[Event "Uni De Paula Santander op 3rd"]
[Site "Ocana"]
[Date "2017.10.01"]
[Round "6"]
[White "Arciniegas Castro, Santiago"]
[Black "Sanchez, Alonso"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1700"]
[BlackElo "1600"]
[PlyCount "33"]
[EventDate "2017.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 a6 4. Nf3 Nc6 5. c3 g6 6. Bd3 Bg7 7. 0-0 0-0 8. Ne5 Nh5 9. Nxc6 bxc6 10. Bg5 Nf6 11. Qa4 Qd6 12. Bf4 Qd7 13. Qa5 Ra7 14. Qc5 Ra8 15. Qa5 Ra7 16. Qc5 Ra8 17. Qa5 1/2-1/2

[Event "Uni De Paula Santander op 3rd"]
[Site "Ocana"]
[Date "2017.09.30"]
[Round "5"]
[White "Sanchez, Alonso"]
[Black "Silva Torres, Jorge J"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1600"]
[BlackElo "1881"]
[PlyCount "58"]
[EventDate "2017.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c4 Nf6 4. d3 e6 5. Be2 Be7 6. Nc3 0-0 7. 0-0 Nc6 8. Bg5 h6 9. Bh4 a6 10. a3 Rb8 11. h3 b5 12. cxb5 axb5 13. Bg3 b4 14. axb4 Rxb4 15. b3 Qb6 16. Ra3 Nd4 17. Nxd4 cxd4 18. Na2 Rb5 19. Nc1 Bb7 20. Kh1 Rc8 21. Bf3 d5 22. Ra4 dxe4 23. dxe4 Bxe4 24. Bxe4 Nxe4 25. Rxd4 Rxc1 26. Rd8+ Qxd8 27. Qxc1 Nxg3+ 28. fxg3 Qb8 29. Rf3 Bd6 0-1

[Event "Uni De Paula Santander op 3rd"]
[Site "Ocana"]
[Date "2017.09.30"]
[Round "4"]
[White "Valderrama Espinosa, Gilberto"]
[Black "Sanchez, Alonso"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2266"]
[BlackElo "1600"]
[PlyCount "53"]
[EventDate "2017.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d6 5. Nf3 Qa5+ 6. Nc3 Nf6 7. Bd3 g6 8. h3 Bg7 9. 0-0 0-0 10. Be3 a6 11. a3 Qc7 12. Rc1 Qd8 13. b4 Na7 14. Qd2 Re8 15. Bh6 Bh8 16. Ng5 Qb6 17. e5 dxe5 18. dxe5 Nh5 19. Nd5 Qd8 20. Nc7 Bd7 21. Nxa8 Qxa8 22. Bc4 Be6 23. Nxe6 Qb8 24. Nc7 Rd8 25. Bxf7+ Kxf7 26. Qa2+ e6 27. Qxe6# 1-0

[Event "Uni De Paula Santander op 3rd"]
[Site "Ocana"]
[Date "2017.09.29"]
[Round "2"]
[White "Navarro Rincon, Jaime Alberto"]
[Black "Sanchez, Alonso"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1600"]
[PlyCount "52"]
[EventDate "2017.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Be2 d6 6. Nxd4 cxd4 7. Nd5 Be6 8. c4 dxc3 9. dxc3 Bxd5 10. Qxd5 Qc7 11. Be3 Nf6 12. Qd4 e5 13. Qa4+ Nd7 14. Bg4 b5 15. Qb3 Nf6 16. Bf3 Be7 17. 0-0-0 0-0 18. Bg5 h6 19. Bxf6 Bxf6 20. Rhf1 Rfd8 21. g3 Rab8 22. Bg2 a5 23. Rd5 b4 24. Kb1 bxc3 25. Rc1 Rxb3 26. axb3 Qb6 0-1

[Event "Uni De Paula Santander op 3rd"]
[Site "Ocana"]
[Date "2017.09.29"]
[Round "1"]
[White "Sanchez, Alonso"]
[Black "Duran, Ricardo"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1600"]
[BlackElo "1965"]
[PlyCount "82"]
[EventDate "2017.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 d6 2. h3 Nf6 3. Nc3 e5 4. Nf3 h6 5. Be2 Be7 6. 0-0 0-0 7. d3 c6 8. Nh2 b5 9. a3 a6 10. Bg4 d5 11. exd5 cxd5 12. Bf3 Bb7 13. Re1 Nbd7 14. Bd2 Bc5 15. Na2 e4 16. dxe4 dxe4 17. Be2 Qb6 18. Rf1 Rad8 19. Qe1 Rfe8 20. Ba5 Qc6 21. Bxd8 e3 22. f3 Rxd8 23. Rd1 Bd6 24. Qc3 Nc5 25. b4 Qc7 26. bxc5 Bxh2+ 27. Kh1 Rxd1 28. Rxd1 Ng4 29. hxg4 Qe7 30. Qd4 Bc7 31. Kg1 Kh7 32. Qd7 Qh4 33. Bd3+ g6 34. Qxf7+ Kh8 35. Qe8+ Kg7 36. Qxg6+ Kf8 37. Qf5+ Kg7 38. Qg6+ Kf8 39. Qf5+ Kg7 40. Qd7+ Kf8 41. Qf5+ Kg7 1/2-1/2

