[Event "COL-ch Amateurs U2000"]
[Site "Bogota"]
[Date "2021.06.26"]
[Round "6"]
[White "Estrada, Walter"]
[Black "Lopez Rayo, Isabella"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1958"]
[BlackElo "1723"]
[PlyCount "62"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c4 d6 3. g3 e5 4. Bg2 g6 5. Nc3 Bg7 6. d3 Nc6 7. Nge2 Nge7 8. 0-0 0-0 9. a3 a6 10. Rb1 Nd4 11. Nxd4 cxd4 12. Nd5 Nxd5 13. exd5 f5 14. f4 Qc7 15. b4 Rb8 16. Qc2 b6 17. Bd2 Bd7 18. fxe5 Bxe5 19. Bf4 Bf6 20. c5 bxc5 21. bxc5 Rxb1 22. Bxd6 Rxf1+ 23. Kxf1 Qd8 24. Bxf8 Qxf8 25. c6 Bc8 26. Qb3 Qd6 27. Ke2 Kg7 28. a4 f4 29. gxf4 Qxf4 30. h3 Qe3+ 31. Kf1 Bh4 0-1

[Event "COL-ch Amateurs U2000"]
[Site "Bogota"]
[Date "2021.06.26"]
[Round "5"]
[White "Mogollon Tobar, Nicolle Juliet"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1656"]
[BlackElo "1958"]
[PlyCount "51"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 Bf5 6. Be2 Nc6 7. Nf3 e6 8. 0-0 Nge7 9. a3 Ng6 10. Nc3 Nh4 11. Be3 Nxf3+ 12. Bxf3 Be7 13. Bg4 g6 14. Bxf5 gxf5 15. Qh5 a6 16. b4 Rc8 17. Ne2 0-0 18. Bh6 Re8 19. f4 f6 20. Rf3 Bf8 21. Raf1 Bxh6 22. Qxh6 Kh8 23. Rg3 Rc7 24. exf6 Rg8 25. Rff3 Qf8 26. Rxg8+ 1-0

[Event "COL-ch Amateurs U2000"]
[Site "Bogota"]
[Date "2021.06.25"]
[Round "4"]
[White "Estrada, Walter"]
[Black "Suarez Pinto, Sergio Rafael"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "1958"]
[BlackElo "1848"]
[PlyCount "41"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 d5 8. Nxd4 Bd7 9. exd5 Nxd4 10. d6 Ne6 11. dxe7 Qxe7 12. Bb3 0-0-0 13. Qe2 Rhe8 14. Nc3 Qb4 15. Be3 Nd4 16. Qf1 Nxb3 17. axb3 Bc6 18. Qc4 Qxc4 19. bxc4 Ne4 20. Nxe4 Rxe4 21. b3 1/2-1/2

[Event "COL-ch Amateurs U2000"]
[Site "Bogota"]
[Date "2021.06.24"]
[Round "2"]
[White "Estrada, Walter"]
[Black "Pinillo Canon, Silvana"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1958"]
[BlackElo "1749"]
[PlyCount "80"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Be3 0-0-0 10. 0-0-0 Ne7 11. Rd2 Ng6 12. Rhd1 Bd6 13. Nb3 Bg4 14. f3 Be6 15. Nc5 Bf7 16. g3 Ne5 17. Rf2 Rhe8 18. b3 b6 19. Nd3 c5 20. Nd5 Kb7 21. c4 c6 22. Nc3 Bh5 23. Nxe5 Bxe5 24. Ne2 Rxd1+ 25. Kxd1 Bd4 26. Bxd4 Rd8 27. Kc2 cxd4 28. Kd3 c5 29. g4 Bf7 30. f4 h5 31. g5 fxg5 32. fxg5 Bg6 33. h4 Re8 34. Ng3 Kc7 35. Nf5 Kd7 36. Rf4 Rg8 37. Ng3 Ke6 38. Nf5 Ke5 39. Rf2 Ke6 40. Ke2 Rf8 1/2-1/2

[Event "COL-ch Amateurs U2000"]
[Site "Bogota"]
[Date "2021.06.24"]
[Round "3"]
[White "Moreno Marino, Juan Nicolas"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1743"]
[BlackElo "1958"]
[PlyCount "74"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 Nc6 7. Bxc6+ bxc6 8. Be3 e5 9. Nf3 f6 10. Qa4 Rb8 11. Nd2 Be7 12. Bxc5 0-0 13. Bxe7 Qxe7 14. 0-0 Ne6 15. Qxc6 Nd4 16. Qe4 Bb7 17. Qh4 Qb4 18. Nde4 f5 19. a3 Qa5 20. b4 Qc7 21. Nc5 Rf6 22. Rac1 Ba8 23. Qh5 Rh6 24. Qg5 a5 25. f3 axb4 26. axb4 Rxb4 27. Na6 Qb6 28. e3 Ne6 29. Nd5 Nxg5 30. Rc8+ Kf7 31. Nxb6 Rbxb6 32. Rxa8 Rxa6 33. Rxa6 Rxa6 34. f4 exf4 35. gxf4 Ne6 36. Kg2 Ra2+ 37. Kg3 Nc5 0-1

[Event "COL-ch Amateurs U2000"]
[Site "Bogota"]
[Date "2021.06.23"]
[Round "1"]
[White "Casas Ospina, Favio"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1828"]
[BlackElo "1958"]
[PlyCount "52"]
[EventDate "2021.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 cxd4 5. cxd4 Nc6 6. Nc3 Bf5 7. g4 Bg6 8. h4 h5 9. e6 fxe6 10. Bd3 Bxd3 11. Qxd3 Qb6 12. Nge2 hxg4 13. Qg6+ Kd7 14. Qxg4 Nf6 15. Qh3 Nxd4 16. Nxd4 Qxd4 17. Be3 Qg4 18. Qh2 Qb4 19. 0-0-0 Rc8 20. Rd4 Qb5 21. f3 g6 22. Kd1 Qc6 23. Rg1 Bh6 24. Bxh6 Rxh6 25. Qd2 Rch8 26. Qe1 Qb6 0-1

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "1.4"]
[White "Estrada, Walter"]
[Black "Salazar Zumbado, Stanley"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1966"]
[BlackElo "1761"]
[PlyCount "154"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bf4 h5 7. h4 Na6 8. Bxa6 bxa6 9. Qe2+ Be7 10. 0-0-0 Qd5 11. c4 Qxg2 12. Bd6 Be6 13. Rh2 Qg6 14. Bxe7 Kxe7 15. b3 Qf5 16. Qe3 Rhd8 17. Ne2 Kf8 18. Rg1 Rab8 19. Rhg2 g6 20. Nc3 Qa5 21. f3 Qa3+ 22. Kd1 Kg7 23. Qd3 f5 24. Kc2 Qd6 25. Ne2 a5 26. Qc3 Kf8 27. Qxa5 f4 28. Rg5 Re8 29. R1g2 Bf5+ 30. Kc1 Qe6 31. Qc5+ Re7 32. Qe5 Qxe5 33. dxe5 Rxe5 34. Nxf4 Re1+ 35. Kb2 Rd8 36. Nxh5 Rb1+ 37. Ka3 c5 38. Rb2 Ra1 39. Ka4 Bd7+ 40. Ka5 gxh5 41. Rxh5 Rc8 42. Rd2 Ke7 43. Re5+ Be6 44. f4 Rf1 45. Re4 Kf6 46. Rh2 Kf5 47. Ree2 Rxf4 48. h5 Kf6 49. Ka6 Rc7 50. h6 Rc8 51. Kxa7 Rh8 52. Kb6 Rf5 53. a4 Rg5 54. a5 Ke7 55. a6 Rgg8 56. Kxc5 Ra8 57. Ra2 Rhc8+ 58. Kd4 Rd8+ 59. Kc3 Bf5 60. b4 Rd3+ 61. Kb2 Rh3 62. Rxh3 Bxh3 63. a7 Kf6 64. Kc3 Bf5 65. Kd4 Kg6 66. b5 Bc8 67. b6 Kxh6 68. Ke5 Bb7 69. Kf6 Kh5 70. Kxf7 Kg5 71. Ke6 Rc8 72. Ra5+ Kg6 73. c5 Rc6+ 74. Kd7 Rc8 75. a8Q Rxa8 76. Rxa8 Bxa8 77. c6 Kf7 1-0

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "2.2"]
[White "Munoz Henriquez, Alba Esther"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "1730"]
[BlackElo "1966"]
[PlyCount "38"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[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 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Bxc6 dxc6 7. Nxe5 Be7 8. d4 0-0 9. Bf4 Nf5 10. Nf3 Be6 11. c3 a5 12. Nbd2 c5 13. Nb3 c4 14. Nbd2 c5 15. dxc5 Bxc5 16. Qa4 Nh4 17. Nxh4 Qxh4 18. Bg3 Qg4 19. h3 Qxg3 0-1

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "6"]
[White "Bonilla, Pablo"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "C46"]
[BlackElo "1966"]
[PlyCount "37"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[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 Bb4 4. Nd5 Ba5 5. Bc4 Nf6 6. 0-0 d6 7. d3 Bg4 8. Ne3 Bxf3 9. Qxf3 Nd4 10. Qd1 Qd7 11. f4 exf4 12. Rxf4 Ne6 13. Rf1 Bb6 14. Kh1 0-0-0 15. a4 a6 16. b4 h5 17. c3 a5 18. Nd5 Ng4 19. Bb5 1-0

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "3"]
[White "Estrada, Walter"]
[Black "Aoyama, Edmundo"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "1966"]
[BlackElo "1828"]
[PlyCount "92"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. Be3 a6 9. Qe2 Bd7 10. 0-0-0 Na5 11. g4 Nxb3+ 12. Nxb3 Bc6 13. Bd4 0-0 14. f4 Qc8 15. g5 Nd7 16. Be3 Nc5 17. Nxc5 dxc5 18. Rdg1 b5 19. Bd2 b4 20. Nd1 Bb5 21. Qh5 c4 22. Rg3 Qb7 23. Nf2 c3 24. Be3 cxb2+ 25. Kb1 Bc6 26. Ng4 Bxe4 27. Nf6+ Bxf6 28. gxf6 Bg6 29. Qd1 Rfd8 30. Qf1 Rac8 31. f5 exf5 32. Bf4 Qe4 33. Rg2 Rc4 34. Rf2 Rdc8 35. Qd1 Bh5 36. Qg1 Bg6 37. Qd1 gxf6 38. Re1 Qc6 39. Kxb2 Re4 40. Ree2 a5 41. Rd2 Kg7 42. h4 h5 43. Rd3 a4 44. Rg3 a3+ 45. Kb1 Rce8 46. Qxh5 Rxf4 0-1

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "9"]
[White "Estrada, Walter"]
[Black "Hernandez Luna, Jose Angel"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1966"]
[BlackElo "1819"]
[PlyCount "89"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 d6 4. g3 g6 5. Bg2 Bg7 6. Nge2 e5 7. 0-0 Be6 8. d3 Qd7 9. Nd5 Nge7 10. Bg5 Bxd5 11. cxd5 Nd8 12. Qd2 0-0 13. Bh6 Bxh6 14. Qxh6 f5 15. Bh3 Nf7 16. Qd2 Qd8 17. f4 Kh8 18. fxe5 Nxe5 19. Nf4 Qb6 20. Ne6 Rf7 21. Kh1 a5 22. a3 Qb3 23. d4 cxd4 24. Qxd4 Qd3 25. Qxd3 Nxd3 26. Rad1 Ne5 27. exf5 gxf5 28. Bg2 N7g6 29. Rc1 Kg8 30. Rc3 Nf8 31. Nd4 f4 32. gxf4 Neg6 33. f5 Ne5 34. Rfc1 Nfd7 35. Bh3 Nf6 36. Ne6 h6 37. Nf4 Ne4 38. Rc8+ Rxc8 39. Rxc8+ Rf8 40. Rxf8+ Kxf8 41. Bf1 Ke7 42. Ne6 Nf6 43. Nf4 Ne4 44. Ne6 Nf6 45. Nf4 1/2-1/2

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "8"]
[White "Jimenez Esquivel, Greivin"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1918"]
[BlackElo "1966"]
[PlyCount "142"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. b3 d5 4. cxd5 Nxd5 5. Bb2 Nc6 6. Nf3 e5 7. e4 Nf4 8. Qb1 Bg4 9. Nd5 Nxd5 10. exd5 Qxd5 11. Bc4 Qd6 12. Ng5 Bh5 13. 0-0 Be7 14. Ne4 Qh6 15. Ng3 Bg6 16. Qe1 0-0 17. a3 Rad8 18. Bc3 a6 19. a4 Rfe8 20. Qe3 Qh4 21. f4 exf4 22. Rxf4 Qh6 23. Re1 Bf8 24. Ne4 Bd6 25. Rg4 Qxh2+ 26. Kf1 Rxe4 27. Rxe4 Bxe4 28. Qxe4 Qf4+ 29. Qxf4 Bxf4 30. Re4 Bd6 31. Ke2 Kf8 32. d3 f6 33. Kd2 Be5 34. Rh4 h6 35. Be6 Bxc3+ 36. Kxc3 Nd4 37. Bh3 Re8 38. b4 Ne2+ 39. Kc4 cxb4 40. Kxb4 Rd8 41. Kc4 b5+ 42. axb5 axb5+ 43. Kxb5 Rxd3 44. Kc4 Re3 45. Bf5 Ke7 46. Bd3 Ng3 47. Kd4 Re5 48. Rh3 Ne2+ 49. Kc4 Nf4 50. Rg3 Nxd3 51. Kxd3 Kf7 52. Rf3 h5 53. Rf2 g5 54. Ra2 Kg6 55. Rb2 Kf5 56. Rf2+ Kg6 57. Ra2 g4 58. Ra8 Kg5 59. g3 Rf5 60. Rg8+ Kh6 61. Ke4 Rf3 62. Rh8+ Kg6 63. Rg8+ Kh7 64. Ra8 Rxg3 65. Kf5 Rf3+ 66. Ke6 g3 67. Kf7 h4 68. Rb8 g2 69. Rb4 Kh6 70. Rxh4+ Kg5 71. Rh7 Rg3 0-1

[Event "Pan American-ch Amateur U2000"]
[Site "San Jose"]
[Date "2019.10.??"]
[Round "4"]
[White "Mata Tencio, Randall"]
[Black "Estrada, Walter"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1689"]
[BlackElo "1966"]
[PlyCount "65"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. c3 cxd4 4. cxd4 Nc6 5. Nc3 Nf6 6. Bf4 Qb6 7. Na4 Qb4+ 8. Bd2 Qd6 9. e3 Ne4 10. Rc1 e6 11. Bd3 Nxd2 12. Qxd2 Be7 13. 0-0 0-0 14. Bb1 f5 15. Nc5 b6 16. Nd3 Ba6 17. Rfd1 Bxd3 18. Bxd3 Bf6 19. Bb5 Ne7 20. Rc3 a6 21. Bd3 b5 22. Rdc1 Rfc8 23. Rxc8+ Rxc8 24. Rxc8+ Nxc8 25. Qc3 Ne7 26. b4 Qc6 27. Qc5 Kf7 28. Kf1 Ke8 29. Ke2 Kd8 30. Kd2 g5 31. Kc3 Qxc5+ 32. bxc5 Nc6 33. a4 1/2-1/2

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2019.06.22"]
[Round "3"]
[White "Cabrera Novoa, Emanuel"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1321"]
[BlackElo "1940"]
[PlyCount "62"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 c6 3. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nbd2 a5 8. Nh4 a4 9. f4 a3 10. Nc4 d5 11. Nxa3 Qb6+ 12. Kh1 Ng4 13. Qf3 Rxa3 14. h3 dxe4 15. Qe2 Nh6 16. bxa3 Bxa1 17. Qxe4 Bf6 18. Nf3 Nf5 19. Kh2 Be6 20. c4 Na6 21. g4 Nc5 22. Qe2 Nd4 23. Qf2 Nxd3 24. Qd2 Nxf3+ 25. Bxf3 Nxc1 26. Rxc1 Rd8 27. Qe2 Qd4 28. Kg3 g5 29. fxg5 Bxg5 30. Re1 Qf4+ 31. Kg2 Rd2 0-1

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2019.06.22"]
[Round "2"]
[White "Estrada, Walter"]
[Black "Villada, Jose Daniel"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1940"]
[PlyCount "61"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. 0-0 Nc5 9. Qe2 Be7 10. f4 0-0 11. Nf3 Nxb3 12. axb3 b6 13. Rd1 Bb7 14. f5 Qc7 15. fxe6 fxe6 16. Ng5 Qc5+ 17. Be3 Qc8 18. Bxb6 h6 19. Nf3 Qc6 20. Bd4 e5 21. Nd5 Nxd5 22. exd5 Qxd5 23. Bxe5 Qe6 24. Ra5 Bxf3 25. gxf3 dxe5 26. Rxe5 Bc5+ 27. Kh1 Qc6 28. Qc4+ Kh8 29. Rdd5 Qf6 30. Rxc5 Qxf3+ 31. Kg1 0-1

[Event "Medellin Aristizabal Cup"]
[Site "Medellin"]
[Date "2019.06.21"]
[Round "1"]
[White "Giraldo Villa, Carlos Arturo"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "1491"]
[BlackElo "1940"]
[PlyCount "54"]
[EventDate "2019.06.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 Bxc3 6. Bxc6 dxc6 7. dxc3 Qxd1 8. Rxd1 Bg4 9. h3 Bh5 10. Rd3 Nxe4 11. Nxe5 0-0 12. Bf4 Nf6 13. Nd7 Nd5 14. Nxf8 Nxf4 15. Rd4 Ne2+ 16. Kh2 Nxd4 17. cxd4 Kxf8 18. Re1 Re8 19. Rxe8+ Kxe8 20. g4 Bg6 21. c3 Kd7 22. f4 Be4 23. Kg3 f5 24. Kf2 Ke6 25. Ke3 Bg2 26. gxf5+ Kxf5 27. h4 Kg4 0-1

[Event "Medellin IRT de Segunda Antioquia"]
[Site "Medellin"]
[Date "2019.05.26"]
[Round "7.1"]
[White "Estrada, Walter"]
[Black "Echeverry, Jose Miguel"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1944"]
[BlackElo "1812"]
[PlyCount "121"]
[EventDate "2019.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 g6 8. Nc3 Bg7 9. Be3 Bd7 10. Nb3 b6 11. Bd4 f6 12. 0-0-0 0-0-0 13. Be3 Ne7 14. Rd2 Be6 15. Nd4 Bf7 16. Rhd1 c5 17. Nde2 Rxd2 18. Rxd2 Rd8 19. Rxd8+ Kxd8 20. f4 Be6 21. h3 h5 22. Ng1 Nc8 23. Nf3 Nd6 24. Kd1 Kd7 25. Nh4 Bf7 26. g4 hxg4 27. hxg4 Kc6 28. Ke2 b5 29. Kf3 b4 30. Nd5 f5 31. gxf5 gxf5 32. Ne7+ Kb5 33. e5 Bh5+ 34. Kg2 Nc4 35. Bc1 a5 36. Nhxf5 Bh8 37. Ne3 a4 38. N7f5 Na5 39. Kg3 b3 40. axb3 axb3 41. c3 Nc4 42. Kh4 Be8 43. Kg5 Nxe5 44. fxe5 Bxe5 45. Ne7 Bd7 46. N7d5 c6 47. c4+ Ka6 48. Nf6 Be6 49. Ne4 Bd4 50. Kf4 Kb6 51. Nd2 Ka5 52. Nxb3+ Kb4 53. Nd2 Bf6 54. Nc2+ Ka4 55. b3+ Ka5 56. Ne4 Bg7 57. Nxc5 Bxc4 58. bxc4 Bh6+ 59. Ke4 Bxc1 60. Nb3+ Ka4 61. Nxc1 1-0

[Event "Medellin IRT de Segunda Antioquia"]
[Site "Medellin"]
[Date "2019.05.26"]
[Round "6"]
[White "Varela Garcia, Maria de los Angele"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1764"]
[BlackElo "1944"]
[PlyCount "96"]
[EventDate "2019.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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 Nf6 5. d3 0-0 6. Nbd2 d6 7. h3 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Nf1 Bb7 12. Ng3 g6 13. Bh6 Re8 14. h4 Qc7 15. h5 d5 16. hxg6 fxg6 17. Qe2 dxe4 18. dxe4 c4 19. Nh2 Rad8 20. Ng4 Bc8 21. Nxf6+ Bxf6 22. Bd2 Be6 23. 0-0-0 Nb7 24. Qe3 Nc5 25. Qh6 Qg7 26. Qe3 Qe7 27. Rh2 a5 28. Rdh1 Rxd2 29. Rxh7 Qd8 30. Qh6 Rd1+ 31. Rxd1 Bg5+ 32. Kb1 Bxh6 33. Rxd8 Rxd8 34. Rxh6 Rd2 35. Rxg6+ Kf7 36. Rg5 Kf6 37. f4 exf4 38. Rxc5 fxg3 39. e5+ Kg5 40. Be4 Kf4 41. Kc1 Rf2 42. Ba8 Ke3 43. b4 Kd3 44. a3 Kxc3 45. Kb1 Bf5+ 46. Ka1 Rf1+ 47. Ka2 Bb1+ 48. Ka1 Bc2+ 0-1

[Event "Medellin IRT de Segunda Antioquia"]
[Site "Medellin"]
[Date "2019.05.25"]
[Round "5.6"]
[White "Estrada, Walter"]
[Black "Llano Buritica, Eduardo Alejandro"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1944"]
[BlackElo "1824"]
[PlyCount "71"]
[EventDate "2019.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Bc4 Bf5 7. Bd2 e6 8. Nd5 Qd8 9. Nxf6+ Qxf6 10. Ne5 Bd6 11. Qe2 0-0 12. Bb3 c5 13. Bc3 Qg5 14. dxc5 Bc7 15. Nf3 Qf4 16. Bd2 Qe4 17. Qxe4 Bxe4 18. 0-0-0 Na6 19. Be3 Rfd8 20. a3 Rac8 21. Bc4 Nb8 22. b4 Nd7 23. Ng5 Bxg2 24. Rhg1 Ne5 25. Bxe6 Rxd1+ 26. Kxd1 Rd8+ 27. Ke2 Bd5 28. Bxd5 Rxd5 29. Ne4 Kf8 30. Bf4 Rd4 31. Ke3 Rc4 32. Bxe5 Bxe5 33. Kd3 Rd4+ 34. Ke3 Rc4 35. Kd3 Rd4+ 36. Ke3 1/2-1/2

[Event "Medellin IRT de Segunda Antioquia"]
[Site "Medellin"]
[Date "2019.05.25"]
[Round "4"]
[White "Restrepo, Hugo"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1724"]
[BlackElo "1944"]
[PlyCount "47"]
[EventDate "2019.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. c3 Bg4 9. h3 Bh5 10. Re1 Qd7 11. a4 b4 12. a5 Ne7 13. Nbd2 0-0 14. Nf1 bxc3 15. bxc3 Rab8 16. Bc4 c6 17. Ne3 Qa7 18. g4 Bg6 19. Qe2 d5 20. exd5 cxd5 21. Ba2 e4 22. Ne5 d4 23. Nxg6 Nxg6 24. Nd5 0-1

[Event "Medellin IRT de Segunda Antioquia"]
[Site "Medellin"]
[Date "2019.05.24"]
[Round "3"]
[White "Estrada, Walter"]
[Black "Lopez Gonzalez, Carlos Andres"]
[Result "0-1"]
[ECO "B37"]
[WhiteElo "1944"]
[BlackElo "1799"]
[PlyCount "68"]
[EventDate "2019.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Nd7 10. Be3 Nc5 11. Qd2 Bxc3 12. Qxc3 Nxe4 13. Qe1 Nf6 14. Bh6 Re8 15. Ne3 Nd4 16. Rd1 Qb6 17. Qd2 e5 18. Bd3 Ng4 19. Nd5 Qd8 20. Bg5 f6 21. f3 fxg5 22. fxg4 Rf8 23. Rxf8+ Kxf8 24. Rf1+ Kg7 25. Rf6 Be6 26. Rf1 Bxd5 27. cxd5 Rc8 28. Qf2 Qe7 29. Qe3 Rc5 30. b4 Rc3 31. Qd2 Rc8 32. Bb1 Rf8 33. Rxf8 Qxf8 34. Bd3 Qf4 0-1

[Event "Medellin IRT de Segunda Antioquia"]
[Site "Medellin"]
[Date "2019.05.23"]
[Round "2.3"]
[White "Benjumea, David"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "1763"]
[BlackElo "1944"]
[PlyCount "62"]
[EventDate "2019.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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 Nf6 4. d3 Ne7 5. Nc3 Ng6 6. a3 c6 7. Bc4 Be7 8. 0-0 0-0 9. h3 d6 10. Re1 b5 11. Ba2 a5 12. b4 axb4 13. axb4 Be6 14. Bd2 Bxa2 15. Rxa2 Rxa2 16. Nxa2 Nd7 17. g4 Nb6 18. Nc3 Qd7 19. Ne2 h5 20. Nh2 h4 21. f4 exf4 22. Nxf4 Nxf4 23. Bxf4 d5 24. Be3 Na4 25. Bd2 dxe4 26. Rxe4 Bd6 27. Nf1 f5 28. gxf5 Qxf5 29. Qe2 Qxh3 30. Qg2 Qxg2+ 31. Kxg2 h3+ 0-1

[Event "Medellin IRT de Segunda Antioquia"]
[Site "Medellin"]
[Date "2019.05.22"]
[Round "1.3"]
[White "Estrada, Walter"]
[Black "Suaza Builes, Oscar A"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1944"]
[BlackElo "1510"]
[PlyCount "93"]
[EventDate "2019.05.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 d6 3. d4 e6 4. f4 Be7 5. Nf3 Bd7 6. Bd3 Bh4+ 7. g3 Be7 8. 0-0 Nf6 9. Qe2 a6 10. a3 0-0 11. e5 Ne8 12. Bd2 f5 13. d5 Nb8 14. exd6 Bxd6 15. dxe6 Bc6 16. Rae1 Qe7 17. Ng5 Rf6 18. Bc4 Bc5+ 19. Be3 Bd6 20. Bd4 Bc5 21. Qe3 Bxd4 22. Qxd4 Nd6 23. Ba2 a5 24. Nf7 Na6 25. Rd1 Re8 26. Nxd6 cxd6 27. Qxd6 Kf8 28. Rfe1 Nc5 29. Qxe7+ Rxe7 30. Rd8+ Be8 31. Rd6 Bc6 32. b4 axb4 33. axb4 Nd7 34. b5 Be4 35. Rxd7 Rxd7 36. exd7 Ke7 37. Nd5+ Kxd7 38. Nxf6+ gxf6 39. c4 Kd6 40. Kf2 Kc5 41. Ke3 h5 42. Rd1 b6 43. Rd8 Bc2 44. Kd2 Be4 45. Kc3 h4 46. gxh4 Bb1 47. Rd5# 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.25"]
[Round "8"]
[White "Benjumea, David"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1763"]
[BlackElo "1944"]
[PlyCount "63"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nc3 h6 8. h3 d6 9. a3 Qe7 10. Nd5 Nxd5 11. Bxd5 Bb7 12. Be3 0-0-0 13. b4 Bxe3 14. fxe3 Nb8 15. Bxb7+ Kxb7 16. c4 Nd7 17. Qc2 c6 18. 0-0 g5 19. Rfc1 Rc8 20. a4 g4 21. hxg4 Rhg8 22. axb5 cxb5 23. Qa2 Ra8 24. cxb5 Nb6 25. bxa6+ Ka7 26. Rc6 Rgc8 27. Rac1 Rxc6 28. Rxc6 Rc8 29. Rxc8 Nxc8 30. b5 Qd7 31. Qd5 Kb6 32. Nxe5 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.25"]
[Round "9"]
[White "Estrada, Walter"]
[Black "Bravo, Juan Eduardo"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1944"]
[BlackElo "1758"]
[PlyCount "81"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Be3 0-0-0 10. 0-0-0 Ne7 11. Nb3 Ng6 12. Nc5 Ne5 13. Nxd7 Rxd7 14. Bd4 Bd6 15. Bxe5 fxe5 16. Ne2 Rf8 17. f3 Rfd8 18. c3 Bc5 19. Rxd7 Rxd7 20. Rd1 Be3+ 21. Kc2 Rxd1 22. Kxd1 Kd7 23. Kc2 Ke6 24. Kd3 Bc5 25. g3 g5 26. f4 exf4 27. gxf4 gxf4 28. Nxf4+ Ke5 29. Ng2 Bf2 30. Ne3 Bxe3 31. Kxe3 h5 32. h4 c5 33. a3 c4 34. Kf3 c5 35. Ke3 b5 36. Kf3 a5 37. Ke3 b4 38. Kf3 b3 39. Ke3 Ke6 40. Kf4 Kf6 41. e5+ 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "7"]
[White "Estrada, Walter"]
[Black "Torres Benitez, Fabio Ignacio"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1944"]
[BlackElo "1805"]
[PlyCount "87"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. 0-0 Qf6 10. Qh3 Ne7 11. f4 Bd4+ 12. Kh1 Rd8 13. e5 Qf5 14. Qxf5 Nxf5 15. g4 Ne3 16. Bxe3 Bxe3 17. Rad1 Ke7 18. Kg2 Rxd1 19. Nxd1 Bc1 20. Kf3 Rd8 21. Ne3 Bd2 22. Nf5+ Kf8 23. Rd1 g6 24. Ng3 Ke7 25. Ne4 Ba5 26. Rxd8 Kxd8 27. Ng5 Ke7 28. Nxh7 c5 29. Nf6 c6 30. h4 Bd8 31. h5 gxh5 32. gxh5 Ke6 33. Ke4 Bxf6 34. f5+ Ke7 35. exf6+ Kxf6 36. h6 b6 37. c3 b5 38. a3 a5 39. Kf4 a4 40. Ke4 c4 41. Kf4 c5 42. Ke4 b4 43. Kf4 b3 44. Ke4 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.24"]
[Round "6"]
[White "Martinez Paipa, Hernan"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "1797"]
[BlackElo "1944"]
[PlyCount "32"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf6 12. g3 Bd6 13. Re1 Ng4 14. Bd5 Bxg3 15. Bxa8 Qh4 16. Bg2 Bxh2+ 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.23"]
[Round "5"]
[White "Estrada, Walter"]
[Black "Latorre, Franklin Leandro"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1944"]
[BlackElo "1775"]
[PlyCount "100"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Be2 0-0 8. 0-0 Bg4 9. c4 Re8 10. h3 Bh5 11. b3 Nd7 12. Bb2 Nf8 13. Qc2 Rc8 14. Rad1 Qe7 15. Bd3 Bxf3 16. gxf3 Bb8 17. Kg2 Ng6 18. Bxg6 hxg6 19. Rh1 Bf4 20. Rde1 Qxe1 21. Rxe1 Rxe1 22. Bc3 Rc1 23. Qd3 Re8 24. a4 b6 25. b4 g5 26. c5 bxc5 27. dxc5 Bc7 28. Qd7 Rd8 29. Qxc7 Rdd1 30. f4 Rg1+ 31. Kf3 Rxc3+ 32. Ke2 Ra1 33. Qxc6 gxf4 34. Qc8+ Kh7 35. Qf5+ g6 36. Qxf4 Kg7 37. Qd4 Ra2+ 38. Kf1 Rc1+ 39. Kg2 Rxa4 40. Qf4 Rb1 41. c6 Rbxb4 42. Qg3 Rc4 43. c7 Ra1 44. h4 Rac1 45. h5 Rxc7 46. hxg6 fxg6 47. Qa3 R1c5 48. Qa6 Rg5+ 49. Kf3 Rf5+ 50. Ke3 Re7+ 0-1

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.22"]
[Round "3"]
[White "Estrada, Walter"]
[Black "Gutierrez, Jhon Jaime"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1944"]
[BlackElo "1805"]
[PlyCount "27"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c6 4. Nf3 f5 5. exf5 exf5 6. Qe2+ Qe7 7. Ne5 Nf6 8. Bg5 Nbd7 9. 0-0-0 Kd8 10. h4 Rg8 11. h5 h6 12. Bh4 Qe6 13. Re1 Bd6 14. Nxc6+ 1-0

[Event "COL-ch U2000"]
[Site "Pereira"]
[Date "2019.03.22"]
[Round "2"]
[White "Romero Mora, Elvert"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1882"]
[BlackElo "1944"]
[PlyCount "75"]
[EventDate "2019.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 g6 5. Nc3 Bg7 6. e4 0-0 7. Bd3 Nfd7 8. 0-0 Ne5 9. Nxe5 Bxe5 10. Be3 Bg7 11. Rc1 Nd7 12. f4 Nf6 13. Be2 Bd7 14. Bf3 a6 15. Qe2 b5 16. b3 b4 17. Nd1 a5 18. Nf2 Qb6 19. Nd3 a4 20. e5 Ne8 21. Bg4 Bxg4 22. Qxg4 axb3 23. axb3 Ra3 24. Rb1 f5 25. exf6 Rxf6 26. Qc8 Kf7 27. Bxc5 dxc5 28. Ne5+ Kg8 29. Qxe8+ Rf8 30. Qxe7 Ra7 31. Nd7 Rxd7 32. Qxd7 Bd4+ 33. Kh1 Qf6 34. Rbe1 Rf7 35. Qe6 Qh4 36. g3 Qh6 37. d6 Qf8 38. Qd5 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2018.04.30"]
[Round "7"]
[White "Vallejo, Diego"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "1838"]
[BlackElo "1960"]
[PlyCount "63"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 b5 8. Bb3 d6 9. Bd5 Nxd5 10. exd5 Ne5 11. Nxd4 0-0 12. Qe2 Bf6 13. Nc3 Bb7 14. Nf5 Re8 15. Bd2 Nc4 16. Qd3 Nxd2 17. Qxd2 Qd7 18. Ng3 Qg4 19. Re4 Bxc3 20. Rxe8+ Rxe8 21. bxc3 h5 22. Rd1 h4 23. h3 Qg6 24. Nf1 Re5 25. Ne3 Bc8 26. Kf1 f5 27. Qd4 Re4 28. Qd3 Qe8 29. Kg1 f4 30. Nf1 Qg6 31. f3 Bxh3 32. Rd2 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2018.04.29"]
[Round "6"]
[White "Estrada, Walter"]
[Black "Gomez Rondon, Samuel"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1960"]
[BlackElo "1513"]
[PlyCount "75"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 Nf6 6. Nge2 0-0 7. d3 d6 8. 0-0 Be6 9. h3 Qd7 10. Nf4 Nd4 11. Be3 a6 12. Rb1 Rab8 13. Bxd4 cxd4 14. Nce2 Ne8 15. Nxe6 fxe6 16. h4 e5 17. Kh2 Nf6 18. Bh3 e6 19. b4 b6 20. Qb3 a5 21. bxa5 bxa5 22. Qxb8 Rxb8 23. Rxb8+ Bf8 24. Rfb1 Qf7 25. Kg2 Kg7 26. R1b7 Be7 27. Ra8 h5 28. Raa7 Ng8 29. Ng1 g5 30. hxg5 h4 31. gxh4 Qf4 32. Nf3 Kg6 33. Bxe6 Kh5 34. Rxe7 Nxe7 35. Rxe7 d5 36. Rh7+ Kg6 37. Bf5+ Qxf5 38. Rh6+ 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2018.04.29"]
[Round "5"]
[White "Olarte Puerta, Carlos Andres"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1690"]
[BlackElo "1960"]
[PlyCount "46"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. Nc3 Nf6 6. e3 Qb6 7. a3 Bf5 8. Na4 Qa5+ 9. b4 Nxb4 10. axb4 Qxb4+ 11. Qd2 e5 12. Bxe5 Ne4 13. Qxb4 Bxb4+ 14. Ke2 Rc8 15. Kf3 f6 16. Bg3 Ng5+ 17. Kf4 Bd7 18. Nc5 Rxc5 19. dxc5 Bc3 20. Nf3 Ne6+ 21. Kg4 h5+ 22. Kf5 Nf8+ 23. Kf4 Ng6# 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2018.04.28"]
[Round "4"]
[White "Estrada, Walter"]
[Black "Toro Castaneda, Elizabeth"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1960"]
[BlackElo "1996"]
[PlyCount "64"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 c6 5. a4 Nf6 6. f3 0-0 7. Qd2 Nbd7 8. 0-0-0 Qa5 9. Bh6 b5 10. Bxg7 Kxg7 11. b3 Rb8 12. g4 bxa4 13. Nxa4 Rb4 14. g5 Nh5 15. d5 cxd5 16. Qc3+ d4 17. Rxd4 Rxa4 18. Rb4+ Kg8 19. bxa4 Qxg5+ 20. Kb2 Nc5 21. a5 Bd7 22. Nh3 Qh6 23. Kb1 Rc8 24. Qd4 Na4 25. Ba6 Rd8 26. Nf2 Nc5 27. Bb5 Bxb5 28. Rxb5 Nf4 29. Ng4 Qh3 30. Ka2 Ne2 31. Qe3 Nxe4 32. fxe4 Nc3+ 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2018.04.26"]
[Round "2"]
[White "Guerra, Francisco Anibal"]
[Black "Estrada, Walter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1767"]
[BlackElo "1960"]
[PlyCount "25"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. 0-0 c6 6. Re1 0-0 7. Nbd2 Qc7 8. Qe2 e5 9. dxe5 dxe5 10. Nc4 Nbd7 11. a4 Re8 12. c3 Nc5 13. Bc2 1/2-1/2

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2018.04.25"]
[Round "1"]
[White "Estrada, Walter"]
[Black "Piedrahita Hernandez, Byron Miguel"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1960"]
[BlackElo "1621"]
[PlyCount "20"]
[EventDate "2018.04.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nxe5 Qf6 9. Nxg6 hxg6 10. d4 0-0-0 1-0

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.16"]
[Round "2"]
[White "Estrada, Walter"]
[Black "Gutierrez, Ramon"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1939"]
[BlackElo "2137"]
[PlyCount "28"]
[EventDate "2018.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Be3 0-0-0 10. 0-0-0 Ne7 11. a3 Ng6 12. Nb3 Bd6 13. a4 Ne5 14. a5 Nc4 1/2-1/2

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2018.02.15"]
[Round "1"]
[White "Estrada, Walter"]
[Black "Sepulveda, Julio Orlando"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1939"]
[BlackElo "2095"]
[PlyCount "84"]
[EventDate "2018.02.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 d6 4. g3 g6 5. d3 Bg7 6. Be3 Nf6 7. Bg2 Ng4 8. Nh3 Nxe3 9. fxe3 0-0 10. 0-0 Ne5 11. Qd2 Bd7 12. Rad1 Rb8 13. Nf4 a6 14. b3 Bg4 15. Nfe2 Bh6 16. h3 Bd7 17. Nf4 Nc6 18. Qf2 Bg7 19. Nfd5 b5 20. Rb1 Qa5 21. Qc2 Kh8 22. Ne2 f6 23. Rbd1 e6 24. Ndc3 Qc7 25. cxb5 axb5 26. Nf4 Qa7 27. Kh2 Nb4 28. Qe2 Qa5 29. Qd2 Rb6 30. a4 bxa4 31. bxa4 Re8 32. d4 c4 33. Rb1 Reb8 34. Nb5 Nc6 35. Qc2 e5 36. Qxc4 exf4 37. Nxd6 fxg3+ 38. Kh1 Nd8 39. Qc7 Bxh3 40. Bxh3 Qh5 41. Qd7 g2+ 42. Kxg2 Rb2+ 1-0

[Event "Medellin Conconcreto op"]
[Site "Medellin"]
[Date "2018.01.28"]
[Round "6"]
[White "Estrada, Walter"]
[Black "Moncada Correa, Sara"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1951"]
[BlackElo "1543"]
[PlyCount "30"]
[EventDate "2018.01.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. b4 d6 3. bxc5 dxc5 4. Nc3 g6 5. Bc4 Nc6 6. Nf3 Bg7 7. Bb2 Nh6 8. h3 Ng8 9. Rb1 e6 10. h4 Nf6 11. e5 Nd7 12. Ne4 Ndxe5 13. Nxe5 Bxe5 14. Bxe5 Nxe5 15. Bb5+ Nc6 0-1

[Event "Medellin Conconcreto op"]
[Site "Medellin"]
[Date "2018.01.27"]
[Round "5"]
[White "Londono, Neider Farid"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1851"]
[BlackElo "1951"]
[PlyCount "62"]
[EventDate "2018.01.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 Be7 6. h3 0-0 7. 0-0 c5 8. c3 Nc6 9. Be3 c4 10. Bc2 Bd6 11. b3 b5 12. Nbd2 Re8 13. a4 b4 14. bxc4 bxc3 15. Nb1 dxc4 16. Nxc3 Nb4 17. Nd2 Nxc2 18. Qxc2 Be6 19. Rfc1 Rc8 20. Rab1 Nd5 21. Nb5 Bb8 22. Re1 a6 23. Nc3 Qd6 24. Nf1 Nb4 25. Qd2 Bf5 26. Rbd1 Nd3 27. Re2 Qg6 28. Kh1 Bd6 29. Nh2 Rb8 30. Qa2 Rb3 31. Nb1 Nb4 0-1

[Event "Medellin Conconcreto op"]
[Site "Medellin"]
[Date "2018.01.26"]
[Round "3"]
[White "Estrada, Walter"]
[Black "Benjumea Rave, Jaime Stiden"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1951"]
[BlackElo "1771"]
[PlyCount "67"]
[EventDate "2018.01.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 e5 6. Nge2 Nge7 7. d3 0-0 8. Be3 d6 9. Qd2 Nd4 10. 0-0 Rb8 11. Rab1 Nec6 12. Nd5 Nxe2+ 13. Qxe2 Be6 14. a3 f5 15. exf5 gxf5 16. Qh5 Kh8 17. Bg5 Qd7 18. b4 Nd4 19. bxc5 dxc5 20. Be3 f4 21. Be4 Bf5 22. Bxd4 cxd4 23. Rfe1 fxg3 24. hxg3 Bxe4 25. Rxe4 b5 26. Rh4 h6 27. Qg6 Qf5 28. Qxf5 Rxf5 29. cxb5 Rf3 30. Rb3 Re8 31. Re4 Ref8 32. Re2 e4 33. Rxe4 Rxf2 34. Nf4 1-0

[Event "Medellin Conconcreto op"]
[Site "Medellin"]
[Date "2018.01.24"]
[Round "1"]
[White "Estrada, Walter"]
[Black "Castrillon Gomez, Melissa"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1951"]
[BlackElo "2204"]
[PlyCount "77"]
[EventDate "2018.01.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nf3 e5 4. Nc3 d6 5. d3 g6 6. Be3 Bg7 7. Qd2 a6 8. Be2 Rb8 9. 0-0 b5 10. Bd1 f5 11. Bg5 Bf6 12. cxb5 axb5 13. Nd5 Bxg5 14. Qxg5 Qxg5 15. Nxg5 h6 16. Nf3 Nge7 17. Nxe7 Nxe7 18. Bb3 g5 19. Nd2 Nc6 20. a4 Nd4 21. axb5 Nxb3 22. Nxb3 Rxb5 23. Nd2 0-0 24. Nc4 fxe4 25. Nxd6 Rxb2 26. Nxe4 Bg4 27. f3 Bf5 28. Nxc5 Rc8 29. Rfc1 Rd2 30. Rc3 Rb8 31. Ne4 Bxe4 32. dxe4 Rbb2 33. Rc7 Rxg2+ 34. Kf1 Rbf2+ 35. Ke1 Rxf3 36. Ra8+ Rf8 37. Raa7 Rb8 38. Rg7+ Kf8 39. Rgf7+ 1/2-1/2

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.18"]
[Round "11"]
[White "Estrada, Walter"]
[Black "Silva, Enmanuel"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1982"]
[BlackElo "2119"]
[PlyCount "78"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 h6 8. Be3 Be6 9. 0-0 Be7 10. Bf3 0-0 11. Qe2 Rc8 12. Rfd1 Qc7 13. Rd2 a6 14. a4 Nb4 15. Rc1 Rfd8 16. g3 d5 17. Nxd5 Nfxd5 18. exd5 Nxd5 19. Bxd5 Bxd5 20. Rcd1 Qc6 21. Na5 Qe6 22. c4 Be4 23. f3 Rxd2 24. Rxd2 Bg6 25. Rd5 e4 26. f4 b6 27. Nb3 Qc6 28. f5 Bh7 29. Nd2 Qxa4 30. Bxb6 Qa1+ 31. Nf1 Qb1 32. Bd4 e3 33. Bc3 Bxf5 34. Rd1 Qe4 35. Rd4 Qe6 36. Rd5 Bc5 37. Rxc5 Rxc5 38. Qxe3 Rxc4 39. Qf2 Re4 0-1

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.17"]
[Round "10"]
[White "Varela, Maria de los Angele"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1717"]
[BlackElo "1982"]
[PlyCount "76"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 6. 0-0 d6 7. d4 Bb6 8. Re1 Bg4 9. Bb5 0-0 10. Bxc6 Bxf3 11. Qxf3 bxc6 12. Be3 h6 13. Nd2 Qe7 14. dxe5 dxe5 15. Nc4 Rab8 16. Rab1 Qe6 17. b3 a4 18. Bxb6 cxb6 19. Qg3 b5 20. Nd2 Nh5 21. Qh4 Nf4 22. Nf1 Rfd8 23. Re3 c5 24. Qg3 axb3 25. axb3 Ra8 26. Kh1 Ra2 27. h3 f6 28. Qg4 Qxg4 29. hxg4 Rxf2 30. g3 Ne6 31. Kg1 Ra2 32. Rf3 Kf7 33. b4 Re2 34. Re3 Ra2 35. Rf3 Kg6 36. Rf2 Ra3 37. Rf3 Nd4 38. Re3 Rxc3 0-1

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.15"]
[Round "8"]
[White "Sanchez Alvarez, Kelvin Antonio"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2257"]
[BlackElo "1982"]
[PlyCount "47"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. c4 Nf6 5. d4 g6 6. Be2 Bg7 7. h3 0-0 8. Nc3 c5 9. dxc5 Qa5 10. 0-0 Qxc5 11. Be3 Qa5 12. a3 a6 13. b4 Qc7 14. Rc1 Rd8 15. Qb3 Nc6 16. Nd5 Qb8 17. Nb6 Bf5 18. Nxa8 Qxa8 19. Rfd1 Ne4 20. Bd3 Qc8 21. g4 Bxg4 22. Bxe4 Bxh3 23. Rxd8+ Nxd8 24. Nh2 1-0

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.14"]
[Round "7"]
[White "Estrada, Walter"]
[Black "Franco Valencia, Beatriz Irene"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1982"]
[BlackElo "2173"]
[PlyCount "56"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 a6 5. Qf3 e6 6. Nge2 Nc6 7. Bf4 Nxd4 8. Nxd4 Bxd4 9. 0-0-0 Qf6 10. Qg3 Bxc3 11. bxc3 Qe7 12. e5 d5 13. Bg5 Qa3+ 14. Kb1 Bd7 15. Bxd5 exd5 16. e6 Bxe6 17. Qe5 d4 18. Rxd4 Qxa2+ 19. Kc1 f6 20. Qe3 Kf7 21. Re1 Re8 22. Qf4 Qa5 23. Bxf6 Nxf6 24. Re5 Qa1+ 25. Kd2 Rd8 26. g4 Rxd4+ 27. cxd4 Rd8 28. c3 Qb2+ 0-1

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.13"]
[Round "6"]
[White "Gomez Vasquez, Laura Sofia"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1504"]
[BlackElo "1982"]
[PlyCount "54"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Ne2 c6 5. 0-0 Bg7 6. c3 0-0 7. h3 Nbd7 8. Be3 e5 9. Qd2 Qc7 10. Bh6 b6 11. Bxg7 Kxg7 12. Na3 Bb7 13. Ng3 d5 14. Bc2 dxe4 15. Nxe4 Nxe4 16. Bxe4 Nf6 17. Bf3 Rad8 18. Rfd1 exd4 19. cxd4 c5 20. Bxb7 Qxb7 21. Qf4 Nh5 22. Qh4 Rfe8 23. Nc4 Rd5 24. dxc5 Re4 25. Nd6 Rxd6 26. Qxe4 Rxd1+ 27. Rxd1 Qxe4 0-1

[Event "American Continental 13th"]
[Site "Medellin"]
[Date "2017.06.10"]
[Round "1"]
[White "Estrada, Walter"]
[Black "Panesso Rivera, Henry"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1982"]
[BlackElo "2421"]
[PlyCount "64"]
[EventDate "2017.06.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "COL"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 a6 5. a4 Bg4 6. Be2 Nd7 7. 0-0 c5 8. Be3 Rc8 9. a5 cxd4 10. Bxd4 Ngf6 11. h3 Be6 12. Re1 0-0 13. Ng5 Bc4 14. Bxc4 Rxc4 15. Qd3 Rc6 16. f4 e5 17. fxe5 dxe5 18. Bf2 Qc7 19. Re2 Rc8 20. Bh4 h6 21. Nf3 Rc5 22. Rd1 Qxa5 23. Bxf6 Nxf6 24. Nd5 Nxd5 25. exd5 Qb6 26. Kh1 Qd6 27. c3 f5 28. Ne1 b5 29. Nc2 e4 30. Qd2 a5 31. Ne3 Rd8 32. b3 Bxc3 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.30"]
[Round "6"]
[White "Estrada, Walter"]
[Black "Arias, Fabio Alonso"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1995"]
[BlackElo "1661"]
[PlyCount "41"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. Nf3 0-0 7. Bd3 h6 8. 0-0 Bg4 9. cxd5 Nxd5 10. h3 Be6 11. Ne5 c5 12. Be4 Nc6 13. Nxc6 bxc6 14. f4 cxd4 15. Qxd4 Bf6 16. Qc5 Nxc3 17. bxc3 Qb6 18. Be3 Rfc8 19. Rfc1 Bd5 20. Bf5 Re8 21. Re1 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.30"]
[Round "5"]
[White "Norena Marin, Jeronimo"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1491"]
[BlackElo "1995"]
[PlyCount "54"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 d5 10. Re1 0-0 11. Bd3 Bf5 12. Bf4 Nxc3 13. Qc2 Nb4 14. Qd2 Nxd3 15. Re3 Nxf4 16. Rxc3 Ng6 17. Re1 Be4 18. Ng5 h6 19. Nxe4 dxe4 20. Rxe4 Qd7 21. h3 f5 22. Ree3 f4 23. Red3 Rae8 24. d5 Ne5 25. Rd4 f3 26. d6 c6 27. g3 Qxh3 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.29"]
[Round "3"]
[White "Estrada, Walter"]
[Black "Restrepo, Hugo"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1995"]
[BlackElo "1707"]
[PlyCount "105"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. a4 Nf6 8. Bg2 Be7 9. 0-0 0-0 10. Re1 d6 11. Nb3 Bd7 12. a5 Ne5 13. Qd4 Rac8 14. f4 Nc4 15. Kh1 Rfd8 16. Na4 Nxa5 17. Nb6 Nxb3 18. cxb3 Qc5 19. Be3 Qxd4 20. Bxd4 Rc2 21. Bc3 Bc6 22. Nc4 Nxe4 23. Bxe4 Bxe4+ 24. Rxe4 d5 25. Rd4 dxc4 26. Rxd8+ Bxd8 27. Rd1 Bf6 28. bxc4 h6 29. Bxf6 gxf6 30. b3 Rc3 31. Rb1 Kf8 32. Rb2 Ke7 33. Kg2 Kd6 34. Kh3 Kc5 35. Kh4 Kb4 36. Kh5 Ka3 37. Re2 Kxb3 38. Kxh6 Rc2 39. Re3+ Kxc4 40. h4 Rc3 41. Rxc3+ Kxc3 42. Kg7 e5 43. fxe5 fxe5 44. h5 e4 45. h6 e3 46. h7 e2 47. h8Q e1Q 48. Qc8+ Kd2 49. Qd7+ Kc2 50. Qxb7 Qxg3+ 51. Kf6 Qg6+ 52. Ke7 f5 53. Qc7+ 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.29"]
[Round "4"]
[White "Moreno Polo, Sergio"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "1995"]
[PlyCount "86"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 e6 5. c5 Nbd7 6. Nf3 Nh5 7. Bg3 Nxg3 8. hxg3 e5 9. e3 e4 10. Nd2 Nf6 11. Be2 Be7 12. f4 b6 13. b4 a5 14. a3 axb4 15. axb4 Rxa1 16. Qxa1 bxc5 17. bxc5 h5 18. Nb3 Ng4 19. Bxg4 Bxg4 20. Qa6 Qc8 21. Qxc8+ Bxc8 22. Na5 Kd7 23. Na4 Bd8 24. Nb6+ Bxb6 25. cxb6 Ba6 26. Kf2 Rb8 27. Rb1 Bb5 28. b7 Kc7 29. Kg1 Kb6 30. Ra1 Bc4 31. Kh2 c5 32. Kh3 cxd4 33. exd4 Ba6 34. Nc6 Kxc6 35. Rxa6+ Kb5 36. Rd6 Kc4 37. Rd7 Kxd4 38. g4 e3 39. gxh5 e2 40. Re7 Kd3 41. Kg3 Rxb7 42. Re8 Rb1 43. Kf2 Rf1+ 0-1

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.28"]
[Round "2"]
[White "Yepez Ortiz, Dubier"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1716"]
[BlackElo "1995"]
[PlyCount "53"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. Be3 c6 5. c4 Qc7 6. Nc3 Nbd7 7. Nh3 a6 8. Nf2 c5 9. Be2 Bg7 10. Rc1 b6 11. Qd2 h5 12. 0-0 Bb7 13. b3 cxd4 14. Bxd4 Bh6 15. Be3 Bxe3 16. Qxe3 Qc5 17. Qd2 h4 18. Na4 Qh5 19. Nh3 Bc6 20. Nc3 Qc5+ 21. Kh1 Rg8 22. Nd5 Bxd5 23. cxd5 Qa3 24. Rc7 Nc5 25. b4 Kd8 26. Rc6 Na4 27. Rb1 1-0

[Event "Antioquia op-B"]
[Site "Medellin"]
[Date "2017.04.27"]
[Round "1"]
[White "Estrada, Walter"]
[Black "Zuluaga, Miryam"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1995"]
[BlackElo "1587"]
[PlyCount "75"]
[EventDate "2017.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Nf6 6. Nxe5 Bc5 7. 0-0 Be6 8. d3 Bd4 9. Nf3 Ba7 10. Be3 b6 11. Nd4 Bd7 12. Nf5 Rg8 13. Bg5 h6 14. Be3 Be6 15. Nd4 Qd7 16. Nxe6 Qxe6 17. f4 0-0-0 18. f5 Qd7 19. Qf3 Rde8 20. b4 Kb8 21. a4 h5 22. b5 Ng4 23. h3 Nxe3 24. Qxe3 c5 25. Kh1 Qd4 26. Qxd4 cxd4 27. Nd5 f6 28. Rfb1 a5 29. c3 dxc3 30. Rc1 Kb7 31. Rxc3 Bb8 32. Rac1 Re5 33. Nxc7 Rc5 34. Rxc5 bxc5 35. Ne6 Bd6 36. Nxc5+ Ka8 37. Nb3 Bb4 38. Rc6 1-0

[Event "Medellin Easter op 7th"]
[Site "Medellin"]
[Date "2017.04.16"]
[Round "8"]
[White "Salcedo Perez, Pablo Esteban"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "2177"]
[BlackElo "1995"]
[PlyCount "23"]
[EventDate "2017.04.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. e4 cxd4 11. Nxd4 Ne5 12. f4 0-1

[Event "Medellin Easter op 7th"]
[Site "Medellin"]
[Date "2017.04.15"]
[Round "7"]
[White "Estrada, Walter"]
[Black "Soto, Christian Camilo"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1995"]
[BlackElo "2126"]
[PlyCount "93"]
[EventDate "2017.04.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 h6 12. Bf4 Bg4 13. Qd2 d4 14. Ne4 Nd5 15. Bg3 f5 16. Nc5 f4 17. h3 Bc8 18. Bh2 b6 19. Ne4 f3 20. Bg3 fxg2 21. Kxg2 Qd7 22. Rh1 Qf5 23. f4 Ne3+ 24. Kf2 Ne5 25. Nd6 Nxd3+ 26. Qxd3 Qd5 27. Qb3 Be6 28. Qxd5 Nxd5 29. Rad1 Nxf4 30. Rxd4 Nxh3+ 31. Ke3 Ng5 32. Bf4 Nh7 33. Rg1 g5 34. Be5 h5 35. Bf4 Bg4 36. Rxg4 hxg4 37. Bxg5 Rf3+ 38. Ke2 Rg3 39. Bh4 Rg2+ 40. Kf1 Rxc2 41. Rxg4+ Kf8 42. Rf4+ Kg7 43. Rg4+ Kh6 44. Be7 Rc7 45. Rh4+ Kg6 46. Rg4+ Kh6 47. Rh4+ 1/2-1/2

[Event "Medellin Easter op 7th"]
[Site "Medellin"]
[Date "2017.04.14"]
[Round "4"]
[White "Chirivi Castiblanco, Angie Lizeth"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2080"]
[BlackElo "1995"]
[PlyCount "47"]
[EventDate "2017.04.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 Nf6 4. e3 Bg4 5. Be2 Bxf3 6. Bxf3 e6 7. c4 Nc6 8. 0-0 d4 9. exd4 cxd4 10. d3 Qd7 11. Na3 Be7 12. Nc2 e5 13. a3 a5 14. Re1 Qd6 15. b4 0-0 16. b5 Nd8 17. a4 Nd7 18. Qe2 f6 19. Bd5+ Kh8 20. Nxd4 Nc5 21. Nf5 Qd7 22. Nxe7 Qxe7 23. d4 Nce6 24. Ba3 1-0

[Event "Medellin Easter op 7th"]
[Site "Medellin"]
[Date "2017.04.14"]
[Round "5"]
[White "Estrada, Walter"]
[Black "Perez Lujan, Mateo"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1995"]
[BlackElo "1746"]
[PlyCount "65"]
[EventDate "2017.04.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nd7 5. Nf3 c5 6. Bxf7+ Kxf7 7. Ng5+ Ke8 8. Ne6 Qa5 9. Bd2 Bxd4 10. Nd5 Qa4 11. Ndc7+ Kf7 12. Ng5+ Kf8 13. Nce6+ Ke8 14. Nc7+ Kf8 15. Nxa8 Ndf6 16. c3 Qc6 17. cxd4 b6 18. 0-0 h6 19. e5 Qxa8 20. exf6 hxg5 21. fxe7+ Nxe7 22. dxc5 bxc5 23. Bc3 Rh7 24. Qxd6 Bb7 25. f3 c4 26. Rae1 a5 27. Rxe7 Rxe7 28. Re1 Qa7+ 29. Kf1 Ba6 30. Rxe7 Qxe7 31. Qxa6 Qe3 32. Qf6+ Ke8 33. Qe5+ 1-0

[Event "Medellin Easter op 7th"]
[Site "Medellin"]
[Date "2017.04.13"]
[Round "3"]
[White "Estrada, Walter"]
[Black "Gonzalez Zapata, Julian David"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1995"]
[PlyCount "83"]
[EventDate "2017.04.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Qxd4 Be6 8. Bf4 Bd6 9. e5 fxe5 10. Bxe5 Nf6 11. 0-0-0 0-0 12. Ng5 Bf7 13. Bxd6 cxd6 14. Nxf7 Rxf7 15. Qxd6 Qxd6 16. Rxd6 Kf8 17. f3 Re8 18. Rhd1 Rfe7 19. g4 h6 20. h4 Re3 21. R6d3 g5 22. Kd2 Rxd3+ 23. cxd3 Rd8 24. hxg5 hxg5 25. Ne4 Nd5 26. Nxg5 Nf4 27. Kc2 Kg7 28. Ne4 b6 29. Ng3 Kf6 30. d4 Kg6 31. Nf5 Kf6 32. Rh1 Re8 33. Rh6+ Ng6 34. Nh4 Kg5 35. Rh5+ Kf6 36. Rf5+ Kg7 37. Rg5 Re6 38. Rxg6+ Rxg6 39. Nxg6 Kxg6 40. Kd3 Kg5 41. Ke4 a5 42. d5 1-0

[Event "Medellin Easter op 7th"]
[Site "Medellin"]
[Date "2017.04.13"]
[Round "2"]
[White "Rodriguez, Boris"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "C32"]
[WhiteElo "2122"]
[BlackElo "1995"]
[PlyCount "35"]
[EventDate "2017.04.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 exd3 5. Qxd3 Nf6 6. Nc3 Nbd7 7. Be3 Nb6 8. 0-0-0 Bd6 9. g3 0-0 10. Bg2 Bg4 11. Nf3 Qd7 12. h3 Bf5 13. Qd4 Rfd8 14. g4 c5 15. dxc6 Qxc6 16. Nh4 Qc7 17. Nxf5 Ba3 18. Nb5 1-0

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.05"]
[Round "6"]
[White "Arias Pinto, Juan Camilo"]
[Black "Estrada, Walter"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "1642"]
[BlackElo "1995"]
[PlyCount "176"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. c5 b6 6. cxb6 axb6 7. Bg5 Be7 8. e3 0-0 9. Ne5 Nfd7 10. Bf4 f6 11. Nf3 c5 12. Bd3 Nc6 13. Qb1 f5 14. Nb5 Nf6 15. 0-0 Nb4 16. Bc7 Qe8 17. b3 Nxd3 18. Qxd3 Ba6 19. a4 Qc6 20. Bg3 Ne4 21. Ne5 Qb7 22. Rac1 Bf6 23. Nf3 g5 24. Be5 g4 25. Bxf6 gxf3 26. Be5 Kf7 27. Qxe4 Bxb5 28. Qh4 Bc6 29. Qf6+ Kg8 30. Qh8+ Kf7 31. Qxh7+ Ke8 32. Qxb7 Bxb7 33. gxf3 Rg8+ 34. Kh1 c4 35. Rg1 Rxg1+ 36. Kxg1 Kd7 37. bxc4 dxc4 38. Rxc4 Rg8+ 39. Bg3 Bxf3 40. Rc7+ Kd8 41. Ra7 Kc8 42. Kf1 Bb7 43. a5 bxa5 44. Rxa5 Kd7 45. Ke2 Rc8 46. Kd2 Be4 47. h4 Rc2+ 48. Kd1 Rc8 49. Be5 Rg8 50. Ra7+ Kc6 51. Rc7+ Kb5 52. Ke2 Ra8 53. Rc1 Ra2+ 54. Kf1 Bf3 55. Kg1 Ra8 56. Kh2 Rg8 57. Rg1 Rxg1 58. Kxg1 Kc4 59. Kh2 Kd3 60. Kg3 Ke4 61. Bf4 Bg4 62. Kg2 Bf3+ 63. Kf1 Bg4 64. Ke1 Kd3 65. Be5 Bf3 66. Kf1 Kd2 67. h5 Bxh5 68. Kg2 Kd3 69. Kg3 Ke4 70. Kh4 Bf3 71. Kg5 Bg4 72. Kf6 Kd5 73. Bg3 Bf3 74. Ke7 Be4 75. Kf6 Bd3 76. Be5 Be4 77. Kg5 Bd3 78. Kf4 Bc2 79. f3 Bb1 80. Kg3 Bc2 81. Kf2 Bd3 82. Ke1 Bc2 83. Kd2 Bb1 84. Bb8 Kc4 85. Ba7 Kd5 86. Bb8 Kc4 87. Be5 Bd3 88. Bf6 Bb1 1/2-1/2

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.05"]
[Round "7"]
[White "Estrada, Walter"]
[Black "Obando Guzman, Soren Federico"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1995"]
[BlackElo "2002"]
[PlyCount "97"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 a6 7. 0-0 Nge7 8. Qe2 Ng6 9. Rd1 d6 10. a3 Be7 11. Be3 0-0 12. Rac1 b5 13. Ba2 Bb7 14. Nd4 Rc8 15. f4 Nxd4 16. Rxd4 Re8 17. Rcd1 Qc7 18. Qh5 Bf8 19. R4d2 Rcd8 20. f5 Ne5 21. fxe6 fxe6 22. Rf2 Bc6 23. Rdf1 g6 24. Qh3 Nc4 25. Rf7 Qxf7 26. Rxf7 Kxf7 27. Bg5 Rd7 28. Qxh7+ Bg7 29. Bh6 Rg8 30. Bxg7 Rxg7 31. Qh4 d5 32. Bxc4 dxc4 33. Qf2+ Kg8 34. Qb6 Bb7 35. Qxe6+ Kh7 36. Qh3+ Kg8 37. Qe6+ Kf8 38. Nd5 Bxd5 39. exd5 Rde7 40. Qc8+ Re8 41. Qxa6 Rf7 42. h3 Re1+ 43. Kh2 Re2 44. Qxg6 Rxb2 45. d6 Rff2 46. Qh6+ Ke8 47. Qe6+ Kf8 48. Qe7+ Kg8 49. d7 1-0

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.04"]
[Round "5"]
[White "Estrada, Walter"]
[Black "Gutierrez, Ramon"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1995"]
[BlackElo "2129"]
[PlyCount "117"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Be3 Bb4 10. Nde2 0-0-0 11. a3 Bd6 12. 0-0-0 Ne7 13. Na4 Rhe8 14. Nb6+ cxb6 15. Rxd6 Kc7 16. Rhd1 Ng6 17. f3 Re7 18. Nc3 b5 19. g3 Rde8 20. h4 Bc8 21. h5 Ne5 22. Bf4 h6 23. Bxe5 fxe5 24. Rg6 Rf8 25. Rf1 Bd7 26. f4 Be8 27. Rg4 Bxh5 28. Rh4 Be8 29. f5 h5 30. Nd1 Rd7 31. Ne3 g5 32. fxg6 Rxf1+ 33. Nxf1 Bxg6 34. Nd2 Rg7 35. Nf3 Be8 36. Nxe5 Rxg3 37. Nd3 Rg4 38. Rxg4 hxg4 39. Kd2 Kd6 40. Ke3 c5 41. Kf4 Bd7 42. Nf2 b4 43. Nxg4 Bxg4 44. Kxg4 Ke5 45. Kf3 bxa3 46. bxa3 b5 47. Ke3 a5 48. Kd3 a4 49. c3 Kd6 50. Kd2 Ke6 51. Kc2 Ke5 52. Kd3 Kf4 53. c4 b4 54. axb4 cxb4 55. c5 a3 56. Kc2 Ke5 57. Kb3 Ke6 58. Kxb4 a2 59. Kb3 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.03"]
[Round "3"]
[White "Ballesteros Lopez, William"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2053"]
[BlackElo "1995"]
[PlyCount "90"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 Ne4 8. b4 0-0 9. a3 f6 10. Re1 f5 11. Nxd4 Nxd4 12. Qxd4 d5 13. Nc3 Be6 14. Nxe4 dxe4 15. Qe3 b5 16. Bb3 Qd7 17. Bb2 Rfd8 18. Qh3 Bxb3 19. Qxb3+ Qd5 20. Qh3 Qe6 21. Rxe4 Rd2 22. Rc1 Qa2 23. Qc3 Rad8 24. Ree1 Qe6 25. Qe3 R8d5 26. Bc3 Qd7 27. Bxd2 Rxd2 28. Qf3 g6 29. Qa8+ Kg7 30. Qxa6 Qd4 31. Rf1 Bg5 32. c3 Qf4 33. Qa7 Qxe5 34. Rce1 Qd6 35. Qb7 f4 36. Qxb5 Bf6 37. Qc5 Qd7 38. Qc4 f3 39. Qe6 Qb5 40. Re3 fxg2 41. Rfe1 Bh4 42. Rf3 Qb7 43. Rf7+ Kh6 44. Qe3+ Bg5 45. Qe6 Bh4 1-0

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.03"]
[Round "2"]
[White "Estrada, Walter"]
[Black "Prado, Leonardo"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1995"]
[BlackElo "2144"]
[PlyCount "50"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg6 8. h4 h5 9. f4 exf4 10. Ne2 Nd5 11. exd5 Bxg5 12. Qd3+ Kf7 13. hxg5 Qxg5 14. Bxf4 Qg4 15. Rf1 Nf6 16. Bd2 Re8 17. Be3 Qxg2 18. Kd2 Bg4 19. Rf2 Qxf2 20. Bxf2 Rxe2+ 21. Kc3 Rxf2 22. Qc4 Rf3+ 23. Kd2 Ne4+ 24. Kc1 Re8 25. Qxc7+ Re7 0-1

[Event "COL-ch Amateur U2300"]
[Site "Bogota"]
[Date "2017.03.02"]
[Round "1"]
[White "Bolivar, Jeison"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2124"]
[BlackElo "1995"]
[PlyCount "40"]
[EventDate "2017.03.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d5 6. exd5 Nxd5 7. Qb3 0-0 8. Qb5 Qd6 9. b4 Ndxb4 10. cxb4 Nxb4 11. Qa4 Nxd3+ 12. Bxd3 Qxd3 13. Nbd2 e4 14. Qb3 Qa6 15. Nxe4 Re8 16. Nfg5 Be6 17. Nxe6 Rxe6 18. f3 f5 19. Be3 Bxe3 20. Qxe3 fxe4 0-1

[Event "Medellin Construct op"]
[Site "Medellin"]
[Date "2017.01.29"]
[Round "6"]
[White "Estrada, Walter"]
[Black "Montoya Diaz, Cesar Augusto"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1967"]
[BlackElo "2107"]
[PlyCount "61"]
[EventDate "2017.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 Nf6 5. Be2 0-0 6. 0-0 c6 7. a4 Nbd7 8. a5 Qc7 9. h3 Re8 10. Bc4 h6 11. Qe2 e5 12. d5 Nf8 13. Rd1 c5 14. Nd2 g5 15. Bb5 Rd8 16. Nc4 Ng6 17. a6 b6 18. g4 Nf4 19. Bxf4 exf4 20. e5 Ne8 21. Bc6 Rb8 22. Nb5 Qe7 23. Bxe8 Rxe8 24. Nbxd6 Rd8 25. Nxc8 Rbxc8 26. Rd2 Rb8 27. Re1 b5 28. Nd6 c4 29. Nf5 Qc5 30. e6 Rxd5 31. Rxd5 1-0

[Event "Medellin Construct op"]
[Site "Medellin"]
[Date "2017.01.29"]
[Round "7"]
[White "Soto, Christian Camilo"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2106"]
[BlackElo "1967"]
[PlyCount "79"]
[EventDate "2017.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 Nf6 3. e4 d6 4. d4 g6 5. f3 Bg7 6. Be3 Qc7 7. Qd2 a6 8. a4 b6 9. Bd3 Nbd7 10. Nge2 c5 11. d5 Ne5 12. f4 Nxd3+ 13. Qxd3 Bg4 14. Ng3 h5 15. h3 h4 16. hxg4 hxg3 17. Rxh8+ Bxh8 18. g5 Nh5 19. 0-0-0 Qd7 20. Bd2 0-0-0 21. b3 Bxc3 22. Qxc3 a5 23. Qf3 Qe8 24. Be1 Qh8 25. Kc2 Kc7 26. Bxg3 Nxg3 27. Qxg3 Qh5 28. Qf3 Qh2 29. Re1 Qh8 30. e5 Qg7 31. Qc3 Qf8 32. g4 Rd7 33. Rh1 Rd8 34. Rh7 Qe8 35. e6 fxe6 36. Qf6 Qf8 37. Qxe7+ Qxe7 38. Rxe7+ Rd7 39. Rxe6 Rf7 40. Rf6 1-0

[Event "Medellin Construct op"]
[Site "Medellin"]
[Date "2017.01.28"]
[Round "5"]
[White "Echeverry, Jose Miguel"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1771"]
[BlackElo "1967"]
[PlyCount "48"]
[EventDate "2017.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Bg4 5. Bb5 e6 6. h3 Bxf3 7. Qxf3 Qb6 8. Nc3 a6 9. Bxc6+ bxc6 10. 0-0 cxd4 11. exd4 Qxd4 12. Rfe1 Nf6 13. Be5 Qh4 14. Rad1 Be7 15. Rd4 Qh6 16. g4 0-0 17. Rf4 Nd7 18. h4 Nxe5 19. Rxe5 Bd6 20. g5 Qg6 21. h5 Qxc2 22. Re3 Bxf4 23. Qxf4 Qf5 24. Qg3 f6 0-1

[Event "Medellin Construct op"]
[Site "Medellin"]
[Date "2017.01.28"]
[Round "4"]
[White "Estrada, Walter"]
[Black "Cardona, Jeyson"]
[Result "0-1"]
[ECO "C22"]
[WhiteElo "1967"]
[BlackElo "2087"]
[PlyCount "44"]
[EventDate "2017.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 d6 7. 0-0-0 0-0 8. Nf3 Re8 9. Bc4 Bf5 10. Qf4 Bxe4 11. Bxf7+ Kxf7 12. Nxe4 Bxd2+ 13. Rxd2 Kg8 14. Neg5 h6 15. h4 Ne5 16. Nd4 Nh5 17. Qe3 hxg5 18. hxg5 Nf7 19. Qf3 Qxg5 20. g4 Nf6 21. Qf5 Qxf5 22. gxf5 Re5 0-1

[Event "Medellin Construct op"]
[Site "Medellin"]
[Date "2017.01.27"]
[Round "3"]
[White "Pena, Alcides"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1763"]
[BlackElo "1967"]
[PlyCount "41"]
[EventDate "2017.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 dxc4 6. Bxc4 b5 7. Bd3 a6 8. a3 Bb7 9. b4 a5 10. bxa5 Rxa5 11. Bb2 Be7 12. 0-0 Nbd7 13. Qe2 0-0 14. Rfc1 Qb6 15. Ne4 Nxe4 16. Bxe4 Nf6 17. Bd3 Rfa8 18. Rc3 b4 19. Rb3 Qa7 20. Ne5 g6 21. Rb1 0-1

[Event "Medellin Construct op"]
[Site "Medellin"]
[Date "2017.01.26"]
[Round "2"]
[White "Estrada, Walter"]
[Black "Zapata Arbelaes, Estiven"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1967"]
[BlackElo "2237"]
[PlyCount "34"]
[EventDate "2017.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 0-0 14. Nxh7 Kxh7 15. Qh5+ Kg8 16. Rh4 f5 17. Re1 Ng6 0-1

[Event "Medellin Construct op"]
[Site "Medellin"]
[Date "2017.01.25"]
[Round "1"]
[White "Herrera, Gabriel"]
[Black "Estrada, Walter"]
[Result "1/2-1/2"]
[ECO "C97"]
[WhiteElo "2259"]
[BlackElo "1967"]
[PlyCount "141"]
[EventDate "2017.01.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Re8 13. d5 c4 14. Nf1 Nb7 15. N3h2 g6 16. Ng4 Nxg4 17. hxg4 Qd8 18. f3 Bg5 19. g3 Qf6 20. Kg2 Kg7 21. Ne3 Rh8 22. Rh1 Bd7 23. Bd2 Nc5 24. Qe2 h5 25. gxh5 gxh5 26. Rh2 Rag8 27. Rah1 h4 28. g4 Kf8 29. Nf5 Bxf5 30. exf5 Bxd2 31. Qxd2 e4 32. Qf2 Qxf5 33. Rxh4 Rxh4 34. Rxh4 exf3+ 35. Kg3 Qxd5 36. Qxf3 Qxf3+ 37. Kxf3 Ke7 38. Rh2 Nd7 39. Bf5 Ne5+ 40. Kf4 a5 41. Rd2 Rb8 42. Rd5 Nc6 43. Be4 b4 44. Rd2 Ne5 45. Bf5 Rb5 46. Ke4 bxc3 47. bxc3 Nd3 48. Kd4 Ne5 49. Re2 Rb8 50. Rg2 Rh8 51. Rb2 Rh1 52. Rb5 Ra1 53. Bb1 Kf6 54. Kd5 Nxg4 55. Kxd6 Ne3 56. Kc5 Ke5 57. Kb6+ Nd5+ 58. Kc6 Rxb1 59. Rxd5+ Ke6 60. Rxa5 f5 61. Kc5 f4 62. Ra8 Ke7 63. Ra7+ Ke6 64. Ra6+ Ke7 65. Kd5 f3 66. Re6+ Kd7 67. Rf6 Ra1 68. Rxf3 Rxa2 69. Rf7+ Ke8 70. Rh7 Ra6 71. Kxc4 1/2-1/2

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2016.12.20"]
[Round "7"]
[White "Laverde, Luis Eduardo"]
[Black "Estrada, Walter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2052"]
[BlackElo "1969"]
[PlyCount "82"]
[EventDate "2016.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. b3 Nf6 3. d3 g6 4. Bb2 Bg7 5. Nd2 c6 6. Ngf3 b6 7. Be2 Bb7 8. 0-0 0-0 9. Re1 e5 10. a4 c5 11. Nc4 Nc6 12. Qd2 h6 13. Bf1 a6 14. c3 Qc7 15. Rac1 b5 16. axb5 axb5 17. Na3 Qb6 18. b4 cxb4 19. cxb4 Ra4 20. Nc2 Rfa8 21. h3 Ne8 22. Qc3 Nc7 23. Ra1 Rxa1 24. Rxa1 Rc8 25. Qb3 Ne6 26. Ne3 Ncd4 27. Nxd4 Nxd4 28. Bxd4 Qxd4 29. Ra5 Rc3 30. Qb1 Qb6 31. Qb2 Rc8 32. Qb3 Ra8 33. Qa2 Ra6 34. Rxa6 Qxa6 35. Qxa6 Bxa6 36. Nd5 Bb7 37. Nc3 Bf8 38. Nxb5 d5 39. exd5 Bxb4 40. d4 exd4 41. Nxd4 Bxd5 1/2-1/2

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2016.12.17"]
[Round "3"]
[White "Arango, Andres Mauricio"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2078"]
[BlackElo "1969"]
[PlyCount "53"]
[EventDate "2016.12.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Bg7 6. Bh6 Bxh6 7. Qxh6 Qa5 8. Bd3 Nbd7 9. Nge2 Qh5 10. Qe3 e5 11. 0-0-0 a6 12. f4 Qh6 13. Kb1 b5 14. dxe5 dxe5 15. Qf2 0-0 16. h3 exf4 17. Nxf4 Ne5 18. Nfd5 Nxd5 19. exd5 Qg7 20. dxc6 Be6 21. c7 f5 22. Qb6 Bc4 23. Bxc4+ Nxc4 24. Qe6+ Kh8 25. Rd7 Qh6 26. Re1 Nd2+ 27. Ka1 1-0

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.23"]
[Round "2"]
[White "Benjumea Rave, Jaime Stiden"]
[Black "Estrada, Walter"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "1733"]
[BlackElo "2019"]
[PlyCount "59"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. d4 f5 2. g3 g6 3. Bg2 Nf6 4. Nd2 Bg7 5. Nh3 d6 6. Nf3 0-0 7. Nf4 Ne4 8. Nd3 Qe8 9. Bf4 Nd7 10. Qc1 e5 11. Bh6 Qf7 12. Bxg7 Qxg7 13. dxe5 dxe5 14. h4 Nxg3 15. fxg3 e4 16. Ng5 exd3 17. cxd3 Nf6 18. Qc4+ Kh8 19. 0-0-0 h6 20. Bf3 Bd7 21. Kb1 c6 22. Nh3 Be8 23. Nf4 Bf7 24. Qc1 Rad8 25. Rdg1 Nd5 26. Nxd5 Bxd5 27. e4 fxe4 28. dxe4 Be6 29. Rd1 Kh7 30. Qe3 1/2-1/2

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.23"]
[Round "3"]
[White "Estrada, Walter"]
[Black "Paniagua, Fabio de Jesus"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "2019"]
[BlackElo "1834"]
[PlyCount "98"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. 0-0 Nf6 7. d5 Nb8 8. Bg5 d6 9. Nbd2 0-0 10. a4 a6 11. Be2 Nbd7 12. Qc2 Re8 13. Nc4 Ba7 14. b4 h6 15. Be3 Nf8 16. Bxa7 Rxa7 17. Ne3 Ng6 18. g3 Bd7 19. c4 b6 20. a5 Rb8 21. Nd2 Qd8 22. Nf5 Ne7 23. f4 Nxf5 24. exf5 exf4 25. Rxf4 bxa5 26. bxa5 Qe7 27. Qd3 Rab7 28. Raf1 Rb2 29. Rb1 Rxb1+ 30. Nxb1 Rxb1+ 31. Qxb1 Qxe2 32. Qb8+ Kh7 33. Qxc7 Qe3+ 34. Kg2 Qa3 35. Qb7 h5 36. h3 Qa2+ 37. Kg1 Qa3 38. Kg2 Ba4 39. Qxa6 Qb2+ 40. Rf2 Qe5 41. Qb6 Bc2 42. Kh2 Bxf5 43. a6 h4 44. Rg2 Nh5 45. Qf2 Be4 46. Rg1 hxg3+ 47. Rxg3 Nxg3 48. Qxg3 Qb2+ 49. Kg1 Qd4+ 0-1

[Event "COL pre olympic sf1"]
[Site "Medellin"]
[Date "2016.03.22"]
[Round "1"]
[White "Estrada, Walter"]
[Black "Vargas Arteaga, Alexis"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2019"]
[BlackElo "2303"]
[PlyCount "54"]
[EventDate "2016.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. 0-0 Nf6 8. Qe2 Ng4 9. g3 d6 10. Rd1 a6 11. a4 Be7 12. Bf4 0-0 13. Rac1 Qb8 14. Ba2 Nge5 15. Nxe5 dxe5 16. Be3 Rd8 17. Bb6 Rd6 18. Nd5 exd5 19. exd5 Bd7 20. dxc6 Bxc6 21. Re1 Bf6 22. Red1 Rxd1+ 23. Rxd1 Qe8 24. a5 Bd8 25. Bxf7+ Qxf7 26. Bxd8 Bf3 27. Qd2 Qh5 0-1

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.11"]
[Round "2"]
[White "Estrada, Walter"]
[Black "Blandon, Luis Guillermo"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1713"]
[BlackElo "2280"]
[PlyCount "48"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. c3 Nf6 5. e5 Nd5 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. cxd4 Be6 10. Nc3 Bxb3 11. Qxb3 e6 12. 0-0 Be7 13. Nb5 Qd8 14. Bf4 Nd5 15. Bg3 0-0 16. Nc3 Na5 17. Qb5 a6 18. Qe2 Nxc3 19. bxc3 Rc8 20. Rfc1 Qd5 21. Rab1 b5 22. Ne5 Bg5 23. f4 Bf6 24. Nd3 Rxc3 0-1

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.11"]
[Round "3"]
[White "Lizarazo, Juan Carlos"]
[Black "Estrada, Walter"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2021"]
[BlackElo "1713"]
[PlyCount "84"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. d3 c5 5. Nbd2 Nc6 6. c4 d4 7. g3 Bd6 8. Bg2 0-0 9. a3 h6 10. 0-0 Rb8 11. b4 b6 12. b5 Ne7 13. a4 Ng6 14. a5 Bb7 15. axb6 Qxb6 16. Nb3 a6 17. Nfd2 Bxg2 18. Rxa6 Qb7 19. Na5 Qxa6 20. bxa6 Bxf1 21. Kxf1 Rxb2 22. Ndb3 Ra2 23. a7 Ra8 24. Qb1 Ra4 25. Nc6 Ne7 26. Nba5 Nxc6 27. Nxc6 R4xa7 28. Nxa7 Rxa7 29. Qb6 Rd7 30. Qc6 Bf8 31. h3 Ra7 32. f4 Ra1+ 33. Kf2 Rb1 34. g4 Nh7 35. Kg2 Rb2 36. Kf3 e5 37. e3 dxe3 38. Kxe3 exf4+ 39. Kxf4 Ng5 40. Qd7 Nxh3+ 41. Kg3 Ng5 42. d4 Bd6+ 0-1

[Event "Medellin Navideno op"]
[Site "Medellin"]
[Date "2015.12.10"]
[Round "1"]
[White "Sierra Mejia, Juan Pablo"]
[Black "Estrada, Walter"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2086"]
[BlackElo "1713"]
[PlyCount "89"]
[EventDate "2015.12.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c6 3. Bxf6 exf6 4. e3 d5 5. c4 Qb6 6. Qb3 Bf5 7. Nc3 dxc4 8. Bxc4 Qxb3 9. Bxb3 Bb4 10. Nge2 Bd3 11. Kd2 Bxe2 12. Kxe2 Bxc3 13. bxc3 f5 14. g3 Nd7 15. a4 Ke7 16. Rhb1 b6 17. a5 b5 18. c4 a6 19. d5 bxc4 20. dxc6 cxb3 21. cxd7 Rhd8 22. Rxb3 Rxd7 23. Rb6 Rd6 24. Rc1 Ra7 25. Rcc6 Rxc6 26. Rxc6 Kd7 27. Rb6 Rc7 28. Rxa6 Rc2+ 29. Kf3 Ra2 30. Ra7+ Ke6 31. a6 g5 32. Ra8 Kf6 33. h4 g4+ 34. Kg2 Kg7 35. a7 Ra1 36. f4 Ra2+ 37. Kf1 Ra1+ 38. Ke2 Ra2+ 39. Ke1 Ra1+ 40. Kd2 Ra3 41. Kc2 Ra5 42. Kc3 Kf6 43. Kb4 Ra6 44. h5 Kg7 45. Kb5 1/2-1/2

[Event "Departamental Tercera Antioquia"]
[Site "Medellin"]
[Date "2014.03.03"]
[Round "4.5"]
[White "Estrada, Walter"]
[Black "Gomez, Nicolas de Jesus"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1725"]
[BlackElo "1659"]
[PlyCount "39"]
[EventDate "2014.02.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 e6 7. Nf3 Bd6 8. 0-0 0-0 9. Bg5 Bd7 10. Nbd2 Rc8 11. Qe2 h6 12. Bh4 Re8 13. Ne5 Be7 14. f4 g6 15. Ndf3 Kg7 16. Rae1 Nh5 17. Bxe7 Nxe7 18. Nxd7 Qxd7 19. Qe5+ Kh7 20. Qxh5 1-0

[Event "Departamental Tercera Antioquia"]
[Site "Medellin"]
[Date "2014.02.25"]
[Round "2.15"]
[White "Estrada, Walter"]
[Black "Arcos Jojoa, Angela Sofia"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1725"]
[BlackElo "1366"]
[PlyCount "27"]
[EventDate "2014.02.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. Nf3 Nc6 5. c4 Qe6+ 6. Be2 Bd7 7. d5 Qd6 8. dxc6 Qxc6 9. 0-0 0-0-0 10. Qb3 Ng4 11. h3 Nh6 12. Ne5 Qe6 13. Bf3 Qxe5 14. Qxb7# 1-0

[Event "Medellin Cuartas Memorial B"]
[Site "Medellin"]
[Date "2011.08.06"]
[Round "5.33"]
[White "Estrada, Walter"]
[Black "Nazarit, Alexander"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1682"]
[BlackElo "1600"]
[PlyCount "90"]
[EventDate "2011.08.03"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 e6 3. Nf3 cxd4 4. c3 dxc3 5. Nxc3 a6 6. Bc4 b5 7. Bb3 Bb4 8. 0-0 Bxc3 9. bxc3 Ne7 10. Qe2 0-0 11. Rd1 Qc7 12. Ba3 Nbc6 13. Bd6 Qb6 14. e5 Re8 15. Ng5 h6 16. Ne4 Bb7 17. Qg4 Ng6 18. Re1 Na5 19. h4 Bxe4 20. Rxe4 Nxb3 21. axb3 Ne7 22. b4 Nf5 23. Bc5 Qb7 24. Rae1 Rad8 25. Qh3 d6 26. exd6 Nxd6 27. Rg4 Nf5 28. Rge4 Rd2 29. g4 Ne7 30. Qf3 Red8 31. Qg3 Rd1 32. R4e2 R8d3 33. Be3 Rxe1+ 34. Rxe1 Rxc3 35. g5 hxg5 36. Qxg5 Nf5 37. Rd1 Rc8 38. Kh2 Nxe3 39. Qxe3 Qe7 40. Qg3 Qxb4 41. Rg1 Qc3 42. Qg5 Rc5 43. Qg4 Qe5+ 44. Kh1 Rc4 45. Qh3 Qe4+ 0-1

[Event "Medellin Amateur op"]
[Site "Medellin"]
[Date "2011.04.23"]
[Round "6.5"]
[White "Estrada, Walter"]
[Black "Valderrama Quiceno, Esteban Alberto"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1670"]
[BlackElo "1675"]
[PlyCount "66"]
[EventDate "2011.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Nf6 8. Qe2 a6 9. Rd1 Qc7 10. Bf4 Ne5 11. Bxe5 dxe5 12. Rac1 Qb8 13. Qd2 Nd7 14. Bxe6 fxe6 15. Ng5 Be7 16. Nxe6 Nf6 17. Nxg7+ Kf7 18. Nf5 Rd8 19. Qh6 Bxf5 20. exf5 Rd4 21. Ne2 Rxd1+ 22. Rxd1 Qc8 23. g4 Qc2 24. Re1 Rg8 25. h3 Qxf5 26. Ng3 Qf4 27. Qxf4 exf4 28. Nf5 Re8 29. Kg2 Bc5 30. Rc1 b6 31. Rd1 Re2 32. g5 Rxf2+ 33. Kh1 Ne4 0-1

[Event "Pan American-chT Interclubes"]
[Site "Caioba"]
[Date "1993.11.??"]
[Round "5"]
[White "Estrada, Walter"]
[Black "Clavijo, Jorge Mario"]
[Result "1/2-1/2"]
[ECO "B76"]
[BlackElo "2325"]
[PlyCount "69"]
[EventDate "1993.11.29"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Club Nacional de Futbol"]
[BlackTeam "Seguros Bolivar"]
[WhiteTeamCountry "URU"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. h4 Rfc8 13. g4 Qa5 14. Nd5 Qxd2 15. Nxf6+ Bxf6 16. Rxd2 Bxd4 17. Rxd4 h6 18. Be2 g5 19. Rdd1 Kg7 20. Rh2 Kf6 21. hxg5+ hxg5 22. Rh5 Rh8 23. Rdh1 Rxh5 24. Rxh5 Rg8 25. Kc1 Ke5 26. Kd2 Kf4 27. c4 a6 28. Rh1 Rb8 29. a4 Ke5 30. Ke3 Rc8 31. b3 b5 32. axb5 axb5 33. Rh5 bxc4 34. Bxc4 Bxc4 35. Rxg5+ 1/2-1/2

[Event "Pan American-chT Interclubes"]
[Site "Caioba"]
[Date "1993.11.??"]
[Round "1"]
[White "Perdomo, Carlos Andres"]
[Black "Estrada, Walter"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2270"]
[PlyCount "93"]
[EventDate "1993.11.29"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Seguros Bolivar"]
[BlackTeam "Sanitarios Copiapo"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "CHI"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7 6. Bxc6 bxc6 7. c4 e5 8. Qd3 Nf6 9. 0-0 Be7 10. Nc3 0-0 11. b3 Ba6 12. Re1 Rad8 13. Bb2 Rfe8 14. Rad1 Qc7 15. Qb1 Bc8 16. Rd2 Bf8 17. Qd1 g6 18. Rd3 Ba6 19. Nd2 Bg7 20. Nf1 Nh5 21. Ba3 Bf8 22. Ne3 Nf4 23. Rd2 h5 24. b4 Bb7 25. Qb3 Ne6 26. Ne2 Rd7 27. Red1 Red8 28. Qb1 a5 29. b5 cxb5 30. cxb5 Nc5 31. Nc3 Kg7 32. Ncd5 Bxd5 33. Nxd5 Qb7 34. f3 Ne6 35. b6 Rb8 36. Qb5 Ra8 37. Rc1 Nd4 38. Qa4 Kh8 39. Rb2 Ne6 40. Rc4 Nc5 41. Bxc5 dxc5 42. Rb5 Rxd5 43. exd5 Qxd5 44. Rb1 Bh6 45. Qb3 Be3+ 46. Qxe3 Qxc4 47. b7 1-0

