[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.11"]
[Round "9"]
[White "Preuss, Maximiliano"]
[Black "Spata, German"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2186"]
[BlackElo "2280"]
[PlyCount "55"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 d5 8. exd6 Qxd6 9. Qf3 Nf6 10. Bf4 Qd7 11. Rd1 Qb7 12. Bc4 Be7 13. Be5 0-0 14. 0-0 c5 15. Qh3 Bd7 16. Bd3 g6 17. Rfe1 Rfd8 18. Re3 Bc6 19. Rde1 Nh5 20. g4 Ng7 21. Qh6 f6 22. Rh3 Rxd3 23. cxd3 fxe5 24. Qxh7+ Kf7 25. Rh6 Rg8 26. Ne4 Bxe4 27. dxe4 Kf8 28. Rxg6 1-0

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.10"]
[Round "8"]
[White "Sanhueza, Cristian"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2208"]
[BlackElo "2186"]
[PlyCount "101"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 e6 6. 0-0 Be7 7. Re1 b6 8. Bf1 Bb7 9. Nbd2 0-0 10. d4 d5 11. e5 Ne4 12. Bd3 f5 13. exf6 Ndxf6 14. Ne5 cxd4 15. cxd4 Nd7 16. Nxd7 Qxd7 17. Nxe4 dxe4 18. Bxe4 Rad8 19. Bxb7 Qxb7 20. Qg4 Rf5 21. Rxe6 Rdf8 22. Be3 Bd8 23. Re8 Qd5 24. Qe4 Rxe8 25. Qxe8+ Rf8 26. Qa4 Qf5 27. Rc1 a5 28. Qc4+ Kh8 29. b3 Be7 30. Qc2 Qh5 31. h3 Ba3 32. Re1 h6 33. Qc6 Bb4 34. Rc1 Qe2 35. Qc2 Qh5 36. Qd3 Qd5 37. Qc4 Qf5 38. d5 Bd2 39. Rf1 Rc8 40. Qg4 Qxg4 41. hxg4 Rc2 42. Rd1 Bxe3 43. fxe3 Kg8 44. d6 Rc8 45. Kf2 Kf7 46. Kf3 Ke6 47. d7 Rd8 48. Ke4 g6 49. a4 Kf6 50. Rd6+ Kg5 51. Kd5 1-0

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.09"]
[Round "6"]
[White "Ciurlanti, Federico"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2140"]
[BlackElo "2186"]
[PlyCount "35"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. e4 Qxb2 8. Nd2 Qxc3 9. Bc7 d6 10. Rb1 Qe3+ 11. Ne2 g6 12. Nc4 Qh6 13. Qa4+ Bd7 14. Qa5 Na6 15. Rxb7 Nxc7 16. Qxc7 Bc8 17. Nxd6+ exd6 18. Qxf7+ 1-0

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.09"]
[Round "7"]
[White "Preuss, Maximiliano"]
[Black "Paternoste, Martin"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2186"]
[BlackElo "2052"]
[PlyCount "25"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. f4 h6 6. Bh4 a6 7. Nf3 Bg4 8. Bd3 Nc6 9. d5 Nd4 10. Bf2 c5 11. dxc6 Bxf3 12. gxf3 Nxc6 13. Qd2 1/2-1/2

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.08"]
[Round "4"]
[White "Fell, Sebastian"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2201"]
[BlackElo "2186"]
[PlyCount "94"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bd3 0-0 6. 0-0 Nbd7 7. Re1 e5 8. c3 c6 9. a4 Qc7 10. b3 Re8 11. Ba3 exd4 12. cxd4 c5 13. Rc1 b6 14. Bb2 Bb7 15. d5 Re7 16. Nc4 Rae8 17. Qc2 Ng4 18. Rcd1 Bxb2 19. Qxb2 f6 20. Ncd2 a6 21. Nf1 Nge5 22. Nxe5 Nxe5 23. Ng3 f5 24. Qd2 f4 25. Qxf4 Rf7 26. Qd2 Ref8 27. Rf1 Qe7 28. f4 Nxd3 29. Qxd3 Rxf4 30. Rxf4 Rxf4 31. Rf1 Qf6 32. Rxf4 Qxf4 33. Ne2 Qh4 34. h3 Qf6 35. Nc3 Bc8 36. Nd1 Kg7 37. Nf2 h5 38. Qe2 Qc3 39. Qd3 Qxd3 40. Nxd3 b5 41. axb5 axb5 42. Kf2 Kf6 43. Ke3 b4 44. e5+ Ke7 45. e6 Bb7 46. Ke4 g5 47. h4 gxh4 0-1

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.08"]
[Round "5"]
[White "Preuss, Maximiliano"]
[Black "Uelf, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2186"]
[BlackElo "2140"]
[PlyCount "38"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 Nf6 4. Qe2 e6 5. Nf3 d5 6. e5 Ne4 7. 0-0 c5 8. c3 Be7 9. Nbd2 Nxd2 10. Bxd2 Nc6 11. a3 c4 12. Bc2 b5 13. Ne1 h5 14. f4 g6 15. Nf3 a5 16. Ng5 b4 17. Qf3 Bxg5 18. fxg5 Qe7 19. Qh3 0-0-0 1/2-1/2

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.07"]
[Round "3"]
[White "Preuss, Maximiliano"]
[Black "Perez, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2186"]
[BlackElo "2227"]
[PlyCount "89"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 d5 6. e5 h5 7. Bd3 Nh6 8. Be3 Bf5 9. Be2 Qb6 10. Na4 Qa5+ 11. c3 Nd7 12. b4 Qc7 13. h3 e6 14. Ng5 h4 15. Bf3 f6 16. exf6 Bxf6 17. 0-0 Nf7 18. Qe2 Nd6 19. Nc5 Nf8 20. Bg4 Qe7 21. a4 b6 22. Na6 Rc8 23. Bxf5 Nxf5 24. Rfe1 Nxe3 25. Qxe3 Bxg5 26. fxg5 Rh5 27. Rf1 Rxg5 28. a5 Rf5 29. axb6 axb6 30. Rxf5 exf5 31. Qh6 Kf7 32. b5 c5 33. dxc5 bxc5 34. b6 Qb7 35. Nc7 Qxb6 36. Nxd5 Qb7 37. c4 Ra8 38. Re1 Qb2 39. Re7+ Kg8 40. Kh2 Qd4 41. Qg5 Ra6 42. Re8 Re6 43. Rxe6 Nxe6 44. Qxg6+ Ng7 45. Qf6 1/2-1/2

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.06"]
[Round "2"]
[White "Avila, Lucas"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2197"]
[BlackElo "2186"]
[PlyCount "44"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. 0-0 Nf6 7. Nc3 g6 8. d3 Bg7 9. Rb1 0-0 10. a3 Ng4 11. Nd5 e6 12. Ne3 Nge5 13. b4 Nxf3+ 14. Qxf3 f5 15. Bb2 fxe4 16. Qxe4 Nd4 17. Bxd4 cxd4 18. Nc2 e5 19. b5 d5 20. Qxd5+ Qxd5 21. cxd5 Rfd8 22. Nb4 Bf8 1/2-1/2

[Event "Buenos Aires-B"]
[Site "Buenos Aires"]
[Date "2012.02.06"]
[Round "1"]
[White "Caceres Recalde, Fernando"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2164"]
[BlackElo "2186"]
[PlyCount "62"]
[EventDate "2012.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Nc6 7. Nde2 Bg7 8. Bg2 0-0 9. 0-0 Rb8 10. a4 a6 11. Nd5 b5 12. axb5 axb5 13. c3 b4 14. Be3 Ng4 15. Bd4 e5 16. Be3 bxc3 17. bxc3 Nxe3 18. Nxe3 Ne7 19. Qd3 f5 20. Nd5 Kh8 21. Rfb1 Bb7 22. exf5 Bxd5 23. Bxd5 Rxb1+ 24. Rxb1 gxf5 25. Bg2 d5 26. Rd1 e4 27. Qb5 Qc7 28. Nf4 Qxc3 29. Nxd5 Nxd5 30. Qxd5 e3 31. fxe3 Qxe3+ 1/2-1/2

[Event "Buenos Aires Benko Memorial op"]
[Site "Buenos Aires"]
[Date "2010.02.25"]
[Round "8"]
[White "Preuss, Maximiliano"]
[Black "Obregon, Carlos Andres"]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2114"]
[BlackElo "2406"]
[PlyCount "82"]
[EventDate "2010.02.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nc6 7. Be3 Nf6 8. 0-0 d6 9. a4 Be7 10. f4 0-0 11. Kh1 Bd7 12. Nb3 Na5 13. e5 Ne8 14. Nxa5 Qxa5 15. Qd2 Qc7 16. a5 dxe5 17. fxe5 Bc6 18. Bd4 Qd7 19. Qe3 Nc7 20. Ne4 Bxe4 21. Qxe4 Qd5 22. Bd3 g6 23. c4 Qd7 24. Bc3 Rab8 25. Rf3 Ne8 26. Raf1 Rd8 27. Qe3 Qc6 28. Qh6 Rxd3 29. Rxd3 Qxc4 30. Rfd1 Ng7 31. Rh3 Nh5 32. Rdd3 Qa4 33. Rhe3 Qg4 34. h3 Qh4 35. Kh2 Bg5 36. Be1 Qf4+ 37. g3 Qf5 38. Rf3 Qxe5 39. Qxf8+ Kxf8 40. Bc3 Qe2+ 41. Kg1 e5 0-1

[Event "Buenos Aires Benko Memorial op"]
[Site "Buenos Aires"]
[Date "2010.02.24"]
[Round "7"]
[White "Preuss, Maximiliano"]
[Black "Seidler, Aldo Emilio"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2114"]
[BlackElo "2330"]
[PlyCount "45"]
[EventDate "2010.02.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 g6 6. h4 Nf6 7. h5 gxh5 8. Be2 Bg7 9. Bxh5+ Kf8 10. Nf3 Nxh5 11. Rxh5 Nd7 12. Bh6 Rg8 13. Qd2 Nf6 14. Rh4 Bd7 15. 0-0-0 Rc8 16. g4 Bxh6 17. Qxh6+ Rg7 18. g5 Ne8 19. Ne5 Kg8 20. Rdh1 Nf6 21. gxf6 exf6 22. Qxg7+ Kxg7 23. Rxh7+ 1-0

[Event "Buenos Aires Benko Memorial op"]
[Site "Buenos Aires"]
[Date "2010.02.11"]
[Round "2"]
[White "Liascovich, Lucas Agustin"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2440"]
[BlackElo "2114"]
[PlyCount "79"]
[EventDate "2010.02.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 135 Extra"]
[Source "ChessBase"]
[SourceDate "2010.05.04"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. d5 Bxf3 9. Bxf3 Ne5 10. Be2 e6 11. f4 Ned7 12. dxe6 fxe6 13. a4 Qe7 14. a5 a6 15. Kh1 Rad8 16. Qe1 c5 17. Bf3 Nb8 18. Na4 Nfd7 19. Rd1 Nc6 20. Bg4 Nf6 21. Bf3 Nd7 22. h4 e5 23. f5 gxf5 24. exf5 Kh8 25. g4 e4 26. Bg2 Bd4 27. g5 d5 28. f6 Qf7 29. Bf4 Be5 30. c4 Bxf4 31. Rxf4 Nde5 32. cxd5 Nd3 33. Qxe4 Nxf4 34. Qxf4 Nd4 35. Nxc5 Nb5 36. Ne6 Rc8 37. Nxf8 Rxf8 38. Re1 Re8 39. Rxe8+ Qxe8 40. f7 1-0

[Event "ARG-chT"]
[Site "Buenos Aires"]
[Date "2009.06.19"]
[Round "8"]
[White "Quenallata, Luciano"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2122"]
[BlackElo "2114"]
[PlyCount "52"]
[EventDate "2009.05.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 Nc6 6. 0-0 d5 7. Rb1 a5 8. a3 e5 9. b4 axb4 10. axb4 Bf5 11. d3 Qd7 12. b5 Ne7 13. Ng5 h6 14. Nge4 Nh5 15. Nxd5 Nxd5 16. cxd5 Bh3 17. Bxh3 Qxh3 18. b6 f5 19. Nd2 cxb6 20. Rxb6 Nf6 21. Re1 Ng4 22. Nf1 f4 23. gxf4 exf4 24. Bb2 Rf5 25. Qc1 Rg5 26. Qxf4 Rf8 0-1

[Event "ARG-chT"]
[Site "Buenos Aires"]
[Date "2009.05.30"]
[Round "5"]
[White "Preuss, Maximiliano"]
[Black "Gimenez, Santiago"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2114"]
[BlackElo "2112"]
[PlyCount "84"]
[EventDate "2009.05.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 Nfd7 12. Ne4 h6 13. Bb5 hxg5 14. 0-0 axb5 15. Nxb5 Bc5+ 16. Kh1 Qe3 17. Nbd6+ Kf8 18. Rxf7+ Kg8 19. Nxc5 Qxd2 20. Nxe6 Rh7 21. Rbf1 Qxd6 22. exd6 Rh6 23. Rxg7+ Kh8 24. Re7 Nf6 25. Nxg5 Kg8 26. Nf7 Rg6 27. Ne5 Rh6 28. Nf3 Rg6 29. Ne5 Rh6 30. g4 Bxg4 31. Rg1 Rh4 32. d7 Nc6 33. Nxg4 Nxe7 34. Nxf6+ Kf7 35. Ne8 Nc6 36. Nd6+ Ke6 37. Nc8 Rh8 38. Re1+ Ne5 39. Nb6 Rad8 40. Nc4 Rh5 41. Nb6 Kd6 42. Rd1+ Kc6 0-1

[Event "ARG-chT"]
[Site "Buenos Aires"]
[Date "2009.05.23"]
[Round "4"]
[White "Gabancho, Rodrigo"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "D93"]
[BlackElo "2114"]
[PlyCount "88"]
[EventDate "2009.05.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 0-0 6. e3 c5 7. a3 cxd4 8. exd4 Nc6 9. Be2 Bg4 10. c5 Ne4 11. Be3 Qa5 12. Qa4 Qxa4 13. Nxa4 Bxf3 14. gxf3 Nf6 15. f4 Nd7 16. Rd1 Rfd8 17. Nc3 Nxc5 18. dxc5 d4 19. Na4 dxe3 20. fxe3 Rxd1+ 21. Kxd1 e5 22. Bf3 exf4 23. Bxc6 bxc6 24. exf4 Rd8+ 25. Kc2 Rd4 26. Nc3 Rxf4 27. Rd1 h5 28. Rd8+ Kh7 29. Rd7 Bf8 30. Rxa7 Bxc5 31. Rc7 Bd6 32. Rxc6 Rf2+ 33. Kb3 Bxh2 34. a4 h4 35. Ne4 Rf3+ 36. Kc4 Kh6 37. a5 Be5 38. Kd5 Bxb2 39. Rc2 Rf5+ 40. Kc6 Bd4 41. Rc4 Ba7 42. a6 Rf4 43. Kd5 f5 44. Rc7 Rxe4 0-1

[Event "ARG-chT"]
[Site "Buenos Aires"]
[Date "2009.05.16"]
[Round "3"]
[White "Goldwaser, Christian"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "E93"]
[WhiteElo "2356"]
[BlackElo "2114"]
[PlyCount "48"]
[EventDate "2009.05.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4 g4 12. Nd2 Nxg3 13. fxg3 h5 14. 0-0 f5 15. exf5 Nc5 16. b4 e4 17. Rc1 Nd3 18. Bxd3 exd3 19. Nde4 Bxf5 20. Qd2 Qe7 21. Rce1 Bxe4 22. Rxf8+ Rxf8 23. Nxe4 Bd4+ 24. Nf2 Rxf2 0-1

[Event "ARG-chT"]
[Site "Buenos Aires"]
[Date "2009.05.09"]
[Round "2"]
[White "Schweber, Samuel"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "2349"]
[BlackElo "2114"]
[PlyCount "65"]
[EventDate "2009.05.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nf3 Bg7 8. Bc4 0-0 9. 0-0 b5 10. Bd3 b4 11. Na4 Qa5 12. b3 Ng4 13. Rb1 Nd4 14. h3 Nxf3+ 15. Qxf3 Bd4+ 16. Kh1 Qh5 17. Bb2 Bxb2 18. Nxb2 Nf6 19. Qxh5 Nxh5 20. Kh2 f5 21. exf5 gxf5 22. Rbe1 Kf7 23. Nc4 Rg8 24. Ne3 e6 25. g4 fxg4 26. hxg4 Nf6 27. g5 Nd7 28. Ng4 Kg7 29. Nh6 Re8 30. Nf5+ Kh8 31. Nxd6 Re7 32. f5 Nc5 33. f6 1-0

[Event "ARG-chT"]
[Site "Buenos Aires"]
[Date "2009.05.02"]
[Round "1"]
[White "Goncalves, Claudio Javier"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1842"]
[BlackElo "2114"]
[PlyCount "18"]
[EventDate "2009.05.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. e4 g4 6. e5 gxf3 7. exd6 Qh4+ 8. g3 Qe4+ 9. Kf2 Qd4+ 0-1

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.22"]
[Round "9"]
[White "Bianchi, Lucas"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "E84"]
[WhiteElo "2098"]
[BlackElo "2114"]
[PlyCount "56"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 Rb8 8. Qd2 a6 9. Nc1 e5 10. d5 Nd4 11. Nb3 c5 12. dxc6 bxc6 13. Nxd4 exd4 14. Bxd4 Re8 15. Be2 d5 16. cxd5 Rb4 17. Bc5 Nxe4 18. fxe4 Bxc3 19. Qxc3 Rbxe4 20. 0-0 Rxe2 21. dxc6 Qd5 22. Bf2 R8e3 23. Qxe3 Rxe3 24. Bxe3 Qxc6 25. Rac1 Qe8 26. Bg5 Bb7 27. Bf6 Qe3+ 28. Kh1 Qd2 0-1

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.22"]
[Round "8"]
[White "Preuss, Maximiliano"]
[Black "De Cesares, Ricardo"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2114"]
[BlackElo "2045"]
[PlyCount "67"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bb7 10. Nbd2 h6 11. Nf1 Re8 12. Ng3 Bf8 13. a4 Qd7 14. Bc2 g6 15. axb5 axb5 16. Rxa8 Rxa8 17. Bd2 Re8 18. Bd3 Na5 19. Qe2 exd4 20. cxd4 Nc4 21. Bc3 d5 22. e5 b4 23. b3 Na3 24. Bd2 c6 25. Qd1 Nh7 26. Qc1 c5 27. dxc5 Rc8 28. Bxb4 Nb5 29. e6 fxe6 30. Ne5 Qe8 31. Bxg6 Qe7 32. Bf7+ Kg7 33. Nh5+ Kh8 34. Ng6# 1-0

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.20"]
[Round "7"]
[White "Preuss, Maximiliano"]
[Black "Sapienza, Julian"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2114"]
[BlackElo "2169"]
[PlyCount "90"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[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. Nc3 c5 3. dxc5 Na6 4. e4 e5 5. Nf3 Nxc5 6. Nxe5 Ncxe4 7. Nxe4 Qa5+ 8. Nc3 Qxe5+ 9. Be2 Bb4 10. 0-0 0-0 11. Be3 Bc5 12. Bxc5 Qxc5 13. Bf3 a5 14. Qd3 Ra6 15. a4 Rb6 16. Nb5 d5 17. Ra3 Bd7 18. Rb3 Re8 19. Rd1 Ng4 20. Nd4 Ne5 21. Qc3 Nxf3+ 22. Nxf3 Qxc3 23. bxc3 Rg6 24. Rxb7 Bxa4 25. Nd4 h5 26. h4 Re4 27. Ra1 Bc6 28. Rc7 Be8 29. Rxa5 Rb6 30. g3 Re5 31. Ra8 Kh7 32. Nf3 Re2 33. Kf1 Bb5 34. c4 Rxc2 35. Rxf7 Bxc4+ 36. Kg2 d4 37. Rf5 g6 38. Ng5+ Kg7 39. Ra7+ Kg8 40. Ra8+ Kg7 41. Ra7+ Kg8 42. Re5 Re2 43. Rc5 Rf6 44. Rc8+ Rf8 45. Rxc4 Rfxf2+ 1/2-1/2

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.18"]
[Round "6"]
[White "Conde, Adrian"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2067"]
[BlackElo "2114"]
[PlyCount "34"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. d4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. Nce5 Bd5 10. Nxc6 Bxc6 11. Bd2 Bxf3 12. Bxf3 Qxd4 13. Bxb7 Rad8 14. Bc3 Qb6 15. Qb3 Rd6 16. Qxb6 cxb6 17. Rfd1 Rfd8 1/2-1/2

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.17"]
[Round "5"]
[White "Preuss, Maximiliano"]
[Black "Restuccia, Francisco"]
[Result "1/2-1/2"]
[ECO "B97"]
[WhiteElo "2114"]
[BlackElo "2114"]
[PlyCount "101"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Qxd4 Qxd4 11. Rxd4 Be7 12. Be2 b5 13. Bf3 Bb7 14. e5 Bxf3 15. gxf3 dxe5 16. fxe5 Nd5 17. Nxd5 Bxg5+ 18. f4 Bd8 19. Nc3 Bb6 20. Rd3 Rd8 21. Rhd1 Rxd3 22. Rxd3 Ke7 23. Kd2 f6 24. Rd6 Rd8 25. Nd5+ exd5 26. Rxb6 fxe5 27. fxe5 Rf8 28. Ke3 g5 29. Rxa6 Rf4 30. Rh6 Re4+ 31. Kd3 g4 32. Rxh7+ Ke6 33. Rh5 Rf4 34. Rg5 Re4 35. c3 Rf4 36. Ke3 Re4+ 37. Kf2 b4 38. cxb4 Rxb4 39. b3 Re4 40. Kg3 Re2 41. Rxg4 Rxa2 42. h4 Kxe5 43. h5 Ra3 44. Rb4 Ra6 45. Ra4 Rb6 46. b4 d4 47. Kf3 Rf6+ 48. Ke2 Ke4 49. Ra3 Rb6 50. Rb3 Rb5 51. Rh3 1/2-1/2

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.16"]
[Round "4"]
[White "Pagano, Marcelo"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2049"]
[BlackElo "2114"]
[PlyCount "144"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Be3 Nf6 10. h3 0-0 11. 0-0 Rac8 12. b3 a6 13. Nxc6 Rxc6 14. Rc1 b5 15. cxb5 axb5 16. Qd3 b4 17. Nd5 Nxd5 18. exd5 Rxc1 19. Rxc1 Ra8 20. Bd4 Qf5 21. Qc4 Bxd4 22. Qxd4 Rxa2 23. g4 Qe5 24. Rc4 Ra5 25. Qxe5 dxe5 26. Rxb4 Rxd5 27. Rb7 Kf8 28. Kg2 h5 29. Kg3 Rd3+ 30. Kg2 hxg4 31. hxg4 Ke8 32. f3 g5 33. Kf2 Kd8 34. b4 f6 35. Rb8+ Kc7 36. Re8 Kd7 37. Rb8 Kc7 38. Re8 Rd7 39. Ke3 Kc6 40. Ke4 Rd4+ 41. Ke3 Rd7 42. Ke4 Rb7 43. Rc8+ Kd7 44. Rc4 Kd6 45. Kf5 Kd5 46. Re4 Rc7 47. Re3 Rc4 48. Rb3 Rf4+ 49. Kg6 Kc4 50. Rb1 Kb5 51. Kf7 Rxf3 52. Kxe7 e4 53. Ke6 e3 54. Re1 Kxb4 55. Kd5 Rg3 56. Ke4 Rxg4+ 57. Kxe3 Rf4 58. Rc1 f5 59. Rc8 Rc4 60. Rg8 f4+ 61. Kf3 Rc3+ 62. Ke4 Rg3 63. Rc8 f3 64. Ke3 g4 65. Rc2 Kb3 66. Rh2 Rg1 67. Kf2 Rc1 68. Kg3 Rc2 69. Rh1 Rg2+ 70. Kf4 f2 71. Rf1 g3 72. Kf3 Rg1 0-1

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.15"]
[Round "2"]
[White "Lo Presti, Roberto"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B79"]
[WhiteElo "2118"]
[BlackElo "2114"]
[PlyCount "50"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Qa5 11. Bb3 Rfc8 12. g4 Ne5 13. h4 Nc4 14. Bxc4 Rxc4 15. Nb3 Qc7 16. h5 Rc8 17. hxg6 hxg6 18. Kb1 Bxg4 19. Bh6 Bh8 20. Bg5 Rxc3 21. Rxh8+ Kxh8 22. Bxf6+ exf6 23. Qh6+ Kg8 24. fxg4 Rxb3 25. Rh1 Qxc2+ 0-1

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.15"]
[Round "3"]
[White "Preuss, Maximiliano"]
[Black "Paternoste, Martin"]
[Result "1/2-1/2"]
[ECO "B98"]
[WhiteElo "2114"]
[BlackElo "2041"]
[PlyCount "49"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nc6 9. Nb3 Qc7 10. Bd3 b5 11. 0-0 Bb7 12. Rae1 0-0 13. Qh3 Nb4 14. e5 Nxd3 15. cxd3 Nd5 16. Ne4 dxe5 17. Bxe7 Nxe7 18. fxe5 Bxe4 19. Rxe4 a5 20. d4 Qc2 21. Nc5 Nf5 22. Qc3 Qxc3 23. bxc3 b4 24. g4 Ne7 25. c4 1/2-1/2

[Event "Willy Kipper Memorial"]
[Site "Buenos Aires"]
[Date "2009.03.14"]
[Round "1"]
[White "Preuss, Maximiliano"]
[Black "Koch, Juan Enrique"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2114"]
[BlackElo "2052"]
[PlyCount "62"]
[EventDate "2009.03.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Be7 10. Be3 0-0 11. f3 Nc5 12. Nd2 Ne6 13. N2b3 f6 14. Nxe6 Bxe6 15. Nc5 Qc8 16. exf6 Bxf6 17. Bd4 Bf5 18. Re1 Bxc2 19. Qd2 Bf5 20. Bxf6 Rxf6 21. Re7 Qf8 22. Rae1 Be4 23. Nxe4 Qxe7 24. Nxf6+ Qxf6 25. Qb4 Qd6 26. Qb7 Rd8 27. Qxa7 d4 28. Qa4 Qc5 29. Qb3+ Qd5 30. Qxd5+ Rxd5 31. Kf2 Kf7 1/2-1/2

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2009.01.06"]
[Round "9"]
[White "Godoy, Carlos"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2199"]
[BlackElo "2114"]
[PlyCount "41"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. Nf3 0-0 8. e4 Bg4 9. d5 f5 10. h3 fxe4 11. Nxe4 Bf5 12. Nfg5 c6 13. d6 exd6 14. Qxd6 h6 15. g4 hxg5 16. gxf5 gxf5 17. Qe6+ Rf7 18. Nxg5 Qe7 19. 0-0 Qxe6 20. Nxe6 Bf6 21. Bf4 1/2-1/2

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2009.01.03"]
[Round "8"]
[White "Preuss, Maximiliano"]
[Black "De Picciotto, Marcelo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2114"]
[BlackElo "2070"]
[PlyCount "70"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Nc3 e5 4. Bb5 dxe4 5. d5 a6 6. Ba4 b5 7. Nxb5 axb5 8. Bxb5 Nge7 9. dxc6 Qxd1+ 10. Kxd1 Nf5 11. c3 Be6 12. a4 Nd6 13. Be2 Rxa4 14. Rxa4 Bb3+ 15. Ke1 Bxa4 16. Be3 Bxc6 17. Kd2 f5 18. f3 f4 19. Ba7 e3+ 20. Kc2 g5 21. Nh3 Be7 22. Ra1 Kd7 23. Bc5 Rg8 24. b4 g4 25. fxg4 Bxg2 26. Ng1 Ra8 27. Ra5 Be4+ 28. Kc1 Rf8 29. Bf3 Bd3 30. Bd5 e4 31. Nh3 Bd8 32. b5 Bh4 33. Bc6+ Ke6 34. Nxf4+ Rxf4 35. Bxe3 Rf1+ 0-1

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2009.01.02"]
[Round "7"]
[White "Koch, Juan Enrique"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2037"]
[BlackElo "2114"]
[PlyCount "64"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 c4 8. Bc2 Qxd6 9. 0-0 Bg4 10. d4 cxd3 11. Qxd3 Qxd3 12. Bxd3 Bxf3 13. gxf3 0-0-0 14. Be4 e6 15. Be3 Nc4 16. b4 N6e5 17. f4 Ng4 18. Bc5 Bd6 19. h3 Nf6 20. Bd3 Bxc5 21. Bxc4 Bb6 22. f5 exf5 23. Bxf7 Rd6 24. c4 Bd4 25. Na3 Bxa1 26. Rxa1 Rf8 27. Nb5 Rb6 28. c5 Rxb5 29. Be6+ Kc7 30. Rb1 a5 31. a3 axb4 32. axb4 Ne4 0-1

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2008.12.30"]
[Round "6"]
[White "Preuss, Maximiliano"]
[Black "Sapienza, Julian"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2114"]
[BlackElo "2169"]
[PlyCount "110"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. d4 d6 9. c3 Bg4 10. d5 Na5 11. h3 Bxf3 12. Qxf3 Nxb3 13. axb3 Nd7 14. Nd2 Bg5 15. Nf1 Bxc1 16. Raxc1 Qg5 17. Ne3 Nc5 18. Nf5 Qf4 19. Qe2 Nxb3 20. Rcd1 g6 21. g3 Qg5 22. h4 Qd8 23. Nh6+ Kg7 24. Ng4 h5 25. Ne3 Nc5 26. Qc2 a5 27. b4 Nd7 28. Qe2 Nf6 29. f3 Qd7 30. c4 bxc4 31. bxa5 Rxa5 32. Qd2 c3 33. Qxc3 Rfa8 34. Ra1 Ra2 35. Rxa2 Rxa2 36. Ra1 Rxa1+ 37. Qxa1 Qb5 38. Qc1 Qc5 39. Qxc5 dxc5 40. Kf2 Ne8 41. Ke2 Nd6 42. Kd3 f5 43. Nc4 Kf6 44. Nd2 f4 45. g4 hxg4 46. fxg4 g5 47. h5 Ke7 48. Nf3 c4+ 49. Kc3 Nxe4+ 50. Kxc4 Nd6+ 51. Kc5 e4 52. Nxg5 f3 53. h6 f2 54. h7 f1Q 55. h8Q Qc4# 0-1

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2008.12.27"]
[Round "5"]
[White "Tomeo, Ivan"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2095"]
[BlackElo "2114"]
[PlyCount "70"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 g6 2. g3 Nf6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. Re1 Nbd7 7. e4 e5 8. dxe5 dxe5 9. Nc3 c6 10. b3 Qa5 11. Bb2 Re8 12. Nd2 Nf8 13. Nc4 Qc7 14. f4 Rd8 15. Qf3 Ng4 16. f5 b5 17. Qxg4 bxc4 18. Rad1 Rd4 19. Qf3 Ba6 20. bxc4 Rxc4 21. Kh1 Rb8 22. Ba1 Rd4 23. Ne2 Rxd1 24. Rxd1 Qa5 25. Nc3 Bc4 26. Bf1 Bxa2 27. Qd3 Rb4 28. Qd6 Rd4 29. Rxd4 exd4 30. Nxa2 Qxa2 31. Bxd4 Qxc2 32. f6 Qxe4+ 33. Kg1 Bh6 34. Kf2 a5 35. Ba1 Be3+ 0-1

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2008.12.26"]
[Round "4"]
[White "Preuss, Maximiliano"]
[Black "Tomeo, Nicolas"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2114"]
[BlackElo "2043"]
[PlyCount "68"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. c4 Bf5 9. Re1 Nb4 10. Bf1 dxc4 11. Bxc4 0-0 12. a3 Nd6 13. axb4 Nxc4 14. Qe2 Be6 15. Nc3 Nb6 16. Ra5 Bxb4 17. Re5 Bc4 18. Qe4 f6 19. Rh5 g6 20. Rh6 Rf7 21. Qh4 Bf8 22. Ne4 Bxh6 23. Bxh6 Nd5 24. Rc1 Be2 25. Ne1 Qe7 26. Rc5 c6 27. f3 Bb5 28. Qg3 Re8 29. Bd2 f5 30. Nd6 Qe2 31. Rxb5 Qxd2 32. Nxe8 Re7 33. Nf6+ Nxf6 34. Re5 Qxd4+ 0-1

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2008.12.23"]
[Round "3"]
[White "Barrionuevo, Pablo"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2341"]
[BlackElo "2114"]
[PlyCount "119"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. Be3 exd4 8. Nxd4 Re8 9. f3 c6 10. Bf2 d5 11. exd5 cxd5 12. c5 Nc6 13. 0-0 Be6 14. Qd2 Nh5 15. Rfd1 Be5 16. g3 Qb8 17. Bb5 Bd7 18. Bf1 Nf4 19. Kh1 Bxd4 20. Bxd4 Nxd4 21. Qxd4 Ne6 22. Qh4 Qd8 23. Nxd5 Qxh4 24. gxh4 Bc6 25. Nf6+ Kh8 26. Nxe8 Rxe8 27. Bg2 Nxc5 28. Re1 Rd8 29. Rad1 Nd3 30. Kg1 Nxe1 31. Rxd8+ Kg7 32. Kf2 Nxg2 33. Kxg2 h5 34. Kg3 Kf6 35. Kf4 a6 36. Rd3 a5 37. b3 Ke6 38. Kg5 a4 39. bxa4 Bxa4 40. Re3+ Kd5 41. Kf6 b5 42. Kxf7 Bc2 43. Re2 Bf5 44. Rb2 Kc4 45. a3 Bd3 46. Kf6 Kc3 47. Rb4 Kc2 48. f4 Kc3 49. h3 Kc2 50. Rd4 Bc4 51. Kxg6 Kb3 52. f5 Kxa3 53. Rxc4 bxc4 54. f6 c3 55. f7 c2 56. f8Q+ Kb2 57. Qb4+ Ka2 58. Qa4+ Kb2 59. Qxc2+ Kxc2 60. Kxh5 1-0

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2008.12.20"]
[Round "2"]
[White "Preuss, Maximiliano"]
[Black "Pagano, Marcelo"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2114"]
[BlackElo "2049"]
[PlyCount "57"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3 Be7 11. b3 b6 12. Bb2 Be6 13. h3 Rd8 14. g4 Nh4 15. Rxd8+ Kxd8 16. Nd4 Bd7 17. Rd1 Kc8 18. Rd3 h5 19. Rg3 hxg4 20. hxg4 Ng6 21. Nf5 Bxf5 22. gxf5 Nxe5 23. f4 Nd7 24. Rxg7 Bf6 25. Rxf7 Rh4 26. Nd1 Rxf4 27. Rxf6 Nxf6 28. Bxf6 Rxf5 29. Bb2 1/2-1/2

[Event "Merlo IRT 5th"]
[Site "Merlo"]
[Date "2008.12.19"]
[Round "1"]
[White "Preuss, Maximiliano"]
[Black "Menon, Daniel"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2114"]
[BlackElo "2186"]
[PlyCount "32"]
[EventDate "2008.12.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Nf3 c4 9. Qb1 Nc6 10. h4 Nge7 11. h5 h6 12. g3 b6 13. Bh3 Bd7 14. 0-0 0-0-0 15. Nh4 g5 16. Ng2 Rdf8 1/2-1/2

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.15"]
[Round "9"]
[White "Preuss, Maximiliano"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "2146"]
[PlyCount "37"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. Bh3 Bd7 17. Qh5 b4 18. Nxe6 Bxe6 19. Nd5 1/2-1/2

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.14"]
[Round "8"]
[White "Bernal, Lucas"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "1939"]
[BlackElo "2146"]
[PlyCount "72"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. Qc2 Nc6 7. Nbd2 Bf5 8. Qb3 dxc4 9. Qxb7 Nxd4 10. Nxd4 Qxd4 11. Qb4 Ng4 12. 0-0 c3 13. Qxc3 Qxc3 14. bxc3 Bxc3 15. Bxa8 Rxa8 16. Rb1 Bxb1 17. Nxb1 Bd4 18. h3 Nf6 19. Ba3 Ne4 20. Kg2 Nd6 21. Rc1 Rb8 22. Nd2 Nb5 23. Bc5 Rd8 24. Nb3 Bf6 25. Bb4 Rc8 26. Na5 Kf8 27. e3 Bb2 28. Rc5 Nd6 29. Nc6 Ra8 30. Ra5 a6 31. Be1 Nc4 32. Rc5 Nb6 33. Nb4 Ba3 34. Rxc7 Bxb4 35. Bxb4 Nd5 36. Rb7 Nxb4 1/2-1/2

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.13"]
[Round "7"]
[White "Preuss, Maximiliano"]
[Black "Navarro, Karina"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2146"]
[BlackElo "1966"]
[PlyCount "109"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 e6 7. 0-0 Ne8 8. f5 exf5 9. exf5 Nc6 10. Ne2 Nb4 11. fxg6 hxg6 12. Bc4 d5 13. Bb3 Nf6 14. c3 Na6 15. Bg5 c6 16. Ne5 Qd6 17. Bf4 Qe7 18. Qd2 Ne4 19. Qe1 Nc7 20. Ng3 Nf6 21. Bc2 Ne6 22. Be3 Qd6 23. Qd2 Nd7 24. Ng4 Qe7 25. Nh6+ Kh8 26. Qf2 Qf6 27. Qe2 Qe7 28. Nhf5 Qd8 29. Nd6 Nf6 30. Nxc8 Rxc8 31. h4 Qd6 32. Rf3 Rce8 33. h5 Ng4 34. hxg6 Nxe3 35. gxf7 Re7 36. Ne4 dxe4 37. Rh3+ Bh6 38. Rxh6+ Kg7 39. Qxe3 Qf4 40. Qxf4 Nxf4 41. Rh4 Rfxf7 42. Re1 e3 43. g3 Nd5 44. Rh7+ Kg8 45. Rxf7 Kxf7 46. Bb3 Kg6 47. Bxd5 cxd5 48. Kg2 Kg5 49. Kf3 Rf7+ 50. Kxe3 Kg4 51. Kd3 Kxg3 52. Kc2 Rf2+ 53. Kb3 Rf7 54. Re5 Rd7 55. Kb4 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.11"]
[Round "6"]
[White "Gibson, Tomas"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "D94"]
[BlackElo "2146"]
[PlyCount "75"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. b4 a5 7. b5 c5 8. dxc5 dxc4 9. Ba3 Bf5 10. Qxd8 Rxd8 11. Rc1 Bd3 12. Ne5 Bxf1 13. Rxf1 Nbd7 14. Nxc4 Rdc8 15. Na4 Rc7 16. c6 bxc6 17. b6 Rb7 18. Bxe7 Nd5 19. Bc5 Nxc5 20. Nxc5 Rbb8 21. Na4 Nb4 22. Rd1 Nxa2 23. Rd3 Nb4 24. Rd7 Bf8 25. Ke2 Nd5 26. Rd1 Rd8 27. b7 Rab8 28. Rxd8 Rxd8 29. e4 Nf4+ 30. Kf3 Rb8 31. Rd7 Nh5 32. Nxa5 Nf6 33. Rc7 Bd6 34. Rc8+ Kg7 35. Rxb8 Bxb8 36. Nxc6 Nd7 37. Nb6 Nxb6 38. Nxb8 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.10"]
[Round "5"]
[White "Preuss, Maximiliano"]
[Black "Garcia, Ezequiel Alejandro"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2146"]
[BlackElo "1998"]
[PlyCount "53"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Be2 Qc7 7. Be3 Nf6 8. 0-0 Bb4 9. Re1 Bxc3 10. bxc3 Nxe4 11. Bd3 Nf6 12. Nf5 0-0 13. Nxg7 Kxg7 14. Bh6+ Kh8 15. Bxf8 Qf4 16. g3 Qg5 17. Bd6 b5 18. a4 Qd5 19. Bf1 Qf5 20. axb5 Nd8 21. Re5 Qg6 22. Bd3 Qg7 23. Ra4 Ne8 24. Rh5 f5 25. Rah4 Nf6 26. Be5 Nf7 27. Rxh7+ 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.08"]
[Round "4"]
[White "Hase, Juan Carlos"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2323"]
[BlackElo "2146"]
[PlyCount "69"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. h3 Bh5 7. d3 e6 8. Nbd2 Be7 9. Nf1 d5 10. Ng3 Bg6 11. Qe2 Qc7 12. 0-0 0-0 13. Nh4 Nd7 14. Nxg6 hxg6 15. f4 d4 16. c4 a6 17. Ba4 Rab8 18. Bxc6 bxc6 19. e5 Rb7 20. Ne4 Rfb8 21. Qc2 g5 22. fxg5 Nxe5 23. b3 Ng6 24. Qf2 Bf8 25. h4 a5 26. h5 Nh8 27. h6 Qe7 28. Ba3 Rb4 29. Bxb4 axb4 30. Qg3 Qa7 31. hxg7 Bxg7 32. Rae1 Ra8 33. Nf6+ Kf8 34. Qd6+ Qe7 35. Nh7+ 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.07"]
[Round "3"]
[White "Preuss, Maximiliano"]
[Black "Roh, Claudio"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2146"]
[BlackElo "2349"]
[PlyCount "30"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Ba4 e4 7. Re1 Be7 8. Ne5 0-0 9. Nc3 Bf6 10. Nxe4 Nxe4 11. Rxe4 Nxd4 12. Qxd4 d6 13. Bf4 Bf5 14. Ree1 dxe5 15. Qxd8 Raxd8 1/2-1/2

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.06"]
[Round "2"]
[White "Preuss, Maximiliano"]
[Black "Albarracin, Nicolas"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2146"]
[PlyCount "133"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. c3 f5 12. Bd3 Ne7 13. exf5 Nxd5 14. Be4 Nxc3 15. bxc3 Rb8 16. Nc2 Qc7 17. 0-0 Bb7 18. Bxb7 Rxb7 19. Qg4 f6 20. Nb4 a5 21. Nd5 Qf7 22. Rfd1 0-0 23. a4 Rc8 24. axb5 Rxb5 25. c4 Rbc5 26. Ne3 R8c6 27. Rab1 Qc7 28. Nd5 Qf7 29. Rb8+ Rc8 30. Rdb1 Kh8 31. h3 Qf8 32. Rxc8 Qxc8 33. Ne7 Qd8 34. Rb7 Rc7 35. Nc6 Qd7 36. Rb8+ Rc8 37. Rxc8+ Qxc8 38. Nxa5 Qc5 39. Nb7 Qb6 40. Qe4 Bh6 41. g4 Bg5 42. Qd5 Bh4 43. c5 Qb1+ 44. Kg2 Qc2 45. Qf3 dxc5 46. Nd6 Qa2 47. Ne4 c4 48. Nc3 Qb2 49. Qa8+ Kg7 50. Qa7+ Kh6 51. Ne4 Qd4 52. Qa6 Kg7 53. Qb7+ Kh6 54. Qa8 Qd7 55. Qf8+ Qg7 56. Qxg7+ Kxg7 57. Kf3 Kh6 58. Ke2 Kg7 59. Kd2 Kf7 60. Kc3 Ke7 61. Kxc4 Kd8 62. Kd5 Kd7 63. g5 fxg5 64. Kxe5 h5 65. f3 Ke7 66. f6+ Kf7 67. Kf5 1-0

[Event "Villa Ballester op 56th"]
[Site "Villa Ballester"]
[Date "2006.01.03"]
[Round "1"]
[White "Habib, Carlos"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B73"]
[BlackElo "2146"]
[PlyCount "106"]
[EventDate "2006.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 0-0 9. 0-0 Ng4 10. Bxg4 Bxg4 11. h3 Bd7 12. Rad1 Rc8 13. Rfe1 Ne5 14. b3 f5 15. exf5 gxf5 16. Nce2 Ng6 17. Bg5 f4 18. Bxf4 Nxf4 19. Nxf4 Rxf4 20. Ne6 Bxe6 21. Qxf4 Bf7 22. c4 b6 23. Re3 Qf8 24. Rf3 Bh5 25. Qxf8+ Rxf8 26. Rxf8+ Kxf8 27. g4 Bf7 28. f4 Ke8 29. Kf2 Kd7 30. Kf3 Kc6 31. Ke4 Kc5 32. Rd2 Kb4 33. h4 Ka3 34. Re2 e6 35. f5 exf5+ 36. gxf5 a5 37. h5 h6 38. f6 Bf8 39. Rh2 a4 40. Kd4 axb3 41. axb3 Kxb3 42. Rg2 Bxc4 43. Rg3+ Kb4 44. Rc3 b5 45. Rc1 Kb3 46. Ra1 d5 47. Ra8 Bb4 48. f7 Kc2 49. f8Q Bxf8 50. Rxf8 b4 51. Rf2+ Kc1 52. Rf6 b3 53. Rxh6 Be2 1/2-1/2

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.16"]
[Round "9"]
[White "Garcia, Ezequiel Alejandro"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "52"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 0-0 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. f3 Qa5 12. a3 Rfc8 13. h4 Rab8 14. g4 b5 15. h5 b4 16. Nb1 Qa4 17. hxg6 hxg6 18. Bd3 bxa3 19. Nxa3 Qxd4 20. c3 Qa4 21. Qh2 Rxc3+ 22. bxc3 Qxa3+ 23. Kd2 Rb2+ 24. Bc2 Nxe4+ 25. fxe4 Qxc3+ 26. Kc1 Rb1+ 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.15"]
[Round "8"]
[White "Preuss, Maximiliano"]
[Black "Bernal, Gustavo"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2161"]
[PlyCount "130"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. f3 Bb4 9. Qd2 d5 10. Bd3 0-0 11. 0-0-0 a5 12. a4 Ne5 13. Bd4 Bd7 14. Qg5 Nxd3+ 15. Rxd3 h6 16. Qh4 e5 17. Qg3 Rfe8 18. Nxd5 Nxd5 19. exd5 Rac8 20. Bc3 Bxc3 21. Rxc3 Qb6 22. Rxc8 Rxc8 23. Kb1 Bf5 24. Na1 Qd4 25. Rc1 Qxd5 26. Qf2 Rc4 27. b3 Rd4 28. g4 Be6 29. Rg1 Rxa4 30. bxa4 Qa2+ 31. Kc1 Qxa1+ 32. Kd2 Qxa4 33. Qe3 Qb4+ 34. Qc3 Qf4+ 35. Qe3 Qxh2+ 36. Kc3 b5 37. Ra1 a4 38. Qe4 Qf2 39. Kb4 Bc4 40. Rd1 Qh4 41. Qxe5 Qf6 42. Qxf6 gxf6 43. Rd4 f5 44. gxf5 Kg7 45. Rd6 h5 46. Kc3 a3 47. Kd4 h4 48. Ke3 h3 49. Kf2 b4 50. Kg3 a2 51. Rd1 Kf6 52. Kxh3 Kxf5 53. Kg3 b3 54. cxb3 Bxb3 55. Ra1 Ke5 56. Kf2 Kd4 57. Rc1 Bc2 58. Ra1 Bb1 59. Ke2 Kc3 60. Ke3 Kb2 61. Rxa2+ Bxa2 62. Kd2 Bc4 63. Ke3 Kc3 64. Kf2 Kd2 65. Kg3 Ke3 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.14"]
[Round "7"]
[White "Quarracino, Carlos"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2263"]
[PlyCount "146"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Kb1 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Nxd5 Nxd5 14. Qxd5 Qc7 15. Bc5 Be6 16. Bd6 Qd8 17. Qb7 Qa5 18. Qa6 Qd8 19. Bb5 Qf6 20. Bxf8 Rxf8 21. c3 Rb8 22. a4 Qf5+ 23. Bd3 e4 24. Bxe4 Qc5 25. Qc6 Qf2 26. Bc2 Bf5 27. Rc1 Bh6 28. Qd6 Rb6 29. Qd8+ Bf8 30. g4 Be6 31. Rcd1 Qc5 32. Kc1 Rxb2 33. Qxf8+ Kxf8 34. Kxb2 Qb6+ 35. Kc1 Qe3+ 36. Kb2 Qxf3 37. h3 Qb7+ 38. Kc1 Qc6 39. Kb2 Kg7 40. Rhg1 Qc4 41. Rg3 Qa2+ 42. Kc1 Qa3+ 43. Kd2 Qd6+ 44. Rd3 Qf4+ 45. Re3 Bc4 46. Rde1 Qd6+ 47. Kc1 Qa3+ 48. Kd2 Bb3 49. Bxb3 Qxb3 50. Re4 Qd5+ 51. Kc2 Qa2+ 52. Kd3 Qg2 53. R1e3 Qf1+ 54. Kd2 Qa1 55. Rd4 Qb2+ 56. Kd3 Qa3 57. Rf3 a5 58. g5 Qc1 59. Rdf4 Qd1+ 60. Kc4 Qxa4+ 61. Kc5 Qa3+ 62. Kb5 Qb3+ 63. Kxa5 Qd5+ 64. Kb4 Qxg5 65. Rxf7+ Kh6 66. c4 Qd2+ 67. Kb5 Qb2+ 68. Kc6 Qb4 69. R3f4 Qa4+ 70. Kd5 Qa8+ 71. Kd4 Qa1+ 72. Kd5 Qa8+ 73. Kd6 Qa6+ 1/2-1/2

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.12"]
[Round "6"]
[White "Preuss, Maximiliano"]
[Black "Sarquis, Maria Belen"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "2121"]
[PlyCount "134"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Ne5 10. bxc3 Nxc4 11. Re1 0-0 12. Rxe4 b5 13. Nd4 Nd6 14. Re3 Bb7 15. Rh3 Bxd5 16. Qh5 Be4 17. Nxb5 Bg6 18. Qc5 Nxb5 19. Qxb5 d6 20. Be3 Re8 21. Rd1 a6 22. Qa4 Re6 23. Rg3 Qe8 24. Qa5 Qc6 25. h3 Rb8 26. Bd4 Qc4 27. Kh2 Rb2 28. a3 Re7 29. Qg5 f6 30. Qc1 Rc2 31. Qf4 Re4 32. Qf3 Qe2 33. Rb1 Qxf3 34. gxf3 Re7 35. Rb8+ Kf7 36. f4 c5 37. Be3 Rxc3 38. Rb6 d5 39. Rxa6 d4 40. Bd2 Rc2 41. Ba5 Rxf2+ 42. Kg1 Rxf4 43. Rc6 Rf5 44. Bb6 Re1+ 45. Kh2 Rf2+ 46. Rg2 Rxg2+ 47. Kxg2 Be4+ 48. Kf2 Bxc6 49. Kxe1 Ke6 50. Bxc5 Kd5 51. Bf8 g5 52. Kf2 Bd7 53. Kg2 Ke4 54. Be7 Ke3 55. Bxf6 d3 56. Bxg5+ Ke2 57. Kg3 d2 58. Bxd2 Kxd2 59. h4 Kc3 60. h5 Kb3 61. Kf4 Kxa3 62. Ke5 Kb4 63. h6 Kc5 64. Kf6 Kd6 65. Kg7 Bf5 66. Kf6 Bg6 67. Kg7 Ke7 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.11"]
[Round "5"]
[White "Rissotti, Laureano"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2300"]
[PlyCount "91"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb3 dxe5 9. d5 Na5 10. Nc3 f6 11. Be3 Bd7 12. 0-0 g6 13. Re1 Nbc4 14. Rc1 Nxe3 15. fxe3 Nxb3 16. Qxb3 Qb6 17. Qa3 Bh6 18. Ne4 0-0 19. Nc5 Bg4 20. Nd2 Rac8 21. h3 Bf5 22. g4 Bd3 23. b4 Bb5 24. Qb3 Kh8 25. a4 Be8 26. Nc4 Qd8 27. Red1 Bf7 28. Nxb7 Qc7 29. Nc5 Qb8 30. Na5 e4 31. Kg2 Qa8 32. b5 f5 33. Nc6 fxg4 34. hxg4 Rc7 35. Ne6 Bxe6 36. dxe6 Qb7 37. Nd8 Qb6 38. Rxc7 Qxc7 39. Nf7+ Rxf7 40. exf7 Qc8 41. Kh3 Bg7 42. Qd5 Qf8 43. Qd8 h5 44. Qxf8+ Bxf8 45. Rd8 Kg7 46. Rxf8 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.09"]
[Round "4"]
[White "Preuss, Maximiliano"]
[Black "Garzon, Enrique"]
[Result "1-0"]
[ECO "C42"]
[BlackElo "2219"]
[PlyCount "161"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bd3 Bg4 8. Be3 Nc6 9. h3 Bh5 10. g4 Bg6 11. Bxg6 hxg6 12. Qe2 Qd7 13. 0-0-0 0-0-0 14. Nd4 a6 15. Kb1 Rde8 16. Nb3 Bg5 17. Qf3 Bxe3 18. fxe3 Ne5 19. Qg2 Qc6 20. Qxc6 Nxc6 21. Rde1 Ne5 22. Nd2 Rh6 23. g5 Rh4 24. Reg1 Kd7 25. b3 Nc6 26. Rg3 Re5 27. e4 Rh5 28. h4 Nd8 29. Rg4 Re8 30. Rf1 Rhh8 31. Kb2 Re7 32. Rgf4 Rhe8 33. c4 Re5 34. R1f2 R8e7 35. c3 Ke8 36. b4 a5 37. a3 Kf8 38. Rf1 Re8 39. R1f2 R5e7 40. Rf1 Nc6 41. Ra1 Ra8 42. Nf3 Rae8 43. Nd2 Ne5 44. Kc2 Ra8 45. a4 axb4 46. cxb4 Re6 47. Kc3 Nc6 48. Nf3 Na7 49. Nd2 b5 50. Raf1 Re7 51. axb5 Rb8 52. Nb3 c6 53. bxc6 Nxc6 54. b5 Ne5 55. Kd4 Rc7 56. Rc1 Rbc8 57. c5 Rb7 58. b6 Nc6+ 59. Ke3 dxc5 60. Nxc5 Re7 61. b7 Rce8 62. Rf2 Na5 63. Rb2 Rb8 64. Rb5 Nxb7 65. Rcb1 Nxc5 66. Rxb8+ Re8 67. Rxe8+ Kxe8 68. Kd4 Ne6+ 69. Ke5 Nc5 70. Kd5 Nd7 71. Kd6 f6 72. Rb7 Ne5 73. Rxg7 Kf8 74. gxf6 Nf3 75. Rxg6 Nxh4 76. Rg7 Nf3 77. e5 Nd4 78. Rb7 Nf5+ 79. Kd5 Ke8 80. e6 Ne7+ 81. Rxe7+ 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.08"]
[Round "3"]
[White "Zagni, Eduardo"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "42"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. h4 Rc8 11. Bb3 h5 12. 0-0-0 Ne5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qc7 16. Qe3 a5 17. a4 b5 18. Nxb5 Bxb5 19. axb5 a4 20. Bxa4 Nc4 21. Qd3 Ra8 0-1

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.07"]
[Round "2"]
[White "Preuss, Maximiliano"]
[Black "Escobar, Victor F"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "39"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. h3 Bg7 8. Nf3 0-0 9. Be2 Bd7 10. Be3 Bc6 11. 0-0 Qc7 12. b3 Na6 13. Qd2 Bxf3 14. Bxf3 e5 15. a4 Nb4 16. Nb5 Qd8 17. Qxb4 exd4 18. Bxd4 d5 19. Bxg7 Kxg7 20. a5 1-0

[Event "Villa Ballester LV op"]
[Site "Villa Ballester"]
[Date "2005.01.05"]
[Round "1"]
[White "Dolezal, Cristian"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2400"]
[PlyCount "97"]
[EventDate "2005.01.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Nc6 7. Nb3 Bg7 8. 0-0 0-0 9. Re1 Be6 10. Bg5 Na5 11. Nd4 Bc4 12. Bd3 Qb6 13. Ndb5 a6 14. Be3 Qd8 15. Na3 Bxd3 16. cxd3 b5 17. Nc2 Nc6 18. f4 d5 19. Bc5 b4 20. Na4 Qa5 21. Ne3 Nd7 22. Rc1 d4 23. Nc4 Qc7 24. Ncb6 Rab8 25. Qc2 Na5 26. Bxb4 Qxc2 27. Rxc2 Nxb6 28. Nxb6 Rxb6 29. Bxa5 Rb5 30. b4 Bh6 31. g3 e5 32. a4 Rb7 33. fxe5 Re8 34. Rc6 Be3+ 35. Kg2 Ra7 36. Rf1 Rxe5 37. Rff6 Re6 38. Rc8+ Kg7 39. Rxe6 fxe6 40. Rc7+ Rxc7 41. Bxc7 Bd2 42. b5 axb5 43. axb5 Kf7 44. Be5 Ba5 45. Bxd4 Ke7 46. Kf3 Bc7 47. Ba7 Kd7 48. b6 Bd6 49. b7 1-0

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.30"]
[Round "8"]
[White "Preuss, Maximiliano"]
[Black "Malbran, Guillermo"]
[Result "0-1"]
[ECO "B03"]
[BlackElo "2299"]
[PlyCount "96"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Bg4 10. Be2 Bxf3 11. gxf3 Qh4+ 12. Bf2 Qf4 13. Qc1 Qxc1+ 14. Rxc1 0-0-0 15. Rd1 Bb4 16. 0-0 Bxc3 17. bxc3 Na5 18. c5 Nd5 19. Rc1 Nf4 20. Bd1 Nc4 21. Bg3 g5 22. Bxf4 gxf4 23. Kf2 Rhg8 24. Bb3 Ne3 25. Rg1 Rg6 26. Rxg6 hxg6 27. Kg1 Rh8 28. Bd1 Rh5 29. Be2 Rg5+ 30. Kh1 Rg2 31. Re1 c6 32. c4 Kc7 33. a4 a5 34. h4 Kb8 35. Bd3 Rd2 36. Be4 Rxd4 37. h5 gxh5 38. Kh2 Rd1 39. Rxd1 Nxd1 40. Bh7 Kc7 41. Bg8 Kd7 42. Bxf7 Nb2 43. Kh3 Nxa4 44. Bxh5 Nc3 45. Bg6 a4 46. Bc2 a3 47. Bb3 Ke7 48. Kg4 Ne2 0-1

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.29"]
[Round "7"]
[White "Altamirano, Benjamin"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2288"]
[PlyCount "105"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 e5 7. dxe5 Nfd7 8. 0-0 Nc6 9. Qc1 dxe5 10. e4 Nd4 11. Qd1 Nb8 12. Ba3 Re8 13. c3 Nb5 14. Bb2 Nc6 15. Qc2 Nd6 16. Nbd2 f5 17. Rad1 Qf6 18. Ba3 Nxe4 19. Nxe4 fxe4 20. Nd2 Bf5 21. Nxe4 Bxe4 22. Bxe4 Rad8 23. Rxd8 Nxd8 24. Rd1 c6 25. Rd7 Qe6 26. Qd3 Nf7 27. h4 Rb8 28. h5 Bf8 29. hxg6 hxg6 30. Bxg6 e4 31. Bxf7+ Qxf7 32. Qd1 Qf5 33. Bxf8 e3 34. fxe3 Rxf8 35. Rd2 Qe4 36. Rf2 Qxe3 37. Qg4+ Kh7 38. Qh4+ Kg6 39. Qd4 Qe1+ 40. Kg2 Rxf2+ 41. Qxf2 Qxc3 42. Qe2 Qb4 43. Kh3 a5 44. g4 Qc3+ 45. Kh4 Qh8+ 46. Kg3 Qc3+ 47. Kg2 Kf7 48. Qf2+ Qf6 49. Qb6 Qb2+ 50. Kf3 Qf6+ 51. Ke2 Qb2+ 52. Kd3 Qb1+ 53. Kc3 1/2-1/2

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.28"]
[Round "6"]
[White "Preuss, Maximiliano"]
[Black "Cranbourne, Carlos Leon"]
[Result "1/2-1/2"]
[ECO "C10"]
[BlackElo "2286"]
[PlyCount "60"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 Nc6 5. exd5 exd5 6. Bb5 Nf6 7. 0-0 Be7 8. Bg5 0-0 9. dxc5 Be6 10. Bxc6 bxc6 11. b4 h6 12. Bh4 a5 13. a3 axb4 14. axb4 Rxa1 15. Qxa1 Qb8 16. Qa4 Qf4 17. Ne2 Qc4 18. Ned4 Bxc5 19. Nxc6 Bd7 20. Qa1 Bxc6 21. Bxf6 Ra8 22. Qb2 Ra2 23. Qb1 gxf6 24. bxc5 Ba4 25. c3 Bc2 26. Qb4 Ra4 27. Qxc4 Rxc4 28. Nd4 Bd3 29. Rc1 Rxc5 30. f4 Be4 1/2-1/2

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.27"]
[Round "5"]
[White "Perdomo, Leandro Daniel"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "D89"]
[WhiteElo "2306"]
[PlyCount "72"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Re8 17. Kh1 Bd7 18. e5 Rc8 19. Ng3 Nc4 20. Bxc4 Rxc4 21. Ne4 Qb6 22. Rd1 Rxe4 23. fxe4 fxe5 24. Qxe5 Qf6 25. Qg3 Rc8 26. Bg5 Qg7 27. e5 Ba4 28. Re1 Qf7 29. Qg4 Rf8 30. h3 Qf2 31. Bh4 Qxa2 32. Qe6+ Rf7 33. Bxe7 Qc4 34. Bg5 Bd7 35. Qd6 Bxh3 36. gxh3 Rf1+ 1/2-1/2

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.26"]
[Round "3"]
[White "Jimenez, Joaquin Rodrigo"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2195"]
[PlyCount "90"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 g6 7. Nc3 Bg7 8. Nc2 0-0 9. Be3 Be6 10. Qd2 Ne5 11. b3 Qa5 12. Rc1 Nfd7 13. Nd4 a6 14. h4 Nc6 15. Nxe6 fxe6 16. h5 gxh5 17. c5 Nxc5 18. Bc4 Ne5 19. Be2 Ng6 20. Bxc5 Qxc5 21. Nd5 Qd4 22. Qxd4 Bxd4 23. Nc7 Rac8 24. Bc4 d5 25. Nxe6 dxc4 26. Nxd4 e5 27. Ne2 cxb3 28. axb3 Rxc1+ 29. Nxc1 Rc8 30. Kd2 h4 31. Nd3 a5 32. Rb1 b5 33. Ra1 Rd8 34. Ke3 Ra8 35. Nc5 Nf4 36. Nb7 a4 37. bxa4 Rxa4 38. Rxa4 bxa4 39. Kd2 Nxg2 40. Nd6 h3 41. Nf5 h2 42. Ng3 h5 43. Kc3 h4 44. Nh1 Nf4 45. Kb4 Ne2 0-1

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.26"]
[Round "4"]
[White "Preuss, Maximiliano"]
[Black "Alvarez Castillo, Hector Adrian"]
[Result "1-0"]
[ECO "B06"]
[BlackElo "2245"]
[PlyCount "45"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 e6 5. Nf3 Ne7 6. Bd3 b6 7. 0-0 Bb7 8. f5 exf5 9. exf5 Nd7 10. Ne2 Nf6 11. c3 Qd7 12. Ng3 0-0-0 13. a4 Nc6 14. b4 a5 15. Bb5 Nd5 16. Qb3 Nf6 17. d5 Nxd5 18. Qxd5 Bxc3 19. Rb1 Bxb4 20. Rxb4 axb4 21. Nd4 Qe7 22. Nxc6 Bxc6 23. Qxc6 1-0

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.25"]
[Round "2"]
[White "Preuss, Maximiliano"]
[Black "Chapado, Roberto"]
[Result "1/2-1/2"]
[ECO "C99"]
[BlackElo "2151"]
[PlyCount "65"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. d5 Nb4 15. Bb1 a5 16. a3 Na6 17. Nf1 Bd7 18. Ng3 Qb7 19. Nh4 g6 20. Bh6 Rfd8 21. Qf3 Ne8 22. Nhf5 Bxf5 23. exf5 Nc5 24. fxg6 hxg6 25. Qg4 Nf6 26. Qf3 Qxd5 27. Nf5 Qxf3 28. Nxe7+ Kh7 29. gxf3 Kxh6 30. Be4 Nfxe4 31. fxe4 Nd3 32. Re2 Rd7 33. Nd5 1/2-1/2

[Event "ARG-ch 79th"]
[Site "Buenos Aires"]
[Date "2004.09.24"]
[Round "1"]
[White "Demaria, Juan Pablo"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2275"]
[PlyCount "81"]
[EventDate "2004.09.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 102 Extra"]
[Source "ChessBase"]
[SourceDate "2004.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Nc6 9. Nxc6 bxc6 10. e5 dxe5 11. Bxc6 Bh3 12. Qxd8 Raxd8 13. Re1 Rd6 14. Ba4 Rfd8 15. Be3 Ng4 16. Bc5 Rd2 17. Ne4 Bh6 18. Nxd2 Bxd2 19. Re2 Bg5 20. c3 Rd5 21. b4 Rd3 22. Rc2 a6 23. Bc6 f5 24. Bb7 e4 25. Bxa6 Ne5 26. Bxd3 exd3 27. Rb2 Bg4 28. b5 Bf3 29. Bd4 Nc4 30. Rb4 Nd6 31. a4 d2 32. b6 Nb7 33. Rbb1 Na5 34. Be3 Bxe3 35. fxe3 Kf7 36. Kf2 d1Q 37. Rxd1 Bxd1 38. Rxd1 Ke6 39. c4 h6 40. Rb1 Nb7 41. c5 1-0

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.07.14"]
[Round "4"]
[White "Preuss, Maximiliano"]
[Black "Lalanne, Pablo"]
[Result "1/2-1/2"]
[ECO "B96"]
[BlackElo "2027"]
[PlyCount "62"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2 Nfd7 11. 0-0-0 Bb7 12. Nxe6 fxe6 13. Qg4 Qxe5 14. Bd3 Be7 15. Bxe7 Kxe7 16. Rhe1 h5 17. Qb4+ Qc5 18. Qh4+ g5 19. Qh3 Rh6 20. Be4 Bxe4 21. Nxe4 Qc7 22. Nd6 Qxd6 23. Rxd6 Kxd6 24. Qg3+ e5 25. Qxg5 Re6 26. Qd8 Ra7 27. Rd1+ Kc6 28. Rd3 e4 29. Qc8+ Kb6 30. Qd8+ Kc6 31. Qc8+ Kb6 1/2-1/2

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.07.10"]
[Round "2"]
[White "Preuss, Maximiliano"]
[Black "Sapienza, Julian"]
[Result "1-0"]
[ECO "B06"]
[BlackElo "2238"]
[PlyCount "111"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 e6 5. Nf3 Ne7 6. Bd3 Nd7 7. 0-0 0-0 8. Ne2 c5 9. c3 Qb6 10. Kh1 f5 11. e5 cxd4 12. cxd4 Rd8 13. Qe1 Nd5 14. Bd2 a5 15. a3 Nf8 16. Qh4 Bd7 17. b4 a4 18. Nc3 Rac8 19. Nxd5 exd5 20. Rac1 Ne6 21. Rxc8 Rxc8 22. Qe7 Rd8 23. Ng5 Nxg5 24. Qxg5 Kf7 25. b5 Re8 26. Bc3 Rc8 27. Ba1 h6 28. Qg3 Bxb5 29. e6+ Kg8 30. Bxb5 Qxb5 31. Re1 Kh7 32. h4 Qb3 33. Qxb3 axb3 34. Rb1 Re8 35. Rxb3 Rxe6 36. Bb2 Re4 37. g3 Bxd4 38. Rxb7+ Kg8 39. Rb8+ Kf7 40. Bxd4 Rxd4 41. Kg2 Rd2+ 42. Kf3 Rd3+ 43. Kf2 Rxa3 44. Rb7+ Kf6 45. Rd7 Ke6 46. Rg7 d4 47. Rxg6+ Kd5 48. Rxh6 Ra6 49. Rf6 Ke4 50. Re6+ Kd3 51. h5 Ra2+ 52. Kf3 d5 53. Rd6 Kc4 54. Rc6+ Kb5 55. Rf6 d3 56. Ke3 1-0

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.07.09"]
[Round "1"]
[White "Barrionuevo, Pablo"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2239"]
[PlyCount "55"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bg7 6. 0-0 Bd7 7. d3 a6 8. Bxc6 Bxc6 9. Bd2 e6 10. f5 exf5 11. exf5 Ne7 12. Ng5 Bd4+ 13. Kh1 0-0 14. Qg4 h5 15. Qe2 Qd7 16. fxg6 fxg6 17. Qe6+ Qxe6 18. Nxe6 Rxf1+ 19. Rxf1 Nf5 20. Nxd4 cxd4 21. Ne4 Ne3 22. Bxe3 dxe3 23. Nxd6 b5 24. Kg1 Rd8 25. Rf6 Kg7 26. Rf7+ Kg8 27. Rf6 Kg7 28. Rf7+ 1/2-1/2

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.18"]
[Round "9"]
[White "Preuss, Maximiliano"]
[Black "Fiori, Nicolas"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2004"]
[BlackElo "2085"]
[PlyCount "31"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 h6 10. b3 a5 11. a4 Be6 12. Bb2 Be7 13. Rad1+ Kc8 14. Ne2 g5 15. Nfd4 Nxd4 16. Nxd4 1/2-1/2

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.17"]
[Round "8"]
[White "Preuss, Maximiliano"]
[Black "Lanza, Diego"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2004"]
[BlackElo "2098"]
[PlyCount "97"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5 6. Bd3 Bg4 7. Nf3 Nh6 8. h3 Bxf3 9. Qxf3 e6 10. Be3 Nd7 11. 0-0-0 b5 12. g4 h4 13. f5 b4 14. fxe6 bxc3 15. exd7+ Qxd7 16. bxc3 Qe7 17. g5 Ng8 18. Kd2 Qe6 19. Rb1 Ne7 20. Qg4 Rd8 21. Qxe6 fxe6 22. Rb7 Rd7 23. Rhb1 Rf8 24. Rxd7 Kxd7 25. Rb7+ Kd8 26. Ke2 c5 27. Rb8+ Kc7 28. Rxf8 Bxf8 29. dxc5 Nf5 30. Bxf5 exf5 31. Bf2 Kd7 32. c6+ Kxc6 33. Bxa7 Kd7 34. Kf3 Ke6 35. Kf4 Ba3 36. Be3 Bb2 37. Bd2 Ba3 38. Kf3 Kxe5 39. Be1 Bb2 40. Bxh4 Bxc3 41. Bf2 d4 42. h4 Kd5 43. Ke2 Ke4 44. Be1 Bb2 45. a4 Ba3 46. a5 Bc5 47. h5 f4 48. hxg6 f3+ 49. Kf1 1-0

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.16"]
[Round "7"]
[White "Iermito, Sebastian"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2117"]
[BlackElo "2004"]
[PlyCount "88"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. g4 Qa5 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Nd5 Qxd2 16. Nxf6+ Bxf6 17. Rxd2 Rfc8 18. Nb3 a6 19. h4 Bxg4 20. fxg4 Rxe4 21. Bd4 Bxd4 22. Rxd4 Rxd4 23. Nxd4 Rc4 24. Rd1 e5 25. Ne2 Rxg4 26. Rxd6 Rxh4 27. Kc1 Rh1+ 28. Kd2 h5 29. Ke3 h4 30. Kf3 h3 31. Kg3 h2 32. Kg2 Re1 33. Ng3 h1Q+ 34. Nxh1 Re2+ 35. Kf3 Rxc2 36. Rb6 Rc7 37. Ke4 Re7 38. Ng3 f5+ 39. Nxf5 gxf5+ 40. Kxf5 Kf7 41. Rb4 Ke8 42. Ke4 b5 43. a4 bxa4 44. Rxa4 Rb7 1/2-1/2

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.14"]
[Round "6"]
[White "Preuss, Maximiliano"]
[Black "Granara Barreto, Sebastian A"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2004"]
[BlackElo "2275"]
[PlyCount "102"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. Kb1 a5 15. g4 Rxc3 16. Qxc3 a4 17. Bc4 Qb8 18. Be2 hxg4 19. Qe3 gxf3 20. Nxf3 Neg4 21. Qg1 Nxe4 22. Nd4 Qc8 23. Bxg4 Bxg4 24. Rd3 Qd7 25. Bc1 e5 26. Nf3 Qf5 27. Nh2 Be2 28. Re3 Bh5 29. Qg2 d5 30. Rf1 Qe6 31. Nf3 Rc8 32. Qh2 Qc6 33. Ng5 Nxg5 34. hxg5 e4 35. Qf2 Bf3 36. Rxf3 exf3 37. c3 d4 38. Qxf3 Qxf3 39. Rxf3 dxc3 40. bxc3 Bxc3 41. Rf4 b5 42. a3 Rc5 43. Rf3 b4 44. axb4 Bxb4 45. Rf4 Rb5 46. Ka2 a3 47. Rh4 Be7 48. Be3 Bxg5 49. Bxg5 Rxg5 50. Kxa3 Rb5 51. Ka4 Rb1 0-1

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.13"]
[Round "5"]
[White "Barrionuevo, Pablo"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2195"]
[BlackElo "2004"]
[PlyCount "79"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Qd2 Nc6 10. Rc1 cxd4 11. cxd4 Qxd2+ 12. Kxd2 0-0 13. Bd3 Bg4 14. d5 Bxf3 15. gxf3 Ne5 16. Be2 Rac8 17. f4 Nd7 18. e5 Nb6 19. Bf3 Nxd5 20. Bxd5 Rcd8 21. Rc5 b6 22. Rb5 e6 23. Rc1 exd5 24. Kd3 d4 25. Bxd4 Bh6 26. Rc7 a6 27. Rxb6 Bxf4 28. Re7 Bxh2 29. Rbb7 Rde8 30. Ke4 Rxe7 31. Rxe7 Rd8 32. Bc5 h5 33. Ra7 Re8 34. Be7 h4 35. Bxh4 Rxe5+ 36. Kf3 g5 37. Bg3 Bxg3 38. fxg3 Ra5 39. Kg4 Rxa2 40. Kxg5 1/2-1/2

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.11"]
[Round "4"]
[White "Batinov, Alex"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2156"]
[BlackElo "2004"]
[PlyCount "80"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. g3 0-0 6. Bg2 c5 7. e3 cxd4 8. exd4 Nc6 9. Ne5 dxc4 10. Nxc6 bxc6 11. Bxc6 Bg4 12. f3 Rc8 13. Ba4 Bf5 14. Bf4 Nh5 15. Be3 Bd3 16. Ne2 Qa5+ 17. Kf2 Rb8 18. b3 e5 19. dxe5 Bxe5 20. Rc1 Bb2 21. g4 Bxe2 22. Qxe2 Bxc1 23. Rxc1 cxb3 24. Bxb3 Ng7 25. Rc5 Qd8 26. Kg2 Ne6 27. Re5 Nd4 28. Bxd4 Qxd4 29. Rd5 Qf6 30. Rd7 a5 31. Qe4 Rb4 32. Qe1 Kg7 33. h3 Rd4 34. Ra7 Qd6 35. Qc3 Kg8 36. Qe3 Rd2+ 37. Kf1 Qh2 38. Bxf7+ Rxf7 39. Qe8+ Rf8 40. Qe6+ Kh8 0-1

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.10"]
[Round "3"]
[White "Preuss, Maximiliano"]
[Black "Olmos, Sebastian"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2004"]
[PlyCount "55"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nf6 5. exf5 e4 6. Ng5 d5 7. d3 Bxf5 8. Qe2 Qe7 9. dxe4 Nxe4 10. Nxd5 Qd6 11. Nxe4 Bxe4 12. Qxe4+ Be7 13. Bxc6+ bxc6 14. Qxe7+ Qxe7+ 15. Nxe7 Kxe7 16. Bg5+ Kf7 17. 0-0-0 Rhf8 18. Rhe1 Rae8 19. Rd7+ Kg8 20. Rxe8 Rxe8 21. Rd8 Rf8 22. Be7 Rxd8 23. Bxd8 Kf7 24. Bxc7 Ke6 25. Kd2 Kd5 26. Kd3 g5 27. c4+ Kc5 28. Kc3 1-0

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.09"]
[Round "2"]
[White "Pina, Ulises"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2263"]
[BlackElo "2004"]
[PlyCount "135"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. 0-0 dxc3 10. Qe2 Bd7 11. Nxc3 0-0-0 12. Nb5 Qb8 13. Be3 e6 14. Rac1 Bd6 15. a4 Bf4 16. a5 Bxe3 17. Qxe3 a6 18. Qxb6 axb5 19. Nd4 Qc7 20. Qxb5 Kb8 21. Qc5 Be8 22. Nxc6+ Bxc6 23. a6 Qf4 24. Rc4 Qf5 25. Qxf5 exf5 26. Rc5 Rd2 27. axb7 Bxb7 28. Bxf7 Rxb2 29. Rxf5 Rd8 30. Bc4 Rb4 31. Bb5 Be4 32. Re5 Rd5 33. Rxd5 Bxd5 34. Bd3 g6 35. f3 Kc7 36. Kf2 Kd6 37. Re1 Rb2+ 38. Kg3 Rd2 39. Bb1 Bc4 40. h4 Rd5 41. Kf4 Bb5 42. Be4 Rd2 43. g4 Rh2 44. Kg5 Be2 45. Ra1 Rh3 46. Ra7 h6+ 47. Kxh6 Rxh4+ 48. Kxg6 Rh3 49. Rf7 Ke5 50. g5 Rh4 51. Kg7 Ke6 52. g6 Bc4 53. Rc7 Ba2 54. Rc8 Ke7 55. Rh8 Rf4 56. Rh2 Be6 57. Kh7 Rf8 58. g7 Bg8+ 59. Kh8 Rb8 60. Bh7 Kf7 61. Rh6 Rd8 62. f4 Rb8 63. f5 Rd8 64. f6 Rb8 65. Bxg8+ Rxg8+ 66. Kh7 Rb8 67. Rg6 Rg8 68. Rg3 1-0

[Event "Villa Ballester op 54th"]
[Site "Villa Ballester"]
[Date "2004.01.07"]
[Round "1"]
[White "Preuss, Maximiliano"]
[Black "Sanduay, Nicolas"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2004"]
[PlyCount "39"]
[EventDate "2004.01.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Bb4 7. 0-0 Nf6 8. Be3 Bxc3 9. bxc3 Nxe4 10. Bd3 Nxc3 11. Qg4 g6 12. Rfe1 b6 13. Bf4 d6 14. Qg3 e5 15. Bxe5 0-0 16. Bxd6 Qb7 17. Bxf8 Kxf8 18. Qd6+ Kg8 19. Re8+ Kg7 20. Qf8+ 1-0

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.??.??"]
[Round "3"]
[White "Godoy, Carlos"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2201"]
[PlyCount "78"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. d4 cxd4 8. cxd4 Nxe4 9. d5 Ne5 10. Nxe5 dxe5 11. Re1 Nf6 12. Rxe5 0-0-0 13. Bf4 Nxd5 14. Qc2+ Qc6 15. Qxc6+ bxc6 16. Bd2 e6 17. Ba5 Nb6 18. Re1 Rd5 19. Bc3 Na4 20. Rc1 Kb7 21. b3 Nxc3 22. Nxc3 Rd3 23. Kf1 Ba3 24. Rc2 Rxc3 25. Rxc3 Bb2 26. Rac1 Bxc1 27. Rxc1 Rd8 28. Ke2 Kb6 29. Rc4 Rd7 30. h4 h5 31. Rb4+ Kc7 32. Ra4 Kb6 33. Rb4+ Kc5 34. Rc4+ Kb5 35. a4+ Kb6 36. f3 c5 37. b4 cxb4 38. Rxb4+ Kc5 39. Rb5+ Kc6 1/2-1/2

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.??.??"]
[Round "6"]
[White "Herrera, Pablo"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "72"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 dxc4 4. Bg2 a6 5. Qc2 Nf6 6. Qxc4 b5 7. Qc2 Bb7 8. 0-0 Nbd7 9. d4 Be7 10. Bg5 0-0 11. Bxf6 Nxf6 12. Nbd2 Rc8 13. Nb3 Be4 14. Qc1 Nd7 15. Qe3 Bd5 16. Rfc1 Nb6 17. Rc2 Nc4 18. Qd3 f5 19. Nbd2 c5 20. Nxc4 Be4 21. Qe3 Bxc2 22. Qxe6+ Kh8 23. Nce5 Qe8 24. Nd7 Rf6 25. Nxf6 Bxf6 26. Qxe8+ Rxe8 27. Rc1 Be4 28. Rxc5 Bxf3 29. Bxf3 Bxd4 30. Rc2 g6 31. Kg2 Be5 32. e3 Rd8 33. Rc6 Bxb2 34. Rxa6 b4 35. Ra7 Bc3 36. h4 Rd2 1/2-1/2

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.??.??"]
[Round "9"]
[White "Lopez Rebert, Pablo"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "88"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. Be3 g6 7. Nc3 Bg7 8. Qd2 0-0 9. g4 Nxd4 10. Bxd4 Be6 11. h3 Qa5 12. Bd3 Qb4 13. Nb5 Qxd2+ 14. Kxd2 a6 15. Nc7 Rac8 16. Nxe6 fxe6 17. c3 Nd7 18. Rhf1 Ne5 19. Ke3 Nc4+ 20. Bxc4 Rxc4 21. Bxg7 Kxg7 22. Rfd1 e5 23. Rd5 b5 24. a3 Rfc8 25. Rad1 Kf7 26. h4 h6 27. Rf1 R4c5 28. f4 exf4+ 29. Rxf4+ Kg7 30. Rf1 Rxd5 31. exd5 Rc4 32. Rf4 Rc5 33. Rd4 Kf6 34. Kf4 g5+ 35. hxg5+ hxg5+ 36. Ke4 Rc8 37. a4 Rc5 38. axb5 Rxb5 39. b4 a5 40. Rc4 e6 41. Rc6 exd5+ 42. Kd4 Ke6 43. bxa5 Rxa5 44. Ke3 Rc5 0-1

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.??.??"]
[Round "5"]
[White "Mareco, Sandro"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2187"]
[PlyCount "71"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 Qe7 6. Nf3 e4 7. Bxg7 exf3 8. Qxf3 f6 9. Qxd5 Qxg7 10. Bxc6+ Kd8 11. Bxb7 Ne7 12. Qf3 Bg4 13. Qg3 Rb8 14. Bf3 f5 15. d4 Rg8 16. 0-0 h5 17. Bxg4 fxg4 18. Qh4 Qh6 19. Nc3 Kd7 20. Ne4 Rbf8 21. Qe1 h4 22. Qe2 Nf5 23. Ng5 Qh5 24. Rfe1 c6 25. h3 Nh6 26. Rad1 Rxg5 27. fxg5 Qxg5 28. Rf1 Re8 29. e4 gxh3 30. e5 h2+ 31. Kxh2 Qg3+ 32. Kg1 Ng4 33. Rf7+ Kd8 34. Qf3 Qh2+ 35. Kf1 Nh6 36. exd6 1-0

[Event "Moron Faogba-ch"]
[Site "Moron"]
[Date "2004.??.??"]
[Round "8"]
[White "Preuss, Maximiliano"]
[Black "Koch, Juan Enrique"]
[Result "1-0"]
[ECO "B33"]
[BlackElo "2048"]
[PlyCount "85"]
[EventDate "2004.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 d5 9. Nxd5 Bxa3 10. bxa3 Qa5+ 11. Qd2 Qxd2+ 12. Bxd2 Nxd5 13. exd5 Nd4 14. 0-0-0 Bf5 15. c3 Rc8 16. Kb2 Nb5 17. Re1 f6 18. f4 e4 19. c4 Nd6 20. Rc1 b6 21. Bb4 Kd7 22. g4 Bg6 23. Be2 Rc7 24. f5 Bf7 25. Rc2 Nb7 26. g5 Nc5 27. gxf6 gxf6 28. Rg1 Rg8 29. Rxg8 Bxg8 30. Bf1 Bf7 31. Rg2 Be8 32. Rg7+ Kd6 33. Rxc7 Kxc7 34. Kc3 Bd7 35. Kd4 Bxf5 36. Bxc5 bxc5+ 37. Kxc5 Bg4 38. Kd4 Bf3 39. c5 e3 40. d6+ Kd7 41. Kxe3 Bb7 42. Bd3 h6 43. Be4 1-0

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.11"]
[Round "9"]
[White "Menon, Daniel"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "A29"]
[PlyCount "55"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. d3 Bg4 8. Bg2 Nd4 9. 0-0 Bxf3 10. exf3 0-0-0 11. f4 Qe6 12. Re1 f6 13. fxe5 fxe5 14. Qh5 g6 15. Qxe5 Qxe5 16. Rxe5 Nc2 17. Bh3+ Kb8 18. Rb1 Bd6 19. Re4 Nb4 20. Bg5 Rde8 21. Rbe1 Rxe4 22. dxe4 Be5 23. f4 Bxb2 24. Kg2 Nc6 25. e5 h6 26. Bf6 Rh7 27. Rd1 a5 28. Be6 1/2-1/2

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.10"]
[Round "8"]
[White "Godoy, Carlos"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2212"]
[PlyCount "47"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e3 Bb4+ 6. Nbd2 Ngxe5 7. a3 Bxd2+ 8. Bxd2 d6 9. Bc3 Nxf3+ 10. gxf3 0-0 11. Rg1 f6 12. Qd5+ Kh8 13. 0-0-0 Ne7 14. Qh5 Qe8 15. Qh4 Ng6 16. Qg3 Bf5 17. Rd5 Qd7 18. e4 Be6 19. Rh5 Ne5 20. f4 Nxc4 21. Qg6 h6 22. Rxh6+ Kg8 23. Qh7+ Kf7 24. Rxg7+ 1-0

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.09"]
[Round "7"]
[White "Preuss, Maximiliano"]
[Black "Medina, Sergio"]
[Result "1/2-1/2"]
[ECO "B19"]
[BlackElo "2142"]
[PlyCount "48"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 e6 12. 0-0-0 Ngf6 13. Rhe1 0-0-0 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qe2 c5 17. dxc5 Bxc5 18. Bc3 Rxd1+ 19. Rxd1 Rd8 20. Rxd8+ Kxd8 21. Ne5 Nd5 22. Bd2 Bd4 23. Nd3 Bf6 24. f4 Qb6 1/2-1/2

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.08"]
[Round "6"]
[White "Mareco, Sandro"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B74"]
[WhiteElo "2162"]
[PlyCount "46"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Nc6 7. 0-0 Bg7 8. Nb3 0-0 9. Be3 Be6 10. f4 Na5 11. Nxa5 Qxa5 12. Bd4 Rac8 13. Kh1 a6 14. Bf3 b5 15. e5 dxe5 16. fxe5 Nd7 17. Nd5 Bxd5 18. Bxd5 e6 19. Bb3 Nxe5 20. Qe2 Nc6 21. Bc5 Nd4 22. Bxd4 Bxd4 23. Rad1 Qb6 1/2-1/2

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.07"]
[Round "5"]
[White "Velazquez, Gustavo"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2141"]
[PlyCount "67"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Nbd7 5. Nbd2 c5 6. c3 Be7 7. Bd3 0-0 8. Ne5 Nxe5 9. dxe5 Nd7 10. Nf3 f5 11. h4 c4 12. Ng5 cxd3 13. Qh5 h6 14. Nxe6 d2+ 15. Ke2 Qb6 16. Nxf8 Nxf8 17. Rab1 Bd7 18. Kxd2 Ne6 19. Qf3 Bc6 20. Qg3 Nc5 21. Qg6 Qb5 22. Bxh6 Qd3+ 23. Kc1 Bf8 24. Rd1 Qe2 25. Rd2 Nd3+ 26. Kc2 Ne1+ 27. Rxe1 Qxe1 28. e6 Be8 29. Qg5 g6 30. h5 Bxh6 31. Qxh6 Qh1 32. e7 Bf7 33. Rxd5 Bxd5 34. Qxg6+ 1/2-1/2

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.06"]
[Round "4"]
[White "Preuss, Maximiliano"]
[Black "Varela, Daniel"]
[Result "0-1"]
[ECO "C12"]
[BlackElo "2164"]
[PlyCount "120"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bc1 c5 10. Bd3 Nc6 11. Ne2 cxd4 12. cxd4 Qa5+ 13. Kf1 Nd2+ 14. Bxd2 Qxd2 15. h4 Bd7 16. Qf3 0-0-0 17. g3 Nb4 18. Kg2 Nxd3 19. cxd3 Ba4 20. Rhc1+ Kb8 21. Rab1 Rd7 22. Qf6 Re8 23. Qf3 a6 24. Rc5 Bd1 25. Kf1 Bc2 26. Rb2 Qd1+ 27. Kg2 Bxd3 28. Qe3 Bxe2 29. Rxe2 h5 30. Rec2 Rdd8 31. Rc7 Rc8 32. Qc3 Qxc2 33. Qxc2 Rxc7 34. Qd2 Rc4 35. Qf4 Re7 36. Qf6 Rec7 37. Qd8+ Ka7 38. a4 b6 39. Qd6 a5 40. f3 Kb7 41. g4 Rxd4 42. Kg3 Rxa4 43. Qd8 hxg4 44. f4 Rac4 45. Kxg4 a4 46. Qf8 R4c5 47. f5 exf5+ 48. Kg5 a3 49. e6 a2 50. e7 a1Q 51. e8Q Qc1+ 52. Kf6 Qb2+ 53. Kg5 Qd2+ 54. Kf6 Qd4+ 55. Kg5 Qg4+ 56. Kh6 Qxh4+ 57. Kg7 f6+ 58. Qef7 Rxf7+ 59. Kxf7 Rc7+ 60. Ke6 Qe1+ 0-1

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.05"]
[Round "3"]
[White "Preuss, Maximiliano"]
[Black "Lopez Rebert, Pablo"]
[Result "1-0"]
[ECO "B15"]
[BlackElo "2116"]
[PlyCount "51"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 c6 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Qc7 9. Be3 Nd7 10. Ng3 g6 11. Qc2 c5 12. Ne4 cxd4 13. Bxd4 Be5 14. Bxe5 Qxe5 15. 0-0-0 f5 16. Ng3 Nc5 17. Rhe1 Nxd3+ 18. Qxd3 Qa5 19. a3 Be6 20. Qe3 Qa4 21. Qh6 Kh8 22. Rd4 Qxd4 23. cxd4 Rfc8+ 24. Kb1 Rc4 25. Nh5 Rg8 26. Nf6 1-0

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.04"]
[Round "2"]
[White "Bronstein, Luis Marcos"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2325"]
[PlyCount "79"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Be7 9. 0-0-0 Qc7 10. Bb3 0-0 11. g4 b5 12. g5 Nd7 13. Nd5 exd5 14. Nxc6 Qxc6 15. Bxd5 Qc7 16. Bxa8 Ne5 17. Rhg1 Bg4 18. Rxg4 Nxg4 19. Bd5 Nxe3 20. Qxe3 Rc8 21. c3 b4 22. c4 Bf8 23. f4 g6 24. f5 Bg7 25. f6 Bh8 26. h4 h5 27. Kb1 a5 28. c5 dxc5 29. e5 c4 30. e6 c3 31. exf7+ Kh7 32. Re1 Rf8 33. Qf3 Bxf6 34. gxf6 Qh2 35. bxc3 bxc3 36. Qxc3 Rb8+ 37. Ka1 a4 38. f8N+ Rxf8 39. Re7+ Kh8 40. Qe3 1-0

[Event "ARG-ch 77th"]
[Site "Tres de Febrero"]
[Date "2003.09.03"]
[Round "1"]
[White "Preuss, Maximiliano"]
[Black "Barrionuevo, Pablo"]
[Result "1/2-1/2"]
[ECO "C42"]
[BlackElo "2223"]
[PlyCount "129"]
[EventDate "2003.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 096 Extra"]
[Source "ChessBase"]
[SourceDate "2003.10.22"]
[SourceVersion "2"]
[SourceVersionDate "2003.10.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 Nf6 9. cxd5 Nxd5 10. Ng5 h6 11. Nh7 Re8 12. Qh5 Nf6 13. Nxf6+ Qxf6 14. Be3 c5 15. dxc5 Re5 16. Qd1 Bxc5 17. Qc2 Nd7 18. Nd2 Rh5 19. Be2 Re5 20. Ne4 Qe7 21. Nxc5 Nxc5 22. Rac1 Bf5 23. Bxc5 Bxc2 24. Bxe7 Rxe2 25. Rfe1 Rxe1+ 26. Rxe1 Rc8 27. h3 Bf5 28. Bb4 Be6 29. a3 Rc2 30. Bc3 Kh7 31. Re3 Rc1+ 32. Kh2 Rd1 33. Rg3 f6 34. Re3 Rd6 35. Re2 Kg6 36. Rd2 Rc6 37. Kg3 b6 38. Rd3 Kf5 39. Kf3 h5 40. h4 Rc5 41. g3 Rc4 42. Rd4 Rc7 43. Rd8 Bd7 44. Bb4 Bc6+ 45. Ke3 a5 46. Bc3 Re7+ 47. Kd2 Bf3 48. Bd4 b5 49. Be3 Kg4 50. Rd4+ Kh3 51. Rf4 Kg2 52. Rd4 Re5 53. Rd7 g5 54. hxg5 fxg5 55. Rg7 Rd5+ 56. Kc3 Kf1 57. Rxg5 Rxg5 58. Bxg5 Kxf2 59. Bh4 Ke3 60. Bd8 a4 61. Bg5+ Ke4 62. Bh4 Be2 63. Bd8 Kf3 64. Bc7 Bc4 65. Bb8 1/2-1/2

[Event "Faogba-ch Superior fin"]
[Site "Moron"]
[Date "2003.07.13"]
[Round "8.5"]
[White "Sapienza, Julian"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2266"]
[PlyCount "26"]
[EventDate "2003.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Bb5+ Bd7 7. e5 Ng4 8. e6 fxe6 9. Ng5 Bxb5 10. Nxe6 Bxd4 11. Nxd8 Bf2+ 12. Kd2 Be3+ 13. Ke1 Bf2+ 1/2-1/2

[Event "Faogba-ch Superior fin"]
[Site "Moron"]
[Date "2003.07.12"]
[Round "7"]
[White "Preuss, Maximiliano"]
[Black "Barrionuevo, Pablo"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "2223"]
[PlyCount "86"]
[EventDate "2003.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2 0-0 11. Qb3 Kh8 12. Qxb7 Rf6 13. Qb3 Bd6 14. h3 Bh5 15. Bxe4 fxe4 16. Ne5 Bxe5 17. dxe5 Nxe5 18. Nf1 Rb8 19. Qc2 Nd3 20. Bg5 Rxb2 21. Bxf6 Qxf6 22. Reb1 Rxb1 23. Rxb1 h6 24. Ng3 Bg6 25. Rb8+ Kh7 26. Qd2 c5 27. Nh1 a6 28. a4 Qd6 29. Rb1 Nf4 30. Rb2 h5 31. a5 Qf6 32. Kh2 Qe5 33. g3 Ne6 34. Rb6 Ng5 35. Qe2 Qf5 36. Qf1 Nf3+ 37. Kg2 Be8 38. Qxa6 Ng5 39. Kf1 Qxh3+ 40. Ke2 Qxh1 41. Qc8 Qf3+ 42. Kd2 Ba4 43. Qxc5 Qd3+ 0-1

[Event "Faogba-ch Superior fin"]
[Site "Moron"]
[Date "2003.07.11"]
[Round "6.8"]
[White "Preuss, Maximiliano"]
[Black "Esposito, Jorge"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "57"]
[EventDate "2003.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 e6 5. Nf3 Be7 6. Bd3 Qa5 7. 0-0 Na6 8. a3 Bd7 9. Bd2 Qc7 10. Qe2 b5 11. e5 Ng4 12. Ng5 h5 13. h3 Nh6 14. a4 Nb4 15. Nxb5 cxb5 16. Bxb4 bxa4 17. Qxh5 a5 18. Bc3 a3 19. f5 Bxg5 20. Qxg5 axb2 21. Bxb2 dxe5 22. Qxg7 Rg8 23. Qxh6 Qb7 24. Qd2 Qxb2 25. Be4 Ra7 26. Rfb1 Qxd4+ 27. Qxd4 Rxg2+ 28. Bxg2 exd4 29. f6 1-0

[Event "Faogba-ch Superior fin"]
[Site "Moron"]
[Date "2003.07.09"]
[Round "5"]
[White "Fercher, Christian"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "82"]
[EventDate "2003.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 0-0 7. g3 exd5 8. cxd5 d6 9. Bg2 Nbd7 10. 0-0 Re8 11. e4 Bf8 12. Re1 Nc5 13. Nd4 a5 14. b3 g6 15. h3 Bg7 16. Bb2 Ba6 17. Re3 Nh5 18. Nc6 Qd7 19. b4 Bh6 20. b5 Bxe3 21. fxe3 Bb7 22. g4 Ng7 23. Ne2 Bxc6 24. bxc6 Qe7 25. Qd4 f6 26. Rf1 Qe5 27. Qd2 Nxe4 28. Qc2 Qg5 29. Rf4 f5 30. h4 Qxh4 31. gxf5 Qe1+ 32. Rf1 Qd2 33. Bxe4 Qxe3+ 34. Rf2 Rxe4 35. Bxg7 Kxg7 36. Qb2+ Re5 37. Nf4 gxf5 38. a4 Rg8 39. Ng6 Kf7 40. Qd2 Rxg6+ 41. Kf1 Qh3+ 0-1

[Event "Faogba-ch Superior fin"]
[Site "Moron"]
[Date "2003.07.05"]
[Round "2"]
[White "Preuss, Maximiliano"]
[Black "Campos, Jose Felix"]
[Result "1/2-1/2"]
[ECO "C63"]
[BlackElo "2210"]
[PlyCount "113"]
[EventDate "2003.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 8. Qe2 Nf6 9. f4 Qxf4 10. d4 Qd6 11. Ne5+ c6 12. Bc4 Qxd4 13. Bf4 Nd5 14. Bxd5 Qxd5 15. Rd1 Qe6 16. Qh5+ g6 17. Nxg6 Qxg6 18. Qe5+ Be6 19. Qxh8 Qxg2 20. Rf1 Bh3 21. Qe5+ Kf7 22. Qh5+ Kg8 23. Qg5+ Qxg5 24. Bxg5 Bxf1 25. Kxf1 Bg7 26. c3 h6 27. Be3 Rf8+ 28. Ke2 Rf7 29. Bxa7 Be5 30. Rd8+ Kh7 31. Bb8 Bxb8 32. Rxb8 Re7 33. Ke3 Kg7 34. a4 Kf7 35. b4 Kf6 36. c4 Kg5 37. b5 cxb5 38. cxb5 Kf5 39. a5 Ke5 40. Rh8 Rc7 41. Rxh6 Rc3+ 42. Kd2 Ra3 43. a6 bxa6 44. bxa6 Kf4 45. Kc2 e3 46. Re6 Ra2+ 47. Kc3 Rxh2 48. a7 Ra2 49. Kd3 Rd2+ 50. Kc3 Rd8 51. Kc4 Kf3 52. Kb5 e2 53. Kb6 Kf2 54. Kb7 Rd7+ 55. Kb8 Rxa7 56. Rxe2+ Kxe2 57. Kxa7 1/2-1/2

[Event "Faogba-ch Superior fin"]
[Site "Moron"]
[Date "2003.07.04"]
[Round "1"]
[White "Mareco, Sandro"]
[Black "Preuss, Maximiliano"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2157"]
[PlyCount "71"]
[EventDate "2003.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. Qd3 Nbd7 8. Bf4 Nxe4 9. Qxe4 Nf6 10. Qd3 Bd7 11. Ng3 Bc6 12. 0-0-0 Nd5 13. Bd2 Bg5 14. h4 Nf4 15. Qb3 Bh6 16. Be3 Nxg2 17. Bxh6 gxh6 18. d5 Bxd5 19. c4 Nf4 20. cxd5 Nxd5 21. Bc4 c6 22. Rhe1 0-0 23. Kb1 Qb6 24. Bxd5 cxd5 25. Qc3 f6 26. Nh5 Kh8 27. Qg3 Rf7 28. Rg1 e5 29. Rxd5 Qe6 30. Qd3 Raf8 31. Rd6 e4 32. Rxe6 exd3 33. Rd6 Re7 34. Rxd3 Re2 35. Rd7 Rxf2 36. Rgg7 1-0

[Event "ARG-ch U16 sf etapa 2"]
[Site "Esteban Echeverria"]
[Date "2003.??.??"]
[Round "4.5"]
[White "Bitelmajer, Martin"]
[Black "Preuss, Maximiliano"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "2230"]
[PlyCount "71"]
[EventDate "2003.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 d6 11. Be2 0-0 12. 0-0 Bd7 13. Bxe5 Qxe5 14. Bf3 Bc6 15. Bd5 Kh8 16. b4 a6 17. Rac1 f5 18. Bxc6 bxc6 19. Qd4 Qxd4 20. exd4 Rfe8 21. Rfe1 g6 22. Kf1 Kg7 23. d5 cxd5 24. cxd5 Rxe1+ 25. Rxe1 Kf6 26. f4 a5 27. b5 a4 28. b6 cxb6 29. Re6+ Kf7 30. Rxd6 Rb8 31. Rd7+ Kg8 32. d6 b5 33. Re7 Rd8 34. d7 Kf8 35. Rxh7 b4 36. axb4 1/2-1/2

[Event "ARG-ch U16 sf etapa 2"]
[Site "Esteban Echeverria"]
[Date "2003.??.??"]
[Round "7.5"]
[White "Preuss, Maximiliano"]
[Black "Ambrogi, Agustin Tomas"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "20"]
[EventDate "2003.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 e5 3. Nf3 Nc6 4. c3 d5 5. exd5 Qxd5 6. d4 Bg4 7. Nbd2 0-0-0 8. c4 Qa5 9. d5 Nd4 10. Qd3 Bf5 0-1

[Event "ARG-ch U16 sf etapa 2"]
[Site "Esteban Echeverria"]
[Date "2003.??.??"]
[Round "5.3"]
[White "Preuss, Maximiliano"]
[Black "Garnier, Rene Augusto"]
[Result "0-1"]
[ECO "B36"]
[PlyCount "96"]
[EventDate "2003.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. 0-0 Qa5 12. f3 Rfc8 13. Nd5 Qxd2 14. Bxd2 Bxd5 15. exd5 Nd7 16. Kh1 b5 17. cxb5 Rc2 18. Rfd1 Rxb2 19. Rac1 Nb6 20. Bc4 Nxc4 21. Rxc4 Rxb5 22. Be3 Ra5 23. a4 h5 24. h3 Bf6 25. Rd3 Rb8 26. Bd2 Rb1+ 27. Kh2 Ra6 28. a5 Rb5 29. Re4 Kf8 30. Be1 Ke8 31. Rd1 Kd7 32. Rc4 Rc5 33. Re4 e6 34. dxe6+ fxe6 35. Bb4 Rb5 36. f4 Bd8 37. Rde1 d5 38. Rd1 Ke8 39. Red4 Bf6 40. g4 hxg4 41. hxg4 Bxd4 42. Rxd4 Rc6 43. Kh3 Rc4 44. Rxc4 dxc4 45. Be1 c3 46. Kh4 c2 47. Bd2 Rb1 48. Kg5 Kf7 0-1

[Event "ARG-ch U16 sf etapa 2"]
[Site "Esteban Echeverria"]
[Date "2003.??.??"]
[Round "1.7"]
[White "Preuss, Maximiliano"]
[Black "Heit, Santiago"]
[Result "1-0"]
[ECO "B80"]
[BlackElo "1922"]
[PlyCount "41"]
[EventDate "2003.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 Qc7 8. Qd2 Nc6 9. g4 Nxd4 10. Bxd4 e5 11. Be3 Be6 12. 0-0-0 Rc8 13. g5 Nd7 14. Kb1 Nb6 15. f4 Nc4 16. Bxc4 Bxc4 17. Rhe1 Qa5 18. fxe5 d5 19. Qf2 dxe4 20. Bb6 Bc5 21. Qd2 1-0

[Event "ARG-ch U16 sf etapa 2"]
[Site "Esteban Echeverria"]
[Date "2003.??.??"]
[Round "2.4"]
[White "Preuss, Maximiliano"]
[Black "Martinez, Matias"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "86"]
[EventDate "2003.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne2 Bg4 13. f3 Bh5 14. b4 Nd5 15. Nf4 Bg6 16. Bxg6 hxg6 17. Nxd5 Qxd5 18. Re1 Rfe8 19. Bb2 Rad8 20. f4 Re4 21. Qd2 Rde8 22. Rxe4 Rxe4 23. Re1 f5 24. h3 Qc4 25. Rxe4 fxe4 26. b5 Qxb5 27. Bxd4 Nxd4 28. Qxd4 Qb1+ 29. Kh2 Qe1 30. g3 Kh7 31. Qd5 Qf2+ 32. Kh1 e3 33. Qg5 Qf3+ 34. Kh2 Qe2+ 35. Kh1 Qd1+ 36. Kh2 e2 37. Qh4+ Kg8 38. f5 e1Q 39. Qc4+ Kf8 40. Qc8+ Qe8 41. Qc5+ Kg8 42. Qc4+ Kh8 43. Qh4+ Qh5 0-1

[Event "ARG-ch U16 sf etapa 2"]
[Site "Esteban Echeverria"]
[Date "2003.??.??"]
[Round "6.6"]
[White "Sanseverino, Victoria"]
[Black "Preuss, Maximiliano"]
[Result "0-1"]
[ECO "C63"]
[PlyCount "76"]
[EventDate "2003.07.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nf6 5. Nc3 Bb4 6. Bg5 Nd4 7. Bc4 d6 8. 0-0 Bxc3 9. bxc3 Nxf3+ 10. Qxf3 h6 11. Bxf6 Qxf6 12. exf5 c6 13. Rfe1 Qxf5 14. Qxf5 Bxf5 15. d4 0-0-0 16. dxe5 Bxc2 17. Rac1 Bf5 18. f4 d5 19. Bb3 Rhe8 20. Bd1 g5 21. Bh5 Re7 22. g3 Be4 23. Kf2 Rf8 24. Ke3 Rg7 25. Bg4+ Kd8 26. Rg1 gxf4+ 27. gxf4 Rfg8 28. Rcf1 Rxg4 29. Rxg4 Rxg4 30. f5 Bg2 31. Rf4 Rxf4 32. Kxf4 Bh3 33. e6 c5 34. Ke5 d4 35. f6 Bxe6 36. cxd4 cxd4 37. Kxd4 Ke8 38. h4 Kf7 0-1

