[Event "Mar del Plata op 41st"]
[Site "Mar del Plata"]
[Date "2010.03.27"]
[Round "1"]
[White "Mansilla, Cesar"]
[Black "Cubas, Jose Fernando"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1976"]
[BlackElo "2460"]
[PlyCount "73"]
[EventDate "2010.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 b5 5. Ne5 Nfd7 6. Nxd7 Qxd7 7. Nd2 c5 8. Nf3 Nc6 9. 0-0 Be7 10. c3 0-0 11. Qd3 b4 12. Ng5 g6 13. h4 bxc3 14. bxc3 cxd4 15. cxd4 Nb4 16. Qd1 Ba6 17. Nf3 Rfc8 18. Ba3 Rc3 19. Bxb4 Bxb4 20. Rb1 Bd6 21. h5 Rac8 22. hxg6 hxg6 23. Qd2 Rc2 24. Qh6 Bf8 25. Qh4 Bxe2 26. Rfe1 Bxf3 27. Bxf3 Bg7 28. Re2 Rxe2 29. Bxe2 Qa4 30. Rb7 Qxd4 31. Qe7 Qf6 32. Qb4 Qc3 33. Qe7 Rf8 34. Rc7 Qb2 35. Bd3 Be5 36. Kg2 Bxg3 37. Kxg3 0-1

[Event "Mar del Plata op 40th"]
[Site "Mar del Plata"]
[Date "2009.04.09"]
[Round "6"]
[White "Fernandez, Jorge Daniel"]
[Black "Mansilla, Cesar"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2046"]
[PlyCount "65"]
[EventDate "2009.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 Nf6 3. e3 e6 4. Bd3 Be7 5. Nd2 d5 6. Nh3 0-0 7. 0-0 Qe8 8. f3 h6 9. Bf4 c5 10. c3 Nc6 11. Kh1 Bd7 12. Bc2 Rc8 13. Nb3 b6 14. Re1 g5 15. Be5 Nxe5 16. dxe5 Nh5 17. g4 fxg4 18. fxg4 c4 19. Nd4 Ng7 20. Qe2 Bd8 21. e4 Bc7 22. exd5 exd5 23. e6 Bc6 24. Rf1 Rxf1+ 25. Rxf1 Ba8 26. Rf6 Qe7 27. Rxh6 Qd6 28. Nxg5 Qf4 29. Bh7+ Kf8 30. e7+ Ke8 31. Bg6+ Kd7 32. Bf5+ Nxf5 33. Qe6+ 1-0

[Event "Mar del Plata op 40th"]
[Site "Mar del Plata"]
[Date "2009.04.08"]
[Round "5"]
[White "Mansilla, Cesar"]
[Black "Alcobedo, Damian"]
[Result "1/2-1/2"]
[ECO "E01"]
[BlackElo "2079"]
[PlyCount "64"]
[EventDate "2009.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Nbd7 5. 0-0 e6 6. Nbd2 Bd6 7. c4 0-0 8. Qc2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qc2 Qa5 13. Bd2 Qh5 14. Bc3 Nd7 15. Rfe1 f6 16. Rad1 e5 17. Nh4 exd4 18. Rxe8+ Qxe8 19. Bxd4 Be5 20. Qe4 g6 21. Bxe5 Nxe5 22. Nf3 Bf5 23. Qf4 Rd8 24. Rf1 Nd3 25. Qd2 Ne5 26. Qb4 Bd3 27. Re1 c5 28. Qc3 Nxf3+ 29. Bxf3 Qf7 30. Bd5 Rxd5 31. cxd5 Qxd5 32. Qxf6 Bb5 1/2-1/2

[Event "Mar del Plata op 40th"]
[Site "Mar del Plata"]
[Date "2009.04.07"]
[Round "4"]
[White "Mansilla, Cesar"]
[Black "Moccero, Eduardo"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "2082"]
[PlyCount "96"]
[EventDate "2009.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. g3 Nc6 4. Bg2 e6 5. 0-0 Nf6 6. c3 b6 7. Bg5 Be7 8. Nbd2 Bb7 9. e3 h6 10. Bxf6 Bxf6 11. Re1 0-0 12. Nb3 c4 13. Nbd2 Qc7 14. e4 dxe4 15. Nxe4 Be7 16. Qa4 Na5 17. Ned2 a6 18. Qd1 b5 19. Ne5 Bxg2 20. Kxg2 Nc6 21. Nxc6 Qxc6+ 22. Qf3 Qd7 23. Qe4 Rab8 24. a3 Bf6 25. Nf3 Rfc8 26. Ne5 Qd6 27. f4 a5 28. Re3 b4 29. axb4 axb4 30. Rae1 bxc3 31. bxc3 Rb2+ 32. R1e2 Rb3 33. Ra2 Bxe5 34. fxe5 Qb6 35. Ra8 Rb2+ 36. Kh3 Rxa8 37. Qxa8+ Qb8 38. Qxb8+ Rxb8 39. Re2 Rb3 40. Rc2 f6 41. exf6 gxf6 42. Kg4 Kg7 43. Kf4 Kg6 44. Ke4 Rb5 45. Ra2 f5+ 46. Kf4 Rb3 47. Rc2 Kf6 48. h3 h5 1/2-1/2

[Event "Mar del Plata op 40th"]
[Site "Mar del Plata"]
[Date "2009.04.05"]
[Round "2"]
[White "Mansilla, Cesar"]
[Black "Bianchi, Albino Angel"]
[Result "0-1"]
[ECO "E01"]
[BlackElo "2102"]
[PlyCount "96"]
[EventDate "2009.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. cxd5 exd5 6. Bg2 Bd6 7. 0-0 0-0 8. Nbd2 Re8 9. b3 Bf5 10. Bb2 Nbd7 11. a3 h6 12. e3 a5 13. Re1 Qc7 14. Bc3 Nb6 15. Qc1 Qe7 16. Qb2 Nfd7 17. Bf1 f6 18. Qc1 Qf7 19. Nh4 Bh7 20. Qd1 Nf8 21. Bg2 g5 22. Nhf3 Bf5 23. h3 Qh7 24. Nh2 Qd7 25. Qh5 Qh7 26. Qf3 Kg7 27. Nhf1 h5 28. g4 Bg6 29. Ng3 hxg4 30. hxg4 a4 31. b4 Nfd7 32. Nf5+ Bxf5 33. Qxf5 Qxf5 34. gxf5 Nc8 35. f3 Bg3 36. Re2 Nd6 37. e4 Nb6 38. Bh3 Nbc4 39. Nxc4 Nxc4 40. Bg2 Bf4 41. Ree1 Ne3 42. Ra2 Nxf5 43. Bd2 Nxd4 44. Kf2 Bxd2 45. Rxd2 Nb3 46. Red1 Nxd2 47. Rxd2 dxe4 48. fxe4 Rad8 0-1

