[Event "Vina del Mar CC qual"]
[Site "Vina del Mar"]
[Date "2018.12.07"]
[Round "2.1"]
[White "Fredes Retamal, Matias"]
[Black "Diaz Tapia, Juan Pablo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1071"]
[BlackElo "1858"]
[PlyCount "76"]
[EventDate "2018.12.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 b6 2. Nc3 e6 3. d4 Bb4 4. Bd2 Bb7 5. Bd3 Ne7 6. Nf3 d6 7. a3 Bxc3 8. Bxc3 Nd7 9. 0-0 a6 10. Re1 h6 11. Qe2 g5 12. Nd2 Ng6 13. e5 Nf4 14. Qe3 Nxg2 15. Qg3 Nxe1 16. Rxe1 dxe5 17. dxe5 Nc5 18. Be2 Na4 19. Rd1 Nxc3 20. Qxc3 Qe7 21. Nb3 Rd8 22. Nd4 c5 23. Nb3 Rxd1+ 24. Bxd1 Qd7 25. Be2 Qd5 26. f3 g4 27. Nd2 gxf3 28. Bxf3 Rg8+ 29. Kf1 Qd7 30. Be2 Rg5 31. Nc4 Bg2+ 32. Ke1 Qd4 33. Qb3 b5 34. Nd2 Rxe5 35. c3 Qg1+ 36. Nf1 Qxf1+ 37. Kd2 Rxe2+ 38. Kd3 Be4# 0-1

[Event "Vina del Mar CC qual"]
[Site "Vina del Mar"]
[Date "2018.12.07"]
[Round "5.4"]
[White "Fredes Retamal, Matias"]
[Black "Miranda Camus, Gonzalo"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1071"]
[BlackElo "1139"]
[PlyCount "92"]
[EventDate "2018.12.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Nc3 d5 5. exd5 Nxd5 6. Bd2 Bc5 7. Nxd5 Qxd5 8. Bc3 0-0 9. Qe2 Re8 10. Qe4 Qxe4+ 11. dxe4 a6 12. Rd1 Bb4 13. Bxb4 Nxb4 14. c3 Nc6 15. Bc4 Bg4 16. Be2 Be6 17. b3 Rad8 18. 0-0 f6 19. Rd2 Rxd2 20. Nxd2 Rd8 21. Rd1 Bf7 22. f3 Kf8 23. Kf2 Ke7 24. Ke1 b5 25. a3 Na5 26. b4 Nb7 27. Nf1 Rxd1+ 28. Bxd1 Nd6 29. Ne3 c6 30. g3 Be6 31. Kf2 Kd7 32. Ng2 Nc4 33. Ne3 Nxa3 34. f4 exf4 35. gxf4 Nb1 36. f5 Bf7 37. Bc2 Nxc3 38. Nd1 Nxd1+ 39. Bxd1 Kd6 40. Ke3 Ke5 41. h4 Ba2 42. Bc2 Bf7 43. Bd1 Bc4 44. Bc2 Bf7 45. Bd1 Be8 46. Bb3 g5 0-1

[Event "Vina del Mar CC qual"]
[Site "Vina del Mar"]
[Date "2018.12.07"]
[Round "6.4"]
[White "Gormaz Tapia, Ignacio"]
[Black "Fredes Retamal, Matias"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1523"]
[BlackElo "1071"]
[PlyCount "60"]
[EventDate "2018.12.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. Bd3 Bg4 5. Nbd2 e5 6. dxe5 Nxe5 7. Be2 Nc6 8. b3 Bb4 9. Bb2 0-0 10. a3 Bd6 11. 0-0 Qe7 12. c4 dxc4 13. Nxc4 Rad8 14. Nxd6 Qxd6 15. h3 Be6 16. Qc2 Bd5 17. Rfd1 Qe6 18. Nd2 Ne4 19. Nxe4 Bxe4 20. Qc3 Qg6 21. Bf1 Rfe8 22. g3 Bf3 23. Bd3 Qh6 24. Rd2 Ne5 25. Bf1 Rxd2 26. Qxd2 Nc6 27. Bg2 Bxg2 28. Kxg2 Qe6 29. Qc3 f6 30. Rd1 Qe7 1/2-1/2

[Event "Vina del Mar CC qual"]
[Site "Vina del Mar"]
[Date "2018.12.07"]
[Round "4.3"]
[White "Miranda Camus, Joaquin Ignacio"]
[Black "Fredes Retamal, Matias"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1456"]
[BlackElo "1071"]
[PlyCount "47"]
[EventDate "2018.12.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Ne7 6. Bc4 Nc6 7. Qe3 Bd6 8. Nc3 Qf6 9. Bd2 Be5 10. Nd5 Qg6 11. c3 Qxg2 12. 0-0-0 Bxh2 13. Nxc7+ Bxc7 14. Rdg1 Qxh1 15. Rxh1 Ne5 16. Bb3 Bb6 17. Qe2 0-0 18. f4 Nc6 19. Qh5 h6 20. f5 Rd8 21. Bxh6 Kf8 22. Bxg7+ Ke7 23. f6+ Ke8 24. Qh8# 1-0

[Event "Vina del Mar CC qual"]
[Site "Vina del Mar"]
[Date "2018.12.07"]
[Round "1.3"]
[White "Norero Valenzuela, Renato"]
[Black "Fredes Retamal, Matias"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1509"]
[BlackElo "1071"]
[PlyCount "86"]
[EventDate "2018.12.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. h3 Bc5 4. e3 0-0 5. a3 d5 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Ne2 Nc6 9. Nc3 Qd8 10. b4 Bd6 11. g3 Re8 12. Bg2 Bd7 13. 0-0 Qf6 14. Ne4 Qg6 15. Nxd6 Qxd6 16. Bb2 Be6 17. b5 Nd8 18. a4 Bd5 19. Ba3 Qe6 20. Rc1 c6 21. e4 Bb3 22. Qg4 Qxg4 23. hxg4 Bxa4 24. bxc6 Bxc6 25. Rc3 Ne6 26. f4 f6 27. f5 Nd4 28. Kh2 Nb5 29. Rb3 Nxa3 30. Rxa3 Red8 31. Rd1 Rd4 32. d3 Bb5 33. Rc3 Rd7 34. Bf1 g6 35. Rdc1 Rad8 36. Rc8 Bc6 37. Rxd8+ Rxd8 38. fxg6 hxg6 39. Rc3 Kg7 40. Be2 a5 41. Bd1 a4 42. Bc2 Ra8 43. Bb1 a3 0-1

[Event "Vina del Mar U2000 2nd"]
[Site "Vina del Mar"]
[Date "2018.06.16"]
[Round "2.7"]
[White "Fredes Retamal, Matias"]
[Black "Diaz Raby, Mauricio"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1132"]
[BlackElo "1214"]
[PlyCount "64"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bb5 dxe4 7. Nxe5 Qd5 8. Bxc6+ bxc6 9. Ng4 Qg5 10. h3 Bd6 11. d3 Bf4 12. dxe4 Bxc1 13. Rxc1 0-0 14. 0-0 Rd8 15. Qe2 h5 16. Ne3 a5 17. Qf3 Ba6 18. Rfd1 g6 19. Qg3 Qxg3 20. fxg3 Re8 21. Nf1 Rxe4 22. Rd7 Rc8 23. Nd2 Re2 24. Nf3 f6 25. Nd4 Rd2 26. c3 c5 27. Rc2 Rd1+ 28. Kf2 Rf1+ 29. Ke3 Re8+ 30. Kd2 cxd4 31. cxd4 Rf2+ 32. Kc3 Re3# 0-1

[Event "Vina del Mar U2000 2nd"]
[Site "Vina del Mar"]
[Date "2018.06.16"]
[Round "4.7"]
[White "Fredes Retamal, Matias"]
[Black "Molina Zavando, Cristobal Samuel"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1132"]
[BlackElo "909"]
[PlyCount "45"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bf4 0-0 6. e5 Ng4 7. h3 Nh6 8. Qd2 Nf5 9. Bd3 Nc6 10. Bxf5 Bxf5 11. Bh6 Nb4 12. 0-0 Re8 13. Bxg7 Kxg7 14. Rac1 Nc6 15. Rfe1 Qd7 16. Qf4 Nd8 17. Ne4 Ne6 18. Qh4 f6 19. exf6+ exf6 20. Nxf6 g5 21. Nxe8+ Rxe8 22. Nxg5 Qd8 23. Nxe6+ 1-0

[Event "Vina del Mar U2000 2nd"]
[Site "Vina del Mar"]
[Date "2018.06.16"]
[Round "3.8"]
[White "Villegas Ampuero, Consuelo"]
[Black "Fredes Retamal, Matias"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1154"]
[BlackElo "1132"]
[PlyCount "123"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. h3 Qe7 6. Re1 Be6 7. Bb3 Bxb3 8. axb3 Nf6 9. Nc3 0-0 10. d3 Rfe8 11. Be3 Bxe3 12. Rxe3 Qd7 13. Re1 d5 14. exd5 Nxd5 15. Nxd5 Qxd5 16. c4 Qd6 17. Qd2 Nd4 18. Nxd4 Qxd4 19. Rad1 Rad8 20. Qc3 b6 21. Qxd4 Rxd4 22. Re4 Rxe4 23. dxe4 Kf8 24. Rd7 Rc8 25. g3 Ke8 26. Rd1 Ke7 27. f4 Ke6 28. Kf2 g6 29. Rd5 f6 30. Kf3 c6 31. Rd1 f5 32. exf5+ Kxf5 33. g4+ Ke6 34. Re1 Rd8 35. Rxe5+ Kf6 36. g5+ Kf7 37. Ke3 c5 38. Rd5 Rxd5 39. cxd5 Ke7 40. Ke4 Kd6 41. f5 gxf5+ 42. Kxf5 Kxd5 43. Kf6 Ke4 44. h4 Kf4 45. Kg7 Kg4 46. Kxh7 Kxh4 47. g6 Kg5 48. g7 Kf6 49. g8Q Ke5 50. Qa8 Kd4 51. Qxa7 b5 52. b4 Kc4 53. Qxc5+ Kb3 54. Qxb5 Ka2 55. Qd3 Kxb2 56. Kg6 Kc1 57. Qe2 Kb1 58. Kf5 Ka1 59. Ke4 Kb1 60. Kd3 Ka1 61. Kc3 Kb1 62. Qb2# 1-0

[Event "Vina del Mar U2000 2nd"]
[Site "Vina del Mar"]
[Date "2018.06.15"]
[Round "1.5"]
[White "Marchant Loyola, Sebastian"]
[Black "Fredes Retamal, Matias"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1317"]
[BlackElo "1132"]
[PlyCount "89"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 d6 5. Bb3 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. d3 Qd7 9. Qg3 g6 10. Qf3 Bd8 11. Bg5 Qe7 12. Nd2 h6 13. Be3 Qd7 14. a3 g5 15. d4 exd4 16. cxd4 Qe7 17. Qf5 Qd7 18. Qb5 b6 19. Ba4 Nb8 20. Qc4 c6 21. d5 b5 22. dxc6 Nxc6 23. Bxb5 Rc8 24. Rc1 d5 25. exd5 Qxd5 26. Bxc6+ Rxc6 27. Qxc6+ Qxc6 28. Rxc6 0-0 29. 0-0 Kg7 30. Bxa7 Re8 31. Be3 Nd5 32. Bd4+ f6 33. b4 Be7 34. Bc5 Bd8 35. Nc4 Nc3 36. Bb6 Be7 37. Nd6 Ra8 38. Nf5+ Kf7 39. Nxe7 Kxe7 40. Rxc3 Kd6 41. Re1 Kd5 42. Rc5+ Kd6 43. b5 Rxa3 44. Rc4 Kd5 45. Rd4# 1-0

[Event "Vina del Mar U2000 5th"]
[Site "Vina del Mar"]
[Date "2018.02.10"]
[Round "4.4"]
[White "Fredes Retamal, Matias"]
[Black "Romero Kries, Mario Andres"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1151"]
[BlackElo "1625"]
[PlyCount "62"]
[EventDate "2018.02.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Nbxd7 6. d3 e6 7. 0-0 Be7 8. Be3 0-0 9. d4 cxd4 10. Bxd4 a6 11. Qd3 Nc5 12. Qe3 Qc7 13. Rfe1 Ncd7 14. e5 dxe5 15. Nxe5 Nxe5 16. Bxe5 Qc6 17. Rad1 Rfd8 18. Rd3 Rxd3 19. Qxd3 Rd8 20. Qg3 h6 21. h4 Ne8 22. Qg4 Nf6 23. Qg3 Ne8 24. Re4 f5 25. Re3 Bd6 26. Bxd6 Qxd6 27. Qg6 Nf6 28. Rd3 Qc7 29. Rxd8+ Qxd8 30. Qg3 b6 31. Qe3 Qd6 0-1

[Event "Vina del Mar U2000 5th"]
[Site "Vina del Mar"]
[Date "2018.02.10"]
[Round "5.5"]
[White "Miranda Camus, Gonzalo"]
[Black "Fredes Retamal, Matias"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1151"]
[PlyCount "86"]
[EventDate "2018.02.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 d6 5. 0-0 Nf6 6. Re1 0-0 7. d4 Bg4 8. Nbd2 exd4 9. cxd4 Nxd4 10. h3 Nxf3+ 11. Nxf3 Bd7 12. Qb3 b6 13. Ng5 Qe8 14. Bf4 Ba4 15. Qe3 Bb5 16. Rac1 Bxc4 17. Rxc4 Qd7 18. Rd1 c5 19. e5 Ne8 20. Ne4 d5 21. Rd2 Qc6 22. Rc1 dxe4 23. Rcd1 Nc7 24. Rd7 Rfe8 25. e6 Nxe6 26. Bg3 Rad8 27. R7d2 Rxd2 28. Rxd2 Bg5 29. f4 Bh6 30. Rf2 Nc7 31. Bh2 a6 32. g4 g6 33. g5 Bg7 34. b3 Bd4 35. Qe2 Bxf2+ 36. Qxf2 b5 37. Qe2 Kg7 38. Qb2+ f6 39. gxf6+ Qxf6 40. Qc2 Qc6 41. Qb2+ Kf7 42. Qc3 e3 43. Kf1 Qf3+ 0-1

[Event "Vina del Mar U2000 5th"]
[Site "Vina del Mar"]
[Date "2018.02.10"]
[Round "2.4"]
[White "Parraguez Cornejo, Jose Luis"]
[Black "Fredes Retamal, Matias"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1663"]
[BlackElo "1151"]
[PlyCount "47"]
[EventDate "2018.02.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[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 d6 4. d4 Bd7 5. Nc3 h6 6. dxe5 Nxe5 7. Nxe5 Bxb5 8. Nxf7 Kxf7 9. Qd5+ Ke7 10. Qxb5 Rb8 11. Nd5+ Kf7 12. Qc4 Be7 13. Nxc7+ Kg6 14. Qe6+ Nf6 15. Nd5 Qd7 16. Nxe7+ Kh7 17. Qf7 Qg4 18. 0-0 Qxe4 19. f3 Qxc2 20. Bxh6 Kxh6 21. Rac1 Qd3 22. Rc3 Qd4+ 23. Kh1 Qf4 24. Qg6# 1-0

[Event "Vina del Mar U2000 5th"]
[Site "Vina del Mar"]
[Date "2018.02.09"]
[Round "1.1"]
[White "Fredes Retamal, Matias"]
[Black "Campos Zambrano, Alexis Andres"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1151"]
[BlackElo "1628"]
[PlyCount "98"]
[EventDate "2018.02.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d3 e5 4. Be2 d4 5. Nb1 Bb4+ 6. Bd2 Qa5 7. Bg4 Nd7 8. a3 Bxd2+ 9. Qxd2 Qc5 10. Nf3 Ngf6 11. Bxd7+ Nxd7 12. 0-0 0-0 13. c3 Qd6 14. Qc2 c5 15. Nbd2 b5 16. c4 a6 17. cxb5 axb5 18. a4 bxa4 19. Rxa4 Rxa4 20. Qxa4 Nb6 21. Nc4 Nxa4 22. Nxd6 f6 23. Rc1 Nxb2 24. Rxc5 Ba6 25. Ne1 Nxd3 26. Nxd3 Bxd3 27. f3 Rd8 28. Nf5 g6 29. Ng3 Rb8 30. Kf2 Rb2+ 31. Ke1 Rxg2 32. Nf1 Rg1 33. Kd2 Bxf1 34. Rc1 Rg2+ 35. Ke1 Be2 36. Rc2 Bxf3 37. Rxg2 Bxg2 38. Kd2 Bxe4 39. Ke2 d3+ 40. Kd2 Kf7 41. h3 Ke6 42. h4 Kd5 43. Ke3 f5 44. h5 f4+ 45. Kf2 Kd4 46. hxg6 hxg6 47. Ke1 Ke3 48. Kd1 Bf3+ 49. Kc1 d2+ 0-1

[Event "Vina del Mar Cepa U2000 4th"]
[Site "Vina del Mar"]
[Date "2017.07.22"]
[Round "3.3"]
[White "Fredes Retamal, Matias"]
[Black "Ulloa Perez, Roberto"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "1128"]
[BlackElo "1800"]
[PlyCount "78"]
[EventDate "2017.07.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. 0-0 0-0 6. Re1 a6 7. Bxc6 dxc6 8. d4 Bg4 9. dxe5 Bxf3 10. Qxf3 Bxe5 11. Bf4 Qe7 12. Bxe5 Qxe5 13. Rad1 Rad8 14. Qe3 Ng4 15. Qg3 Qxg3 16. hxg3 Rfe8 17. f3 Ne5 18. Kf2 f6 19. f4 Nc4 20. b3 Na3 21. Rc1 Rd2+ 22. Re2 Red8 23. Nb1 Nxb1 24. Rxb1 Rd1 25. Rxd1 Rxd1 26. e5 fxe5 27. fxe5 Kf7 28. c4 Ke6 29. Kf3 Rd4 30. g4 c5 31. Re4 Rxe4 32. Kxe4 g5 33. a3 a5 34. a4 b6 35. Kf3 Kxe5 36. Ke3 c6 37. g3 Kd6 38. Ke4 Ke6 39. Kf3 Kf6 1/2-1/2

[Event "Vina del Mar Cepa U2000 4th"]
[Site "Vina del Mar"]
[Date "2017.07.21"]
[Round "1.3"]
[White "Aguirre Adaros, Joaquin Antonio"]
[Black "Fredes Retamal, Matias"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1821"]
[BlackElo "1128"]
[PlyCount "63"]
[EventDate "2017.07.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. d4 e6 5. Bd3 Be7 6. 0-0 0-0 7. b3 b6 8. Ne5 Bd6 9. f4 c5 10. Qf3 cxd4 11. exd4 Bb7 12. Qh3 Nbd7 13. Bb2 h6 14. Nd2 Qe7 15. Rae1 Bb4 16. Re2 Nxe5 17. fxe5 Nd7 18. Bb1 Rac8 19. Qd3 g6 20. cxd5 exd5 21. e6 f5 22. exd7 Qxd7 23. Rfe1 Bc6 24. Qh3 Qg7 25. a3 Bd6 26. Nf3 Rfe8 27. Rxe8+ Bxe8 28. Ne5 Bb5 29. Bd3 Be8 30. Qf3 Bf7 31. Nxf7 Qxf7 32. Qe3 1-0

[Event "Valparaiso op 1st"]
[Site "Valparaiso"]
[Date "2016.01.27"]
[Round "6"]
[White "Fredes Retamal, Matias"]
[Black "Lemus Pena, Sebastian"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1079"]
[PlyCount "86"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Nbd7 5. e5 dxe5 6. dxe5 Nh5 7. g4 Ng7 8. Bh6 c6 9. Bh3 Qc7 10. Qe2 b6 11. g5 Bb7 12. Bxd7+ Qxd7 13. Rd1 Qc7 14. 0-0 Qc8 15. Rd2 Ba6 16. Qd1 Bxf1 17. Bxg7 Bxg7 18. Kxf1 0-0 19. Ke1 Qf5 20. Re2 Qxf3 21. Re4 Qh1+ 22. Ke2 Qxh2 23. e6 fxe6 24. Qf1 Qh5+ 25. f3 Qxg5 26. Rxe6 Rad8 27. Qe1 Bxc3 28. bxc3 Qg2+ 29. Qf2 Rd2+ 30. Kxd2 Qxf2+ 31. Re2 Qxf3 32. Rxe7 Qd5+ 33. Ke2 Qxa2 34. Ke3 Qxc2 35. Rxa7 Qxc3+ 36. Ke4 Re8+ 37. Kf4 Qf6+ 38. Kg4 h5+ 39. Kg3 Re4 40. Ra8+ Kh7 41. Ra7+ Kh6 42. Kg2 Rg4+ 43. Kh3 Qh4# 0-1

[Event "Valparaiso op 1st"]
[Site "Valparaiso"]
[Date "2016.01.27"]
[Round "4"]
[White "Lemus Pena, Macarena"]
[Black "Fredes Retamal, Matias"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1210"]
[PlyCount "111"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 dxc4 4. Bg2 Nf6 5. Qa4+ Bd7 6. Qxc4 Bc6 7. 0-0 Qd5 8. d3 Qxc4 9. dxc4 Nbd7 10. Nc3 Bb4 11. Bd2 0-0-0 12. a3 Ne5 13. Nxe5 Bxg2 14. Kxg2 Rxd2 15. axb4 Rxb2 16. Nd3 Rb3 17. Rxa7 Kb8 18. Rxb7+ Kxb7 19. Nc5+ Kc8 20. Nxb3 h5 21. h3 g5 22. Ra1 Kd7 23. Nc5+ Kd6 24. N3e4+ Nxe4 25. Nxe4+ Ke7 26. Nxg5 h4 27. g4 f5 28. Kh2 fxg4 29. hxg4 Rg8 30. f4 e5 31. e3 exf4 32. exf4 Kf6 33. Ra6+ Ke7 34. Kh3 Rf8 35. f5 Rh8 36. Nf3 Kd7 37. Nxh4 c6 38. c5 Kc7 39. Kg3 Kb7 40. Rb6+ Kc7 41. Ng6 Rb8 42. Rxb8 Kxb8 43. Ne7 Kc7 44. f6 Kd7 45. Nxc6 Kxc6 46. f7 Kb5 47. f8Q Kxb4 48. c6+ Kc4 49. c7 Kd5 50. Qf5+ Kd6 51. c8R Ke7 52. Rc7+ Kd6 53. Qc5+ Ke6 54. Re7+ Kf6 55. Qd6+ Kg5 56. Re5# 1-0

[Event "Valparaiso op 1st"]
[Site "Valparaiso"]
[Date "2016.01.27"]
[Round "5"]
[White "Moncada Hormazabal, Meryant Margot"]
[Black "Fredes Retamal, Matias"]
[Result "0-1"]
[ECO "C25"]
[PlyCount "56"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 f6 3. Qh5+ g6 4. Qf3 Nc6 5. Bc4 Nd4 6. Qd1 c6 7. Nf3 Nxf3+ 8. gxf3 d5 9. 0-0 dxc4 10. b3 Be6 11. Rb1 b5 12. Qe2 b4 13. Na4 cxb3 14. axb3 Bd6 15. c3 bxc3 16. dxc3 Rb8 17. Ra1 Bxb3 18. Nb2 a5 19. Bh6 Nxh6 20. Qe3 g5 21. f4 gxf4 22. Qh3 Rg8+ 23. Kh1 Bc2 24. Qxh6 Bxe4+ 25. f3 Bd5 26. Qxh7 Rxb2 27. Rxa5 Rb1 28. Rxb1 Bxf3# 0-1

[Event "Valparaiso op 1st"]
[Site "Valparaiso"]
[Date "2016.01.26"]
[Round "2"]
[White "Bustamante Cruz, Cristian"]
[Black "Fredes Retamal, Matias"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1500"]
[PlyCount "47"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Bb4 5. Qc2 Nf6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Ne4 9. Be5 f6 10. Bg3 Bxc3+ 11. bxc3 dxc4 12. Qxe4 Qd5 13. Qg6+ Ke7 14. Qg7+ Kd8 15. Qxh8+ Ke7 16. Qg7+ Ke8 17. Bxb8 Rxb8 18. Qxf6 Qa5 19. Qg6+ Ke7 20. Qc2 Kf6 21. Ne5 Ke7 22. e3 Bd7 23. Qh7+ Kf8 24. Qf7# 1-0

[Event "Valparaiso op 1st"]
[Site "Valparaiso"]
[Date "2016.01.26"]
[Round "3"]
[White "Fredes Retamal, Matias"]
[Black "Ojeda Meneses, Pablo"]
[Result "0-1"]
[ECO "C21"]
[BlackElo "1902"]
[PlyCount "108"]
[EventDate "2016.01.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CHI"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Nc6 6. g3 Qf6 7. Be3 Bxd4 8. Nd5 Qe5 9. Nxc7+ Qxc7 10. Bxd4 Nxd4 11. Qxd4 Nf6 12. e5 Qa5+ 13. b4 Qd5 14. Qxd5 Nxd5 15. a3 0-0 16. c4 Ne7 17. 0-0-0 f6 18. exf6 Rxf6 19. f4 d6 20. Bg2 Bg4 21. Rd2 Rc8 22. Bxb7 Rxc4+ 23. Rc2 Rxc2+ 24. Kxc2 Nf5 25. Kd2 Nd4 26. Kd3 Nb5 27. Bd5+ Kf8 28. h3 Bf5+ 29. Be4 Bxe4+ 30. Kxe4 Nxa3 31. Rc1 Nb5 32. g4 Rh6 33. Kd5 Rxh3 34. Rc6 Rc3 35. Rxc3 Nxc3+ 36. Kxd6 Na2 37. b5 Nc3 38. Kc5 Ke7 39. b6 Na4+ 40. Kb5 Nxb6 41. Ka6 Nc8 42. Kb7 a5 43. Kxc8 a4 44. Kb7 a3 45. Kc6 a2 46. Kd5 a1Q 47. Ke4 Qa4+ 48. Ke3 Kd6 49. g5 Kd5 50. Kd3 Qb3+ 51. Ke2 Ke4 52. Kd2 Qb2+ 53. Ke1 Ke3 54. Kd1 Qb1# 0-1

