[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.29"]
[Round "7"]
[White "Alonso, Sergio"]
[Black "Mauro, Osvaldo"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1507"]
[PlyCount "47"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 g6 7. Be3 Bg7 8. Qd2 0-0 9. 0-0-0 Bd7 10. g4 Nc6 11. h4 h5 12. gxh5 Nxh5 13. Rg1 Qc7 14. Nd5 Qd8 15. Nf5 Bxf5 16. exf5 Ne5 17. Be2 e6 18. Nb6 Rb8 19. f4 Nc6 20. Bxh5 gxh5 21. Nd7 Qxd7 22. f6 Rfc8 23. Rxg7+ Kh8 24. Qd3 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.28"]
[Round "6"]
[White "Mauro, Osvaldo"]
[Black "Madeo, Guillermo Oscar"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "1620"]
[PlyCount "48"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Re1 Bg4 7. h3 Bd7 8. e4 e5 9. Nbd2 Nc6 10. c3 a6 11. Nf1 Nh5 12. g4 Nf4 13. Bxf4 exf4 14. g5 Ne5 15. N1h2 f6 16. Nxe5 dxe5 17. gxf6 Qxf6 18. Nf3 g5 19. Nh2 Qg6 20. f3 h5 21. Kf2 Rab8 22. Rg1 Rfd8 23. h4 Qb6+ 24. Ke1 Qxg1+ 0-1

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.27"]
[Round "5"]
[White "Sasson, Maximiliano"]
[Black "Mauro, Osvaldo"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1787"]
[PlyCount "97"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 Nbd7 9. f5 e5 10. Nde2 0-0 11. 0-0 b5 12. Ng3 Bb7 13. Qe2 Rc8 14. Bg5 h6 15. Bxf6 Nxf6 16. Rfd1 Qc7 17. a3 Rfd8 18. Nh5 Rf8 19. Nxf6+ Bxf6 20. Rac1 Kh8 21. Bd5 Rcd8 22. Bxb7 Qxb7 23. Nd5 Bg5 24. Ra1 Qc6 25. c3 Rc8 26. Qc2 Qc5+ 27. Kh1 Rfd8 28. Qe2 Kh7 29. a4 Ra8 30. b4 Qc6 31. Ra3 Rab8 32. axb5 axb5 33. Ra5 Rd7 34. Rda1 Rdb7 35. Ra6 Qd7 36. Qf2 Kg8 37. f6 Qg4 38. Re1 Qe6 39. Ne7+ Kh7 40. Nc6 Rc8 41. fxg7 Kxg7 42. Rd1 Rbc7 43. Na7 Rb8 44. Rdxd6 Qb3 45. h4 Be7 46. Qg3+ Kf8 47. Rxh6 Ke8 48. Rh8+ Bf8 49. Qxe5+ 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.25"]
[Round "4"]
[White "Mauro, Osvaldo"]
[Black "Duarte, Hector"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "75"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. c3 Nc6 8. Re1 e5 9. Nbd2 Be6 10. Nf1 Qd7 11. h4 h5 12. N1h2 Ng4 13. Bg5 Nxh2 14. Kxh2 Bg4 15. Qd2 Kh7 16. Ng1 f5 17. f3 f4 18. fxg4 fxg3+ 19. Kxg3 Rf4 20. Bxf4 exf4+ 21. Kh2 Qxg4 22. Qf2 Ne5 23. Rad1 Bf6 24. Nf3 Qc8 25. Nxe5 dxe5 26. Rh1 Qd8 27. Kg1 Qe7 28. Kf1 Rh8 29. Ke2 Kg7 30. Rdg1 g5 31. hxg5 Bxg5 32. Bf3 Kf6 33. Rxh5 Rxh5 34. Bxh5 Ke6 35. Qg2 f3+ 36. Qxf3 Bf4 37. Rg6+ Kd7 38. Qg4+ 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.24"]
[Round "3"]
[White "Lojo, Juan Antonio"]
[Black "Mauro, Osvaldo"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1616"]
[PlyCount "79"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 5. 0-0 0-0 6. c4 Nbd7 7. Nc3 b6 8. Qc2 Bb7 9. d5 Re8 10. Bd2 Nc5 11. b4 Nxd3 12. Qxd3 e6 13. e4 exd5 14. exd5 Ba6 15. Rae1 Qd7 16. b5 Bb7 17. Ne4 Nxe4 18. Rxe4 Rxe4 19. Qxe4 Re8 20. Qd3 a6 21. a4 axb5 22. axb5 Ra8 23. Re1 Qd8 24. Qe4 Ra1 25. Rxa1 Bxa1 26. h3 Bc8 27. g4 f5 28. Qe1 fxg4 29. hxg4 Bf6 30. Qe4 Qd7 31. Nh2 Be5 32. f3 Qe7 33. Bf4 Bf6 34. Qxe7 Bxe7 35. Kf2 h5 36. Ke3 hxg4 37. fxg4 Kf7 38. Ke4 Bh4 39. Nf3 Bf6 40. Nh2 1/2-1/2

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.23"]
[Round "2"]
[White "Guzman, Diego"]
[Black "Mauro, Osvaldo"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1772"]
[PlyCount "87"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nc6 5. Nc3 Nf6 6. Nf3 e6 7. Be2 Be7 8. 0-0 0-0 9. Bg5 Bd7 10. Re1 a6 11. Bf1 Re8 12. Qd2 Ng4 13. Bxe7 Rxe7 14. h3 Nh6 15. Rad1 Re8 16. Qf4 e5 17. dxe5 dxe5 18. Qd2 Be6 19. Qxd8 Raxd8 20. Rxd8 Rxd8 21. Be2 f6 22. Rd1 Nf7 23. Rxd8+ Nfxd8 24. a3 Nd4 25. Nxd4 exd4 26. Na4 Nc6 27. Nc5 Bc8 28. Bc4+ Kf8 29. Nb3 Ne5 30. Bf1 Nc6 31. f4 Ke7 32. Bc4 Be6 33. Bxe6 Kxe6 34. Nc5+ Ke7 35. Nxb7 d3 36. Kf2 Nd4 37. Ke3 Ne2 38. g3 Nxg3 39. Kxd3 f5 40. exf5 Nxf5 41. Nc5 a5 42. Nb3 a4 43. Nc5 Nh4 44. Nxa4 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.22"]
[Round "1"]
[White "Mauro, Osvaldo"]
[Black "Sanduay, Nicolas"]
[Result "0-1"]
[ECO "A08"]
[BlackElo "2039"]
[PlyCount "94"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. c3 Nge7 7. 0-0 d5 8. Nbd2 b6 9. Re1 a5 10. a4 Ra7 11. exd5 Nxd5 12. Nc4 h6 13. Nfe5 Nce7 14. Qf3 0-0 15. h4 Bb7 16. Qe2 Nf6 17. Bf4 Bxg2 18. Kxg2 Ned5 19. Be3 Nxe3+ 20. Qxe3 Nd7 21. Kg1 Nxe5 22. Nxe5 Bxe5 23. Qxe5 Rd7 24. Rad1 Rxd3 25. Qe2 Rd7 26. Rxd7 Qxd7 27. Qd1 Rd8 28. Qxd7 Rxd7 29. Kf1 Kg7 30. Ke2 Kf6 31. Ke3 Ke7 32. Ke2 e5 33. Rd1 Rxd1 34. Kxd1 Kd6 35. Kd2 c4 36. Ke3 f5 37. f3 g5 38. hxg5 hxg5 39. Ke2 Kd5 40. Ke3 f4+ 41. gxf4 gxf4+ 42. Ke2 e4 43. fxe4+ Kxe4 44. Kf2 f3 45. Kf1 Ke3 46. Ke1 f2+ 47. Kf1 Kf3 0-1

