[Event "Posadas Misionera op"]
[White "Brizzi, Milagros Tatiana"]
[Black "Landreau, Mariano Antonio"]
[Site "Posadas"]
[Round "1"]
[Result "1-0"]
[Date "2022.08.13"]
[ECO "A08"]
[WhiteElo "2028"]
[BlackElo "1491"]
[PlyCount "63"]
[EventDate "2022.08.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Be7 6. Bg2 Nf6 7. 0-0 d4 8. a4 Qc7 9. Nc4 e5 10. Ne1 Be6 11. f4 Bxc4 12. dxc4 Bd6 13. Nd3 0-0-0 14. Bd2 h5 15. Rb1 a5 16. Qe1 Ng4 17. h3 Nh6 18. fxe5 Nxe5 19. Bxa5 b6 20. Bd2 Nxd3 21. cxd3 Bxg3 22. Qd1 Bh2+ 23. Kh1 f6 24. b4 Bd6 25. a5 Kd7 26. axb6 Qb7 27. bxc5 Bxc5 28. Qa4+ Ke7 29. e5 Ng4 30. hxg4 hxg4+ 31. Kg1 fxe5 32. Bg5+ 1-0

[Event "Obera op"]
[White "Zaldivar, Patricio"]
[Black "Landreau, Mariano Antonio"]
[Site "Obera"]
[Round "5"]
[Result "1-0"]
[Date "2022.02.28"]
[ECO "C07"]
[WhiteElo "1836"]
[BlackElo "1477"]
[PlyCount "65"]
[EventDate "2022.02.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nf6 6. Bc4 Qd8 7. 0-0 Be7 8. dxc5 Bxc5 9. Qe2 0-0 10. Nb3 Bb6 11. Bg5 h6 12. Rad1 Qe7 13. Bf4 Bc7 14. Be3 Nbd7 15. Nfd4 a6 16. Bxh6 gxh6 17. Nf5 Qd8 18. Nxh6+ Kg7 19. Ng4 Rh8 20. f4 Bb6+ 21. Kh1 Nh5 22. Rf3 Qc7 23. Nd2 Nxf4 24. Qf1 e5 25. g3 Qc6 26. gxf4 exf4 27. Qg2 Kf8 28. Rxf4 Qxg2+ 29. Kxg2 Kg7 30. Rxf7+ Kg6 31. Rxd7 Kg5 32. Rg7+ Kh4 33. Nf3+ 1-0

[Event "Obera op"]
[White "Landreau, Mariano Antonio"]
[Black "Zamudio, Jose Alberto"]
[Site "Obera"]
[Round "2"]
[Result "0-1"]
[Date "2022.02.26"]
[ECO "D04"]
[WhiteElo "1477"]
[BlackElo "2029"]
[PlyCount "88"]
[EventDate "2022.02.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. e3 cxd4 3. exd4 d5 4. Nf3 Nf6 5. Nbd2 a6 6. g3 Nc6 7. Bg2 Bg4 8. 0-0 Nxd4 9. h3 Nxf3+ 10. Nxf3 Bh5 11. c4 dxc4 12. Qe2 Rc8 13. Rd1 Qa5 14. Bd2 Qb5 15. Bc3 e6 16. a4 Qc5 17. Bd4 Qa5 18. Bc3 Bb4 19. Bxf6 gxf6 20. g4 Bg6 21. Rd4 b5 22. g5 Be7 23. gxf6 Bxf6 24. Ne5 0-0 25. Rg4 Bg7 26. Rg3 Qc7 27. Nxg6 hxg6 28. axb5 axb5 29. Be4 Qe5 30. Rb1 f5 31. Bf3 Qxe2 32. Bxe2 Kf7 33. Kf1 b4 34. Rc1 c3 35. bxc3 bxc3 36. Rc2 Rfd8 37. Rd3 Rxd3 38. Bxd3 Be5 39. f3 Kf6 40. Rf2 g5 41. Kg2 Rd8 42. Bc2 Bf4 43. Re2 Bd2 44. Kf2 Rb8 0-1

[Event "Obera Easter op 1st"]
[White "Landreau, Mariano Antonio"]
[Black "Cirilli, Luis Mariano"]
[Site "Obera"]
[Round "5"]
[Result "0-1"]
[Date "2021.04.03"]
[ECO "D78"]
[WhiteElo "1459"]
[BlackElo "1798"]
[PlyCount "64"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 0-0 5. Bg2 d5 6. b3 c6 7. 0-0 Bf5 8. Nbd2 Ne4 9. Bb2 Nd7 10. Ne1 Qa5 11. Nxe4 dxe4 12. e3 h5 13. h3 Nf6 14. a4 Rad8 15. Ba3 Rfe8 16. b4 Qc7 17. Qe2 e5 18. Nc2 exd4 19. Nxd4 Nh7 20. Bb2 Qc8 21. Nxf5 Qxf5 22. Bxg7 Kxg7 23. Rad1 Ng5 24. g4 Qf6 25. f3 Rxd1 26. Qxd1 exf3 27. h4 Qe5 28. hxg5 Qxe3+ 29. Rf2 hxg4 30. Bxf3 g3 31. Qe2 gxf2+ 32. Qxf2 Qxg5+ 0-1

[Event "Obera Easter op 1st"]
[White "Brizuela, Franco Emmanuel"]
[Black "Landreau, Mariano Antonio"]
[Site "Obera"]
[Round "4"]
[Result "1/2-1/2"]
[Date "2021.04.02"]
[ECO "D02"]
[BlackElo "1459"]
[PlyCount "32"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 e6 4. Bf4 Be7 5. e3 Nbd7 6. Bd3 c6 7. 0-0 b6 8. Re1 Bb7 9. a3 0-0 10. Bf1 Re8 11. g3 h6 12. Bg2 Rc8 13. b4 Bf8 14. h3 g5 15. Be5 Bg7 16. Bxf6 Nxf6 1/2-1/2

[Event "Obera Easter op 1st"]
[White "Landreau, Mariano Antonio"]
[Black "Campos, Maria Jose"]
[Site "Obera"]
[Round "3"]
[Result "0-1"]
[Date "2021.04.02"]
[ECO "E17"]
[WhiteElo "1459"]
[BlackElo "2122"]
[PlyCount "65"]
[EventDate "2021.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. c4 Be7 6. 0-0 0-0 7. b3 d5 8. Bb2 Nbd7 9. e3 c5 10. Nbd2 Rc8 11. Rc1 Rc7 12. Qe2 Qa8 13. Rfd1 Rfc8 14. a3 dxc4 15. bxc4 Ne4 16. Ne1 Ndf6 17. f3 Nxd2 18. Rxd2 cxd4 19. Bxd4 b5 20. c5 Bxc5 21. Rdc2 Bxa3 22. Rxc7 Bxc1 23. Rxc8+ Qxc8 24. Qxb5 a6 25. Qe5 h6 26. Bf1 Bd2 27. Nd3 Bxf3 28. Qf4 Qa8 29. Bxf6 gxf6 30. Qxh6 Qe4 31. Kf2 Qf5 32. Kg1 Qh5 33. Qf4 0-1

[Event "ARG-ch sf U300 City"]
[White "Fernandez, Gabriel2"]
[Black "Landreau, Mariano Antonio"]
[Site "Posadas"]
[Round "4.7"]
[Result "1-0"]
[Date "2019.06.16"]
[ECO "D02"]
[WhiteElo "1690"]
[BlackElo "1476"]
[PlyCount "97"]
[EventDate "2019.06.15"]
[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 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 a6 6. Bd3 c4 7. Bc2 Nc6 8. 0-0 Bd6 9. Bxd6 Qxd6 10. Nbd2 Nd7 11. e4 0-0 12. Re1 b5 13. Re3 e5 14. dxe5 Ncxe5 15. exd5 Bb7 16. Qe2 Ng4 17. Re7 Ngf6 18. Bf5 Nb6 19. Rxb7 Rfe8 20. Rxb6 Qxb6 21. Qf1 Nxd5 22. Nd4 Re5 23. N2f3 Ree8 24. Re1 Red8 25. Qe2 g6 26. Bc2 Rac8 27. h3 a5 28. Qd2 Kg7 29. Nh2 b4 30. Ng4 bxc3 31. bxc3 h5 32. Qh6+ Kg8 33. Rb1 Qd6 34. Ne3 Nxc3 35. Nb5 Qf6 36. Nxc3 Qxc3 37. Qg5 Kh7 38. Qxh5+ Kg7 39. Bxg6 fxg6 40. Rb7+ Kf6 41. Ng4+ Ke6 42. Qxg6+ Kd5 43. Rb5+ Kd4 44. Qf6+ Kd3 45. Qf5+ Kd2 46. Qf4+ Kc2 47. Ne3+ Kd3 48. Qf5+ Ke2 49. Qf3+ 1-0

[Event "ARG-ch sf U300 City"]
[White "Landreau, Mariano Antonio"]
[Black "Ayala Ruiz, Miguel Angel"]
[Site "Posadas"]
[Round "5.9"]
[Result "0-1"]
[Date "2019.06.16"]
[ECO "A49"]
[WhiteElo "1476"]
[BlackElo "1501"]
[PlyCount "64"]
[EventDate "2019.06.15"]
[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. Nf3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 0-0 6. b3 cxd4 7. Nxd4 Nc6 8. Bb2 Qc7 9. 0-0 a6 10. Nd2 d6 11. c4 Bd7 12. N2f3 Rac8 13. Rc1 Qa5 14. a3 Qh5 15. Nh4 Bg4 16. f3 Bd7 17. Qe1 Nxd4 18. exd4 g5 19. Qxe7 gxh4 20. g4 Qg6 21. Qxd6 Rc6 22. Qb4 h3 23. Bxh3 h5 24. Kh1 hxg4 25. d5 gxh3 26. Rg1 Qf5 27. Rg3 Nh5 28. Rxg7+ Nxg7 29. Qc3 Rg6 30. Rc2 Qg5 31. Qe1 Re8 32. Qf1 Qg2+ 0-1

[Event "ARG-ch sf U300 City"]
[White "Landreau, Mariano Antonio"]
[Black "Coronel, Santiago Nicolas"]
[Site "Posadas"]
[Round "3.5"]
[Result "0-1"]
[Date "2019.06.15"]
[ECO "A47"]
[WhiteElo "1476"]
[BlackElo "1744"]
[PlyCount "93"]
[EventDate "2019.06.15"]
[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. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. b3 Be7 6. Bb2 0-0 7. 0-0 c5 8. e3 Nc6 9. c4 Qc7 10. Nbd2 d5 11. Rc1 dxc4 12. Nxc4 Rfd8 13. Qe2 cxd4 14. exd4 Nd5 15. Nce5 Qd6 16. Nxc6 Bxc6 17. Ne5 Bb7 18. Nc4 Qd7 19. a3 Rac8 20. Rc2 Qb5 21. Qd3 Ba6 22. Rfc1 Bf6 23. a4 Qd7 24. Qd2 b5 25. axb5 Qxb5 26. Ra1 Qxb3 27. Rxa6 Rxc4 28. Rxc4 Qxc4 29. Rxa7 g6 30. Bf1 Qb4 31. Qxb4 Nxb4 32. Ra4 Nc2 33. Ra7 Rb8 34. Bc3 Nxd4 35. Bxd4 Bxd4 36. Ra2 Kg7 37. Kg2 e5 38. h3 Rb3 39. g4 h5 40. gxh5 g5 41. Be2 f5 42. Rc2 Rb6 43. Rc7+ Kh6 44. Rc2 e4 45. Ra2 f4 46. Bg4 f3+ 47. Kh2 0-1

[Event "ARG-ch sf U300 City"]
[White "Molina, Vicente"]
[Black "Landreau, Mariano Antonio"]
[Site "Posadas"]
[Round "1.3"]
[Result "1-0"]
[Date "2019.06.15"]
[ECO "C07"]
[WhiteElo "1817"]
[BlackElo "1476"]
[PlyCount "113"]
[EventDate "2019.06.15"]
[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. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Ngf3 a6 6. a3 b6 7. e5 Bb7 8. Bd3 c4 9. Bc2 Nge7 10. Nf1 Ng6 11. h4 h6 12. g4 Be7 13. h5 Nf8 14. Ng3 Qc7 15. Rb1 b5 16. g5 a5 17. gxh6 gxh6 18. b4 cxb3 19. Rxb3 Ba6 20. Bd3 a4 21. Rb1 Rb8 22. Ne2 Na5 23. Rg1 Nc4 24. Ra1 Nd7 25. Ra2 Bf8 26. Kf1 Qd8 27. Nf4 Be7 28. Rg7 Kf8 29. Rxf7+ Kxf7 30. Bg6+ Kg8 31. Nxe6 Qb6 32. Nf4 Bb7 33. e6 Rf8 34. exd7 Qd6 35. Ne5 Nxe5 36. dxe5 Qxe5 37. Qg4 Rf6 38. Be8+ Qg5 39. Qxg5+ hxg5 40. Ng6 Rxg6 41. Bxg6 Bc6 42. Re2 Kf8 43. Re5 Bxd7 44. Rxd5 Be6 45. Re5 Bc4+ 46. Kg1 g4 47. Kg2 Bd6 48. Re8+ Kg7 49. Rxh8 Kxh8 50. h6 Be5 51. Bd2 Bd6 52. f4 Bxa3 53. Be3 Bd5+ 54. Kg3 Bf8 55. Bd4+ Bg7 56. Bxg7+ Kg8 57. Bf6 1-0

[Event "ARG-ch sf U300 City"]
[White "Montiel Caceres, Helen"]
[Black "Landreau, Mariano Antonio"]
[Site "Posadas"]
[Round "2.7"]
[Result "0-1"]
[Date "2019.06.15"]
[ECO "D06"]
[WhiteElo "1517"]
[BlackElo "1476"]
[PlyCount "58"]
[EventDate "2019.06.15"]
[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 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Be2 Be7 6. Qb3 b6 7. Nc3 c6 8. Bd2 0-0 9. Na4 dxc4 10. Qd1 b5 11. Nc3 Nbd7 12. Nh4 Bg6 13. Nxg6 fxg6 14. Bf3 Rc8 15. b3 b4 16. Na4 c3 17. Bc1 Qc7 18. e4 e5 19. d5 cxd5 20. exd5 e4 21. Be2 Ne5 22. 0-0 Rfd8 23. Bf4 Nf3+ 24. Bxf3 Qxf4 25. Be2 Kh8 26. Qd4 Rc7 27. Bc4 Bd6 28. g3 Qf5 29. Rfd1 Be5 0-1

[Event "Posadas Misiones Cup"]
[White "Lingiardi, Oscar"]
[Black "Landreau, Mariano Antonio"]
[Site "Posadas"]
[Round "3"]
[Result "1-0"]
[Date "2013.10.13"]
[ECO "C01"]
[WhiteElo "1920"]
[PlyCount "85"]
[EventDate "2013.10.12"]
[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. Nf3 Bg4 5. Bd3 Nf6 6. 0-0 Be7 7. Re1 0-0 8. c3 h6 9. Bf4 Bd6 10. Be3 Nbd7 11. h3 Bh5 12. Nbd2 c6 13. g4 Bg6 14. Bxg6 fxg6 15. Nh4 g5 16. Nf5 Qc7 17. Qc2 Rf7 18. c4 Bf4 19. Rac1 Nf8 20. Qd3 Rd8 21. Kg2 Rfd7 22. b3 g6 23. Bxf4 Qxf4 24. Ng3 Kg7 25. Nf3 h5 26. gxh5 Nxh5 27. cxd5 cxd5 28. Rc2 g4 29. Ne5 gxh3+ 30. Kh1 Re7 31. Qxg6+ Nxg6 32. Nxh5+ Kh7 33. Nxf4 Nxf4 34. Rc3 Rf8 35. Rf3 Rg7 36. Rg3 Rxg3 37. fxg3 Ng6 38. Re2 Rf5 39. Kh2 Rh5 40. Nxg6 Kxg6 41. Re7 Rh7 42. Rxh7 Kxh7 43. Kxh3 1-0

[Event "Posadas Misiones Cup"]
[White "Ibanez, Juan"]
[Black "Landreau, Mariano Antonio"]
[Site "Posadas"]
[Round "1"]
[Result "1-0"]
[Date "2013.10.12"]
[ECO "C18"]
[WhiteElo "1932"]
[PlyCount "61"]
[EventDate "2013.10.12"]
[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. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 Kf8 8. a4 Ne7 9. Ne2 cxd4 10. cxd4 Qxc2 11. Ba3 Nbc6 12. Qf3 Bd7 13. g3 Na5 14. Bh3 Nc4 15. 0-0 Nd2 16. Bxe7+ Kxe7 17. Qa3+ Ke8 18. Rfe1 Nc4 19. Qf3 h5 20. Nf4 Qh7 21. Nxd5 Rc8 22. Nf4 g5 23. Nd5 Qg6 24. Nf6+ Kd8 25. Qxb7 Bc6 26. Qb4 g4 27. Qxc4 gxh3 28. Qc5 Bd7 29. Qd6 Rc7 30. Rab1 Kc8 31. Nxd7 1-0

