[Event "Pan American-ch Seniors 2nd"]
[Site "Mar del Plata"]
[Date "2011.08.03"]
[Round "7"]
[White "Buonzerio, Jose"]
[Black "Szmetan, Jorge"]
[Result "0-1"]
[ECO "C47"]
[BlackElo "2371"]
[PlyCount "56"]
[EventDate "2011.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. a3 Be7 5. Bb5 0-0 6. 0-0 Nd4 7. Nxd4 exd4 8. e5 dxc3 9. exf6 cxb2 10. Bxb2 Bxf6 11. Bxf6 Qxf6 12. d4 d6 13. Bd3 Bd7 14. c4 Rfe8 15. Qc2 h6 16. Rfd1 Re7 17. Be4 Rae8 18. f3 b6 19. d5 Qg5 20. Qf2 Bf5 21. f4 Qf6 22. Bf3 Bd3 23. Rac1 Qxf4 24. Rc3 Be2 25. g3 Qe5 26. Rdc1 Bxf3 27. Rxf3 Qe2 28. Rc2 Qd1+ 0-1

[Event "Pan American-ch Seniors 2nd"]
[Site "Mar del Plata"]
[Date "2011.08.02"]
[Round "6"]
[White "Buonzerio, Jose"]
[Black "Lopez Paz, Nestor"]
[Result "1/2-1/2"]
[ECO "A43"]
[BlackElo "1987"]
[PlyCount "63"]
[EventDate "2011.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. d5 exd5 4. exd5 d6 5. c4 Nf6 6. Be2 Be7 7. Nc3 0-0 8. Nf3 Bg4 9. 0-0 Nbd7 10. Bf4 a6 11. h3 Bf5 12. Re1 Re8 13. g4 Bg6 14. Bd3 Nf8 15. Qd2 Qd7 16. Kg2 Rab8 17. Qc2 Bxd3 18. Qxd3 Ng6 19. Bg3 h6 20. Re3 Bf8 21. Rae1 Rxe3 22. Rxe3 Re8 23. Qe2 Rxe3 24. Qxe3 Be7 25. Nd2 Bd8 26. f4 Ba5 27. f5 Nf8 28. b3 Bxc3 29. Qxc3 Qe7 30. Kf3 N8d7 31. Qe3 Qxe3+ 32. Kxe3 1/2-1/2

[Event "Pan American-ch Seniors 2nd"]
[Site "Mar del Plata"]
[Date "2011.08.01"]
[Round "5"]
[White "Lucena, Lincoln"]
[Black "Buonzerio, Jose"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2183"]
[PlyCount "91"]
[EventDate "2011.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nf6 3. Bxe5 Nc6 4. Bb2 d5 5. e3 a6 6. Nf3 Be7 7. c4 0-0 8. d3 dxc4 9. bxc4 b5 10. cxb5 axb5 11. d4 Bb4+ 12. Nbd2 Qd5 13. a3 Ba5 14. Bd3 Ne4 15. 0-0 Nxd2 16. Nxd2 Bxd2 17. Qxd2 Na5 18. Qc2 f5 19. e4 Qb3 20. Qxb3+ Nxb3 21. Rad1 c6 22. Rfe1 f4 23. d5 Bd7 24. Bb1 Kh8 25. e5 cxd5 26. Rxd5 Bc6 27. Rd3 Na5 28. Rh3 h6 29. e6 Kg8 30. e7 Rfe8 31. Bg6 Nc4 32. Bxe8 Rxe8 33. Bc1 f3 34. Rh4 fxg2 35. Rd4 Kf7 36. Rf4+ Kg8 37. a4 Bd7 38. Kxg2 g5 39. Rd4 Bc6+ 40. Kg3 Kf7 41. axb5 Bxb5 42. Rd5 Ba6 43. Rf5+ Kg6 44. Rc5 Kf7 45. Rc6 Bb5 46. Rxh6 1-0

[Event "Pan American-ch Seniors 2nd"]
[Site "Mar del Plata"]
[Date "2011.07.31"]
[Round "4"]
[White "Buonzerio, Jose"]
[Black "Estavillo, Miguel Angel"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "52"]
[EventDate "2011.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Be7 8. Be3 Qc7 9. 0-0 0-0 10. a5 Nbd7 11. f4 b5 12. axb6 Nxb6 13. Nb3 Bb7 14. Qd3 d5 15. e5 Nfd7 16. Na5 Bc5 17. Kh1 Bc8 18. Bd2 Bb4 19. Nb5 axb5 20. Bxb4 Re8 21. Bd6 Qd8 22. Nc6 Rxa1 23. Nxd8 Rxf1+ 24. Bxf1 Rxd8 25. Qxb5 Bb7 26. Bc7 Ra8 1-0

[Event "Pan American-ch Seniors 2nd"]
[Site "Mar del Plata"]
[Date "2011.07.30"]
[Round "3"]
[White "Cristobal, Ruben"]
[Black "Buonzerio, Jose"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2157"]
[PlyCount "92"]
[EventDate "2011.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. b4 e6 4. bxc5 Bxc5 5. d4 Be7 6. Bd3 d6 7. 0-0 Nc6 8. Bb2 Bf6 9. Nbd2 e5 10. d5 Nb4 11. Be2 a5 12. a4 Ne7 13. Ne1 Ng6 14. g3 0-0 15. Ng2 b6 16. Ne3 Bg5 17. Ra3 Na6 18. Bc1 Bxe3 19. Rxe3 Nc5 20. Ra3 f5 21. exf5 Bxf5 22. Nc4 Qc7 23. Be3 Rfb8 24. h4 Nf8 25. h5 h6 26. g4 Bh7 27. f4 Nfd7 28. g5 Kh8 29. f5 hxg5 30. Bxg5 Ne4 31. Bh4 Rf8 32. Raf3 Ndf6 33. Qb1 Rab8 34. Re3 Qc5 35. Bxf6 Rxf6 36. Kg2 Nd2 37. Qc1 Nxf1 38. Qxf1 Qxd5+ 39. Bf3 Qc5 40. Rb3 Bxf5 41. Rb5 Qd4 42. Nxa5 e4 43. Nc6 exf3+ 44. Qxf3 Qd2+ 45. Kg3 Rc8 46. Ne7 Qe1+ 0-1

[Event "Pan American-ch Seniors 2nd"]
[Site "Mar del Plata"]
[Date "2011.07.29"]
[Round "2"]
[White "Buonzerio, Jose"]
[Black "Ravier, Osvaldo"]
[Result "1-0"]
[ECO "B90"]
[BlackElo "1899"]
[PlyCount "102"]
[EventDate "2011.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 b6 7. Bg5 e6 8. Bd3 Be7 9. Qd2 h6 10. Bh4 Bb7 11. Bg3 Nbd7 12. Nb3 Rc8 13. f4 Nc5 14. Nxc5 Rxc5 15. Qe2 Qc8 16. 0-0 Nd7 17. Bf2 Rc7 18. Bd4 0-0 19. Rac1 Nc5 20. Qg4 e5 21. Qxc8 Rcxc8 22. fxe5 dxe5 23. Bxe5 Nxd3 24. cxd3 Rfd8 25. Rfd1 f6 26. Bg3 Bb4 27. Be1 Rd7 28. Kf2 Rcd8 29. Ke2 Rd4 30. Bf2 Bxc3 31. bxc3 Rxa4 32. Bxb6 Rd7 33. Ra1 Rxa1 34. Rxa1 Kf7 35. Ke3 Ke6 36. Ra5 Rf7 37. g4 Rd7 38. d4 Rf7 39. c4 Kd7 40. Rc5 Bc6 41. d5 Ba4 42. Rc7+ Ke8 43. Rxf7 Kxf7 44. c5 Ke7 45. h4 Bd1 46. Kf4 Bc2 47. h5 Bd1 48. c6 Ba4 49. Bc5+ Kd8 50. Bf8 Bb3 51. Bxg7 Ke7 1-0

[Event "Pan American-ch Seniors 2nd"]
[Site "Mar del Plata"]
[Date "2011.07.28"]
[Round "1"]
[White "Garcia, Raimundo"]
[Black "Buonzerio, Jose"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2316"]
[PlyCount "123"]
[EventDate "2011.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. c4 0-0 6. Nc3 c6 7. 0-0 Nbd7 8. e4 e5 9. h3 Re8 10. Be3 a6 11. Qc2 Nf8 12. Rad1 Qc7 13. dxe5 dxe5 14. Bc5 Be6 15. Bd6 Qc8 16. Na4 N6d7 17. c5 h6 18. Rfe1 g5 19. Nd2 Ng6 20. Nc4 Bxc4 21. Qxc4 Bf8 22. Re3 Re6 23. Red3 Bxd6 24. Rxd6 Rxd6 25. Rxd6 Kg7 26. Qd3 Ngf8 27. h4 Qc7 28. hxg5 hxg5 29. Qd2 f6 30. Bh3 b5 31. Bxd7 bxa4 32. Bxc6 Rb8 33. Qc3 Rc8 34. Bxa4 Qxc5 35. Qxc5 Rxc5 36. Rxa6 Rc4 37. f3 g4 38. Kf2 Rd4 39. Ke3 gxf3 40. Kxf3 Nh7 41. Ke3 Ng5 42. Bc2 Rc4 43. Bd3 Rc1 44. b4 Re1+ 45. Kf2 Rd1 46. Ke2 Rg1 47. Kd2 Rxg3 48. b5 Nf3+ 49. Kc3 Ne1 50. Rd6 Kf7 51. b6 Ke7 52. b7 Kxd6 53. b8Q+ Ke7 54. Qa7+ Kf8 55. Qc5+ Kf7 56. Qd5+ Ke7 57. a4 Rxd3+ 58. Qxd3 Nxd3 59. Kxd3 Kd6 60. Kc4 Kc6 61. a5 Kb7 62. Kd5 1-0

