[Event "Villa Alemana op"]
[Site "Villa Alemana"]
[Date "2020.02.22"]
[Round "3.4"]
[White "Orrego Astudillo, Angelo"]
[Black "Valencia Castaneda, Juan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1193"]
[BlackElo "1372"]
[PlyCount "36"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Bb5 Bd7 7. Nbd2 a6 8. Ba4 b5 9. Bc2 Be7 10. dxc5 Bxc5 11. Nb3 Be7 12. Nfd4 0-0 13. 0-0 Nxd4 14. exd4 b4 15. Re1 bxc3 16. bxc3 Rc8 17. Bd2 Ba3 18. Rb1 Bb5 1/2-1/2

[Event "Villa Alemana op"]
[Site "Villa Alemana"]
[Date "2020.02.22"]
[Round "2.4"]
[White "Valencia Castaneda, Juan"]
[Black "Alvarado Morales, Nicolas"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1372"]
[BlackElo "1797"]
[PlyCount "65"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. d4 e6 4. Nc3 d5 5. Bg5 c6 6. e3 Bd6 7. Bd3 0-0 8. cxd5 exd5 9. Qc2 Qe8 10. Bxf5 Bxf5 11. Qxf5 Nbd7 12. 0-0 b5 13. Qh3 b4 14. Ne2 Ne4 15. Bf4 Bxf4 16. Nxf4 Rf6 17. Rac1 Qe7 18. Rc2 Rh6 19. Qg4 Rf8 20. Rfc1 Rff6 21. Nh4 Rxf4 22. Qxf4 Rxh4 23. Qf3 Qd6 24. g3 Ng5 25. Qf5 Rh5 26. Qg4 Nf6 27. Qc8+ Qf8 28. Qxf8+ Kxf8 29. h4 Nge4 30. Rxc6 Rf5 31. Rf1 Ke7 32. Kg2 Nd6 33. b3 1/2-1/2

[Event "Villa Alemana op"]
[Site "Villa Alemana"]
[Date "2020.02.22"]
[Round "4.3"]
[White "Valencia Castaneda, Juan"]
[Black "Mella, Leonardo"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1372"]
[BlackElo "2083"]
[PlyCount "92"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 e6 6. d3 d5 7. 0-0 Nge7 8. Qc2 d4 9. Ne4 b6 10. Bg5 h6 11. Bf6 0-0 12. Qd2 Bxf6 13. Nxf6+ Kg7 14. Qc1 Kxf6 15. Qxh6 Nf5 16. Qg5+ Kg7 17. Qxd8 Nxd8 18. Nxd4 Nxd4 19. Bxa8 Nxe2+ 20. Kg2 Bb7+ 21. Bxb7 Nxb7 22. Rab1 Rd8 23. Rfe1 Nd4 24. Red1 a5 25. b3 Rd7 26. a3 Nc6 27. f4 Rd4 28. Kf3 Nd6 29. h3 e5 30. h4 exf4 31. gxf4 Nf5 32. h5 gxh5 33. Rg1+ Kf6 34. Rbd1 Rd8 35. Rh1 Ncd4+ 36. Kf2 h4 37. Rh3 Nxb3 38. Rb1 a4 39. Rb2 Rd6 40. Rf3 Kg6 41. Kg1 Nbd4 42. Rh3 Kh5 43. Rg2 Rg6 44. Rg5+ Kh6 45. Rg2 Ne2+ 46. Kf2 Nxf4 0-1

[Event "CHI-ch sf qual U1600"]
[Site "La Ligua"]
[Date "2019.11.23"]
[Round "4.1"]
[White "Meneses Riveros, Franco Naim"]
[Black "Valencia Castaneda, Juan"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "985"]
[BlackElo "1427"]
[PlyCount "96"]
[EventDate "2019.11.23"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Bf4 Nc6 7. a3 Qb6 8. Rb1 cxd4 9. Ne2 Qa5+ 10. Qd2 Qxd2+ 11. Kxd2 Bc5 12. Kd3 b6 13. b4 Be7 14. Nexd4 Nxd4 15. Nxd4 0-0 16. Nc6 Bd8 17. Nxd8 Rxd8 18. g3 Ba6+ 19. Kd2 Bxf1 20. Rhxf1 Rdc8 21. Rbc1 Rc4 22. c3 Rac8 23. Rfe1 h6 24. Kd3 g5 25. Bd2 Ra8 26. Rb1 a5 27. Rb3 axb4 28. cxb4 Rac8 29. Bc3 Kf8 30. Rf1 g4 31. Re1 h5 32. Re2 Ke7 33. Ra2 Re4 34. Re2 Rcc4 35. Re3 Rxe3+ 36. fxe3 Re4 37. a4 Nxe5+ 38. Bxe5 Rxe5 39. a5 bxa5 40. bxa5 d4 41. a6 Ra5 42. Rb7+ Kd6 43. a7 dxe3 44. Kxe3 f6 45. Rb6+ Kd7 46. Rb7+ Kc6 47. Re7 Kd6 48. Rb7 f5 1/2-1/2

[Event "CHI-ch sf qual U1600"]
[Site "La Ligua"]
[Date "2019.11.23"]
[Round "5.1"]
[White "Valencia Castaneda, Juan"]
[Black "Aravena Cabib, Matias"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1427"]
[BlackElo "1245"]
[PlyCount "44"]
[EventDate "2019.11.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. d4 b6 5. Be2 Be7 6. 0-0 0-0 7. Nc3 Ba6 8. b3 Re8 9. Bb2 dxc4 10. bxc4 Nbd7 11. a3 c5 12. d5 Nf8 13. e4 exd5 14. cxd5 Bxe2 15. Qxe2 Ng6 16. Rad1 a6 17. e5 Nd7 18. Rfe1 Bf8 19. e6 b5 20. Qc2 Nf6 21. Ng5 fxe6 22. dxe6 Qb6 1/2-1/2

[Event "CHI-ch sf qual U1600"]
[Site "La Ligua"]
[Date "2019.11.23"]
[Round "3.2"]
[White "Valencia Castaneda, Juan"]
[Black "Gonzalez Osorio, Rafael"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1427"]
[BlackElo "1117"]
[PlyCount "75"]
[EventDate "2019.11.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CHI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 0-0 5. Nf3 Nc6 6. 0-0 Re8 7. e3 e4 8. Ng5 Bb4 9. Ncxe4 Ne5 10. d3 c6 11. a3 Ba5 12. b4 Bc7 13. c5 d6 14. cxd6 Bxd6 15. d4 Ng6 16. Bb2 Bf5 17. Nxf6+ Qxf6 18. e4 Be6 19. e5 Nxe5 20. dxe5 Bxe5 21. Ne4 Qf5 22. Bxe5 Qxe5 23. Nc5 Red8 24. Qe1 Qxe1 25. Rfxe1 Rac8 26. Rad1 Bg4 27. Rxd8+ Rxd8 28. Nxb7 Rf8 29. Bxc6 h6 30. Nc5 Kh7 31. Be4+ g6 32. f3 Bc8 33. Re2 Kg7 34. Rd2 Re8 35. g4 Re5 36. Rd5 Re8 37. Kf2 Kf6 38. h4 1-0

[Event "CHI-ch sf qual U1600"]
[Site "Quilpue"]
[Date "2019.11.03"]
[Round "4.3"]
[White "Valencia Castaneda, Juan"]
[Black "Gasic Merino, Martin Andrei"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1427"]
[BlackElo "1191"]
[PlyCount "51"]
[EventDate "2019.11.02"]
[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 Nf6 2. Nf3 e6 3. e3 b6 4. d4 Bb7 5. Be2 d5 6. Nc3 Bd6 7. b3 0-0 8. 0-0 Nc6 9. cxd5 exd5 10. Bb2 a6 11. Rc1 Re8 12. a3 Qe7 13. b4 b5 14. Qb3 Na7 15. Rc2 c6 16. Rfc1 Bc8 17. Bd3 Ng4 18. Re1 Nf6 19. e4 dxe4 20. Nxe4 Be6 21. Qc3 Nd5 22. Qd2 Bf4 23. Qe2 Nf6 24. Nxf6+ gxf6 25. Qe4 Bg5 26. Qxh7+ 1-0

[Event "CHI-ch sf qual U1600"]
[Site "Quilpue"]
[Date "2019.11.03"]
[Round "6.3"]
[White "Valencia Castaneda, Juan"]
[Black "Muller Wieland, Siegfried"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1427"]
[BlackElo "1308"]
[PlyCount "66"]
[EventDate "2019.11.02"]
[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 Nf6 2. Nf3 g6 3. d4 Bg7 4. e3 c5 5. Nc3 0-0 6. Be2 d6 7. 0-0 a6 8. b3 Bd7 9. Bb2 Qc7 10. d5 Ne4 11. Qc2 Nxc3 12. Bxc3 Bxc3 13. Qxc3 a5 14. e4 Na6 15. Rfe1 f6 16. a3 Qd8 17. Nd2 Nc7 18. f4 e5 19. fxe5 fxe5 20. b4 axb4 21. axb4 Rxa1 22. Rxa1 Na6 23. bxc5 Nxc5 24. Qb4 Qh4 25. Bf3 Qf4 26. Qc3 Qh6 27. Nb3 Na4 28. Qb4 Qe3+ 29. Kh1 Rxf3 30. gxf3 Qxf3+ 31. Kg1 Nc3 32. Ra2 Nxa2 33. Qxb7 Nc3 0-1

[Event "CHI-ch sf qual U1600"]
[Site "Quilpue"]
[Date "2019.11.03"]
[Round "5.2"]
[White "Varela Varas, Patricia"]
[Black "Valencia Castaneda, Juan"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1581"]
[BlackElo "1427"]
[PlyCount "85"]
[EventDate "2019.11.02"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 Nc6 9. Bb5 Bd7 10. 0-0 0-0 11. c3 a6 12. Bd3 Ne7 13. Ne5 Bc6 14. Qh5 g6 15. Ng4 Qxd4 16. cxd4 gxh5 17. Nf6+ Kh8 18. Nxh7 Rg8 19. f3 f5 20. Nf6 Rg6 21. Nxh5 Rd8 22. Nf4 Rh6 23. Ne2 Rg8 24. Rac1 Ng6 25. g3 Nh4 26. Kf2 Nxf3 27. Rxc6 bxc6 28. Kxf3 Rxh2 29. Bxa6 Re8 30. Rc1 e5 31. dxe5 Rxe5 32. Rxc6 Re7 33. Rf6 Re5 34. Rc6 Re7 35. Bc4 Kg7 36. a4 Rh1 37. a5 Rf1+ 38. Kg2 Ra1 39. a6 Ra4 40. Nd4 Re4 41. Nxf5+ Kf8 42. Rf6+ Ke8 43. Bb5+ 1-0

[Event "CHI-ch sf qual U1600"]
[Site "Quilpue"]
[Date "2019.11.02"]
[Round "3.3"]
[White "Araya Vergara, Matias"]
[Black "Valencia Castaneda, Juan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1214"]
[BlackElo "1427"]
[PlyCount "123"]
[EventDate "2019.11.02"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Qb3 Qxb3 7. axb3 cxd4 8. cxd4 Nge7 9. Bg5 Bd7 10. Nc3 a6 11. Bd3 Nb4 12. Kd2 Nxd3 13. Kxd3 Nc6 14. Bd2 Nb4+ 15. Ke2 Be7 16. h4 Rc8 17. g4 h5 18. gxh5 Rxh5 19. Rag1 g6 20. Bg5 Nc6 21. Na4 Nb4 22. Nc3 Nc6 23. Na4 Na7 24. Bxe7 Kxe7 25. Rc1 Rhh8 26. Nb6 Bb5+ 27. Kd2 Rc6 28. Na4 Rhc8 29. Nc5 b6 30. Nb7 Rxc1 31. Rxc1 Rxc1 32. Kxc1 Be2 33. Ne1 Nc6 34. Nc2 Bd3 35. Nd6 Kf8 36. Ne1 Be2 37. Nc2 Na5 38. Kd2 Bg4 39. Kc3 Nc6 40. b4 b5 41. Na1 Bd1 42. Kd2 Ba4 43. b3 Nxd4 44. bxa4 bxa4 45. Kc3 Nc6 46. f4 Ke7 47. b5 axb5 48. Nxb5 f6 49. Nd4 Nd8 50. Kb4 fxe5 51. fxe5 Nf7 52. Kxa4 Nxe5 53. Kb4 Kf6 54. Nab3 Nd7 55. Kc3 e5 56. Nf3 Kf5 57. Nbd2 Kg4 58. Kd3 Kf4 59. Ke2 e4 60. Ne1 Nf6 61. Ng2+ Kg3 62. Kf1 1/2-1/2

