[Event "Managua Grand Prix 12th"]
[Site "Managua"]
[Date "2011.04.18"]
[Round "5.13"]
[White "Bertrand, Yader"]
[Black "Sanchez, Eneo"]
[Result "0-1"]
[ECO "B62"]
[BlackElo "1966"]
[PlyCount "60"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. Bc4 Nf6 5. d4 cxd4 6. Nxd4 e6 7. Bg5 Be7 8. Bb5 Bd7 9. f4 a6 10. Be2 Qc7 11. Bf3 Rc8 12. 0-0 Qb6 13. Na4 Qxd4+ 14. Qxd4 Nxd4 15. Nb6 Nxf3+ 16. Rxf3 Rxc2 17. e5 dxe5 18. fxe5 Bc5+ 19. Kh1 Nd5 20. Nxd7 Kxd7 21. Rxf7+ Be7 22. Rxg7 Rf8 23. Rd1 Ke8 24. Bf6 Nxf6 25. exf6 Rxf6 26. h3 Rf7 27. Rg4 Rxb2 28. Rc1 Bd6 29. Kg1 Ke7 30. Rc8 Rb1+ 0-1

[Event "Managua Grand Prix 12th"]
[Site "Managua"]
[Date "2011.04.18"]
[Round "6.16"]
[White "Pichardo, Carlos"]
[Black "Bertrand, Yader"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1851"]
[PlyCount "68"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. g3 g6 5. Bg2 Bg7 6. 0-0 dxc4 7. e3 a6 8. a4 Na5 9. Nbd2 c6 10. Qc2 b5 11. axb5 cxb5 12. Ne5 Bb7 13. b3 Bxg2 14. Kxg2 Bxe5 15. dxe5 Qd5+ 16. Kg1 Nxb3 17. Nxb3 cxb3 18. Qc7 Ne7 19. Ba3 Qd8 20. Qb7 Rb8 21. Qxa6 0-0 22. Rfd1 Qc7 23. Rac1 Qb7 24. Qa5 b4 25. Bb2 Nd5 26. Qa4 Nc3 27. Bxc3 bxc3 28. Rxc3 b2 29. Rb1 Ra8 30. Qc2 Ra1 31. h3 Rfa8 32. Kh2 Rxb1 33. Qxb1 Ra1 34. Qd3 Qh1# 0-1

[Event "Managua Grand Prix 12th"]
[Site "Managua"]
[Date "2011.04.17"]
[Round "3.23"]
[White "Bertrand, Yader"]
[Black "Galan, Daniela"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "17"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. Bc4 Nge7 5. dxe5 Ng6 6. exf6 Qxf6 7. c3 d6 8. Bg5 Nf4 9. Bxf6 1-0

[Event "Managua Grand Prix 12th"]
[Site "Managua"]
[Date "2011.04.17"]
[Round "4.22"]
[White "Lopez Valdivia, Carol Esther"]
[Black "Bertrand, Yader"]
[Result "0-1"]
[ECO "C79"]
[PlyCount "51"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NCA"]
[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 d6 6. 0-0 Bg4 7. Bg5 Be7 8. h3 Bh5 9. Nbd2 h6 10. Bh4 g5 11. g4 Bxg4 12. hxg4 gxh4 13. d4 b5 14. d5 Na7 15. Bb3 Qd7 16. Kh1 Qxg4 17. Nh2 Qxd1 18. Raxd1 0-0-0 19. Rg1 Nh5 20. Ndf3 Rhf8 21. Rg4 f5 22. exf5 Rxf5 23. Nxh4 Rf7 24. Ng6 Rh7 25. Nxe7+ Rxe7 26. Rg8 0-1

[Event "Managua Grand Prix 12th"]
[Site "Managua"]
[Date "2011.04.17"]
[Round "2.15"]
[White "Montesinos, Jorge"]
[Black "Bertrand, Yader"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2014"]
[PlyCount "57"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Nbd2 c5 4. e3 Nc6 5. a3 d5 6. dxc5 Bxc5 7. b4 Bb6 8. Bb2 a6 9. Bd3 e5 10. Nxe5 d4 11. Nxc6 bxc6 12. e4 0-0 13. 0-0 c5 14. bxc5 Bxc5 15. Nb3 Bb6 16. e5 Ng4 17. h3 Nxe5 18. Bxh7+ Kxh7 19. Qh5+ Kg8 20. Qxe5 Re8 21. Qg3 Re6 22. Rad1 Rg6 23. Qf3 Bxh3 24. Qxh3 Rh6 25. Qg3 Bc7 26. f4 Kh7 27. Bxd4 Rg6 28. Qh3+ Kg8 29. Bxg7 1-0

[Event "Managua Grand Prix 12th"]
[Site "Managua"]
[Date "2011.04.16"]
[Round "1.11"]
[White "Bertrand, Yader"]
[Black "Carranza Narvaez, Sergio Ivan"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "2069"]
[PlyCount "92"]
[EventDate "2011.04.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NCA"]
[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. Nc3 d6 5. d4 Bg4 6. Be2 Bxf3 7. Bxf3 Nxd4 8. Be3 Nxf3+ 9. Qxf3 Nf6 10. 0-0-0 Qd7 11. Nd5 Nxd5 12. exd5 f5 13. g3 Bf6 14. Qe2 a5 15. h3 0-0 16. f4 exf4 17. Bxf4 Qa4 18. Kb1 Qb4 19. Bc1 a4 20. a3 Qb6 21. g4 f4 22. Rhf1 Be5 23. Rf3 c6 24. Qc4 Kh8 25. h4 cxd5 26. Rxd5 Qg1 27. Rd2 Qxg4 28. Rdf2 Qg1 29. Qb4 h6 30. Rf1 Qg4 31. Bxf4 Bxf4 32. Rxf4 Rxf4 33. Rxf4 Qd1+ 34. Ka2 Qd5+ 35. Kb1 Re8 36. Rd4 Re1+ 37. Qxe1 Qxd4 38. c3 Qe5 39. Qf2 b5 40. Kc1 h5 41. Kd2 Kh7 42. Qe3 Qh2+ 43. Kc1 Qxh4 44. Qd3+ Kh6 45. Qxd6+ Qf6 46. Qd2+ Qg5 0-1

