[Event "Villa Tehuelches op 5th"]
[Site "Villa Tehuelches"]
[Date "2019.07.14"]
[Round "7"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Hernandez Saldivia, Rody"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1078"]
[BlackElo "1871"]
[PlyCount "70"]
[EventDate "2019.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. Bb5 Bd7 5. 0-0 Nf6 6. Re1 e6 7. d3 Be7 8. Nbd2 0-0 9. Nf1 Qc7 10. Ng3 Rad8 11. Ng5 d5 12. Nh5 h6 13. Nxf6+ Bxf6 14. Nh3 dxe4 15. Qg4 Ne5 16. Qg3 Bxb5 17. Bxh6 exd3 18. Ng5 dxc2 19. Ne4 Nf3+ 20. gxf3 Qxg3+ 21. fxg3 Bxb2 22. Rac1 Bxc1 23. Rxc1 gxh6 24. Nf2 Rd2 25. Kg2 Rfd8 26. h4 Re2 27. g4 Rd1 28. Rxc2 Rxc2 29. Kg3 Rg1+ 30. Kh2 Rf1 31. Kg2 Rcxf2+ 32. Kg3 Rxf3+ 33. Kg2 R1f2+ 34. Kg1 Rxa2 35. h5 Rf1# 0-1

[Event "Villa Tehuelches op 5th"]
[Site "Villa Tehuelches"]
[Date "2019.07.13"]
[Round "6"]
[White "Maldonado Gomez, Rodolfo"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1799"]
[BlackElo "1078"]
[PlyCount "81"]
[EventDate "2019.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 Bc5 5. 0-0 h6 6. c3 d5 7. exd5 Qxd5 8. b4 Bd6 9. c4 Qe6 10. c5 Be7 11. b5 Nb4 12. Bb2 e4 13. dxe4 Qxe4 14. Nc3 Qg6 15. a3 Bh3 16. Ne1 Rd8 17. Qc1 Nbd5 18. Nxd5 Nxd5 19. Bf3 Nf6 20. Qe3 Ng4 21. Bxg4 Bxg4 22. h3 Be6 23. Nf3 Bxh3 24. Nh4 Qg4 25. Bxg7 Rg8 26. Bf6 Qe6 27. Qxe6 Bxe6 28. Bxe7 Kxe7 29. Rfe1 Kf8 30. Rad1 Bd5 31. f3 c6 32. bxc6 bxc6 33. Kh2 h5 34. Re5 Rh8 35. Nf5 f6 36. Re7 Rg8 37. Rxa7 Rg5 38. Ne7 f5 39. Nxc6 Rc8 40. Rxd5 Rxc6 41. Rd8# 1-0

[Event "Villa Tehuelches op 5th"]
[Site "Villa Tehuelches"]
[Date "2019.07.13"]
[Round "5"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Fernandez, Leandro Daniel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1078"]
[BlackElo "1646"]
[PlyCount "85"]
[EventDate "2019.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. c3 Nc6 4. Bb5 Nf6 5. 0-0 Nxe4 6. Re1 Nf6 7. d3 Be7 8. Nbd2 a6 9. Ba4 b5 10. Bb3 d5 11. d4 cxd4 12. cxd4 0-0 13. Nf1 Bd7 14. Ng3 Rc8 15. Bf4 Na5 16. Bc2 Nc4 17. Qd3 Nxb2 18. Qb3 Nc4 19. Ne5 g6 20. Qd3 Re8 21. Bg5 Kg7 22. Qf3 Nxe5 23. dxe5 Rxc2 24. exf6+ Bxf6 25. Bxf6+ Qxf6 26. Qxf6+ Kxf6 27. a3 e5 28. Rad1 Bc6 29. h3 Ke6 30. h4 f5 31. Rf1 f4 32. Nh1 d4 33. f3 Bd5 34. Rf2 Rec8 35. Rdf1 Rxf2 36. Rxf2 Rc3 37. Ra2 Bxa2 38. Kh2 Rc2 39. Kh3 Bd5 40. Kh2 Bxf3 41. Kg1 Rxg2+ 42. Kf1 Ra2 43. Ke1 0-1

[Event "Villa Tehuelches op 5th"]
[Site "Villa Tehuelches"]
[Date "2019.07.12"]
[Round "3"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Meyer Monsalve, Ewald"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1078"]
[BlackElo "1986"]
[PlyCount "94"]
[EventDate "2019.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 g6 3. d4 Bg7 4. h3 c5 5. Be3 Qb6 6. Nf3 Qxb2 7. Nd5 Kd8 8. e5 Be6 9. Bc4 Nd7 10. 0-0 Qa3 11. dxc5 Nxe5 12. Nxe5 Bxe5 13. Rb1 Qa4 14. Bb3 Qc6 15. Qd2 Ke8 16. Nb4 Qd7 17. Bxe6 fxe6 18. Nd3 Bg7 19. cxd6 exd6 20. Rfe1 Ne7 21. Bg5 Kf7 22. Qf4+ Kg8 23. Qg4 Nf5 24. Nf4 Re8 25. Qf3 b6 26. Re2 Nd4 27. Qg4 Nxe2+ 28. Qxe2 h6 29. Rb5 e5 30. Qc4+ Qf7 31. Qxf7+ Kxf7 32. Nd5 hxg5 33. Rb3 Rc8 34. Rf3+ Ke6 35. Ne3 Rc5 36. c4 b5 37. cxb5 Rxb5 38. Nd1 Rb1 39. g3 Rxd1+ 40. Kg2 e4 41. Rc3 Bxc3 42. a4 Rb8 43. h4 g4 44. Kh2 Rbb1 45. Kg2 Rg1+ 46. Kh2 Rh1+ 47. Kg2 Rbg1# 0-1

[Event "Villa Tehuelches op 5th"]
[Site "Villa Tehuelches"]
[Date "2019.07.12"]
[Round "4"]
[White "Villamayor, Francisco"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1837"]
[BlackElo "1078"]
[PlyCount "83"]
[EventDate "2019.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Nc6 4. e4 Bb4 5. f3 0-0 6. e5 Ne8 7. Be3 d6 8. exd6 Nxd6 9. Bd3 Re8 10. Nge2 e5 11. d5 Ne7 12. 0-0 Nef5 13. Bf2 Qg5 14. Qc1 Qh5 15. Ne4 Nh4 16. N4g3 Nxf3+ 17. gxf3 Qxf3 18. Be3 Qg4 19. Nc3 b6 20. Qd1 Qh3 21. Qh5 Qxh5 22. Nxh5 e4 23. Be2 Nf5 24. Bf2 e3 25. Bg3 Nd4 26. Rae1 Re6 27. dxe6 Bxe6 28. Nf4 Bd7 29. Nfd5 Bd6 30. Bxd6 cxd6 31. Nxe3 Re8 32. Ng2 Bh3 33. Bg4 Rd8 34. Bxh3 Nc2 35. Re7 Rf8 36. Rfxf7 Rxf7 37. Be6 g6 38. Rxf7 Nd4 39. Bd5 Nf5 40. Ne4 h5 41. Nf6+ Kh8 42. Rh7# 1-0

[Event "Villa Tehuelches op 5th"]
[Site "Villa Tehuelches"]
[Date "2019.07.11"]
[Round "1"]
[White "Munoz, Raul"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1969"]
[BlackElo "1078"]
[PlyCount "39"]
[EventDate "2019.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 c6 4. d4 d5 5. Nxe5 dxe4 6. Bc4 Qe7 7. Bxf7+ Kd8 8. 0-0 Qc7 9. Bb3 h5 10. Bf4 Qe7 11. Nf7+ Ke8 12. Nxh8 Bg4 13. Qd2 h4 14. f3 exf3 15. Rfe1 h3 16. Rxe7+ Bxe7 17. gxf3 Bxf3 18. Qe3 Bg4 19. Re1 Nbd7 20. Qxe7# 1-0

[Event "Villa Tehuelches Cuarto op"]
[Site "Villa Tehuelches"]
[Date "2018.07.14"]
[Round "7"]
[White "Villamayor, Francisco"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1886"]
[BlackElo "1110"]
[PlyCount "53"]
[EventDate "2018.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. d3 g6 4. Nbd2 e6 5. Bg2 Bg7 6. 0-0 0-0 7. Re1 c6 8. e4 Re8 9. Ng5 h6 10. Nh3 Nbd7 11. e5 Nh7 12. d4 Ng5 13. Nxg5 hxg5 14. Qg4 f5 15. exf6 Qxf6 16. Nf3 Kf7 17. Nxg5+ Ke7 18. Rxe6+ Qxe6 19. Qxe6+ Kd8 20. Nf7+ Kc7 21. Qxe8 a6 22. Qd8+ Kb8 23. Nd6 Nb6 24. Qxb6 Ra7 25. Bf4 g5 26. Nb5+ Ka8 27. Qxa7# 1-0

[Event "Villa Tehuelches Cuarto op"]
[Site "Villa Tehuelches"]
[Date "2018.07.13"]
[Round "6"]
[White "Frutos, Leandro Jose"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "1187"]
[BlackElo "1110"]
[PlyCount "23"]
[EventDate "2018.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. Nf3 g6 9. e5 Nd5 10. 0-0 Bg7 11. Re1 0-0 12. Bd2 1/2-1/2

[Event "Villa Tehuelches Cuarto op"]
[Site "Villa Tehuelches"]
[Date "2018.07.13"]
[Round "5"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Yanacon Barrios, Leonel Antonio"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1110"]
[BlackElo "1110"]
[PlyCount "50"]
[EventDate "2018.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. 0-0 0-0 6. d3 Re8 7. Nc3 d5 8. exd5 Nxd5 9. Nxd5 Qxd5 10. Ng5 Qd8 11. Qf3 Rf8 12. Qe4 g6 13. Qh4 h5 14. Bf3 Nd4 15. Bxh5 gxh5 16. Qxh5 Bf5 17. g4 Nf3+ 18. Nxf3 Bxg4 19. Qxg4+ Kh8 20. Ng5 Rg8 21. Nxf7+ Kh7 22. Ng5+ Kh6 23. Qh4+ Kg6 24. Qe4+ Kh5 25. Qh7+ Kg4 1-0

[Event "Villa Tehuelches Cuarto op"]
[Site "Villa Tehuelches"]
[Date "2018.07.12"]
[Round "4"]
[White "Bustos, Pedro"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1570"]
[BlackElo "1110"]
[PlyCount "57"]
[EventDate "2018.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 g6 4. Nbd2 Bg7 5. Nxe5 0-0 6. Nef3 d6 7. h3 d5 8. e5 Re8 9. d4 Nfd7 10. Be2 c6 11. 0-0 c5 12. c3 Nc6 13. Re1 b6 14. Nf1 f5 15. exf6 Bxf6 16. Be3 Bh4 17. Qd2 Qf6 18. dxc5 bxc5 19. Nxh4 Qxh4 20. Qxd5+ Kf8 21. Qxc6 Ne5 22. Qxa8 Qe7 23. Bh6+ Kg8 24. Bc4+ Kh8 25. Qb8 Qf6 26. Rxe5 Bd7 27. Rxe8+ Bxe8 28. Qxe8+ Qf8 29. Qxf8# 1-0

[Event "Villa Tehuelches Cuarto op"]
[Site "Villa Tehuelches"]
[Date "2018.07.12"]
[Round "3"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Torres, Enzo Javier"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1110"]
[BlackElo "1617"]
[PlyCount "120"]
[EventDate "2018.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 Nxe4 5. 0-0 d6 6. d3 Nf6 7. Nc3 Be7 8. Ng5 h6 9. Nge4 Nxe4 10. dxe4 0-0 11. Nd5 Be6 12. c4 Qc8 13. Bf3 Nd4 14. Nxe7+ Kh8 15. Nxc8 Bxc8 16. Be3 Nc6 17. b4 Nxb4 18. Bd2 Nc6 19. Bh5 Be6 20. c5 dxc5 21. f4 exf4 22. Bxf4 Rad8 23. Qf3 Rd7 24. Rad1 Re7 25. e5 Bxa2 26. Rd2 Be6 27. Rfd1 Kg8 28. Bg4 Nd4 29. Rxd4 cxd4 30. Rxd4 c5 31. Rd6 Bc4 32. Bh3 b6 33. Qg4 Be6 34. Qf3 Bxh3 35. g4 f6 36. Qxh3 fxe5 37. Qh4 Ref7 38. Be3 Rf3 39. Rd3 c4 40. Rc3 b5 41. g5 b4 42. gxh6 bxc3 43. Qg5 R3f7 44. Qg6 c2 45. Qxc2 Kh8 46. Qg6 gxh6 47. Qxh6+ Kg8 48. Qg6+ Rg7 49. Qxg7+ Kxg7 50. Bxa7 c3 51. Be3 c2 52. Kg2 Rc8 53. Bc1 Rd8 54. Kf3 Rc8 55. Be3 c1Q 56. Bxc1 Rxc1 57. Ke2 Rh1 58. Kf2 Rxh2+ 59. Kg3 Re2 60. Kf3 Rd2 0-1

[Event "Villa Tehuelches Cuarto op"]
[Site "Villa Tehuelches"]
[Date "2018.07.11"]
[Round "2"]
[White "Maldonado Gomez, Rodolfo"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1823"]
[BlackElo "1110"]
[PlyCount "61"]
[EventDate "2018.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 g6 4. d3 Bg7 5. Nxe5 0-0 6. Nf3 Nc6 7. d4 d5 8. e5 Qe7 9. Be2 Ne4 10. Nb1 f6 11. exf6 Qxf6 12. c3 Bg4 13. 0-0 Qf5 14. Nbd2 Bh3 15. Nxe4 Qg4 16. Ng3 Rae8 17. gxh3 Qxh3 18. Be3 Re4 19. Ng5 Qh4 20. N5xe4 dxe4 21. Qb3+ Kh8 22. Qxb7 Qf6 23. Nxe4 Qe6 24. Ng3 Nd8 25. Qxc7 Bf6 26. Bc4 Qh3 27. Qd6 Bg7 28. Bf4 Nb7 29. Qc7 Nd8 30. Be5 Qh4 31. Bxg7# 1-0

[Event "Villa Tehuelches Cuarto op"]
[Site "Villa Tehuelches"]
[Date "2018.07.11"]
[Round "1"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Bravo, Jose Maria"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1110"]
[BlackElo "2142"]
[PlyCount "62"]
[EventDate "2018.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 d6 6. d3 Nf6 7. Nc3 0-0 8. Bf4 Qb6 9. Qd2 Qxb2 10. Rab1 Qa3 11. Nd5 Nxd5 12. exd5 Nb4 13. Bh6 Qxa2 14. Rbd1 Qxc2 15. Qe3 Nxd5 16. Qg5 Nf6 17. Rd2 Qc3 18. Re2 Be6 19. Rc1 Qxd3 20. Re3 Qf5 21. Qh4 Qh5 22. Qf4 Bxh6 23. Qa4 Bd7 24. Qa3 Nd5 25. Rd3 Bxc1 26. Qxc1 Bc6 27. Ng5 Nb4 28. g4 Nxd3 29. Qe3 Qxg4 30. f3 Qd4 31. Qxd4 cxd4 0-1

[Event "Villa Tehuelches op"]
[Site "Villa Tehuelches"]
[Date "2017.07.14"]
[Round "6"]
[White "Miranda Zuniga, Gabriel Ignacio"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "94"]
[EventDate "2017.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Bd3 g6 4. 0-0 Bg7 5. c3 0-0 6. Bc2 Be6 7. h3 Nc6 8. d3 Nd7 9. Be3 Nde5 10. d4 Nc4 11. Qc1 Nxe3 12. Qxe3 d5 13. Nbd2 Qd7 14. Ba4 f5 15. exd5 Bxd5 16. Ne5 Qd6 17. Nxc6 Bxc6 18. Bb3+ Bd5 19. Nc4 Qc6 20. Qd3 e6 21. Na5 Qd6 22. Bc4 Be4 23. Qd2 b6 24. Nb3 Qc6 25. d5 Qxc4 26. dxe6 Rad8 27. Qf4 Qxe6 28. Qxc7 Rd7 29. Qf4 Bd3 30. Rfe1 Qd5 31. Rad1 Qc6 32. Nc1 Bb5 33. Rxd7 Qxd7 34. b3 Re8 35. Rxe8+ Qxe8 36. c4 Qe1+ 37. Kh2 Be5 38. Qxe5 Qxe5+ 39. Kh1 Bc6 40. f3 Qe1+ 41. Kh2 Qxc1 42. b4 Qxc4 43. a3 h5 44. g4 hxg4 45. hxg4 fxg4 46. fxg4 Qxg4 47. a4 Qg2# 0-1

[Event "Villa Tehuelches op"]
[Site "Villa Tehuelches"]
[Date "2017.07.14"]
[Round "7"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Fernandez, Leandro Daniel"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1625"]
[PlyCount "74"]
[EventDate "2017.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. Bd3 c5 4. b3 Qf6 5. e5 Qxf4 6. Bb5+ Bd7 7. d3 Qxe5+ 8. Qe2 Qxa1 9. Ba4 Bxa4 10. bxa4 Qxb1 11. Qd1 Qxa2 12. Nf3 c4 13. Ne5 Nc6 14. Ng4 Bb4+ 15. Bd2 Bxd2+ 16. Kxd2 Qxa4 17. Qe1 c3+ 18. Ke2 Qxg4+ 19. Kf1 Qf4+ 20. Qf2 Qxf2+ 21. Kxf2 b5 22. Rb1 b4 23. Rc1 a5 24. g4 a4 25. Rg1 a3 26. h4 a2 27. Rf1 a1Q 28. Rxa1 Rxa1 29. g5 Nd4 30. h5 Nxc2 31. d4 b3 32. Kg3 b2 33. h6 b1Q 34. hxg7 Qg1+ 35. Kf3 Rf1+ 36. Ke2 Rf2+ 37. Kd3 Qg3# 0-1

[Event "Villa Tehuelches op"]
[Site "Villa Tehuelches"]
[Date "2017.07.13"]
[Round "5"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Silva Diaz, Sebastian"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1641"]
[PlyCount "42"]
[EventDate "2017.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. Bd3 Nc6 8. 0-0 Nxd4 9. Bd2 Bxf3 10. gxf3 Qh5 11. Be2 Qxh3 12. Be3 Nxe2+ 13. Nxe2 Rd8 14. Nf4 Qf5 15. Qe2 e6 16. Rad1 Bd6 17. Qd2 0-0 18. c4 Bxf4 19. Qxd8 Qg5+ 20. Kh1 Qh4+ 21. Kg2 Qh2# 0-1

[Event "Villa Tehuelches op"]
[Site "Villa Tehuelches"]
[Date "2017.07.13"]
[Round "4"]
[White "Vega, Rodrigo"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "1893"]
[PlyCount "101"]
[EventDate "2017.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. Qb3 Na5 8. Qa4+ Nc6 9. Nb5 Rc8 10. Nxa7 Ra8 11. Nxc6 bxc6 12. Qxc6+ Bd7 13. Qc2 Qa5+ 14. Bd2 Qa4 15. Qxa4 Bxa4 16. e3 e6 17. Bd3 Ne4 18. 0-0 Nxd2 19. Nxd2 Bb4 20. Nf3 0-0 21. a3 Bd6 22. Rfc1 Rac8 23. b4 Rc7 24. Rxc7 Bxc7 25. Rc1 Rc8 26. Ba6 Rb8 27. Rxc7 Rd8 28. Rc8 Rf8 29. Rxf8+ Kxf8 30. Kf1 f6 31. Ke2 Bb3 32. Kd2 g5 33. Kc3 Bc4 34. Bxc4 dxc4 35. Kxc4 g4 36. Nd2 e5 37. dxe5 fxe5 38. Kd5 h5 39. b5 h4 40. b6 Ke8 41. b7 Kf7 42. b8Q e4 43. Qd6 Kg7 44. Qe6 g3 45. hxg3 h3 46. gxh3 Kf8 47. Qd7 Kg8 48. Qe7 Kh8 49. Ke6 Kg8 50. Kf6 Kh8 51. Qg7# 1-0

[Event "Villa Tehuelches op"]
[Site "Villa Tehuelches"]
[Date "2017.07.12"]
[Round "3"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Diaz Munoz, Rodrigo Javier"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "29"]
[EventDate "2017.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. Nf3 Nh5 5. Ng5 Qxg5 6. d3 Qxg2 7. Rf1 Qxh2 8. Nd5 Bd6 9. Qg4 0-0 10. Bh6 Na5 11. Nf6+ Kh8 12. Nxh5 g6 13. Qg5 Qxh5 14. Qf6+ Kg8 15. Qg7# 1-0

[Event "Villa Tehuelches op"]
[Site "Villa Tehuelches"]
[Date "2017.07.11"]
[Round "2"]
[White "Maldonado Gomez, Rodolfo"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1834"]
[PlyCount "95"]
[EventDate "2017.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bb4+ 5. c3 Bd6 6. 0-0 0-0 7. Re1 Re8 8. a4 a5 9. Qb3 Re7 10. Nbd2 Bc5 11. Nf1 b6 12. Ng3 Ba6 13. Nf5 Bxc4 14. Nxe7+ Qxe7 15. Qxc4 Qe6 16. Qxe6 fxe6 17. h3 h6 18. Be3 Bxe3 19. Rxe3 d5 20. exd5 Nxd5 21. Re4 Nf4 22. Rc4 Ne7 23. Nxe5 Ne2+ 24. Kf1 Ng3+ 25. fxg3 Rf8+ 26. Kg1 Rf5 27. Re4 Nd5 28. Rae1 Rg5 29. Kh2 Nf6 30. R4e3 h5 31. Nf3 Rd5 32. d4 Rf5 33. Rxe6 Nd7 34. Re7 Nf8 35. Rxc7 g5 36. Ree7 Ng6 37. Rg7+ Kf8 38. Rxg6 Rf7 39. Rc8+ Ke7 40. Nxg5 Rf6 41. Rg7+ Kd6 42. Ne4+ Ke6 43. Nxf6 Kxf6 44. Rb7 Ke6 45. c4 Kf5 46. Re7 Kg6 47. Rc6+ Kg5 48. Re5# 1-0

[Event "Villa Tehuelches op"]
[Site "Villa Tehuelches"]
[Date "2017.07.11"]
[Round "1"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Arias, Juan Carlos"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2099"]
[PlyCount "56"]
[EventDate "2017.07.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CHI"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. f4 Bg7 4. Nf3 Nf6 5. Bd3 0-0 6. 0-0 c5 7. c4 cxd4 8. e5 Nh5 9. exd6 Qxd6 10. Ng5 Nc6 11. Ne4 Qd8 12. g4 Nf6 13. h3 Nxe4 14. Bxe4 f5 15. Bd5+ e6 16. Bxc6 bxc6 17. Qa4 Bd7 18. b4 d3 19. Qa5 Qh4 20. Nd2 Qg3+ 21. Kh1 Qxh3+ 22. Kg1 Bd4+ 23. Rf2 Qg3+ 24. Kh1 Qxf2 25. Nf3 Qxf3+ 26. Kh2 fxg4 27. Be3 Qh3+ 28. Kg1 Bxe3# 0-1

[Event "South American-ch U10"]
[Site "Santiago de Chile"]
[Date "2016.12.02"]
[Round "2.21"]
[White "Oyarzun Marquez, Benjamin Fernando"]
[Black "Arias Diaz, Miguel Angel"]
[Result "0-1"]
[ECO "B20"]
[BlackElo "1236"]
[PlyCount "27"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Qh5 g6 4. Qf3 Nf6 5. Bb5+ Bd7 6. Qb3 Nxe4 7. Nf3 Qb6 8. a4 a6 9. a5 Qxb5 10. c4 Qxb3 11. 0-0 Qxc4 12. Re1 Bg7 13. Na3 Qd5 14. h3 0-1

[Event "South American-ch U10"]
[Site "Santiago de Chile"]
[Date "2016.12.01"]
[Round "1.19"]
[White "Cucchi, Leonardo"]
[Black "Oyarzun Marquez, Benjamin Fernando"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1362"]
[PlyCount "35"]
[EventDate "2016.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHI"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. Bc4 c6 6. Bb3 e6 7. 0-0 Ne7 8. Bg5 f6 9. Be3 0-0 10. Bxe6+ Kh8 11. Bb3 Qb6 12. d5 Qa6 13. dxc6 bxc6 14. Qxd6 Rd8 15. Qxe7 Qa5 16. Na4 Bf8 17. Qe6 Rb8 18. Qg8# 1-0

