[Event "Antofagasta Zicosur op 1st"]
[Site "Antofagasta"]
[Date "2015.01.10"]
[Round "9"]
[White "Sandoval Blanco, Sebastian"]
[Black "Valderrama Dahmen, Mauricio"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1628"]
[BlackElo "1822"]
[PlyCount "87"]
[EventDate "2015.01.05"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 Qb6 5. Nf3 Nc6 6. exd5 exd5 7. Qe2+ Be7 8. dxc5 Qxc5 9. Be3 Qd6 10. Na3 a6 11. Rd1 Be6 12. Ng5 Nf6 13. Nxe6 fxe6 14. 0-0 0-0 15. Rfe1 e5 16. f3 Rad8 17. Bb6 Rb8 18. Bb1 Nd7 19. Bf2 Bf6 20. Qd3 g6 21. Qxd5+ Qxd5 22. Rxd5 Rbd8 23. Bc2 Kg7 24. Be4 Ndb8 25. Red1 Rxd5 26. Rxd5 Rd8 27. Rxd8 Bxd8 28. Bc5 Bg5 29. Nc2 Bc1 30. b3 Bb2 31. c4 Bd4+ 32. Nxd4 exd4 33. Kf1 Kf6 34. f4 h6 35. Ke2 g5 36. fxg5+ hxg5 37. Bd6 Nd7 38. Bd5 Nde5 39. a3 Na5 40. c5 Nac6 41. b4 Kf5 42. Bxe5 Kxe5 43. Bxc6 bxc6 44. Kd3 1-0

[Event "Antofagasta Zicosur op 1st"]
[Site "Antofagasta"]
[Date "2015.01.09"]
[Round "8"]
[White "Valderrama Dahmen, Mauricio"]
[Black "Tito, Eduardo"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1822"]
[BlackElo "1747"]
[PlyCount "56"]
[EventDate "2015.01.05"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Qxd4 Nc6 6. Qd1 Bb4 7. Bd2 d5 8. cxd5 exd5 9. a3 Ba5 10. e3 0-0 11. Bb5 d4 12. Bxc6 dxc3 13. Bxc3 Bxc3+ 14. bxc3 bxc6 15. 0-0 Qa5 16. Qd4 Rd8 17. Qb4 Qc7 18. Rfd1 Bg4 19. Rxd8+ Rxd8 20. Nd4 c5 21. Qc4 Qb6 22. Nf3 Be6 23. Qf1 Qb3 24. Qc1 Ne4 25. Rb1 Qc4 26. Nd2 Qd3 27. Nf1 Nxc3 28. Rb2 Bc4 0-1

[Event "Antofagasta Zicosur op 1st"]
[Site "Antofagasta"]
[Date "2015.01.07"]
[Round "5"]
[White "Soto Fontecilla, David Alejandro"]
[Black "Valderrama Dahmen, Mauricio"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1523"]
[BlackElo "1822"]
[PlyCount "53"]
[EventDate "2015.01.05"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Bb4 7. Bd2 Nf6 8. 0-0 0-0 9. Qe2 d6 10. Rfe1 Nbd7 11. Rad1 Bc5 12. Nf3 b5 13. e5 dxe5 14. Nxe5 Bd6 15. Nf3 Bb7 16. Ne4 Be7 17. Bc3 b4 18. Nxf6+ Nxf6 19. Be5 Qa5 20. Bc4 Rfd8 21. Nd4 Rac8 22. Rd2 Ne4 23. Qg4 Qxe5 24. Nf3 Qf5 25. Qxf5 exf5 26. Rxd8+ Rxd8 27. Nh4 0-1

[Event "Antofagasta Zicosur op 1st"]
[Site "Antofagasta"]
[Date "2015.01.07"]
[Round "4"]
[White "Valderrama Dahmen, Mauricio"]
[Black "Brizuela Veliz, Javier"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1822"]
[PlyCount "41"]
[EventDate "2015.01.05"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bf4 e6 5. e3 Bd6 6. Bxd6 Qxd6 7. c5 Qd8 8. Nc3 b5 9. b4 a6 10. a3 Bb7 11. Bd3 Nbd7 12. 0-0 0-0 13. a4 Qc7 14. a5 h6 15. Re1 Rfe8 16. Qc2 e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Ne2 Bc8 20. Nd4 Bd7 21. Rad1 1/2-1/2

[Event "Antofagasta Zicosur op 1st"]
[Site "Antofagasta"]
[Date "2015.01.06"]
[Round "3"]
[White "Suarez Ohiggins, Luis"]
[Black "Valderrama Dahmen, Mauricio"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2003"]
[BlackElo "1822"]
[PlyCount "111"]
[EventDate "2015.01.05"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Qb3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 0-0 9. Bd3 f5 10. 0-0 Qf6 11. Nd2 Ng5 12. f4 Nf7 13. b3 Qg6 14. Nf3 d6 15. Bb2 Nd7 16. d5 Nh6 17. Rae1 Rae8 18. e4 exd5 19. exd5 Nc5 20. Nd4 Bc8 21. b4 Ne4 22. Nb5 Qf7 23. Nxa7 Bd7 24. a4 Ra8 25. Nb5 Bxb5 26. axb5 Rfe8 27. Rf3 Ng4 28. h3 Ngf6 29. Rfe3 Ra2 30. Ra1 Rea8 31. Rxa2 Rxa2 32. Qb1 Ra4 33. Ba1 Qg6 34. Bc2 Ra8 35. Bd3 h5 36. Bd4 h4 37. Re1 Kh7 38. Bxf6 Qxf6 39. Bxe4 Qd4+ 40. Kf1 fxe4 41. Qxe4+ Qxe4 42. Rxe4 Ra4 43. Re7 Rxb4 44. Rxc7 Kg6 45. Rc6 Kf5 46. Rxd6 Kxf4 47. Rg6 Ke3 48. Re6+ Kf4 49. Ke2 Rb2+ 50. Kd3 Rxg2 51. Re4+ Kg5 52. d6 Rg1 53. c5 bxc5 54. Kc4 Rc1+ 55. Kd5 Rd1+ 56. Kc6 1-0

[Event "Antofagasta Zicosur op 1st"]
[Site "Antofagasta"]
[Date "2015.01.05"]
[Round "1"]
[White "Contreras Santibanez, Monica"]
[Black "Valderrama Dahmen, Mauricio"]
[Result "1-0"]
[ECO "E12"]
[BlackElo "1822"]
[PlyCount "59"]
[EventDate "2015.01.05"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CHI"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bf4 d6 6. e3 Be7 7. Be2 0-0 8. h3 Nbd7 9. 0-0 c6 10. a4 d5 11. Qb3 dxc4 12. Bxc4 Nd5 13. Nxd5 cxd5 14. Be2 Nf6 15. Rfc1 Rc8 16. a5 Bd6 17. Rxc8 Bxc8 18. Bxd6 Qxd6 19. a6 Ne4 20. Rc1 h6 21. Bd3 Rd8 22. Ne5 Bd7 23. Bxe4 dxe4 24. Rc3 Be8 25. Qc2 f5 26. Rc7 Ra8 27. Rc8 Qd5 28. Qc7 Kh7 29. Rxa8 Qxa8 30. Qb7 1-0

