42. Kf5 g4 43. Kxg4 Rg8+ 44. Kxh4 Rxg2 45. Rg3 Rd2 46. Ra1 Ra8 47. Rg7+ Ke6 48. Rb1 Rh8+ 49. Kg3 Rxd3+ 50. Kg4 Rhd8 51. Rb6+ R8d6 52. Rb8 Rd8 53. Rxd8 Rxd8 54. Ra7 Rd3 55. Ra6+ Kf7 56. Rxa5 Kg6 57. Rxc5 Re3 58. Rc8 Rxe4+ 59. Kf3 Kf5 60. Rc6 Re1 61. h4 Rc1 62. Kg3 Rxc3+ 63. Kg2 Rd3 64. c5 Rd4 65. Kh3 e4 66. Kg3 Rd3+ 67. Kg2 Rd8 68. Rc7 Kf4 69. Rf7 f5 70. c6 Rd2+ 71. Kf1 Kg4 72. c7 Rc2 73. h5 f4 74. h6 Kf3 75. Ke1 e3 76. Kd1 Rc6 77. Re7 1-0

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "3"]
[White "Cruz, Raul C"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D18"]
[PlyCount "51"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Bg4 9. Qb3 Bxf3 10. Qxb4 Ng4 11. e4 Qc7 12. e5 a5 13. Qb3 Bd5 14. Nxd5 exd5 15. Be2 h5 16. Qh3 Qd7 17. Bd2 Nh6 18. Qxh5 Qf5 19. Qh4 Nd7 20. Ra3 Nf8 21. g4 Qc2 22. Rd3 Ng6 23. Qg3 0-0 24. f4 Ne7 25. f5 g5 26. Bd1 1-0

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "9"]
[White "Estonllo, Maximino"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "D79"]
[PlyCount "96"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 c6 7. cxd5 cxd5 8. Nc3 e6 9. Ne5 Nfd7 10. Nf3 Nc6 11. e4 dxe4 12. Nxe4 e5 13. dxe5 Ndxe5 14. Nxe5 Nxe5 15. Bg5 Qxd1 16. Raxd1 Bg4 17. f3 Be6 18. b3 Nc6 19. Bf6 Bxf6 20. Nxf6+ Kg7 21. Nd5 Rad8 22. f4 Rd7 23. Kf2 Bg4 24. Bf3 Bxf3 25. Kxf3 Rfd8 26. Ne3 Rd2 27. Rxd2 Rxd2 28. Rf2 Nd4+ 29. Kg2 Rd3 30. Nc4 Kf6 31. Rd2 Rxd2+ 32. Nxd2 Ke6 33. Kf2 Kd5 34. Ke3 Nc2+ 35. Ke2 Kd4 36. Nc4 Nb4 37. Nd6 Nxa2 38. Nxb7 Nc1+ 39. Kf3 Nxb3 40. Nd6 a5 41. Nb5+ Kd3 42. Kg4 Nd4 43. Na3 f6 44. h4 h5+ 45. Kh3 f5 46. Kg2 Nc2 47. Nb5 a4 48. Nc7 a3 0-1

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "10"]
[White "Pelikan, Jorge"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "C86"]
[PlyCount "80"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. 0-0 0-0 8. c3 d6 9. Rd1 Bg4 10. h3 Bh5 11. d3 Na5 12. Bc2 c5 13. Nbd2 Nc6 14. Nf1 Qc8 15. Ne3 Bd8 16. Kh2 Bxf3 17. Qxf3 Ne8 18. Bb3 Ra7 19. Bd2 Kh8 20. g4 Bg5 21. Nf5 Qd8 22. Be3 Qf6 23. Rg1 g6 24. Bxg5 Qxg5 25. Bd5 Rc7 26. Bxc6 Rxc6 27. Ne3 Ng7 28. Rad1 Ne6 29. Nd5 Kg7 30. Qg3 Nf4 31. h4 Qd8 32. Nxf4 exf4 33. Qxf4 Qxh4+ 34. Kg2 f5 35. exf5 Rxf5 36. Qg3 Qxg3+ 37. Kxg3 Rf7 38. Rge1 Rc8 39. Re6 Rcf8 40. Rd2 Rf3+ 1/2-1/2

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "8"]
[White "Piazzini, Luis Roberto"]
[Black "Dominguez, Christobal"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "128"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 g6 5. Bg5 Bg7 6. Qd2 Be6 7. h3 a6 8. a4 d5 9. Bxf6 exf6 10. Bd3 Qc7 11. a5 Nd7 12. exd5 cxd5 13. Na4 Bf8 14. b4 Bd6 15. Nc5 0-0 16. c3 Kg7 17. 0-0 Rfe8 18. Rfe1 f5 19. Qa2 Nf6 20. Re2 Ne4 21. Rc2 Rad8 22. c4 Qe7 23. Nxe6+ Qxe6 24. c5 Bb8 25. b5 g5 26. c6 g4 27. hxg4 fxg4 28. Ne5 Bxe5 29. dxe5 bxc6 30. Bxe4 dxe4 31. Qxe6 Rxe6 32. b6 Rxe5 33. Rxc6 Rb5 34. Rcc1 Rd2 35. Rab1 Rdb2 36. Rxb2 Rxb2 37. Rc4 Rb5 38. Rxe4 f5 39. Rc4 Kg6 40. g3 h5 41. Kf1 h4 42. gxh4 Kh5 43. Rc8 Kxh4 44. Rg8 f4 45. Rb8 f3 46. Kg1 Rb1+ 47. Kh2 Rb2 48. Rh8+ Kg5 49. Kg3 Rb1 50. Rg8+ Kf5 51. b7 Rxb7 52. Rxg4 Rb1 53. Rh4 Rb3 54. Rf4+ Kg5 55. Rxf3 Rb5 56. Ra3 Rf5 57. Ra4 Rb5 58. Ra3 Kf5 59. Kf3 Re5 60. Ra1 Rb5 61. Ke3 Re5+ 62. Kd4 Rb5 63. Kc4 Kf4 64. Ra3 Ke4 1/2-1/2

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "6"]
[White "Piazzini, Luis Roberto"]
[Black "Esposito, Alfredo H"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "38"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. Nge2 Nge7 7. 0-0 Bf5 8. Nb5 a6 9. Bxf5 Nxf5 10. Qd3 Nce7 11. c3 Ba5 12. Na3 0-0 13. Nc2 c6 14. Ng3 Qd7 15. Bf4 Rfe8 16. Rae1 Nxg3 17. Bxg3 Ng6 18. Rxe8+ Rxe8 19. Re1 Rxe1+ 1/2-1/2

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "2"]
[White "Piazzini, Luis Roberto"]
[Black "Monostori, Lajos"]
[Result "1-0"]
[ECO "B37"]
[PlyCount "83"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[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 Bg7 6. Ne2 d6 7. Nbc3 f5 8. Ng3 Nf6 9. exf5 Bxf5 10. Nxf5 gxf5 11. Be2 0-0 12. 0-0 Kh8 13. Nd5 e6 14. Nf4 Qe7 15. Re1 e5 16. Nd5 Qf7 17. Bg5 Nd4 18. Bf3 Nxd5 19. Bxd5 Qg6 20. Be3 Nc6 21. f3 Rfd8 22. Kh1 Rd7 23. Qd2 Bf6 24. Re2 Re8 25. Rg1 Bd8 26. g4 f4 27. Bf2 Bb6 28. Be4 Qf7 29. Bxb6 axb6 30. g5 Nd4 31. g6 Qxc4 32. Reg2 Ree7 33. Rc1 Qe6 34. g7+ Kg8 35. Bd5 Rd8 36. Bxe6+ Nxe6 37. Qd5 Kf7 38. Qxd6 Rxd6 39. g8Q+ Kf6 40. Rcg1 Rf7 41. Qh8+ Kf5 42. Rg5+ 1-0

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "4"]
[White "Piazzini, Luis Roberto"]
[Black "Naselli"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "81"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 5. Qc2 Nf6 6. Nc3 0-0 7. e3 Nbd7 8. Bd3 a6 9. cxd5 exd5 10. 0-0 g6 11. Na4 Bd6 12. b4 b6 13. Rfe1 Bb7 14. Bc3 Re8 15. Rab1 Ne4 16. Nc5 Qc8 17. Nxb7 Qxb7 18. Nd2 Ndf6 19. f3 Nxc3 20. Qxc3 Qb8 21. Nf1 Qd8 22. e4 dxe4 23. Bxe4 Nxe4 24. fxe4 a5 25. a3 axb4 26. axb4 Ra2 27. e5 Bf8 28. Ne3 Qh4 29. Rf1 Qe4 30. Qb3 Re6 31. Qxa2 Qxe3+ 32. Qf2 Qxf2+ 33. Kxf2 c5 34. dxc5 bxc5 35. b5 c4 36. Rfc1 Bc5+ 37. Kf3 Rxe5 38. Rxc4 h5 39. b6 Rf5+ 40. Ke4 Bd6 41. b7 1-0

[Event "Buenos Aires Club Argentino-53"]
[Site "Buenos Aires"]
[Date "1958.??.??"]
[Round "11"]
[White "Piazzini, Luis Roberto"]
[Black "Palermo, Vicente"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "67"]
[EventDate "1958.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d3 Bg7 4. g3 0-0 5. Bg2 c6 6. e4 e5 7. Nge2 d6 8. 0-0 a6 9. Bg5 b5 10. Qc1 Nbd7 11. b3 Nc5 12. cxb5 axb5 13. b4 Ne6 14. Be3 Rb8 15. d4 Ng4 16. d5 Nxe3 17. fxe3 cxd5 18. Nxd5 Ng5 19. Qc7 Qxc7 20. Nxc7 Bb7 21. Nc3 Rfc8 22. N3d5 Bf8 23. Rfc1 Bxd5 24. Nxd5 Ra8 25. Rxc8 Rxc8 26. h4 Ne6 27. Bf1 Rb8 28. a4 bxa4 29. Rxa4 Rb7 30. Ra8 Kg7 31. Ba6 Rd7 32. Bc8 Nc7 33. Bxd7 Nxa8 34. Bc6 1-0

[Event "ARG-ch not finished"]
[Site "Buenos Aires"]
[Date "1954.??.??"]
[Round "9"]
[White "Maderna, Carlos Hugo"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "83"]
[EventDate "1954.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Bd3 Bd6 9. 0-0 0-0 10. Qc2 h6 11. Bh4 Re8 12. Rfe1 Bb4 13. Nd2 g5 14. Bg3 Nf8 15. a3 Be7 16. b4 Qd8 17. Nb3 Nh5 18. b5 Nxg3 19. hxg3 Be6 20. bxc6 bxc6 21. Na4 Rc8 22. Nac5 Rb8 23. Rab1 Bxc5 24. Nxc5 Qa5 25. Bf5 Kg7 26. Rec1 Rb6 27. Bxe6 Nxe6 28. Nd7 Rxb1 29. Rxb1 Qc7 30. Nc5 Qa5 31. Rb7 Nxc5 32. dxc5 Re6 33. Qb2+ Kg6 34. Qb1+ Kg7 35. Qb4 Qxb4 36. axb4 Re4 37. Rxa7 Rxb4 38. Ra6 d4 39. exd4 Rxd4 40. Rxc6 Rd1+ 41. Kh2 g4 42. f3 1/2-1/2

[Event "ARG-ch not finished"]
[Site "Buenos Aires"]
[Date "1954.??.??"]
[Round "1"]
[White "Piazzini, Luis Roberto"]
[Black "Pelikan, Jorge"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "66"]
[EventDate "1954.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 g6 5. c3 Bg7 6. d4 cxd4 7. cxd4 a6 8. Ba4 0-0 9. 0-0 b5 10. Bb3 Na5 11. e5 Nxb3 12. axb3 Nd5 13. Nc3 Nxc3 14. bxc3 Bb7 15. Bg5 f6 16. Bd2 Bxf3 17. Qxf3 fxe5 18. Qd5+ e6 19. Qd6 exd4 20. cxd4 Rf5 21. Rxa6 Rd5 22. Rxa8 Qxa8 23. Qg3 Bxd4 24. Bc3 Qa7 25. h4 Bxc3 26. Qxc3 Qd4 27. Qc8+ Kf7 28. g3 Rc5 29. Qd8 Rc3 30. Qg5 h6 31. Qxh6 Rxg3+ 32. Kh2 Rxb3 33. Qh7+ Qg7 0-1

[Event "ARG-ch not finished"]
[Site "Buenos Aires"]
[Date "1954.??.??"]
[Round "10"]
[White "Piazzini, Luis Roberto"]
[Black "Shocron, Ruben"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "92"]
[EventDate "1954.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Qe2 Nc6 5. 0-0 e6 6. Rd1 a6 7. Bxc6 Bxc6 8. d4 cxd4 9. Nxd4 Qc7 10. Nxc6 bxc6 11. b3 Be7 12. Bb2 Bf6 13. c4 Bxb2 14. Qxb2 Nf6 15. Nc3 0-0 16. Rd3 Rfd8 17. Rad1 a5 18. Qd2 Ne8 19. Na4 Rab8 20. Qg5 h6 21. Qd2 Kh7 22. e5 d5 23. f4 f5 24. c5 Rb5 25. Qe3 Qe7 26. Rc1 Nc7 27. Rd4 Na6 28. Qc3 Rg8 29. Rd3 Nb4 30. Rd2 g5 31. fxg5 Qxg5 32. Rcd1 Na6 33. Rc2 Rb4 34. Nb6 Rg4 35. Rdd2 Nb4 36. Nd7 d4 37. Nf6+ Qxf6 38. Rxd4 Nxc2 39. Rxg4 Qd8 40. Rxg8 Qd1+ 41. Kf2 Kxg8 42. Qxa5 Qd4+ 43. Kf1 f4 44. Ke2 Nb4 45. Kf3 Nd3 46. Ke2 Nxe5 0-1

[Event "ARG-ch not finished"]
[Site "Buenos Aires"]
[Date "1954.??.??"]
[Round "7"]
[White "Rossetto, Hector"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "D51"]
[PlyCount "93"]
[EventDate "1954.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ARG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 cxd5 7. e3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Bh4 Bb4 11. Qc2 Nb6 12. Be2 Bd7 13. 0-0 f5 14. a3 Bxc3 15. bxc3 Rc8 16. c4 Bb5 17. c5 Ba6 18. Bxa6 Qxa6 19. Qd1 Nd5 20. Qh5+ g6 21. Qh6 Kf7 22. Bg3 Nf6 23. Be5 Rhf8 24. Rab1 Kg8 25. h3 Rf7 26. Rb3 Nd5 27. Rfb1 b6 28. Qg5 Qe2 29. a4 Rcf8 30. Bd6 f4 31. Bxf8 fxe3 32. fxe3 Rxf8 33. Qg3 Kg7 34. cxb6 axb6 35. a5 b5 36. a6 b4 37. a7 Qa6 38. Qe5+ Kg8 39. Rc1 Qxa7 40. Qxe6+ Qf7 41. Qxe4 Re8 42. Qf3 Qe6 43. Rc5 Rd8 44. e4 Nc3 45. Rxb4 Nxe4 46. Re5 Qd6 47. Qb3+ 1-0

[Event "ARG-ch32"]
[Site "Buenos Aires"]
[Date "1953.??.??"]
[Round "?"]
[White "Foguelman, Alberto"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "69"]
[EventDate "1953.10.20"]
[EventType "tourn"]
[EventRounds "19"]
[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. d3 d6 6. c3 Be7 7. 0-0 0-0 8. Re1 b5 9. Bc2 Bg4 10. Nbd2 Na5 11. Nf1 c5 12. Ne3 Bd7 13. d4 Qc7 14. dxe5 dxe5 15. Nd5 Nxd5 16. exd5 f6 17. Qd3 g6 18. Qe2 Nc4 19. b3 Nd6 20. c4 Rab8 21. Bd2 Nf5 22. Bxf5 Bxf5 23. Bc3 Bd6 24. Nd2 Rf7 25. g4 Bd7 26. Ne4 g5 27. h3 Rbf8 28. Qe3 Re7 29. b4 f5 30. Nxd6 Qxd6 31. Qxg5+ Rg7 32. Qxg7+ Kxg7 33. Bxe5+ Qxe5 34. Rxe5 Kf6 35. Rae1 1-0

[Event "ARG-ch32"]
[Site "Buenos Aires"]
[Date "1953.??.??"]
[Round "?"]
[White "Montiel, P."]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "90"]
[EventDate "1953.10.20"]
[EventType "tourn"]
[EventRounds "19"]
[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 Nxe4 6. Qe2 Nc5 7. Bxc6 dxc6 8. d4 Ne6 9. dxe5 Nd4 10. Nxd4 Qxd4 11. h3 Be7 12. Nd2 Qh4 13. Nf3 Qh5 14. Nd4 Qxe2 15. Nxe2 0-0 16. Bf4 h6 17. Rad1 Rd8 18. Rxd8+ Bxd8 19. Rd1 Be7 20. g4 h5 21. f3 Be6 22. Ng3 hxg4 23. hxg4 Bd5 24. Kf2 Re8 25. Be3 f6 26. Bd4 fxe5 27. Bxe5 Bd6 28. Bxd6 cxd6 29. Nf5 b5 30. b3 a5 31. Nxd6 Re6 32. Nxb5 Bxf3 33. Kxf3 Rf6+ 34. Ke4 cxb5 35. Rd5 Rb6 36. Rd8+ Kh7 37. Ra8 Rc6 38. Kd3 Rd6+ 39. Ke3 Rc6 40. Kd2 Rd6+ 41. Kc1 a4 42. bxa4 bxa4 43. Rxa4 Kg6 44. Re4 Kg5 45. a4 Ra6 1-0

[Event "ARG-ch32"]
[Site "Buenos Aires"]
[Date "1953.??.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Guimard, Carlos Enrique"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "130"]
[EventDate "1953.10.20"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "ARG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Nbd2 Nc5 6. Nb3 Ne6 7. Be3 Nc6 8. exd6 Bxd6 9. Qd2 Bb4 10. c3 Qxd2+ 11. Nbxd2 Bc5 12. Bxc5 Nxc5 13. Bb5 0-0 14. 0-0 Ne7 15. Rfe1 Ng6 16. Ne4 a6 17. Bf1 Nxe4 18. Rxe4 Bf5 19. Re3 Rfe8 20. Rae1 Rxe3 21. Rxe3 Rd8 22. g3 Kf8 23. a3 Rd1 24. Re1 Rxe1 25. Nxe1 Ne5 26. f4 Ng4 27. Bd3 Bc8 28. Nc2 h6 29. h3 Nf6 30. Kg2 c5 31. Ne3 Bd7 32. Nf5 Bc6+ 33. Kf2 h5 34. Ke3 g6 35. Nd6 h4 36. Ne4 Nd5+ 37. Kf2 c4 38. Bxc4 Nxf4 39. gxf4 Bxe4 40. a4 a5 41. Bf1 b6 42. Ke3 Bc2 43. Bb5 Bf5 44. Bf1 Bd7 45. Kd4 Ke7 46. b3 Kd6 47. Bg2 Be6 48. b4 Bb3 49. bxa5 bxa5 50. c4 Bxa4 51. c5+ Kc7 52. Kc4 Bc6 53. Bf1 Kd7 54. Kd4 Ke7 55. Kc3 Kf6 56. Kd4 Kf5 57. Bc4 Bg2 58. Bxf7 Bxh3 59. c6 a4 60. c7 Kf6 61. Be8 a3 62. Kc3 Be6 63. Bc6 a2 64. Kb2 h3 65. Bd5 h2 0-1

[Event "ARG-ch32"]
[Site "Buenos Aires"]
[Date "1953.??.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Iliesco, Juan Traian"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "119"]
[EventDate "1953.10.20"]
[EventType "tourn"]
[EventRounds "19"]
[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. g3 Bd7 7. Bg2 g6 8. 0-0 Bg7 9. Nce2 0-0 10. b3 Nxd4 11. Nxd4 e5 12. Ne2 Bc6 13. Nc3 Qc7 14. Bg5 h6 15. Bxf6 Bxf6 16. Nd5 Bxd5 17. Qxd5 Qc6 18. Rfd1 Qxd5 19. Rxd5 Be7 20. c4 Rfc8 21. Rad1 b6 22. f4 f6 23. Bh3 Rc5 24. Be6+ Kg7 25. R5d3 Rf8 26. f5 g5 27. h4 h5 28. Bd5 Rc7 29. b4 g4 30. b5 Rd8 31. Ra3 Bf8 32. Ra6 Rdd7 33. Rd3 Re7 34. Kf1 Kh7 35. Ke2 Red7 36. Be6 Rg7 37. Bd5 Rge7 38. a4 Rg7 39. Rd2 Rge7 40. a5 bxa5 41. Ra2 Rg7 42. R6xa5 Rgd7 43. Ra6 Rg7 44. b6 axb6 45. Ra8 Be7 46. Rb8 Kh6 47. Raa8 Rh7 48. Rxb6 Rg7 49. Rbb8 Rh7 50. Kd3 Rg7 51. Kc3 Rh7 52. Kb4 Rg7 53. Kb5 Rh7 54. Kb6 Rc5 55. Rg8 Rg7 56. Rh8+ Rh7 57. Rxh7+ Kxh7 58. Re8 Kh6 59. Rxe7 Rc7 60. Rf7 1-0

[Event "ARG-ch32"]
[Site "Buenos Aires"]
[Date "1953.??.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Pilnik, Hermann"]
[Result "1/2-1/2"]
[ECO "B39"]
[PlyCount "82"]
[EventDate "1953.10.20"]
[EventType "tourn"]
[EventRounds "19"]
[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 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 0-0 11. Bd3 d6 12. Rc1 Nc5 13. Bb1 Be6 14. b3 a5 15. f4 a4 16. b4 Nd7 17. Nd5 a3 18. Bd3 Bb2 19. Rc2 f5 20. 0-0 fxe4 21. Bxe4 Bf5 22. Bxf5 Rxf5 23. Bd4 Bxd4+ 24. Qxd4 Rf7 25. Re2 Rc8 26. Qe4 Nf6 27. Nxe7+ Kg7 28. Qe6 Rc7 29. Nd5 Nxd5 30. Qxd5 Rf5 31. Qd4+ Qf6 32. Rd2 Qxd4+ 33. Rxd4 h5 34. Rf3 b5 35. Rc3 bxc4 36. Rcxc4 Rxc4 37. Rxc4 Rd5 38. h3 Rd2 39. b5 Rxa2 40. Ra4 Rb2 41. Rxa3 Rxb5 1/2-1/2

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Beretta, Hector"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "83"]
[EventDate "1947.10.30"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Bh4 Bb4 11. Qc2 0-0 12. Be2 f5 13. 0-0 Nf6 14. a3 Bxc3 15. bxc3 Be6 16. c4 Rae8 17. Qb2 Bc8 18. Rfd1 f4 19. exf4 Nh5 20. d5 Nxf4 21. Bg3 Qc5 22. Bxf4 Rxf4 23. Qd4 Qxd4 24. Rxd4 c5 25. Rdd1 Ref8 26. Rf1 R4f6 27. f3 exf3 28. Rxf3 Rxf3 29. Bxf3 Rf6 30. Rd1 Rd6 31. Kf2 Kf7 32. Ke3 Ke7 33. Kf4 Rf6+ 34. Ke5 Rf5+ 35. Ke4 Kd6 36. Kd3 Rf4 37. Be4 h6 38. Re1 Bd7 39. Ke3 Rf8 40. Rb1 b6 41. Bc2 Re8+ 42. Kd2 1/2-1/2

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Corte, Cesar Juan"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "38"]
[EventDate "1947.10.30"]
[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 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bb5+ Bd7 6. Ne5 Nf6 7. Qf3 Qc7 8. 0-0 a6 9. Bc4 Qxe5 10. Qxb7 e6 11. d3 Ng4 12. g3 Bd6 13. Ne4 0-0 14. Nxd6 Qxd6 15. Qxa8 Bc6 16. Qa7 Ne5 17. f3 Qd4+ 18. Rf2 Nxf3+ 19. Kf1 Qg4 0-1

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Garibaldi, Oscar"]
[Black "Piazzini, Luis Roberto"]
[Result "1/2-1/2"]
[ECO "A13"]
[PlyCount "177"]
[EventDate "1947.10.30"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 d4 5. d3 Nc6 6. 0-0 Bc5 7. b3 0-0 8. Na3 e5 9. Nd2 Qe7 10. Nc2 Bf5 11. Ne4 Nxe4 12. dxe4 Bg4 13. Qd3 Rae8 14. h3 Bc8 15. g4 g5 16. Bd2 Bb4 17. Bxb4 Nxb4 18. Nxb4 Qxb4 19. a3 Qd6 20. b4 c5 21. b5 f6 22. Bf3 h5 23. Kg2 h4 24. a4 Re6 25. a5 Qc7 26. Kg1 Rd6 27. Rfc1 Re8 28. Bg2 Kg7 29. f3 Be6 30. Ra3 Qf7 31. Rc2 Kh6 32. Kh1 Rc8 33. Kg1 Bd7 34. Rb2 Be6 35. Rc2 Qg8 36. Kf2 Re8 37. Rc1 Qg7 38. Rc2 Qc7 39. Kg1 Rc8 40. Rc1 Qd7 41. Kh1 Qf7 42. Rc2 Rcd8 43. Rc1 Kg7 44. Kg1 Kf8 45. Ra4 Ke8 46. Bf1 Bd7 47. Raa1 Rc8 48. Rab1 Qe6 49. Rb2 a6 50. b6 Bc6 51. Rbc2 Rd7 52. Bg2 Rcd8 53. Kh1 Rg7 54. Rd2 Rdd7 55. Qa3 Qe7 56. Rd3 Kd8 57. Rf1 Kc8 58. Qc1 Rd8 59. Qa3 Qd6 60. Rf2 Be8 61. Rd1 Kb8 62. Qd3 Qe6 63. Kg1 Rc8 64. Rc1 Rd7 65. Rff1 Re7 66. Rc2 Ba4 67. Rb2 Rd7 68. Rc1 Qd6 69. Kf2 Bc6 70. Kg1 Re8 71. Ra1 Kc8 72. Rc1 Rde7 73. Ra2 Rg8 74. Ra3 f5 75. gxf5 Be8 76. Kh1 Bh5 77. Rg1 Reg7 78. Bf1 Qh6 79. Rg4 Bxg4 80. fxg4 Rd7 81. Bg2 Rgd8 82. Kg1 Rd6 83. Rb3 Qf8 84. Kf2 Qe8 85. Ra3 Rf6 86. Ra2 Rdd6 87. Qa3 Rc6 88. Rb2 Qd8 89. Qb3 1/2-1/2

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Martin, Pedro"]
[Black "Piazzini, Luis Roberto"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "75"]
[EventDate "1947.10.30"]
[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. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 Ne5 7. Qb3 Qe7 8. e3 Bxc3+ 9. Qxc3 d6 10. Be2 Bd7 11. Qc2 h6 12. Bh4 Ng6 13. Bg3 h5 14. h3 Ne4 15. Bh2 Nh4 16. Rg1 Nf5 17. Nxf5 Bxf5 18. Bd3 g6 19. 0-0-0 h4 20. f3 Ng3 21. Bxf5 Nxf5 22. e4 Ng3 23. Qf2 Rh5 24. Kb1 Rc5 25. Rc1 Qe5 26. Rge1 g5 27. Qd2 0-0-0 28. b4 Rc6 29. b5 Rb6 30. Bg1 c5 31. Qd5 f6 32. a4 a5 33. Be3 Nh5 34. Red1 Nf4 35. Qd2 Kc7 36. Qxa5 Rb8 37. Rd2 Ne6 38. Rd5 1-0

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Patt Rubinstein, Jacobo"]
[Black "Piazzini, Luis Roberto"]
[Result "0-1"]
[ECO "C51"]
[PlyCount "128"]
[EventDate "1947.10.30"]
[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. Bc4 Bc5 4. b4 Bb6 5. Bb2 Qe7 6. a3 d6 7. Nc3 Nf6 8. h3 h6 9. Qe2 Nd4 10. Nxd4 Bxd4 11. Rb1 0-0 12. Nd5 Nxd5 13. Bxd5 Qg5 14. Qf3 c6 15. Bb3 Bb6 16. Bc1 Qg6 17. d3 Kh8 18. Qg3 Qxg3 19. fxg3 f5 20. Rf1 Bd7 21. Rf3 fxe4 22. dxe4 Rxf3 23. gxf3 Bxh3 24. c4 Rf8 25. Bd1 Be6 26. c5 dxc5 27. bxc5 Ba5+ 28. Kf2 b5 29. Bb3 Bg4 30. Bd1 Bc7 31. Be3 a5 32. Be2 Be6 33. Rd1 g5 34. Bd2 Rd8 35. Bc3 Rxd1 36. Bxd1 Kh7 37. g4 Kg6 38. Ke3 Kf6 39. Be2 Bd8 40. Kd2 Bb3 41. Kc1 Bf7 42. Kc2 Bc7 43. Kb2 Kg7 44. Kc2 Ba2 45. Kb2 Be6 46. Kc2 Kf6 47. Kc1 Kg7 48. Kc2 h5 49. gxh5 Kh6 50. Kd2 Bh3 51. Ke3 Kxh5 52. f4+ g4 53. f5 Kg5 54. Bd2 Bd8 55. Kf2+ Kh4 56. Kg1 Be7 57. Be3 g3 58. Bxb5 cxb5 59. c6 Bd8 60. Bc5 Bc7 61. f6 Be6 62. Kg2 Kg4 63. Be3 Bc4 64. Bd2 Bf7 0-1

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Aguirre Izaguirre, Pedro Jose"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "82"]
[EventDate "1947.10.30"]
[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. Nc3 Bb4 4. e5 c5 5. Bd2 Nc6 6. Nb5 Bxd2+ 7. Qxd2 Nxd4 8. Nxd4 cxd4 9. Nf3 Ne7 10. Qxd4 Nc6 11. Qg4 0-0 12. Bd3 f5 13. Qf4 Qe7 14. c3 Bd7 15. h4 a6 16. g4 Kh8 17. g5 Be8 18. h5 Qc7 19. h6 g6 20. 0-0 b5 21. Rfc1 Na5 22. b3 Rc8 23. Nd4 Bd7 24. Rc2 Qb6 25. a3 Kg8 26. b4 Nc4 27. Nb3 Qc7 28. Re2 Nb6 29. Nc5 Ra8 30. Rd1 Bc8 31. Ra1 Bd7 32. Bc2 Rfc8 33. Qd4 Qd8 34. f4 Qc7 35. Bb3 Nc4 36. Bxc4 bxc4 37. a4 Kf7 38. Rd2 Ra7 39. Rad1 Bc6 40. b5 axb5 41. axb5 Bxb5 1-0

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Benko, Francisco"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "168"]
[EventDate "1947.10.30"]
[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. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bd2 d6 10. Bc3 Nd7 11. Qd2 c6 12. Qe3 d5 13. Bh3 Bxf3 14. Qxf3 dxc4 15. Qxc6 Rc8 16. Qa4 Rc7 17. Rfd1 Nf6 18. Rac1 Qb8 19. Qb5 Qb7 20. Bg2 Nd5 21. Bd2 a6 22. Qa4 b5 23. Qc2 Qb6 24. a3 Rd7 25. e4 Nf6 26. Bc3 Rdd8 27. Qd2 Rb8 28. Ba5 Qb7 29. d5 exd5 30. exd5 Bd6 31. Bc3 Nd7 32. Qg5 f6 33. Qf5 Nc5 34. Bb4 Qc8 35. Qh5 g6 36. Qh6 Rb7 37. Bh3 f5 38. Re1 Rbf7 39. Rcd1 Qc7 40. Re6 Ne4 41. Bxd6 Nxd6 42. Qf4 Rd8 43. Bg2 Rg7 44. h4 h5 45. Rde1 Kh7 46. Qg5 Rdd7 47. Bf3 Qd8 48. Qf4 Ne4 49. Bxe4 fxe4 50. R1xe4 Rxd5 51. Rxa6 Rd1+ 52. Kh2 Qd2 53. Rxg6 Qxf4 54. Rxg7+ Kxg7 55. Rxf4 Rd2 56. Rf5 Rxb2 57. Kg2 Kg6 58. Rg5+ Kh6 59. Rc5 Rb3 60. a4 bxa4 61. Rxc4 a3 62. Rc6+ Kg7 63. Ra6 Kf7 64. Kf1 Kg7 65. Kg2 Rc3 66. Ra4 Kg6 67. g4 hxg4 68. Rxg4+ Kh5 69. Ra4 Rb3 70. f3 Rb2+ 71. Kg3 a2 72. Ra5+ Kg6 73. Kg4 Rg2+ 74. Kf4 Rb2 75. h5+ Kh6 76. Kg3 Rb5 77. Rxa2 Kxh5 78. Kf4 Kg6 79. Ra6+ Kf7 80. Kg4 Rc5 81. f4 Rb5 82. Rh6 Kg7 83. Rd6 Kf7 84. f5 Rb1 1/2-1/2

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Iliesco, Juan Traian"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "81"]
[EventDate "1947.10.30"]
[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. e4 d6 4. f4 Bg7 5. Nf3 c5 6. d3 Nc6 7. g3 Bd7 8. Bg2 a6 9. h3 Rb8 10. g4 h6 11. e5 dxe5 12. fxe5 Nh7 13. Bf4 Nf8 14. 0-0 Ne6 15. Qd2 Nxf4 16. Qxf4 Be6 17. Qe4 0-0 18. Nd5 Qd7 19. Nb6 Qd8 20. Nd5 Qd7 21. Rac1 Rbd8 22. Nf4 Qc8 23. b4 b6 24. bxc5 bxc5 25. Rb1 Nd4 26. Nd5 Nxf3+ 27. Bxf3 Rfe8 28. Qf4 Bxd5 29. Bxd5 Rf8 30. Bxf7+ Kh8 31. Qe4 Qc7 32. Rbe1 g5 33. Qg6 Rb8 34. h4 Qd7 35. Qe4 gxh4 36. Bd5 e6 37. Bc6 Qe7 38. Rxf8+ Rxf8 39. Rf1 Rxf1+ 40. Kxf1 Qf8+ 41. Kg2 1/2-1/2

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Luckis, Marcos"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "58"]
[EventDate "1947.10.30"]
[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. b4 Nf6 4. bxc5 Nxe4 5. cxd6 e6 6. Bb5+ Bd7 7. Qe2 Nxd6 8. Bxd7+ Nxd7 9. Bb2 Qb6 10. Bd4 Qb5 11. Nc3 Qxe2+ 12. Kxe2 f6 13. Rab1 Kf7 14. Nb5 b6 15. d3 Nxb5 16. Rxb5 Bc5 17. a4 Rac8 18. Kd2 Rhd8 19. Ra1 e5 20. Bxc5 Nxc5 21. a5 Ne4+ 22. Ke3 Nc3 23. Rb3 b5 24. Kd2 Ne4+ 25. Ke3 Nd6 26. c3 a6 27. Nd2 Nb7 28. Ne4 f5 29. Ng5+ Kf6 0-1

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Maderna, Carlos Hugo"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "53"]
[EventDate "1947.10.30"]
[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. Nc3 f6 6. d4 Bg4 7. dxe5 Qxd1+ 8. Nxd1 Bxf3 9. gxf3 fxe5 10. f4 Nf6 11. fxe5 Nxe4 12. Be3 0-0-0 13. f3 Nc5 14. Nf2 Re8 15. Bxc5 Rxe5+ 16. Ne4 Bxc5 17. 0-0-0 Rf8 18. Rd3 Be7 19. Kd1 Rh5 20. Ke2 Bf6 21. b3 Be5 22. h3 b6 23. Kf2 Bf4 24. c4 Rd8 25. Rxd8+ Kxd8 26. Kg2 a5 27. a4 1/2-1/2

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Martinez, JE."]
[Result "1-0"]
[ECO "A47"]
[PlyCount "55"]
[EventDate "1947.10.30"]
[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. e3 b6 4. Nbd2 Bb7 5. Bd3 c5 6. c3 Nc6 7. 0-0 Qc7 8. a3 d5 9. b4 cxd4 10. cxd4 Bd6 11. Bb2 0-0 12. Rc1 Qe7 13. Ne5 Rfc8 14. Qf3 Nd7 15. Qh3 f5 16. f4 Nf6 17. Ndf3 Rc7 18. Ng5 Rac8 19. Nxe6 Qxe6 20. Bxf5 Qe8 21. Be6+ Kf8 22. f5 Ra8 23. Ng6+ hxg6 24. Qh8+ Ke7 25. Qxg7+ Kd8 26. Qxf6+ Re7 27. Bxd5 gxf5 28. Qxd6+ 1-0

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Pilnik, Hermann"]
[Result "1/2-1/2"]
[ECO "D61"]
[PlyCount "44"]
[EventDate "1947.10.30"]
[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. Nf3 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 0-0 7. Qc2 h6 8. Bh4 c5 9. Rd1 Qa5 10. Bd3 cxd4 11. exd4 dxc4 12. Bxc4 Nb6 13. Bb3 Bd7 14. 0-0 Rac8 15. Qe2 Bc6 16. Ne5 Bd5 17. Nxd5 Nbxd5 18. Ng6 fxg6 19. Qxe6+ Kh8 20. Bxf6 Bxf6 21. Qxd5 Qxd5 22. Bxd5 b6 1/2-1/2

[Event "ARG-ch26 Challenger"]
[Site "Buenos Aires"]
[Date "1947.11.??"]
[Round "?"]
[White "Piazzini, Luis Roberto"]
[Black "Rossetto, Hector"]
[Result "0-1"]
[ECO "E22"]
[PlyCount "69"]
[EventDate "1947.10.30"]
[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. Nc3 Bb4 4. Qb3 c5 5. dxc5 Na6 6. a3 Bxc5 7. g3 Ng4 8. Nh3 Qb6 9. Qxb6 Bxb6 10. b4 Bd4 11. Bb2 0-0 12. Rd1 Bf6 13. Bg2 Ne5 14. Ne4 Nf3+ 15. Bxf3 Bxb2 16. Rd3 d5 17. Nd6 Rd8 18. c5 b6 19. Nc4 Bf6 20. cxb6 e5 21. b7 Bxb7 22. Na5 Bc8 23. Bg2 e4 24. Rb3 Bd7 25. 0-0 Bb5 26. Nf4 Rac8 27. Nb7 g5 28. Nh5 Be5 29. Nxd8 Bxe2 30. g4 Rxd8 31. Ng3 Bxf1 32. Bxf1 Bxg3 33. Bxa6 Bf4 34. Bb7 Kg7 35. b5 0-1

