[Event "Pucallpa op 1st"]
[Site "Pucallpa"]
[Date "2020.03.01"]
[Round "4"]
[White "Flores Vasquez, Abner"]
[Black "Maravi Contreras, David Edson"]
[Result "0-1"]
[ECO "E87"]
[WhiteElo "1663"]
[PlyCount "130"]
[EventDate "2020.02.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Na6 8. Qd2 Ne8 9. g4 Qh4+ 10. Bf2 Qh6 11. g5 Qh5 12. Be2 f6 13. h4 fxg5 14. Nh3 g4 15. fxg4 Bxg4 16. Bxg4 Qxg4 17. Qe2 Qxe2+ 18. Kxe2 Nf6 19. Rhg1 Nh5 20. Be3 Nb4 21. Rac1 Nf4+ 22. Bxf4 exf4 23. Ng5 Bd4 24. Rgf1 Be3 25. Rcd1 Nc2 26. Nb5 Rac8 27. Ne6 Rf7 28. a3 a6 29. Nc3 Ba7 30. Rxf4 Rxf4 31. Nxf4 Ne3 32. Rg1 Nxc4 33. Rg2 Ne5 34. h5 Kf7 35. hxg6+ hxg6 36. b3 Rh8 37. Ne6 c6 38. Nd1 Rh4 39. Nf2 Ke7 40. Ng5 b5 41. a4 Rf4 42. dxc6 Nxc6 43. Nf3 Nd4+ 44. Nxd4 Bxd4 45. Nh3 Rxe4+ 46. Kd3 Re3+ 47. Kxd4 Rxh3 48. axb5 axb5 49. b4 Rh4+ 50. Kd5 Rh5+ 51. Kc6 Kf6 52. Kxd6 Rf5 53. Kc6 g5 54. Rg1 Kg6 55. Kd6 Kh5 56. Rh1+ Kg4 57. Rg1+ Kf4 58. Ke6 Re5+ 59. Kf6 Re4 60. Rxg5 Rxb4 61. Rh5 Rb1 62. Rh2 b4 63. Ke6 b3 64. Kd5 b2 65. Rd2 Ke3 0-1

[Event "Pucallpa op 1st"]
[Site "Pucallpa"]
[Date "2020.03.01"]
[Round "5"]
[White "Maravi Contreras, David Edson"]
[Black "Pinero Rodriguez, Carlos Jose"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2279"]
[PlyCount "70"]
[EventDate "2020.02.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Bd2 Nf6 8. f3 Nc6 9. Nxc6 dxc6 10. a3 Bd6 11. g3 b5 12. Bg2 Bb7 13. 0-0 h5 14. f4 Bc5+ 15. Kh1 h4 16. g4 0-0-0 17. Qe2 Nxg4 18. h3 Nf6 19. b4 Nh5 20. Rf3 Bd4 21. Raf1 Ng3+ 22. Rxg3 hxg3 23. Nd1 f6 24. c3 Bb6 25. Be3 c5 26. Nb2 f5 27. e5 Rxh3+ 28. Kg1 Rh2 29. Rf3 cxb4 30. axb4 Bxe3+ 31. Qxe3 Rxg2+ 32. Kxg2 Qc6 33. Kxg3 Qxf3+ 34. Qxf3 Bxf3 35. Kxf3 Rd2 0-1

[Event "Pucallpa op 1st"]
[Site "Pucallpa"]
[Date "2020.02.29"]
[Round "3"]
[White "Maravi Contreras, David Edson"]
[Black "Perez Carpio, Edwin Gonzalo"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1496"]
[PlyCount "55"]
[EventDate "2020.02.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 Nc6 6. Be3 g6 7. h3 Bg7 8. Nf3 0-0 9. Qd2 Re8 10. 0-0-0 e5 11. d5 Na5 12. Bxb6 axb6 13. b4 e4 14. Ne1 e3 15. fxe3 Bh6 16. Nc2 Bf5 17. bxa5 Rxa5 18. Bd3 Bd7 19. Rhf1 Qa8 20. g4 Ba4 21. Ne4 Re7 22. Qb4 Bxc2 23. Qxe7 Bxe3+ 24. Rd2 Rxa2 25. Bxc2 Ra1+ 26. Bb1 Qa2 27. Qxf7+ Kh8 28. Qf8# 1-0

[Event "Pucallpa op 1st"]
[Site "Pucallpa"]
[Date "2020.02.29"]
[Round "2"]
[White "Padilla, Jorge"]
[Black "Maravi Contreras, David Edson"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1989"]
[PlyCount "106"]
[EventDate "2020.02.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "PER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 Bg7 4. Bg2 e5 5. Nf3 d6 6. 0-0 0-0 7. a3 Nc6 8. d3 Ne7 9. Rb1 Nh5 10. b4 f5 11. Qb3 c6 12. Rd1 h6 13. Bb2 Be6 14. Qc2 Rc8 15. Rd2 d5 16. Qa4 d4 17. Nd1 a6 18. c5 f4 19. Qc2 fxg3 20. hxg3 Bd5 21. Bc1 g5 22. Nb2 g4 23. Nh2 Qd7 24. Nc4 Qf5 25. e4 dxe3 26. Nxe3 Qg6 27. Bxd5+ cxd5 28. Nexg4 Nf6 29. Nxe5 Qh5 30. Bb2 Nc6 31. f4 Nxe5 32. Bxe5 Qg6 33. Rg2 Nd7 34. d4 Qxc2 35. Rxc2 Nxe5 36. dxe5 Kf7 37. Kf2 Ke6 38. Ke3 Rc6 39. Kd4 h5 40. Nf3 b6 41. Rh1 Rh8 42. Ng5+ Kf5 43. Kxd5 Rcc8 44. Ne4 Kg4 45. Rh4+ Kf3 46. Rc3+ Kg2 47. Nd6 Rc7 48. c6 Bf8 49. g4 Rg8 50. gxh5 Be7 51. Rhh3 Rg4 52. h6 Bh4 53. Nf5 Bf2 1-0

