[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2011.07.24"]
[Round "7"]
[White "Osorio, Martin"]
[Black "Benitez, Jose Rodolfo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1484"]
[BlackElo "1822"]
[PlyCount "94"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nc3 Bb4 6. Nge2 0-0 7. 0-0 h6 8. a3 Bd6 9. Bf4 a6 10. Qd2 c5 11. Bxh6 Bxh2+ 12. Kxh2 Ng4+ 13. Kg1 Nxh6 14. f3 c4 15. Bxc4 dxc4 16. d5 Qb6+ 17. Kh1 Nf5 18. Ne4 Ne3 19. Rfb1 f5 20. Nf2 Qh6+ 21. Kg1 f4 22. b3 Qg6 23. Nxf4 Rxf4 24. Qxe3 Rh4 25. Re1 Bd7 26. Re2 cxb3 27. cxb3 Qg3 28. Rc1 Qh2+ 29. Kf1 Qd6 30. a4 a5 31. Qg5 Qf6 32. Qxf6 gxf6 33. Nd3 Rh1+ 34. Kf2 Rxc1 35. Nxc1 Kf7 36. Nd3 Na6 37. d6 Re8 38. Rxe8 Kxe8 39. Ke3 Kf7 40. Kf4 Ke6 41. g4 Kxd6 42. g5 fxg5+ 43. Kxg5 Nc5 44. Nf2 Bc6 45. f4 Ne4+ 46. Nxe4+ Bxe4 47. f5 Bd5 0-1

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2011.07.23"]
[Round "6"]
[White "Lopez, Francisco1111"]
[Black "Osorio, Martin"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1706"]
[BlackElo "1484"]
[PlyCount "67"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nc3 Nd7 5. Be3 e6 6. Be2 Ne7 7. Nf3 b6 8. Qd2 Bb7 9. a3 Nf6 10. Bd3 0-0 11. 0-0-0 c5 12. h4 h5 13. Kb1 c4 14. Bxc4 Nxe4 15. Nxe4 Bxe4 16. Ng5 Bf5 17. Rdg1 Rc8 18. Bd3 Nd5 19. g4 Bxd3 20. Qxd3 Nf6 21. Rh2 hxg4 22. h5 gxh5 23. Rxh5 d5 24. Rgh1 Qc7 25. c3 Qc4 26. Qc2 b5 27. Rh6 Bxh6 28. Rxh6 Kg7 29. Nxe6+ Kxh6 30. Qh2+ Kg6 31. f5+ Kxf5 32. Qe5+ Kg6 33. Qg5+ Kh7 34. Qg7# 1-0

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2011.07.17"]
[Round "5"]
[White "Osorio, Martin"]
[Black "Martins, Eduardo Lavieri"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1484"]
[BlackElo "2081"]
[PlyCount "48"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[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 Qb6 9. 0-0-0 Nc6 10. Nxc6 Qxc6 11. Bd3 b5 12. a3 Bb7 13. Qe2 Qc7 14. f5 e5 15. Bxf6 Bxf6 16. h4 Qa5 17. Nd5 Bxd5 18. exd5 b4 19. axb4 Qxb4 20. Qe4 a5 21. Qxb4 axb4 22. Rde1 Bd8 23. Bb5+ Ke7 24. Re4 Ra1+ 0-1

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2011.07.16"]
[Round "4"]
[White "Rivarola, Paul"]
[Black "Osorio, Martin"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "1706"]
[BlackElo "1484"]
[PlyCount "82"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. d4 Nbd7 7. 0-0 c5 8. d5 Nb6 9. Nd2 Bd7 10. e4 Ng4 11. Qe2 f5 12. h3 Ne5 13. f4 Nf7 14. Rb1 Qc8 15. Kh2 fxe4 16. Ndxe4 e6 17. Rd1 e5 18. b3 Qc7 19. a4 Rae8 20. Qc2 exf4 21. Bxf4 Bf5 22. Re1 a6 23. g4 Bxe4 24. Rxe4 Ne5 25. Rf1 Nbd7 26. g5 Rc8 27. Bg3 Rxf1 28. Bxf1 Nf3+ 29. Kh1 Nde5 30. Ne2 Nxg5 31. Rf4 Rf8 32. Bg2 Qd7 33. Rxf8+ Kxf8 34. Nf4 Ngf7 35. Ne6+ Kg8 36. h4 Qe7 37. h5 Bf6 38. hxg6 hxg6 39. Be4 Ng5 40. Nxg5 Bxg5 41. Kg2 Kf7 1/2-1/2

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2011.07.10"]
[Round "3"]
[White "Osorio, Martin"]
[Black "Benitez Irazusta, Eduardo A"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1484"]
[BlackElo "1681"]
[PlyCount "50"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 0-0 6. Qd2 Nbd7 7. 0-0-0 b6 8. g4 e6 9. Bb5 Bb7 10. Bxd7 Qxd7 11. h4 h5 12. gxh5 Nxh5 13. Nge2 Qe7 14. Rdg1 Rfd8 15. Bh6 Kf8 16. Bxg7+ Kxg7 17. Ng3 Rh8 18. Qh2 Qf6 19. Nxh5+ Rxh5 20. Rg3 Rah8 21. Rh3 Qxd4 22. Ne2 Qe3+ 23. Kb1 e5 24. Rg1 Bc8 25. Ng3 Bxh3 0-1

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2011.07.03"]
[Round "2"]
[White "Osorio, Martin"]
[Black "Riva, Eric"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1484"]
[BlackElo "1704"]
[PlyCount "80"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 d6 5. Bb5 Bd7 6. Nc3 Nf6 7. 0-0 Be7 8. Re1 0-0 9. Nxc6 Bxc6 10. Bxc6 bxc6 11. Bf4 Nd7 12. Qg4 Bf6 13. Qg3 Re8 14. Rad1 Qe7 15. Re3 Rab8 16. Rb1 Bxc3 17. Rxc3 Qxe4 18. Qd3 Qxd3 19. cxd3 Rxb2 20. Rbc1 c5 21. d4 Rxa2 22. dxc5 Nxc5 23. Be3 Ne6 24. Rb3 Kf8 25. Rb7 a5 26. Ra7 Rb8 27. Kf1 a4 28. g3 Rb3 29. Rc4 a3 30. Rca4 Ke7 31. R4a5 Rc3 32. R5a6 Nc5 33. Ra5 Nd7 34. Bd4 Rc4 35. Be3 Ra1+ 36. Ke2 Ne5 37. Rxa3 Rc2+ 38. Bd2 Rxa3 39. Rxa3 Rxd2+ 40. Kxd2 Nc4+ 0-1

[Event "Asuncion Preclasificatorio Mayor"]
[Site "Asuncion"]
[Date "2011.07.02"]
[Round "1"]
[White "Apuril, Jose"]
[Black "Osorio, Martin"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1855"]
[BlackElo "1484"]
[PlyCount "73"]
[EventDate "2011.07.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e3 0-0 6. Be2 b6 7. 0-0 Bb7 8. b4 Nbd7 9. Rb1 c5 10. bxc5 dxc5 11. Ba3 Ne4 12. Nxe4 Bxe4 13. Bd3 Bxf3 14. Qxf3 Ne5 15. Qe2 Nxd3 16. Qxd3 Qd7 17. d5 Qd6 18. Bb2 Bxb2 19. Rxb2 e5 20. a4 Rab8 21. f4 f6 22. h4 Rfe8 23. h5 e4 24. Qd1 f5 25. g4 Re7 26. Rg2 Rg7 27. Rff2 Rbb7 28. Qa1 Qf8 29. Qe5 Rbe7 30. Qc3 Rd7 31. gxf5 gxf5 32. Qe5 h6 33. Qe6+ Kh8 34. Qxh6+ Kg8 35. Qe6+ Kh7 36. Rg6 Rxg6+ 37. hxg6+ 1-0

[Event "Asuncion La Pergola Jardin op"]
[Site "Asuncion"]
[Date "2011.01.25"]
[Round "6"]
[White "Osorio, Martin"]
[Black "Lugo, Freddy"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1991"]
[PlyCount "70"]
[EventDate "2011.01.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nc3 Be7 6. h3 0-0 7. Qf3 c6 8. Nge2 Re8 9. 0-0 Nbd7 10. Ng3 Nf8 11. Bd2 Ne6 12. Nce2 Qb6 13. Bc3 g6 14. a3 Qc7 15. Qe3 Bf8 16. Qd2 Bg7 17. f4 Bh6 18. Rf2 Nd7 19. h4 f5 20. h5 Rf8 21. hxg6 hxg6 22. Nf1 Nf6 23. Nh2 Qg7 24. Raf1 Bd7 25. Qc1 Rae8 26. Bd2 Nd8 27. Ng3 Nf7 28. Bb4 Ne4 29. Nxe4 fxe4 30. Bxf8 Rxf8 31. Be2 Qxd4 32. c3 Qb6 33. Ng4 Kg7 34. Nxh6 Nxh6 35. Qd2 e3 0-1

[Event "Asuncion La Pergola Jardin op"]
[Site "Asuncion"]
[Date "2011.01.24"]
[Round "5"]
[White "Osorio, Martin"]
[Black "Benitez, Ivan"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1604"]
[PlyCount "48"]
[EventDate "2011.01.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Ne7 6. 0-0 h6 7. c4 dxc4 8. Bxc4 0-0 9. Re1 Nd7 10. Nc3 Nf6 11. Ne4 Nxe4 12. Rxe4 Bf5 13. Re1 b6 14. Bd2 c6 15. a3 b5 16. Ba2 Ng6 17. Qc1 Qc7 18. Bb1 Bxb1 19. Rxb1 Rfe8 20. Qc2 a6 21. Rbc1 Rxe1+ 22. Rxe1 c5 23. dxc5 Qxc5 24. Qxc5 Bxc5 1/2-1/2

[Event "Asuncion La Pergola Jardin op"]
[Site "Asuncion"]
[Date "2011.01.21"]
[Round "4"]
[White "Saldana, Fernando Javier"]
[Black "Osorio, Martin"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1759"]
[PlyCount "84"]
[EventDate "2011.01.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 d5 6. b3 Be7 7. Bb2 d4 8. d3 0-0 9. e3 e5 10. e4 Be6 11. Nh4 g6 12. Nf3 Qd7 13. Ng5 Kg7 14. Nxe6+ Qxe6 15. f4 h5 16. h3 Rh8 17. f5 Qd6 18. g4 hxg4 19. hxg4 Rh4 20. g5 Ng4 21. f6+ Bxf6 22. gxf6+ Nxf6 23. Bc1 Rg4 24. Nd2 Rh8 25. Nf3 Nh5 26. Ng5 Nf6 27. Bd2 Nb4 28. Qe2 Rh5 29. Nf3 Nc6 30. Rf2 Rg3 31. Nh2 Qe6 32. Rf3 Qh3 33. Rxg3 Qxg3 34. Nf1 Qh4 35. Qf2 Ng4 36. Qxh4 Rxh4 37. a3 Rh7 38. Be1 a5 39. Rb1 f5 40. exf5 gxf5 41. Bxc6 bxc6 42. Bxa5 Nf6 1-0

[Event "Asuncion La Pergola Jardin op"]
[Site "Asuncion"]
[Date "2011.01.20"]
[Round "3"]
[White "Osorio, Martin"]
[Black "Florentin, Damaso"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1775"]
[PlyCount "64"]
[EventDate "2011.01.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Nxc6 bxc6 7. Bd3 d6 8. 0-0 0-0 9. Qf3 Bg4 10. Qg3 Bh5 11. h3 Bg6 12. f4 d5 13. f5 dxe4 14. fxg6 exd3 15. gxh7+ Nxh7 16. cxd3 Qd6 17. Bf4 Qc5+ 18. Kh1 Bd6 19. Rac1 Qd4 20. b3 Rae8 21. Ne4 Re6 22. Nxd6 cxd6 23. Rxc6 Rg6 24. Qe3 Qd5 25. Qf3 Qd4 26. Rc4 Qb2 27. Rf2 Qf6 28. Be3 Qe7 29. Bd4 Ng5 30. Qe2 Qd7 31. Qc2 Nxh3 32. gxh3 Qxh3+ 0-1

[Event "Asuncion La Pergola Jardin op"]
[Site "Asuncion"]
[Date "2011.01.18"]
[Round "2"]
[White "Gamarra, Ramon"]
[Black "Osorio, Martin"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2022"]
[PlyCount "93"]
[EventDate "2011.01.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 Nf6 3. g3 c5 4. Bg2 Nc6 5. e3 e5 6. Nge2 Be6 7. Nd5 a5 8. Nec3 Nb4 9. d3 Nbxd5 10. cxd5 Bd7 11. a4 Be7 12. 0-0 0-0 13. h3 Rb8 14. Bd2 h6 15. Kh2 Nh7 16. Ra3 b6 17. f4 exf4 18. gxf4 f5 19. Qe2 Rf6 20. e4 Rg6 21. e5 Qf8 22. Bf3 h5 23. Bxh5 Rh6 24. Rg1 Kh8 25. Nb5 Bxb5 26. axb5 Qg8 27. e6 Nf6 28. Bf3 Qh7 29. Qg2 g6 30. Bc3 Kg7 31. Qg3 Rh8 32. Bg2 Kf8 33. Rh1 Rh4 34. Qf3 Qh5 35. Qxh5 R8xh5 36. Kg3 Ke8 37. Bf3 Rh7 38. d4 Ne4+ 39. Bxe4 fxe4 40. dxc5 dxc5 41. Be5 g5 42. f5 g4 43. f6 R4h5 44. Kf4 Bd8 45. d6 R7h6 46. d7+ Kf8 47. Bd6+ 1-0

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.14"]
[Round "9"]
[White "Osorio, Martin"]
[Black "Torres, Christian"]
[Result "0-1"]
[ECO "B94"]
[BlackElo "1670"]
[PlyCount "84"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bd3 Qb6 8. Nb3 e6 9. f4 Be7 10. Qe2 Qc7 11. 0-0 b5 12. a3 Bb7 13. f5 e5 14. Na2 Nb6 15. Na5 Rc8 16. Nxb7 Qxb7 17. Rac1 Nc4 18. Bxc4 Rxc4 19. Bxf6 Rxe4 20. Qf3 Bxf6 21. Nc3 Qb6+ 22. Kh1 Rc4 23. Nd5 Qc6 24. Nxf6+ gxf6 25. Qxc6+ Rxc6 26. b3 Rc3 27. Rfd1 Ke7 28. Rd3 Rhc8 29. Rd2 Rxb3 30. Rcd1 Rxa3 31. Rxd6 Rxc2 32. Rd8 Rc7 33. Rh8 b4 34. h4 b3 35. Rdd8 Rd7 36. Rhe8+ Kd6 37. Rb8 a5 38. Rb6+ Kd5 39. Rc8 a4 40. Rc1 Ke4 41. g4 Rd2 42. Rb4+ Kd3 0-1

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.13"]
[Round "8"]
[White "Alderete, Jazmin"]
[Black "Osorio, Martin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1565"]
[PlyCount "82"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. e3 g6 4. Bd3 Bg7 5. c3 0-0 6. 0-0 c5 7. Nbd2 Nc6 8. a4 b6 9. Re1 Bb7 10. Bc2 Re8 11. Nf1 cxd4 12. exd4 e5 13. dxe5 dxe5 14. Bg5 Qc7 15. N1d2 Rad8 16. Qc1 Rd7 17. Kh1 Re6 18. Bh4 Ne8 19. Ne4 Kh8 20. Bb3 Ree7 21. Bxe7 Rxe7 22. Qc2 Na5 23. Ba2 Nc4 24. Bxc4 Qxc4 25. Rad1 f5 26. Ned2 Qc5 27. Nb3 Qc6 28. Nbd2 e4 29. Ng1 Bh6 30. Nf1 Nf6 31. Rd8+ Kg7 32. f3 Nd7 33. Qb3 Re6 34. Rd1 Nc5 35. Qc4 Bg5 36. b4 Bxd8 37. bxc5 Bf6 38. Ne3 bxc5 39. f4 Rd6 40. Rb1 Rd3 41. Nd1 Qd5 0-1

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.12"]
[Round "7"]
[White "Osorio, Martin"]
[Black "Florentin, Damaso"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1775"]
[PlyCount "51"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 c6 3. Be3 Nf6 4. Nc3 Qb6 5. Bc1 Nbd7 6. Nge2 e5 7. f3 Be7 8. b3 0-0 9. Bb2 Rd8 10. Qd2 Nf8 11. 0-0-0 Be6 12. Qe3 Ng6 13. g4 d5 14. Na4 Qc7 15. dxe5 Nxe5 16. Nf4 Ng6 17. Nxg6 hxg6 18. exd5 Nxd5 19. Qf2 Qf4+ 20. Kb1 b5 21. Rxd5 Bxd5 22. Nc3 Qxf3 23. Qxf3 Bxf3 24. Rg1 b4 25. Ne2 Rd1+ 26. Nc1 0-1

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.11"]
[Round "6"]
[White "Laterza, Martin"]
[Black "Osorio, Martin"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1547"]
[PlyCount "75"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 0-0 6. f3 e5 7. Nge2 Nc6 8. d5 Ne7 9. g4 Nd7 10. Bh6 a5 11. h4 Nc5 12. Ng3 b6 13. h5 Bh8 14. Bxf8 Qxf8 15. Bb5 Qg7 16. hxg6 fxg6 17. 0-0-0 Bd7 18. Bxd7 Nxd7 19. Nb5 Rc8 20. Qh6 Qf7 21. Rh3 Nf8 22. Kb1 Qf6 23. Rdh1 Bg7 24. Qe3 c6 25. g5 Qf4 26. Qxf4 exf4 27. Nxd6 Rd8 28. Nb7 Rd7 29. dxc6 Nxc6 30. Nxa5 Nxa5 31. Ne2 Ne6 32. Rxh7 Nxg5 33. R7h4 Nxf3 34. Rxf4 Nd2+ 35. Kc1 Nac4 36. c3 Ne5 37. Rfh4 Ndf3 38. R4h3 1/2-1/2

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.09"]
[Round "4"]
[White "Diaz, Ismael"]
[Black "Osorio, Martin"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "73"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bd3 c6 6. Be3 b5 7. a3 a5 8. b4 axb4 9. axb4 Rxa1 10. Qxa1 0-0 11. 0-0 Na6 12. Qb2 Bb7 13. Rb1 Qd7 14. h3 Ra8 15. Ra1 Nc7 16. Rxa8+ Bxa8 17. Qa3 Qc8 18. Qa7 Qb7 19. Qxb7 Bxb7 20. g4 d5 21. exd5 Nfxd5 22. Nxd5 Nxd5 23. Bd2 f6 24. c3 e5 25. Kf1 Nf4 26. Bxf4 exf4 27. Ke2 Kf7 28. c4 bxc4 29. Bxc4+ Ke7 30. Kd3 Kd6 31. g5 Bc8 32. gxf6 Bxf6 33. h4 Be6 34. Bxe6 Kxe6 35. Ng5+ Kd5 36. Nxh7 Bxd4 37. f3 1/2-1/2

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.08"]
[Round "3"]
[White "Herrero, Juan Luis"]
[Black "Osorio, Martin"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1327"]
[PlyCount "53"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h4 Bg7 5. Be2 Nc6 6. Be3 e5 7. d5 Ne7 8. g4 h6 9. g5 hxg5 10. Bxg5 Nh5 11. Qd2 f6 12. 0-0-0 a6 13. Be3 Nf4 14. Kb1 Nxe2 15. Ngxe2 Bg4 16. Rdg1 Bxe2 17. Qxe2 Rh5 18. f4 exf4 19. Bxf4 Qd7 20. Rxg6 Nxg6 21. Qxh5 Kf7 22. Rg1 Rh8 23. Qxg6+ Kf8 24. h5 Qf7 25. h6 Qxg6 26. Rxg6 Kf7 27. Rxg7+ 1-0

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.07"]
[Round "2"]
[White "Osorio, Martin"]
[Black "Estigarribia, Marcos"]
[Result "1/2-1/2"]
[ECO "B01"]
[BlackElo "1669"]
[PlyCount "49"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bg4 7. 0-0 Qc7 8. Qd3 e6 9. Ne4 Nbd7 10. Re1 0-0-0 11. Bd2 Bf5 12. Nfg5 Nb6 13. Ba5 h6 14. Bxb6 axb6 15. Nf3 Nxe4 16. Rxe4 g5 17. Qe3 Bg7 18. h3 Rd6 19. Ne5 Bxe4 20. Qxe4 c5 21. Nf3 e5 22. c3 cxd4 23. Bb3 dxc3 24. Rc1 Kb8 25. bxc3 1/2-1/2

[Event "Asuncion Prieto Memorial op"]
[Site "Asuncion"]
[Date "2011.01.06"]
[Round "1"]
[White "Osorio, Martin"]
[Black "Heinechen, John"]
[Result "0-1"]
[ECO "B44"]
[BlackElo "1788"]
[PlyCount "60"]
[EventDate "2011.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Be2 Nc6 4. d4 cxd4 5. Nxd4 Qb6 6. Nxc6 dxc6 7. 0-0 e5 8. a3 Nf6 9. Nc3 Be6 10. Qd3 Be7 11. Qg3 Qc7 12. Qxg7 Rg8 13. Qh6 0-0-0 14. Qe3 Kb8 15. Kh1 Rg6 16. b4 Rdg8 17. Rg1 Bg4 18. Rb1 b6 19. Na4 Bxe2 20. Qxe2 Ng4 21. f3 Nh6 22. Be3 f5 23. Bf2 fxe4 24. Qxe4 Nf7 25. Nc3 Ng5 26. Qe3 e4 27. Nxe4 Qxh2+ 28. Kxh2 Rh6+ 29. Kg3 Nh3+ 30. Kh2 Nf4+ 0-1

