[Event "Online Olym Disabilities"]
[Site "Tornelo INT"]
[Date "2020.11.25"]
[Round "5.27"]
[White "Boke, Ivini"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "C41"]
[BlackElo "1192"]
[PlyCount "37"]
[EventDate "2020.11.21"]
[EventType "team-swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Kenya"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "KEN"]
[BlackTeamCountry "NCA"]

1. e4 e5 2. Nf3 d6 3. Nc3 c6 4. d4 Be7 5. dxe5 h6 6. Bc4 h5 7. Qe2 a6 8. 0-0 h4 9. Rd1 h3 10. exd6 Qxd6 11. Rxd6 Bxd6 12. Ng5 hxg2 13. e5 Be7 14. Nxf7 Rh4 15. Nd6+ Kd8 16. Bxg8 Bg4 17. Qc4 Bh5 18. Qe6 Nd7 19. Nxb7+ 1-0

[Event "Managua Gomez Argenal Memorial 19th"]
[Site "Managua"]
[Date "2019.06.09"]
[Round "6"]
[White "Delgado, Eliseo"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1557"]
[BlackElo "1212"]
[PlyCount "13"]
[EventDate "2019.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Bb4+ 3. c3 Bc5 4. Nf3 Nc6 5. Qd5 Qe7 6. Bg5 Qe6 7. Qxc5 1-0

[Event "Managua Gomez Argenal Memorial 19th"]
[Site "Managua"]
[Date "2019.06.09"]
[Round "5"]
[White "Guillen, Donald"]
[Black "Salinas Barrera, Jovani Enrique"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1212"]
[BlackElo "1595"]
[PlyCount "92"]
[EventDate "2019.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. h3 Nf6 3. Nc3 Bf5 4. Bf4 a6 5. e3 e6 6. Bd3 Ne4 7. Nxe4 dxe4 8. Be2 Bb4+ 9. c3 Bd6 10. Bg3 Bxg3 11. fxg3 0-0 12. Bg4 Bg6 13. h4 f5 14. Bh5 Qd6 15. Rh3 Rf6 16. Qd2 b5 17. 0-0-0 Nd7 18. Bxg6 Rxg6 19. Rf1 Rxg3 20. Rxg3 Qxg3 21. h5 Nf6 22. h6 gxh6 23. Qf2 Qxf2 24. Rxf2 Ng4 25. Rf4 Nxe3 26. g3 Kf7 27. Ne2 Rg8 28. b3 h5 29. Kb2 Rg4 30. Rf2 Nd5 31. c4 Nb4 32. Rh2 Rg5 33. cxb5 axb5 34. Ka3 Nc2+ 35. Kb2 Ne1 36. a4 bxa4 37. bxa4 Nd3+ 38. Kb3 c5 39. Kc4 cxd4 40. Kxd4 Nb2 41. a5 Nd3 42. a6 Rg8 43. Rxh5 e5+ 44. Kc3 Kg6 45. Rxf5 Kxf5 46. Kc4 Ra8 0-1

[Event "Managua Gomez Argenal Memorial 19th"]
[Site "Managua"]
[Date "2019.06.08"]
[Round "4"]
[White "Guillen, Donald"]
[Black "Godoy Barbosa, Jaime"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1212"]
[BlackElo "1544"]
[PlyCount "80"]
[EventDate "2019.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d3 Bg7 3. c3 d6 4. h3 Nf6 5. c4 0-0 6. Na3 c5 7. Bd2 a6 8. Nc2 Nc6 9. Bc3 e5 10. a3 Nd4 11. Nxd4 exd4 12. Bd2 Nd7 13. Nf3 Ne5 14. Nxe5 dxe5 15. b4 b6 16. Rc1 f5 17. Qe2 Bb7 18. f3 Qh4+ 19. Qf2 Qxf2+ 20. Kxf2 fxe4 21. dxe4 Bxe4 22. bxc5 bxc5 23. Ke2 Bc6 24. Kf2 e4 25. Kg1 exf3 26. gxf3 Rxf3 27. Bg2 Rg3 28. Rh2 Bxg2 29. Rxg2 Rxh3 30. a4 Rf3 31. Bg5 Rf5 32. Rd1 Re8 33. Bh4 Re4 34. Bd8 Bh6 35. Kh1 Bf4 36. Rg4 Rh5+ 37. Rh4 Rxh4+ 38. Bxh4 g5 39. Bf2 Re2 40. Bg3 Bxg3 0-1

[Event "Managua Gomez Argenal Memorial 19th"]
[Site "Managua"]
[Date "2019.06.02"]
[Round "3"]
[White "Gonzalez Vanega, Henry Antonio"]
[Black "Guillen, Donald"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1212"]
[PlyCount "122"]
[EventDate "2019.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e3 a6 2. d3 d5 3. d4 Bf5 4. Bd3 e6 5. a3 Nc6 6. c3 Qd7 7. Nf3 Nf6 8. Bc2 Be4 9. Bxe4 dxe4 10. Nfd2 Bd6 11. f3 exf3 12. Nxf3 0-0-0 13. c4 Na7 14. b3 h6 15. 0-0 g6 16. e4 Nxe4 17. Re1 f5 18. Nbd2 Ng5 19. Nh4 Rhg8 20. Nf1 Nf7 21. d5 exd5 22. Qxd5 c6 23. Qd4 g5 24. Nf3 c5 25. Qd3 Rge8 26. Be3 Ne5 27. Qd2 Nxf3+ 28. gxf3 f4 29. Bf2 Nc6 30. b4 cxb4 31. Bb6 Bc7 32. Bxc7 Kxc7 33. axb4 Qxd2 34. Nxd2 Rf8 35. Ne4 Nxb4 36. Nc5 Kc6 37. Ne6 Nc2 38. Nxd8+ Rxd8 39. Re6+ Rd6 40. Rc1 Rxe6 41. Rxc2 Kc5 42. Kg2 b6 43. Kh3 h5 44. Ra2 a5 45. Rc2 Re5 46. Rc1 b5 47. cxb5+ Kxb5 48. Rb1+ Ka6 49. Rb8 Re3 50. Ra8+ Kb6 51. Kg2 Re7 52. Rh8 Re2+ 53. Kh3 g4+ 54. fxg4 Re3+ 55. Kh4 f3 56. Rh6+ Kc7 57. Rh7+ Kd6 58. Rh6+ Ke7 59. Kxh5 f2 60. g5 f1Q 61. Rg6 Qf7 0-1

[Event "Managua Gomez Argenal Memorial 19th"]
[Site "Managua"]
[Date "2019.06.02"]
[Round "2"]
[White "Guillen, Donald"]
[Black "Berrios Vanegas, Yanko Antonio"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1212"]
[BlackElo "1577"]
[PlyCount "80"]
[EventDate "2019.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. a3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nh3 h6 6. Nc3 a6 7. Nd5 d6 8. Nxf6+ Bxf6 9. Ng1 0-0 10. c3 Ne7 11. h3 c6 12. Be3 d5 13. Ba2 Be6 14. b3 d4 15. Bd2 c5 16. c4 Ng6 17. g3 Bg5 18. Nf3 Bxd2+ 19. Qxd2 b5 20. b4 Qc8 21. g4 Qc7 22. Rg1 Nf4 23. Rg3 cxb4 24. axb4 f6 25. c5 a5 26. Bxe6+ Nxe6 27. Rxa5 Rxa5 28. bxa5 Qxc5 29. Nh4 Rc8 30. Ng2 b4 31. Ke2 Qxa5 32. Ne1 Qa4 33. Kf3 b3 34. Rg1 Rc3 35. Qb2 Qc6 36. Ng2 Rxd3+ 37. Ke2 Qxe4+ 38. Ne3 Qxe3+ 39. Kf1 Nf4 40. Rg3 Rd1# 0-1

[Event "Managua Gomez Argenal Memorial 19th"]
[Site "Managua"]
[Date "2019.06.01"]
[Round "1"]
[White "Avalos, Carlos"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1831"]
[BlackElo "1212"]
[PlyCount "79"]
[EventDate "2019.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. e3 a6 4. b3 Bf5 5. a3 Nf6 6. Bb2 e6 7. Nh4 Bg4 8. Nf3 Bd6 9. Be2 Ne4 10. Nbd2 Qe7 11. Ne5 Nxe5 12. dxe5 Bxe2 13. Qxe2 Bc5 14. Nxe4 Ba7 15. Nd2 Qd7 16. 0-0 Qb5 17. c4 dxc4 18. Qxc4 Qxc4 19. Nxc4 0-0 20. Rfd1 Rab8 21. Rd7 Rbc8 22. Rad1 b5 23. Na5 Bb6 24. Nc6 g6 25. Ne7+ Kg7 26. Nxc8 Rxc8 27. Rd8 Rxd8 28. Rxd8 c5 29. Ra8 a5 30. Rb8 Bc7 31. Rxb5 Kh6 32. Rxc5 Bd8 33. Bd4 Kg5 34. Rc8 Be7 35. Bc5 a4 36. Bxe7+ Kf5 37. bxa4 Kxe5 38. a5 f5 39. f3 g5 40. Rc5# 1-0

[Event "NCA-ch op"]
[Site "Managua"]
[Date "2017.09.03"]
[Round "2"]
[White "Guillen, Donald"]
[Black "Leon Sandoval, Johan"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "1737"]
[PlyCount "54"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Be3 c5 4. c3 cxd4 5. Bxd4 Nf6 6. Be2 Nc6 7. e5 Ng8 8. f4 Nxd4 9. Qxd4 Nh6 10. c4 d6 11. Qc3 dxe5 12. fxe5 Qc7 13. Nf3 Bg4 14. 0-0 Bxf3 15. Qxf3 Bxe5 16. Nc3 0-0 17. g3 Nf5 18. Kg2 Nd4 19. Qe4 e6 20. Bd3 Rad8 21. Rad1 Bg7 22. b3 Nf5 23. Ne2 Qb6 24. Bc2 Ne3+ 25. Kh3 Rxd1 26. Bxd1 Nxf1 27. Nd4 Bxd4 0-1

[Event "NCA-ch op"]
[Site "Managua"]
[Date "2017.09.02"]
[Round "1"]
[White "Mejia, Donaldo"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1896"]
[PlyCount "67"]
[EventDate "2017.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 dxe4 3. Nxe4 Bf5 4. Ng3 Be6 5. d4 c6 6. Nf3 h6 7. Bd3 g6 8. Be3 Nf6 9. Qd2 Nbd7 10. 0-0-0 Ng4 11. Rhe1 Bxa2 12. b3 Qb6 13. Kb2 Bxb3 14. cxb3 0-0-0 15. Ra1 a6 16. Rec1 Nxe3 17. fxe3 e6 18. Ra5 Bb4 19. Qe2 Bxa5 20. Ne4 Nb8 21. Ne5 f5 22. Nc5 Rh7 23. Bc4 Kc7 24. Nxe6+ Kd6 25. Nxd8 Qxd8 26. Nf7+ Rxf7 27. Bxf7 Nd7 28. Qc4 Qe7 29. b4 Bb6 30. Qb3 g5 31. d5 Qf6+ 32. Rc3 Kc7 33. Be6 Bd4 34. exd4 1-0

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2017.07.30"]
[Round "8"]
[White "Mocada Rodriguez, Axell Enrique"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "77"]
[EventDate "2017.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Qe7 5. d3 Nd4 6. 0-0 Nxf3+ 7. Qxf3 h6 8. Be3 b6 9. Nd5 Qd6 10. Nxf6+ Qxf6 11. Qxf6 gxf6 12. f4 Bb7 13. fxe5 0-0-0 14. Rxf6 h5 15. Bg5 h4 16. Bxf7 Be7 17. Rf5 Bxg5 18. Rxg5 h3 19. e6 dxe6 20. Bxe6+ Kb8 21. Bxh3 Bc8 22. Bxc8 Kxc8 23. Rf1 Rde8 24. Rff5 a5 25. Re5 Ref8 26. Rg7 Kb7 27. Ree7 Rc8 28. Kf2 Rhf8+ 29. Ke3 Rf1 30. h4 Rb1 31. b3 Rb2 32. Kd2 Rxa2 33. g4 Ra1 34. h5 Rg1 35. h6 Rh8 36. Rxc7+ Ka6 37. c4 Rg2+ 38. Kc3 b5 39. Rg6# 1-0

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2017.07.23"]
[Round "6"]
[White "Guillen, Donald"]
[Black "Tamaris Zavala, Octavio Jose"]
[Result "0-1"]
[ECO "C20"]
[PlyCount "32"]
[EventDate "2017.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. c4 Nf6 3. Bd3 Nc6 4. Nc3 Bc5 5. Qe2 d6 6. h3 Nd4 7. Qf1 0-0 8. Nf3 Ne6 9. Nd5 Nxd5 10. cxd5 Nf4 11. Bc4 Rb8 12. d3 b5 13. Bb3 Ba6 14. Bc2 b4 15. Bb3 Nxd3+ 16. Qxd3 Bxd3 0-1

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2017.07.23"]
[Round "5"]
[White "Rivas Lopez, Hansell Josue"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "42"]
[EventDate "2017.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Bc5 4. 0-0 0-0 5. d3 d6 6. Bg5 Bg4 7. Nc3 c6 8. h3 Bh5 9. g4 Bg6 10. Nh4 Nbd7 11. Kh1 Qe8 12. Qd2 d5 13. exd5 cxd5 14. Nxd5 Nb6 15. Nxf6+ gxf6 16. Bxf6 Nxc4 17. Qh6 Qc6+ 18. Kg1 Qxf6 19. dxc4 Qf4 20. Qxf4 exf4 21. Nxg6 fxg6 1-0

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2017.07.20"]
[Round "4"]
[White "Guillen, Donald"]
[Black "Pichardo, Carlos"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1765"]
[PlyCount "58"]
[EventDate "2017.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. Nf3 Nf6 4. Ne5 c6 5. a3 Bd6 6. Bf4 0-0 7. Qd2 Qc7 8. b4 a5 9. Na2 Ne4 10. Qe3 axb4 11. g3 Rxa3 12. Nd3 Na6 13. Bg2 Nc3 14. 0-0 Bxf4 15. gxf4 Rxa2 16. Qd2 Qa5 17. Rfe1 Rxa1 18. Nxb4 Rxe1+ 19. Qxe1 Qxb4 20. e3 Bd7 21. h3 c5 22. dxc5 Bb5 23. Kh2 Nxc5 24. h4 Ra8 25. Qd2 Ra2 26. Qd4 Qa3 27. Qe5 Nd7 28. Qc7 Rxc2 29. Kg3 Ne2+ 0-1

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2017.07.16"]
[Round "2"]
[White "Castillo, Vladimir"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1684"]
[PlyCount "63"]
[EventDate "2017.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nc6 3. Bf4 Bf5 4. c3 e6 5. e3 Bd6 6. Bg3 a6 7. Bd3 Nge7 8. Qe2 b5 9. Nbd2 Na5 10. e4 dxe4 11. Nxe4 Bxg3 12. Nxg3 Bxd3 13. Qxd3 Qd7 14. Ne5 Qd5 15. 0-0 0-0-0 16. Nxf7 Rhf8 17. Nxd8 Rxd8 18. Qxh7 Nac6 19. Qxg7 Kb7 20. Qg4 Nf5 21. Qe4 Nxg3 22. Qxd5 exd5 23. fxg3 Ne7 24. Rf7 Rd7 25. Re1 Kc6 26. Rfxe7 Rd6 27. R7e6 Kd7 28. Rxd6+ cxd6 29. h4 a5 30. h5 b4 31. h6 bxc3 32. bxc3 1-0

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2017.07.16"]
[Round "3"]
[White "Guillen, Donald"]
[Black "Venerio Reyes, Isaias Ivan"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "31"]
[EventDate "2017.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. h3 Nf6 3. Nc3 Nc6 4. e3 Bf5 5. Bd3 Be6 6. e4 g6 7. Nf3 Bg7 8. Bf4 0-0 9. 0-0 Nxd4 10. Nxd4 Nxe4 11. Nxe4 Bxd4 12. Be3 f5 13. Ng5 Rf6 14. Bxd4 Rc8 15. Bxf6 exf6 16. Nxe6 1-0

[Event "Managua Gomez Argenal Memorial"]
[Site "Managua"]
[Date "2017.06.18"]
[Round "9"]
[White "Guillen, Donald"]
[Black "Acevedo Martinez, Jonh Jairo"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "86"]
[EventDate "2017.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 e5 3. d3 d5 4. e4 Nf6 5. Nc3 Bc5 6. Qe2 0-0 7. Bg2 Re8 8. Be3 Bxe3 9. fxe3 d4 10. Nb5 a6 11. Na3 dxe3 12. 0-0 Qd6 13. b3 Qxa3 14. c3 Qd6 15. Qxe3 Ng4 16. Qd2 Re6 17. Nh4 Rf6 18. Kh1 Ne7 19. Nf5 Nxf5 20. exf5 Bxf5 21. Be4 Bxe4+ 22. Kg1 Qc5+ 23. d4 exd4 24. cxd4 Qd5 25. Rf4 Rxf4 26. gxf4 Re8 27. Re1 Re6 28. Kf1 Rf6 29. Re2 Qd6 30. Ke1 Rxf4 31. h3 Nf6 32. Kd1 Rf1+ 33. Re1 Bf3+ 34. Kc2 Be4+ 35. Kb2 Rxe1 36. Qxe1 Qf4 37. Qc3 c6 38. a4 Qf5 39. Ka3 Nd5 40. Qg3 g6 41. Qb8+ Kg7 42. Qxb7 Qf1 43. Qxc6 Qa1# 0-1

[Event "Managua Gomez Argenal Memorial"]
[Site "Managua"]
[Date "2017.06.18"]
[Round "8"]
[White "Guillen, Donald"]
[Black "Vasquez, Jose Luis"]
[Result "0-1"]
[ECO "A80"]
[BlackElo "1847"]
[PlyCount "20"]
[EventDate "2017.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. e3 Nf6 3. Be2 d5 4. h3 Nbd7 5. f4 Ne4 6. Nc3 Ndf6 7. Nxe4 Nxe4 8. b3 e5 9. fxe5 Qh4+ 10. Kf1 Qf2# 0-1

[Event "Managua Gomez Argenal Memorial"]
[Site "Managua"]
[Date "2017.06.17"]
[Round "7"]
[White "Moraga, Maria"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1726"]
[PlyCount "41"]
[EventDate "2017.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 a6 4. dxe5 Nc6 5. exd6 Bxd6 6. Nc3 Be6 7. Bd3 f6 8. 0-0 Nge7 9. Re1 Qd7 10. a3 0-0-0 11. b4 g5 12. Be3 Nb8 13. Rb1 b6 14. Qe2 c5 15. bxc5 Bxc5 16. Bxc5 b5 17. Nxb5 axb5 18. Bxb5 Nec6 19. Ba6+ Nxa6 20. Qxa6+ Kc7 21. Qb7# 1-0

[Event "Managua Gomez Argenal Memorial"]
[Site "Managua"]
[Date "2017.06.10"]
[Round "4"]
[White "Lopez Lopez, Manuel"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1359"]
[PlyCount "65"]
[EventDate "2017.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Qe7 3. Nf3 Nc6 4. 0-0 g6 5. Nc3 Nf6 6. d3 d6 7. Bg5 Bg7 8. Bb5 0-0 9. Nd5 Qe6 10. Nxc7 Qe7 11. Nxa8 Bd7 12. Nb6 axb6 13. c3 h6 14. Be3 Nh7 15. Bxb6 Ng5 16. Be3 Bg4 17. Bxg5 hxg5 18. h3 Bh5 19. g4 Na7 20. Bc4 Kh7 21. gxh5 gxh5 22. Kh1 g4 23. Nh2 gxh3 24. Qxh5+ Bh6 25. Qxh3 Qg5 26. Rg1 Qf6 27. Ng4 Qg5 28. Nxh6 Qxh6 29. Rg3 Rg8 30. Qxh6+ Kxh6 31. Rxg8 Nc6 32. Kg2 Ne7 33. Rh1# 1-0

[Event "Managua Gomez Argenal Memorial"]
[Site "Managua"]
[Date "2017.06.04"]
[Round "3"]
[White "Guillen, Donald"]
[Black "Salinas Barrera, Jovani Enrique"]
[Result "0-1"]
[ECO "C26"]
[BlackElo "1591"]
[PlyCount "48"]
[EventDate "2017.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nc3 e5 2. a3 Nf6 3. e4 Bc5 4. Nf3 d6 5. Bc4 h6 6. d3 Ng4 7. Qe2 Bxf2+ 8. Kf1 Bb6 9. h3 Nf6 10. Be3 c5 11. Nd5 Nxd5 12. Bxd5 0-0 13. g4 Nc6 14. c3 Be6 15. Bxc6 bxc6 16. c4 Bxg4 17. Qg2 d5 18. Nd2 dxc4 19. Kg1 Qxd3 20. Re1 c3 21. bxc3 c4 22. Kh2 Bxe3 23. Rhf1 Bxd2 24. Re2 Bf4+ 0-1

[Event "Managua Gomez Argenal Memorial"]
[Site "Managua"]
[Date "2017.06.04"]
[Round "2"]
[White "Matamoros, Jorge"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1722"]
[PlyCount "61"]
[EventDate "2017.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 g6 4. Nf3 h6 5. Nc3 Nf6 6. Bd3 Bf5 7. Bxf5 gxf5 8. Ne5 Rh7 9. Qc2 e6 10. c5 Ne4 11. Nxe4 fxe4 12. f3 Rg7 13. fxe4 Nd7 14. Nxd7 Qxd7 15. e5 0-0-0 16. Qf2 Be7 17. Bd2 Rdg8 18. g3 Kb8 19. 0-0-0 Bg5 20. Kb1 h5 21. Rhf1 Rf8 22. h4 Bxe3 23. Bxe3 Rfg8 24. Bf4 a6 25. Rd3 Ka7 26. Rb3 Rb8 27. Rb6 Rbg8 28. Qe2 Kb8 29. Rf3 Qc7 30. Ra3 Kc8 31. Qxh5 1-0

[Event "Managua Gomez Argenal Memorial"]
[Site "Managua"]
[Date "2017.06.03"]
[Round "1"]
[White "Guillen, Donald"]
[Black "Sequeira, Randall Danilo"]
[Result "0-1"]
[ECO "A15"]
[BlackElo "1619"]
[PlyCount "84"]
[EventDate "2017.06.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. h3 b6 3. Nc3 Bb7 4. Nf3 e6 5. a3 Be7 6. d3 0-0 7. e4 d6 8. Qe2 e5 9. g3 Nbd7 10. b4 a5 11. bxa5 Rxa5 12. Be3 Nc5 13. Bxc5 bxc5 14. a4 Bc6 15. Bg2 Qa8 16. Qc2 Nd7 17. 0-0 Nb6 18. Nd5 Bxd5 19. exd5 Rxa4 20. Rab1 e4 21. dxe4 Rxc4 22. Qd3 Ra4 23. Nd2 Bf6 24. Rfc1 Ra3 25. Rb3 Rxb3 26. Qxb3 Rb8 27. Qd3 Nd7 28. Bf1 Ne5 29. Qa6 Qxa6 30. Bxa6 Kf8 31. Kg2 Rb2 32. Nf3 Nxf3 33. Kxf3 Bd4 34. Rf1 Ke7 35. h4 Kd7 36. g4 c6 37. dxc6+ Kxc6 38. Be2 d5 39. exd5+ Kxd5 40. Rd1 c4 41. Bxc4+ Kxc4 42. h5 Rxf2+ 0-1

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2016.07.31"]
[Round "9"]
[White "Guillen, Donald"]
[Black "Tamaris Zavala, Octavio Jose"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "35"]
[EventDate "2016.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d3 e6 3. f4 Bb4+ 4. c3 Qe7 5. Qf3 Nc6 6. Ne2 b6 7. Nd2 Ba6 8. Ng3 Qd6 9. Be2 0-0-0 10. 0-0 Bc5+ 11. Kh1 Nf6 12. e5 Qd5 13. Qxd5 exd5 14. exf6 Be3 15. Nf3 Bxc1 16. Raxc1 Rhe8 17. Rfe1 h6 18. b3 1-0

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2016.07.24"]
[Round "6"]
[White "Guillen, Donald"]
[Black "Lopez Lopez, Manuel"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1342"]
[PlyCount "53"]
[EventDate "2016.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c3 e5 2. d3 Nf6 3. Nf3 Nc6 4. Be3 d5 5. g3 Bf5 6. Bg2 Be7 7. a3 Ng4 8. 0-0 Nxe3 9. fxe3 Qd7 10. e4 dxe4 11. dxe4 Qxd1 12. Rxd1 Bxe4 13. Nbd2 Bf5 14. b4 0-0 15. Nc4 f6 16. Ra2 Be6 17. Rad2 Bxc4 18. e4 b5 19. Bh3 a5 20. Bd7 Nb8 21. Ra1 axb4 22. cxb4 Rd8 23. Rad1 Bb3 24. Bxb5 Bxd1 25. Bc6 Nxc6 26. Kf1 Bxf3 27. Rxd8+ 0-1

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2016.07.24"]
[Round "5"]
[White "Ruiz Treminio, Bismark"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "31"]
[EventDate "2016.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. Bd3 Nf6 3. f3 Be6 4. b3 Nc6 5. Bb2 Nb4 6. Qe2 d4 7. Bc4 Qd7 8. Bxe6 Qxe6 9. c3 Nc2+ 10. Kf1 Nxa1 11. Qb5+ Qc6 12. Qxc6+ bxc6 13. Bxa1 c5 14. cxd4 e6 15. d5 exd5 16. exd5 1-0

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2016.07.17"]
[Round "2"]
[White "Allen Montes, Charles Mijail"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1440"]
[PlyCount "37"]
[EventDate "2016.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. e3 a6 3. c4 e6 4. Nf3 Nf6 5. Nc3 Be7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 Nbd7 10. e4 0-0 11. Be3 Rc8 12. Rc1 c5 13. a3 c4 14. Be2 Nxe4 15. Nxe4 Bxe4 16. Bf4 Nf6 17. h3 Nd5 18. g3 Nxf4 19. gxf4 1-0

[Event "Managua Ramirez de Arellano Memorial"]
[Site "Managua"]
[Date "2016.07.16"]
[Round "1"]
[White "Garcia, Antonio1111"]
[Black "Guillen, Donald"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1921"]
[PlyCount "57"]
[EventDate "2016.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 b6 3. c4 Bg7 4. Nc3 c6 5. f4 Na6 6. Nf3 f6 7. Be3 Bb7 8. Be2 Qc7 9. 0-0 0-0-0 10. a3 d6 11. b4 Kb8 12. Qb3 e6 13. b5 Ne7 14. bxa6 Bxa6 15. a4 Qb7 16. a5 b5 17. cxb5 cxb5 18. Bxb5 Ka8 19. Rfb1 Rb8 20. Qxe6 Bxb5 21. Rxb5 Qc6 22. Rxb8+ Rxb8 23. Rc1 Ng8 24. Nd5 Qb5 25. Nc7+ Kb7 26. Nxb5 Ka6 27. Nxd6 f5 28. Qc4+ Rb5 29. Qxb5# 1-0

