[Event "Gualeguaychu Baggio Cup"]
[Site "Gualeguaychu"]
[Date "2019.11.10"]
[Round "6"]
[White "Presfraind, Augusto"]
[Black "Susco, Santiago"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1672"]
[BlackElo "1148"]
[PlyCount "65"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nc3 Nf6 6. Nf3 Bb4 7. Bd2 0-0 8. Be2 Bg4 9. a3 Bxc3 10. Bxc3 Ne4 11. Bb4 Re8 12. 0-0 Nd7 13. cxd5 cxd5 14. h3 Be6 15. Rc1 Rc8 16. Bd3 Ng5 17. Nxg5 Qxg5 18. Bd2 Qh4 19. Rxc8 Rxc8 20. Bb4 Nf6 21. Be7 Qg5 22. Qf3 Rc1 23. Bxf6 Rxf1+ 24. Bxf1 Qxf6 25. Qxf6 gxf6 26. Bd3 Kg7 27. Kh2 f5 28. Kg3 Kf6 29. Kf4 h6 30. h4 Ke7 31. Bxf5 Kf6 32. Bxe6 fxe6 33. g4 1-0

[Event "Gualeguaychu Baggio Cup"]
[Site "Gualeguaychu"]
[Date "2019.11.10"]
[Round "5"]
[White "Rivero, Ariel"]
[Black "Presfraind, Augusto"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "1795"]
[BlackElo "1672"]
[PlyCount "90"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. g3 f5 3. Bg2 d5 4. Nf3 Nf6 5. Bg5 Be7 6. Ne5 Nbd7 7. Nxd7 Bxd7 8. 0-0 0-0 9. Nd2 h6 10. Bf4 g5 11. Be5 Ng4 12. Nf3 Nxe5 13. Nxe5 Be8 14. e3 Bd6 15. f4 Bxe5 16. fxe5 Rb8 17. Qd2 Bg6 18. Rf2 b6 19. Raf1 Qe7 20. c3 c5 21. Qe2 Qh7 22. Qa6 cxd4 23. exd4 f4 24. Rd2 fxg3 25. hxg3 Rxf1+ 26. Qxf1 Rf8 27. Rf2 Rxf2 28. Qxf2 Qf7 29. g4 Qxf2+ 30. Kxf2 Bb1 31. a3 Ba2 32. Ke3 Bc4 33. Kd2 a5 34. b4 a4 35. Bf3 b5 36. Bd1 Kf8 37. Bc2 Ke7 38. Ke3 Kd8 39. Bg6 Ke7 40. Bh7 Kf8 41. Bg6 Ke7 42. Bc2 Kf7 43. Kf2 Ke7 44. Bd1 Kd7 45. Ke3 Ke7 1/2-1/2

[Event "Gualeguaychu Baggio Cup"]
[Site "Gualeguaychu"]
[Date "2019.11.09"]
[Round "3"]
[White "Presfraind, Augusto"]
[Black "Manevy, Jorge"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1672"]
[BlackElo "1499"]
[PlyCount "42"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 Nf6 4. e5 Nd5 5. Nf3 d6 6. c4 Nb6 7. exd6 Qxd6 8. d5 Ne5 9. Bf4 Nxf3+ 10. Qxf3 Qf6 11. Nc3 e5 12. dxe6 Bxe6 13. b3 Be7 14. Rd1 0-0 15. Be2 Rad8 16. 0-0 Rxd1 17. Rxd1 Rd8 18. Rxd8+ Bxd8 19. Bd6 Qd4 20. Qd3 Qxd3 21. Bxd3 Nd7 1/2-1/2

[Event "Gualeguaychu Baggio Cup"]
[Site "Gualeguaychu"]
[Date "2019.11.09"]
[Round "4"]
[White "Siebenlist, Daiana"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1078"]
[BlackElo "1672"]
[PlyCount "110"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Bf4 Nf6 4. e3 c6 5. Nc3 d5 6. a3 Be7 7. Be5 Nbd7 8. Nf3 0-0 9. Qc2 Ne4 10. Ne2 Qa5+ 11. Nc3 Bb4 12. Rc1 Bxc3+ 13. bxc3 Qxa3 14. cxd5 Nxe5 15. Nxe5 exd5 16. Bd3 Qe7 17. c4 dxc4 18. Bxc4+ Be6 19. 0-0 Kh8 20. f3 Bxc4 21. Nxc4 Nd6 22. Ne5 Rf6 23. e4 Nf7 24. Nxf7+ Qxf7 25. e5 Rh6 26. Rf2 f4 27. Qd2 Rf8 28. Qb4 Kg8 29. Rd2 Qh5 30. h3 Rg6 31. Qb3+ Kh8 32. Kf1 b5 33. Qa3 Rf7 34. Rc5 Qf5 35. e6 Qxe6 36. Re2 Qc8 37. Rce5 Rf8 38. Qxf8+ Qxf8 39. Re8 Kg8 40. Rxf8+ Kxf8 41. Ke1 a5 42. Kd2 Kf7 43. Kd3 Re6 44. Ra2 Re3+ 45. Kd2 a4 46. Rc2 Re6 47. Kc3 Ke7 48. Kb4 Kd6 49. Rc5 Re3 50. d5 Rb3+ 51. Ka5 Kxc5 52. dxc6 Kxc6 53. Ka6 a3 54. Ka7 Kc7 55. g4 a2 0-1

[Event "Gualeguaychu Baggio Cup"]
[Site "Gualeguaychu"]
[Date "2019.11.08"]
[Round "2"]
[White "Buela, Cristian"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1672"]
[PlyCount "58"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Bb5 7. 0-0 Nc6 8. Be3 Bxe2 9. Qxe2 Nh6 10. dxc5 Bxc5 11. Bxc5 Qxc5 12. Na3 0-0 13. Nb5 Nf5 14. Rfd1 a6 15. Nbd4 Ncxd4 16. cxd4 Qb6 17. Rac1 Rac8 18. Qd2 h6 19. g4 Ne7 20. g5 h5 21. Nh4 g6 22. Kg2 Rc6 23. Qf4 Qxb2 24. Rb1 Qc2 25. Rdc1 Qxa2 26. Rxb7 Rxc1 27. Rxe7 Qc2 28. Qf6 Qe4+ 29. f3 Qxh4 0-1

[Event "Gualeguaychu Baggio Cup"]
[Site "Gualeguaychu"]
[Date "2019.11.08"]
[Round "1"]
[White "Presfraind, Augusto"]
[Black "Avendano, Gaston"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1672"]
[BlackElo "1900"]
[PlyCount "110"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 Bf5 6. d3 c6 7. 0-0 e6 8. Bf4 Nbd7 9. a3 Be7 10. Re1 0-0 11. Nh4 Bg6 12. Nxg6 hxg6 13. d4 Nd5 14. Nxd5 cxd5 15. b4 Qa4 16. c4 Qxd1 17. Raxd1 dxc4 18. Bxc4 Nb6 19. Bb3 Bf6 20. Be5 Rfd8 21. Bxf6 gxf6 22. Re2 Rac8 23. g3 Nd5 24. Rd3 Kf8 25. Kg2 Ke7 26. Rc2 Rxc2 27. Bxc2 Rc8 28. Bb3 Kd6 29. Kf3 g5 30. Kg4 Rg8 31. h4 f5+ 32. Kh3 gxh4 33. Kxh4 f6 34. Kh3 Rc8 35. Kg2 Rc3 36. Rxc3 Nxc3 37. f4 Ne2 38. d5 exd5 39. Kf2 Nd4 40. Bd1 Nb5 41. a4 Nc3 42. Bb3 Ne4+ 43. Kg2 a5 44. bxa5 Kc5 45. Bc2 Kb4 46. a6 bxa6 47. Kf3 Kc3 48. Bd1 a5 49. Be2 Nd2+ 50. Kf2 d4 51. g4 d3 52. Bd1 fxg4 53. Bxg4 Kc2 54. Ke1 Nc4 55. Bd1+ Kc1 0-1

[Event "San Salvador op"]
[Site "San Salvador"]
[Date "2019.06.23"]
[Round "6"]
[White "Presfraind, Augusto"]
[Black "Gonzalez, Alejandro1111"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1675"]
[BlackElo "1474"]
[PlyCount "75"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e6 5. d3 Ne7 6. Nge2 Nbc6 7. Be3 a6 8. 0-0 0-0 9. Qd2 f5 10. Bh6 Ne5 11. Bxg7 Kxg7 12. exf5 Nxf5 13. Rae1 c6 14. f4 Ng4 15. Nd1 Qb6+ 16. Kh1 h5 17. d4 h4 18. h3 Nf6 19. g4 Ne7 20. Ng1 Nfd5 21. c4 Qb4 22. Qc1 Nxf4 23. a3 Qa5 24. b4 Qg5 25. Ne2 Qh6 26. Nxf4 g5 27. Nh5+ Kg8 28. Rxf8+ Kxf8 29. Rf1+ Ke8 30. Nf6+ Kd8 31. Ne4 d5 32. Qxg5 Qxg5 33. Nxg5 dxc4 34. Nf3 Kc7 35. Ne5 b5 36. Rf7 Kd6 37. Nc3 Nd5 38. Ne4# 1-0

[Event "San Salvador op"]
[Site "San Salvador"]
[Date "2019.06.23"]
[Round "5"]
[White "Yujnovsky, German"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "1606"]
[BlackElo "1675"]
[PlyCount "40"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 a6 6. a3 Bxc3 7. Bxc3 cxd4 8. Qxd4 Ne7 9. Nf3 Bd7 10. Bd3 Bb5 11. Bxb5+ axb5 12. 0-0 Qd7 13. Rae1 0-0 14. Qd3 Nbc6 15. Ng5 Ng6 16. h4 h6 17. h5 hxg5 18. hxg6 Ne7 19. Bb4 Rac8 20. Bc3 Rc4 1-0

[Event "San Salvador op"]
[Site "San Salvador"]
[Date "2019.06.22"]
[Round "3"]
[White "Manzone, Alessandro Jr"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2393"]
[BlackElo "1675"]
[PlyCount "90"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 d6 4. Bg2 g6 5. 0-0 Bg7 6. b3 0-0 7. Bb2 c6 8. Nbd2 Nbd7 9. c4 Qe8 10. Ba3 h6 11. Qc2 Qf7 12. Rae1 Re8 13. e4 fxe4 14. Nxe4 Nxe4 15. Rxe4 Nf6 16. Re2 Bf5 17. Qd2 Ne4 18. Qe3 Nf6 19. Rfe1 g5 20. Bb2 Rad8 21. h3 Rd7 22. Nd2 Qg6 23. Nf3 Qf7 24. Qc1 Rc7 25. Re3 e6 26. g4 Bh7 27. R1e2 Nd7 28. Nd2 Nf8 29. Be4 d5 30. Rf3 Qd7 31. Bxh7+ Nxh7 32. Qc2 Nf8 33. c5 Qc8 34. Nf1 Ree7 35. Ng3 Rf7 36. Rfe3 Rce7 37. Nh5 Bh8 38. Re1 Qc7 39. Qd3 Qa5 40. a3 Qc7 41. R1e2 Qc8 42. b4 a6 43. Bc3 Qd8 44. f3 Qc7 45. Be1 e5 1-0

[Event "San Salvador op"]
[Site "San Salvador"]
[Date "2019.06.22"]
[Round "4"]
[White "Presfraind, Augusto"]
[Black "Candarle, Daniel"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1675"]
[BlackElo "1545"]
[PlyCount "63"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. f4 d6 7. Nf3 a6 8. 0-0 0-0 9. h3 Re8 10. g4 h6 11. Qe1 e6 12. Qf2 Nd7 13. f5 exf5 14. gxf5 Kh7 15. Nh4 Bd4 16. fxg6+ fxg6 17. Be3 Rf8 18. Nf3 Nde5 19. Bxd4 Nxd4 20. Qg3 Nexf3+ 21. Bxf3 Nxc2 22. Rac1 Nd4 23. Bg4 Bxg4 24. Qxg4 h5 25. Rxf8 Qxf8 26. Qd7+ Kh6 27. Rf1 Qd8 28. Qf7 Qg5+ 29. Kh2 Qd2+ 30. Rf2 Qxd3 31. Qf4+ Kh7 32. Qf7+ 1/2-1/2

[Event "San Salvador op"]
[Site "San Salvador"]
[Date "2019.06.21"]
[Round "2"]
[White "Presfraind, Augusto"]
[Black "Garrott, Jean Franco"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1675"]
[PlyCount "91"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 a6 4. Bg2 e5 5. d3 Nf6 6. f4 exf4 7. Bxf4 d6 8. Nf3 g6 9. 0-0 Bg7 10. Nd2 0-0 11. Nc4 Ne8 12. a4 a5 13. Nb5 Ne5 14. c3 Ra6 15. Nxe5 dxe5 16. Be3 b6 17. Qc2 Nd6 18. Nxd6 Qxd6 19. Rad1 Bd7 20. Rf2 Qc6 21. b3 b5 22. axb5 Qxb5 23. Bf1 Rb6 24. Rb1 Rfb8 25. d4 c4 26. Bxc4 Qc6 27. Bxf7+ Kh8 28. d5 Qb7 29. Bxb6 Qxb6 30. Kg2 a4 31. b4 a3 32. Ra1 Rf8 33. Rxa3 Be8 34. Bxe8 Rxe8 35. Rf7 Rf8 36. Rxf8+ Bxf8 37. Qf2 Bxb4 38. Qxb6 Bxa3 39. Qb8+ Kg7 40. Qa7+ Kh6 41. Qxa3 g5 42. d6 g4 43. d7 Kg5 44. d8Q+ Kh6 45. Qad6+ Kh5 46. Qh4# 1-0

[Event "San Salvador op"]
[Site "San Salvador"]
[Date "2019.06.21"]
[Round "1"]
[White "Sarli, Nestor Luis"]
[Black "Presfraind, Augusto"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1675"]
[PlyCount "77"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Be2 Bd6 6. Nc3 Bf5 7. Bg5 c6 8. Qd2 Nbd7 9. h3 h6 10. Be3 Qc7 11. 0-0-0 0-0-0 12. g4 Ne4 13. Nxe4 Bxe4 14. Rhg1 g5 15. Ne1 Nf8 16. f3 Bh7 17. Bd3 Re8 18. Ng2 Bxd3 19. Qxd3 Ng6 20. Kb1 Nf4 21. Nxf4 Bxf4 22. Rge1 Kb8 23. c3 Bg3 24. Re2 Re6 25. Bf2 Bxf2 26. Rxf2 Qg3 27. Re2 Qxh3 28. Rxe6 fxe6 29. Qe3 Re8 30. Qe5+ Kc8 31. Rd3 Qh1+ 32. Kc2 Qg2+ 33. Kb3 Qf1 34. Kc2 Qf2+ 35. Kc1 Qf1+ 36. Kc2 Qg2+ 37. Kc1 Qh1+ 38. Kc2 Kd7 39. Re3 1/2-1/2

[Event "Concepcion del Uruguay op"]
[Site "Concepcion del Uruguay"]
[Date "2019.05.03"]
[Round "2"]
[White "Mosconi, Ariel Oscar"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2074"]
[BlackElo "1675"]
[PlyCount "47"]
[EventDate "2019.05.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 c5 7. d4 cxd4 8. Nxd4 a6 9. Nc3 Qc7 10. 0-0 Nc6 11. Rc1 e5 12. Nd5 Nxd5 13. cxd5 exd4 14. dxc6 b5 15. Bxd4 Bxd4 16. Qxd4 Be6 17. Rfd1 Rfd8 18. h4 Rac8 19. h5 gxh5 20. Qf6 Bg4 21. Rd5 Kf8 22. Rg5 Re8 23. Bd5 Re5 24. Qg7+ 1-0

[Event "ARG-ch U16"]
[Site "Buenos Aires"]
[Date "2019.03.05"]
[Round "9.5"]
[White "Villarreal, Agustin"]
[Black "Presfraind, Augusto"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1949"]
[BlackElo "1600"]
[PlyCount "74"]
[EventDate "2019.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 d5 5. g3 c6 6. Bg2 Be7 7. Bf4 0-0 8. Ne5 Nbd7 9. e3 Nxe5 10. Bxe5 Bd7 11. Qb3 b6 12. 0-0 Ne4 13. Nxe4 fxe4 14. cxd5 cxd5 15. f3 exf3 16. Bxf3 Qe8 17. e4 Ba4 18. Qe3 dxe4 19. Qxe4 Rc8 20. Rac1 Bb5 21. Rxc8 Qxc8 22. Re1 Bb4 23. Rd1 Qe8 24. a3 Be7 25. Bg4 Bc4 26. Bf4 Qd7 27. Re1 Rf6 28. Rc1 Bd5 29. Qe5 Bd8 30. Bg5 Rg6 31. Bxd8 Qxd8 32. Be2 Rf6 33. Bd3 Qf8 34. Qe2 Qd6 35. Rc8+ Rf8 36. Rc3 Bc6 37. Qe5 Qd5 1/2-1/2

[Event "ARG-ch U16"]
[Site "Buenos Aires"]
[Date "2019.03.03"]
[Round "5.4"]
[White "Hakanson, Ian"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1773"]
[BlackElo "1600"]
[PlyCount "53"]
[EventDate "2019.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Nbd2 Na5 8. g3 Bd7 9. h4 Nh6 10. Bh3 Be7 11. Rb1 0-0-0 12. 0-0 Rdf8 13. Ne1 f5 14. exf6 Bxf6 15. Nef3 Nf7 16. b3 Qc7 17. bxc4 Nxc4 18. Nb3 b6 19. Nbd2 Nfd6 20. Re1 Re8 21. Ne5 Bxe5 22. dxe5 Nb5 23. Nxc4 Qxc4 24. Bf1 Qc5 25. Be3 Nxc3 26. Qd3 Qc4 27. Rbc1 1-0

[Event "ARG-ch U16"]
[Site "Buenos Aires"]
[Date "2019.03.02"]
[Round "3.5"]
[White "Ibarra, Juan Martin"]
[Black "Presfraind, Augusto"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1981"]
[BlackElo "1600"]
[PlyCount "56"]
[EventDate "2019.03.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qb1 c4 9. Nf3 Nc6 10. Be2 b6 11. 0-0 Bd7 12. Qb2 0-0-0 13. Rfb1 Nge7 14. Qc1 Kb8 15. Ng5 Rdf8 16. f4 f6 17. Nf3 Ka8 18. Rb2 Be8 19. Qe1 Bg6 20. Bd1 Be4 21. Nh4 f5 22. Nf3 h6 23. Be3 Bxf3 24. Bxf3 Rfg8 25. Qd2 g6 26. h4 h5 27. Qc1 Rg7 28. Bd2 Ng8 1/2-1/2

[Event "ARG-ch sf Cup"]
[Site "Villaguay/Entre Rios"]
[Date "2018.12.16"]
[Round "6.8"]
[White "De Battista, Federico"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1892"]
[BlackElo "1487"]
[PlyCount "49"]
[EventDate "2018.12.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nc3 Nf6 6. Nf3 h6 7. cxd5 cxd5 8. Bb5+ Bd7 9. 0-0 Be7 10. Qb3 a6 11. Bxd7+ Qxd7 12. Ne5 Qc7 13. Bf4 Bd6 14. Rac1 Nc6 15. Nxd5 Nxd5 16. Qxd5 0-0 17. Rfe1 Rad8 18. Qb3 Nxd4 19. Qg3 Qb8 20. Bxh6 Nf5 21. Qh3 Bxe5 22. Qxf5 Bxh2+ 23. Kh1 gxh6 24. Rc4 Bc7 25. Rg4+ 1-0

[Event "ARG-ch sf Cup"]
[Site "Villaguay/Entre Rios"]
[Date "2018.12.16"]
[Round "5.4"]
[White "Presfraind, Augusto"]
[Black "Abdenur, Luciano"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1487"]
[BlackElo "2002"]
[PlyCount "70"]
[EventDate "2018.12.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Ng1 Nf6 6. Ne2 d5 7. 0-0 Bxf5 8. Nd4 Bd7 9. Nxc6 bxc6 10. Be2 Bd6 11. d3 0-0 12. Nc3 Qe8 13. dxe4 Nxe4 14. Nxe4 Qxe4 15. Bf3 Qe5 16. g3 Bh3 17. Bg2 Bxg2 18. Kxg2 Rae8 19. c3 Qe2 20. Qxe2 Rxe2 21. b4 Be5 22. a3 Bxc3 23. Rb1 Bd4 24. Bf4 h6 25. Rbd1 Bb6 26. Rd2 Rfe8 27. Kf3 Rxd2 28. Bxd2 Re6 29. Kg2 Re2 30. Bc1 Rc2 31. Kf3 Bxf2 32. Rxf2 Rxc1 33. Re2 Kf7 34. Re3 c5 35. h3 c4 0-1

[Event "ARG-ch sf Cup"]
[Site "Villaguay/Entre Rios"]
[Date "2018.12.15"]
[Round "3.13"]
[White "Cantero Cochia, Alejandro"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1784"]
[BlackElo "1487"]
[PlyCount "150"]
[EventDate "2018.12.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Nbd2 Na5 8. b4 Nc6 9. Be2 Bd7 10. h4 0-0-0 11. a4 f5 12. Ng5 Nh6 13. Ba3 Kb8 14. Qb1 a5 15. b5 Na7 16. Qb2 Nc8 17. f4 Qc7 18. Nf1 Nb6 19. Bd1 Bc8 20. Ne3 Nf7 21. g4 Nxg5 22. hxg5 g6 23. gxf5 exf5 24. Bxf8 Rdxf8 25. Rh6 Rf7 26. Qh2 Re8 27. Bf3 Be6 28. Qa2 Qe7 29. 0-0-0 Rd8 30. Rdh1 Rd7 31. Bd1 Rg7 32. Kb2 Ka7 33. Qa3 Qxa3+ 34. Kxa3 Rge7 35. Bc2 Rg7 36. R1h4 Nc8 37. Nxf5 Bxf5 38. Bxf5 gxf5 39. Rf6 Ne7 40. e6 Rd8 41. Rf7 Rdg8 42. Rxh7 Rxh7 43. Rxh7 Ng6 44. Rf7 Nxf4 45. Rf6 Re8 46. Rxf5 Nxe6 47. g6 Rg8 48. Rf6 Ng5 49. Rf5 Rxg6 50. Rxd5 Ne4 51. Re5 Nxc3 52. Rc5 Rg3 53. Rxc4 Nxb5+ 54. Kb2 Nd6 55. Rc5 Kb6 56. Rd5 Kc6 57. Rc5+ Kd7 58. Ka2 b6 59. Re5 Rg4 60. Rh5 Rxd4 61. Kb3 Rb4+ 62. Ka3 Nc4+ 63. Ka2 Rxa4+ 64. Kb3 Rb4+ 65. Kc3 Nd6 66. Rh7+ Kc6 67. Rh6 b5 68. Rg6 Rc4+ 69. Kb3 a4+ 70. Ka3 Kc5 71. Rg5+ Kd4 72. Rg4+ Ne4 73. Rh4 Rc3+ 74. Kb2 b4 75. Rh8 a3+ 0-1

[Event "ARG-ch sf Cup"]
[Site "Villaguay/Entre Rios"]
[Date "2018.12.15"]
[Round "4.9"]
[White "Presfraind, Augusto"]
[Black "Barreira Vesco, Ulises"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1487"]
[BlackElo "1797"]
[PlyCount "108"]
[EventDate "2018.12.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. f4 Nf6 7. Nf3 Bg4 8. h3 Bxf3 9. Qxf3 Nd4 10. Qf2 Nd7 11. 0-0 0-0 12. Nd1 Rb8 13. c3 Nc6 14. g4 b5 15. h4 b4 16. c4 Nd4 17. Rb1 a5 18. Kh1 Nf6 19. Ne3 a4 20. Bh3 e6 21. Qg2 Nd7 22. h5 Kh8 23. hxg6 fxg6 24. f5 Qh4 25. Bd2 gxf5 26. exf5 exf5 27. Nxf5 Nxf5 28. gxf5 Be5 29. Qg4 Qf6 30. b3 Rg8 31. Qh5 axb3 32. axb3 Bd4 33. Bg2 Ne5 34. Be4 Rg3 35. Bf4 Rg7 36. Rbd1 Rbg8 37. Bd5 Rc8 38. Rd2 Rb8 39. Bh6 Rg4 40. Rh2 Rd8 41. Bg5 Qg7 42. f6 Qg6 43. Qxg6 Nxg6 44. Bh6 Nf8 45. Bg7+ Rxg7 46. fxg7+ Kxg7 47. Rg2+ Ng6 48. Rf7+ Kh8 49. Rh2 Nf8 50. Rg2 Re8 51. Kh2 Ng6 52. Rgf2 Bg7 53. Be4 Ne5 54. Rb7 Rd8 1-0

[Event "ARG-ch sf Cup"]
[Site "Villaguay/Entre Rios"]
[Date "2018.12.14"]
[Round "1.5"]
[White "Arbuello, Diego"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1971"]
[BlackElo "1487"]
[PlyCount "83"]
[EventDate "2018.12.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. g3 Nf6 4. Bg2 Be7 5. d3 0-0 6. Qe2 b6 7. e5 Nfd7 8. f4 Bb7 9. Nf3 a6 10. 0-0 c5 11. Bd2 Nc6 12. Rae1 Qc7 13. Bc1 b5 14. g4 Nd4 15. Qf2 Qd8 16. Nd1 Rb8 17. Nxd4 cxd4 18. Re2 Qc7 19. b3 Bc5 20. Qh4 Qd8 21. g5 Re8 22. Nf2 Nf8 23. Ng4 Ng6 24. Qh5 h6 25. Rf3 Ne7 26. gxh6 g6 27. Nf6+ Kh8 28. Qg5 Nf5 29. Nxe8 Qxg5 30. fxg5 Rxe8 31. Rf4 Rc8 32. Bh3 Rc6 33. Bxf5 exf5 34. Bb2 Re6 35. Bxd4 Be7 36. h4 Kh7 37. Bf2 Kg8 38. a4 b4 39. a5 Rc6 40. Be1 d4 41. Kf1 Bc5 42. Kf2 1-0

[Event "ARG-ch sf Cup"]
[Site "Villaguay/Entre Rios"]
[Date "2018.12.14"]
[Round "2.18"]
[White "Presfraind, Augusto"]
[Black "Perrone, Florencia"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1487"]
[PlyCount "115"]
[EventDate "2018.12.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. d3 g6 7. 0-0 Bg7 8. c3 0-0 9. Re1 Qe7 10. Nbd2 Bb7 11. Nf1 Rad8 12. Bg5 a5 13. a4 h6 14. Bh4 b4 15. Ne3 Rc8 16. Qd2 Qd8 17. Nd5 Nxd5 18. Bxd5 Ba6 19. Bg3 d6 20. Nh4 Ne7 21. Ba2 Rb8 22. f4 b3 23. Bb1 Qd7 24. fxe5 dxe5 25. Nf3 f6 26. Ra3 Bc8 27. c4 Qe8 28. Qxa5 Rb6 29. Qc3 Bd7 30. a5 Rd6 31. Qxb3 Nc6 32. Qc3 Nd4 33. Nxd4 exd4 34. Qd2 Rc6 35. b4 Re6 36. Bxc7 Bc6 37. b5 Rf7 38. Bb6 Ba8 39. Bxd4 Rd7 40. Qb2 Red6 41. Bc3 f5 42. exf5 Qxe1+ 43. Bxe1 Bxb2 44. Rb3 Bd4+ 45. Bf2 gxf5 46. Bxd4 Rxd4 47. c5 Rg7 48. c6 f4 49. Ba2 Kh7 50. Rb2 f3 51. g3 Rg6 52. c7 Bb7 53. a6 Bc8 54. b6 Rf6 55. Kf2 Rxd3 56. b7 Bxb7 57. axb7 Rfd6 58. Bb1 1-0

[Event "Gualeguaychu Benvenaste Memorial"]
[Site "Gualeguaychu"]
[Date "2018.11.11"]
[Round "4.5"]
[White "Amarillo, Leonardo"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "A80"]
[BlackElo "1441"]
[PlyCount "64"]
[EventDate "2018.11.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. Nc3 g6 4. h3 Bg7 5. e3 0-0 6. Bc4+ Kh8 7. a3 d6 8. Nge2 Nc6 9. Ba2 a6 10. 0-0 Qe8 11. d5 Ne5 12. Nd4 h6 13. Ne6 Bxe6 14. dxe6 c6 15. Re1 g5 16. Bh2 Qg6 17. f4 gxf4 18. exf4 Neg4 19. Bg3 Nh5 20. Qf3 Bd4+ 21. Kf1 Nxg3+ 22. Qxg3 Bf2 23. Qd3 Bxe1 24. Rxe1 Nf6 25. Re3 Rg8 26. Ne2 Qxg2+ 27. Ke1 Qh1+ 28. Kd2 Ne4+ 29. Rxe4 Qxe4 30. Qc3+ Kh7 31. Ng3 Qxf4+ 32. Kd1 Rxg3 0-1

[Event "Gualeguaychu Benvenaste Memorial"]
[Site "Gualeguaychu"]
[Date "2018.11.11"]
[Round "5.3"]
[White "Presfraind, Augusto"]
[Black "Ledesma, Israel"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1441"]
[BlackElo "1872"]
[PlyCount "54"]
[EventDate "2018.11.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 cxd4 6. Qxd4 Nf6 7. Bg2 Nc6 8. Qd1 d4 9. Ne4 Bb4+ 10. Bd2 Nxe4 11. Bxe4 Qe7 12. Qe2 Bxd2+ 13. Kxd2 Qb4+ 14. Kc1 0-0 15. Qd2 Re8 16. Qxb4 Nxb4 17. Bf3 Re1+ 18. Bd1 Bh3 19. Nxh3 Rxh1 20. Nf4 Re8 21. a3 Ree1 22. Kd2 g5 23. Ne2 d3 24. cxd3 Nxd3 25. Kxd3 Rxd1+ 26. Rxd1 Rxd1+ 27. Kc2 Rh1 0-1

[Event "Gualeguaychu Benvenaste Memorial"]
[Site "Gualeguaychu"]
[Date "2018.11.10"]
[Round "2.6"]
[White "Broggi, Brian Leonel"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1479"]
[BlackElo "1441"]
[PlyCount "104"]
[EventDate "2018.11.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. Ndf3 Nc6 8. Ne2 Rd8 9. Bg5 f6 10. Be3 cxd4 11. Nexd4 Nxd4 12. Nxd4 e5 13. Nf3 Qxd1+ 14. Rxd1 Rxd1+ 15. Kxd1 b6 16. Kc1 Ne7 17. Rd1 Nf5 18. Bd2 Bc5 19. Be1 Ke7 20. b4 Bd6 21. a4 a6 22. Kb2 Rc8 23. Kb3 Ke6 24. c4 Be7 25. g4 Nd6 26. Rc1 Ne4 27. Nd2 Nxd2+ 28. Bxd2 Rd8 29. Bc3 Rd3 30. Re1 Rf3 31. Re2 Rf4 32. g5 Bd6 33. gxf6 gxf6 34. a5 bxa5 35. b5 axb5 36. cxb5 a4+ 37. Ka2 Bc5 38. Ba5 Rxf2 39. Rxf2 Bxf2 40. b6 Bxb6 41. Bxb6 Kd5 42. Ka3 f5 43. Kxa4 Kc4 44. Bc7 e4 45. Bf4 Kd3 46. Kb5 e3 47. Kc6 e2 48. Bg3 f4 49. Be1 f3 50. Kd5 Ke3 51. Bb4 f2 52. Bc5+ Kf3 0-1

[Event "Gualeguaychu Benvenaste Memorial"]
[Site "Gualeguaychu"]
[Date "2018.11.10"]
[Round "1.2"]
[White "Presfraind, Augusto"]
[Black "Avendano, Gaston"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1441"]
[BlackElo "1907"]
[PlyCount "112"]
[EventDate "2018.11.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 Qb6 6. Nf3 Bg4 7. Be2 c6 8. Na4 Qc7 9. c3 Nbd7 10. Qc2 e6 11. b3 Be7 12. Nb2 0-0 13. 0-0 e5 14. Rfe1 exd4 15. Nxd4 Bd6 16. h3 Bxe2 17. Rxe2 Rfe8 18. Rae1 Bf8 19. Nd3 Rxe2 20. Rxe2 Re8 21. Bf4 Rxe2 22. Qxe2 Qa5 23. b4 Qd5 24. f3 Qc4 25. Qc2 Nd5 26. Bd2 c5 27. bxc5 Nxc5 28. Ne5 Qa6 29. Kh1 Qf1+ 30. Kh2 g6 31. Qc1 Qxc1 32. Bxc1 Nxc3 33. a3 Bd6 34. f4 Bxe5 35. fxe5 Nd3 36. e6 fxe6 37. Be3 e5 38. Ne6 a6 39. Bh6 b5 40. Kg3 Nb1 41. Nc7 Nxa3 42. Nxa6 b4 43. Bd2 e4 44. Nxb4 Nc4 45. Bc3 Kf7 46. Nxd3 exd3 47. Kf3 Ke6 48. g4 Kd5 49. h4 d2 50. Bxd2 Nxd2+ 51. Kf4 Ke6 52. Kg5 Nf3+ 53. Kh6 Nxh4 54. Kxh7 Kf6 55. Kh6 Nf3 56. g5+ Nxg5 1/2-1/2

[Event "Gualeguaychu Benvenaste Memorial"]
[Site "Gualeguaychu"]
[Date "2018.11.10"]
[Round "3.3"]
[White "Presfraind, Augusto"]
[Black "Viera, Cristian"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1441"]
[BlackElo "1638"]
[PlyCount "88"]
[EventDate "2018.11.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. f4 d6 7. Nf3 0-0 8. 0-0 Rb8 9. h3 b5 10. g4 b4 11. Ne2 Qc7 12. Qe1 Rd8 13. f5 Ne5 14. Nf4 Nxf3+ 15. Bxf3 g5 16. Ne2 h6 17. h4 Nh7 18. hxg5 Nxg5 19. Qh4 f6 20. Nf4 c4 21. Nd5 Qd7 22. dxc4 a5 23. Kg2 e6 24. Nf4 exf5 25. exf5 Bb7 26. Bd5+ Bxd5+ 27. Nxd5 Re8 28. Bf4 Qc6 29. b3 Qc5 30. Qf2 Qxf2+ 31. Rxf2 Re4 32. Rd1 Rbe8 33. Rd3 Re2 34. Re3 R8xe3 35. Bxe3 Re1 36. Bxg5 fxg5 37. f6 Bf8 38. c3 bxc3 39. Nxc3 Kf7 40. Nd5 Re4 41. Kf3 Rd4 42. Re2 Rd3+ 43. Kg2 Rd4 44. Kf3 Rd3+ 1/2-1/2

[Event "Concepcion del Uruguay U2200"]
[Site "Concepcion del Uruguay"]
[Date "2018.08.19"]
[Round "5.9"]
[White "Hernandez, Mario"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1687"]
[BlackElo "1453"]
[PlyCount "69"]
[EventDate "2018.08.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Nf3 0-0 6. e3 d6 7. Be2 Nc6 8. h4 h5 9. d5 Ne5 10. Nd4 a6 11. Qb3 Qe8 12. Qc2 Rb8 13. 0-0 Qf7 14. b4 c6 15. Bxf6 Bxf6 16. g3 Qg7 17. f4 Nd7 18. Ne6 Qh8 19. Nxf8 Kxf8 20. Rac1 c5 21. a3 b6 22. Bd3 Kg8 23. Ne2 Bb2 24. Rb1 Bxa3 25. b5 a5 26. e4 fxe4 27. Bxe4 Nf8 28. Rb3 Bb4 29. f5 gxf5 30. Bxf5 Bxf5 31. Rxf5 Nd7 32. Rbf3 Qh7 33. Rg5+ Kh8 34. Qb2+ Ne5 35. Rxe5 1-0

[Event "Concepcion del Uruguay U2200"]
[Site "Concepcion del Uruguay"]
[Date "2018.08.18"]
[Round "2.11"]
[White "Larrosa, Carlos"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1589"]
[BlackElo "1453"]
[PlyCount "45"]
[EventDate "2018.08.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 c6 5. Be2 Nf6 6. 0-0 Bd6 7. c4 dxc4 8. Bxc4 0-0 9. Bg5 Bg4 10. Qd3 Nbd7 11. Nc3 h6 12. Bh4 Qc7 13. Bg3 Nb6 14. Bb3 Rad8 15. Ne5 a6 16. Nxg4 Nxg4 17. Rad1 Bxg3 18. fxg3 Nf6 19. Rxf6 gxf6 20. Qg6+ Kh8 21. Qxh6+ Kg8 22. Bc2 f5 23. Qg5+ 1-0

[Event "Concepcion del Uruguay U2200"]
[Site "Concepcion del Uruguay"]
[Date "2018.08.18"]
[Round "1.6"]
[White "Presfraind, Augusto"]
[Black "Avendano, Gaston"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1453"]
[BlackElo "1917"]
[PlyCount "84"]
[EventDate "2018.08.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. g3 Bd6 5. Bg2 Nf6 6. Ngf3 0-0 7. 0-0 Qb6 8. h3 Nbd7 9. Re1 Bc5 10. Re2 Nh5 11. Kf1 Qc7 12. Nb3 Be7 13. Qe1 d4 14. c3 c5 15. Bd2 a5 16. cxd4 a4 17. Nxc5 Bxc5 18. dxc5 Nxc5 19. Rc1 b6 20. Bb4 Ba6 21. Bxc5 bxc5 22. Qc3 f6 23. Rd2 Rac8 24. Qa3 Rfd8 25. Ne1 Qb6 26. Rdc2 c4 27. dxc4 Rd4 28. b3 axb3 29. axb3 Rb8 30. Bf3 g6 31. Bxh5 gxh5 32. f3 Bc8 33. g4 Qxb3 34. Qxb3 Rxb3 35. Kf2 hxg4 36. hxg4 h5 37. gxh5 f5 38. exf5 Bxf5 39. Rc3 Rb2+ 40. Kg3 Rb6 41. Ng2 Rb7 42. c5 Rg7+ 0-1

[Event "Concepcion del Uruguay U2200"]
[Site "Concepcion del Uruguay"]
[Date "2018.08.18"]
[Round "3.10"]
[White "Presfraind, Augusto"]
[Black "Rebot, Alejandro"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1453"]
[BlackElo "1694"]
[PlyCount "90"]
[EventDate "2018.08.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 Nf6 6. Ngf3 dxe4 7. dxe4 Qc7 8. 0-0 Be7 9. Re1 Ng4 10. Nc4 b5 11. Ncd2 Bb7 12. h3 Nge5 13. Nxe5 Nxe5 14. f4 Nc6 15. Nf3 Rd8 16. Qe2 a6 17. e5 Nd4 18. Qf2 Nxf3+ 19. Bxf3 0-0 20. Be3 Bxf3 21. Qxf3 Rd5 22. Red1 Rfd8 23. Rxd5 Rxd5 24. Rd1 Qd7 25. Rxd5 Qxd5 26. Qxd5 exd5 27. c3 Kf8 28. Kf2 Ke8 29. Ke2 Kd7 30. Kd3 Kc6 31. Bd2 a5 32. Be3 c4+ 33. Kd2 b4 34. b3 Kb5 35. Bd4 g6 36. Kc2 Bc5 37. g4 Bxd4 38. cxd4 c3 39. f5 Kc6 40. f6 Kd7 41. g5 Ke6 42. h4 Kf5 43. a3 Ke6 44. axb4 axb4 45. Kd3 Kf5 1/2-1/2

[Event "Gualeguaychu U1700"]
[Site "Gualeguaychu"]
[Date "2018.05.13"]
[Round "5.2"]
[White "Presfraind, Augusto"]
[Black "Nardi, Hector Fernando"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1430"]
[BlackElo "1475"]
[PlyCount "36"]
[EventDate "2018.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. h3 Nf6 4. Nc3 Nc6 5. Bc4 Be7 6. 0-0 0-0 7. d3 Nd4 8. Nxd4 exd4 9. Nd5 Nxd5 10. Bxd5 c6 11. Bb3 a5 12. a4 Be6 13. Bxe6 fxe6 14. Bd2 Qe8 15. Qe1 b6 16. f4 Qh5 17. Qg3 Rf6 18. Qg4 Qxg4 1/2-1/2

[Event "Gualeguaychu U1700"]
[Site "Gualeguaychu"]
[Date "2018.05.13"]
[Round "4.4"]
[White "Stabilito, Francisco"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "A80"]
[BlackElo "1430"]
[PlyCount "86"]
[EventDate "2018.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. Nf3 d6 6. Bc4 h6 7. Nh4 d5 8. Nxg6 dxc4 9. Nxh8 Bxh8 10. Nd2 Be6 11. Nxc4 Nc6 12. 0-0 Qd7 13. d5 Bxd5 14. Bxf6 Bxf6 15. Qh5+ Bf7 16. Rad1 Bxh5 17. Rxd7 Kxd7 18. f3 Rg8 19. Nd2 Nb4 20. Rd1 Kc8 21. Kf2 Nxc2 22. Nc4 Nb4 23. a3 Nc6 24. Rd5 e6 25. Rb5 a6 26. Rc5 Be7 27. Nd6+ Bxd6 28. Rc4 Bf7 29. h3 Bxa3 30. Rxc6 bxc6 31. g4 fxg4 32. hxg4 e5 33. b4 Bxb4 34. g5 Rxg5 35. f4 exf4 36. exf4 Rg8 37. f5 h5 38. Ke3 h4 39. f6 h3 40. Kf4 h2 41. Ke4 h1Q+ 42. Ke5 Bc3+ 43. Kf5 Qf3# 0-1

[Event "Gualeguaychu U1700"]
[Site "Gualeguaychu"]
[Date "2018.05.12"]
[Round "2.1"]
[White "Aguer, Sol"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1672"]
[BlackElo "1430"]
[PlyCount "86"]
[EventDate "2018.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Qc2 Bg7 5. Nf3 0-0 6. e3 d6 7. Bd3 Nc6 8. a3 e5 9. dxe5 dxe5 10. e4 f4 11. h3 h6 12. Bd2 g5 13. 0-0-0 a6 14. Nd5 Re8 15. Be2 Nb8 16. Nxf6+ Qxf6 17. h4 g4 18. Nh2 h5 19. f3 g3 20. Nf1 Nc6 21. Bc3 Qf7 22. Nd2 Be6 23. b3 Bf8 24. Kb2 a5 25. Ra1 Bc5 26. Kc1 Be3 27. Qb2 Rad8 28. Rd1 Nd4 29. Bf1 b6 30. Kb1 Qf6 31. c5 Qxh4 32. Nc4 Bxc4 33. Bxc4+ Kg7 34. cxb6 cxb6 35. Bd5 Qe7 36. Rh1 Rh8 37. Ka2 h4 38. Rad1 Kg6 39. Rh3 Kg5 40. Bd2 Bxd2 41. Qxd2 Rc8 42. Qd3 Rc2+ 43. Kb1 Qxa3 0-1

[Event "Gualeguaychu U1700"]
[Site "Gualeguaychu"]
[Date "2018.05.12"]
[Round "1.6"]
[White "Presfraind, Augusto"]
[Black "Rodriguez, Pilar"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1430"]
[PlyCount "41"]
[EventDate "2018.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 bxc6 5. Nc3 Bd6 6. Bc4 0-0 7. 0-0 Bc5 8. d4 Be7 9. Re1 Bb7 10. Bf4 Qc8 11. e5 Nh5 12. Qxh5 Re8 13. Bxf7+ Kh8 14. Re3 d6 15. e6 Qd8 16. Rh3 Bh4 17. Rxh4 Qxh4 18. Qxh4 Rf8 19. Ne4 Rae8 20. Nf6 gxf6 21. Qxf6# 1-0

[Event "Gualeguaychu U1700"]
[Site "Gualeguaychu"]
[Date "2018.05.12"]
[Round "3.2"]
[White "Presfraind, Augusto"]
[Black "Viera, Cristian"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1430"]
[BlackElo "1534"]
[PlyCount "56"]
[EventDate "2018.05.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. g3 d6 4. d4 Nf6 5. Nc3 0-0 6. Bg2 e5 7. 0-0 Nc6 8. dxe5 dxe5 9. h3 Be6 10. Be3 Qe7 11. Qe2 Rad8 12. Rad1 Qb4 13. Rb1 Bc4 14. Qe1 Bxf1 15. Qxf1 a6 16. Nd2 Nd4 17. a3 Qe7 18. Rc1 b5 19. Nd5 c5 20. c3 Ne2+ 21. Qxe2 c4 22. f3 Nd7 23. Qf2 f5 24. Kh1 f4 25. gxf4 exf4 26. Bd4 Bf6 27. Rg1 Ne5 28. Bxe5 Qxe5 0-1

[Event "Villaguay Cup Entre Rios U1600"]
[Site "Villaguay"]
[Date "2017.12.17"]
[Round "6.1"]
[White "Aguer, Sol"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "B08"]
[BlackElo "1353"]
[PlyCount "46"]
[EventDate "2017.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 0-0 6. Qd2 Re8 7. Bh6 Bh8 8. h3 Nc6 9. Bc4 e5 10. Ng5 d5 11. Nxd5 Nxd5 12. Bxd5 Be6 13. Nxe6 fxe6 14. Bxc6 bxc6 15. dxe5 Bxe5 16. 0-0-0 Qf6 17. c3 Rab8 18. f4 Bd6 19. e5 Bxe5 20. fxe5 Qxe5 21. Qd4 Qxd4 22. Rxd4 e5 23. Rd7 Rbd8 1-0

[Event "Villaguay Cup Entre Rios U1600"]
[Site "Villaguay"]
[Date "2017.12.17"]
[Round "5.3"]
[White "Presfraind, Augusto"]
[Black "Gonzalez, Alejandro1111"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1353"]
[BlackElo "1472"]
[PlyCount "111"]
[EventDate "2017.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 g6 6. Bg2 Bg7 7. 0-0 Bd7 8. Re1 Nge7 9. Nf1 0-0 10. e5 f5 11. Bf4 h6 12. h4 Qe8 13. Qd2 Kh7 14. c3 a5 15. a4 Nd8 16. Qc2 Nf7 17. N1h2 Nc6 18. Re2 Rg8 19. Qd2 Bf8 20. g4 Ne7 21. b3 Bc6 22. g5 h5 23. d4 b6 24. Qc2 Bb7 25. Be3 Nc6 26. Bd2 cxd4 27. cxd4 Nb4 28. Bxb4 Bxb4 29. Qb2 Rc8 30. Rc1 Qd7 31. Rec2 Rxc2 32. Rxc2 Rc8 33. Bf1 Rxc2 34. Qxc2 Qc8 35. Qxc8 Bxc8 36. Bb5 Kg7 37. Nf1 Kf8 38. Ne3 Ke7 39. Nc2 Bc3 40. Kf1 Bb7 41. Ke2 Nd8 42. Kd3 Bb4 43. Nxb4 axb4 44. Ne1 Nc6 45. Bxc6 Bxc6 46. Nc2 Kd7 47. Nxb4 Bb7 48. Kc3 Kc7 49. Na2 Bc6 50. Nb4 Bb7 51. Nd3 Bc6 52. Nf4 Be8 53. Nxe6+ Kd7 54. Nf4 Kc7 55. Nxd5+ Kc6 56. Nf4 1-0

[Event "Villaguay Cup Entre Rios U1600"]
[Site "Villaguay"]
[Date "2017.12.16"]
[Round "4.1"]
[White "Kalala, Daniel"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1587"]
[BlackElo "1353"]
[PlyCount "31"]
[EventDate "2017.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 d6 5. h3 g6 6. d4 cxd4 7. Nxd4 Bg7 8. Be3 a6 9. a3 b5 10. Nxc6 Qc7 11. Nd5 Qxc6 12. Nxf6+ Bxf6 13. Bd5 Qc7 14. Bxa8 Bb7 15. Bxb7 Qxb7 16. Qd3 1-0

[Event "Villaguay Cup Entre Rios U1600"]
[Site "Villaguay"]
[Date "2017.12.16"]
[Round "3.1"]
[White "Presfraind, Augusto"]
[Black "Ventura, Jose1111"]
[Result "1/2-1/2"]
[ECO "C61"]
[WhiteElo "1353"]
[PlyCount "34"]
[EventDate "2017.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 c6 6. Bc4 Qe7 7. d3 h6 8. Re1 d6 9. h3 Be6 10. Bb3 Qf6 11. Nd2 Ne7 12. Nf3 Ng6 13. Bd2 Be7 14. Qe2 Nh4 15. Nxh4 Qxh4 16. Qf3 0-0 17. Bf4 Rae8 1/2-1/2

[Event "Villaguay Cup Entre Rios U1600"]
[Site "Villaguay"]
[Date "2017.12.15"]
[Round "1.5"]
[White "Lascano, Juan Lucas"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "E91"]
[BlackElo "1353"]
[PlyCount "60"]
[EventDate "2017.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nc6 6. Be2 0-0 7. h3 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 exd4 11. Nxd4 Nxd4 12. Qxd4 Nh5 13. Qd3 Nxg3 14. Qxg3 Bd7 15. Rc1 Be5 16. Qf3 c6 17. b3 f5 18. Qd3 fxe4 19. Nxe4 Bf5 20. g4 Bg6 21. Rd1 d5 22. cxd5 cxd5 23. Qxd5+ Qxd5 24. Rxd5 Bxe4 25. Rxe5 Bxh1 26. Bc4+ Kh8 27. Kf1 Rad8 28. Re7 Rd1+ 29. Ke2 Bf3+ 30. Ke3 Re1+ 0-1

[Event "Villaguay Cup Entre Rios U1600"]
[Site "Villaguay"]
[Date "2017.12.15"]
[Round "2.1"]
[White "Presfraind, Augusto"]
[Black "Iberlucea, Juan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1353"]
[BlackElo "1499"]
[PlyCount "71"]
[EventDate "2017.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. d3 h6 6. Nbd2 0-0 7. 0-0 Nc6 8. Re1 e5 9. c3 a6 10. Qc2 Be6 11. Nf1 Qd7 12. Ne3 Bh3 13. Bh1 Ne7 14. d4 Nh7 15. Nc4 b5 16. Ne3 f5 17. dxe5 fxe4 18. Qxe4 d5 19. Qc2 c6 20. Qe2 Rae8 21. Nc2 Qe6 22. Nfd4 Qf7 23. c4 Nf5 24. Bd2 Nxd4 25. Nxd4 Rxe5 26. Qf3 Rxe1+ 27. Rxe1 Qd7 28. Qe2 Nf6 29. Qf3 Ng4 30. Nxc6 Nxf2 31. Qxd5+ Qxd5 32. Bxd5+ Kh7 33. Bg2 Bxg2 34. Kxg2 Nd3 35. Re2 Nxb2 36. h3 1-0

[Event "Gualeguaychu Cup Baggio U1700"]
[Site "Gualeguaychu"]
[Date "2017.12.03"]
[Round "5.4"]
[White "Alzugaray, Julian"]
[Black "Presfraind, Augusto"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1589"]
[BlackElo "1353"]
[PlyCount "87"]
[EventDate "2017.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Nxd4 Bd7 6. 0-0 Nf6 7. Nc3 g6 8. Re1 Bg7 9. Nxc6 bxc6 10. Bc4 0-0 11. f3 Qc7 12. Kh1 Rab8 13. Rb1 Bc8 14. b3 Nd7 15. Bb2 Ne5 16. Bf1 Rd8 17. Qe2 Qb6 18. Na4 Qc7 19. Rbd1 Bd7 20. h3 c5 21. Nc3 Be6 22. Nd5 Bxd5 23. exd5 Re8 24. f4 Nd7 25. Bxg7 Kxg7 26. Qg4 Nf6 27. Qg3 Qa5 28. a4 Qb4 29. Bc4 Rb7 30. f5 a5 31. fxg6 hxg6 32. Qf3 Rf8 33. Bb5 Qh4 34. Re3 Rh8 35. Kg1 Qg5 36. Bc6 Rc7 37. Rde1 Nh5 38. Re4 f5 39. Qc3+ Kg8 40. h4 Qf6 41. Qxf6 exf6 42. Re8+ Kg7 43. Rxh8 Kxh8 44. Re3 1-0

[Event "Gualeguaychu Cup Baggio U1700"]
[Site "Gualeguaychu"]
[Date "2017.12.03"]
[Round "4.2"]
[White "Presfraind, Augusto"]
[Black "Avila, Mauro"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1353"]
[PlyCount "34"]
[EventDate "2017.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. Be2 e6 6. Bf4 Nd7 7. Nbd2 Ngf6 8. c3 Be7 9. 0-0 0-0 10. h3 Bh5 11. Re1 Qb6 12. Nb3 a5 13. Rb1 a4 14. Nc1 a3 15. Nd3 Qc6 16. Nde5 Nxe5 17. Nxe5 Bxe2 1/2-1/2

[Event "Gualeguaychu Cup Baggio U1700"]
[Site "Gualeguaychu"]
[Date "2017.12.02"]
[Round "2.4"]
[White "Presfraind, Augusto"]
[Black "Manevy, Jorge"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "1353"]
[BlackElo "1519"]
[PlyCount "56"]
[EventDate "2017.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f3 Bb7 9. Be3 Be7 10. Qd2 Nbd7 11. g4 Nc5 12. h4 Nxb3 13. axb3 Qc7 14. h5 d5 15. g5 Nd7 16. exd5 b4 17. dxe6 bxc3 18. exd7+ Qxd7 19. Qxc3 Qd5 20. Qd2 f6 21. gxf6 Bxf6 22. 0-0-0 0-0 23. c4 Qd7 24. Qf2 Rad8 25. Ne2 Qf5 26. Rxd8 Rxd8 27. Rf1 Qxh5 28. f4 Re8 1/2-1/2

[Event "Gualeguaychu Cup Baggio U1700"]
[Site "Gualeguaychu"]
[Date "2017.12.02"]
[Round "3.3"]
[White "Retamar, Guillermo Ernesto"]
[Black "Presfraind, Augusto"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1666"]
[BlackElo "1353"]
[PlyCount "107"]
[EventDate "2017.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Nf3 Bg7 4. Bd3 d6 5. Nbd2 0-0 6. 0-0 Nc6 7. e4 Bg4 8. c3 e5 9. d5 Ne7 10. Qb3 Bc8 11. Re1 Nd7 12. Nf1 Nc5 13. Qc2 f5 14. b4 Nxd3 15. Qxd3 f4 16. Bb2 h6 17. h3 g5 18. N1h2 Ng6 19. c4 h5 20. Qe2 g4 21. hxg4 hxg4 22. Nd2 Qg5 23. f3 g3 24. Ng4 Qh4 25. Nf1 Kf7 26. Ngh2 gxh2+ 27. Kh1 Rh8 28. Red1 Rh5 29. Bc3 Rg5 30. Be1 Qh6 31. g4 Nh4 32. Bxh4 Qxh4 33. Qxh2 Qxh2+ 34. Kxh2 Bd7 35. Kg2 Rh8 36. Nd2 Rg6 37. Rh1 Rxh1 38. Rxh1 Bf6 39. Kf2 Kg7 40. Nb3 Rh6 41. Rxh6 Kxh6 42. c5 Bh4+ 43. Kg2 Be1 44. a3 Bc3 45. Na5 b6 46. c6 Be8 47. Nb7 Be1 48. b5 Bh4 49. a4 Bf6 50. a5 Be7 51. Kh2 Kg5 52. Kh3 Kh6 53. Kh2 Kg5 54. Kh3 1/2-1/2

[Event "Gualeguaychu Cup Baggio U1700"]
[Site "Gualeguaychu"]
[Date "2017.12.02"]
[Round "1.9"]
[White "Roko, Tomas"]
[Black "Presfraind, Augusto"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1353"]
[PlyCount "30"]
[EventDate "2017.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bc4 Bg7 6. 0-0 a6 7. a4 Nf6 8. f5 Qc7 9. fxg6 hxg6 10. Ng5 d5 11. exd5 Qxh2+ 12. Kf2 Qh4+ 13. Kg1 Qd4+ 14. Rf2 Ng4 15. Ne2 Qxf2# 0-1

